CN215214348U - Small-outer-diameter large-torque pivot device - Google Patents
Small-outer-diameter large-torque pivot device Download PDFInfo
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- CN215214348U CN215214348U CN202121412240.4U CN202121412240U CN215214348U CN 215214348 U CN215214348 U CN 215214348U CN 202121412240 U CN202121412240 U CN 202121412240U CN 215214348 U CN215214348 U CN 215214348U
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Abstract
The utility model discloses a big torsion pivot ware of little external diameter, it is fixed including pivot, one end first connection piece, the rotatable cover of one end on the pivot tip are established change epaxial second connection piece, setting and be in just axial compresses tightly in the pivot the torsion unit of second connection piece, set up through helicitic texture just compress tightly in the pivot the adjusting nut of torsion unit, be provided with a shell fragment structure on the second connection piece, shell fragment structure is including fixed winding package in the epaxial C shape package circle portion of changeing. The utility model discloses under the big or small prerequisite of the required torsion of guarantee, dwindled the holistic size of pivot ware greatly, can realize the fine setting of torsion size.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a pivot ware, specific theory relate to a big torsion pivot ware of little external diameter.
[ background of the invention ]
Generally, an electronic device such as a notebook computer generally includes a main body and an openable top cover connected by a pivot at an opposite end, so that the top cover can be opened upwards to an operating state or closed downwards to the main body surface by using the pivot as an axis of motion. In order to restore the entire pivot-related member in a less effort state, a labor-saving spring is usually added.
With the trend of ultra-thinning and lightweight design of notebook computers, the requirement for the space structure of the pivot device is higher and higher, and because the installation space provided for the pivot device is narrow, and a larger torque force needs to be maintained. In the prior art, torque is increased by adding a cladding structure, but the cladding structure has the problem of rigidity, so that a screen is easy to shake, and therefore, the design of a small-space large-torque pivot device is difficult.
Therefore, it is necessary to provide a small outer diameter large torque pivot to solve this problem.
[ Utility model ] content
A primary object of the present invention is to provide a small outer diameter large torque pivot device, which greatly reduces the overall size of the pivot device and can realize the fine adjustment of the torque.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a big torsion pivot ware of little external diameter, its includes that pivot, one end are fixed first connection piece, the rotatable cover of one end on the pivot tip are established change epaxial second connection piece, setting are in change epaxial and axial compress tightly the torsion unit of second connection piece, set up through the helicitic texture change in the pivot and compress tightly the adjusting nut of torsion unit, be provided with a shell fragment structure on the second connection piece, the shell fragment structure is including fixed wrapping the epaxial C shape portion of wrapping.
Further, the rotating shaft axially sequentially comprises a first support rod part, a first limit baffle ring, a second support rod part, a threaded rod part and a third support rod part; the diameter of the threaded rod part is smaller than that of the second support rod part, the diameter of the third support rod part is smaller than that of the threaded rod part, and a limited blocking surface is formed at the junction; the first connecting piece is arranged on the first supporting rod part, the torsion unit is arranged on the second supporting rod part, the adjusting nut is arranged on the threaded rod part, and the C-shaped rounding part is arranged on the third supporting rod part.
Furthermore, first connecting piece structure as an organic whole just including erectting the first connecting portion that sets up, the second connecting portion that the level set up, be provided with on the first connecting portion with pivot complex first mounting hole.
Furthermore, the second connecting piece is of an integral structure and comprises a third connecting part vertically arranged, a transition connecting part horizontally arranged and a fourth connecting part vertically arranged, and a second mounting hole matched with the rotating shaft is formed in the third connecting part.
Furthermore, the elastic sheet structure comprises a fifth connecting part which is horizontally arranged and is in an integral structure with the C-shaped round wrapping part, and the fifth connecting part is attached to the surface of the transition connecting part and fixedly connected together through a rivet.
Furthermore, the torsion unit axially and sequentially comprises a first friction plate, a torsion damping plate, a pressing plate, an elastic gasket and a second friction plate, and the first friction plate, the pressing plate and the second friction plate have no rotational freedom with the rotating shaft; the torsion damping sheet, the elastic gasket and the rotating shaft have rotational freedom degrees and can rotate relatively.
