CN111064830B - High-precision rotating shaft mechanism for intelligent machine - Google Patents
High-precision rotating shaft mechanism for intelligent machine Download PDFInfo
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- CN111064830B CN111064830B CN201911163255.9A CN201911163255A CN111064830B CN 111064830 B CN111064830 B CN 111064830B CN 201911163255 A CN201911163255 A CN 201911163255A CN 111064830 B CN111064830 B CN 111064830B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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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
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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
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
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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
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
- H04M1/022—The hinge comprising two parallel pivoting axes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Telephone Set Structure (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a rotating shaft mechanism for a high-precision intelligent machine, which comprises two first supporting plates arranged in parallel face to face, two second supporting plates arranged in parallel face to face, at least 3 connecting block groups and at least 2 springs, wherein each connecting block group is formed by arranging two connecting blocks in parallel face to face, the at least 3 connecting block groups are sequentially connected, the connecting block group at one end is connected with the first supporting plate, the connecting block group at the other end is connected with the second supporting plate, one end of each spring at least 2 is connected with a partition plate between the two first supporting plates, each connecting block is a fan-shaped connecting block, and the sum of the fan-shaped central angles corresponding to the at least 3 connecting block groups is 180 degrees. The invention ensures the stability of connection among the connecting blocks, ensures that the connecting blocks support the whole flexible screen of the intelligent device using the rotating shaft, and prolongs the service life of the screen.
Description
Technical Field
The invention relates to a rotating shaft mechanism for a high-precision intelligent machine, and belongs to the technical field of intelligent equipment.
Background
With the rapid development of electronic technology, the update iteration of mobile terminal products is more frequent. In recent years, after various mobile phone hardware technologies such as a rear multi-camera technology and a fingerprint identification technology are mature, the mobile phone hardware technologies increasingly become the standard configuration of intelligent equipment hardware, and a full screen and a folding screen bring brand new visual experience and operational charm to users due to the ultrahigh screen occupation ratio and the more flexible hardware interaction mode, and more research and development teams are driven to explore full screen and folding screen mobile phone schemes.
With the increasing maturity of flexible folding screen technologies, research and development teams began exploring foldable smart devices, particularly foldable mobile phone solutions. The relatively mature folding screen mobile phone in the prior art is mostly simple in opening and closing function, and is mostly designed in an inward folding mode, and a rotating shaft for realizing equipment folding becomes a key for designing folding equipment.
Disclosure of Invention
The invention aims to provide a rotating shaft mechanism for a high-precision intelligent machine, which ensures the connection stability among a plurality of connecting blocks, ensures that the connecting blocks support the whole surface of a flexible screen of intelligent equipment using the rotating shaft, and prolongs the service life of the screen.
In order to achieve the purpose, the invention adopts the technical scheme that: a high-precision rotating shaft mechanism for an intelligent machine comprises two first supporting plates arranged in parallel face to face, two second supporting plates arranged in parallel face to face, at least 3 connecting block groups and at least 2 springs, wherein each connecting block group is formed by arranging two connecting blocks in parallel face to face, the at least 3 connecting block groups are sequentially connected, the connecting block group at one end is connected with the first supporting plate, and the connecting block group at the other end is connected with the second supporting plate;
a partition plate is arranged between the two first supporting plates and between the two second supporting plates, a spring shell is arranged between the two connecting blocks of the connecting block group, and the first supporting plates, the second supporting plates and the partition plates as well as the connecting blocks and the spring shell are all locked through screws;
one end of each of the at least 2 springs is connected with the partition board between the two first supporting plates, the other end of each of the at least 2 springs is connected with the partition board between the two second supporting plates, and the at least 2 springs sequentially penetrate through the spring shells between the two connecting blocks of the at least 3 connecting block groups;
the connecting blocks are fan-shaped connecting blocks, the sum of fan-shaped central angles corresponding to at least 3 connecting block groups is 180 degrees, the top points of the arc-shaped end surfaces of the connecting block groups and the upper surfaces of the first supporting plate and the second supporting plate are on the same plane, and the upper surfaces of the first supporting plate and the second supporting plate are used for being in contact with the flexible screen;
