CN105370717B - A kind of improved overturning composite structure of structure - Google Patents
A kind of improved overturning composite structure of structure Download PDFInfo
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- CN105370717B CN105370717B CN201510982076.3A CN201510982076A CN105370717B CN 105370717 B CN105370717 B CN 105370717B CN 201510982076 A CN201510982076 A CN 201510982076A CN 105370717 B CN105370717 B CN 105370717B
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- shaft
- locating piece
- gear
- fixedly connected
- plate
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Classifications
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The present invention relates to a kind of improved overturning composite structures of structure, including bending member, first rotating shaft, second shaft, first gear, second gear, first torsion elements, second torsion elements, first movable plate and the second movable plate, one end of bending member offers the first slot, the other end of bending member offers the second slot, first movable plate is fixedly connected with first rotating shaft, first gear is fixedly connected with one end of first rotating shaft, second gear is fixedly connected with one end of the second shaft, first torsion elements are set to the other end of first rotating shaft, second torsion elements are set to the other end of the second shaft, first movable plate is inserted into the first slot, second movable plate is inserted into the second slot, first gear is drivingly connected second gear；The pivot structure is simple, is easy to rotate, and service life is long, and rotational angle can be up to 360 degree；The shaft after opening, is capable of providing good positioning action, ensures that the lid rotated will not naturally drop under the gravity of lid itself, easy to use.
Description
Technical field
The present invention relates to connector technical field more particularly to a kind of improved overturning composite structures of structure.
Background technology
Shaft is a kind of product that can be applied to laptop, tablet computer, mobile phone or the like and need overturning lid
Parts.
Existing pivot structure is unreasonable, and friction coefficient is big, and after multiple overturning, shaft can loosen, and causes rotation tired
Difficulty reduces the service life of shaft.In addition, existing shaft cannot provide good positioning action after opening, rotate
Lid be easy to drop naturally under the gravity of lid itself, it is inconvenient to use.Again, the rotational angle of existing shaft
It is smaller, it is general no more than 120 degree, it cannot meet the needs of users.
It is required in addition, existing shaft cannot achieve complicated multi-functional combination.
Invention content
To overcome drawbacks described above to provide a kind of improved overturning composite structure of structure, the structure is improved to be turned over the present invention
It is simple in structure to turn composite structure, friction coefficient is small, is easy to rotate, and after multiple overturning, shaft will not loosen, and effectively increase
The service life of shaft；In addition, the shaft is after opening, it is capable of providing good positioning action, ensures the lid rotated
It will not naturally drop under the gravity of lid itself, it is easy to use；The rotational angle of the shaft can be up to 360 degree, Neng Gouman
The demand to rotational angle of sufficient user.
To achieve the above object, the present invention adopts the following technical scheme that.
A kind of improved overturning composite structure of structure, including bending member, first rotating shaft, the second shaft, first gear, second
Gear, the first torsion elements, the second torsion elements, the first movable plate and the second movable plate, one end of the bending member offer first
The other end of slot, the bending member offers the second slot, and first movable plate is fixedly connected with the first rotating shaft, institute
The second movable plate to be stated to be fixedly connected with second shaft, the first gear is fixedly connected with one end of the first rotating shaft,
The second gear is fixedly connected with one end of second shaft, and first torsion elements are set to the another of the first rotating shaft
End, second torsion elements are set to the other end of second shaft, and first movable plate is inserted into first slot, described
Second movable plate is inserted into second slot, and the first gear is drivingly connected the second gear.
Wherein, the both sides of first movable plate are arranged with the first power assistant spring and the second power assistant spring, and described first
Power assistant spring and second power assistant spring are fixedly connected with first movable plate respectively, the both sides pair of second movable plate
Claim to be equipped with third power assistant spring and the 4th power assistant spring, the third power assistant spring and the 4th power assistant spring respectively with it is described
Second movable plate is fixedly connected.
Wherein, the outer surface of the bending member opens up fluted, and the groove is equipped with the gold for reinforcing bending member elasticity
Belong to plate, the metallic plate is fixedly connected with the bending member.
