TWI772224B - Dual-axis connecting rod, dual-axis pivot assembly and electronic device - Google Patents

Abstract

A dual-axis connecting rod, a dual-axis pivot assembly and an electronic device are disclosed. The dual-axis pivot assembly includes a first pivot shaft, a second pivot shaft, and the dual-axis connecting rod. The first pivot shaft has a first through slot extending along a first axis. The second pivot shaft has a second through slot extending along a second axis. The dual-axis connecting rod is detachably inserted into the first pivot shaft and the second pivot shaft. The dual-axis connecting rod includes a body, a first connecting rod, and a second connecting rod. The first connecting rod and the second connecting rod are arranged on the main body and corresponding to the first pivot shaft and the second pivot shaft respectively. The dual-axis pivot assembly is suitable for pivotally connecting a first module to a second module to form the electronic device.

Description

Biaxial connecting rod, biaxial pivot assembly and electronic device

The present disclosure relates to a biaxial link, a biaxial pivot assembly and an electronic device, in particular to a pivot assembly with a biaxial link and an electronic device using a detachable combination of the biaxial pivot assembly.

At present, commercially available laptops generally use a hinge structure disposed inside the casing to pivot the screen and the system, so that the screen and the system (eg, the keyboard side) can be relatively rotatably opened and closed. The rotating shaft structure is covered with a shell, so that it is enclosed inside the casing. And the rotating shaft structure is usually a single-axis design.

When consumers buy notebook computers, they can only buy notebook computers with a single design and assembly. The most common one is a design with a screen side and a system keyboard side, and the two can be opened to each other. If you want to have a keyboardless operating device with touch screens on both sides, or if you want to expand under the original single-folding notebook structure, there will be limitations, and you must purchase devices with different designs.

Or the user bought a laptop with a screen without touch function, but with the advancement of technology, if he wants to replace it with a screen with touch function, he needs to buy a new one with touch screen. laptop. What's more, if consumers want to upgrade the system performance, they cannot directly upgrade the internal parts due to the original notebook architecture, and can only replace the entire notebook.

In view of the above, in an embodiment of the present disclosure, there is provided an electronic device including a first module, a second module, and at least one biaxial pivot assembly. At least one biaxial pivot assembly pivotally connects the first module and the second module, and the at least one biaxial pivot assembly includes a first pivot shaft, a second pivot shaft and a biaxial link. The first pivot shaft is arranged on the first module, so that the first module is pivoted with the first axis. The first pivot shaft has a first through groove extending along the first axis. The second pivot shaft is disposed on the second module, so that the second module pivots around the second axis. The second pivot shaft has a second through groove extending along the second axis. The biaxial link is detachably inserted into the first pivot shaft and the second pivot shaft. The biaxial link includes a body, a first link and a second link. The first link is disposed on the body and corresponds to the first through groove of the first pivot shaft. The second link is disposed on the body and corresponds to the second through groove of the second pivot shaft.

In one embodiment of the present disclosure, there is provided a biaxial pivot assembly including a first pivot shaft, a second pivot shaft and a biaxial link. The first pivot shaft has a first through groove extending along the first axis and having a non-circular cross section. The second pivot shaft has a second through groove extending along the second axis and having a non-circular cross section. The biaxial link includes a body, a first link and a second link. The first link is arranged on the main body and is detachably inserted into the first pivot shaft, and the shape of the first link corresponds to the shape of the first through groove. The second link is arranged on the main body, and is detachably inserted into the second pivot shaft, and the shape of the second link corresponds to the shape of the second through slot.

In an embodiment of the present disclosure, a biaxial link is provided detachably inserted into the first pivot shaft and the second pivot shaft. The biaxial link includes a body, a first link and a second link. The first link is arranged on the body and correspondingly inserted into the first pivot shaft. The second link is arranged on the main body and is parallel to the first link, and is correspondingly inserted into the second pivot shaft.