the connecting block is provided with an arc-shaped groove, the arc-shaped groove extends from the lower part of one side surface of the connecting block to the direction of the arc-shaped end surface of the connecting block, the lower part of the other side surface of the connecting block is connected with an arc-shaped block matched with the arc-shaped groove, the arc-shaped block on one connecting block is embedded into the arc-shaped groove of the next connecting block, and a plurality of connecting block groups are sequentially connected;
the surface of one side of the two first supporting plates connected with the connecting block group is provided with an arc-shaped protruding part which is used for being embedded into an arc-shaped groove of the connecting block, one end of the two second supporting plates connected with the connecting block group is provided with an arc-shaped groove part which is used for embedding an arc-shaped block of the connecting block;
the upper surfaces of the two first supporting plates, the two second supporting plates and the end, connected with the connecting block group, of the partition plate are slope surfaces, and the slope surfaces are inclined downwards in the direction close to the connecting block group;
a first notch part is formed at the joint of the surface of one side of the connecting block, which is connected with the arc-shaped block, and the arc-shaped end surface of the connecting block, and a first bump matched with the first notch part is arranged at the joint of the surface of the other side of the connecting block and the arc-shaped end surface of the connecting block;
a second gap part is arranged at the corner of one end of the two first supporting plates and the partition plate connected with the connecting block set, a second convex block is arranged at the corner of one end of the two second supporting plates and the partition plate connected with the connecting block set, the second gap part is used for being matched with the first convex block of the connecting block, and the second convex block is used for being matched with the first gap part of the connecting block;
the connecting block is characterized in that an upward lower clamping block is arranged on the arc-shaped block of the connecting block, the lower clamping block is positioned on the upper surface of one end, close to the other connecting block, of the arc-shaped block, a downward upper clamping block is arranged in the arc-shaped groove of the connecting block, the upper clamping block is positioned on the upper portion, close to the other connecting block, of one end of the arc-shaped groove, and the lower clamping block on one connecting block is clamped with the upper clamping block on the.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the arc-shaped protruding part of the first supporting plate is provided with a second lower clamping block matched with the upper clamping block of the connecting block.
2. In the above scheme, a second upper clamping block matched with the lower clamping block of the connecting block is arranged in the arc-shaped groove part of the second supporting plate.
3. In the above scheme, the lower surface of the first bump in contact with the first notch portion is an arc-shaped surface, and the inner surface of the first notch portion in contact with the first bump is an arc-shaped surface.
4. In the above scheme, the lower surface of the second bump in contact with the second notch portion is an arc-shaped surface, and the inner surface of the second notch portion in contact with the second bump is an arc-shaped surface.
5. In the above scheme, the number of the connection block groups is 4, and the sector central angle corresponding to each connection block is 45 °.
6. In the above scheme, the at least 2 springs include at least one pressure spring and at least one tension spring, and the pressure spring and the tension spring are symmetrically arranged.
7. In the above scheme, the respective outer sides of the two connecting blocks of each connecting block group are connected with a fan-shaped cover plate.
8. In the above scheme, the lower surfaces of the first supporting plate and the second supporting plate, which are respectively close to the end of the connecting block group, are provided with the avoidance notches.
9. In the scheme, the end face of the partition plate is provided with a groove for embedding the spring.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the rotating shaft mechanism for the high-precision intelligent machine is ingenious in structural design and small in occupied space, can be used on a mobile phone or other portable intelligent equipment needing a portable intelligent device, realizes 180-degree outward-folding rotation of the device, provides a rotating shaft scheme with good use experience for the intelligent device with an outward-folding screen, can ensure a certain bending radius when used for the intelligent device, simultaneously plays a good supporting role for a flexible screen of the device, and avoids the flexible screen of the mobile phone or the intelligent device from being damaged due to frequent bending; in addition, one end of at least 2 springs is connected with the partition plate between the two first supporting plates, the other end of the at least 2 springs is connected with the partition plate between the two second supporting plates, the springs are arranged to provide torsion for rotation of the rotating shaft, so that the rotating shaft has good supporting force when rotating to any angle, the intelligent device using the rotating shaft can be turned to any angle without the occurrence of the situations that the supporting plates fall off and the like, further, the springs have self-adaptive change adjusting functions along with the change of the opening and closing angle while ensuring the torsion, and the user experience is good; furthermore, at least 2 springs of the device comprise at least one pressure spring and at least one tension spring, the pressure spring and the tension spring are symmetrically arranged, self-adaptive balance of torsion can be always kept through the symmetrical arrangement of the tension spring and the pressure spring, so that dynamic balance of stress is always guaranteed in the opening and closing process of the device, and meanwhile the service life of the rotating shaft mechanism can be prolonged.
