TWM634667U - Hinge - Google Patents

Abstract

A hinge includes two guide frames, a transmission assembly, a force application assembly and two rotating supports. The guide frames are oppositely arranged along a front-rear direction and spaced apart from each other. The transmission assembly is arranged between the guide frames. The force applying assembly includes two pressing plates oppositely arranged along the front-to-rear direction. The rotating brackets are reversely arranged along the front-to-back direction, and each of the rotating brackets includes an arc-shaped pivot assembly rotatably pivoted to the corresponding guide frame, and an arc-shaped pivot assembly connected to the transmission assembly for actuating the transmission assembly. The actuating part operated by the assembly is in frictional contact with the corresponding frictional surface of the pressing plate. Each of the rotating brackets is configured such that the arc-shaped pivot assembly, the actuator and the friction surface can simultaneously rotate relative to the corresponding guide frame, the transmission assembly and the corresponding pressing plate.

Description

Hinge

The present invention relates to a hinge, in particular to a co-moving hinge.

Existing foldable electronic devices with flexible screens (such as mobile phones, tablet computers, notebook computers or e-books) usually achieve the function of folding the two bodies inward through a hinge connected between the two bodies.

The existing first hinge includes a synchronous mechanism and a torsion mechanism. The synchronization mechanism and the torsion mechanism are independent structures. The synchronization mechanism mainly includes four guide frames and two rotating frames. Each of the rotating frames is pivotally connected between corresponding two of the guiding frames. The rotating frames are respectively connected with the bodies to drive the bodies to rotate synchronously. The torsion mechanism mainly includes two shaft rods, two cams sleeved on the shaft rods, and two cam frames pivotally connected to the shaft rods and respectively connected to the bodies. Cooperate with the cams through the cam frames to lock the bodies at desired positions.

The existing second type of hinge is to integrate the synchronous mechanism and the torsion mechanism. This kind of hinge mainly includes two rotating frames, two shaft rods, two cam frames pivotally connected to the shaft rods respectively, a cam plate arranged on the shaft rods and matched with the cam frames, and two A slider linkage mechanism. Each of the sliding block linkage mechanisms is connected between the corresponding rotating frame, the corresponding cam frame and the corresponding body.

However, due to the large number of components and the complex structure of the above two hinges, there are problems such as large overall volume, high manufacturing cost, high assembly cost, high inspection cost, and inconvenient control of the components.

Therefore, one object of the present invention is to provide a hinge that overcomes at least one of the disadvantages of the prior art.

Therefore, the novel hinge includes two guide frames, a transmission assembly, a force application assembly, and two rotating brackets.

The guide frames are oppositely arranged along a front-rear direction and spaced apart from each other. The transmission assembly is arranged between the guide frames. The force applying assembly includes two pressing plates oppositely arranged along the front-to-rear direction. The rotating brackets are reversely arranged along the front-to-back direction, and each of the rotating brackets includes an arc-shaped pivot assembly rotatably pivoted to the corresponding guide frame, and an arc-shaped pivot assembly connected to the transmission assembly for actuating the transmission assembly. The actuating part operated by the assembly is in frictional contact with the corresponding frictional surface of the pressing plate. Each of the rotating brackets is set so that the arc-shaped pivot assembly, the actuating member and the friction surface can simultaneously rotate relative to the corresponding guide frame, the transmission assembly and the corresponding pressing plate, so that the The rotating brackets can rotate synchronously in opposite directions through the transmission assembly.

In some implementation aspects, each of the rotating brackets is an integrally formed component made through integral molding.

In some embodiments, each of the rotating brackets includes a first frame body, a second frame body, and a connecting frame body, and the first frame body is located on the corresponding guide frame and the corresponding pressing plate and has the friction surface, the second frame is spaced from the first frame along the front-rear direction and has the actuator, the connecting frame is connected between the first frame and the second frame Between, the first frame body and the second frame body together constitute the arc pivot assembly.

In some embodiments, each of the guide frames includes an arc-shaped guide rail and an arc-shaped guide groove spaced apart along the front-rear direction, and the first frame body forms an arc slidably connected to the arc-shaped guide rail An arc-shaped sliding slot, the second frame body has an arc-shaped slide rail slidably connected to the arc-shaped guide slot, and the arc-shaped slide slot and the arc-shaped slide rail together form the arc-shaped pivot assembly.

In some embodiments, the transmission assembly includes two interlocking gear shafts pivotally connected between the guide frames and meshing with each other, and two transmission gears respectively meshing on the left and right sides of the interlocking gear shafts, The actuating member is a bow gear engaged with the corresponding transmission gear.

In some implementation aspects, each of the pressing plates has a pressing surface, and the pressing surfaces of the pressing plates respectively apply two pressures parallel to the front-rear direction and opposite in direction to the rotating brackets. and other friction surfaces, so that the pressing surfaces of the pressing plates are pressed into contact with the friction surfaces respectively.

In some embodiments, the friction surface is a cam surface and has two first latching portions that are angularly spaced apart, the pressing surface is a cam surface and has two second latching portions that are angularly spaced apart, Each of the first latching parts is used to latch on the corresponding second latching part, and each of the rotating brackets can rotate between a first angular position and a second angular position, and at the first angular position , the first latching parts are respectively latched on the second latching parts, and at the second angle position, one of the first latching parts is located above the corresponding pressing plate, and the The other one of the first latching parts is latched to the corresponding second latching part.

In some embodiments, each of the first engaging portions is one of a groove and a protrusion, and each of the second engaging portions is the other of the groove and the protrusion.

In some embodiments, the rotating brackets can rotate around two axes parallel to the front-rear direction, the axes are spaced along a left-right direction perpendicular to the front-rear direction, and the axes are spaced apart along a direction perpendicular to the front-rear direction. The direction and the up-down direction of the left-right direction are spaced above the guide frames and have the same height, and the arc-shaped pivot assembly, the actuator and the friction surface of each rotating bracket can rotate around the corresponding axis at the same time.

