CN217682790U - Hierarchical damping rotating shaft mechanism with bounce function - Google Patents
Hierarchical damping rotating shaft mechanism with bounce function Download PDFInfo
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- CN217682790U CN217682790U CN202221815744.5U CN202221815744U CN217682790U CN 217682790 U CN217682790 U CN 217682790U CN 202221815744 U CN202221815744 U CN 202221815744U CN 217682790 U CN217682790 U CN 217682790U
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Abstract
The application relates to a hierarchical damping pivot mechanism with bounce-up function includes: a fixed end; the rotating shaft is connected with the fixed end; the movable end can rotate around the rotating shaft and relative to the fixed end; the torsional spring is sleeved on the rotating shaft and connected between the fixed end and the movable end, and is used for generating a rotating force to drive the movable end to rotate away from the fixed end; damping piece, the cover is located in the pivot, damping piece is used for producing frictional resistance in order to hinder the expansion end rotates, damping piece has first damping state and second damping state, when first damping state the revolving force of torsional spring can overcome the frictional resistance of damping piece makes the expansion end rotates by oneself, when first damping state the frictional resistance of damping piece is greater than the revolving force of torsional spring is in order to stop the expansion end rotates by oneself.
Description
Technical Field
The application belongs to the technical field of damping rotating shafts and relates to a graded damping rotating shaft mechanism with a bounce function.
Background
With the wide application of various user terminal devices in daily life, the requirements for convenience in use and miniaturization of the terminal devices are higher and higher. Most miniaturized terminal equipment is for the limited overall dimension of make full use of, and design pivot mechanism connects between the key spare part that needs were opened or were closed, has both reached the miniaturized design requirement of volume like this, rotates through the pivot when using and opens key spare part, can guarantee again that equipment is having sufficient space to control to improve the convenient performance of use of equipment greatly.
In the related technology, some key parts of the terminal equipment are connected by adopting a damping rotating shaft mechanism, the damping rotating shaft needs to apply a torque overcoming damping to the rotating shaft to drive the rotating shaft in the rotating process, a power source for driving the torque usually adopts three modes of a motor, a spring and manpower, and the damping rotating shaft mechanism can enable the opened key parts to stay at required positions. However, the existing damping rotating shaft mechanism cannot enable the key parts to be automatically opened and bounced at the initial position, and certain use limitation exists.
SUMMERY OF THE UTILITY MODEL
The application aims at providing a graded damping rotating shaft mechanism with a bounce function, which can have multi-grade damping and can enable key parts needing to be opened to be automatically opened and bounced when the key parts are at initial positions.
The present application is achieved by the following technical means.
This technical scheme provides a hierarchical damping pivot mechanism with bounce function, includes:
a fixed end;
the rotating shaft is connected with the fixed end;
the movable end can rotate around the rotating shaft and relative to the fixed end;
the torsional spring is sleeved on the rotating shaft and connected between the fixed end and the movable end, and the torsional spring is used for generating rotating force to drive the movable end to rotate away from the fixed end;
damping piece, the cover is located in the pivot, damping piece is used for producing frictional resistance in order to hinder the expansion end rotates, damping piece has first damping state and second damping state, when first damping state the revolving force of torsional spring can be overcome the frictional resistance of damping piece makes the expansion end rotates by oneself, when first damping state the frictional resistance of damping piece is greater than the revolving force of torsional spring is in order to stop the expansion end rotates by oneself.
This technical scheme's hierarchical damping pivot mechanism, damping piece have first damping state promptly light damping state and second damping state promptly heavy damping state, at least two-stage state, wherein in light damping state, the frictional resistance that damping piece produced is less than the revolving force that the torsional spring produced, when heavy damping state, the frictional resistance that damping piece produced is greater than the revolving force that the torsional spring produced.
