WO2023097476A1 - 铰链和电子设备 - Google Patents

铰链和电子设备 Download PDF

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Publication number
WO2023097476A1
WO2023097476A1 PCT/CN2021/134503 CN2021134503W WO2023097476A1 WO 2023097476 A1 WO2023097476 A1 WO 2023097476A1 CN 2021134503 W CN2021134503 W CN 2021134503W WO 2023097476 A1 WO2023097476 A1 WO 2023097476A1
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WO
WIPO (PCT)
Prior art keywords
slider
torsion
protrusion
guide
shaft
Prior art date
Application number
PCT/CN2021/134503
Other languages
English (en)
French (fr)
Inventor
张俊
游传坤
伍峰平
青威
王志会
Original Assignee
京东方科技集团股份有限公司
成都京东方光电科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司, 成都京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to CN202180003687.2A priority Critical patent/CN116648567A/zh
Priority to PCT/CN2021/134503 priority patent/WO2023097476A1/zh
Priority to US17/921,671 priority patent/US20240241552A1/en
Publication of WO2023097476A1 publication Critical patent/WO2023097476A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position

Definitions

  • the present disclosure relates to the field of display technology, in particular to a hinge and electronic equipment.
  • Hinge is a connection element that can provide mutual rotation function, mainly used for connection between rotating parts and base.
  • Currently it is widely used in various electronic devices, such as notebook computers.
  • the display unit and the system unit of the notebook computer are connected by a hinge, so that the notebook computer can be opened and closed.
  • the hinge includes a mounting seat, two torsion shafts and two rotating arms.
  • the two rotating arms are connected with the two torsion shafts in one-to-one correspondence.
  • the two rotating arms are respectively connected with the display part and the system part of the notebook computer.
  • the hinges in the related art provide the same resistance during the opening and closing of the notebook computer, so that the two design purposes cannot be taken into account when designing the notebook computer, that is, the function of opening light and closing heavy cannot be achieved.
  • Embodiments of the present disclosure provide a hinge and an electronic device. Described technical scheme is as follows:
  • the present disclosure provides a hinge, which includes a mount, two torsion shafts, an elastic structure, and two rotating arms; the two torsion shafts and the elastic structure are mounted on the mount , and the elastic structure is located between the two torsion shafts, the two rotating arms are connected to the two torsion shafts in one-to-one correspondence; the side walls of the two torsion shafts have protrusions, and the The said bump is located on the side of the associated torsion shaft close to the elastic structure, and the bumps of the two torsion shafts are respectively in contact with the elastic structure; the elastic structure is configured to pass through the bump to the The torsion shaft exerts a force that tends to rotate the two rotating arms away from each other.
  • the elastic structure includes a guide, a slider, and an elastic member; the guide is fixedly connected to the mounting base; the slider is connected to the guide, and The sliding block can slide along the guide member, and the protrusion is in contact with the sliding block; the elastic member is used to provide elastic force to the sliding block, and the elastic force is along a direction approaching the protrusion.
  • the surface of the slider has two pushing grooves, and the two pushing grooves are located on the surface of the slider close to the protrusion, and are located on the opposite side of the slider.
  • the two push grooves are arranged along the direction in which the two torsion shafts are arranged, and the protrusions of the two torsion shafts are respectively located in the two push grooves.
  • the bottom surfaces of the two pushing grooves are both inclined surfaces, and the protrusions are in contact with the inclined surfaces.
  • the middle part of the slider has a guide hole, and the guide hole is located between the two pushing grooves;
  • the guide member includes a guide rod, and at least one end of the guide rod is connected to The installation seat is connected and located in the guide hole.
  • the slider includes a main body and two protrusions; the two pushing grooves are located at opposite sides of the main body; the two protrusions The part is located on opposite sides of the main part, and is located between the two pushing grooves, and is connected with the main part; the two protruding parts have guide holes; the guide part includes two guide rod, at least one end of the two guide rods is fixedly connected with the installation seat, and the two guide rods are respectively located in the guide holes of the two protrusions.
  • the side wall of the guide rod has a first limiting protrusion, and the first limiting protrusion is located on a side of the slider close to the protrusion.
  • the elastic member is located between the mounting seat and the slider, and is located on a side of the slider away from the first limiting protrusion, the The elastic member is in a compressed state; or, the elastic member is located on a side of the slider close to the first limiting protrusion, and the elastic member is in a stretched state.
  • the guide includes a base, the base has a receiving groove, and the receiving groove is located on a side of the base close to the protrusion; the slider part is located on the part of which is located outside the accommodating groove, and can expand and contract relative to the base; the elastic member is located in the accommodating groove.
  • the side wall of the accommodating groove has a second limiting protrusion
  • the side wall of the slider has a third limiting protrusion
  • the third limiting protrusion Located in the receiving groove and on the side of the second limiting protrusion away from the protrusion; on a plane perpendicular to the telescoping direction of the slider, the positive side of the second limiting protrusion
  • the projection and the orthographic projection of the third limiting protrusion at least partially overlap.
  • the elastic member is a spring.
  • the hinge further includes two sliding plates and a fixed block, the fixed block is located in the mounting seat and at the end of the torsion shaft, and the fixed block There are two arc-shaped slideways, the sliding plate includes a sliding main body and an arc-shaped arm, the sliding main body is connected to one end of the arc-shaped arm, and the arc-shaped arms of the two sliding plates are respectively located at the two In the arc-shaped slideway, the sliding bodies of the two sliding plates are respectively connected with the two rotating arms.
  • the sliding body has a bar-shaped chute
  • the side of the rotating arm close to the sliding plate has a connecting slider
  • the connecting sliders of the two rotating arms are respectively Located in the strip chute of the two sliding plates.
  • the hinge further includes a synchronous shaft and a fixed seat, both of the synchronous shaft and the fixed seat are located in the mounting seat, and the middle part of the synchronous shaft is in contact with the fixed seat.
  • the seat is rotationally connected, and the fixed seat is connected with the installation seat;
  • the synchronous shaft is located between the two torsion shafts and is perpendicular to the two torsion shafts;
  • the first end of the synchronous shaft has a first A synchronous gear
  • the second end of the synchronous shaft has a second synchronous gear
  • the first synchronous gear is in transmission connection with one of the two torsion shafts, and the second synchronous gear is connected to the two torsion shafts Another drive connection in the shaft.
  • the middle part of the fixing seat has a mounting slot
  • the synchronous shaft is located in the mounting slot
  • the first synchronous gear and the second synchronous gear Located on opposite sides of the fixing seat.
  • the torsion shaft includes a main shaft and a damping structure
  • the damping structure includes a first end cam, a second end cam, a first axial limiting member, a second axial limiting The position piece and the second elastic piece; the first axial limit piece, the first end face cam, the second end face cam, the second elastic piece and the second axial limit piece are sleeved in sequence outside the main shaft, and the end surface of the first end cam is matched with the end surface of the second end cam; the side walls of the first end cams of the two torsion shafts are connected.
  • the damping structure further includes a friction plate, the friction plate is sleeved on the outside of the main shaft, and the friction plate is located at least one of the following places: the first axial limit Between the member and the first end cam; between the second end cam and the second elastic member; between the second elastic member and the second axial limiting member.
  • the present disclosure provides an electronic device, which includes the hinge described in any one of the above aspects.
  • the electronic device is a notebook computer.
  • the two pivoting arms are connected to the system side and the display side of the notebook respectively.
  • the two rotating arms rotate towards each other. Since the two rotating arms and the two torsion shafts are connected in one-to-one correspondence, the two torsion shafts will also follow the rotation of the two rotating arms respectively, and the elastic structure is configured to move toward the protrusion Apply force so that the two rotating arms have a tendency to rotate away from each other. At this time, the force exerted by the elastic structure on the rotating arm is resistance.
  • the user opens the notebook computer he needs to overcome the resistance of the elastic structure to close the notebook computer. This allows the laptop to remain open at a smaller angle.
  • the two rotating arms rotate away from each other.
  • the force exerted by the elastic structure on the rotating arms is a boost.
  • the elastic structure can provide part of the resistance, and only need to use a small Just enough force to open the laptop. That is to say, the function of opening light and closing heavy of the notebook computer is realized.
