CN215333939U - Friction type rotating shaft - Google Patents
Friction type rotating shaft Download PDFInfo
- Publication number
- CN215333939U CN215333939U CN202120355827.XU CN202120355827U CN215333939U CN 215333939 U CN215333939 U CN 215333939U CN 202120355827 U CN202120355827 U CN 202120355827U CN 215333939 U CN215333939 U CN 215333939U
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- rotating shaft
- friction
- parking
- fixing plate
- type rotating
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- 238000009434 installation Methods 0.000 claims abstract description 47
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 230000000284 resting effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a friction type rotating shaft which comprises a fixing plate, a friction plate and a rotating shaft, wherein the fixing plate is provided with an installation part for the rotating shaft to penetrate through, the friction plate is arranged on the fixing plate and is provided with a shaft sleeve part wrapping part of the rotating shaft, a plurality of plane parts are arranged on the outer peripheral wall of the rotating shaft, two adjacent plane parts are connected through an arc surface, a parking surface matched with the plane parts is arranged on the inner peripheral wall of the shaft sleeve part, one plane part is attached to the parking surface when the friction type rotating shaft is in a self-locking state, and the arc surface is abutted to the parking surface when the friction type rotating shaft is in a parking state. The friction type rotating shaft provided by the utility model can keep self-locking at a plurality of angles, meanwhile, multi-angle parking is realized, a user can adjust the angle between the rotating shaft and the fixing plate according to the requirement, the friction type rotating shaft is simple in integral structure, the self-locking and parking operations are convenient, an additional locking structure is not required to be operated, and the friction type rotating shaft is convenient for the user to use.
Description
Technical Field
The utility model relates to the technical field of rotating shafts, in particular to a friction type rotating shaft.
Background
Along with the popularization of electronic consumer goods such as smart mobile phone, panel computer, game machine, for example, can purchase corresponding support product usually for the convenience of using the consumer, cell phone stand for example, current support product is including rotating bottom plate and the backup pad of connecting usually, and the bottom plate passes through pivot structural connection with the backup pad, makes backup pad and bottom plate enclose into stable triangle-shaped through rotating the backup pad when using, can be stable support electronic product such as cell-phone, also can make electronic product's display screen be certain angle convenience of customers and watch or operate. The locking structure that the pivot that adopts adopted in the support product of current is comparatively complicated, and only has usually and draws in and expand two kinds of forms, and the support expands the angle between back bottom plate and the backup pad and is fixed, can't adjust according to user's demand, consequently needs a friction formula pivot that can realize that the multi-angle freely stops to solve above-mentioned technical problem.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the friction type rotating shaft capable of realizing multi-angle free stop is provided.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a friction formula pivot, includes fixed plate, friction disc and axis of rotation, the fixed plate has the confession the installation department that the axis of rotation passed, the friction disc sets up just the friction disc has the parcel part the axle sleeve portion of axis of rotation, be equipped with a plurality of plane portions on the periphery wall of axis of rotation, adjacent two plane portion passes through the cambered surface and connects, be equipped with on the internal perisporium of axle sleeve portion with plane portion complex parking surface, one of them when friction formula pivot is in self-locking state plane portion with the laminating of parking surface, when friction formula pivot is in the parking state the cambered surface with the parking surface supports and holds.
Furthermore, the fixing plate is provided with a first mounting surface, a first mounting hole penetrating through the fixing plate is formed in the first mounting surface, and a through hole aligned with the mounting hole is formed in the friction plate.
Furthermore, one end of the rotating shaft is provided with two second mounting surfaces which are arranged in parallel, and a second mounting hole penetrating through the rotating shaft is formed in the second mounting surfaces.
Furthermore, an installation head is arranged at one end, away from the second installation surface, of the rotating shaft, an inwards concave installation groove is formed in one end, close to the fixing plate, of the installation head, a clamp spring clamped with the installation head is arranged in the installation groove, and two opposite sides of the clamp spring are abutted to the installation head and the fixing plate respectively.
Further, the quantity of installation department is two, two the installation department sets up respectively the relative both sides of fixed plate.