2. The invention relates to a high-precision rotating shaft mechanism for an intelligent machine, wherein the upper surface of one end of each of two first supporting plates and two second supporting plates, which is connected with a connecting block, is a slope surface, the slope surfaces are inclined downwards in the direction close to the connecting block, and the slope surfaces on the supporting plates are arranged to match with the design of the connecting block, so that tolerance quantity is provided between the opening and the closing of a flexible screen of the intelligent equipment using the rotating shaft, the flexible screen and the supporting plates can be ensured not to generate any stretching, compression or deviation in the opening and closing process of the screen, the damage to the screen caused by the fact that the screen of the equipment is stretched when the intelligent equipment is completely unfolded can be avoided, the damage to the screen caused by the fact that the screen is extruded when the intelligent equipment is folded can be avoided, the service life of the screen is prolonged, and the attractiveness.
3. According to the rotating shaft mechanism for the high-precision intelligent machine, the connecting position of one side surface of the connecting block, which is connected with the arc-shaped block, and the arc-shaped end surface of the connecting block is provided with the first notch part, the connecting position of the other side surface of the connecting block and the arc-shaped end surface of the connecting block is provided with the first bump matched with the first notch part, and the notch part and the bump are matched, so that the connecting stability among a plurality of connecting blocks is ensured, the whole surface support of the connecting block on the flexible screen of the intelligent equipment using the rotating shaft is ensured, and the service life of the screen is prolonged; in addition, an upward lower clamping block is arranged on the arc-shaped block of the connecting block, the lower clamping block is located on the upper surface of one end, close to the other connecting block, of the arc-shaped block, a downward upper clamping block is arranged in the arc-shaped groove of the connecting block, the upper clamping block is located on the upper portion, close to the other connecting block, of the arc-shaped groove, one clamping block is connected with the upper clamping block on the next connecting block, the stability of connection among the connecting blocks is further enhanced due to the arrangement of the upper clamping block and the lower clamping block, and meanwhile the risk that the screen is pulled due to falling of the.
Drawings
FIG. 1 is a schematic structural view of a 180-degree rotating shaft mechanism for a high-precision intelligent machine according to the present invention;
FIG. 2 is a schematic view of a 0-degree partial structure of a rotating shaft mechanism for a high-precision intelligent machine according to the present invention;
FIG. 3 is a schematic view of a connecting block structure in a rotating shaft mechanism for a high-precision intelligent machine according to the present invention;
FIG. 4 is a schematic view of a local structure of a first supporting plate in the rotating shaft mechanism for the high-precision intelligent machine according to the present invention;
FIG. 5 is a schematic view of a local structure of a first supporting plate in the rotating shaft mechanism for a high-precision intelligent machine according to the present invention.
In the above drawings: 1. a first support plate; 101. an arc-shaped convex part; 102. a second notch portion; 103. a second lower fixture block; 2. a second support plate; 201. an arc-shaped groove part; 202. a second bump; 203. a second upper fixture block; 3. a connection block group; 301. connecting blocks; 302. an arc-shaped slot; 303. an arc-shaped block; 304. a first notch portion; 305. a first bump; 306. a lower clamping block; 307. an upper clamping block; 4. a spring; 5. a screw; 6. a fan-shaped cover plate; 7. a slope surface; 8. avoiding gaps; 11. a partition plate; 12. a spring shell.