  • FIG. 1 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure
  • Fig. 2 is a front structural schematic view of the hinge in Fig. 1;
  • Fig. 3 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure.
  • Fig. 4 is a front structural schematic view of the hinge in Fig. 3;
  • Fig. 5 is a structural schematic diagram of a damping structure provided by an embodiment of the present disclosure.
  • Fig. 6 is a structural schematic diagram of a damping structure provided by an embodiment of the present disclosure.
  • Fig. 7 is a schematic diagram of cooperation between a first end cam and a second end cam provided by an embodiment of the present disclosure
  • Fig. 8 is a schematic structural diagram of a mounting seat provided by an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of an exploded structure of a mount provided by an embodiment of the present disclosure.
  • Fig. 10 is a schematic diagram of an exploded structure of a hinge provided by an embodiment of the present disclosure.
  • Fig. 11 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure.
  • Fig. 12 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure.
  • Fig. 13 is a schematic structural view of the hinge shown in Fig. 11 when it is in a closed state;
  • Fig. 14 is a schematic structural view of the hinge shown in Fig. 12 when it is in a closed state;
  • Fig. 15 is a schematic structural diagram of cooperation between a sliding plate and a fixed block provided by an embodiment of the present disclosure
  • Fig. 16 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure.
  • Fig. 17 is a schematic structural diagram of cooperation between a sliding plate and a fixed block provided by an embodiment of the present disclosure
  • Fig. 18 is a schematic diagram of an exploded structure of a synchronous shaft and a fixed seat provided by an embodiment of the present disclosure
  • Fig. 19 is a schematic diagram of a cooperative structure of a synchronous shaft and a fixed seat provided by an embodiment of the present disclosure
  • Fig. 20 is a schematic structural diagram of a slider provided by an embodiment of the present disclosure.
  • Fig. 21 is a schematic structural diagram of a slider provided by an embodiment of the present disclosure.
  • Fig. 22 is a schematic structural view of a guide rod provided by an embodiment of the present disclosure.
  • Fig. 23 is a schematic structural diagram of an elastic structure provided by an embodiment of the present disclosure.
  • Fig. 1 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure.
  • the hinge includes a mounting base 10 , two torsion shafts 20 , an elastic structure 30 and two rotating arms 40 .
  • the two torsion shafts 20 and the elastic structure 30 are installed on the mounting base 10 , and the elastic structure 30 is located between the two torsion shafts 20 , and the two rotating arms 40 are connected to the two torsion shafts 20 in one-to-one correspondence.
  • the sidewalls of the two torsion shafts 20 each have protrusions 201 , and the protrusions 201 are located on a side of the corresponding torsion shaft 20 close to the elastic structure 30 , and the protrusions 201 of the two torsion shafts 20 are respectively in contact with the elastic structure 30 .
  • the elastic structure 30 is configured to apply force to the torsion shaft 20 through the protrusion 201 , so that the two rotating arms 40 have a tendency to rotate away from each other.
  • the elastic structure 30 applies a force to the torsion shaft 20 through the protrusion 201, so that the two rotating arms 40 have a tendency to rotate away from each other, which means that the directions of the torque provided by the elastic structure 30 to the two torsion shafts 20 are opposite. And when the two rotating arms 40 rotate under the action of the torque provided by the elastic structure 30 , the ends of the two rotating arms 40 away from the torsion shaft 20 will move away from each other.
  • the mounting seat 10 provides installation space for the torsion shaft 20 and the elastic structure 30, and when the rotating arm 40 rotates, it drives the components connected to the rotating arm 40 to rotate, for example, the rotating arm 40 drives the system end and the notebook.
  • the display end rotates to realize opening and closing of the notebook.
  • the two rotating arms 40 When the hinge is applied to a notebook computer, the two rotating arms 40 are respectively connected to the system end and the display end of the notebook. When the notebook computer is closed, the two rotating arms 40 rotate in opposite directions. Since the two rotating arms 40 and the two torsion shafts 20 are connected in one-to-one correspondence, the two torsion shafts 20 will also follow the rotation of the two rotating arms 40 respectively, and the elastic structure 30 It is configured to apply force to the protrusion 201, so that the two rotating arms 40 have a tendency to rotate away from each other. At this time, the force exerted by the elastic structure 30 on the rotating arm 40 is resistance. When the user opens the notebook computer, he needs to overcome the elastic structure.
  • the resistance of 30 can close the laptop, so that the laptop can still not be closed at a small angle.
  • the two rotating arms rotate towards the direction away from each other.
  • the force exerted by the elastic structure on the rotating arm 40 is a booster.
  • the elastic structure 30 can provide a part of resistance, and only need to use A small force is able to open the laptop. That is to say, the function of opening light and closing heavy of the notebook computer is realized.
  • Fig. 2 is a front structural schematic view of the hinge in Fig. 1 .
  • the hinges in Fig. 1 and Fig. 2 are both in an open state, and the angle between the two rotating arms 40 is 180 degrees at this time. 1 and 2, the two rotating arms 40 are arranged along the first direction a, and the two torsion axes 20 both extend along the second direction b, wherein the direction of the force F exerted by the elastic structure 30 on the bump 201 is The third direction c, wherein the first direction a, the second direction b and the third direction c are perpendicular to each other.
  • Fig. 3 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure. Referring to Figure 3, the hinge is in a half-open state.
  • Fig. 4 is a front structural schematic view of the hinge in Fig. 3 . Referring to Fig. 3 and Fig. 4, at this moment the angle between the two rotating arms 40 is less than 180 degrees.
  • Fig. 5 is a structural schematic diagram of a damping structure provided by an embodiment of the present disclosure.
  • the torsion shaft 20 includes a main shaft 202 and a damping structure 203 , wherein the damping structure 203 is used to provide resistance during the opening and closing of the hinge.
  • the display unit and the system unit rotate relatively, thereby driving the rotating arm 40 to rotate, so that the torsion shaft 20 rotates, and the user needs to provide a certain torque to overcome the resistance provided by the damping structure 203 to realize the opening and closing of the notebook computer.
  • Fig. 6 is a structural schematic diagram of a damping structure provided by an embodiment of the present disclosure.
  • the damping structure 203 includes a first end cam 231 , a second end cam 232 , a first axial limiting member 233 , a second axial limiting member 234 and a second elastic member 235 .
  • the first axial limiting member 233 , the first end cam 231 , the second end cam 232 , the second elastic member 235 and the second axial limiting member 234 are sequentially sleeved outside the main shaft 202 (not shown in FIG. 5 ), And the end surface of the first end cam 231 is matched with the end surface of the second end cam 232 , and the side walls of the first end cam 231 of the two torsion shafts 20 are connected.
  • the first axial limiting member 233 , the first end cam 231 , the second end cam 232 , the second elastic member 235 and the second axial limiting member 234 are all sleeved on the main shaft 202 .
  • the main shaft 202 rotates, it will drive the second end cam 232 to rotate. Since the side walls of the first end cams 231 of the two torsion shafts 20 are connected, the first end cam 231 will not rotate. The meshing relationship between the first end cam 231 and the second end cam 232 will change.
  • the damping structure 203 further includes a friction plate 236 sleeved on the outside of the main shaft 202 , and the friction plate 236 is located between the first axial limiting member 233 and the first end cam 231 .
  • a friction plate is arranged between the first axial limiter 233 and the first end cam 231 236 , which can reduce the frictional force and reduce the possibility of damage to the first axial limiting member 233 and the first end face cam 231 .
  • first end cams 231 of the two torsion shafts 20 can be manufactured separately, and then the side walls of the two first end cams 231 are connected.
  • the two first end face cams 231 can be integrally formed.
  • the damping structure 203 also includes a limiting piece 237, which is sleeved on the main shaft 202, and the limiting piece 237 is located on the first end face cam 231 and the first axial limiting member 233 (not shown in FIG. 6 ).
  • the limit piece 237 is connected to the side wall of the first end cam 231, between the limit piece 237 and the first end cam 231, and between the limit piece 237 and the first axial limit piece 233 With friction plate 236 .
  • the limiting piece 237 is connected to the side wall of the first end cam 231, when the main shaft 202 rotates, the first end cam 231 does not rotate, and the limiting piece 237 does not turn, so that the friction plates 236 on both sides of the limiting piece 237 A frictional force is generated with the limiting sheet 307 to increase the force that the user needs to provide when opening and closing the notebook.