In some implementations, each of the pressing plates has an outer surface opposite to the pressing surface, and the force application assembly further includes two support rods, a buckle plate, and two first springs, which The support rods are spaced apart along a left-right direction perpendicular to the front-rear direction, and the axial direction of each support rod extends along the front-rear direction and has a rod body and a rod head formed at one end of the rod body. Passed through the guide frames, the transmission assembly, the corresponding rotating bracket and the pressing plates, the rod head is pressed against the outer surface of the corresponding one of the pressing plates, and the buckle plate is buckled On the rod bodies of the support rods and adjacent to one end of each rod body opposite to the rod head, each of the first springs is sleeved on the rod body of the corresponding support rod and exerts elastic force against on the outer surface of the buckle plate and the corresponding other pressing plate.

In some implementations, the force application assembly further includes a pin rod disposed on the buckle plate and between the support rods, and a second spring set on the pin rod, and the second spring applies Elastically butt against the locking plate and the corresponding outer surface of the other pressing plate.

In some embodiments, each of the rotating brackets is formed with an arc-shaped positioning groove for the body of the corresponding support rod to pass through, and the body of each of the supporting rods can be in frictional contact with the corresponding rotation bracket , each of the rotating brackets also includes a first abutment surface and a second abutment surface respectively located at opposite ends of the arc-shaped positioning groove, and each of the rotation brackets can be positioned between a first angular position and a second angular position In the first angular position, the first abutting surface abuts against the corresponding rod body, and in the second angular position, the second abutting surface abuts against the corresponding rod body.

In some implementations, each of the rotating brackets is formed with an arc-shaped positioning groove, and each of the rotating brackets further includes a first abutment surface and a second abutment surface respectively located at the opposite ends of the arc-shaped positioning groove, the application The force assembly also includes two support rods, the support rods are spaced apart along a left-right direction perpendicular to the front-rear direction, and the axial direction of each support rod extends along the front-rear direction and passes through the guide frames , the transmission assembly, the arc-shaped positioning slots of the corresponding rotating brackets and the pressing plates, each of the support rods can be in frictional contact with the corresponding rotating brackets, and each of the rotating brackets can be in a first Rotate between an angular position and a second angular position. In the first angular position, the first abutment surface abuts against the corresponding support rod. In the second angular position, the second abutment surface abuts against the corresponding support rod. Stop at the corresponding support rod.

In some embodiments, the transmission assembly includes two interlocking gear shafts that are pivotally connected between the guide frames and mesh with each other, and two interlocking gear shafts that are respectively engaged on the left and right sides of the interlocking gear shafts and can rotate respectively. The transmission gears of the supporting rods are sheathed, and the actuator is a bow gear meshed with the corresponding transmission gears.

The present invention has at least the following effects: by integrating the guide frames capable of synchronous rotation, the transmission assembly and the rotating brackets, and the rotating brackets capable of torsion and the force applying assembly, And the design method of integrating the arc-shaped pivot assembly, the actuating member, the friction surface and other elements into one integral component of each rotating bracket can greatly reduce the number of component components of the hinge, so that The components are easy to control and easy to assemble to shorten the assembly man-hour. Thereby, the volume of the hinge can be miniaturized, and the manufacturing cost, assembly cost and inspection cost of the hinge can be reduced.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numerals.

Referring to FIG. 1 and FIG. 2 , an embodiment of the novel hinge is applied to a foldable electronic device 100 . The foldable electronic device 100 may be, for example, a mobile phone, a tablet computer, an e-book or a notebook computer. The foldable electronic device 100 includes two bodies 101 , a flexible screen 102 , a carrier 103 , and two hinges 104 .

For the convenience of subsequent description, a front-back direction X, a left-right direction Y perpendicular to the front-back direction X, and an up-down direction Z perpendicular to the front-back direction X and the left-right direction Y are defined for the foldable electronic device 100 . The front and rear direction X in Fig. 1 is the direction indicated by the arrow as the front, and the reverse as the rear. The left-right direction Y in FIG. 1 means that the direction indicated by the arrow is left, and the opposite direction is right. The up and down direction Z in Fig. 1 means that the direction indicated by the arrow is up, and the opposite direction is down.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the bodies 101 are reversely arranged along the left-right direction Y and arranged side by side. Each body 101 includes a supporting board 105 . Each body 101 is formed with an inner space 106 , and an opening of the inner space 106 is located at a side of the body 101 . The flexible screen 102 is fixedly disposed on the supporting boards 105 of the bodies 101 . The carrier 103 is disposed in the inner spaces 106 of the bodies 101 . The carrier 103 forms an accommodating space 107 with an opening facing upward. The hinges 104 are oppositely arranged in the accommodating space 107 of the bearing frame 103 along the front-rear direction X and are spaced apart along the front-rear direction X. The hinges 104 are respectively fixedly connected to the bearings of the body 101 plate 105.

It should be noted that the number of hinges 104 used varies with the size of the body 101. In other implementations of this embodiment, the number of hinges 104 may be one or more than two. It is not limited to the two disclosed in this embodiment.

Referring to FIG. 4 , FIG. 5 , FIG. 6 , FIG. 7 and FIG. 8 , each of the hinges 104 includes two guide frames 1 , a transmission assembly 2 , two rotating brackets 3 , and a force applying assembly 4 . The guide frames 1 are oppositely arranged along the front-rear direction X and spaced apart from each other, and are fixed to the carrier frame 103 through screws (as shown in FIG. 3 ). Each of the guide frames 1 includes an arc-shaped guide rail 11 and an arc-shaped guide groove 12 spaced along the front-to-rear direction X. The arc-shaped guide rail 11 and the arc-shaped guide groove 12 of one of the guide frame 1 and the arc-shaped guide rail 11 and the arc-shaped guide groove 12 of the other guide frame 1 are respectively around two virtual axes A constituted by the extension. Each axis A corresponds to the center of the arc guide rail 11 and the arc guide groove 12 of the corresponding guide frame 1 . Two ends of the arc-shaped guide groove 12 respectively extend to the top surface of the guide frame 1 and are open. The isometric axes A are parallel to the front-rear direction X and are spaced apart along the left-right direction Y. The isometric axes A are spaced above the guide frames 1 along the up-down direction Z and have the same height. Each of the guide frames 1 is formed with two pivot holes 13 spaced apart along the left-right direction Y, and two through holes 14 spaced apart along the left-right direction Y. The through holes 14 are respectively located on the left and right sides of the pivot holes 13 .

