CN112128219A - Rotating shaft with light opening and heavy closing - Google Patents
Rotating shaft with light opening and heavy closing Download PDFInfo
- Publication number
- CN112128219A CN112128219A CN202011089877.4A CN202011089877A CN112128219A CN 112128219 A CN112128219 A CN 112128219A CN 202011089877 A CN202011089877 A CN 202011089877A CN 112128219 A CN112128219 A CN 112128219A
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- China
- Prior art keywords
- ratchet
- pawl
- shaft
- sleeve
- opening
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- Legal status (The legal status 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 status listed.)
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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
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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
- F16C11/10—Arrangements for locking
- F16C11/103—Arrangements for locking frictionally clamped
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
- F16F7/023—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together and characterised by damping force adjustment means
- F16F7/026—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together and characterised by damping force adjustment means resulting in the damping effects being different according to direction of rotation
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a light-opening and heavy-closing rotating shaft which comprises a ratchet energy shaft, a sleeve shaft and a torsion sleeve, wherein the torsion sleeve is sleeved on the outer side of the circumference of the sleeve shaft in an interference manner, the sleeve shaft can be sleeved on the outer side of the circumference of the ratchet energy shaft in a unidirectional rotating manner in the circumferential direction, and the sleeve shaft and the torsion sleeve on the sleeve shaft are positioned on the ratchet energy shaft in an axially stopping manner.
Description
Technical Field
The invention relates to a rotating shaft for an opening and closing hinge, in particular to a rotating shaft with light opening and heavy closing.
Background
In the opening and closing structure of a notebook computer and the like, a display screen is connected with a body through a rotating shaft, the display screen and the body are fixedly connected with a relative rotating part on the rotating shaft respectively, so that the display piece is opened and closed, the current rotating shaft is opened under constant force in the opening process of the display screen, the closing is also closed under constant force, the opening speed is low, and the hand feeling is poor.
Disclosure of Invention
In order to overcome the defects, the invention provides the light-on and heavy-off rotating shaft which can realize light-on and heavy-off of the display screen, is convenient to open quickly and is closed stably.
The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides a switch light close heavy pivot, includes ratchet can axle, quill and torsion sleeve, the quill circumference outside is located to torsion sleeve interference cover, and the quill circumferencial direction can one-way pivoted cover locate ratchet can the axle circumference outside, the quill and the last torsion sleeve axial locking of quill are located ratchet can epaxially.
As a further improvement of the invention, one end of the ratchet energy shaft is provided with a step structure which expands outwards in the radial direction, the other end of the ratchet energy shaft is screwed with a nut, one end of the sleeve shaft tightly abuts against the step structure at one end of the ratchet energy shaft, the inner side of the torsion sleeve is provided with a T-shaped jack with one end having an inner diameter larger than that of the other end, the other end of the sleeve shaft tightly abuts against a step surface between two ends of the torsion sleeve, and the end surface of the other end of the torsion sleeve tightly abuts against one end.
As a further improvement of the invention, the torque sleeve is further provided with a friction gasket group, the friction gasket group is formed by stacking at least one of butterfly gaskets, flat gaskets and friction gaskets, at least one of the gaskets in the friction gasket group and the ratchet shaft are in locking positioning in the circumferential direction, and the friction gasket group is tightly clamped between the torque sleeve and the nut.
As a further improvement of the invention, a pawl structure is arranged on the ratchet shaft, a ratchet structure is formed on the sleeve, and the ratchet of the ratchet structure is in one-way clamping positioning with the pawl structure.
As a further improvement of the invention, one end of the pawl structure is rotatably arranged on the circumferential outer side wall of the ratchet energy shaft, the other end of the pawl structure is in one-way clamping with the ratchet of the ratchet wheel structure, the elastic part is also arranged, two ends of the elastic part are respectively connected with the other end of the pawl structure and the ratchet energy shaft, and the elastic part provides elastic holding force for keeping the other end of the pawl in close contact with the ratchet on the ratchet wheel.