  • Fig. 7 is a schematic diagram of cooperation between a first end cam and a second end cam provided by an embodiment of the present disclosure.
  • the side wall of the first end face cam 231 has a limit hole 2311
  • the limit piece 237 has a limit protrusion corresponding to the limit hole 2311, and the limit protrusion on the limit plate 237 is located at the limit position.
  • the limiting piece 237 is connected to the side wall of the first end cam 231 .
  • Fig. 8 is a schematic structural diagram of a mount provided by an embodiment of the present disclosure.
  • the installation seat 10 includes an installation base 101 and an installation cover 102 , and an installation cavity 100 is formed between the installation base 101 and the installation cover 102 .
  • the torsion shaft 20 and the elastic structure 30 are located in the installation cavity 100 .
  • FIG. 9 is a schematic diagram of an exploded structure of a mount provided by an embodiment of the present disclosure.
  • the mounting base 101 has a first mounting hole 103 therein.
  • Fig. 10 is a schematic diagram of an exploded structure of a hinge provided by an embodiment of the present disclosure.
  • the mounting base 10 also includes a connecting screw 104, and the connecting screw 104 is screwed to the mounting cover 102 through the first mounting hole 103, that is, the mounting base 101 and the mounting cover 102 pass through the first mounting hole 103 and the connecting screw 104 connected.
  • Fig. 11 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure.
  • the hinge further includes two sliding plates 50 and a fixed block 60 .
  • the fixing block 60 is located in the mounting seat 10 and at the end of the torsion shaft 20 , and the fixing block 60 has two arc-shaped slideways 601 .
  • the sliding plate 50 includes a sliding main body 501 and an arc arm 502, the sliding main body 501 is connected to one end of the arc arm 502, and the arc arms 502 of the two sliding plates 50 are respectively located in two arc slideways 601, and the two sliding plates
  • the sliding main body 501 of 50 is connected with two rotating arms 40 respectively.
  • the two sliding bodies 501 are respectively connected to the system end and the display end of the notebook computer.
  • the rotating arm 40 when the rotating arm 40 rotates, it drives the sliding body 501 connected to the rotating arm 40 to rotate.
  • the center of rotation of the sliding body 501 changes, and the arc arm 502 slides Slide in the track 601, the arc arm 502 slides relative to the rotating arm 40.
  • the sliding body 501 has a second mounting hole 503 through which the sliding body 501 can be connected to the system end and the display end of the notebook computer.
  • one sliding body 501 has two second mounting holes 503 .
  • the fixing block 60 has a fixing protrusion 602
  • the mounting base 101 has a third mounting hole 105 corresponding to the fixing protrusion 602
  • the connecting screw 104 is screwed to the fixing protrusion 602 through the third mounting hole 105 , That is, the mounting base 101 and the fixing block 60 are connected through the third mounting hole 105 and the connecting screw 104 .
  • Fig. 12 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure.
  • the fixing block 60 is located in the installation cavity 100 between the installation base 101 and the installation cover 102 .
  • Fig. 13 is a structural schematic diagram of the hinge shown in Fig. 11 when it is in a closed state.
  • Fig. 14 is a schematic structural view of the hinge shown in Fig. 12 when it is in a closed state. Referring to FIG. 13 and FIG. 14 , when the hinge is in the closed state, a part of the arc-shaped arm 502 slides out from the arc-shaped slideway 601 .
  • Fig. 15 is a schematic structural diagram of cooperation between a sliding plate and a fixing block provided by an embodiment of the present disclosure.
  • the sliding body 501 has a bar-shaped sliding groove 511 .
  • Fig. 16 is a schematic structural diagram of a hinge provided by an embodiment of the present disclosure.
  • the side of the rotating arm 40 close to the sliding plate 50 has a connecting slider 401 , and the connecting sliders 401 of the two rotating arms 40 are respectively located in the bar-shaped slide grooves 511 of the two sliding plates 50 .
  • the rotation center of the rotation arm 40 is constant during the rotation of the rotation arm 40 , the rotation center of the sliding body 501 is changed when the rotation arm 40 is rotating, and the distance between the sliding body 501 and the rotation arm 40 is The relative position of the will change.
  • a bar-shaped chute 511 is arranged on the sliding body 501. When the rotating arm 40 and the sliding body 501 rotate, the connecting slider 401 slides in the bar-shaped chute 511, so that the rotating arm 40 and the sliding body 501 can be connected and able to slide over each other.
  • FIG. 15 the two sliding bodies 501 are in an open state
  • FIG. 17 is a schematic structural diagram of a cooperation between a sliding plate and a fixing block provided by an embodiment of the present disclosure. Referring to Fig. 17, the two sliding bodies 501 are in a closed state.
  • the hinge also includes a synchronous shaft 70 and a fixed seat 80 , both of which are located in the mounting seat 10 , the middle part of the synchronous shaft 70 is rotationally connected with the fixed seat 80 , and the fixed seat 80 is connected with the mounting seat 10 .
  • the synchronous shaft 70 is located between the two torsion shafts 20 and is perpendicular to the two torsion shafts 20 .
  • the synchronization shaft 70 can synchronize the rotation of the two torsion shafts 20 .
  • Fig. 18 is a schematic diagram of an exploded structure of a synchronous shaft and a fixing seat provided by an embodiment of the present disclosure.
  • the first end of the synchronous shaft 70 has a first synchronous gear 701
  • the second end of the synchronous shaft 70 has a second synchronous gear 702
  • the first synchronous gear 701 is in transmission connection with one of the two torsion shafts 20
  • the second synchronous gear 702 is in driving connection with the other of the two torsion shafts 20 .
  • the first synchronous gear 701 drives the second synchronous gear 702 to rotate
  • the second synchronous gear 702 drives the other torsion shaft 20 of the two torsion shafts 20 to rotate, thereby ensuring that the two torsion shafts 20 rotate synchronously.
  • the third synchronous gear 204 is sheathed on the two torsion shafts 20, and the third synchronous gear 20 on the two torsion shafts 20 meshes with the first synchronous gear 701 and the second synchronous gear 702 respectively. .
  • the middle part of the torsion shaft 20 is a square column, and the holes in the protrusion 201, the third co-moving gear 204 and the rotating arm 40 for the torsion shaft 20 to pass through are all square holes, and the square column is located in the square hole. , so that when the rotating arm 40 rotates, the protrusion 201 , the third co-driven gear 204 and the torsion shaft 20 can rotate together.
  • Fig. 19 is a schematic diagram of a cooperation structure of a synchronous shaft and a fixed seat provided by an embodiment of the present disclosure. Referring to FIG. 19 , there is a mounting slot 801 in the middle of the fixing base 80 , the synchronizing shaft 70 is located in the installing slot 801 , and the first synchronous gear 701 and the second synchronizing gear 702 are located on opposite sides of the fixing base 80 .
  • the installation channel 801 is arranged in the middle of the fixed seat 80, and the first synchronous gear 701 and the second synchronous gear 702 are located in the fixed
  • the opposite sides of the seat 80 can not only ensure the stability of the synchronous shaft 70, but also ensure that the synchronous shaft 70 can rotate.
  • the fixing base 80 has two torsion shaft through holes 802 , and the two torsion shafts 20 respectively pass through the two torsion shaft through holes 802 .
  • Two torsion shaft through holes 802 , the two torsion shafts 20 pass through the two torsion shaft through holes 802 respectively.
  • the fixing seat 80 has a fourth mounting hole 803 and a fifth mounting hole 804, the fourth mounting hole 803 and the fifth mounting hole 804 are respectively located on both sides of the mounting through groove 801, and are all connected with the mounting The through groove 801 communicates.
  • the connecting screw passes through the fourth mounting hole 803 and the fifth mounting hole 804 in sequence and then connects with the mounting cover 102 , thereby fixing the fixing base 80 in the mounting space 100 between the mounting base 101 and the mounting cover 102 .
  • the elastic structure 30 includes a guide piece 301 , a slider 302 and a first elastic piece 303 .