Referring to FIG. 4 , FIG. 5 , FIG. 6 and FIG. 9 , the transmission assembly 2 is arranged between the guide frames 1 and includes two interlocking gear shafts 21 and two transmission gears 22 . The interlocking gear shafts 21 are arranged along the left-right direction Y and mesh with each other. The front and rear ends of each linkage gear shaft 21 are respectively pivotally connected to the corresponding pivot holes 13 of the guide frames 1 . The transmission gears 22 are arranged along the left-right direction Y and engage with the left and right sides of the linkage gear shafts 21 respectively.

Referring to Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 10, the rotating brackets 3 are reversely arranged along the front-rear direction X, and each of the rotating brackets 3 is an integrally formed component made by integral molding, The aforementioned integral molding methods are, for example, injection molding, injection molding, and the like. Each of the rotating brackets 3 includes a first frame body 31 , a second frame body 32 , and a connecting frame body 33 . The first frame body 31 is locked to the corresponding supporting board 105 through a screw 108 . The first frame body 31 is arch-shaped and has a friction surface 311 and an inner surface 312 spaced apart along the front-rear direction X. In this embodiment, the friction surface 311 is a cam surface extending around the corresponding axis A, and the friction surface 311 has two first engaging portions 313 that are angularly spaced apart. Each of the first engaging portions 313 is an example of a groove. The inner surface 312 is located inside the friction surface 311 and faces the corresponding guide frame 1 .

Referring to Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 11, the first frame body 31 is formed with an arc-shaped chute 314 sunken from the inner side surface 312 toward the friction surface 311, and an arc-shaped slide groove 314 is formed from the friction surface 311. An arc-shaped positioning slot 315 is recessed toward the inner surface 312 and communicated with the arc-shaped slide slot 314 . The arc-shaped chute 314 is formed by extending around the corresponding axis A, and one end of the arc-shaped chute 314 extends to the top surface of the first frame body 31 and is open. The shape of the arc-shaped chute 314 matches the shape of the corresponding arc-shaped guide rail 11 of the guide frame 1 , and the arc-shaped chute 314 is slidably connected to the corresponding arc-shaped guide rail 11 of the guide frame 1 . The arc-shaped positioning groove 315 is formed by extending around the corresponding axis A, and the opposite ends of the arc-shaped positioning groove 315 are respectively closed. The first frame body 31 has a first resisting surface 316 and a second resisting surface 317 respectively located at opposite ends of the arc-shaped positioning groove 315 .

Referring to FIG. 4 , FIG. 5 , FIG. 6 , FIG. 8 and FIG. 9 , the second frame body 32 is spaced apart from the first frame body 31 along the front-rear direction X and is located inside the first frame body 31 . The second frame body 32 is located inside the corresponding guide frame 1 and above the corresponding linkage gear shaft 21 and above the corresponding transmission gear 22 . The second frame body 32 has an actuator 321 and an arc-shaped slide rail 322 . In this embodiment, the actuating member 321 is a bow-shaped gear extending around the corresponding axis A. The actuator 321 is engaged with the corresponding transmission gear 22 of the transmission assembly 2 to actuate the transmission gear 22 to rotate. The arc-shaped sliding rail 322 protrudes from the side of the actuator 321 facing the first frame body 31 , and the arc-shaped sliding rail 322 extends around the corresponding axis A. The shape of the arc-shaped slide rail 322 matches the shape of the corresponding arc-shaped guide groove 12 of the guide frame 1, and the arc-shaped slide rail 322 can be slidably connected to the arc-shaped guide of the corresponding guide frame 1. Slot 12. The arc-shaped sliding rail 322 of the second frame body 32 and the arc-shaped slide groove 314 of the first frame body 31 jointly constitute an arc of the rotating bracket 3 that is rotatably pivoted to the corresponding guide frame 1 . Shaped pivot assembly 30.

Referring to Fig. 1, Fig. 6, Fig. 10 and Fig. 11, the connecting frame body 33 is connected between the first frame body 31 and the second frame body 32 and protrudes from the corresponding side of the guide frame 1, the The connecting frame body 33 is adjacent to the corresponding first engaging portion 313 and the first resisting surface 316 . The connecting frame body 33 is locked to the corresponding supporting board 105 through two screws 109 .

6 and 7, these rotating brackets 3 can rotate around the axes A respectively, and each of the rotating brackets 3 can be in a first angular position (as shown in FIG. 7 ) and a Rotation between second angular positions (as shown in Figure 12). Wherein, each of the rotating brackets 3 is set so that the arc-shaped pivot assembly 30, the actuating member 321 and the friction surface 311 can simultaneously around the corresponding axis A relative to the corresponding guide frame 1, the transmission The assembly 2 and the force applying assembly 4 rotate, so that the rotating brackets 3 can rotate synchronously in the reverse direction through the transmission assembly 2, so as to drive the bodies 101 in an unfolded state (as shown in FIG. 7 ) and a retracted state. combined state (as shown in Figure 12).