To sum up, in the embodiment of the present disclosure, the biaxial link, the biaxial pivot assembly with the biaxial link, and the electronic device with the biaxial pivot assembly can be used to connect two different The modules are connected to form an electronic device for users. And the first module and the second module in the electronic device can be freely selected according to the required application, for example, a common notebook module can be formed by combining a general system with a keyboard and a screen. Or combine two tablets to use a dual-screen electronic device. What's more, connect the tablet with the speaker to form a playback device that can enhance the external playback function. Allows users to choose different modules to combine according to their needs. If any module is damaged or needs to be replaced due to old age, you can also replace only the module that needs to be replaced.

Various embodiments are provided below for detailed description. However, the embodiments are only used as examples, and do not limit the scope of protection of the present disclosure. In addition, some elements are omitted from the drawings in the embodiments to clearly show the technical features of the present disclosure. The same reference numbers will be used throughout the drawings to refer to the same or similar elements.

FIG. 1 is an exploded schematic diagram of an electronic device according to a first embodiment of the disclosure. FIG. 2 is a partial exploded schematic view of the biaxial pivot assembly according to the first embodiment. FIG. 3 is a partial enlarged schematic view of the electronic device according to the first embodiment of the disclosure. In the first embodiment, the electronic device 100 includes a first module 10 , a second module 20 and a biaxial pivot assembly 30 . As shown in FIG. 1 , in the present embodiment, the electronic device 100 is a notebook computer as an example, the first module 10 is a screen, and the second module 20 is a system with a keyboard. The biaxial pivot assembly 30 is assembled from one side of the first module 10 and the second module 20 to the first module 10 and the second module 20 to pivotally connect the first module 10 and the second module 20.

Next, referring to FIGS. 1 to 3 , the biaxial pivot assembly 30 includes a first pivot shaft 31 , a second pivot shaft 32 and a biaxial link 33 . The first pivot shaft 31 is disposed on the first module 10 to allow the first module 10 to pivot around the first axis C1 . The second pivot shaft 32 is disposed on the second module 20, so that the second module 20 pivots with the second axis C2.

The first pivot shaft 31 has a first through groove 311 extending along the first axis C1. The second pivot shaft 32 has a second through groove 321 extending along the second axis C2. The cross sections of the first through grooves 311 and the second through grooves 321 may both be non-circular. In this embodiment, the cross-sectional shapes of the first through grooves 311 and the second through grooves 321 are octagonal as an example. In other implementations, the first through-slot 311 and the second through-slot 321 may have the same shape or different shapes. As long as the shapes of the two are not circular, for example, they may be polygons such as an ellipse, a triangle, and a rhombus.

The biaxial link 33 is detachably inserted into the first pivot shaft 31 and the second pivot shaft 32 . The biaxial link 33 includes a body 331 , a first link 332 and a second link 333 . The first link 332 is disposed on the main body 331 and corresponds to the first through groove 311 of the first pivot shaft 31 . In this embodiment, the cross-sectional shape of the first link 332 corresponds to the cross-sectional shape of the first through-groove 311 . The second link 333 is disposed on the body 331 and is parallel to the first link 332 and corresponds to the second through groove 321 of the second pivot shaft 32 . In this embodiment, the cross-sectional shape of the second link 333 corresponds to the cross-sectional shape of the second through-groove 321 . It can be seen from FIG. 2 and FIG. 3 that the shapes of the first link 332 and the second link 333 are both octagons, and correspond to the cross-sectional shapes of the first through-slot 311 and the second through-slot 321 , so that the first link The 332 and the second connecting rod 333 can be inserted into the first through-slot 311 and the second through-slot 321 respectively. Since the shapes of the first through-slot 311 , the second through-slot 321 , the first link 332 and the second link 333 are all non-circular, the first link 332 does not face each other in the first through-slot 311 . During the rotational movement, the second connecting rod 333 will not generate relative rotational movement in the second through-groove 321 .