When initial position, the expansion end is under the restriction that does not have external force, because hierarchical damping pivot mechanism is in light damping state this moment, under the revolving force effect of torsional spring, the drive expansion end rotates by oneself, make the expansion end can open the bounce for the stiff end is automatic, when rotating the second position, get into heavy damping state, the rotation by oneself of expansion end stops this moment, from the second position, the accessible additionally increases the heavy damping state that external force overcomes the pivot, can drive the free hover of expansion end in required optional position.
As an embodiment of the present technical solution, the damping member includes a first damping fin and a second damping fin that are in contact with each other to generate frictional resistance, the first damping fin is fixed to the movable end, and the second damping fin is fixed to the rotating shaft;
the end face of one of the first damping fin and the second damping fin is provided with a protruding portion, the other damping fin is at least provided with a first damping surface and a second damping surface, the damping piece is in the first damping state when the protruding portion corresponds to the first damping surface in a sliding mode, and the protruding portion is in the second damping state when the protruding portion corresponds to the second damping surface in a sliding mode.
In an embodiment of the present invention, the first damping fin is provided with the first damping surface and the second damping surface, the second damping surface is an end surface of the first damping fin, and the first damping surface is formed by an end surface portion of the first damping fin being recessed inward.
In an embodiment of the present invention, the first damper plate has two first damper surfaces symmetrical with respect to an axis of the rotating shaft, and the second damper plate has two protrusions.
As the implementation mode of the technical scheme, the first damping fin is close to one side end face of the movable end and is provided with a convex block, the movable end is provided with a groove matched with the convex block, and the first damping fin is matched with the groove through the convex block and can synchronously rotate with the movable end.
As the implementation mode of the technical scheme, the movable end is provided with the first accommodating groove for accommodating one end of the torsion spring, and the fixed end is provided with the second accommodating groove for accommodating the other end of the torsion spring.
As the implementation mode of the technical scheme, the torsion spring further comprises a spacer sleeve sleeved on the torsion spring, and two ends of the spacer sleeve are respectively abutted to the movable end and the fixed end.
The two ends of the spring are respectively arranged at the fixed end and the movable end of the damping rotating shaft, the rotating shaft positioning sleeve is arranged outside the spring, and the spring is directly arranged on the damping rotating shaft, so that the function of bouncing the damping rotating shaft assembly is realized.
As an implementation manner of the technical scheme, the rotating shaft is provided with a limiting tangent plane parallel to the axis direction, the second damping fin is provided with a second limiting surface matched with the limiting tangent plane, and the second damping fin can be limited on the rotating shaft to be non-rotatable through the matching of the second limiting surface and the limiting tangent plane.
As an implementation manner of the technical scheme, the damping device further comprises a third damping fin, the third damping fin is sleeved on the rotating shaft and located on one side, away from the first damping fin, of the second damping fin, and the third damping fin is provided with a third limiting surface used for being matched with the limiting tangent surface.
As the implementation mode of the technical scheme, the fixed end is provided with a first limiting surface matched with the limiting tangent plane.
As the implementation mode of the technical scheme, the rotating shaft comprises a shaft body and a locking nut, the shaft body comprises a shaft body part and a shaft head part, and the rotating shaft is connected with the fixed end, the movable shaft, the torsion spring and the damping part through the locking nut.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
Fig. 1 is a schematic structural diagram of a stepped damping spindle mechanism with a pop-up function shown in an embodiment of the present application.
Fig. 2 is one of the schematic views of the explosive structure of the stepped damping rotating shaft mechanism with the bounce function shown in the embodiment of the present application.
Fig. 3 is a second schematic view of the explosion structure of the stepped damping rotating shaft mechanism with a bounce function shown in an embodiment of the present application.
Fig. 4 is a schematic structural view of a first damper shown in an embodiment of the present application.
Description of reference numerals:
110-a fixed end; 111-a second receiving groove; 112-a first limit surface;
120-a rotating shaft; 121-limiting section; 122-a lock nut; 123-a gasket;
130-a movable end; 131-a groove; 132-a first receiving groove;
140-torsion spring;
150-a damping member; 151-first damping fin; 1511 — a first damping surface; 1512-a second damping surface; 1513-guide surface; 1514-bumps; 152-a second damping fin; 1521-a boss; 1522-a second limiting surface;
160-a third damping fin; 161-third limiting surface.
