CN206958077U - Pivot device is with using its electronic installation - Google Patents

Pivot device is with using its electronic installation Download PDF

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Publication number
CN206958077U
CN206958077U CN201720624838.7U CN201720624838U CN206958077U CN 206958077 U CN206958077 U CN 206958077U CN 201720624838 U CN201720624838 U CN 201720624838U CN 206958077 U CN206958077 U CN 206958077U
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CN
China
Prior art keywords
pivot device
shaft member
driving member
trace
groove section
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Active
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CN201720624838.7U
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Chinese (zh)
Inventor
蔡宗洋
潘俊晖
徐睿鸿
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Shin Zu Shing Co Ltd
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Shin Zu Shing Co Ltd
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Priority to CN201720624838.7U priority Critical patent/CN206958077U/en
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Abstract

For a kind of pivot device with using its electronic installation, pivot device includes board, first and second shaft member, synchronously moving mechanism, transmission mechanism, sliding equipment and interlinked mechanism.First and second shaft member is articulated in board, and synchronously moving mechanism is located between first and second shaft member.Transmission mechanism includes first and second driving member, and the first driving member is articulated in the second shaft member and is connected in board, and the first driving member is driven the second driving member, the second driving member transmission sliding equipment.Sliding equipment includes chute, and chute has the first groove section, tipper section and the second groove section according to the definition of its bearing of trend, and tipper section tilts relative to first and second groove section.Interlinked mechanism includes trace, rotary shaft and sliding axle, and trace is rotated based on rotary shaft, slides axis connection trace, and sliding axle is arranged in chute.When two plates of electronic installation rotate against between 0 to 360 degree, the keyboard base of keyboard can be driven to move by pivot device, and coupling structure is simplified, efficiency high and cost are low.