Referring to Fig. 4, Fig. 5, Fig. 6 and Fig. 10, the force applying assembly 4 includes two pressing plates 41, two support rods 42, a buckle plate 43, two first springs 44, a pin rod 45, And a second spring 46. The pressing plates 41 are oppositely arranged along the front-rear direction X and are respectively located at the front and rear sides of the rotating brackets 3 . Each of the pressing plates 41 includes a pressing surface 411 and an outer surface 412 spaced apart along the front-rear direction X. As shown in FIG. The pressing surface 411 faces the corresponding friction surface 311 of the rotating bracket 3 for pressing against the friction surface 311 . The outer surface 412 is located outside the pressing surface 411 . In this embodiment, each of the pressing plates 41 is a cam plate, and the pressing surface 411 is a cam surface formed by extending around the corresponding axis A, and the pressing surface 411 has two angles spaced apart from each other. The second locking part 413 . Each of the second latching portions 413 is an example of a protrusion for latching on the corresponding first latching portion 313 . Each of the pressing plates 41 is formed with two through holes 414 spaced apart along the left-right direction Y, and each of the through holes 414 extends between the pressing surface 411 and the outer surface 412 . It should be noted that each of the second locking parts 413 in this embodiment can also be a groove, and each of the first locking parts 313 can also be a groove for locking in the corresponding second locking parts. The protrusion of the portion 413 is not limited to the foregoing disclosure.

The support rods 42 are spaced apart along the left-right direction Y. Each of the support rods 42 extends axially along the front-rear direction X and has a rod body 421 and a rod head 422 formed at one end of the rod body 421 . The rod body 421 forms an annular locking groove 423 adjacent to an end of the rod body 421 opposite to the rod head 422 . The rod body 421 is used to pass through the corresponding through-hole 14 of each guide frame 1 , the corresponding transmission gear 22 , and the corresponding arc-shaped sliding slot 314 and the arc-shaped positioning slot 315 of the rotating bracket 3 . , and each of the corresponding perforations 414 of the pressing plate 41 . The outer peripheral surface of the rod body 421 can be in frictional contact with the corresponding first frame body 31 of the rotating frame 3 . The portion of the rod body 421 formed with the annular slot 423 can protrude from the corresponding outer surface 412 of the pressing plate 41 , so that the annular slot 423 is separated from the outer surface 412 by an appropriate distance. The outer diameter of the rod head 422 is larger than the outer diameter of the rod body 421 for abutting against the corresponding outer surface 412 of the pressing plate 41 .

The buckling plate 43 is used for buckling in the annular locking grooves 423 of the support rods 42 and can be spaced an appropriate distance from the corresponding outer surface 412 of the pressing plate 41 . Each of the first springs 44 is a compression spring for sheathing on the rod body 421 of the corresponding supporting rod 42 . Both ends of each of the first springs 44 are respectively used to exert elastic force against the outer surface 412 of the corresponding pressing plate 41 and the locking plate 43 . The pin rod 45 is disposed in the middle of the buckle plate 43 and between the rod bodies 421 of the support rods 42 , and the pin rod 45 is a rivet riveted to the buckle plate 43 as an example. The second spring 46 is a compression spring that is sheathed on the pin rod 45. The buckle plate 43 .

Referring to Fig. 6, Fig. 7, Fig. 8 and Fig. 9, when the components of the hinge 104 are to be assembled, the two ends of each of the interlocking gear shafts 21 are respectively passed through the corresponding pivot joints of the guide frames 1. The holes 13 enable the interlocking gear shafts 21 to mesh with each other. Next, the assembly between the rotating brackets 3 and the guide frames 1 is carried out. Rotate each rotating bracket 3 by an appropriate angle, so that the open end of the arc chute 314 is aligned with one end of the arc guide rail 11 of the corresponding guide frame 1, and one end of the arc slide rail 322 is aligned with Corresponding to one of the open ends of the arc-shaped guide groove 12 of the guide frame 1 . Subsequently, each of the rotating brackets 3 is rotated to the first angular position relative to the corresponding guide frame 1 around the corresponding axis A, so that the arc-shaped chute 314 is inserted into the corresponding arc-shaped guide rail 11 and the The arc-shaped slide rail 322 is inserted into the corresponding arc-shaped guide groove 12 . Thereby, the arc-shaped slide groove 314 and the arc-shaped slide rail 322 are slidably connected to the arc-shaped guide rail 11 and the arc-shaped guide groove 12 respectively. At this time, the actuating member 321 of each rotating bracket 3 is engaged with the top of the corresponding transmission gear 22 .

Referring to Fig. 6 and Fig. 10, the second locking parts 413 of each of the pressing plates 41 are respectively locked to the first locking parts 313 of the corresponding rotating bracket 3, so that the pressing plates The pressing surfaces 411 of 41 respectively contact the friction surfaces 311 of the rotating brackets 3 .

Referring to Fig. 6, and Fig. 7 to Fig. 11, the rod body 421 of each support rod 42 is passed through the corresponding through hole 14 of each guide frame 1, the corresponding transmission gear 22, the corresponding The arc-shaped chute 314 and the arc-shaped positioning groove 315 of the rotating bracket 3, and the corresponding perforation 414 of each pressing plate 41, make the rod heads 422 of the support rods 42 stop at the same time. The outer surface 412 of the same pressing plate 41 and the annular locking grooves 423 of the support rods 42 are separated from the outer surface 412 of the other pressing plate 41 by a certain distance. At this time, each of the transmission gears 22 is rotatably sleeved on the rod body 421 of the corresponding support rod 42 .

Next, each of the first springs 44 is sleeved on the corresponding portion of the rod body 421 protruding from the outer surface 412 , and the second spring 46 is sleeved on the pin rod 45 . The locking plate 43 is moved toward the corresponding outer surface 412 of the pressing plate 41 to a position aligned with the annular locking grooves 423, and the locking plate 43 will compress the first springs 44 during the aforementioned moving process and the second spring 46, so that the first springs 44 and the second spring 46 are compressed and deformed to accumulate elastic force. Afterwards, the buckle plate 43 is buckled into the ring-shaped grooves 423 , that is, the assembly of the hinge 104 is completed.