Therefore, when the biaxial pivot assembly 30 is inserted into the first module 10 and the second module 20 from one side as shown in FIG. 1 , the first module 10 can be pivotally connected to the second module A group 20 is formed, and the first module 10 and the second module 20 can be pivoted to open and close relative to each other. The electronic device 100 for the user is formed by connecting two different modules through the biaxial pivot assembly 30 , which greatly improves the user's freedom of application of the electronic device 100 . The first module 10 and the second module 20 in the electronic device 100 can be freely selected and assembled according to the required application. For example, as in this embodiment, a system with a keyboard can be combined with a screen to form a common notebook module. After using for a period of time, if any module is damaged or needs to be upgraded and replaced due to usage requirements, you can only replace the module that needs to be replaced.

Please refer to FIG. 2 and FIG. 3 at the same time, the first pivot shaft 31 further includes a first center piece 312 , a first sleeve 313 and a first fixing piece 314 . The first through groove 311 is disposed in the first center piece 312 . The axis of the first pivot shaft 31 is located at the first axis C1, that is, the axis of the first center piece 312 corresponds to the first axis C1. The first sleeve 313 is sleeved on the first center piece 312 and is rotatable relative to the first center piece 312 . The first fixing piece 314 is fixed on the first sleeve 313 and the first module 10 . When the first module 10 is operated, the first fixing piece 314 will be driven to move. The first fixing piece 314 drives the first sleeve 313 to rotate relative to the first center piece 312 , so that the first module 10 pivots about the first axis C1 .

Similarly, the second pivot shaft 32 further includes a second center piece 322 , a second sleeve 323 and a second fixing piece 324 . The second through slot 321 is disposed on the second center piece 322 . The axis of the second pivot shaft 32 is located at the second axis C2, that is, the axis of the second center piece 322 corresponds to the second axis C2. The second sleeve 323 is sleeved on the second center piece 322 and is rotatable relative to the second center piece 322 . The second fixing piece 324 is fixed on the second sleeve 323 and can follow the second sleeve 323 to act. The second fixing piece 324 is fixed on the second sleeve 323 and the second module 20 . When the second module 20 is operated, the second fixing piece 324 will be driven to act. The second fixing piece 324 drives the second sleeve 323 to rotate relative to the second center piece 322 , so that the second module 20 pivots about the second axis C2 .

Therefore, since the pivot system of the first module 10 drives the first sleeve 313 to rotate relative to the first center piece 312 through the first fixing piece 314 , the connection between the first center piece 312 and the first link 332 can be prevented. with relative rotation. Similarly, the pivot system of the second module 20 drives the second sleeve 323 to rotate relative to the second center piece 322 through the second fixing piece 324 , so that there is no space between the second center piece 322 and the second link 333 . relative rotation. Therefore, if an electrical connection is required between the first module 10 and the second module 20 to transmit signals or power, the first central piece 312 , the first connecting rod 332 , the second central piece 322 and the second The connecting rod 333 is used for assembling and connecting the lines, so as to prevent the lines from being excessively twisted during the relative rotation of the first module 10 and the second module 20 .

1 and 3 again, the first module 10 has a first mounting portion 11 extending along the first axis C1, the first mounting portion 11 includes a through hole 111 and a slot 112, and the first pivot shaft 31 is provided in the through hole 111 . The second module 20 has a second mounting portion 21 extending along the second axis C2 , the second mounting portion 21 includes a through hole 211 and a slot 212 , and the second pivot shaft 32 is disposed in the through hole 211 . As shown in FIG. 3 , the notches of the first through-slot 311 and the second through-slot 321 can be exposed through the through hole 111 and the through hole 211 , so that the first link 332 and the second link 333 can be inserted into the first link 332 and the second link 333 respectively. A through slot 311 and a second through slot 321 .

