CN219473259U

CN219473259U - Damping mechanism with adjustable stroke and desktop terminal

Info

Publication number: CN219473259U
Application number: CN202320481028.6U
Authority: CN
Inventors: 许开河; 陈根枝
Original assignee: Rongda Hezhong Xiamen Technology Group Co ltd
Current assignee: Rongda Hezhong Xiamen Technology Group Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-04
Anticipated expiration: 2033-03-14

Abstract

The utility model provides a damping mechanism with adjustable stroke, which comprises a main shaft, a damping group sleeved on the main shaft and used for damping the main shaft when the main shaft rotates, and a limiting piece arranged on the main shaft and used for limiting the rotation angle of the main shaft; the main shaft drives the limiting piece to rotate, and the outer circumferential surface of the limiting piece is provided with a first limiting groove and a second limiting groove with different opening angles; according to the damping mechanism, the two first limiting grooves and the two second limiting grooves with different opening angles are formed in the limiting piece, and when the limiting grooves with different strokes are needed, only the mounting direction of the limiting piece is needed to be replaced, so that the selection of different strokes can be realized by only one limiting piece.

Description

Damping mechanism with adjustable stroke and desktop terminal

Technical Field

The utility model relates to the technical field of desktop terminal fittings, in particular to a damping mechanism capable of adjusting stroke and a desktop terminal.

Background

Damping rotating shaft structures commonly applied to desktop terminals in the market at present mainly comprise two types:

one is the single damping rotating shaft, is installed on the chassis of the desktop terminal in the form of part, the structure can bear torsion generally smaller, and can not set the journey, if the journey is to be set, the spare part needs to be added, the use scene is limited, and the cost is higher;

a damping rotating shaft is embedded into a support or a shell, and the rotating shaft and the support or the shell are of an integral structure and are not detachable. The structure is complex, the volume is large, the processing and manufacturing difficulty is high, the reject ratio is high, and the device is not suitable for mass production;

the development trend of desktop terminals requires that the whole product has a technological sense, the appearance modeling has a design sense, the whole multifunctional miniaturization is realized, two types of damping rotating shafts in the current market cannot be met, and the two types of damping rotating shafts cannot meet future development demands in mass production and cost control.

In view of this, the present inventors have specifically devised a damping mechanism with adjustable stroke and a desktop terminal, which is generated by the present disclosure.

Disclosure of Invention

In order to solve the problems, the technical scheme of the utility model is as follows:

the damping mechanism comprises a main shaft, a damping group and a limiting piece, wherein the damping group is sleeved on the main shaft and generates damping to the main shaft when the main shaft rotates, and the limiting piece is arranged on the main shaft and can limit the rotation angle of the main shaft;

the main shaft drives the limiting piece to rotate, and two first limiting grooves and two second limiting grooves with different opening angles are formed in the outer circumferential surface of the limiting piece.

Further, an elastic sheet capable of generating elasticity for the damping group and the limiting sheet is arranged between the damping group and the limiting sheet, and the number of the elastic sheets is at least one and is sleeved on the main shaft.

Further, the number of the elastic sheets is 1-3.

Further, the damping mechanism further comprises a nut used for locking the damping group and the limiting piece on the main shaft, the nut is in threaded connection with the main shaft, and a first damping piece is arranged between the nut and the limiting piece.

Further, the damping group comprises a shaft sleeve sleeved on the main shaft and rotationally connected with the main shaft, and second damping sheets arranged on any side or two sides of the shaft sleeve, and the main shaft drives the second damping sheets to rotate.

Further, a section of first installation part for installing the damping group is arranged on the main shaft, the first installation part is cylindrical, at least one first limiting plane is arranged on the side wall of the first installation part along the central shaft direction, and a second limiting plane matched with the first limiting plane is arranged on the inner side of the second damping fin.

Further, a limiting step for abutting against the second damping fin is further arranged on the main shaft.

Further, a section of second installation part for installing the limiting piece is arranged on the main shaft, the second installation part is cylindrical, at least a third limiting plane is arranged on the side wall of the second installation part along the central shaft direction, and a fourth limiting plane matched with the third limiting plane is arranged on the inner side of the limiting piece.

Further, the main shaft further comprises a third installation portion, and the third installation portion, the limiting step and the first installation portion are sequentially arranged.

Further, the outer side of the shaft sleeve is cylindrical, and at least a fifth limiting plane for preventing the shaft sleeve from rotating is arranged on the outer side wall.

Further, when the spindle rotates, the fifth limiting plane limits the shaft sleeve to rotate.

The desktop terminal comprises a base, a rotating shaft sleeve arranged on the base, damping devices arranged at two ends of the rotating shaft sleeve, and swing arms connected with the two damping devices, wherein the damping devices adopt the damping mechanism.