Referring to Fig. 6, since the first springs 44 and the second spring 46 are compressed and deformed and accumulate elastic force, the accumulated elastic force of the first springs 44 and the second spring 46 will be directly applied to one of the pressing force. The outer surface 412 of the plate 41 is transmitted to the outer surface 412 of another pressing plate 41 through the buckle plate 43 and the support rods 42 . Thereby, the pressing surfaces 411 of the pressing plates 41 of the force application assembly 4 respectively apply two pressures F parallel to the front-rear direction X and opposite in direction to the friction surfaces of the rotating brackets 3 311 , making the pressing surfaces 411 of the pressing plates 41 contact the friction surfaces 311 respectively.

Since each of the rotating brackets 3 is an integrally formed member through integral molding, and each of the rotating brackets 3 is formed with the arc-shaped pivot assembly 30, the actuating member 321 and the friction surface 311 at the same time. Integrating it into a one-piece structure can greatly reduce the number of components of the hinge 104 , making the components easy to control and easy to assemble to shorten the assembly man-hours. Thereby, the volume of the hinge 104 can be miniaturized, and the manufacturing cost, assembly cost and inspection cost of the hinge 104 can be reduced.

Referring to Figure 1, Figure 7, Figure 10 and Figure 11, when the rotating brackets 3 are in the first angular position, the rotating brackets 3 are flattened and the connecting frame bodies 33 are facing to the left and right sides and mutually keep away. The bodies 101 are in the unfolded state, so that the flexible screen 102 is flattened. Two inner top ends 110 spaced apart along the front-rear direction X of each body 101 are located in the middle of the equiaxes A, and a centerline C of the top surface of the flexible screen 102 parallel to the front-rear direction X is also located between these axes. axis A in the middle. By means of the first latching portions 313 of each rotating bracket 3 respectively latching on the corresponding second latching portions 413 of the pressing plate 41, and the first latching portions of each rotating bracket 3 The stop surface 316 abuts against the rod body 421 of the corresponding support rod 42 and is blocked by the rod body 421, so that each of the rotating brackets 3 can be firmly positioned at the first angular position, so that the bodies 101 Can be firmly positioned in this deployed state.

Referring to FIG. 6 to FIG. 11 , when the bodies 101 are to be transformed from the unfolded state to the folded state, they should be rotated left and right along a first rotation direction R1 and a second rotation direction R2 opposite to the first rotation direction R1. These organisms 101. During the rotation of each body 101, it will drive the corresponding rotating bracket 3 to rotate around the corresponding axis A, so that the arc-shaped pivot assembly 30, the actuator 321, the friction surface 311 and the arc-shaped positioning groove 315 Simultaneously rotate around the corresponding axis A relative to the corresponding guide frame 1 , the corresponding transmission gear 22 , the corresponding pressing surface 411 of the pressing plate 41 and the corresponding supporting rod 42 . Wherein, the arc-shaped slide groove 314 will gradually slide away from the corresponding arc-shaped guide rail 11 and protrude above the arc-shaped guide rail 11, and the arc-shaped slide rail 322 will gradually slide away from the corresponding arc-shaped guide groove 12 and protrude above the arc guide groove 12. The actuating member 321 will actuate the corresponding transmission gear 22 to rotate, so that the transmission gear 22 drives the meshing corresponding linkage gear shaft 21 to rotate synchronously. Each of the first latching portions 313 of the friction surface 311 will gradually move away from the corresponding second latching portion 413 and push the corresponding pressing surface 411 outward, so that the corresponding pressing plate 41 Move outward. The first resisting surface 316 will gradually move away from the corresponding rod body 421 of the supporting rod 42 .

Referring to Fig. 9, Fig. 12 and Fig. 13, since the interlocking gear shafts 21 of the transmission assembly 2 are meshed with each other, the angles of reverse rotation of the interlocking gear shafts 21 will be the same, so that the rotating brackets 3 are respectively The angles of synchronous rotation in opposite directions along the first rotation direction R1 and the second rotation direction R2 are the same. In addition, since the transmission gears 22 are respectively engaged with the left and right sides of the linkage gear shaft 21, and the actuators 321 are respectively engaged with the tops of the transmission gears 22, therefore, the actuators 321 respectively rotate around the axes. A will gradually move away from each other during the reverse rotation.

Referring to FIG. 7 and FIG. 12 , since the inner tops 110 of the bodies 101 and the centerline C of the flexible screen 102 are located in the middle of the axes A, the bodies 101 pass through the rotating brackets 3 During the process of rotating around the axes A, the inner tops 110 of each body 101 will gradually rotate downwards corresponding to the axis A, so that the inner tops 110 of the bodies 101 are far away from each other. Simultaneously, the bodies 101 bend the flexible screen 102 to lower the center line C of the flexible screen 102 and form a curved portion 111 bent around the center line C.

Referring to Fig. 6, Fig. 12, Fig. 13, Fig. 14 and Fig. 15, when the rotating brackets 3 are respectively rotated to the second angular position, the rotating brackets 3 are vertical and the actuators 321 are far away from each other. The connecting frame bodies 33 are close to each other. The corresponding first locking part 313 adjacent to the connecting frame body 33 in each of the rotating brackets 3 is located above the corresponding pressing plate 41, and the corresponding first locking part 313 away from the connecting frame body 33 is It is aligned with the corresponding second engaging portion 413 of the corresponding pressing plate 41 . By virtue of the elastic forces accumulated by the first springs 44 and the second springs 46, each of the pressing plates 41 will automatically move inward and toward the corresponding rotating bracket 3, so that the second latching portion 413 Automatically click on the corresponding first locking part 313 to generate a sense of pause. Thereby, the user can feel through this moment that the rotating bracket 3 has rotated to the second angular position. In addition, the second resisting surface 317 of each rotating bracket 3 abuts against the rod body 421 of the corresponding support rod 42 and is blocked by the rod body 421 to prevent the rotating bracket 3 from continuing to rotate. With the second latching portion 413 latching on the corresponding first latching portion 313, and the rod body 421 blocking the second resisting surface 317, each of the rotating brackets 3 can be firmly positioned on the Second angular position.