The biaxial link 33 further includes a first hook 334 , a first pressing key 335 , a second hook 336 and a second pressing key 337 . The first hook 334 is disposed on the main body 331 and includes a first hook portion 3341 . The first hook portion 3341 protrudes from the main body 331 and is adapted to be fastened to the hook 112 of the first installation portion 11 . The second hook 336 is disposed on the main body 331 and includes a second hook portion 3361 . The second hook portion 3361 protrudes from the main body 331 and is adapted to be fastened to the hook 212 of the second installation portion 21 . In this embodiment, as can be seen from FIG. 3 , the first hook 334 and the second hook 336 are respectively disposed on the outer sides of the first connecting rod 332 and the second connecting rod 333 , and are located on two opposite outer sides of the main body 331 . The first hook 334 extends parallel to the first link 332 , and the second hook 336 extends parallel to the second link 333 .

The first pressing key 335 is assembled on the main body 331 , and one end of the first pressing key 335 is exposed from the main body 331 , and the other end abuts against an end of the first hook 334 away from the first hook portion 3341 . The second pressing key 337 is assembled on the main body 331 , one end of the second pressing key 337 is exposed from the main body 331 , and the other end abuts against an end of the second hook 336 away from the second hook portion 3361 . In FIG. 3 , the drawing of the second pressing key 337 is omitted, but it can be understood that the structure and position of the second pressing key 337 are the same as and corresponding to the first pressing key 335 .

When the biaxial connecting rod 33 is assembled on the first module 10 and the second module 20 , the first hook 334 passes through the through hole 111 of the first installation portion 11 and the first hook 3341 is fastened to the first The slot 112 of the mounting portion 11 . The second hook 336 passes through the through hole 211 of the second installation portion 21 and allows the second hook 3361 to be fastened to the slot 212 of the second installation portion 21 . Here, the first hook 334 and the second hook 336 are both made of elastically deformable material. When the first hook portion 3341 and the second hook portion 3361 are to pass through the through holes 111 and 211 respectively, the After the first hook 334 and the second hook 336 are slightly elastically deformed, they enter the corresponding card slots 112 and 212 and then return to their original positions to complete the hooking. When the biaxial link 33 is to be removed to release the pivot connection between the first module 10 and the second module 20, the first pressing key 335 and the second pressing key 337 can be pressed simultaneously to make the first pressing The key 335 and the second pressing key 337 abut against the first hook 334 and the second hook 336 , so that the first hook 3341 and the second hook 3361 are separated from the slots 112 and 212 respectively, and can pass through the through hole 111 smoothly. , 211 removed.

In this way, the assembling strength between the biaxial link 33 and the first module 10 and the second module 20 can be improved, so as not to be detached during use. In addition, it can be understood that in other embodiments, a single-sided buckle structure may also be provided, for example, only the first hook 334 , the first pressing button 335 , the through hole 111 of the first installation portion 11 and the card slot 112, and perform unilateral snapping. The other side is omitted, and the effect of fixing the biaxial connecting rod 33 can also be achieved.

Also, as can be seen from FIG. 3 , the body 331 has a first side 3311 and a second side 3312 that are connected but not parallel. Here, the first side 3311 is a plane, and the second side 3312 is a semicircular arc surface connected to the first side 3311 , that is, a semicircular arc surface located on the left side in FIG. 3 . The first link 332 and the second link 333 are arranged side by side along the first side 3311 . The first push key 335 is located on the second side 3312 . In addition, the body 331 has a third side 3313 connected to the first side 3311 and away from the second side 3312 , that is, two semicircular arcs on the left and right sides of the first side 3311 respectively connecting the second side 3312 and the third side 3313 noodle. The second pressing key 337 is located on the third side 3313 . In this way, the first pressing key 335 and the second pressing key 337 are located on the left and right sides, so that the pressing operation of the user can be more convenient.