Furthermore, the surfaces of the compressing pieces opposite to the torsion damping pieces are provided with concave-convex structural surfaces matched with each other.
Furthermore, a lug axially extends from the torsion damping sheet, and a containing notch for the lug to insert is formed in the third connecting part.
Furthermore, the surfaces of the two sides of the third connecting part are rough structure surfaces for increasing friction coefficients, and the rough structure surfaces are attached to the surface of the first friction plate; the adjusting nut is tightly attached to the second friction plate and arranged on the threaded rod part through a threaded structure.
Furthermore, the circumferential surface of the second limit baffle ring is provided with an angle limit part for limiting the rotation angle range of the second connecting sheet; and a limiting block matched with the angle limiting part is arranged on the surface of one side of the third connecting part.
Compared with the prior art, the utility model relates to a big torsion pivot ware of little external diameter's beneficial effect lies in: the rotary connecting piece (namely the second connecting piece) is axially compressed by the torsion unit, and the torsion is generated by the structural interference fit of the notch structure of the lug and the rotary connecting piece, so that the connecting piece can be kept at any position to be kept when opening and closing, the opening and closing speed of the connecting piece can be suppressed, and the product is prevented from being broken due to too high speed; the rotary connecting piece is provided with a spring piece structure which is fixedly connected with the rotating shaft, and the rotary connecting piece is further provided with rotary damping force in rotation, so that the torque required by the rotation of the rotary connecting piece is increased, and the design of a large-torque structure is realized; the pressing acting force of the torsion unit and the elastic structure is adjusted through the locking nut on the rotating shaft, so that the flexible adjustment of the torsion is realized, and the experience feeling and the use comfort feeling of a user are provided; the whole structure is small and exquisite, and the space occupies for a short time.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosive structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a rotating shaft in an embodiment of the present invention;
fig. 4 is a schematic view of a partially enlarged structure of an embodiment of the present invention;
fig. 5 is a schematic diagram of a partial explosion structure according to an embodiment of the present invention;
the figures in the drawings represent:
100 small outer diameter large torque force pivot;
1, a rotating shaft, 11 first support rod parts, 12 first limit stop rings, 13 second limit stop rings, 14 second support rod parts, 15 threaded rod parts, 16 third support rod parts, 17 limit stop surfaces and 18-angle limit parts; 2 a first connecting piece, 21 a first connecting part, 22 a second connecting part and 23 a first mounting hole; 3, a second connecting piece, 31 a third connecting part, 311 a second mounting hole, 312 an accommodating notch, 313 a rough structural surface, 314 a limiting block, 32 a transition connecting part and 33 a fourth connecting part; 4 torsion units, 41 first friction plates, 42 torsion damping plates, 421 convex blocks, 43 pressing plates, 431 concave-convex structural surfaces, 44 elastic gaskets and 45 second friction plates; 5 adjusting the nut; 6 elastic sheet structure, 61C-shaped round wrapping part, 62 fifth connecting part; 7 rivet.
[ detailed description ] embodiments
Example (b):
referring to fig. 1-5, the present embodiment is a small-outer-diameter large-torque pivot 100, which includes a rotating shaft 1, a first connecting piece 2 having one end fixed on an end of the rotating shaft 1, a second connecting piece 3 having one end rotatably sleeved on the rotating shaft 1, a torque unit 4 disposed on the rotating shaft 1 and axially compressing the second connecting piece 3, and an adjusting nut 5 disposed on the rotating shaft 1 through a thread structure and compressing the torque unit 4, wherein the second connecting piece 3 is provided with a spring structure 6, and the spring structure 6 includes a C-shaped round-wrapping portion 61 fixedly wrapped on the rotating shaft 1.
The rotating shaft 1 comprises a first support rod part 11, a first limit stop ring 12, a second limit stop ring 13, a second support rod part 14, a threaded rod part 15 and a third support rod part 16 in sequence in the axial direction. The threaded shank 15 has a smaller diameter than the second support shank 14, and the third support shank 16 has a smaller diameter than the threaded shank 15 and forms a limited interference stop surface 17 at the interface.