  • the guide 301 is fixedly connected to the mounting base 10
  • the slider 302 is connected to the guide 301, and can slide along the guide 301
  • the protrusion 201 is in contact with the slider 302
  • the first elastic member 303 is used to provide elastic force to the slider 302,
  • the elastic force is along a direction approaching the bump 201 .
  • the protrusion 201 exerts a resisting force on the slider 302, and the slider 302 presses the first elastic member 303, so that the first elastic member 303 generates an elastic force toward the slider 302, and the elastic force is along the third direction c.
  • the guide piece 301 extends along a third direction c, and the sliding direction of the guide piece 301 is parallel to the third direction c.
  • Fig. 20 is a schematic structural diagram of a slider provided by an embodiment of the present disclosure.
  • the surface of the slider 302 has two push grooves 321, the two push grooves 321 are located on the surface of the slider 302 close to the protrusion 201, and are located at the opposite sides of the slider 302, the two push grooves 321 are along the
  • the two torsion shafts 20 are arranged in the direction in which they are arranged, and the protrusions 201 of the two torsion shafts 20 are respectively located in the two pushing grooves 321 .
  • a pushing groove 321 is arranged on the slider 302 for placing the protrusion 201 .
  • the bottom surfaces of the two pushing grooves 321 are both inclined surfaces 322 , and the protrusion 201 is in contact with the inclined surfaces 322 .
  • the distance between the bottom surfaces of the two pushing grooves 321 near one end of the protruding block 201 is greater than the distance between the bottom surfaces of the two pushing grooves 321 away from one end of the protruding block 201 .
  • the bottom surfaces of the two pushing grooves 321 may be planes.
  • the slider 302 includes a main body 324 and two protrusions 325 , the two pushing grooves 321 are located on opposite sides of the main body 324 , and the two protrusions 325 are located on opposite sides of the main body 324 , and located between the two pushing slots 321 , and connected with the main body 324 . Both protrusions 325 have guide holes 323 .
  • the guide member 301 includes two guide rods 311 , at least one end of the two guide rods 311 is fixedly connected to the mounting base 10 , and the two guide rods 311 are respectively located in the guide holes 323 of the two protrusions 325 .
  • the main body part 324 is used for arranging the push groove 321, and the two protrusions 325 are used for installing the two guide rods 311, and the two guide rods 311 can also be used for installing the slider 302, ensuring that the slider 302 stability.
  • the slider 302 includes two guide holes 323 .
  • the slider 302 may include a guide hole 323 .
  • Fig. 21 is a schematic structural diagram of a slider provided by an embodiment of the present disclosure. Referring to FIG. 21 , there is a guide hole 323 in the middle of the slider 302 , and the guide hole 323 is located between the two pushing grooves 321 .
  • the guide member 301 includes a guide rod 311 , at least one end of the guide rod 311 is connected to the mounting base 10 and located in the guide hole 323 .
  • Fig. 22 is a schematic structural view of a guide rod provided by an embodiment of the present disclosure.
  • the side wall of the guide rod 311 has a first limiting protrusion 312 , and the first limiting protrusion 312 is located on the side of the sliding block 302 close to the protruding block 201 .
  • the first limiting protrusion 312 is used to limit the sliding of the sliding block 302 to prevent the sliding block 302 from slipping out of the guide rod 311 .
  • the mounting base 101 has a threaded groove 106 , and the guide rod 311 is threadedly connected with the threaded groove 106 .
  • the first elastic member 303 is located between the mounting base 10 and the slider 302 , and is located on the side of the slider 302 away from the first limiting protrusion 312 , the first elastic member 303 is compressed.
  • the elastic force is provided by the first elastic member 303 in a compressed state.