Wherein, the both sides in the middle part of the bending member be respectively equipped with the first bending spring and second bending spring, described first
Bending spring is fixedly connected with the both ends of the bending member respectively, and described second bends the spring both ends with the bending member respectively
It is fixedly connected.
Wherein, the first movable straight slot is offered in the middle part of first movable plate, one end of the bending member passes through first
Pin is fixedly connected with first movable plate, and first pin passes through the described first movable straight slot, second movable plate
Middle part offer the second movable straight slot, the other end of the bending member, which passes through the second pin, to be fixed with second movable plate and connects
It connects, second pin passes through the described second movable straight slot.
Wherein, the improved overturning composite structure of the structure further includes third gear and the 4th gear, the first gear
It is engaged with the third gear, the third gear is engaged with the 4th gear, the 4th gear and the second gear
Engagement.
Wherein, the improved overturning composite structure of the structure further includes first end plate and the second end plate, the first rotating shaft
It is pivotally connected respectively with the first end plate with second shaft, the first rotating shaft and second shaft are respectively with described second
End plate is pivotally connected, and the first end plate is set to the outside of the first gear and the second gear, and second end plate is set to institute
State the outside of the first torsion elements and second torsion elements.
Wherein, the first rotating shaft includes the first axle body and the second axle body, and the diameter of the first axle body is more than described the
The diameter of two axis bodies, the diameter of the first axle body are more than the diameter of first torsion elements, and first torsion elements are sheathed on
The second axle body；Second shaft includes third axis body and the 4th axis body, and the diameter of the third axis body is more than described the
The diameter of four axis bodies, the diameter of the third axis body are more than the diameter of second torsion elements, and second torsion elements are sheathed on
4th axis body.
Wherein, the improved overturning composite structure of the structure further includes limiting plate, and the limiting plate is set to the first end
Between plate and second end plate, the first rotating shaft and second shaft are each passed through the limiting plate, described first turn
It is fixedly connected with the first spacing ring on axis, is fixedly connected with the second spacing ring in second shaft, the limiting plate is towards institute
The side for stating the first spacing ring and the second spacing ring is equipped with positive stop strip, and the outer peripheral edge of first spacing ring offers the first limit
The outer peripheral edge of recess, second spacing ring offers the second limit notch, and first limit is inserted into the upper end of the positive stop strip
Second limit notch is inserted into position recess, the lower end of the positive stop strip, and the limiting plate is backwards to first spacing ring and the
The side of two spacing rings is equipped with the first locating piece, the second locating piece, third locating piece and the 4th locating piece, first locating piece
It is fixedly connected respectively with the limiting plate with the third locating piece, the first rotating shaft passes through first locating piece and second
Locating piece, second shaft pass through the third locating piece and the 4th locating piece, second locating piece with described first turn
Axis is fixedly connected, and the 4th locating piece is fixedly connected with second shaft, the both ends of first torsion elements respectively with institute
The second end plate and second locating piece is stated to abut, the both ends of second torsion elements respectively with second end plate and described the
Four locating pieces abut.
Wherein, second locating piece is equipped with the first locating convex block towards the side of first locating piece, and described the
Positioning piece is equipped with the first positioning groove towards the side of second locating piece, and the 4th locating piece is towards the third
The side of locating piece is equipped with the second locating convex block, and the third locating piece is equipped with the towards the side of the 4th locating piece
Two positioning grooves.