Referring to FIG. 12 and FIG. 13 , when the rotating brackets 3 are respectively positioned at the second angular positions, the bodies 101 are positioned in the folded state where the bearing plates 105 face each other. By rotating the arc-shaped pivot components 30 (as shown in FIG. 6 ) of the rotating brackets 3 around the axes A respectively, when the rotating brackets 3 are respectively positioned at the second angular position, the corresponding The moving parts 321 are far away from each other, and the inner top ends 110 of the bodies 101 form a distance D in the left-right direction Y, so that the bending part 111 of the flexible screen 102 is provided with a large enough bending and sinking space . Thereby, the curvature radius of the bending portion 111 of the flexible screen 102 is too small to avoid damage.

Referring to Fig. 12, Fig. 13, Fig. 14 and Fig. 15, when wanting to transform the bodies 101 from the folded state to the unfolded state, rotate the bodies 101 left and right along the second rotation direction R2 and the first rotation direction R1 respectively. The machine body 101 drives the rotating supports 3 to rotate around the axes A respectively. During the rotation of each rotating bracket 3, the arc-shaped chute 314 will gradually slide into the corresponding arc-shaped guide rail 11, and the arc-shaped slide rail 322 (as shown in Figure 8) will gradually slide into the corresponding arc-shaped guide rail 11. The arc guide groove 12. The actuators 321 are close to each other and the connecting frames 33 are far away from each other. The first locking portion 313 of the friction surface 311 will gradually move away from the corresponding second locking portion 413 and push the corresponding pressing surface 411 (as shown in FIG. 6 ) outward, so that the corresponding The pressing plate 41 moves outward. The second resisting surface 317 will gradually move away from the corresponding rod body 421 of the supporting rod 42 .

In addition, when the bodies 101 rotate around the axes A through the rotating brackets 3, the inner tops 110 of each body 101 will gradually turn upwards and towards the center of the axes A, so that the The inner top ends 110 of the bodies 101 are close to each other. At the same time, the bodies 101 will drive the curved portion 111 of the flexible screen 102 to move up and gradually flatten the curved portion 111 .

Referring to FIG. 6 , FIG. 7 , FIG. 10 and FIG. 11 , when the rotating brackets 3 are respectively rotated to the first angular position, the rotating brackets 3 are flattened. The first engaging portions 313 of each rotating bracket 3 are respectively aligned with the corresponding second engaging portions 413 of the pressing plate 41 . By virtue of the elastic forces accumulated by the first springs 44 and the second springs 46, each of the pressing plates 41 will automatically move inward and toward the corresponding rotating bracket 3, so that the second locking parts 413 is automatically respectively locked on the first locking parts 313 to generate a sense of pause. Thereby, the user can feel that the rotating bracket 3 has rotated to the first angular position through this moment. In addition, the first resisting surface 316 of each rotating bracket 3 abuts against and is blocked by the rod body 421 of the corresponding support rod 42 , so as to prevent the rotating bracket 3 from continuing to rotate. Thereby, each of the rotating brackets 3 is restored and positioned at the first angular position, so that the bodies 101 are restored and positioned at the unfolded state.

Referring to Fig. 7, Fig. 8 and Fig. 9, each of the rotating brackets 3 is slidably connected to the arc chute 314 of the first frame 31 and the arc slide rail 322 of the second frame 32 respectively. Corresponding to the arc-shaped guide rail 11 and the arc-shaped guide groove 12 of the guide frame 1, the balance, stability and smoothness of the sliding process can be improved, and the actuator 321 can be prevented from detaching from the corresponding transmission. The case of gear 22 arises.

Referring to FIG. 6, FIG. 10, FIG. 11 and FIG. 12, during the rotation process of each of the rotating brackets 3 between the first angular position and the second angular position, the frictional surface 311 frictionally contacts the corresponding forcing The torsion effect generated by the tightening surface 411 of the tightening plate 41 enables each of the rotating brackets 3 to be positioned at any desired angular position without any steps. In addition, the first frame body 31 rubs against the corresponding outer peripheral surface of the rod body 421 during the rotation process, which can further improve the stability of the rotation bracket 3 when it is positioned at a desired angular position.

The guide frame 1, the transmission assembly 2, and the rotating brackets 3 are connected together by the pressing plates 41, the support rods 42, the buckle plates 43 and the first springs 44 In this way, the force applying assembly 4 can stably assemble the aforementioned components together through fewer components. Accordingly, the number of components, manufacturing cost, assembly cost and inspection cost of the hinge 104 can be further reduced. In addition, by virtue of the elastic force provided by the first springs 44 and the second spring 46, the pressing surfaces 411 of the pressing plates 41 apply the pressures F to the rotating brackets 3 respectively. The friction surface 311, whereby the rotating brackets 3 can be respectively subjected to torsion force and positioned. Thereby, the positioning balance and stability of the rotating supports 3 can be improved. Furthermore, by cooperating each support rod 42 with the arc-shaped positioning groove 315 of the corresponding rotating bracket 3 , it is possible to prevent the rotating bracket 3 from oversteering and detaching from the corresponding guiding frame 1 . Through the design of the pin rod 45 and the second spring 46, the pressure values of the pressure F can be increased.

It should be noted that the hinge 104 of this embodiment can also have the following different implementation styles according to requirements:

One of the implementation styles: the friction surface 311 of each rotating bracket 3 omits the first locking parts 313 and is designed as a plane, and the pressing surface 411 of each pressing plate 41 omits the second locking parts The catch portion 413 is designed as a plane. The friction surface 311 and the pressing surface 411 can also achieve the effect of locking and positioning through the friction between the surfaces.