Detailed Description
Technical solutions in some embodiments of the present application will be clearly and completely described below with reference to the drawings in some embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions of the present application are described in detail below with reference to embodiments and drawings.
As shown in fig. 1 to 4, the present embodiment provides a staged damping hinge mechanism with a pop-up function, which includes a fixed end 110, a hinge 120 connected to the fixed end 110, a movable end 130, a torsion spring 140 and a damping member 150, wherein the movable end 130 can rotate around the hinge 120 and relative to the fixed end 110; the torsion spring 140 is sleeved on the rotating shaft 120 and connected between the fixed end 110 and the movable end 130, and the torsion spring 140 is used for generating a rotating force to drive the movable end 130 to rotate away from the fixed end 110; the damping member 150 is sleeved on the rotating shaft 120, the damping member 150 is used for generating frictional resistance to block the movable end 130 from rotating, the damping member 150 has a first damping state and a second damping state, the rotating force of the torsion spring 140 can overcome the frictional resistance of the damping member 150 to enable the movable end 130 to rotate by itself in the first damping state, and the frictional resistance of the damping member 150 is greater than the rotating force of the torsion spring 140 to block the movable end 130 from rotating by itself in the first damping state.
In a specific application example, the stepped damping rotating shaft mechanism of the present embodiment can be used for connection between a cover and a housing of a certain terminal device, and the cover can be opened or closed around the stepped damping rotating shaft mechanism, wherein the fixed end 110 is fixed to the housing, the movable end 130 is fixedly connected to the cover, and the cover is further locked to the housing through an auxiliary mechanism.
It is understood that the above application example is used as an example, but the stepped damping rotating shaft mechanism of the present embodiment is not limited to be used in the application example.
It can be understood that the damping member 150 of the stepped damping spindle mechanism has a first damping state, i.e., a light damping state, in which the frictional resistance generated by the damping member 150 is smaller than the rotational force generated by the torsion spring 140, and a second damping state, i.e., a heavy damping state, in which the frictional resistance generated by the damping member 150 is larger than the rotational force generated by the torsion spring 140, at least two stages.
At the initial position, for example, after the cover body and the housing are closed, the auxiliary mechanism is unlocked, the movable end 130 is under the limitation of no external force, because the stepped damping rotating shaft mechanism is in the light damping state at this time, under the action of the rotating force of the torsion spring 140, the movable end 130 is driven to drive the cover body to rotate by itself, so that the cover body can be automatically opened and bounced relative to the housing, when the cover body rotates to the second position, the cover body enters the heavy damping state, at this time, the self-rotation of the movable end 130 stops, from the second position, the heavy damping state of the rotating shaft 120 can be overcome by additionally increasing the external force, for example, the cover body is manually rotated, and the movable end 130 and the cover body can be driven to freely hover at any required position.
In this embodiment, the damping member 150 includes a first damping plate 151 and a second damping plate 152 contacting each other to generate frictional resistance, the first damping plate 151 is fixed to the movable end 130, and the second damping plate 152 is fixed to the rotating shaft 120; one end face of one of the first damping fin 151 and the second damping fin 152 is provided with a boss 1521, the other is provided with at least a first damping surface 1511 and a second damping surface 1512, and the damping member 150 is in a first damping state when the boss 1521 slides corresponding to the first damping surface 1511 and is in a second damping state when the boss 1521 slides corresponding to the second damping surface 1512.
It can be understood that, in order to realize more than two levels of damping states, the first damping fin 151 may further have more than two damping surfaces, each damping surface is in a step distribution, and the friction resistance of the protrusion 1521 and each damping surface is different, so as to realize more than two different damping states, but the first damping state should be set to be a light damping state, and the other damping states are all set to be a heavy damping state.