As a further improvement of the invention, the elastic member is a pressure spring, the other end of the pawl is provided with a guide post, the circumferential outer side wall of the ratchet shaft is provided with a slot, one end of the pressure spring is inserted into the slot on the ratchet shaft, and the other end of the pressure spring is sleeved on the guide post at the other end of the pawl and tightly abuts against the inner side surface of the other end of the pawl.
As a further improvement of the invention, the outer circumferential side wall of the ratchet shaft is provided with an open slot extending along the generatrix direction, one end of the pawl structure can be rotatably inserted into the open slot, the outer circumferential side wall of the ratchet shaft is also provided with a recessed plane connected with the open slot, one side of the pawl structure forms a plane structure, the other side of the pawl structure forms a curved surface structure, the plane structure on one side of the pawl structure can be exactly flatly attached to the recessed plane of the ratchet shaft, the curved surface structure on the other side of the pawl structure can be exactly connected with the outer circumferential side surface of the ratchet shaft to form a cylindrical surface, and the outer diameter of the cylindrical surface is smaller than the inner diameter of the sleeve shaft.
As a further improvement of the invention, the cross section of an open slot on the circumferential outer side wall of the ratchet shaft is in a C-shaped structure, and the cross section of one end of the pawl structure is a circular arc surface matched with the open slot.
As a further improvement of the invention, an opening seam with one end extending along the generatrix direction is formed on the side wall of the torsion sleeve, a section of crack arrest groove extending along the circumferential direction of the torsion sleeve is formed at the root part of the opening seam, and one side wall of the crack arrest groove is communicated with the opening seam.
As a further improvement of the invention, the outer side of the circumference of the torsion sleeve is a T-shaped structure with one end diameter larger than that of the other end, a non-circular structure used for being connected with the fixed piece is formed at the end with the smaller diameter, and a non-circular structure used for being fixedly connected with the movable piece is formed at one end of the ratchet shaft.
The invention has the beneficial effects that: according to the invention, the sleeve shaft capable of rotating in one direction is sleeved on the ratchet energy shaft, the torsion sleeve is sleeved on the outer side of the sleeve shaft in an interference manner, when the display screen is opened, the sleeve shaft and the torsion tower drum form an integrated structure, the sleeve shaft and the ratchet energy shaft can easily and relatively rotate, so that the display screen can be easily and rapidly opened, when the display screen is closed, the sleeve shaft and the ratchet energy shaft are clamped to form an integrated structure, the sleeve shaft and the torsion sleeve overcome the relatively large friction force between the sleeve shaft and the torsion sleeve to relatively rotate, the effect of opening and closing the display screen is further realized, the display screen can be easily, rapidly opened and stably closed, resistance is provided for the relative rotation of the ratchet energy shaft and the sleeve shaft through the butterfly gasket group, the elastic piece and the like, the stable state keeping of the display screen at any opening angle is realized, and the rotating shaft has a simple structure and a small size and can be used.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
fig. 4 is an exploded view of the present invention.
Detailed Description
Example (b): a switch is light closes heavy pivot which characterized in that: including spine ability axle 1, quill 2 and torque sleeve 3, the 2 circumference outsides of quill are located to 3 interference cover of torque sleeve, and the 1 circumference outsides of spine ability axle can be located to 2 circumferencial directions of quill, the 3 axle 2 of torque sleeve on the quill 2 and are located spine ability epaxial 1 to what the locking was stopped.
During the use, spine can axle 1 fixed mounting on notebook computer's body, torsion sleeve 3 is fixed on the display screen, when rotating the display screen and opening, the cover is coaxial can rotate relatively with spine can axle 1, quill 2 forms an organic whole because of interference fit with torsion sleeve 3, notebook computer display screen can realize easily opening this moment, when the display screen rotates towards closed direction, the cover is coaxial can not rotate relatively with spine can axle 1, the two forms an organic whole, quill 2 and torsion sleeve 3 overcome great frictional force between the two and rotate relatively this moment, the pivot of this structure has realized that notebook computer display screen opens slightly and close heavy effect, can easily open the display screen to arbitrary angle and keep stable state at this angle.