According to the damping mechanism, the two first limiting grooves and the two second limiting grooves with different opening angles are formed in the limiting piece, and when the limiting grooves with different strokes are needed, only the mounting direction of the limiting piece is needed to be replaced, so that the selection of different strokes can be realized by only one limiting piece.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

Wherein:

FIG. 1 is an exploded view of the damping mechanism of the present utility model;

FIG. 2 is a schematic view of a damping mechanism according to the present utility model;

FIG. 3 is a schematic diagram of a damping mechanism according to a second embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of the spindle of the present utility model;

FIG. 5 is a schematic view of the structure of the limiting plate of the present utility model;

FIG. 6 is a schematic diagram of a desktop terminal according to the present utility model;

FIG. 7 is an exploded view of a desktop terminal of the present utility model;

FIG. 8 is a partial cross-sectional view of a desktop terminal of the present utility model (arrows in the drawings indicate one of the rotational strokes);

FIG. 9 is a partial cross-sectional view of a desktop terminal of the present utility model;

fig. 10 is a schematic view of the structure of the swivel sleeve of the present utility model.

Description of the reference numerals:

10. a main shaft; 11. a first mounting portion; 111. the first limiting plane; 12. a limit step; 13. a second mounting portion; 131. the third limit plane; 14. a third mounting portion; 20. a damping group; 21. a shaft sleeve; 211. a fifth limit plane; 22. a second damping fin; 221. the second limit plane; 30. a limiting piece; 31. a first limit groove; 32. the second limit groove; 33. a fourth limit plane; 40. an elastic sheet; 50. a nut; 60. a first damping fin; 100. a base; 200. a swivel sleeve; 300. and (3) swinging arms.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 5, a stroke-adjustable damping mechanism according to a preferred embodiment of the present utility model includes a main shaft 10, a damping set 20 sleeved on the main shaft 10 and damping the main shaft 10 when the main shaft 10 rotates, and a limiting plate 30 disposed on the main shaft 10 and limiting the rotation angle of the main shaft 10.

The spindle 10 drives the limiting plate 30 to rotate, and the outer circumferential surface of the limiting plate 30 is provided with two first limiting grooves 31 and second limiting grooves 32 with different opening angles, and the limiting plate 30 of the utility model takes two limiting grooves as an example.

An elastic sheet 40 capable of generating elastic force for the damping group 20 and the limiting sheet 30 is also arranged between the damping group and the limiting sheet, and the number of the elastic sheets 40 is at least one and is sleeved on the main shaft 10; 1 to 3 elastic sheets 40 are arranged; the preferred utility model adopts two elastic sheets 40, and certain elasticity can be applied to two sides through the arrangement of the elastic sheets 40, so that the damping effect is improved, and the cross section of the elastic sheets 40 is arc-shaped, so that the elastic sheets are compressed to generate elasticity after pressure is applied.

The damping mechanism further comprises a nut 50 used for locking the damping group 20 and the limiting piece 30 on the main shaft 10, wherein the nut 50 is in threaded connection with the main shaft 10, and a first damping piece 60 is arranged between the nut 50 and the limiting piece 30; the damping group 20 comprises a shaft sleeve 21 sleeved on the main shaft 10 and rotationally connected with the main shaft 10, and second damping fins 22 arranged on any side or two sides of the shaft sleeve 21, and the main shaft 10 drives the second damping fins 22 to rotate; the first damping fin 60 and the second damping fin 22 cooperate with the elastic fin 40, so that the overall damping effect is good.

The main shaft 10 is provided with a section of first installation part 11 for installing the damping group 20, the first installation part 11 is cylindrical, the side wall of the first installation part is provided with at least one first limit plane 111 along the central shaft direction, and the inner side of the second damping fin 22 is provided with a second limit plane 221 matched with the first limit plane 111; the main shaft 10 is further provided with a limiting step 12 for abutting against the second damping fin 22. The spindle 10 is provided with a second mounting portion 13 for mounting the limiting piece 30, the second mounting portion 13 is cylindrical, at least a third limiting plane 131 is disposed on a side wall of the second mounting portion along the central axis direction, and a fourth limiting plane 33 matched with the third limiting plane 131 is disposed on the inner side of the limiting piece 30. The spindle 10 further includes a third mounting portion 14, where the third mounting portion 14, the limiting step 12, and the first mounting portion 11 are sequentially disposed.

The outer side of the shaft sleeve 21 is cylindrical, and at least a fifth limiting plane 211 for preventing the shaft sleeve 21 from rotating is arranged on the outer side wall; when the spindle 10 rotates, the fifth limiting plane 211 limits the rotation of the shaft sleeve 21, and damping is generated by the rotation of the first damping fin and the second damping fin 22.

In the present utility model, two limiting grooves are taken as an example, and two first limiting planes 111, two second limiting planes 221, two third limiting planes 131, two fourth limiting planes 33 and two fifth limiting planes 211 can be provided.