Detailed Description
Example 1: a high-precision rotating shaft mechanism for an intelligent machine comprises two first supporting plates 1 arranged in parallel face to face, two second supporting plates 2 arranged in parallel face to face, at least 3 connecting block groups 3 and at least 2 springs 4, wherein each connecting block group 3 is formed by arranging two connecting blocks 301 in parallel face to face, the at least 3 connecting block groups 3 are sequentially connected, the connecting block group 3 at one end is connected with the first supporting plate 1, and the connecting block group 3 at the other end is connected with the second supporting plate 2;
a partition plate 11 is arranged between the two first support plates 1 and between the two second support plates 2, a spring shell 12 is arranged between the two connecting blocks 301 of the connecting block group 3, and the first support plates 1, the second support plates 2 and the partition plate 11 and the connecting blocks 301 and the spring shell 12 are locked through screws 5;
one end of each of the at least 2 springs 4 is connected with the partition plate 11 between the two first support plates 1, the other end of each of the at least 2 springs 4 is connected with the partition plate 11 between the two second support plates 2, and the at least 2 springs 4 sequentially penetrate through the spring shells 12 between the two connecting blocks 301 of the at least 3 connecting block groups 3;
the connecting block 301 is a fan-shaped connecting block, the sum of fan-shaped central angles corresponding to at least 3 connecting block groups 3 is 180 degrees, the top points of the arc-shaped end surfaces of the connecting block groups 3 are on the same plane with the upper surfaces of the first supporting plate 1 and the second supporting plate 2, and the upper surfaces of the first supporting plate 1 and the second supporting plate 2 are used for contacting with a flexible screen;
an arc-shaped groove 302 is formed in the connecting block 301, the arc-shaped groove 302 is formed in the lower portion of one side surface of the connecting block 301 and extends towards the direction of the arc-shaped end surface of the connecting block 301, the lower portion of the other side surface of the connecting block 301 is connected with an arc-shaped block 303 matched with the arc-shaped groove 302, the arc-shaped block 303 on one connecting block 301 is embedded into the arc-shaped groove 302 of the next connecting block 301, and a plurality of connecting block groups 3 are sequentially connected;
an arc-shaped protruding part 101 is arranged on the surface of one side of the two first supporting plates 1 connected with the connecting block group 3, the arc-shaped protruding part 101 is used for being embedded into an arc-shaped groove 302 of the connecting block 301, one end of the two second supporting plates 2 connected with the connecting block group 3 is provided with an arc-shaped groove part 201, and the arc-shaped groove part 201 is used for being embedded into an arc-shaped block 303 of the connecting block 301;
the upper surfaces of the two first supporting plates 1, the two second supporting plates 2 and the partition plate 11, which are respectively connected with the connecting block group 3, are slope surfaces 7, and the slope surfaces 7 are inclined downwards in the direction close to the connecting block group 3;
a first notch portion 304 is arranged at the joint of the arc-shaped end surface of the connecting block 301 and the surface of one side of the connecting block 301, to which the arc-shaped block 303 is connected, and a first bump 305 for matching with the first notch portion 304 is arranged at the joint of the arc-shaped end surface of the connecting block 301 and the surface of the other side of the connecting block 301;
a second notch part 102 is formed at a corner of one end of the two first support plates 1 and the partition plate 11 connected with the connecting block group 3, a second convex block 202 is formed at a corner of one end of the two second support plates 2 and the partition plate 11 connected with the connecting block group 3, the second notch part 102 is used for being matched with a first convex block 305 of the connecting block 301, and the second convex block 202 is used for being matched with a first notch part 304 of the connecting block 301;
an upward lower fixture block 306 is arranged on the arc-shaped block 303 of the connecting block 301, the lower fixture block 306 is positioned on the upper surface of one end, close to the other connecting block 301, of the arc-shaped block 303, a downward upper fixture block 307 is arranged in the arc-shaped groove 302 of the connecting block 301, the upper fixture block 307 is positioned on the upper portion of one end, close to the other connecting block 301, of the arc-shaped groove 302, and the lower fixture block 306 on one connecting block 301 is clamped with the upper fixture block 307 on the next connecting block 301.
