CN215634352U

CN215634352U - Rotating shaft assembly with dispersed load

Info

Publication number: CN215634352U
Application number: CN202121815246.6U
Authority: CN
Inventors: 朴相根
Original assignee: Dongguan Huazhongxin Technology Co ltd
Current assignee: Dongguan Huazhongxin Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-25
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a rotating shaft assembly with dispersed load, which comprises an installation frame, a first rotating shaft, a second rotating shaft, a moving plate, a first spring, a second spring, a third spring and a fourth spring, wherein one end of the first rotating shaft and one end of the second rotating shaft penetrate through the installation frame and then are in transmission connection, the other end of the first rotating shaft sequentially penetrates through the first spring, the moving plate and the third spring, the other end of the second rotating shaft sequentially penetrates through the second spring, the moving plate and the fourth spring, fixed cams are arranged between the first spring and the moving plate, between the second spring and the moving plate, between the third spring and the moving plate and between the fourth spring and the moving plate, and the fixed cams are mutually clamped with the moving plate. The rotating shaft assembly with dispersed load disperses the load generated during operation towards two sides through the bidirectional spring, reduces the abrasion of the cam, can adjust the position and the force of the spring according to the size and the weight of an installed product, realizes diversification, can realize 180-360-degree rotation on the whole structure, and improves the use possibility of the product.

Description

Rotating shaft assembly with dispersed load

Technical Field

The utility model relates to the technical field of rotating shafts, in particular to a rotating shaft assembly with dispersed load.

Background

The existing notebook or mobile phone has a folding structure, usually, the rotating shafts adopted by the folding structure are all single-sided cams to work, and the single-sided load is completely borne when the plate rotates, so that the large abrasion is formed, the structural performance is poor, and the assembly engineering is complicated.

SUMMERY OF THE UTILITY MODEL

One object of the present invention is: the utility model provides a pivot subassembly of loading dispersion for solve the problem that prior art exists.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a pivot subassembly of loading dispersion, includes mounting bracket, first pivot, second pivot, movable plate, first spring, second spring, third spring and fourth spring, the one end of first pivot with the one end of second pivot is passed the transmission is connected behind the mounting bracket, the other end of first pivot passes in proper order first spring the movable plate with the third spring, the other end of second pivot passes in proper order the second spring the movable plate with the fourth spring, first spring with between the movable plate the second spring with between the movable plate the third spring with between the movable plate the fourth spring with all be provided with fixed cam between the movable plate, fixed cam with the mutual joint of movable plate.

As an optimal technical scheme, a first driving gear and a second driving gear are respectively arranged on two sides of the mounting frame, the first rotating shaft penetrates through the first driving gear, the second rotating shaft penetrates through the second driving gear, and a first driven gear and a second driven gear are in meshing transmission between the first driving gear and the second driving gear.

As a preferred technical scheme, the first rotating shaft penetrates through the mounting frame and then is connected with a first connecting plate, and the second rotating shaft penetrates through the mounting frame and then is connected with a second connecting plate.

Preferably, the first connecting plate is connected to the first rotating shaft by a rivet, and the second connecting plate is connected to the second rotating shaft by a rivet.

As a preferred technical scheme, one end of the first rotating shaft, which is far away from the mounting frame, is connected with a first adjusting nut in a threaded manner, and one end of the second rotating shaft, which is far away from the mounting frame, is connected with a second adjusting nut in a threaded manner.

As a preferable technical solution, a first spacer is disposed between the first adjusting nut and the third spring, and a second spacer is disposed between the second adjusting nut and the fourth spring.

As a preferable technical solution, the first spring, the second spring, the third spring and the fourth spring are all compression springs.

As a preferable technical solution, the first spring, the second spring, the third spring, and the fourth spring are all disc springs.

The utility model has the beneficial effects that: the rotating shaft assembly with dispersed load has bidirectional spring to disperse the load produced during operation to two sides, so as to reduce wear of the cam, regulate the position and force of the spring based on the size and weight of the product, realize diversification, realize 180-360 deg rotation and raise the use possibility of the product.

Drawings

The utility model is explained in more detail below with reference to the figures and examples.

FIG. 1 is a schematic structural view of a load distributing spindle assembly according to an embodiment;

FIG. 2 is an exploded view of a load distributing spindle assembly according to one embodiment;

FIG. 3 is a partial cross-sectional view of a load distributing spindle assembly according to one embodiment;

FIG. 4 is a schematic structural view of a load distributing spindle assembly according to the second embodiment;

FIG. 5 is an exploded view of a load distributing spindle assembly according to the second embodiment.

In fig. 1 to 5:

1. a mounting frame; 2. a first rotating shaft; 3. a second rotating shaft; 4. moving the plate; 5. a first spring; 6. a second spring; 7. a third spring; 8. a fourth spring; 9. a fixed cam; 10. a first drive gear; 11. a second driving gear; 12. a first driven gear; 13. a second driven gear; 14. a first connecting plate; 15. a second connecting plate; 16. riveting; 17. a first adjusting nut; 18. a second adjusting nut; 19. a first gasket; 20. a second gasket.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

The first embodiment is as follows:

as shown in fig. 1 to 3, in this embodiment, a load-dispersed rotating shaft assembly includes an installation frame 1, a first rotating shaft 2, a second rotating shaft 3, a moving plate 4, a first spring 5, a second spring 6, a third spring 7 and a fourth spring 8, one end of the first rotating shaft 2 and one end of the second rotating shaft 3 penetrate through the installation frame 1 and are in transmission connection, the other end of the first rotating shaft 2 penetrates through the first spring 5, the moving plate 4 and the third spring 7 in sequence, the other end of the second rotating shaft 3 penetrates through the second spring 6, the moving plate 4 and the fourth spring 8 in sequence, fixed cams 9 are disposed between the first spring 5 and the moving plate 4, between the second spring 6 and the moving plate 4, between the third spring 7 and the moving plate 4, and between the fourth spring 8 and the moving plate 4, the fixed cam 9 and the moving plate 4 are clamped with each other.