Further, the installation department is the annular, at least one the side of installation department is equipped with the breach, be equipped with on the periphery wall of pivot and stretch into fixture block in the breach.
Furthermore, the number of the plane parts is two, and the two plane parts are perpendicular to each other.
The utility model has the beneficial effects that: the friction type rotating shaft provided by the utility model is provided with the plurality of plane parts and the cambered surfaces on the side surface of the rotating shaft, when the rotating shaft rotates for a certain angle to ensure that the plane parts are attached to the parking surfaces on the friction plates, the self-locking of the friction type rotating shaft is realized, the cambered surfaces are abutted against the parking surfaces in the rotating process of the rotating shaft to ensure that any angle can be kept between the rotating shaft and the friction plates, the multi-angle parking of the friction type rotating shaft is further realized, a user can adjust the angle between the rotating shaft and the fixing plate according to the requirement, meanwhile, the friction type rotating shaft is simple in structure, the self-locking and parking operations are convenient, no additional locking structure is required, and the use by the user is convenient.
Drawings
Fig. 1 is a schematic structural view of a friction-type rotating shaft in a self-locking state according to a first embodiment of the present invention;
FIG. 2 is an exploded view of a friction spindle according to a first embodiment of the present invention;
FIG. 3 is a side view of the friction type rotating shaft in a self-locking state according to the first embodiment of the present invention;
FIG. 4 is a cross-sectional view of the friction type rotating shaft in a self-locking state according to the first embodiment of the present invention;
fig. 5 is a schematic structural view of the friction type rotating shaft in another self-locking state according to the first embodiment of the present invention;
FIG. 6 is a side view of the friction spindle of the first embodiment of the present invention in another self-locking state;
FIG. 7 is a cross-sectional view of the friction spindle of the first embodiment of the present invention in another self-locking state;
fig. 8 is a schematic structural diagram of a friction type rotating shaft in a resting state according to a first embodiment of the present invention;
FIG. 9 is a side view of the friction type rotating shaft of the first embodiment of the present invention in a resting state;
fig. 10 is a cross-sectional view of the friction type rotating shaft in a resting state according to the first embodiment of the utility model.
Description of reference numerals:
1. a fixing plate; 11. an installation part; 12. a first mounting surface; 13. a first mounting hole; 14. a notch; 2. a friction plate; 21. a boss portion; 22. a resting surface; 23. a through hole; 3. a rotating shaft; 31. a planar portion; 32. a cambered surface; 33. a second mounting surface; 34. a second mounting hole; 35. a mounting head; 36. mounting grooves; 37. a clamping block; 4. and a clamp spring.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 10, a friction-type rotating shaft includes a fixing plate 1, a friction plate 2 and a rotating shaft 3, where the fixing plate 1 has an installation portion 11 for the rotating shaft 3 to pass through, the friction plate 2 is disposed on the fixing plate 1, the friction plate 2 has a wrapping portion, a sleeve portion 21 of the rotating shaft 3 is provided, a plurality of planar portions 31 are disposed on an outer circumferential wall of the rotating shaft 3, two adjacent planar portions 31 are connected by an arc surface 32, a parking surface 22 matched with the planar portions 31 is disposed on an inner circumferential wall of the sleeve portion 21, one of the planar portions 31 is attached to the parking surface 22 when the friction-type rotating shaft is in a self-locking state, and the arc surface 32 is abutted to the parking surface 22 when the friction-type rotating shaft is in the parking state.
The structural principle of the utility model is briefly described as follows: friction formula pivot includes fixed plate 1, friction disc 2 and axis of rotation 3 are all installed on fixed plate 1 and friction disc 2 has the boss portion 21 of parcel part axis of rotation 3, be equipped with a plurality of plane portions 31 and two adjacent plane portions 31 on the periphery wall of axis of rotation 3 and pass through cambered surface 32 and connect, be equipped with the parking surface 22 with plane portion 31 matched with on the internal perisporium of boss portion 21, in axis of rotation 3 rotation process, when arbitrary one plane portion 31 and parking surface 22 laminating, axis of rotation 3 and boss portion 21 locking under the parcel of boss portion 21, realize the auto-lock of friction formula pivot, when cambered surface 32 supports with parking surface 22, position that axis of rotation 3 and boss portion 21 kept relatively fixed when the friction between boss portion 21 and the cambered surface 32 produces elastic deformation, realize friction formula pivoted multi-angle free parking.