Beneficial effects of the present invention are：A kind of improved overturning composite structure of structure of the present invention, including bending member, first
Shaft, the second shaft, first gear, second gear, the first torsion elements, the second torsion elements, the first movable plate and the second movable plate,
One end of the bending member offers the first slot, and the other end of the bending member offers the second slot, first activity
Plate is fixedly connected with the first rotating shaft, and second movable plate is fixedly connected with second shaft, the first gear with
One end of the first rotating shaft is fixedly connected, and the second gear is fixedly connected with one end of second shaft, and described first
Torsion elements are set to the other end of the first rotating shaft, and second torsion elements are set to the other end of second shaft, and described the
One movable plate is inserted into first slot, and second movable plate is inserted into second slot, and the first gear is drivingly connected
The second gear；The improved overturning composite structure of the structure is simple in structure, and friction coefficient is small, is easy to rotate, and is repeatedly overturning
Later, shaft will not loosen, and effectively increase the service life of shaft；In addition, the shaft is after opening, it is capable of providing good
Positioning action, ensure that the lid rotated will not naturally drop under the gravity of lid itself, it is easy to use；The shaft
Rotational angle can disclosure satisfy that the demand to rotational angle of user up to 360 degree.The overturning composite structure is by 4 kinds or more
Absolute construction design, be the 0-360 degree bending structure (i.e. bending member) of tensionless winkler foundation respectively；The gear synchronous of 0-360 degree
Structure (i.e. first gear and second gear)；Rail structure (i.e. the first movable plate and the second activity of free displacement in overturning
Plate)；Can arbitrary adjustment force angle value torque structure (i.e. the first torsion elements and the second torsion elements) etc.；Meet user uses body
It tests.
Description of the drawings
With attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limitation of the invention.
Fig. 1 is a kind of structural schematic diagram of the improved overturning composite structure of structure of the present invention.
Fig. 2 is that Fig. 1 hides the structural schematic diagram after bending member.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples, this is presently preferred embodiments of the present invention.
Embodiment.
As depicted in figs. 1 and 2, the improved overturning composite structure of a kind of structure of the invention, including 1, first turn of bending member
Axis 7, the second shaft 8, first gear 15, second gear 16, the first torsion elements 9, the second torsion elements 10, the first movable plate 5 and
One end of two movable plates 6, the bending member 1 offers the first slot, and the other end of the bending member 1 offers the second slot,
First movable plate 5 is fixedly connected with the first rotating shaft 7, and second movable plate 6 is fixed with second shaft 8 to be connected
It connects, the first gear 15 is fixedly connected with one end of the first rotating shaft 7, the second gear 16 and second shaft 8
One end be fixedly connected, first torsion elements 9 are set to the other end of the first rotating shaft 7, and second torsion elements 10 are set to
The other end of second shaft 8, first movable plate 5 are inserted into first slot, and second movable plate 6 is inserted into described
Second slot, the first gear 15 are drivingly connected the second gear 16.
The principle of the present invention is：The upper end that human hand holds bending member 1 is flipped up, and bending member 1 drives the rotation of the first movable plate 5
Turn, the first movable plate 5 drives first rotating shaft 7 to rotate, and first rotating shaft 7 drives first gear 15 to rotate, and first gear 15 drives the
Two gears 16 rotate in the opposite direction, and second gear 16 drives the rotation of the second shaft 8, the second shaft 8 to drive the second movable plate 6
Rotation, the second movable plate 6 drive the lower end of bending member 1 to downwardly turn over, and after human hand unclamps, the first torsion elements 9 are to first rotating shaft 7
One torsion is provided, first rotating shaft 7 is positioned, the second torsion elements 10 provide another torsion to the second shaft 8, to second
Shaft 8 is positioned, to complete the overturning positioning function of shaft.
From above-mentioned principle it is found that the improved overturning composite structure of the structure is simple in structure, friction coefficient is small, is easy to rotate,
After multiple overturning, shaft will not loosen, and effectively increase the service life of shaft；In addition, the shaft is after opening, energy
Good positioning action is enough provided, ensures that the lid rotated will not naturally drop under the gravity of lid itself, is used
It is convenient；The rotational angle of the shaft can disclosure satisfy that the demand to rotational angle of user up to 360 degree.
The both sides of first movable plate 5 of the present embodiment are arranged with the first power assistant spring 11 and the second power assistant spring, described
First power assistant spring 11 and second power assistant spring are fixedly connected with first movable plate 5 respectively, second movable plate 6
Both sides be arranged with third power assistant spring 12 and the 4th power assistant spring, the third power assistant spring 12 and the 4th power-assisted bullet
Spring is fixedly connected with second movable plate 6 respectively；Above-mentioned four power assistant springs have following two effects：1, in expansion process
In, power-assisted is provided, reduces dynamics needed for expansion, shaft is made to be easier to be unfolded；2, active force is provided so that be bent in bending member 1
First rotating shaft 7 and the second shaft 8 withstand bending member 1 always under state, prevent 8 sideslip of first rotating shaft 7 and the second shaft.