  • the first elastic member 303 is located on a side of the slider 302 close to the first limiting protrusion 312 , and the first elastic member 303 is in a stretched state.
  • the elastic force is provided by the first elastic member 303 in a stretched state.
  • the first elastic member 303 is a spring.
  • Fig. 23 is a schematic structural diagram of an elastic structure provided by an embodiment of the present disclosure.
  • the guide member 301 includes a base 313 having a receiving groove 314 located on a side of the base 313 close to the protruding block 201 .
  • the slider 302 is partly located in the receiving groove 314 , and partly located outside the receiving groove 314 , and can be stretched relative to the base 313 .
  • the first elastic member 303 is located in the receiving groove 314 .
  • the sliding block 302 slides in the receiving groove 314 to generate pressure against the first elastic member 303 , so that the first elastic member 303 generates elastic force.
  • the side wall of the receiving groove 314 has a second limiting protrusion 315
  • the side wall of the slider 302 has a third limiting protrusion 326
  • the third limiting protrusion 326 is located in the receiving groove 314
  • the second limiting protrusion 315 extends away from the side of the protruding block 201 .
  • the orthographic projection of the second limiting protrusion 315 and the orthographic projection of the third limiting protrusion 326 at least partially overlap.
  • the second limiting protrusion 315 and the third limiting protrusion 326 are used to limit the sliding of the sliding block 302 to prevent the sliding block 302 from sliding out of the receiving groove 314 .
  • An embodiment of the present disclosure also provides an electronic device, which includes the above-mentioned hinge.
  • the electronic device may be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, and a navigator.
  • a display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, and a navigator.
  • the electronic device is a notebook computer.

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Abstract

一种铰链和电子设备，铰链包括安装座（10）、两个扭力轴（20）、弹性结构（30）和两个转动臂（40），两个扭力轴（20）和弹性结构（30）均安装在安装座（10）上，且弹性结构（30）位于两个扭力轴（20）之间，两个转动臂（40）和两个扭力轴（20）一一对应，两个扭力轴（20）的侧壁均具有凸块（201），且凸块（201）位于所属的扭力轴（20）靠近弹性结构（30）的一侧，两个扭力轴（20）的凸块（201）分别与弹性结构（30）接触，弹性结构（30）被配置为，通过凸块（201）向扭力轴（20）施加作用力，使两个转动臂（40）具有彼此远离的转动趋势，其中，弹性结构（30）通过凸块（201）向扭力轴（20）施加作用力，使两个转动臂（40）具有彼此远离的转动趋势，表示弹性结构（30）用于阻止两个转动臂（40）相向转动。

Description

铰链和电子设备 技术领域
本公开涉及显示技术领域，特别涉及一种铰链和电子设备。
背景技术
铰链是一种能够提供相互转动功能的连接元件，主要用于转动的部件和基体之间的连接。目前，广泛应用于各种电子设备中，比如，笔记本电脑。笔记本电脑的显示部和系统部通过铰链连接，实现笔记本电脑的开合。
相关技术中，铰链包括安装座、两个扭力轴和两个转动臂。两个转动臂与两个扭力轴一一对应连接。且两个转动臂分别与笔记本电脑的显示部和系统部连接。在打开或者闭合笔记本电脑时，显示部与系统部相对转动，从而带动转动臂转动，使得扭力轴转动，用户需要提供一定的扭力克服铰链提供的阻力才能实现笔记本电脑的开合。
为了使用户能够单手打开笔记本电脑，就需要使在打开的过程中铰链产生的阻力较小。为了使笔记本电脑的显示部与系统部能够保持在较小的角度而不自发的合上，就需要使在闭合的过程中铰链产生的阻力较大。而相关技术中的铰链在笔记本电脑开合的过程中提供的阻力是一样大的，导致在设计笔记本电脑时无法兼顾这两种设计目的，也即无法达到开轻闭重的功能。
发明内容
本公开实施例提供了一种铰链和电子设备。所述技术方案如下：
一方面，本公开提供了一种铰链，所述铰链包括安装座、两个扭力轴、弹性结构和两个转动臂；所述两个扭力轴和所述弹性结构均安装在所述安装座上，且所述弹性结构位于所述两个扭力轴之间，所述两个转动臂和所述两个扭力轴一一对应连接；所述两个扭力轴的侧壁均具有凸块，且所述凸块位于所属的扭力轴靠近所述弹性结构的一侧，所述两个扭力轴的凸块分别所述与弹性结构接触；所述弹性结构被配置为，通过所述凸块向所述扭力轴施加作用力，使所述 两个转动臂具有彼此远离的转动趋势。
在本公开实施例的一种实现方式中，所述弹性结构包括导向件、滑块和弹性件；所述导向件与所述安装座固定连接；所述滑块与所述导向件连接，且可沿所述导向件滑动，所述凸块与所述滑块接触；所述弹性件用于向所述滑块提供弹力，所述弹力沿向所述凸块靠近的方向。
在本公开实施例的一种实现方式中，所述滑块的表面具有两个推动槽，所述两个推动槽位于所述滑块靠近所述凸块的表面，且位于所述滑块相对的两侧边处，所述两个推动槽沿所述两个扭力轴排列的方向排布，所述两个扭力轴的凸块分别位于所述两个推动槽中。
在本公开实施例的一种实现方式中，所述两个推动槽的底面均为斜面，所述凸块与所述斜面接触。
在本公开实施例的一种实现方式中，所述滑块中部具有导向孔，所述导向孔位于所述两个推动槽之间；所述导向件包括导向杆，所述导向杆至少一端与所述安装座连接，且位于所述导向孔中。
在本公开实施例的一种实现方式中，所述滑块包括主体部和两个凸起部；所述两个推动槽位于所述主体部相对的两侧边处；所述两个凸起部位于所述主体部相对的两侧，且位于所述两个推动槽之间，并与所述主体部连接；所述两个凸起部均具有导向孔；所述导向件包括两个导向杆，所述两个导向杆的至少一端与所述安装座固定连接，所述两个导向杆分别位于所述两个凸起部的导向孔中。
在本公开实施例的一种实现方式中，所述导向杆的侧壁具有第一限位凸起，所述第一限位凸起位于所述滑块靠近所述凸块的一侧。
在本公开实施例的一种实现方式中，所述弹性件位于所述安装座和所述滑块之间，且位于所述滑块远离所述第一限位凸起的一侧，所述弹性件处于压缩状态；或者，所述弹性件位于所述滑块靠近所述第一限位凸起的一侧，所述弹性件处于拉伸状态。
在本公开实施例的一种实现方式中，所述导向件包括底座，所述底座具有容纳槽，所述容纳槽位于所述底座靠近所述凸块的一侧；所述滑块部分位于所述容纳槽中，部分位于所述容纳槽外，且能够相对所述底座伸缩；所述弹性件位于所述容纳槽中。
在本公开实施例的一种实现方式中，所述容纳槽的侧壁具有第二限位凸起，所述滑块的侧壁具有第三限位凸起，所述第三限位凸起位于所述容纳槽中，且位于所述第二限位凸起远离所述凸块的一侧；在与所述滑块的伸缩方向垂直的平面上，所述第二限位凸起的正投影和所述第三限位凸起的正投影至少部分重叠。