In addition, in other embodiments, the first hook 334 and the second hook 336 may also be disposed between the first link 332 and the second link 333, and the first hook 334 and the second hook The 336 series are set opposite each other. Since the through holes 111 , 211 and the locking grooves 112 and 212 are annularly arranged, even if the first locking hook 334 and the second locking hook 336 are disposed between the first connecting rod 332 and the second connecting rod 333 , they can pass through The through holes 111 and 211 are inserted to complete the snap. At this time, it can be designed to use a single pressing key to be disposed on the first side 3311 to control the actions of the first hook 334 and the second hook 336 at the same time.

Please refer to FIG. 2 and FIG. 3 at the same time, the first link 332 and the second link 333 are electrically connected, and the first module 10 and the second module 20 are electrically connected to each other through the first link 332 and the second link 333 sexual connection. As can be seen from FIG. 3 , the first link 332 has a first transmission pin 3321 , and the second link 333 has a second transmission pin 3331 . As can be seen from FIG. 2 , the first link 332 and the second link 333 are connected via a conductive element 338 . That is, the first transmission pin 3321 and the second transmission pin 3331 are both electrically connected to the conductive element 338 respectively, so that the first transmission pin 3321 and the second transmission pin 3331 are electrically connected. Depending on requirements, the conductive element 338 can also be a circuit board or the like, so that the first transmission pin 3321 and the second transmission pin 3331 form transmission pins that can have both power transmission and information transmission functions.

In the first module 10 and the second module 20 , a connector that can be electrically connected to the first transmission pin 3321 and the second transmission pin 3331 can be respectively disposed in the first through groove 311 and the second through groove 321 . . Then, the power supplies or processors in the first module 10 and the second module 20 are connected to the connectors. In this way, the first module 10 and the second module 20 are electrically connected, so that power sharing, control signal transmission or information transmission can be performed.

Next, the biaxial pivot assembly 30 can be applied to various first modules 10 and second modules 20 assembled, or how to expand to more modules. Please refer to FIG. 4 first, which is a schematic diagram of an electronic device according to a second embodiment of the disclosure. In this embodiment, the difference from the first embodiment is that both the first module 10 and the second module 20 are tablet computers, or one is a tablet computer and the other is a touch screen. In addition, two sides of the first module 10 and the second module 20 are respectively connected by a biaxial pivoting assembly 30, so as to improve the stability of the connection and the stability of the pivoting. In this way, the electronic device 100 with a larger display area for the user can be provided. Since the dual-axis pivot assembly 30 can have the power/information transmission function, the first module 10 and the second module 20 can be controlled in linkage with each other. Of course, the first module 10 and the second module 20 can also be controlled and used separately or connected through a wireless module (eg, a Bluetooth module), so as to increase the user's desire to purchase by increasing the applicability.

Please refer to FIG. 5 again. FIG. 5 is a schematic diagram of an electronic device according to a third embodiment of the disclosure. In the present embodiment, the difference from the first embodiment is that a third module 40 is further connected between the first module 10 and the second module 20 . And the first module 10 and the third module 40 are connected through two biaxial pivot assemblies 30 . The second module 20 and the third module 40 are also connected through two biaxial pivot assemblies 30 . In this way, functions desired by users of the notebook computer can be enhanced. For example, by adding the third module 40 as a speaker in this embodiment, the sound effect that the original notebook computer cannot achieve can be improved for users who like to listen to music. In other embodiments, the third module 40 can also be another control component, and some of the operation keys are arranged here. The other control element can be a touch panel type or a physical button type to suit users with different usage habits.

Please refer to FIG. 6 again. FIG. 6 is a schematic diagram of an electronic device according to a fourth embodiment of the disclosure. In this embodiment, the first module 10 is a tablet computer, and the second module 20 is a flat casing. In this way, the second module 20 can be used as a protective shell when it is relatively covered with the first module 10 . After rotating the second module 20 to an angle with the first module 10, it can also be used as a bracket.

Next, please refer to FIG. 7 , which is a schematic diagram of an electronic device according to a fifth embodiment of the disclosure. In this embodiment, as in the third embodiment, a third module 40 is further connected between the first module 10 and the second module 20 . The difference from the third embodiment is that the first module 10 can be a tablet computer or a display screen, the second module 20 can be a tablet computer or a display screen, and the third module 40 is a simple display screen or a display screen. touch screen. In addition, a bracket 50 can be connected to the third module 40 to form a display device which can be used on a desktop and has a larger display area.