Specifically, first spring 5, second spring 6, third spring 7 and fourth spring 8 are compression spring, first pivot 2 passes be connected with first connecting plate 14 behind the mounting bracket 1, second pivot 3 passes be connected with second connecting plate 15 behind the mounting bracket 1.

The first link plate 14 is connected to the first shaft 2 by a rivet 16, and the second link plate 15 is connected to the second shaft 3 by a rivet 16.

The first connecting plate 14 and the second connecting plate 15 are respectively connected to two plates of a product to be bent, when the two plates of the product are rotated, the first rotating shaft 2 and the second rotating shaft 3 rotate relatively, the first rotating shaft 2 and the second rotating shaft 3 both drive the fixed cam 9 arranged on the first rotating shaft and the second rotating shaft to rotate, when the fixed cam 9 and the moving plate 4 move relatively, the clamping grooves of the fixed cam 9 and the moving plate can rotate by 180-360 degrees and can also stop fixing at any time, because the position of the fixed cam 9 changes during the rotation process, a spring is needed to bear the load, the load on the first rotating shaft 2 is dispersed by the first spring 5 and the third spring 7, the load on the second rotating shaft 3 is dispersed by the second spring 6 and the fourth spring 8, and after the position is clamped, the springs are restored to the original state.

The two sides of the mounting rack 1 are respectively provided with a first driving gear 10 and a second driving gear 11, the first rotating shaft 2 penetrates through the first driving gear 10, the second rotating shaft 3 penetrates through the second driving gear 11, and a first driven gear 12 and a second driven gear 13 are in meshing transmission between the first driving gear 10 and the second driving gear 11.

Under the linkage of the first driving gear 10 and the second driving gear 11, the first rotating shaft 2 and the second rotating shaft 3 synchronously rotate in opposite directions, so that the assembly process is simplified, the rotation can be stopped at any time, the angle is kept, and the abrasion between gears is reduced.

The first rotating shaft 2 is far away from one end of the mounting frame 1 is connected with a first adjusting nut 17 through threads, and the second rotating shaft 3 is far away from one end of the mounting frame 1 is connected with a second adjusting nut 18 through threads.

Specifically, a first spacer 19 is disposed between the first adjusting nut 17 and the third spring 7, and a second spacer 20 is disposed between the second adjusting nut 18 and the fourth spring 8.

The first gasket 19 and the second gasket 20 are added to respectively protect the third spring 7 and the fourth spring 8, the service life of the structure is prolonged, and the strength of the springs can be adjusted by screwing the first adjusting nut 17 and the second adjusting nut 18, so that diversified structures are embodied.

Example two:

as shown in fig. 4 to 5, the present embodiment is different from the first embodiment in that each of the first spring 5, the second spring 6, the third spring 7, and the fourth spring 8 is a disc spring.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles used, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the protective scope of the present invention.

Claims

1. The utility model provides a pivot subassembly of loading dispersion, its characterized in that, includes mounting bracket, first pivot, second pivot, movable plate, first spring, second spring, third spring and fourth spring, the one end of first pivot with the one end of second pivot is passed the transmission is connected behind the mounting bracket, the other end of first pivot is passed in proper order first spring the movable plate with the third spring, the other end of second pivot is passed in proper order the second spring the movable plate with the fourth spring, first spring with between the movable plate the second spring with between the movable plate the third spring with between the movable plate the fourth spring with all be provided with fixed cam between the movable plate, fixed cam with the mutual joint of movable plate.

2. The load dispersing rotating shaft assembly according to claim 1, wherein a first driving gear and a second driving gear are respectively disposed on two sides of the mounting frame, the first rotating shaft penetrates through the first driving gear, the second rotating shaft penetrates through the second driving gear, and a first driven gear and a second driven gear are engaged and driven between the first driving gear and the second driving gear.

3. The load distributing shaft assembly of claim 1, wherein the first shaft is connected to a first connecting plate after passing through the mounting bracket, and the second shaft is connected to a second connecting plate after passing through the mounting bracket.

4. A load distributing shaft assembly as claimed in claim 3, wherein said first connecting plate is riveted to said first shaft and said second connecting plate is riveted to said second shaft.

5. The load distributing shaft assembly of claim 1, wherein a first adjusting nut is threadably connected to an end of the first shaft remote from the mounting bracket, and a second adjusting nut is threadably connected to an end of the second shaft remote from the mounting bracket.

6. The load distributing spindle assembly of claim 5, wherein a first spacer is disposed between the first adjusting nut and the third spring, and a second spacer is disposed between the second adjusting nut and the fourth spring.

7. The load distributing spindle assembly of claim 1, wherein said first spring, said second spring, said third spring and said fourth spring are compression springs.

8. The load distributing spindle assembly of claim 1, wherein said first spring, said second spring, said third spring and said fourth spring are all disc springs.