From the above description, the beneficial effects of the present invention are: the friction type rotating shaft provided by the utility model can keep self-locking at a plurality of angles, meanwhile, multi-angle parking is realized, a user can adjust the angle between the rotating shaft 3 and the fixing plate 1 according to requirements, the whole structure of the friction type rotating shaft is simple, the self-locking and parking operations are convenient, no additional locking structure needs to be operated, and the use by the user is convenient.
Further, the fixing plate 1 is provided with a first mounting surface 12, the first mounting surface 12 is provided with a first mounting hole 13 penetrating through the fixing plate 1, and the friction plate 2 is provided with a through hole 23 aligned with the mounting hole.
As can be seen from the above description, the first mounting surface 12 and the first mounting hole 13 are provided on the fixing plate 1 for mounting the friction plate 2, so that the friction-type rotating shaft is convenient to assemble, and the bracket product can be conveniently mounted on the fixing plate 1 through the first mounting hole 13.
Furthermore, one end of the rotating shaft 3, which is far away from the fixed plate 1, is provided with two second mounting surfaces 33, the two second mounting surfaces 33 are arranged in parallel, and the second mounting surfaces 33 are provided with second mounting holes 34 penetrating through the rotating shaft 3.
As can be seen from the above description, the second mounting surface 33 is provided on the rotating shaft 3 to facilitate the installation of the rack product, and the relative positions of the first mounting surface 12 and the second mounting surface 33 are adjusted by the rotation of the rotating shaft 3, so as to further achieve the folding and unfolding of the rack product.
Furthermore, an installation head 35 is arranged at one end of the rotating shaft 3, an inward concave installation groove 36 is arranged at one end, close to the fixing plate 1, of the installation head 35, a snap spring 4 clamped with the installation head 35 is arranged in the installation groove 36, and two opposite sides of the snap spring 4 are respectively abutted against the installation head 35 and the fixing plate 1.
It can be known from the above description that the circlip 4 is arranged on the rotating shaft 3 to limit the degree of freedom of the rotating shaft 3, so as to prevent the rotating shaft 3 from falling off from the fixing plate 1 in the rotating process, and improve the stability of the whole structure of the friction type rotating shaft.
Further, the quantity of installation department 11 is two, two installation department 11 sets up respectively fixed plate 1's relative both sides.
Further, installation department 11 is the annular, at least one the side of installation department 11 is equipped with breach 14, be equipped with on the periphery wall of pivot and stretch into fixture block 37 in the breach 14.
As can be seen from the above description, the latch 37 abuts against the edge of the notch 14 to limit the rotation angle of the rotating shaft relative to the fixing plate 1, so as to limit the rotation angle of the rotating shaft 3 within the design range.
Further, the number of the plane portions 31 is two, and the two plane portions 31 are perpendicular to each other.
As can be seen from the above description, the number of the plane portions 31 and the angle formed between the plane portions 31 can be set as required, so that the self-locking position and the parking angle of the friction type rotating shaft can meet the design requirements.
Example one
Referring to fig. 1 to 10, a first embodiment of the present invention is: a friction type rotating shaft is applied to a support of an electronic consumer product, the angle formed by a supporting plate and a bottom plate of the support can be changed through the friction type rotating shaft, the support is folded and unfolded, and meanwhile, the friction type rotating shaft can also be applied to electronic products such as a flip phone and a notebook computer.