The arc-shaped convex part 101 of the first support plate 1 is provided with a second lower fixture block 103 matched with the upper fixture block 307 of the connecting block 301; a second upper clamping block 203 matched with a lower clamping block 306 of the connecting block 301 is arranged in the arc-shaped groove part 201 of the second supporting plate 2; the lower surface of the first bump 305 contacting the first notch 304 is an arc surface, and the inner surface of the first notch 304 contacting the first bump 305 is an arc surface; the number of the connecting block groups 3 is 4, and the fan-shaped central angle corresponding to each connecting block 301 is 45 degrees; the at least 2 springs 4 are a compression spring and a tension spring which are symmetrically arranged.
Example 2: a high-precision rotating shaft mechanism for an intelligent machine comprises two first supporting plates 1 arranged in parallel face to face, two second supporting plates 2 arranged in parallel face to face, at least 3 connecting block groups 3 and at least 2 springs 4, wherein each connecting block group 3 is formed by arranging two connecting blocks 301 in parallel face to face, the at least 3 connecting block groups 3 are sequentially connected, the connecting block group 3 at one end is connected with the first supporting plate 1, and the connecting block group 3 at the other end is connected with the second supporting plate 2;
a partition plate 11 is arranged between the two first support plates 1 and between the two second support plates 2, a spring shell 12 is arranged between the two connecting blocks 301 of the connecting block group 3, and the first support plates 1, the second support plates 2 and the partition plate 11 and the connecting blocks 301 and the spring shell 12 are locked through screws 5;
one end of each of the at least 2 springs 4 is connected with the partition plate 11 between the two first support plates 1, the other end of each of the at least 2 springs 4 is connected with the partition plate 11 between the two second support plates 2, and the at least 2 springs 4 sequentially penetrate through the spring shells 12 between the two connecting blocks 301 of the at least 3 connecting block groups 3;
the connecting block 301 is a fan-shaped connecting block, the sum of fan-shaped central angles corresponding to at least 3 connecting block groups 3 is 180 degrees, the top points of the arc-shaped end surfaces of the connecting block groups 3 are on the same plane with the upper surfaces of the first supporting plate 1 and the second supporting plate 2, and the upper surfaces of the first supporting plate 1 and the second supporting plate 2 are used for contacting with a flexible screen;
an arc-shaped groove 302 is formed in the connecting block 301, the arc-shaped groove 302 is formed in the lower portion of one side surface of the connecting block 301 and extends towards the direction of the arc-shaped end surface of the connecting block 301, the lower portion of the other side surface of the connecting block 301 is connected with an arc-shaped block 303 matched with the arc-shaped groove 302, the arc-shaped block 303 on one connecting block 301 is embedded into the arc-shaped groove 302 of the next connecting block 301, and a plurality of connecting block groups 3 are sequentially connected;
an arc-shaped protruding part 101 is arranged on the surface of one side of the two first supporting plates 1 connected with the connecting block group 3, the arc-shaped protruding part 101 is used for being embedded into an arc-shaped groove 302 of the connecting block 301, one end of the two second supporting plates 2 connected with the connecting block group 3 is provided with an arc-shaped groove part 201, and the arc-shaped groove part 201 is used for being embedded into an arc-shaped block 303 of the connecting block 301;
the upper surfaces of the two first supporting plates 1, the two second supporting plates 2 and the partition plate 11, which are respectively connected with the connecting block group 3, are slope surfaces 7, and the slope surfaces 7 are inclined downwards in the direction close to the connecting block group 3;
a first notch portion 304 is arranged at the joint of the arc-shaped end surface of the connecting block 301 and the surface of one side of the connecting block 301, to which the arc-shaped block 303 is connected, and a first bump 305 for matching with the first notch portion 304 is arranged at the joint of the arc-shaped end surface of the connecting block 301 and the surface of the other side of the connecting block 301;
a second notch part 102 is formed at a corner of one end of the two first support plates 1 and the partition plate 11 connected with the connecting block group 3, a second convex block 202 is formed at a corner of one end of the two second support plates 2 and the partition plate 11 connected with the connecting block group 3, the second notch part 102 is used for being matched with a first convex block 305 of the connecting block 301, and the second convex block 202 is used for being matched with a first notch part 304 of the connecting block 301;
an upward lower fixture block 306 is arranged on the arc-shaped block 303 of the connecting block 301, the lower fixture block 306 is positioned on the upper surface of one end, close to the other connecting block 301, of the arc-shaped block 303, a downward upper fixture block 307 is arranged in the arc-shaped groove 302 of the connecting block 301, the upper fixture block 307 is positioned on the upper portion of one end, close to the other connecting block 301, of the arc-shaped groove 302, and the lower fixture block 306 on one connecting block 301 is clamped with the upper fixture block 307 on the next connecting block 301.