The ratchet can axle 1 one end be formed with radial outer step structure 4 that expands, and ratchet can axle 1 other end spiro union has nut 5, and 2 one end of quill are tight to the step structure 4 of ratchet can axle 1 one end, and 3 inboard formation one end internal diameters of torsion sleeve are greater than the T shape jack of other end internal diameter, and the 2 other ends of quill are tight to on the step face between 3 both ends of torsion sleeve, and 3 other end terminal surfaces of torsion sleeve are tight to nut 5 terminal surface. The stepped structure 4 and the nut 5 form clamping on the sleeve shaft 2 and the torque sleeve 3, so that the axial positioning of the sleeve shaft 2 and the torque sleeve 3 is realized, and relative rotational friction force is provided, and in addition, other structures can also be used for realizing the axial positioning and the rotational friction, for example, two ends of the sleeve shaft 2 and the torque sleeve 3 are aligned and tightly clamped between a step surface and the nut 5, or a circle of radial convex ring is arranged on the ratchet shaft 1, a circle of radial groove is arranged on the inner side of the sleeve shaft 2, the axial positioning is realized through the matching of the radial convex ring and the radial groove, and the sleeve shaft 2 and the torque sleeve 3 also realize the axial positioning through the radial convex ring and the radial groove.
And a friction gasket 16 group 6 is further arranged, the friction gasket 16 group 6 is formed by stacking at least one of a butterfly gasket 14, a flat gasket 15 and a friction gasket 16, at least one of the friction gaskets 16 in the friction gasket 16 group 6 is positioned with the ratchet shaft 1 in a locking manner in the circumferential direction, and the friction gasket 16 group 6 is tightly clamped between the torque sleeve 3 and the nut 5. The friction gaskets 16 set 6 provide axial clamping force for the sleeve shaft 2 and the torque sleeve 3, so that rotation resistance is formed, meanwhile, friction torque force is provided for rotation of the ratchet energy shaft 1, rotation torque force can be provided after the display screen is opened at any angle, so that the display screen is kept at any position, the best gasket which is in contact with the torque sleeve 3 and the nut 5 is circumferentially stopped and arranged on the ratchet energy shaft 1, and the gasket which is in contact with the nut 5 is arranged into the friction gaskets 16 with concave-convex and fluctuated surfaces, so that the loosening effect can be achieved.
The ratchet shaft 1 is provided with a pawl structure 7, the sleeve is provided with a ratchet structure, and the ratchet 8 of the ratchet structure is in one-way clamping positioning with the pawl structure 7. The one-way rotation of the sleeve shaft 2 and the ratchet energy shaft 1 is realized through the matching of the pawl structure 7 and the ratchet wheel structure.
One end of the pawl structure 7 can be rotatably arranged on the outer side wall of the circumference of the ratchet energy shaft 1, the other end of the pawl structure 7 is in one-way clamping with the ratchet 8 of the ratchet wheel structure, an elastic part 9 is further arranged, two ends of the elastic part 9 are respectively connected with the other end of the pawl structure 7 and the ratchet energy shaft 1, and the elastic part 9 provides elastic holding force for keeping the other end of the pawl in close contact with the ratchet 8 on the ratchet wheel. This structure makes pawl structure 7 hide in ratchet structure, be favorable to reducing whole occupation space, elastic component 9 provides the elastic force for the ratchet, make ratchet and 8 laminating states that remain inseparable throughout, pawl and 8 block states that remain stable of ratchet when guaranteeing the reversal, and simultaneously, during corotation, certain rotation frictional force also can exist between pawl and the ratchet 8, realize that the display screen opens the in-process and has a resistance, it is comfortable to feel, and can stabilize in a position after the display screen opens.