Description

Pivot device is with using its electronic installation
Technical field
A kind of electronic installation, more particularly to a kind of pivot device be the utility model is related to using its electronic installation.
Background technology
Traditional notebook computer includes two plates, such as the upper lid with screen and the pedestal with keyboard, upper Gai Yuji Seat is typically only capable in 0 degree of folding between 180 degree.But, now with a kind of notebook computer, it, which can be used as tablet personal computer, makes With the upper lid and pedestal of such a notebook computer can the foldings between 0 degree and 360 degree.Revolved toward each other with pedestal in upper lid When going to 0 degree, upper lid closes each other with pedestal, state when notebook computer is closed as;In upper lid and pedestal each other When between being expanded to about 90 degree to 160 degree relatively, then state when notebook computer uses as;It is upper lid with pedestal that This is relative when being expanded to 360 degree, and upper lid and pedestal can closures reversely with each other, that is to say, that in this case, the screen of upper lid and The keyboard of pedestal all can be towards outside, thus the notebook computer of this state can use as tablet personal computer.But, due to Keyboard under this state is directed towards outside, therefore user, when holding notebook computer, finger can touch the keyboard of projection Or the button of keyboard upper process, and these buttons loosen and can pressed, this can cause overall sense of touch bad, and to by this shape The notebook computer of state is put to be used on the table, and the keyboard or button of projection can contact desktop, is caused using upper not firm.
It is existing it is a kind of it is upper lid and pedestal can between 0 degree and 360 degree folding notebook computer, when it is upper cover it is relative with pedestal When rotation is to special angle, the interlinked mechanism of keyboard can be driven, this interlinked mechanism can make the button on keyboard or keyboard Rise, decline or lock.360 degree are expanded to when this notebook computer is relative and user is considered as tablet personal computer in use, having Stability when helping lift the sense of touch held when using and put use on the table.But in the prior art, to band The transmission system of this dynamic interlinked mechanism is complex and cost is higher.
Utility model content
In view of this, the purpose of this utility model is proposing a kind of pivot device with using its electronic installation, to electronics When two plates of device rotate against between 0 degree to 360 degree, the company of keyboard can be driven by the transmission system of pivot device Motivation structure, and this transmission system not only structure simplify, efficiency high and cost it is low.
In the embodiment of the utility model one, a kind of pivot device include board, the first shaft member, the second shaft member, synchronously moving mechanism, Transmission mechanism, sliding equipment and interlinked mechanism.First shaft member is articulated in board with the second shaft member, and synchronously moving mechanism is located at the first shaft member Between the second shaft member, make the first shaft member same dynamic with opposite rotation direction with the second shaft member.Transmission mechanism includes the first transmission Part and the second driving member, the first driving member are articulated in the second shaft member and are connected in board, and the first driving member is driven the second driving member, And second driving member transmission sliding equipment.Sliding equipment includes chute, and chute has the first groove section according to the definition of its bearing of trend, inclined Chute section and the second groove section.First groove section parallel to the second groove section, tipper section between the first groove section and the second groove section, and Tipper section tilts relative to the first groove section and the second groove section.Interlinked mechanism includes trace, rotary shaft and sliding axle, trace Rotated based on rotary shaft, slide axis connection trace, and sliding axle is arranged in chute.
In the embodiment of the utility model one, axial direction of the first groove section with the second groove section parallel to the second shaft member, second passes First driving member is converted to sliding equipment parallel in the axial direction of the second shaft member by moving part in the axial direction of the second shaft member Movement.
In the embodiment of the utility model one, the first driving member includes the first helical gear, and the second driving member includes second Helical gear, the first helical gear engage the second helical gear.
In the embodiment of the utility model one, the second driving member also includes travelling gear, and sliding equipment also includes rack, passes Moving gear engages the second helical tooth wheel and rack respectively.
In the embodiment of the utility model one, pivot device also includes glide base, wherein, sliding equipment is movably disposed In on glide base, travelling gear is rotationally arranged on glide base.
In the embodiment of the utility model one, pivot device also includes pressing plate, wherein, travelling gear is located in sliding equipment Between pressing plate and glide base.
In the embodiment of the utility model one, rotary shaft is arranged on glide base.
In the embodiment of the utility model one, trace is L-shaped, and rotary shaft is arranged at the center of trace, and sliding axle is set It is placed in one end of trace.
In the embodiment of the utility model one, the other end of trace is provided with slotted hole.