The outer surface of the bending member 1 of the present embodiment opens up fluted, and the groove is equipped with for reinforcing the elasticity of bending member 1
Metallic plate, the metallic plate are fixedly connected with the bending member 1, and the setting structure is simple, are easy to be molded, and can enhance bending member
1 elasticity improves the performance of shaft.
The both sides at the middle part of bending member 1 of the present embodiment are respectively equipped with the first bending spring and the second bending spring, and described the
One bending spring is fixedly connected respectively with the both ends of the bending member 1, it is described second bending spring respectively with the bending member 1
Both ends are fixedly connected, and the setting structure is simple, are easy to be molded, and can enhance the elasticity of bending member 1, improve the performance of shaft.
The middle part of first movable plate 5 of the present embodiment offers the first movable straight slot 13, and one end of the bending member 1 passes through
First pin 2 is fixedly connected with first movable plate 5, and first pin 2 passes through the described first movable straight slot 13, and described the
The middle part of two movable plates 6 offers the second movable straight slot 14, and the other end of the bending member 1 passes through the second pin and described second
Movable plate 6 is fixedly connected, and second pin passes through the described second movable straight slot 14；The setting structure is simple, is easy to be molded,
On the basis of the activity performance for keeping bending member 1, ensure that bending member 1 will not be run from the first movable plate 5 or the second movable plate 6, it can
By property height.
The improved overturning composite structure of structure of the present embodiment further includes third gear and the 4th gear, the first gear
15 engage with the third gear, and the third gear is engaged with the 4th gear, the 4th gear and second tooth
16 engagement of wheel, the setting structure is simple, is easy to be molded, and transmission effect is good.
The improved overturning composite structure of structure of the present embodiment further includes first end plate 3 and the second end plate 4, described first turn
Axis 7 and second shaft 8 are pivotally connected with the first end plate 3 respectively, the first rotating shaft 7 and second shaft 8 respectively with
Second end plate 4 is pivotally connected, and the first end plate 3 is set to the outside of the first gear 15 and the second gear 16, described
Second end plate 4 is set to the outside of first torsion elements 9 and second torsion elements 10；First rotating shaft 7 include the first axle body and
The second axle body, the diameter of the first axle body are more than the diameter of the second axle body, and the diameter of the first axle body is more than described
The diameter of first torsion elements 9, first torsion elements 9 are sheathed on the second axle body；Second shaft 8 includes third axis body
With the 4th axis body, the diameter of the third axis body is more than the diameter of the 4th axis body, and the diameter of the third axis body is more than institute
The diameter of the second torsion elements 10 is stated, second torsion elements 10 are sheathed on the 4th axis body；The setting structure is simple, is easy into
Type is capable of providing suitable torsion countershaft and is positioned, good positioning effect, and reliability is high.
The improved overturning composite structure of structure of the present embodiment further includes limiting plate 17, and the limiting plate 17 is set to described the
Between end plate 3 and second end plate 4, the first rotating shaft 7 and second shaft 8 are each passed through the limiting plate 17,
It is fixedly connected with the first spacing ring 22 in the first rotating shaft 7, the second spacing ring 23 is fixedly connected in second shaft 8,
The limiting plate 17 is equipped with positive stop strip, first spacing ring towards the side of first spacing ring, 22 and second spacing ring 23
22 outer peripheral edge offers the first limit notch, and the outer peripheral edge of second spacing ring 23 offers the second limit notch, described
First limit notch is inserted into the upper end of positive stop strip, and second limit notch, the limit are inserted into the lower end of the positive stop strip
Position plate 17 backwards to first spacing ring, 22 and second spacing ring 23 side be equipped with the first locating piece 20, the second locating piece 18,
Third locating piece 21 and the 4th locating piece 19, first locating piece 20 and the third locating piece 21 respectively with the limiting plate
17 are fixedly connected, and the first rotating shaft 7 passes through first locating piece, 20 and second locating piece 18, second shaft 8 to pass through
21 and the 4th locating piece 19 of the third locating piece, second locating piece 18 are fixedly connected with the first rotating shaft 7, and described
Four locating pieces 19 are fixedly connected with second shaft 8, the both ends of first torsion elements 9 respectively with second end plate 4 and
Second locating piece 18 abuts, and the both ends of second torsion elements 10 are positioned with second end plate 4 and the described 4th respectively
Part 19 abuts；Limiting plate 17, positive stop strip, the first spacing ring 22, the second spacing ring 23, the first limit notch, the second limit notch
It gathers for being limited to first rotating shaft 7 and the second shaft 8, the rotational angle for limiting shaft is 0-180 degree, reliability
It is high；In addition, each locating piece combination torsion elements then play good positioning action, countershaft is positioned, and practicability is good.