To sum up, the biaxial link 33, the biaxial pivot assembly 30 with the biaxial link 33, and the electronic device 100 with the biaxial pivot assembly 30 in the embodiment of the present disclosure can combine two different The modules are connected to form the electronic device 100 available for the user. Moreover, the first module 10 and the second module 20 in the electronic device 100 can be freely selected according to the required application, for example, a common notebook module can be formed by combining a general system with a keyboard and a screen. Or combine two tablets to use a dual-screen electronic device. What's more, connect the tablet with the speaker to form a playback device that can enhance the external playback function. Allows users to choose different modules to combine according to their needs. If any module is damaged or needs to be replaced due to old age, you can also replace only the module that needs to be replaced.

100: Electronics 10: The first module 11: The first installation part 111, 211: Through hole 112,212: Card slot 20: Second module 21: Second installation part 30: Double-axis pivot assembly 31: The first pivot axis 311: The first slot 312: First Centerpiece 313: First Sleeve 314: The first fixed piece 32: Second pivot axis 321: Second slot 322: Second Centerpiece 323: Second Sleeve 324:Second fixed piece 33: Double shaft connecting rod 331: Ontology 3311: First side 3312: Second side 3313: Third side 332: First Link 3321: The first transmission pin 333: Second Link 3331: The second transmission pin 334: The first hook 3341: The first hook 335: First press key 336: Second hook 3361: Second hook 337: Second press key 338: Conductive elements 40: The third module 50: Bracket C1: The first axis C2: The second axis

1 is an exploded schematic diagram of the electronic device according to the first embodiment of the present disclosure. FIG. 2 is a partial exploded schematic view of the biaxial pivot assembly according to the first embodiment of the present disclosure. 3 is a partial enlarged schematic view of the electronic device according to the first embodiment of the present disclosure. 4 is a schematic diagram of an electronic device according to a second embodiment of the present disclosure. 5 is a schematic diagram of an electronic device according to a third embodiment of the present disclosure. 6 is a schematic diagram of an electronic device according to a fourth embodiment of the present disclosure. 7 is a schematic diagram of an electronic device according to a fifth embodiment of the present disclosure.

100: Electronics

10: The first module

11: The first installation part

20: Second module

21: Second installation part

33: Double shaft connecting rod

3311: First side

3313: Third side

337: Second press key

C1: The first axis

C2: The second axis

Claims (12)