In the embodiment of the utility model one, a kind of electronic installation include the pivot device, the first plate, the second plate with Keyboard base.First plate is fixed in the first shaft member, and the second plate is fixed in the second shaft member, and keyboard base connects trace and can Movably it is arranged on the second plate.
In summary, according to the pivot device that embodiment of the present utility model is proposed with using its electronic installation, when this When the first plate and the second plate of electronic installation rotate against between 0 degree to 360 degree, keyboard can be driven by this pivot device Internal keyboard base movement, and this pivot device not only structure simplify, efficiency high and cost it is low.
Describe detailed features and advantage of the present utility model in detail in embodiments below, its content is enough to make any Skilled in the art realises that technology contents of the present utility model and implement according to this, and content according to disclosed by this specification, Claim and accompanying drawing, it is any skilled person readily understands that the purpose and advantage of the utility model correlation.
Brief description of the drawings
The following drawings only does schematic illustration and explanation to the utility model, does not limit the scope of the utility model.
Fig. 1 show the schematic diagram of the electronic installation of the embodiment of the utility model one.
Fig. 2 show the schematic diagram of the pivot device of the embodiment of the utility model one.
Fig. 3 show the component decomposition explosion figure of Fig. 2 pivot device.
Fig. 4 show Fig. 2 pivot device be in 0 degree when schematic diagram.
Fig. 5 show Fig. 2 pivot device be in 100 degree when schematic diagram.
The schematic diagram when pivot device that Fig. 6 show Fig. 2 is in 180 degree.
Fig. 7 show Fig. 2 pivot device be in 360 degree when schematic diagram.
Label declaration
20 electronic installations
21 first plates
22 second plates
23 keyboard bases
24 connecting shafts
100 pivot devices
110 first shaft member
111 first fixed plates
120 second shaft member
121 second fixed plates
130 boards
140 synchronously moving mechanisms
150 transmission mechanisms
151 first helical gears
152 second helical gears
153 travelling gears
160 sliding equipments
161 chutes
1611 first groove sections
1612 second groove sections
1613 tipper sections
162 racks
170 interlinked mechanisms
171 traces
1711 slotted holes
172 rotary shafts
173 sliding axles
180 glide bases
190 pressing plates.
Embodiment
Fig. 1 is refer to, Fig. 1 show the schematic diagram of the electronic installation 20 of the embodiment of the utility model one.In the present embodiment In, electronic installation 20 is a kind of folding electronic installation, e.g. notebook computer, and this electronic installation 20 can be further 360 degree overturn and form the use aspect of similar tablet personal computer, but not limited to this.Electronic installation 20 includes pivot device 100, first Plate 21, the second plate 22 and keyboard base 23.Pivot device 100 is used to connect the first plate 21 and the second plate 22, makes first The plate 22 of plate 21 and second can be relatively closed to deploy with relative in the range of 0 degree to 360 degree of mutual angle.In this implementation In example, screen can be set in the first plate 21, and keyboard can be set in the second plate 22(It is not shown), but not limited to this.Keyboard base 23 are movably arranged on the second plate 22, and keyboard base 23 is located at the inner side of keyboard, and keyboard base 23 can be relative to Second plate 22 and keyboard are towards left and right(The direction of reference picture 1)It is mobile, when keyboard base 23 is towards when moving left and right, keyboard can be made (Or the button on keyboard)Rise, decline or lock.
For example, keyboard base 23 is provided with plural skewback, and the plural number corresponding to these skewbacks is provided with the inside of keyboard Support column, when keyboard base 23 is towards moving left, each support column can contact each corresponding skewback and rise along skewback, make keyboard(Or Button on keyboard)Related rising;When keyboard base 23 is towards moving right, support column can decline along skewback, make keyboard(Or on keyboard Button)Related decline.Example above is merely to illustrate not for the utility model is limited, on that can make keyboard(Or keyboard On button)The mechanism for rising, declining or locking, refer to prior art, it will not go into details for this specification.
Please again referring concurrently to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 show the signal of the pivot device 100 of the embodiment of the utility model one Figure, Fig. 3 show the component decomposition explosion figure of Fig. 2 pivot device 100, when the pivot device 100 that Fig. 4 show Fig. 2 is in 0 degree Schematic diagram.Pivot device 100 include the first shaft member 110, the second shaft member 120, board 130, synchronously moving mechanism 140, transmission mechanism 150, Sliding equipment 160 and interlinked mechanism 170.First shaft member 110 and the second shaft member 120 are articulated in board 130, and synchronously moving mechanism 140 is set Between the first shaft member 110 and the second shaft member 120, make the first shaft member 110 same with opposite rotation direction with the second shaft member 120 It is dynamic.Wherein, synchronously moving mechanism 140 such as, but not limited to includes four gears, and two of which gear is connected in the first shaft member 110 respectively With in the second shaft member 120, and two other gear is then between both of the aforesaid gear, and this four gears sequentially engage each other And make same to move each other, and the first shaft member 110 and the second shaft member 120 can be driven with dynamic.