The number of the at least 2 springs 4 is 4, and the springs are 2 pressure springs and 2 tension springs which are symmetrically arranged; the outer sides of the two connecting blocks 301 of each connecting block group 3 are respectively connected with a fan-shaped cover plate 6; the lower surface of the second bump 202 contacting the second notch 102 is an arc surface, and the inner surface of the second notch 102 contacting the second bump 202 is an arc surface; the lower surfaces of the first supporting plate 1 and the second supporting plate 2 close to one end of the connecting block group 3 are respectively provided with a clearance gap 8; the end face of the partition plate 11 is provided with a groove for inserting the spring 4.
When the rotating shaft mechanism for the high-precision intelligent machine is adopted, the rotating shaft mechanism is ingenious in structural design and small in occupied space, can be used on a mobile phone or other portable intelligent equipment needing a portable screen, realizes 180-degree outward folding rotation of the equipment, provides a rotating shaft scheme with good use experience for intelligent equipment with an outward folding screen, can ensure a certain bending radius when used for the intelligent equipment, simultaneously plays a good supporting role on a flexible screen of the equipment, and avoids the flexible screen of the mobile phone or the intelligent equipment from being damaged due to frequent bending;
in addition, the arrangement of the spring provides torsion for the rotation of the rotating shaft, so that the rotating shaft has good supporting force when rotating to any angle, the intelligent device using the rotating shaft can be turned to any angle without the situation that the supporting plate falls off and the like, and further, the spring has a self-adaptive adjusting function along with the change of the opening and closing angle while ensuring the torsion, and the user experience is good; furthermore, the self-adaptive balance of the torsion can be always kept through the symmetrical arrangement of the tension spring and the pressure spring, so that the dynamic balance of stress is always ensured in the opening and closing processes of the equipment, and the service life of the rotating shaft mechanism can be prolonged;
in addition, the arrangement of the slope surface on the supporting plate is matched with the design of the connecting block, so that tolerance quantity is provided for the flexible screen of the intelligent device using the rotating shaft in the opening and closing process, and the flexible screen and the supporting plate can not generate any stretching, compression or deviation in the opening and closing process of the screen, so that the damage to the screen caused by stretching the screen of the device when the intelligent device is completely unfolded can be avoided, the damage to the screen caused by extruding the screen when the intelligent device is folded can be avoided, the service life of the screen is prolonged, and the attractiveness of the screen in the using process is ensured;
in addition, the notch parts and the convex blocks are arranged in a matched mode, so that the connection stability among the connecting blocks is guaranteed, the whole surface of the flexible screen of the intelligent equipment using the rotating shaft is supported by the connecting blocks, and the service life of the screen is prolonged; in addition, the stability of connecting between a plurality of connecting blocks has further been strengthened in the setting of upper and lower fixture block, avoids producing between the connecting block to drop and the risk of pulling the screen simultaneously.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a high-accuracy pivot mechanism for intelligent machine which characterized in that: the spring assembly comprises a first supporting plate (1) with two opposite surfaces arranged in parallel, a second supporting plate (2) with two opposite surfaces arranged in parallel, at least 3 connecting block groups (3) and at least 2 springs (4), wherein the connecting block groups (3) are formed by arranging two connecting blocks (301) in parallel in a face-to-face manner, the at least 3 connecting block groups (3) are sequentially connected, the connecting block group (3) positioned at one end is connected with the first supporting plate (1), and the connecting block group (3) positioned at the other end is connected with the second supporting plate (2);