The elastic piece 9 is a pressure spring, a guide post is arranged at the other end of the pawl, a slot is formed in the outer side wall of the circumference of the ratchet shaft 1, one end of the pressure spring is inserted into the slot formed in the ratchet shaft 1, and the other end of the pressure spring is sleeved on the guide post at the other end of the pawl and tightly abuts against the inner side surface of the other end of the pawl. The guide post is used for positioning the pressure spring and simultaneously realizes the rotation guide of the pawl.
The outer side wall of the circumference of the ratchet shaft 1 is provided with an open slot 10 extending along the direction of a generatrix thereof, one end of the pawl structure 7 can be rotatably inserted into the open slot 10, the outer side wall of the circumference of the ratchet shaft 1 is also provided with a sunken plane 11 connected with the open slot 10, one side of the pawl structure 7 forms a plane structure, the other side forms a curved surface structure, the plane structure on one side of the pawl structure 7 can be flatly attached on the sunken plane 11 of the ratchet shaft 1, the curved surface structure on the other side of the pawl structure 7 can be connected with the outer side surface of the circumference of the ratchet shaft 1 to form a cylindrical surface, and the outer diameter of the cylindrical surface is smaller than the inner diameter of. This structure can rotate the pawl and play limiting displacement, when avoiding corotation simultaneously, produces and interferes to keep 2 rotations of quill stable, smooth and easy.
The cross section of an open slot 10 on the circumferential outer side wall of the ratchet shaft 1 is of a C-shaped structure, and the cross section of one end of the pawl structure 7 is of an arc surface matched with the open slot 10. The arc surface contact is beneficial to improving the smoothness of rotation and reducing the abrasion.
An opening slit 12 with one end extending along the generatrix direction is formed on the side wall of the torsion sleeve 3, a section of crack-stopping groove 13 extending along the circumferential direction of the torsion sleeve 3 is formed at the root of the opening slit 12, and one side wall of the crack-stopping groove 13 is communicated with the opening slit 12. The open seam 12 increases the radial elasticity of the torque sleeve 3, so that it is in close contact with the sleeve shaft 2 and does not get stuck during turning.
The outer side of the circumference of the torsion sleeve 3 is of a T-shaped structure, the diameter of one end of the T-shaped structure is larger than that of the other end of the T-shaped structure, the end with the small diameter of the T-shaped structure is provided with a non-circular structure used for being connected with a fixed piece, and one end of the ratchet shaft 1 is provided with a non-circular structure used for being fixedly connected with a moving piece. The non-circular structure on the torque sleeve 3 can be a flat structure formed by fleshing, a key groove structure and the like, and the non-circular structure found by the spine can be a spline structure.
Claims (10)
1. A switch is light closes heavy pivot which characterized in that: including spine can axle (1), quill (2) and torsion sleeve (3), the quill circumference outside is located to torsion sleeve interference cover, and the quill circumference direction can one-way pivoted cover is located spine can axle circumference outside, the location of quill and the last torsion sleeve axial locking of quill is epaxial in spine ability.
2. The opening and closing weight rotating shaft according to claim 1, characterized in that: the ratchet can axle one end be formed with radial outer step structure (4) that expands, and ratchet can axle other end spiro union has nut (5), and step structure that ratchet can axle one end is tightly supported to quill one end, and torque sleeve inboard forms the T shape jack that one end internal diameter is greater than the other end internal diameter, and the quill other end tightly supports on the step face between the torque sleeve both ends, and torque sleeve other end terminal surface tightly supports nut one end surface.
3. The opening and closing weight rotating shaft according to claim 2, characterized in that: the torque sleeve is characterized by further comprising a friction gasket group (6), wherein the friction gasket group is formed by stacking at least one of butterfly gaskets (14), flat gaskets (15) and friction gaskets (16), at least one of the friction gaskets in the friction gasket group is located in a locking mode in the circumferential direction of the ratchet shaft, and the friction gasket group is tightly clamped between the torque sleeve and the nut.