Another embodiment: the force applying assembly 4 omits the pin rod 45 and the second spring 46 .

To sum up, the hinge 104 of this embodiment, by combining the guide frames 1 capable of synchronous rotation, the transmission assembly 2 and the rotating brackets 3 and the rotating brackets capable of torsion 3 is integrated with the force application assembly 4, and each of the rotating brackets 3 simultaneously integrates the arc-shaped pivot assembly 30, the actuator 321, the friction surface 311 and other elements into one integral member. The design method can greatly reduce the number of components of the hinge 104, making the components easy to manage and control, and convenient to assemble to shorten the assembly man-hour. Thereby, the volume of the hinge 104 can be miniaturized, and the manufacturing cost, assembly cost and inspection cost of the hinge 104 can be reduced. The hinge 104 of this embodiment pivots and clamps the corresponding guide frame 1 through the first frame body 31 and the second frame body 32 of each rotating bracket 3. Compared with the previous For the first hinge of the technology, the number of use of these guide frames 1 can be saved. The hinge 104 of this embodiment is through the design of each of the swivel brackets 3 as an integrated component and has the arc-shaped pivot assembly 30, the actuator 321 and the friction surface 311 at the same time, so that the swivel bracket 3 simultaneously It has the functions of the swivel frame and cam frame of the first and second hinges of the prior art, so the use of the cam frames of the first and second hinges can be omitted, and the use of the slider linkage mechanism of the second hinge can be omitted, so Really can reach the purpose of this novelty.

But the above-mentioned ones are only embodiments of the present invention, and should not limit the scope of implementation of the present invention with this. All simple equivalent changes and modifications made according to the patent scope of the present application and the content of the patent specification are still within the scope of the present invention. Within the scope covered by this patent.

100: Foldable electronic device 101: Body 102: Flexible screen 103: Carrier 104: hinge 105: Loading board 106: Internal space 107:Accommodating space 108: screw 109: screw 110: inner top 111: bending part 1: guide frame 11: Arc guide rail 12: Arc guide groove 13: Pivot hole 14: perforation 2: Transmission assembly 21: Linkage gear shaft 22: Transmission gear 3: Rotating bracket 30: Arc pivot assembly 31: The first frame 311: friction surface 312: inner side 313: the first locking part 314: arc chute 315: arc positioning groove 316: The first stop surface 317: The second stop surface 32: The second frame 321: actuator 322: Arc slide rail 33: Connecting frame body 4: Force assembly 41: Compression plate 411: tight noodle 412: Outer side 413: the second locking part 414: perforation 42: support rod 421: rod body 422: Head 423: Ring slot 43: Buckle plate 44: First spring 45: pin rod 46:Second spring A: axis C: Centerline D: Spacing F: pressure R1: the first direction of rotation R2: Second direction of rotation X: Front and rear direction Y: left and right directions Z: up and down direction

Other features and functions of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: FIG. 1 is a perspective view illustrating that an embodiment of the new hinge is applied to a foldable electronic device, illustrating the assembly relationship between two bodies, a flexible screen, and the two hinges; Fig. 2 is an incomplete three-dimensional exploded view of Fig. 1, illustrating the assembly relationship between the bodies, a carrier, and the hinges; Fig. 3 is a partial perspective exploded view of Fig. 2, illustrating the assembly relationship between the carrier and the hinges; Fig. 4 is a three-dimensional exploded view of this embodiment, illustrating the assembly relationship between two guide frames, a transmission assembly, two rotating brackets, and a force application assembly; Fig. 5 is a three-dimensional exploded view of the embodiment viewed from another perspective; Fig. 6 is a top view of this embodiment; Fig. 7 is a cross-sectional view taken along line VII-VII in Fig. 6, illustrating that the rotating bracket is in a first angular position; Fig. 8 is a cross-sectional view taken along line VIII-VIII in Fig. 6; Fig. 9 is a sectional view taken along line IX-IX in Fig. 6; Fig. 10 is a cross-sectional view taken along the line XX in Fig. 6; Fig. 11 is a sectional view taken along line XI-XI in Fig. 6; Figure 12 is a cross-sectional view of the embodiment, illustrating the swivel bracket in a second angular position; Fig. 13 is a sectional view of this embodiment; Figure 14 is a cross-sectional view of the embodiment; and Fig. 15 is a sectional view of this embodiment.

104: hinge

1: guide frame

11: Arc guide rail

12: Arc guide groove

2: Transmission assembly

21: Linkage gear shaft

22: Transmission gear

3: Rotating bracket

30: Arc pivot assembly

31: The first frame

311: friction surface

312: inner side

314: arc chute

32: The second frame

321: actuator

322: Arc slide rail

33: Connecting frame body

4: Force assembly

41: Compression plate

411: tight noodle

412: Outer side

42: support rod

421: rod body

422: Head

423: Ring slot

43: Buckle plate

44: First spring

45: pin rod

46:Second spring

A: axis

F: pressure

X: Front and rear directions

Y: left and right direction

Claims (15)