Referring to fig. 6-10, a desktop terminal is provided, which includes a base 100, a rotating shaft sleeve 200 disposed on the base 100, damping devices disposed at two ends of the rotating shaft sleeve 200, and a swing arm 300 connected with the two damping devices, where the damping devices adopt the damping mechanism described above, an installation groove for preventing rotation of the shaft sleeve 21 is disposed on the rotating shaft sleeve 200, and a limiting table for limiting rotation angle is disposed on the rotating shaft sleeve 200, and different rotation strokes can be realized by specifically matching with the first limiting groove 31 and the second limiting groove 32. The central shaft is also provided with a threaded hole for installing the swing arm 300, and the swing arm 300 is connected with the threaded hole through two bolts, so that the main shaft 10 is driven to rotate when the swing arm 300 is rotated, and damping is generated.

In summary, the beneficial effects of the utility model are as follows:

firstly, the utility model provides more choices for the future development of the desktop terminal in appearance modeling, product functions and diversity, and provides richer possibility for the extension and expansion of the desktop terminal in design;

secondly, the utility model discloses a damping mechanism capable of setting a stroke, which has the advantages of small volume, convenient application, larger torsion bearing capacity and simple and reliable structure;

thirdly, the rotation stroke of the damping mechanism is realized by matching a limiting piece on the main shaft with the rotating shaft sleeve; a limiting table is arranged on a specific rotating shaft sleeve, and a limiting piece on a main shaft is matched to limit the rotating stroke, so that the cost is not required to be increased additionally;

fourth, in order to reach rotation balance structurally, set up 2 damping mechanism in the axis of rotation generally, and for the subtend setting, 2 pivots that are opposite direction installation are mirror image relation each other promptly, moreover the damping mechanism of the utility model discloses information only need through with spacing piece upset installation, just can realize controlling the switching-over of installation demand for the material that the damping mechanism of two kinds of formations used is unanimous completely, provides very big facility for batch production and production preparation.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.

Claims

1. The damping mechanism with the adjustable stroke is characterized by comprising a main shaft (10), a damping group (20) sleeved on the main shaft (10) and used for damping the main shaft (10) when the main shaft (10) rotates, and a limiting piece (30) arranged on the main shaft (10) and used for limiting the rotation angle of the main shaft (10);

the main shaft (10) drives the limiting piece (30) to rotate, and two first limiting grooves (31) and second limiting grooves (32) with different opening angles are formed in the outer circumferential surface of the limiting piece (30).

2. The stroke-adjustable damping mechanism according to claim 1, wherein an elastic sheet (40) capable of generating elastic force for the damping group (20) and the limiting sheet (30) is further arranged between the damping group and the limiting sheet, and the number of the elastic sheets (40) is at least one and is sleeved on the main shaft (10).

3. The stroke-adjustable damping mechanism according to claim 1, further comprising a nut (50) for locking the damping group (20) and the limiting piece (30) to the spindle (10), wherein the nut (50) is screwed with the spindle (10), and a first damping piece (60) is arranged between the nut (50) and the limiting piece (30).

4. The damping mechanism with adjustable stroke according to claim 1, wherein the damping group (20) comprises a shaft sleeve (21) sleeved on the main shaft (10) and rotationally connected with the main shaft (10), and second damping fins (22) arranged on any one side or two sides of the shaft sleeve (21), and the main shaft (10) drives the second damping fins (22) to rotate.

5. The damping mechanism with adjustable stroke according to claim 4, wherein a section of first installation part (11) for installing the damping group (20) is arranged on the main shaft (10), the first installation part (11) is cylindrical, at least one first limiting plane (111) is arranged on the side wall of the first installation part along the central shaft direction, and a second limiting plane (221) matched with the first limiting plane (111) is arranged on the inner side of the second damping fin (22).

6. The damping mechanism with adjustable stroke according to claim 5, wherein the main shaft (10) is further provided with a limiting step (12) for abutting against the second damping fin (22).

7. The damping mechanism with adjustable stroke according to claim 4, wherein a section of second installation part (13) for installing the limiting piece (30) is arranged on the main shaft (10), the second installation part (13) is cylindrical, at least one third limiting plane (131) is arranged on the side wall of the second installation part along the central shaft direction, and a fourth limiting plane (33) matched with the third limiting plane (131) is arranged on the inner side of the limiting piece (30).

8. The stroke-adjustable damping mechanism as recited in claim 6, wherein the main shaft (10) further comprises a third mounting portion (14), and the third mounting portion (14), the limiting step (12) and the first mounting portion (11) are sequentially disposed.

9. The damping mechanism with adjustable stroke according to claim 4, wherein the outer side of the shaft sleeve (21) is cylindrical, and the outer side wall is provided with at least a fifth limiting plane (211) for preventing the shaft sleeve (21) from rotating.

10. The desktop terminal is characterized by comprising a base (100), a rotating shaft sleeve (200) arranged on the base (100), damping devices arranged at two ends of the rotating shaft sleeve (200), and swing arms (300) connected with the two damping devices, wherein the damping devices adopt the damping mechanism according to any one of claims 1-9.