在本公开实施例的一种实现方式中，所述弹性件为弹簧。
在本公开实施例的一种实现方式中，所述铰链还包括两个滑动板和固定块，所述固定块位于所述安装座中，且位于所述扭力轴的端部，所述固定块具有两个弧形滑道，所述滑动板包括滑动主体和弧形臂，所述滑动主体与所述弧形臂的一端连接，所述两个滑动板的弧形臂分别位于所述两个弧形滑道中，所述两个滑动板的滑动主体分别与所述两个转动臂连接。
在本公开实施例的一种实现方式中，所述滑动主体具有条形滑槽，所述转动臂靠近所述滑动板的一侧具有连接滑块，所述两个转动臂的连接滑块分别位于所述两个滑动板的条形滑槽中。
在本公开实施例的一种实现方式中，所述铰链还包括同步轴和固定座，所述同步轴和所述固定座均位于所述安装座中，所述同步轴的中部与所述固定座转动连接，所述固定座与所述安装座连接；所述同步轴位于所述两个扭力轴之间，且与所述两个扭力轴垂直；所述同步轴的第一端具有第一同动齿轮，所述同步轴的第二端具有第二同动齿轮，所述第一同步齿轮与所述两个扭力轴中的一个传动连接，所述第二同步齿轮与所述两个扭力轴中的另一个传动连接。
在本公开实施例的一种实现方式中，所述固定座的中部具有安装通槽，所述同步轴位于所述安装通槽中，所述第一同动齿轮和所述第二同动齿轮位于所述固定座相反的两侧。
在本公开实施例的一种实现方式中，所述扭力轴包括主轴和阻尼结构，所述阻尼结构包括第一端面凸轮、第二端面凸轮、第一轴向限位件、第二轴向限位件和第二弹性件；所述第一轴向限位件、所述第一端面凸轮、第二端面凸轮、所述第二弹性件和所述第二轴向限位件依次套设在所述主轴外，且所述第一端面凸轮的端面与所述第二端面凸轮的端面形成配合；两个所述扭力轴的第一端面凸轮的侧壁连接。
在本公开实施例的一种实现方式中，所述阻尼结构还包括摩擦片，所述摩 擦片套在所述主轴外，所述摩擦片位于以下至少一处：所述第一轴向限位件和所述第一端面凸轮之间；所述第二端面凸轮和所述第二弹性件之间；所述第二弹性件和所述第二轴向限位件之间。
另一方面，本公开提供了一种电子设备，所述电子设备包括上一方面任一项所述的铰链。
在本公开实施例的一种实现方式中，所述电子设备为笔记本电脑。
本公开实施例提供的技术方案带来的有益效果至少包括：
将铰链应用于笔记本电脑时，两个转动臂分别与笔记本的系统端和显示端连接。在闭合笔记本电脑时，两个转动臂相向转动，由于两个转动臂和两个扭力轴一一对应连接，两个扭力轴也会分别跟随两个转动臂转动，弹性结构被配置为向凸块施加作用力，使两个转动臂具有彼此远离的转动趋势，此时弹性结构对转动臂施加的力为阻力，用户在打开笔记本电脑时，需要克服弹性结构的阻力才能够将笔记本电脑合上，使得笔记本电脑可以在较小的角度仍然不闭合。在打开笔记本电脑时，两个转动臂朝彼此远离的方向转动，此时弹性结构对转动臂施加的力为助力，用户在打开笔记本电脑时，弹性结构可以提供一部分阻力，只需要使用较小的力就能够打开笔记本电脑。也即实现笔记本电脑的开轻闭重的功能。
附图说明
为了更清楚地说明本公开实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本公开实施例提供的一种铰链的结构示意图；
图2是图1中铰链的主视结构示意图；
图3是本公开实施例提供的一种铰链的结构示意图；
图4是图3中铰链的主视结构示意图；
图5是本公开实施例提供的一种阻尼结构的结构示意图；
图6是本公开实施例提供的一种阻尼结构的结构示意图；
图7是本公开实施例提供的一种第一端面凸轮和第二端面凸轮的配合示意图；
图8是本公开实施例提供的一种安装座的结构示意图；
图9是本公开实施例提供的一种安装座的爆炸结构示意图；
图10是本公开实施例提供的一种铰链的爆炸结构示意图；
图11是本公开实施例提供的一种铰链的结构示意图；
图12是本公开实施例提供的一种铰链的结构示意图；
图13是图11所示的铰链处于闭合状态时的结构示意图；
图14是图12所示的铰链处于闭合状态时的结构示意图；
图15是本公开实施例提供的一种滑动板和固定块配合的结构示意图；
图16是本公开实施例提供的一种铰链的结构示意图；
图17是本公开实施例提供的一种滑动板和固定块配合的结构示意图；
图18是本公开实施例提供的一种同步轴和固定座的爆炸结构示意图；
图19是本公开实施例提供的一种同步轴和固定座的配合结构示意图；
图20是本公开实施例提供的一种滑块的结构示意图；
图21是本公开实施例提供的一种滑块的结构示意图；
图22是本公开实施例提供的一种导向杆的结构示意图；
图23是本公开实施例提供的一种弹性结构的结构示意图。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚，下面将结合附图对本公开实施方式作进一步地详细描述。
图1是本公开实施例提供的一种铰链的结构示意图。参见图1，铰链包括安装座10、两个扭力轴20、弹性结构30和两个转动臂40。两个扭力轴20和弹性结构30均安装再安装座10上，且弹性结构30位于两个扭力轴20之间，两个转动臂40和两个扭力轴20一一对应连接。两个扭力轴20的侧壁均具有凸块201，且凸块201位于所属的扭力轴20靠近弹性结构30的一侧，两个扭力轴20的凸块201分别与弹性结构30接触。弹性结构30被配置为，通过凸块201向扭力轴20施加作用力，使两个转动臂40具有彼此远离的转动趋势。其中，弹性结 构30通过凸块201向扭力轴20施加作用力，使两个转动臂40具有彼此远离的转动趋势，是指，两个扭力轴20受到的由弹性结构30提供的力矩方向相反，且两个转动臂40在由弹性结构30提供的力矩的作用下转动时，两个转动臂40远离扭力轴20的一端相互远离。
在本公开实施例中，安装座10为扭力轴20和弹性结构30提供安装空间，转动臂40在转动时，带动与转动臂40连接的部件转动，例如，转动臂40带动笔记本的系统端和显示端转动，实现笔记本的打开与关闭。
将铰链应用于笔记本电脑时，两个转动臂40分别与笔记本的系统端和显示端连接。在闭合笔记本电脑时，两个转动臂40相向转动，由于两个转动臂40和两个扭力轴20一一对应连接，两个扭力轴20也会分别跟随两个转动臂40转动，弹性结构30被配置为向凸块201施加作用力，使两个转动臂40具有彼此远离的转动趋势，此时弹性结构30对转动臂40施加的力为阻力，用户在打开笔记本电脑时，需要克服弹性结构30的阻力才能够将笔记本电脑合上，使得笔记本电脑可以在较小的角度仍然不闭合。在打开笔记本电脑时，两个转动臂朝彼此远离的方向转动，此时弹性结构对转动臂40施加的力为助力，用户在打开笔记本电脑时，弹性结构30可以提供一部分阻力，只需要使用较小的力就能够打开笔记本电脑。也即实现笔记本电脑的开轻闭重的功能。
图2是图1中铰链的主视结构示意图。其中，图1和图2中的铰链均处于打开状态，此时两个转动臂40的夹角为180度。参见图1和图2，两个转动臂40沿第一方向a排布，两个扭力轴20均沿第二方向b延伸，其中，弹性结构30对凸块201施加的作用力F的方向为第三方向c，其中，第一方向a、第二方向b和第三方向c两两相互垂直。
图3是本公开实施例提供的一种铰链的结构示意图。参见图3，铰链处于半打开状态。图4是图3中铰链的主视结构示意图。参见图3和图4，此时两个转动臂40的夹角小于180度。
图5是本公开实施例提供的一种阻尼结构的结构示意图。参见图5，扭力轴20包括主轴202和阻尼结构203，其中，阻尼结构203用于在铰链开合的过程中提供阻力。在打开或者闭合笔记本电脑时，显示部与系统部相对转动，从而带动转动臂40转动，使得扭力轴20转动，用户需要提供一定的扭力克服阻尼结构203提供的阻力才能实现笔记本电脑的开合。
图6是本公开实施例提供的一种阻尼结构的结构示意图。参见图5和图6，阻尼结构203包括第一端面凸轮231、第二端面凸轮232、第一轴向限位件233、第二轴向限位件234和第二弹性件235。
第一轴向限位件233、第一端面凸轮231、第二端面凸轮232、第二弹性件235和第二轴向限位件234依次套设在主轴202(图5未示出)外，且第一端面凸轮231的端面与第二端面凸轮232的端面形成配合，两个扭力轴20的第一端面凸轮231的侧壁连接。
在本公开实施例中，第一轴向限位件233、第一端面凸轮231、第二端面凸轮232、第二弹性件235和第二轴向限位件234均套设在主轴202上，在主轴202转动时，会带动第二端面凸轮232转动，由于两个扭力轴20的第一端面凸轮231的侧壁连接，所以第一端面凸轮231不会转动。第一端面凸轮231和第二端面凸轮232的啮合关系会发生变化，同时第一轴向限位件233和第二端面凸轮232之间有第二弹性件235，在第二端面凸轮232转动时，使得第二弹性件235压缩。使得用户需要提供一定的扭力克服阻尼结构203提供的阻力才能实现笔记本电脑的开合。
再次参见图6，阻尼结构203还包括摩擦片236，摩擦片236套在主轴202外，摩擦片236位于第一轴向限位件233和第一端面凸轮231之间。在铰链开合的过程中，第一轴向限位件233和第一端面凸轮231之间难免会产生摩擦力，在第一轴向限位件233和第一端面凸轮231之间布置摩擦片236，可以减小摩擦力，减小第一轴向限位件233和第一端面凸轮231损坏的可能性。同时摩擦片236与第一轴向限位件233之间，摩擦片236与第一轴向限位件233之间均具有摩擦力，阻止主轴202的转动，增大用户打开和闭合笔记本时需要提供的力。
再次参见图6，第二端面凸轮232和第二弹性件235之间同样具有摩擦片236，可以减小第二端面凸轮232和第二弹性件235损坏的可能性，同时增大用户打开和闭合笔记本时需要提供的力。
再次参见图6，第二弹性件235和第二轴向限位件234之间同样具有摩擦片236，可以减小第二弹性件235和第二轴向限位件234损坏的可能性，同时增大用户打开和闭合笔记本时需要提供的力。
在本公开实施例中，两个扭力轴20的第一端面凸轮231可以单独制作，然后将两个第一端面凸轮231的侧壁连接起来。在其他实现方式中，两个第一端 面凸轮231可以一体成型制作完成。