4. The opening and closing weight rotating shaft according to claim 1, characterized in that: the ratchet shaft is provided with a pawl structure (7), the sleeve is provided with a ratchet structure, and the ratchet (8) of the ratchet structure is in one-way clamping positioning with the pawl structure.
5. The opening and closing weight rotating shaft according to claim 4, characterized in that: one end of the pawl structure can be rotatably arranged on the circumferential outer side wall of the ratchet energy shaft, the other end of the pawl structure is in one-way clamping with the ratchet of the ratchet wheel structure, an elastic piece (9) is further arranged, two ends of the elastic piece are respectively connected with the other end of the pawl structure and the ratchet energy shaft, and the elastic piece provides elastic holding force for keeping the other end of the pawl in close contact with the ratchet on the ratchet wheel.
6. The opening and closing weight rotating shaft according to claim 5, characterized in that: the elastic piece is a pressure spring, a guide post is arranged at the other end of the pawl, a slot is formed in the circumferential outer side wall of the ratchet energy shaft, one end of the pressure spring is inserted into the slot formed in the ratchet energy shaft, and the other end of the pressure spring is sleeved on the guide post at the other end of the pawl and tightly abuts against the inner side surface of the other end of the pawl.
7. The opening and closing weight rotating shaft according to claim 5, characterized in that: the ratchet shaft is characterized in that an open slot (10) extending along the direction of a bus is formed in the circumferential outer side wall of the ratchet shaft, one end of a pawl structure can be inserted into the open slot in a rotating mode, a concave plane (11) connected with the open slot is further formed in the circumferential outer side wall of the ratchet shaft, a plane structure is formed on one side of the pawl structure, a curved surface structure is formed on the other side of the pawl structure, the plane structure on one side of the pawl structure can be flatly attached to the concave plane of the ratchet shaft, the curved surface structure on the other side of the pawl structure can be connected with the circumferential outer side surface of the ratchet shaft to form a cylindrical surface, and the outer diameter of.
8. The opening and closing weight rotating shaft according to claim 7, characterized in that: the cross section of an open slot on the circumferential outer side wall of the ratchet shaft is of a C-shaped structure, and the cross section of one end of the pawl structure is of an arc surface matched with the open slot.
9. The opening and closing weight rotating shaft according to claim 1, characterized in that: an opening seam (12) with one end extending along the generatrix direction is formed on the side wall of the torsion sleeve, a crack stopping groove (13) extending along the circumferential direction of the torsion sleeve is formed at the root part of the opening seam, and one side wall of the crack stopping groove is communicated with the opening seam.
10. The opening and closing weight rotating shaft according to claim 1, characterized in that: the outer side of the circumference of the torsion sleeve is of a T-shaped structure, the diameter of one end of the T-shaped structure is larger than that of the other end of the T-shaped structure, the end with the small diameter of the T-shaped structure is provided with a non-circular structure used for being connected with the fixed piece, and one end of the ratchet shaft is provided with a non-circular structure used for being fixedly connected with the movable piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011089877.4A CN112128219A (en) | 2020-10-13 | 2020-10-13 | Rotating shaft with light opening and heavy closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011089877.4A CN112128219A (en) | 2020-10-13 | 2020-10-13 | Rotating shaft with light opening and heavy closing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112128219A true CN112128219A (en) | 2020-12-25 |
Family
ID=73852882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011089877.4A Pending CN112128219A (en) | 2020-10-13 | 2020-10-13 | Rotating shaft with light opening and heavy closing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112128219A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754064A (en) * | 2022-04-13 | 2022-07-15 | 荣耀终端有限公司 | Rotating shaft and terminal product |
-
2020
- 2020-10-13 CN CN202011089877.4A patent/CN112128219A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754064A (en) * | 2022-04-13 | 2022-07-15 | 荣耀终端有限公司 | Rotating shaft and terminal product |
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