As shown in Figure 1, Figure 2 with shown in Fig. 3, one end of the first shaft member 110 is additionally provided with the first fixed plate 111, and the second shaft member 120 one end is additionally provided with the second fixed plate 121, wherein, the first plate 21 is fixed in the first shaft member 110 and the first fixed plate 111, and the second plate 22 is fixed in the second shaft member 120 and the second fixed plate 121.First plate 21 can drive the first shaft member 110 Rotation, and the second plate 22 can drive the second shaft member 120 to rotate, and by synchronously moving mechanism 140, the first shaft member 110 and the second axle Part 120 can be with opposite rotation direction with dynamic(Synchronous rotary).That is, the first plate 21 also can be opposite with the second plate 22 Rotation direction with dynamic.First plate 21 and the second plate 22 can be by the states that close toward each other(That is, 0 degree of mutual angle, this When the first plate 21 contacted face-to-face with the second plate 22, and screen thereon and keyboard are all towards inner side), and be expanded to relatively The state being totally turned over(That is, 360 degree of mutual angle, now the first plate 21 and the second plate 22 be back to back contacts, and thereon Screen is with keyboard all towards outside), when the first plate 21 and the second plate 22 are by 0 degree of rotation of angle to 360 degree of angle, first The shaft member 120 of shaft member 110 and second can also be rotated to 360 degree of states by 0 degree of state synchronized.Further, since be same dynamic relation, because This, when the first shaft member 110 and the second shaft member 120 by 0 degree of rotation to 360 degree when, actually the first shaft member 110 have rotated 180 Degree, and the second shaft member 120 is then synchronous and oppositely have rotated 180 degree.
As shown in Fig. 2 and Fig. 4, transmission mechanism 150 includes the first driving member and the second driving member, and the first driving member is articulated in Second shaft member 120 and board 130 is connected in, the first driving member is driven the second driving member, and the second driving member transmission sliding equipment 160.Sliding equipment 160 includes chute 161, and chute 161 has the first groove section 1611, the second groove section according to the definition of its bearing of trend 1612 with tipper section 1613.First groove section 1611 is located at the first groove section parallel to the second groove section 1612, tipper section 1613 1611 and second between groove section 1612, and tipper section 1613 tilts relative to the first groove section 1611 and the second groove section 1612.Even Motivation structure 170 is included trace 171, rotary shaft 172 and sliding axle 173, trace 171 and rotated based on rotary shaft 172, sliding axle 173 connection traces 171, and sliding axle 173 is arranged in chute 161.
In the present embodiment, the first driving member includes the first helical gear 151, and the second driving member includes the second helical gear 152 with travelling gear 153, and travelling gear 153 is spur gear, but not limited to this.First helical gear 151 is connected in board On 130 and the second helical gear 152 is engaged, also, sliding equipment 160 also includes rack 162, and rack 162 is located at sliding equipment The second helical gear 152 and rack 162 are engaged in 160 side, the both sides of travelling gear 153 respectively.Specifically, first axle is worked as When the shaft member 120 of part 110 and second rotates, board 130 can be driven to be rotated relative to the second shaft member 120, board 130 then drives first Helical gear 151 rotates up in the axle of the second shaft member 120, and now, the first helical gear 151 can drive the second helical gear 152 rotations, and the second helical gear 152 can rotate with nutating gear 153, travelling gear 153 can then move with carry-over bar 162 It is dynamic, jointly drive sliding equipment 160 to move.
In the present embodiment, the first groove section 1611 and the second groove section 1612 are parallel to the axial direction of the second shaft member 120, and rack 162 bearing of trend is also parallel to the axial direction of the second shaft member 120, that is to say, that the second helical gear 152 can be by the first helical tooth 151 rotation in the axial direction of the second shaft member 120 is taken turns, by travelling gear 153 and rack 162, it is flat to be converted to sliding equipment 160 Row is in the movement in the axial direction of the second shaft member 120.
In the present embodiment, pivot device 100 also includes glide base 180 and pressing plate 190, and glide base 180 is arranged at the On two plates 22, sliding equipment 160 is movably arranged on glide base 180, and travelling gear 153 is rotationally arranged at cunning On moving base 180.Also, travelling gear 153 and sliding equipment 160 are located between pressing plate 190 and glide base 180.Pressing plate 190 can allow travelling gear 153 stably to be rotated on glide base 180, also allow for sliding equipment 160 stably in glide base Moved on 180, thereby, travelling gear 153 will not be because of component and in rotation and mobile hour offset with sliding equipment 160.