As shown in fig. 1 and 2, the friction type rotating shaft includes a fixing plate 1, a friction plate 2, a rotating shaft 3 and a clamp spring 4. Be equipped with a plurality of annular installation departments 11 on fixed plate 1, 11 covers of installation department are established in order to incite somebody to action on the axis of rotation 3 install extremely fixed plate 1. The friction plate 2 is arranged on the fixing plate 1, the friction plate 2 is provided with a shaft sleeve part 21 wrapping a part of the rotating shaft 3, and the shaft sleeve part 21 is provided with an elastic force arm matched with the rotating shaft 3. Be equipped with a plurality of plane portions 31 on the periphery wall of axis of rotation 3, adjacent two connect through cambered surface 32 between the plane portion 31, be equipped with on the internal perisporium of axle sleeve portion 21 with plane portion 31 matched with parking face 22.
Specifically, in the process that the rotating shaft 3 rotates in the mounting portion 11, when any one of the plane portions 31 is attached to the parking surface 22, the shaft sleeve portion 21 wraps the rotating shaft 3 to limit the rotation of the rotating shaft 3, so that the self-locking of the friction type rotating shaft is realized, the self-locking of the bracket product is realized at a corresponding angle, and the structural stability of the bracket product is improved; when the cambered surface 32 with when the berth face 22 supports, elastic deformation takes place for the elastic force arm of shaft sleeve portion 21 and will axis of rotation 3 to the berth face 22 compresses tightly, through cambered surface 32 with during the friction between the berth face 22 axis of rotation 3 with the position of friction disc 2 keeps relatively fixed, and then realizes friction formula pivoted multi-angle is berthhed, makes the angle of support product adjust according to user's demand, simple structure, convenient operation, and the user of being convenient for uses.
In detail, the fixing plate 1 is provided with a first mounting surface 12, the first mounting surface 12 is provided with a plurality of first mounting holes 13, the friction plate 2 is provided with through holes 23 aligned with the first mounting holes 13, the friction plate 2 can be mounted on the fixing plate 1 by matching the first mounting holes 13 with the friction plate 2, and the fixing plate 1 can be conveniently connected with a bracket product by the first mounting holes 13, so that the friction type rotating shaft can be conveniently combined and mounted; one end of the rotating shaft 3 is provided with two second mounting surfaces 33, the two second mounting surfaces 33 are arranged in parallel, a second mounting hole 34 penetrating through the rotating shaft 3 is formed in the second mounting surfaces 33, and the rotating shaft 3 and a support product can be conveniently connected through the second mounting hole 34. Therefore, in the process that the rotating shaft 3 rotates relative to the fixing plate 1, the angle formed by the second mounting surface 33 and the first mounting surface 12 changes, and further the angle between two parts of the bracket product provided with the friction type rotating shaft changes, so that the folding and unfolding of the bracket product are realized.
Furthermore, an installation head 35 is arranged at one end, far away from the second installation surface 33, of the rotating shaft 3, the installation head 35 extends out of the fixing plate 1, an inwards concave installation groove 36 is formed in one end, close to the fixing plate 1, of the installation head 35, the clamp spring 4 is clamped with the installation groove 36, two opposite sides of the clamp spring 4 are respectively abutted against the fixing plate 1 and the installation head 35, the rotating shaft 3 is kept in the fixing plate 1 to prevent the rotating shaft 3 from being separated from the installation part 11 in the rotating process, and the stability of the overall structure of the friction type rotating shaft is improved.
Referring to fig. 3 and 4, in the present embodiment, the number of the planar portions 31 is two, and the two planar portions 31 are perpendicular to each other. The quantity of installation department 11 is two and two 11 intervals of installation department set up, friction disc 2 sets up two between the installation department 11, axis of rotation 3 passes one of them in proper order the installation department 11 axle sleeve portion 21 and another installation department 11. One of them be equipped with breach 14 on the installation department 11, the central angle that breach 14 corresponds is 90, still be equipped with convex fixture block 37 on the periphery wall of axis of rotation 3, fixture block 37 stretches into in the breach 14, work as plane portion 31 with when the parking surface 22 laminating, fixture block 37 with one side in the relative both sides of breach 14 supports and holds, works as cambered surface 32 with when the parking surface 22 supports and holds, fixture block 37 is located between the relative both sides of breach 14, through breach 14 restriction the turned angle of axis of rotation 3 prevents that its rotation range from surpassing the restriction and leading to being difficult to the support product to damage. Optionally, the central angle corresponding to the notch 14 is set as required.