In this embodiment, the first damping plate 151 is provided with a first damping surface 1511 and a second damping surface 1512, the second damping surface 1512 is an end surface of the first damping plate 151, and the first damping surface 1511 is formed by an end surface portion of the first damping plate 151 being recessed inward. A guide surface 1513 is disposed between the first damping surface and the second damping surface 1512 to smooth the sliding of the protrusion 1521, and the guide surface 1513 may be a flat surface or a curved surface. In other embodiments, the first damping surface 1511 may be an inclined surface that gradually increases in depth from the end surface, so that a smooth transition between the first damping state and the second damping state can be achieved.
In this embodiment, it is preferable that the first damper 151 has two first damper surfaces 1511 symmetrical with respect to the axis of the rotation shaft 120, and correspondingly, the second damper 152 has two protrusions 1521.
In this embodiment, a protrusion 1514 is disposed on an end surface of the first damping plate 151 near the movable end 130, a groove 131 engaged with the protrusion 1514 is disposed on the movable end 130, and the first damping plate 151 can rotate synchronously with the movable end 130 by engaging the protrusion 1514 with the groove 131.
In this embodiment, the movable end 130 is provided with a first receiving groove 132 for receiving one end of the torsion spring 140, and the fixed end 110 is provided with a second receiving groove 111 for receiving the other end of the torsion spring 140. The stepped damping rotating shaft mechanism further comprises a spacer sleeve sleeved on the torsion spring 140, and two ends of the spacer sleeve are respectively abutted to the movable end 130 and the fixed end 110.
Thus, the two ends of the torsion spring 140 are respectively installed at the fixed end 110 and the movable end 130 of the rotating shaft 120, the rotating shaft 120 locating sleeve is installed outside, the torsion spring 140 is directly installed on the rotating shaft 120, and the function of automatically bouncing up after being opened is realized. The spacer sleeve can cover the torsion spring 140 and press the movable end 130 and the fixed end 110 tightly, so that the aesthetic appearance of the stepped damping rotating shaft mechanism is ensured, and the rotation of the movable end 130 is also stable.
In this embodiment, the rotating shaft 120 is provided with a limiting tangent plane 121 parallel to the axial direction, the second damping piece 152 is provided with a second limiting surface 1522 matched with the limiting tangent plane 121, and the second damping piece 152 can be limited on the rotating shaft 120 to be non-rotatable through the matching of the second limiting surface 1522 and the limiting tangent plane 121.
In this embodiment, the staged damping rotating shaft mechanism further includes a third damping fin 160, the third damping fin 160 is sleeved on the rotating shaft 120 and located on one side of the second damping fin 152 away from the first damping fin 151, and the third damping fin 160 is provided with a third limiting surface 161 for being matched with the limiting tangent surface 121.
In this embodiment, the fixing end 110 is provided with a first limiting surface 112 for cooperating with the limiting tangent surface 121. The rotation shaft 120 includes a shaft body including a shaft body portion and a shaft head portion, and the rotation shaft 120 connects the fixed end 110, the movable shaft, the torsion spring 140 and the damping member 150 to the shaft body through the locking nut 122 and the washer 123.
The stepped damping rotating shaft of the embodiment structurally realizes stepped damping, realizes the function of adjusting the position of the cover body installed on the movable end 130 in the first-stage light damping state, and realizes the function of arbitrarily suspending a certain position of the movable end 130 of the cover body in the second-stage heavy damping state. The torsion spring 140 allows the movable end 130 to move from the initial position to the second position automatically without an additional driving force.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The utility model provides a hierarchical damping pivot mechanism with bounce function which characterized in that includes:
a fixed end;
the rotating shaft is connected with the fixed end;
the movable end can rotate around the rotating shaft and relative to the fixed end;
the torsional spring is sleeved on the rotating shaft and connected between the fixed end and the movable end, and is used for generating a rotating force to drive the movable end to rotate away from the fixed end;
damping piece, the cover is located in the pivot, damping piece is used for producing frictional resistance in order to hinder the expansion end rotates, damping piece has first damping state and second damping state, when first damping state the revolving force of torsional spring can be overcome the frictional resistance of damping piece makes the expansion end rotates by oneself, when first damping state the frictional resistance of damping piece is greater than the revolving force of torsional spring is in order to stop the expansion end rotates by oneself.