Second locating piece 18 of the present embodiment is equipped with the first locating convex block, institute towards the side of first locating piece 20
It states the first locating piece 20 and is equipped with the first positioning groove, 19 court of the 4th locating piece towards the side of second locating piece 18
It is equipped with the second locating convex block to the side of the third locating piece 21, the third locating piece 21 is towards the 4th locating piece
19 side is equipped with the second positioning groove；Further, the quantity of the first positioning groove is 2, and 2 the first positioning grooves exist
It is distributed in 180 degree on first locating piece 20, the quantity of the second positioning groove is 2, and 2 the second positioning grooves are in third locating piece
It is distributed in 180 degree on 21, the setting structure is simple, is easy to be molded, and (can turn in 0 degree (i.e. shaft closed state) and 180 degree
Axis flat) countershaft further positioned, and improves positioning performance, shaft is effectively prevent to loosen, and reliability is high.
It is equipped between first torsion elements of the present embodiment and second locating piece for improving shaft locating effect first
Gasket, first rotating shaft pass through the first gasket, are equipped between the second torsion elements and the 4th locating piece for improving shaft positioning
The second gasket of effect, the second shaft pass through the second gasket；The first riser and second is additionally provided between limiting plate and first end plate to stand
Plate, first rotating shaft are each passed through the first riser and the second riser, and the second shaft is each passed through the first riser and the second riser, the knot
Structure can give first rotating shaft and the second shaft offer holding power to prolong the service life to improve the structural stability of shaft.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
Expand the limitation of range, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. a kind of improved overturning composite structure of structure, it is characterised in that：Including bending member, first rotating shaft, the second shaft, first
Gear, second gear, the first torsion elements, the second torsion elements, the first movable plate and the second movable plate, one end of the bending member are opened
Equipped with the first slot, the other end of the bending member offers the second slot, and first movable plate is solid with the first rotating shaft
Fixed connection, second movable plate are fixedly connected with second shaft, one end of the first gear and the first rotating shaft
It is fixedly connected, the second gear is fixedly connected with one end of second shaft, and first torsion elements are set to described first
The other end of shaft, second torsion elements are set to the other end of second shaft, and first movable plate is inserted into described the
One slot, second movable plate are inserted into second slot, and the first gear is drivingly connected the second gear；Further include
First end plate and the second end plate, the first rotating shaft and second shaft are pivotally connected with the first end plate respectively, and described first
Shaft and second shaft are pivotally connected with second end plate respectively, and the first end plate is set to the first gear and described the
The outside of two gears, second end plate are set to the outside of first torsion elements and second torsion elements；Described first turn
Axis includes the first axle body and the second axle body, and the diameter of the first axle body is more than the diameter of the second axle body, the first axle
The diameter of body is more than the diameter of first torsion elements, and first torsion elements are sheathed on the second axle body；Described second turn
Axis includes third axis body and the 4th axis body, and the diameter of the third axis body is more than the diameter of the 4th axis body, the third axis
The diameter of body is more than the diameter of second torsion elements, and second torsion elements are sheathed on the 4th axis body；It further include limit
Plate, the limiting plate are set between the first end plate and second end plate, the first rotating shaft and second shaft point
Not Chuan Guo the limiting plate, be fixedly connected with the first spacing ring in the first rotating shaft, be fixedly connected in second shaft
Second spacing ring, the limiting plate towards the side of first spacing ring and the second spacing ring be equipped with positive stop strip, described first
The outer peripheral edge of spacing ring offers the first limit notch, and the outer peripheral edge of second spacing ring offers the second limit notch, institute