The first connecting piece 2 is of an integral structure and comprises a first connecting part 21 vertically arranged and a second connecting part 22 horizontally arranged, and a first mounting hole 23 matched with the rotating shaft 1 is formed in the first connecting part 21. The first connecting plate 2 is fixedly mounted on the first support rod part 11 through the first mounting hole 23, and one end of the first connecting plate is axially limited through the first limit stop ring 12. The second connecting portion 22 is used for fixedly connecting with the component to be turned over.
The second connecting piece 3 is of an integral structure and comprises a third connecting portion 31 vertically arranged, a transition connecting portion 32 horizontally arranged and a fourth connecting portion 33 vertically arranged, and a second mounting hole 311 matched with the rotating shaft 1 is formed in the third connecting portion 32. The second connecting piece 3 is rotatably mounted on the second support rod part 14 through a second mounting hole 311, and one end is axially limited through a second limit stop ring 13. The elastic sheet structure 6 is fixedly arranged on the transition connecting part 32 through a rivet 7. The elastic sheet structure 6 comprises a fifth connecting part 62 which is horizontally arranged and integrally structured with the C-shaped round wrapping part 61, and the fifth connecting part 62 is attached to the surface of the transition connecting part 32 and fixedly connected together through a rivet 7.
The torsion unit 4 is axially movably arranged on the second support rod 14. The torsion unit 4 axially and sequentially comprises a first friction plate 41, a torsion damping plate 42, a pressing plate 43, an elastic gasket 44 and a second friction plate 45, wherein the first friction plate 41, the pressing plate 43 and the second friction plate 45 do not have rotational freedom with the rotating shaft 1 and need to rotate synchronously; the torsion damping sheet 42 and the elastic pad 44 have a rotational degree of freedom with respect to the rotating shaft 1, and can rotate relatively. The surfaces of the compressing plate 43 opposite to the torsional damping plate 42 are provided with concave-convex structural surfaces 431 which are matched with each other. A projection 421 axially extends from the torsion damping plate 42, and the third connecting portion 31 is provided with a receiving notch 312 for inserting the projection 421. The torsion damping sheet 42 and the second connecting sheet 3 are connected together through the lug 421 and the receiving notch 312, so that a rotary linkage structure is realized, and the rotary torsion of the second connecting sheet 3 is greatly improved.
The surfaces of the two sides of the third connecting portion 31 are rough structural surfaces 313 for increasing friction coefficient, and the rough structural surfaces 313 are attached to the surfaces of the first friction plates 41, so that the pressing force of the torsion unit 4 on the second connecting plate 3 can be improved.
The second limit stop ring 13 is provided with an angle limit portion 18 on the circumferential surface, which limits the range of the rotation angle of the second connecting piece 3. A stopper 314 engaged with the angle stopper 18 is provided on one side surface of the third connecting portion 31.
Adjusting nut 5 hugs closely second friction disc 45 and sets up, and sets up on screw rod portion 15 through helicitic texture, can adjust torsion unit 4 to the ascending dynamics of compressing tightly of second connection piece 3 in the axial through rotatory adjusting nut 5, and then adjusts the rotatory required torsion size of second connection piece 3.
The C-shaped round wrapping part 61 in the spring plate structure 6 is wrapped on the third support rod part 16, and one end of the C-shaped round wrapping part is axially limited through the limiting blocking surface 17.
In the embodiment of the pivot device 100 with small outer diameter and large torque force, the torque force unit is arranged to axially compress the rotary connecting piece (namely the second connecting piece), and the lug notch structure and the rotary connecting piece are in structural interference fit to generate torque force, so that the connecting piece can be kept at any position to be kept when opening and closing, the opening and closing speed of the connecting piece can be suppressed, and the product is prevented from being broken due to too high speed; the rotary connecting piece is provided with a spring piece structure which is fixedly connected with the rotating shaft, and the rotary connecting piece is further provided with rotary damping force in rotation, so that the torque required by the rotation of the rotary connecting piece is increased, and the design of a large-torque structure is realized; the pressing acting force of the torsion unit and the elastic structure is adjusted through the locking nut on the rotating shaft, so that the flexible adjustment of the torsion is realized, and the experience feeling and the use comfort feeling of a user are provided; the whole structure is small and exquisite, and the space occupies for a short time.