In the present embodiment, trace 171 is L-shaped, and rotary shaft 172 is arranged at the center of trace 171, and rotary shaft 172 are further disposed upon on glide base 180, and sliding axle 173 is arranged at one end of trace 171, the other end of trace 171 Then it is provided with slotted hole 1711.Keyboard base 23 can then connect one end provided with slotted hole 1711 of trace 171, it is specific and Speech, keyboard base 23 also include connecting shaft 24, and connecting shaft 24 is arranged in slotted hole 1711.When sliding equipment 160 is mobile, It can be relatively moved between sliding axle 173 and chute 161, specifically, chute 161 can be parallel to the axial phase of the second shaft member 120 Moved for the second plate 22, bearing of trend of the sliding axle 173 along chute 161 is moved relative to sliding equipment 160. And sliding axle 173 is in the tipper section 1613 of chute 161 relative to sliding equipment 160 when moving, sliding axle 173 can be inclined The guiding of chute section 1613 and moved towards the axially direction perpendicular to the second shaft member 120 so that trace 171 is based on rotation Axle 172 rotates, and one end provided with slotted hole 1711 of trace 171 also can synchronous rotary.Also, trace 171 passes through key The connecting shaft 24 of disk pedestal 23 and drive keyboard base 23 to move.Wherein, because the major axis of slotted hole 1711 is essentially perpendicular to The axial direction of second shaft member 120, and its short axle is then substantially parallel to the axial direction of the second shaft member 120, therefore work as the base of slotted hole 1711 When rotary shaft 172 rotates, the hole wall at the major axis both ends of slotted hole 1711 will not force in connecting shaft 24, but its short axle both ends Hole wall can force in connecting shaft 24, that is to say, that connecting shaft 24 can't be by axial point perpendicular to the second shaft member 120 Power, and mainly by the axial component parallel to the second shaft member 120, therefore connecting shaft 24 can be parallel to the second shaft member 120 Axial direction move, while drive keyboard base 23 to be moved parallel to the axial direction of the second shaft member 120.
In the present embodiment, pivot device 100 has two groups, but not limited to this.This two groups of pivot devices 100 are intervally installed, And this respective trace 171 of two groups of pivot devices 100 then connects the both sides of keyboard base 23 respectively, to make keyboard base 23 exist It is more smooth steady when mobile.
Referring now to Fig. 5 to Fig. 7, the schematic diagram when pivot device 100 that Fig. 5 show Fig. 2 is in 100 degree, Fig. 6 show Fig. 2 pivot device 100 is in schematic diagram during 180 degree, the schematic diagram when pivot device 100 that Fig. 7 show Fig. 2 is in 360 degree. As shown in figs. 4 and 5, when the first plate 21 and the second plate 22 are expanded to 100 degree relatively by 0 degree, pivot device 100 is by the 0 of Fig. 4 Degree state becomes Fig. 5 100 degree of states.During this, sliding axle 173 is moved to the first groove section by one end of the first groove section 1611 1611 other end(Connect at tipper section 1613), because sliding axle 173 not yet enters tipper section 1613, therefore trace 171 will not rotate, and correspondingly, keyboard base 23 will not also move.
As shown in figs. 5 and 6, when the first plate 21 and the second plate 22 are expanded to 180 degree, pivot device relatively by 100 degree 100 are become Fig. 6 180 degree state by Fig. 5 100 degree of states.During this, sliding axle 173 enter tipper section 1613 and by One end of tipper section 1613(Connect at the first groove section 1611)It is moved to the other end of tipper section 1613(Connect the second groove section At 1612), because sliding axle 173 and tipper section 1613 relatively move, therefore sliding axle 173 can be towards perpendicular to the second shaft member 120 axially direction moves(That is, sliding axle 173 can move closer to the second shaft member 120), and trace 171 can be slided Moving axis 173 drives rotation, and so as to drive connecting shaft 24 to move, and synchronous drive keyboard base 23 moves(It is past from the point of view of Fig. 1 Move right).
As shown in Figures 6 and 7, when the first plate 21 is expanded to 360 degree with the second plate 22 by 180 degree is relative, pivot device 100 are become Fig. 7 360 degree of states by Fig. 6 180 degree state.During this, sliding axle 173 by the second groove section 1612 one end (Connect at tipper section 1613)The other end of the second groove section 1612 is moved to, because sliding axle 173 has left tipper section 1613, therefore trace 171 will not be driven to rotate, correspondingly, keyboard base 23 will not also move.When the first plate 21 and By 360 degree relatively closed to 0 degree, the start principle of pivot device 100 can refer to above-mentioned flow and is reversed two plates 22, also, Keyboard base 23 can the first plate 21 and the second plate 22 by 180 degree it is relatively closed to 100 degree when move backward(Come with Fig. 1 See, be past move left).
In summary, according to the pivot device that embodiment of the present utility model is proposed with using its electronic installation, when this When the first plate and the second plate of electronic installation rotate against between 0 degree to 360 degree, keyboard can be driven by this pivot device Internal keyboard base movement, and this pivot device not only structure simplify, efficiency high and cost it is low.
Although technology contents of the present utility model are disclosed above with preferred embodiment, so it is not limited to this reality With new, any those skilled in the art, make a little change and retouching not departing from spirit of the present utility model, should all contain It is placed in category of the present utility model, therefore the scope of protection of the utility model ought be defined depending on as defined in claim.