A hinge comprising: Two guide frames are arranged in opposite directions along a front-rear direction and spaced apart from each other; a transmission assembly arranged between the guide frames; a force application assembly including two compression plates arranged in opposite directions along the front-to-rear direction; and Two rotating brackets are arranged in opposite directions along the front-rear direction, each of the rotating brackets includes an arc-shaped pivot assembly rotatably pivoted to the corresponding guide frame, and an arc-shaped pivot assembly connected to the transmission assembly for actuating the The actuating member actuated by the transmission assembly, and a frictional contact with the corresponding friction surface of the pressing plate, each of the rotating brackets is arranged so that the arc-shaped pivot assembly, the actuating member and the friction surface can be respectively opposed to each other at the same time Rotate the corresponding guide frame, the transmission assembly and the corresponding pressing plate, so that the rotating brackets can rotate synchronously in opposite directions through the transmission assembly. The hinge as claimed in claim 1, wherein each of the swivel brackets is an integrally formed component made by one-piece molding. The hinge according to claim 1, wherein each of the rotating brackets includes a first frame body, a second frame body, and a connecting frame body, and the first frame body is located between the corresponding guide frame and the corresponding There is the friction surface between the pressing plates, the second frame body is spaced apart from the first frame body along the front-rear direction and has the actuator, and the connecting frame body is connected to the first frame body and the second frame body Between the two frames, the first frame and the second frame together form the arc pivot assembly. The hinge according to claim 3, wherein each of the guide frames includes an arc-shaped guide rail and an arc-shaped guide groove spaced along the front-to-rear direction, and the first frame body is formed with an arc slidably connected to the arc The arc-shaped sliding slot of the arc-shaped guide rail, the second frame body has an arc-shaped sliding rail that can be slidably connected to the arc-shaped guiding slot, and the arc-shaped sliding slot and the arc-shaped sliding rail jointly constitute the arc-shaped pivot assembly . The hinge according to claim 1, wherein the transmission assembly includes two interlocking gear shafts pivotally connected between the guide frames and meshing with each other, and two interlocking gear shafts respectively meshing on the left and right sides of the interlocking gear shafts The transmission gear, the actuator is a bow gear meshed with the corresponding transmission gear. The hinge according to any one of claims 1 to 5, wherein each of the pressing plates has a pressing surface, and the pressing surfaces of the pressing plates are respectively applied with two directions parallel to the front-rear direction and Opposite pressure is applied to the friction surfaces of the rotating brackets, so that the pressing surfaces of the pressing plates are pressed into contact with the friction surfaces respectively. The hinge as claimed in item 6, wherein, the friction surface is a cam surface and has two first locking parts angularly spaced apart, and the pressing surface is a cam surface and has two second angularly spaced ones. latching parts, each of the first latching parts is used to latch on the corresponding second latching part, and each of the rotating brackets can rotate between a first angular position and a second angular position, in the At the first angular position, the first latching parts are respectively latched on the second latching parts, and at the second angular position, one of the first latching parts is located on the corresponding pressing plate On the top, the other of the first latching parts is latched on the corresponding second latching part. The hinge according to claim 7, wherein each of the first locking parts is one of a groove and a protrusion, and each of the second locking parts is the other of the groove and the protrusion . The hinge as claimed in item 7, wherein the rotating brackets can respectively rotate around two axes parallel to the front-rear direction, the axes are spaced along a left-right direction perpendicular to the front-rear direction, and the axes are along a The up-down direction perpendicular to the front-rear direction and the left-right direction is spaced above the guide frames and at the same height, and the arc-shaped pivot assembly, the actuating member and the friction surface of each rotating bracket can simultaneously rotate around the corresponding This axis rotates. The hinge according to claim 6, wherein each of the pressing plates has an outer surface opposite to the pressing surface, and the force application assembly further includes two support rods, a buckle plate, and two first The springs, the support rods are spaced along a left-right direction perpendicular to the front-rear direction, each of the support rods is axially extended along the front-rear direction and has a rod body, and a rod head formed at one end of the rod body , the rod body is passed through the guide frames, the transmission assembly, the corresponding rotating bracket and the pressing plates, the rod head is pressed against the outer surface of the corresponding one of the pressing plates, and the card The buckle plate is buckled on the rod bodies of the support rods and is adjacent to one end of each rod body opposite to the rod head, and each of the first springs is sleeved on the rod body of the corresponding support rod and applied Elastically butt against the buckle plate and the corresponding outer surface of the other pressing plate. The hinge according to claim 10, wherein the force application assembly further includes a pin rod arranged on the buckle plate and between the support rods, and a second spring set on the pin rod, the The second spring exerts elastic force against the buckling plate and the corresponding outer surface of the other pressing plate. The hinge according to claim 10, wherein each of the rotating brackets is formed with an arc-shaped positioning slot for the rod body of the corresponding support rod to pass through, and the rod body of each support rod can be connected to the corresponding rod body The rotating brackets are in frictional contact, and each of the rotating brackets also includes a first abutment surface and a second abutment surface respectively located at the opposite ends of the arc-shaped positioning groove. When rotating between two angular positions, at the first angular position, the first abutment surface abuts against the corresponding rod body, and at the second angular position, the second abutment surface abuts against the corresponding rod body. The hinge as claimed in any one of claims 1 to 5, wherein the rotating brackets can respectively rotate around two axes parallel to the front-rear direction, and the axes are spaced apart along a left-right direction perpendicular to the front-rear direction , the axes are spaced above the guide frames along an up-down direction perpendicular to the front-rear direction and the left-right direction and have the same height, the arc-shaped pivot assembly, the actuating member and the friction of each of the rotating brackets The faces can simultaneously rotate about the corresponding axes. The hinge according to claim 1, wherein each of the rotating brackets is formed with an arc-shaped positioning groove, and each of the rotating brackets further includes a first abutting surface and a second abutting surface respectively located at opposite ends of the arc-shaped positioning groove The force application assembly also includes two support rods, the support rods are spaced apart along a left and right direction perpendicular to the front-rear direction, and the axial direction of each support rod extends along the front-rear direction and passes through the The guide frame, the transmission assembly, the arc-shaped positioning groove of the corresponding rotating bracket and the pressing plates, each of the support rods can be in frictional contact with the corresponding rotating bracket, and each of the rotating brackets can Rotate between a first angular position and a second angular position, at the first angular position, the first abutment surface abuts against the corresponding support rod, at the second angular position, the second The abutting surface abuts against the corresponding supporting rod. The hinge according to claim 14, wherein the transmission assembly includes two interlocking gear shafts pivotally connected between the guide frames and meshing with each other, and two interlocking gear shafts respectively meshing on the left and right sides of the interlocking gear shafts And the transmission gears of the supporting rods are respectively rotatably sleeved, and the actuator is a bow gear meshed with the corresponding transmission gears.

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