First limit notch is inserted into the upper end for stating positive stop strip, and second limit notch is inserted into the lower end of the positive stop strip, described
Limiting plate is equipped with the first locating piece, the second locating piece, third positioning backwards to the side of first spacing ring and the second spacing ring
Part and the 4th locating piece, first locating piece and the third locating piece are fixedly connected with the limiting plate respectively, and described
One shaft passes through first locating piece and the second locating piece, second shaft to pass through the third locating piece and the 4th positioning
Part, second locating piece are fixedly connected with the first rotating shaft, and the 4th locating piece is fixedly connected with second shaft,
The both ends of first torsion elements are abutted with second end plate and second locating piece respectively, and the two of second torsion elements
End is abutted with second end plate and the 4th locating piece respectively；Further include third gear and the 4th gear, first tooth
Wheel is engaged with the third gear, and the third gear is engaged with the 4th gear, the 4th gear and second tooth
Wheel engagement.
2. the improved overturning composite structure of a kind of structure according to claim 1, it is characterised in that：First movable plate
Both sides be arranged with the first power assistant spring and the second power assistant spring, first power assistant spring and second power assistant spring point
It is not fixedly connected with first movable plate, the both sides of second movable plate are arranged with third power assistant spring and the 4th power-assisted
Spring, the third power assistant spring and the 4th power assistant spring are fixedly connected with second movable plate respectively.
3. the improved overturning composite structure of a kind of structure according to claim 1, it is characterised in that：Outside the bending member
Surface opens up fluted, and the groove is equipped with metallic plate for reinforcing bending member elasticity, the metallic plate and the bending member
It is fixedly connected.
4. the improved overturning composite structure of a kind of structure according to claim 1, it is characterised in that：In the middle part of the bending member
Both sides be respectively equipped with the first bending spring and second bending spring, it is described first bending spring respectively with the bending member two
End is fixedly connected, and the second bending spring is fixedly connected with the both ends of the bending member respectively.
5. the improved overturning composite structure of a kind of structure according to claim 1, it is characterised in that：First movable plate
Middle part offer the first movable straight slot, one end of the bending member, which passes through the first pin, to be fixed with first movable plate and connects
It connects, first pin passes through the described first movable straight slot, and the second movable straight slot, institute are offered in the middle part of second movable plate
The other end for stating bending member is fixedly connected by the second pin with second movable plate, and second pin passes through described second
Movable straight slot.
6. the improved overturning composite structure of a kind of structure according to claim 1, it is characterised in that：Second locating piece
It is equipped with the first locating convex block towards the side of first locating piece, first locating piece is towards second locating piece
Side is equipped with the first positioning groove, and the 4th locating piece is equipped with the second convex towards the side of the third locating piece
Block, the third locating piece are equipped with the second positioning groove towards the side of the 4th locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982076.3A CN105370717B (en) | 2015-12-22 | 2015-12-22 | A kind of improved overturning composite structure of structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982076.3A CN105370717B (en) | 2015-12-22 | 2015-12-22 | A kind of improved overturning composite structure of structure |
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| CN105370717A CN105370717A (en) | 2016-03-02 |
| CN105370717B true CN105370717B (en) | 2018-07-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523516B (en) * | 2016-11-14 | 2019-01-15 | 苏州三星电子电脑有限公司 | Self-locking rotating shaft and the laptop with the self-locking rotating shaft |
| CN109915475A (en) * | 2019-04-11 | 2019-06-21 | 东莞市劲丰电子有限公司 | Wedge infolding synchronous rotary mechanism |
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| CN2773388Y (en) * | 2005-02-22 | 2006-04-19 | 东莞艺爵包装盒有限公司 | Imporved hidden hinge |
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| CN105370717A (en) | 2016-03-02 |
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