The above is only the embodiment of the present invention, and not the limitation of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a big torsion pivot ware of little external diameter which characterized in that: the torsion unit is arranged on the rotating shaft and axially compressed, the adjusting nut is arranged on the rotating shaft and compressed, an elastic sheet structure is arranged on the second connecting sheet, and the elastic sheet structure comprises a C-shaped round wrapping part which is fixedly wrapped on the rotating shaft.
2. A small outer diameter large torque pintle as defined in claim 1, wherein: the rotating shaft axially sequentially comprises a first support rod part, a first limit stop ring, a second support rod part, a threaded rod part and a third support rod part; the diameter of the threaded rod part is smaller than that of the second support rod part, the diameter of the third support rod part is smaller than that of the threaded rod part, and a limited blocking surface is formed at the junction; the first connecting piece is arranged on the first supporting rod part, the torsion unit is arranged on the second supporting rod part, the adjusting nut is arranged on the threaded rod part, and the C-shaped rounding part is arranged on the third supporting rod part.
3. A small outer diameter large torque pintle as defined in claim 1, wherein: the first connecting piece is of an integral structure and comprises a first connecting portion and a second connecting portion, wherein the first connecting portion is vertically arranged, the second connecting portion is horizontally arranged, and a first mounting hole matched with the rotating shaft is formed in the first connecting portion.
4. A small outer diameter large torque pintle as defined in claim 2, wherein: the second connecting piece is of an integral structure and comprises a third connecting portion, a transition connecting portion and a fourth connecting portion, wherein the third connecting portion is vertically arranged, the transition connecting portion is horizontally arranged, the fourth connecting portion is vertically arranged, and a second mounting hole matched with the rotating shaft is formed in the third connecting portion.
5. The small outer diameter large torque pintle as defined in claim 4, wherein: the elastic sheet structure comprises a fifth connecting part which is horizontally arranged and is in an integral structure with the C-shaped round wrapping part, and the fifth connecting part is attached to the surface of the transition connecting part and fixedly connected together through a rivet.
6. The small outer diameter large torque pintle as defined in claim 4, wherein: the torsion unit comprises a first friction plate, a torsion damping plate, a pressing plate, an elastic gasket and a second friction plate in sequence in the axial direction, and the first friction plate, the pressing plate and the second friction plate do not have rotational freedom degrees with the rotating shaft; the torsion damping sheet, the elastic gasket and the rotating shaft have rotational freedom degrees and can rotate relatively.
7. The small outer diameter large torque pintle as defined in claim 6, wherein: the surfaces of the compression pieces opposite to the torsion damping pieces are provided with concave-convex structural surfaces matched with each other.
8. The small outer diameter large torque pintle as defined in claim 6, wherein: a lug axially extends from the torsion damping sheet, and a containing notch for the lug to insert is formed in the third connecting portion.
9. The small outer diameter large torque pintle as defined in claim 6, wherein: the surfaces of the two sides of the third connecting part are rough structural surfaces for increasing friction coefficients, and the rough structural surfaces are attached to the surface of the first friction plate; the adjusting nut is tightly attached to the second friction plate and arranged on the threaded rod part through a threaded structure.
10. The small outer diameter large torque pintle as defined in claim 4, wherein: the circumferential surface of the second limiting baffle ring is provided with an angle limiting part for limiting the rotating angle range of the second connecting sheet; and a limiting block matched with the angle limiting part is arranged on the surface of one side of the third connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412240.4U CN215214348U (en) | 2021-06-24 | 2021-06-24 | Small-outer-diameter large-torque pivot device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412240.4U CN215214348U (en) | 2021-06-24 | 2021-06-24 | Small-outer-diameter large-torque pivot device |
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| Publication Number | Publication Date |
|---|---|
| CN215214348U true CN215214348U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121412240.4U Active CN215214348U (en) | 2021-06-24 | 2021-06-24 | Small-outer-diameter large-torque pivot device |
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| CN (1) | CN215214348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098549A1 (en) * | 2022-11-11 | 2024-05-16 | 宜宾市天珑通讯有限公司 | Rotating assembly |
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2021
- 2021-06-24 CN CN202121412240.4U patent/CN215214348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098549A1 (en) * | 2022-11-11 | 2024-05-16 | 宜宾市天珑通讯有限公司 | Rotating assembly |
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