a partition plate (11) is arranged between the two first support plates (1) and between the two second support plates (2) which are arranged in parallel in the opposite direction, a spring shell (12) is arranged between the two connecting blocks (301) of the connecting block group (3), and the two first support plates (1) and the partition plate (11), the two second support plates (2) and the partition plate (11), and the two connecting blocks (301) and the spring shell (12) are locked through screws (5);
one end of each of the at least 2 springs (4) is connected with the partition plate (11) between the two first support plates (1), the other end of each of the at least 2 springs (4) is connected with the partition plate (11) between the two second support plates (2), and the at least 2 springs (4) sequentially penetrate through the spring shells (12) between the two connecting blocks (301) of the at least 3 connecting block groups (3);
the connecting blocks (301) are fan-shaped connecting blocks, the sum of fan-shaped central angles corresponding to at least 3 connecting block groups (3) is 180 degrees, the top points of the arc-shaped end surfaces of the connecting block groups (3) are on the same plane with the upper surfaces of the first supporting plate (1) and the second supporting plate (2), and the upper surfaces of the first supporting plate (1) and the second supporting plate (2) are used for being in contact with a flexible screen;
an arc-shaped groove (302) is formed in the connecting block (301), the arc-shaped groove (302) extends from the lower opening of one side surface of the connecting block (301) to the arc-shaped end surface direction of the connecting block (301), the lower portion of the other side surface of the connecting block (301) is connected with an arc-shaped block (303) matched with the arc-shaped groove (302), the arc-shaped block (303) on one connecting block (301) is embedded into the arc-shaped groove (302) of the next connecting block (301), and a plurality of connecting block groups (3) are sequentially connected;
an arc-shaped protruding part (101) is arranged on the surface of one side, connected with the connecting block group (3), of the two first support plates (1) which are arranged in parallel face to face, the arc-shaped protruding part (101) is used for being embedded into an arc-shaped groove (302) of the connecting block (301), one end, connected with the connecting block group (3), of the two second support plates (2) which are arranged in parallel face to face is provided with an arc-shaped groove part (201), and the arc-shaped groove part (201) is used for being embedded into an arc-shaped block (303) of the connecting block (301);
the upper surface of one end of each of the first supporting plate (1), the two second supporting plates (2) and the partition plate (11) which are arranged in parallel with each other in two opposite surfaces and connected with the connecting block group (3) is a slope surface (7), and the slope surface (7) is inclined downwards in the direction close to the connecting block group (3);
a first notch part (304) is arranged at the joint of one side surface of the connecting block (301) connected with the arc-shaped block (303) and the arc-shaped end surface of the connecting block (301), and a first convex block (305) used for being matched with the first notch part (304) on the next connecting block (301) is arranged at the joint of the other side surface of the connecting block (301) and the arc-shaped end surface of the connecting block (301);
a second gap part (102) is formed in a corner of one end, connected with the connecting block group (3), of the two first support plates (1) and the partition plates (11) which are arranged in parallel in the opposite surfaces, a second convex block (202) is arranged in a corner of one end, connected with the connecting block group (3), of the two second support plates (2) and the partition plates (11) which are arranged in parallel in the opposite surfaces, the second gap part (102) is used for being matched with a first convex block (305) of the connecting block (301), and the second convex block (202) is used for being matched with a first gap part (304) of the connecting block (301);
the arc piece (303) of connecting block (301) is last to have an ascending lower fixture block (306), and this lower fixture block (306) is located arc piece (303) and is close to the one end upper surface of another connecting block (301), arc groove (302) of connecting block (301) have a decurrent last fixture block (307) in, this goes up fixture block (307) and is located arc groove (302) and is close to the one end upper portion of another connecting block (301), one lower fixture block (306) on connecting block (301) and last fixture block (307) joint on the latter connecting block (301).