再次参见图6，阻尼结构203还包括限位片237，限位片237套设主轴202上，且限位片237位于第一端面凸轮231和第一轴向限位件233(图6未示出)之间，限位片237与第一端面凸轮231的侧壁连接，限位片237与第一端面凸轮231之间，以及限位片237与第一轴向限位件233之间均具有摩擦片236。由于限位片237与第一端面凸轮231的侧壁连接，在主轴202转动时，第一端面凸轮231不转动，限位片237也不会转，使得限位片237两侧的摩擦片236与限位片307产生摩擦力，增大用户打开和闭合笔记本时需要提供的力。
图7是本公开实施例提供的一种第一端面凸轮和第二端面凸轮的配合示意图。参见图7，第一端面凸轮231的侧壁上具有限位孔2311，限位片237上具有与限位孔2311对应的限位凸起，限位片237上的限位凸起位于限位孔2311中，从而将限位片237与第一端面凸轮231的侧壁连接起来。
图8是本公开实施例提供的一种安装座的结构示意图。参见图8，安装座10包括安装底座101和安装盖板102，安装底座101和安装盖板102之间形成安装腔体100。扭力轴20和弹性结构30位于安装腔体100内。
图9是本公开实施例提供的一种安装座的爆炸结构示意图。参见图9，安装底座101中具有第一安装孔103。
图10是本公开实施例提供的一种铰链的爆炸结构示意图。参见图10，安装座10还包括连接螺杆104，连接螺杆104穿过第一安装孔103与安装盖板102螺纹连接，也即安装底座101和安装盖板102通过第一安装孔103和连接螺杆104连接起来。
图11是本公开实施例提供的一种铰链的结构示意图。参见图11，铰链还包括两个滑动板50和固定块60。固定块60位于安装座10中，且位于扭力轴20的端部，固定块60具有两个弧形滑道601。滑动板50包括滑动主体501和弧形臂502，滑动主体501与弧形臂502的一端连接，两个滑动板50的弧形臂502分别位于两个弧形滑道601中，两个滑动板50的滑动主体501分别与两个转动臂40连接。该铰链应用于柔性笔记本电脑时，两个滑动主体501分别与笔记本电脑的系统端和显示端连接。
在本公开实施例中，转动臂40转动时，带动与转动臂40连接的滑动主体501转动，在滑动主体501转动时，滑动主体501的转动中心是变化的，弧形臂 502在弧形滑道601中滑动，弧形臂502相对于转动臂40滑动。
再次参见图11，滑动主体501上具有第二安装孔503，滑动主体501可以通过第二安装孔503与笔记本电脑的系统端和显示端连接。
示例性地，一个滑动主体501上具有两个第二安装孔503。
参见图11，固定块60上具有固定凸起602，安装底座101上具有与固定凸起602对应的第三安装孔105，连接螺杆104穿过第三安装孔105与固定凸起602螺纹连接，也即安装底座101和固定块60通过第三安装孔105和连接螺杆104连接起来。
图12是本公开实施例提供的一种铰链的结构示意图。参见图12，固定块60位于安装底座101和安装盖板102之间的安装腔体100内。
图11和图12所示的铰链均处于打开状态。图13是图11所示的铰链处于闭合状态时的结构示意图。图14是图12所示的铰链处于闭合状态时的结构示意图。参见图13和图14，当铰链处于闭合状态时，一部分弧形臂502从弧形滑道601中滑出。
图15是本公开实施例提供的一种滑动板和固定块配合的结构示意图。参见图15，滑动主体501具有条形滑槽511。
图16是本公开实施例提供的一种铰链的结构示意图。参见图16，转动臂40靠近滑动板50的一侧具有连接滑块401，两个转动臂40的连接滑块401分别位于两个滑动板50的条形滑槽511中。
在本公开实施例中，由于转动臂40在转动的过程中，转动臂40的转动中心是不变的，滑动主体501在转动时的转动中心是变化的，滑动主体501和转动臂40之间的相对位置会发生变化。在滑动主体501上布置条形滑槽511，在转动臂40和滑动主体501转动时，连接滑块401在条形滑槽511中滑动，使得转动臂40与滑动主体501既能够连接起来，又能够相互滑动。
在图15中，两个滑动主体501处于打开状态，图17是本公开实施例提供的一种滑动板和固定块配合的结构示意图。参见图17，两个滑动主体501处于闭合状态。
再次参见图10，铰链还包括同步轴70和固定座80，同步轴70和固定座80均位于安装座10中，同步轴70的中部与固定座80转动连接，固定座80与安装座10连接。同步轴70位于两个扭力轴20之间，且与两个扭力轴20垂直。
在本公开实施例中，同步轴70可以使得两个扭力轴20的转动同步。
图18是本公开实施例提供的一种同步轴和固定座的爆炸结构示意图。参见图18，同步轴70的第一端具有第一同动齿轮701，同步轴70的第二端具有第二同动齿轮702，第一同步齿轮701与两个扭力轴20中的一个传动连接，第二同步齿轮702与两个扭力轴20中的另一个传动连接。
在本公开实施例中，两个扭力轴20中的一个扭力轴20转动时，带动第一同动齿轮701转动，第一同动齿轮701带动第二同动齿轮702转动，第二同动齿轮702带动两个扭力轴20中的另一个扭力轴20转动，从而保证两个扭力轴20同步转动。
示例性地，两个扭力轴20上均套设有第三同动齿轮204，两个扭力轴20上的第三同动齿轮20分别与第一同动齿轮701和第二同动齿轮702啮合。
在本公开实施例中，扭力轴20的中部为方形柱，凸块201、第三同动齿轮204和转动臂40中供扭力轴20穿过的孔均为方形孔，方形柱位于方形孔中，从而在转动臂40转动时，凸块201、第三同动齿轮204和扭力轴20可以一起转动。
图19是本公开实施例提供的一种同步轴和固定座的配合结构示意图。参见图19，固定座80的中部具有安装通槽801，同步轴70位于安装通槽801中，第一同动齿轮701和第二同动齿轮702位于固定座80相反的两侧。
在本公开实施例中，在两个扭力轴20转动时，同步轴70会转动，在固定座80的中部布置安装通槽801，且第一同动齿轮701和第二同动齿轮702位于固定座80相反的两侧，既能保证同步轴70的稳固性，又能保证同步轴70能够转动。
再次参见图18和图19，固定座80上具有两个扭力轴通孔802，两个扭力轴20分别穿过两个扭力轴通孔802。两个扭力轴通孔802，两个扭力轴20分别穿过两个扭力轴通孔802。
再次参见图18和图19，固定座80上具有第四安装孔803和第五安装孔804，第四安装孔803和第五安装孔804分别位于安装通槽801的两侧，且均与安装通槽801连通。连接螺杆依次穿过第四安装孔803和第五安装孔804后与安装盖板102连接，从而将固定座80固定在安装底座101和安装盖板102之间的安装空间100内。
再次参见图2和图4，弹性结构30包括导向件301、滑块302和第一弹性 件303。导向件301与安装座10固定连接，滑块302与导向件301连接，且可沿导向件301滑动，凸块201与滑块302接触，第一弹性件303用于向滑块302提供弹力，弹力沿向凸块201靠近的方向。
在本公开实施例中，在铰链闭合时，凸块201对滑块302产生抵压力，滑块302挤压第一弹性件303，使得第一弹性件303向滑块302产生弹力，该弹力沿第三方向c。
示例性地，导向件301沿第三方向c延伸，导向件301的滑动方向与第三方向c平行。
图20是本公开实施例提供的一种滑块的结构示意图。参见图20，滑块302的表面具有两个推动槽321，两个推动槽321位于滑块302靠近凸块201的表面，且位于滑块302相对的两侧边处，两个推动槽321沿两个扭力轴20排列的方向排布，两个扭力轴20的凸块201分别位于两个推动槽321中。
在本公开实施例中，在滑块302上布置推动槽321，用于放置凸块201。
在本公开实施例的一种实现方式中，两个推动槽321的底面均为斜面322，凸块201与斜面322接触。其中，两个推动槽321的底面靠近凸块201的一端的距离，大于两个推动槽321的底面远离凸块201的一端的距离。
在其他实现方式中，两个推动槽321的底面可以为平面。
再次参见图20，滑块302包括主体部324和两个凸起部325，两个推动槽321位于主体部324相对的两侧边处，两个凸起部325位于主体部324相对的两侧，且位于两个推动槽321之间，并与主体部324连接。两个凸起部325均具有导向孔323。
再次参见图4，导向件301包括两个导向杆311，两个导向杆311的至少一端与安装座10固定连接，两个导向杆311分别位于两个凸起部325的导向孔323中。
在本公开实施例中，主体部324用于布置推动槽321，两个凸起部325用于安装两个导向杆311，同时两个导向杆311也可以用于安装滑块302，保证滑块302的稳定性。
在图20中，滑块302包括两个导向孔323。在其他实现方式中，滑块302可以包括一个导向孔323。
图21是本公开实施例提供的一种滑块的结构示意图。参见图21，滑块302 中部具有导向孔323，导向孔323位于两个推动槽321之间。导向件301包括导向杆311，导向杆311至少一端与安装座10连接，且位于导向孔323中。
图22是本公开实施例提供的一种导向杆的结构示意图。参见图22，导向杆311的侧壁具有第一限位凸起312，第一限位凸起312位于滑块302靠近凸块201的一侧。
在本公开实施例中，第一限位凸起312用于限制滑块302的滑动，避免滑块302从导向杆311中滑出。
再次参见图9和图10，安装底座101上具有螺纹凹槽106，导向杆311与螺纹凹槽106螺纹连接。
在本公开实施例的一种实现方式中，第一弹性件303位于安装座10和滑块302之间，且位于滑块302远离第一限位凸起312的一侧，第一弹性件303处于压缩状态。弹力为压缩状态的第一弹性件303提供的。
在本公开实施例的另一种实现方式中，第一弹性件303位于滑块302靠近第一限位凸起312的一侧，第一弹性件303处于拉伸状态。弹力为拉伸状态的第一弹性件303提供的。