An electronic device, comprising: a first module with a first mounting portion extending along the first axis, the first mounting portion including a through hole and a slot; a second module; and at least one The biaxial pivoting assembly is suitable for pivoting the first module and the second module, and the at least one biaxial pivoting assembly includes: a first pivot shaft disposed in the passage of the first module The first module is pivoted with a first axis, and the first pivot axis includes a first through slot extending along the first axis, a first center piece, a first sleeve and a first a fixing piece, the first sleeve is sleeved on the first center piece, the first fixing piece is fixed on the first sleeve and the first module; a second pivot shaft is arranged on the second mould set, the second module is pivoted with a second axis, the second pivot axis includes a second through slot extending along the second axis, a second center piece, a second sleeve and a A second fixing piece, the second sleeve is sleeved on the second center piece, the second fixing piece is fixed on the second sleeve and the second module; and a biaxial connecting rod is detachably inserted Set on the first pivot shaft and the second pivot shaft, the biaxial link includes: a body; a first link, set on the body and corresponding to the first through groove of the first pivot shaft; a a second link, disposed on the body and corresponding to the second through-groove of the second pivot shaft; a first hook, disposed on the main body and including a first hook part, the first hook part protruding from the main body and suitable for being fastened to the clip groove of the first installation part; and a first pressing key , which is arranged on the main body, and one end of the first pressing key is exposed on the main body, and the other end abuts against an end of the first hook away from the first hook portion. The electronic device of claim 1, wherein the second module has a second mounting portion extending along the second axis, the second mounting portion includes a through hole and a slot, the second pivot shaft is disposed in the through hole; the biaxial connecting rod further includes: a second hook disposed on the main body and including a second hook portion, the second hook portion protruding from the main body and suitable for being fastened to the first hook The slot of the two installation parts; and a second pressing key, which is arranged on the main body, and one end of the second pressing key is exposed from the main body, and the other end abuts against the second hook away from the second hook part one end. The electronic device of claim 1, wherein the first link and the second link are electrically connected, and the first module and the second module are connected to each other via the first link and the second link Electrical connection. The electronic device of claim 1, wherein the cross-section of the first through groove is non-circular, the cross-section of the second through-groove is non-circular, and the cross-sectional shape of the first link corresponds to the first link The cross-sectional shape of the through-groove and the cross-sectional shape of the second link correspond to the cross-sectional shape of the second through-groove. A biaxial pivot assembly, comprising: A first pivot shaft, including a first through groove extending along a first axis, a first center piece, a first sleeve and a first fixing piece, the first sleeve is sleeved on the first center The first fixing piece is fixed on the first sleeve and the first module; a second pivot shaft includes a second through groove extending along a second axis, a second center piece, a a second sleeve and a second fixing piece, the second sleeve is sleeved on the second center piece, the second fixing piece is fixed on the second sleeve and the second module; and a double shaft connection a rod, detachably inserted into the first pivot shaft and the second pivot shaft, the biaxial link includes; a body; a first link, disposed on the body and corresponding to the first pivot shaft a first through-slot; a second link, disposed on the body and corresponding to the second through-slot of the second pivot shaft; a first hook, disposed on the body and including a first hook, the first hook A hook portion protrudes from the main body; and a first pressing key is disposed on the main body, one end of the first pressing key is exposed from the main body, and the other end abuts against the first hook and away from the first hook portion one end. The biaxial pivot assembly according to claim 5, wherein the biaxial link further comprises: a second hook disposed on the body and including a second hook portion, the second hook portion protruding from the ontology; and A second pressing key is disposed on the main body, one end of the second pressing key is exposed from the main body, and the other end abuts against an end of the second hook away from the second hook portion. The biaxial pivot assembly as claimed in claim 5, wherein the first link and the second link are electrically connected. The biaxial pivot assembly as claimed in claim 5, wherein the cross-section of the first through groove is non-circular, the cross-section of the second through-groove is non-circular, and the cross-sectional shape of the first link corresponds to In the cross-sectional shape of the first through groove, the cross-sectional shape of the second link corresponds to the cross-sectional shape of the second through groove. A biaxial connecting rod is detachably inserted into a first pivot shaft and a second pivot shaft, the biaxial connecting rod comprises: a main body; a first connecting rod, which is arranged on the main body and correspondingly inserted in the a first pivot shaft; a second link, arranged on the body and parallel to the first link, and correspondingly inserted into the second pivot shaft; a first hook, arranged on the body and including a first a hook portion, the first hook portion protruding from the main body; and a first pressing key disposed on the main body, one end of the first pressing key is exposed from the main body, and the other end abuts against the first hook and is away from the main body One end of the first hook portion. The biaxial connecting rod according to claim 9, wherein the biaxial connecting rod further comprises: a second hook disposed on the main body and including a second hook portion, the second hook portion protruding from the main body; as well as A second pressing key is disposed on the main body, one end of the second pressing key is exposed from the main body, and the other end abuts against an end of the second hook away from the second hook portion. The biaxial link as claimed in claim 9, wherein the first link and the second link are electrically connected. The biaxial connecting rod as claimed in claim 9, wherein the cross-section of the first connecting rod is non-circular, and the cross-section of the second connecting rod is non-circular.

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