2. The stepped damping rotating shaft mechanism with a bounce function according to claim 1, wherein the damping member comprises a first damping fin and a second damping fin which are contacted to generate frictional resistance, the first damping fin is fixed with the movable end, and the second damping fin is fixed with the rotating shaft;
the end face of one of the first damping piece and the second damping piece is provided with a protruding portion, the other damping piece is at least provided with a first damping surface and a second damping surface, the damping piece is in the first damping state when the protruding portion corresponds to the first damping surface in a sliding mode, and the protruding portion corresponds to the second damping surface in the second damping state in the sliding mode.
3. The stepped damping spindle mechanism with a pop-up function according to claim 2, wherein the first damping fin is provided with the first damping surface and the second damping surface, the second damping surface being an end surface of the first damping fin, the first damping surface being formed by an end surface portion of the first damping fin being recessed inward.
4. The stepped damping spindle mechanism with bounce function according to claim 3, wherein said first damping plate has two said first damping surfaces symmetrical with respect to the axis of said spindle, and correspondingly said second damping plate has two said protrusions.
5. The stepped damping rotating shaft mechanism with a pop-up function according to claim 2, wherein a protrusion is disposed on an end surface of the first damping plate near the movable end, a groove is disposed on the movable end, the protrusion and the groove cooperate with each other, and the first damping plate can rotate synchronously with the movable end through the cooperation of the protrusion and the groove.
6. The rotating shaft mechanism with staged damping function as claimed in claim 2, wherein the movable end has a first receiving slot for receiving one end of the torsion spring, and the fixed end has a second receiving slot for receiving the other end of the torsion spring.
7. The staged damping rotating shaft mechanism with bouncing function as claimed in claim 6, further comprising a spacer sleeve sleeved on the torsion spring, wherein two ends of the spacer sleeve are respectively abutted against the movable end and the fixed end.
8. The stepped damping rotating shaft mechanism with bouncing function as claimed in claim 2, wherein the rotating shaft is provided with a limiting tangent plane parallel to the axis direction, the second damping plate is provided with a second limiting surface matched with the limiting tangent plane, and the second damping plate can be fixed on the rotating shaft to be non-rotatable through the matching of the second limiting surface and the limiting tangent plane.
9. The stepped damping rotating shaft mechanism with a bounce function according to claim 8, further comprising a third damping plate, wherein the third damping plate is sleeved on the rotating shaft and located on one side of the second damping plate far away from the first damping plate, and the third damping plate is provided with a third limiting surface for being matched with the limiting tangent surface.
10. The stepped damping spindle mechanism with bounce function as claimed in claim 8, wherein said fixed end is provided with a first limiting surface for cooperating with said limiting tangent surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221815744.5U CN217682790U (en) | 2022-07-13 | 2022-07-13 | Hierarchical damping rotating shaft mechanism with bounce function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221815744.5U CN217682790U (en) | 2022-07-13 | 2022-07-13 | Hierarchical damping rotating shaft mechanism with bounce function |
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| Publication Number | Publication Date |
|---|---|
| CN217682790U true CN217682790U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221815744.5U Active CN217682790U (en) | 2022-07-13 | 2022-07-13 | Hierarchical damping rotating shaft mechanism with bounce function |
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| CN (1) | CN217682790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116856596A (en) * | 2023-07-13 | 2023-10-10 | 金中天建设集团有限公司 | Unit assembled glass curtain wall system for building outer wall |
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2022
- 2022-07-13 CN CN202221815744.5U patent/CN217682790U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116856596A (en) * | 2023-07-13 | 2023-10-10 | 金中天建设集团有限公司 | Unit assembled glass curtain wall system for building outer wall |
| CN116856596B (en) * | 2023-07-13 | 2024-03-15 | 金中天建设集团有限公司 | Unit assembled glass curtain wall system for building outer wall |
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