在本公开实施例中，第一弹性件303为弹簧。
上述弹性结构为一种结构。在其他实现方式中，弹性结构还可以为其他结构。图23是本公开实施例提供的一种弹性结构的结构示意图。参见图23，导向件301包括底座313，底座313具有容纳槽314，容纳槽314位于底座313靠近凸块201的一侧。滑块302部分位于容纳槽314中，部分位于容纳槽314外，且能够相对底座313伸缩，第一弹性件303位于容纳槽314中。
在本公开实施例中，滑块302在容纳槽314中滑动对第一弹性件303产生抵压，使得第一弹性件303产生弹力。
再次参见图23，容纳槽314的侧壁具有第二限位凸起315，滑块302的侧壁具有第三限位凸起326，第三限位凸起326位于容纳槽314中，且位于第二限位凸起315起远离凸块201的一侧。在与滑块302的伸缩方向垂直的平面上，第二限位凸起315的正投影和第三限位凸起326的正投影至少部分重叠。
在本公开实施例中，第二限位凸起315和第三限位凸起326用于限制滑块302的滑动，避免滑块302从容纳槽314中滑出。
本公开实施例还提供了一种电子设备，电子设备包括上述的铰链。
在具体实施时，本公开实施例提供的电子设备可以为手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
示例性地，电子设备为笔记本电脑。
以上所述仅为本公开的可选实施例，并不用以限制本公开，凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。

Claims (19)

  1. 一种铰链，其特征在于，所述铰链包括安装座(10)、两个扭力轴(20)、弹性结构(30)和两个转动臂(40)；
    所述两个扭力轴(20)和所述弹性结构(30)均安装在所述安装座(10)上，且所述弹性结构(30)位于所述两个扭力轴(20)之间，所述两个转动臂(40)和所述两个扭力轴(20)一一对应连接；
    所述两个扭力轴(20)的侧壁均具有凸块(201)，且所述凸块(201)位于所属的扭力轴(20)靠近所述弹性结构(30)的一侧，所述两个扭力轴(20)的凸块(201)分别所述与弹性结构(30)接触；
    所述弹性结构(30)被配置为，通过所述凸块(201)向所述扭力轴(20)施加作用力，使所述两个转动臂(40)具有彼此远离的转动趋势。
  2. 根据权利要求1所述的铰链，其特征在于，所述弹性结构(30)包括导向件(301)、滑块(302)和第一弹性件(303)；
    所述导向件(301)与所述安装座(10)固定连接；
    所述滑块(302)与所述导向件(301)连接，且可沿所述导向件(301)滑动，所述凸块(201)与所述滑块(302)接触；
    所述第一弹性件(303)用于向所述滑块(302)提供弹力，所述弹力沿向所述凸块(201)靠近的方向。
  3. 根据权利要求2所述的铰链，其特征在于，所述滑块(302)的表面具有两个推动槽(321)，所述两个推动槽(321)位于所述滑块(302)靠近所述凸块(201)的表面，且位于所述滑块(302)相对的两侧边处，所述两个推动槽(321)沿所述两个扭力轴(20)排列的方向排布，所述两个扭力轴(20)的凸块(201)分别位于所述两个推动槽(321)中。
  4. 根据权利要求3所述的铰链，其特征在于，所述两个推动槽(321)的底面均为斜面(322)，所述凸块(201)与所述斜面(322)接触。
  5. 根据权利要求3所述的铰链，其特征在于，所述滑块(302)中部具有导向孔(323)，所述导向孔(323)位于所述两个推动槽(321)之间；
    所述导向件(301)包括导向杆(311)，所述导向杆(311)至少一端与所述安装座(10)连接，且位于所述导向孔(323)中。
  6. 根据权利要求3所述的铰链，其特征在于，所述滑块(302)包括主体部(324)和两个凸起部(325)；
    所述两个推动槽(321)位于所述主体部(324)相对的两侧边处；
    所述两个凸起部(325)位于所述主体部(324)相对的两侧，且位于所述两个推动槽(321)之间，并与所述主体部(324)连接；
    所述两个凸起部(325)均具有导向孔(323)；
    所述导向件(301)包括两个导向杆(311)，所述两个导向杆(311)的至少一端与所述安装座(10)固定连接，所述两个导向杆(311)分别位于所述两个凸起部(325)的导向孔(323)中。
  7. 根据权利要求5或6所述的铰链，其特征在于，所述导向杆(311)的侧壁具有第一限位凸起(312)，所述第一限位凸起(312)位于所述滑块(302)靠近所述凸块(201)的一侧。
  8. 根据权利要求7所述的铰链，其特征在于，所述第一弹性件(303)位于所述安装座(10)和所述滑块(302)之间，且位于所述滑块(302)远离所述第一限位凸起(312)的一侧，所述第一弹性件(303)处于压缩状态；或者，
    所述第一弹性件(303)位于所述滑块(302)靠近所述第一限位凸起(312)的一侧，所述第一弹性件(303)处于拉伸状态。
  9. 根据权利要求2至4任一项所述的铰链，其特征在于，所述导向件(301)包括底座(313)，所述底座(313)具有容纳槽(314)，所述容纳槽(314)位于所述底座(313)靠近所述凸块(201)的一侧；
    所述滑块(302)部分位于所述容纳槽(314)中，部分位于所述容纳槽(314)外，且能够相对所述底座(313)伸缩；
    所述第一弹性件(303)位于所述容纳槽(314)中。
  10. 根据权利要求9所述的铰链，其特征在于，所述容纳槽(314)的侧壁具有第二限位凸起(315)，所述滑块(302)的侧壁具有第三限位凸起(326)，所述第三限位凸起(326)位于所述容纳槽(314)中，且位于所述第二限位凸起(315)起远离所述凸块(201)的一侧；
    在与所述滑块(302)的伸缩方向垂直的平面上，所述第二限位凸起(315)的正投影和所述第三限位凸起(326)的正投影至少部分重叠。
  11. 根据权利要求2至10任一项所述的铰链，其特征在于，所述第一弹性 件(303)为弹簧。
  12. 根据权利要求1至11任一项所述的铰链，其特征在于，所述铰链还包括两个滑动板(50)和固定块(60)，所述固定块(60)位于所述安装座(10)中，且位于所述扭力轴(20)的端部，所述固定块(60)具有两个弧形滑道(601)，
    所述滑动板(50)包括滑动主体(501)和弧形臂(502)，所述滑动主体(501)与所述弧形臂(502)的一端连接，所述两个滑动板(50)的弧形臂(502)分别位于所述两个弧形滑道(601)中，所述两个滑动板(50)的滑动主体(501)分别与所述两个转动臂(40)连接。
  13. 根据权利要求12所述的铰链，其特征在于，所述滑动主体(501)具有条形滑槽(511)，
    所述转动臂(40)靠近所述滑动板(50)的一侧具有连接滑块(401)，所述两个转动臂(40)的连接滑块(401)分别位于所述两个滑动板(50)的条形滑槽(511)中。
  14. 根据权利要求1至13任一项所述的铰链，其特征在于，所述铰链还包括同步轴(70)和固定座(80)，所述同步轴(70)和所述固定座(80)均位于所述安装座(10)中，所述同步轴(70)的中部与所述固定座(80)转动连接，所述固定座(80)与所述安装座(10)连接；
    所述同步轴(70)位于所述两个扭力轴(20)之间，且与所述两个扭力轴(20)垂直；
    所述同步轴(70)的第一端具有第一同动齿轮(701)，所述同步轴的第二端具有第二同动齿轮(702)，所述第一同步齿轮(701)与所述两个扭力轴(20)中的一个传动连接，所述第二同步齿轮(702)与所述两个扭力轴(20)中的另一个传动连接。
  15. 根据权利要求14所述的铰链，其特征在于，所述固定座(80)的中部具有安装通槽(801)，所述同步轴(70)位于所述安装通槽(801)中，所述第一同动齿轮(701)和所述第二同动齿轮(702)位于所述固定座(80)相反的两侧。
  16. 根据权利要求1至15任一项所述的铰链，其特征在于，所述扭力轴(20)包括主轴(202)和阻尼结构(203)，所述阻尼结构(203)包括第一端面凸轮(231)、第二端面凸轮(232)、第一轴向限位件(233)、第二轴向限位件(234) 和第二弹性件(235)；
    所述第一轴向限位件(233)、所述第一端面凸轮(231)、第二端面凸轮(232)、所述第二弹性件(235)和所述第二轴向限位件(234)依次套设在所述主轴(202)外，且所述第一端面凸轮(231)的端面与所述第二端面凸轮(232)的端面形成配合；
    两个所述扭力轴(20)的第一端面凸轮(231)的侧壁连接。
  17. 根据权利要求16所述的铰链，其特征在于，所述阻尼结构(203)还包括摩擦片(236)，所述摩擦片(236)套在所述主轴(202)外，所述摩擦片(236)位于以下至少一处：
    所述第一轴向限位件(233)和所述第一端面凸轮(231)之间；
    所述第二端面凸轮(232)和所述第二弹性件(235)之间；
    所述第二弹性件(235)和所述第二轴向限位件(234)之间。
  18. 一种电子设备，其特征在于，所述电子设备包括如权利要求1至17任一项所述的铰链。
  19. 根据权利要求18所述的电子设备，其特征在于，所述电子设备为笔记本电脑。
PCT/CN2021/134503 2021-11-30 2021-11-30 铰链和电子设备 WO2023097476A1 (zh)

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