2. The spindle mechanism for high-precision intelligent machine according to claim 1, characterized in that: the arc-shaped convex part (101) of the first supporting plate (1) is provided with a second lower clamping block (103) matched with the upper clamping block (307) of the connecting block (301).
3. The spindle mechanism for high-precision smart machine according to claim 2, wherein: a second upper clamping block (203) matched with a lower clamping block (306) of the connecting block (301) is arranged in the arc-shaped groove part (201) of the second supporting plate (2).
4. The spindle mechanism for high-precision intelligent machine according to claim 1, characterized in that: the lower surface of the first bump (305) contacting the first notch portion (304) is an arc-shaped surface, and the inner surface of the first notch portion (304) contacting the first bump (305) is an arc-shaped surface.
5. The spindle mechanism for a high-precision intelligent machine according to claim 1 or 4, characterized in that: the lower surface of the second bump (202) in contact with the second notch portion (102) is an arc-shaped surface, and the inner surface of the second notch portion (102) in contact with the second bump (202) is an arc-shaped surface.
6. The spindle mechanism for high-precision intelligent machine according to claim 1, characterized in that: the number of the connecting block groups (3) is 4, and the fan-shaped central angle corresponding to each connecting block (301) is 45 degrees.
7. The spindle mechanism for high-precision intelligent machine according to claim 1, characterized in that: the at least 2 springs (4) comprise at least one pressure spring and at least one tension spring, and the pressure spring and the tension spring are symmetrically arranged.
8. The spindle mechanism for high-precision intelligent machine according to claim 1, characterized in that: the outer sides of the two connecting blocks (301) of each connecting block group (3) are respectively connected with a fan-shaped cover plate (6).
9. The spindle mechanism for high-precision intelligent machine according to claim 1, characterized in that: and the lower surfaces of the first supporting plate (1) and the second supporting plate (2) close to the lower surface of one end of the connecting block group (3) are respectively provided with a position avoiding notch (8).
10. The spindle mechanism for high-precision intelligent machine according to claim 1, characterized in that: and a groove for embedding the spring (4) is formed in the end face of the partition plate (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911163255.9A CN111064830B (en) | 2019-11-25 | 2019-11-25 | High-precision rotating shaft mechanism for intelligent machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911163255.9A CN111064830B (en) | 2019-11-25 | 2019-11-25 | High-precision rotating shaft mechanism for intelligent machine |
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| CN111064830A CN111064830A (en) | 2020-04-24 |
| CN111064830B true CN111064830B (en) | 2021-06-04 |
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| CN201911163255.9A Active CN111064830B (en) | 2019-11-25 | 2019-11-25 | High-precision rotating shaft mechanism for intelligent machine |
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| CN111550525B (en) * | 2020-05-06 | 2021-08-10 | Oppo广东移动通信有限公司 | Folding module, display device and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2756890Y (en) * | 2004-04-30 | 2006-02-08 | 鸿富锦精密工业（深圳）有限公司 | Hinge device |
| EP2728434B1 (en) * | 2012-11-02 | 2017-07-26 | BlackBerry Limited | Support for a flexible display |
| CN204229775U (en) * | 2014-11-26 | 2015-03-25 | 昆山国显光电有限公司 | Flexible display screen |
| CN107181838B (en) * | 2017-05-26 | 2020-11-10 | 宇龙计算机通信科技(深圳)有限公司 | Flexible display device and mobile terminal with same |
| CN207782858U (en) * | 2017-06-06 | 2018-08-28 | 杭州安费诺飞凤通信部品有限公司 | Flexible screen mobile terminal hinge and flexible screen mobile terminal |
| CN207067960U (en) * | 2017-08-03 | 2018-03-02 | 深圳市柔宇科技有限公司 | Fold mechanism and terminal |
| CN112470097A (en) * | 2018-05-25 | 2021-03-09 | 深圳市柔宇科技股份有限公司 | Flexible display module and flexible terminal |
| CN208596323U (en) * | 2018-08-09 | 2019-03-12 | 深圳市柔宇科技有限公司 | Foldable device |
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