When the first mounting surface 12 is parallel to the second mounting surface 33, one of the two planar portions 31 is attached to the parking surface 22, so that the friction-type rotating shaft is in a self-locking state, and at this time, the latch 37 abuts against one side of the notch 14.
As shown in fig. 5 to 7, when the first mounting surface 12 is perpendicular to the second mounting surface 33, the other of the two planar portions 31 abuts against the resting surface 22 to make the friction-type rotating shaft in a self-locking state, and at this time, the latch 37 abuts against the other side of the notch 14.
As shown in fig. 8 to 10, when the first mounting surface 12 and the second mounting surface 33 form a certain angle, the arc surface 32 abuts against the parking surface 22 to make the friction type rotating shaft in a parking state, and at this time, the fixture block 37 is located between two opposite sides of the notch 14, and the rotating shaft 3 can freely rotate to a required angle.
In conclusion, the friction type rotating shaft provided by the utility model can be kept self-locked at a plurality of angles, meanwhile, multi-angle parking is realized, a user can adjust the angle between the rotating shaft and the fixing plate according to the requirement, the friction type rotating shaft is simple in integral structure and good in stability, and the self-locking and parking operations are convenient, so that the friction type rotating shaft is convenient for the user to use.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. A friction formula pivot which characterized in that: including fixed plate, friction disc and axis of rotation, the fixed plate has the confession the installation department that the axis of rotation passed, the friction disc sets up on the fixed plate just the friction disc has the parcel part the boss portion of axis of rotation, be equipped with a plurality of plane portions on the periphery wall of axis of rotation, adjacent two plane portion passes through the cambered surface connection, be equipped with on the internal perisporium of boss portion with plane portion complex parking surface, one of them when friction formula pivot is in self-locking state plane portion with the laminating of parking surface, when friction formula pivot is in the parking state the cambered surface with the parking surface supports and holds.
2. A friction spindle according to claim 1 wherein: the fixing plate is provided with a first mounting surface, a first mounting hole penetrating through the fixing plate is formed in the first mounting surface, and a through hole aligned with the mounting hole is formed in the friction plate.
3. A friction spindle according to claim 1 wherein: and one end of the rotating shaft is provided with two second mounting surfaces which are arranged in parallel, and the second mounting surfaces are provided with second mounting holes penetrating through the rotating shaft.
4. A friction spindle according to claim 3 wherein: an installing head is arranged at one end, far away from the second installing surface, of the rotating shaft, an inwards concave installing groove is formed in one end, close to the fixing plate, of the installing head, a clamp spring clamped with the installing head is arranged in the installing groove, and two opposite sides of the clamp spring are abutted to the installing head and the fixing plate respectively.
5. A friction spindle according to claim 1 wherein: the quantity of installation department is two, two the installation department sets up respectively the relative both sides of fixed plate.
6. A friction spindle according to claim 5 wherein: the installation department is the annular, at least one the side of installation department is equipped with the breach, be equipped with on the periphery wall of pivot and stretch into fixture block in the breach.
7. A friction spindle according to claim 1 wherein: the number of plane portion is two, two plane portion mutually perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120355827.XU CN215333939U (en) | 2021-02-08 | 2021-02-08 | Friction type rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120355827.XU CN215333939U (en) | 2021-02-08 | 2021-02-08 | Friction type rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333939U true CN215333939U (en) | 2021-12-28 |
Family
ID=79581143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120355827.XU Active CN215333939U (en) | 2021-02-08 | 2021-02-08 | Friction type rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114468638A (en) * | 2021-12-30 | 2022-05-13 | 圣奥科技股份有限公司 | Full-dynamic seat |
-
2021
- 2021-02-08 CN CN202120355827.XU patent/CN215333939U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114468638A (en) * | 2021-12-30 | 2022-05-13 | 圣奥科技股份有限公司 | Full-dynamic seat |
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