Claims (10)

  1. A kind of 1. pivot device, it is characterised in that including:
    One board;
    One first shaft member and one second shaft member, are articulated in the board;
    One synchronously moving mechanism, between first shaft member and second shaft member, make first shaft member and second axle Part is with opposite rotation direction with dynamic;
    One transmission mechanism, including one first driving member and one second driving member, first driving member are articulated in second axle Part and the board is connected in, first driving member is driven second driving member;
    One sliding equipment, second driving member are driven the sliding equipment, wherein, the sliding equipment includes a chute, institute Stating chute and being defined according to its bearing of trend has one first groove section, tipper Duan Yuyi the second groove sections, and the first groove section is parallel In the second groove section, the tipper section is between the first groove section and the second groove section, the tipper section phase Tilted for the first groove section and the second groove section;And
    One interlinked mechanism, including a trace, a rotary shaft and a sliding axle, the trace are rotated based on the rotary shaft, Trace described in the slip axis connection, and the sliding axle is arranged in the chute.
  2. 2. pivot device as claimed in claim 1, wherein, the first groove section is with the second groove section parallel to second axle The axial direction of part, second driving member are converted to rotation of first driving member in the axial direction of second shaft member described Sliding equipment is parallel to the movement in the axial direction of second shaft member.
  3. 3. pivot device as claimed in claim 2, wherein, first driving member includes one first helical gear, and described second Driving member includes one second helical gear, and first helical gear engages second helical gear.
  4. 4. pivot device as claimed in claim 3, wherein, second driving member also includes a travelling gear, the skate machine Structure also includes a rack, and the travelling gear engages second helical gear and the rack respectively.
  5. 5. pivot device as claimed in claim 4, wherein, the pivot device also includes a glide base, and the sliding equipment can Movably it is arranged on the glide base, the travelling gear is rotationally arranged on the glide base.
  6. 6. pivot device as claimed in claim 5, wherein, the pivot device also includes a pressing plate, the travelling gear with it is described Sliding equipment is located between the pressing plate and the glide base.
  7. 7. pivot device as claimed in claim 5, wherein, the rotary shaft is arranged on the glide base.
  8. 8. pivot device as claimed in claim 1, wherein, the trace is L-shaped, and the rotary shaft is arranged at the trace Center, the sliding axle is arranged at one end of the trace.
  9. 9. pivot device as claimed in claim 8, wherein, the other end of the trace is provided with a slotted hole.
  10. A kind of 10. electronic installation, it is characterised in that including:
    Pivot device as described in any one of claim 1 to 9;
    One first plate and one second plate, wherein, first plate is fixed in first shaft member, and second plate is consolidated It is connected to second shaft member;And
    One keyboard base, connect the trace and be movably arranged on second plate.
CN201720624838.7U 2017-06-01 2017-06-01 Pivot device is with using its electronic installation Active CN206958077U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720624838.7U CN206958077U (en) 2017-06-01 2017-06-01 Pivot device is with using its electronic installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720624838.7U CN206958077U (en) 2017-06-01 2017-06-01 Pivot device is with using its electronic installation

Publications (1)

Publication Number Publication Date
CN206958077U true CN206958077U (en) 2018-02-02

Family

ID=61378561

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720624838.7U Active CN206958077U (en) 2017-06-01 2017-06-01 Pivot device is with using its electronic installation

Country Status (1)

Country Link
CN (1) CN206958077U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109445526A (en) * 2018-11-28 2019-03-08 联想(北京)有限公司 A kind of electronic equipment and its driving mechanism
CN110894851A (en) * 2018-09-12 2020-03-20 仁宝电脑工业股份有限公司 Sliding hinge and electronic device with same
CN113108187A (en) * 2021-05-08 2021-07-13 湖南工学院 Combined adjusting bracket for notebook computer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110894851A (en) * 2018-09-12 2020-03-20 仁宝电脑工业股份有限公司 Sliding hinge and electronic device with same
CN109445526A (en) * 2018-11-28 2019-03-08 联想(北京)有限公司 A kind of electronic equipment and its driving mechanism
CN113108187A (en) * 2021-05-08 2021-07-13 湖南工学院 Combined adjusting bracket for notebook computer
CN113108187B (en) * 2021-05-08 2022-12-23 湖南工学院 Combined adjusting bracket for notebook computer

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