CN219865876U - Easy pivoted biax switches hinge structure - Google Patents

Abstract

The utility model discloses an easy-to-rotate double-shaft switching hinge structure which comprises two shaft cores, a rotating switching assembly and a connecting assembly, wherein the rotating switching assembly comprises a switching block, a switching wheel and a switching seat for movably connecting the shaft cores, the switching block and the switching seat are sequentially sleeved on the shaft cores, an arc-shaped limiting structure is arranged on the outer surface of the switching block, the switching seat is of a T-shaped structure and comprises a first connecting plate and a boss arranged on one side surface of the first connecting plate, a through hole for embedding the switching wheel is arranged on the boss, the switching wheel is of an elliptic sphere structure, two ends face the switching block, the connecting assembly is sleeved at the end parts of the shaft cores and limits the rotating switching assembly, and the end parts of the switching wheel are embedded into the arc-shaped limiting structure to limit the hinge structure. The utility model has a certain gap between the switching wheel and the switching seat, can be used for placing lubricant, reduces the possibility of damaging components, and simultaneously ensures that the whole hinge is easier to rotate and is not easy to be blocked.

Description

Easy pivoted biax switches hinge structure

Technical Field

The utility model belongs to the technical field of hinges, and particularly relates to an easy-to-rotate double-shaft switching hinge structure.

Background

In the mechanism design of the existing electronic products, the product structure is more and more biased to the miniaturization and light-weight design, the requirements on the hinge design are more diversified, the hinge in the prior art is small in size, and multi-angle rotation can be realized.

As disclosed in chinese patent CN103790928B, a hinge is disclosed, in which a first ball in a dislocation preventing device of the hinge is movably connected with a first connecting rod, a second ball is movably connected with a second connecting rod, a slider is disposed between the first ball and the second ball, and since two sides of the slider are flat surfaces, abrasion is easily generated between the slider and a protrusion of a fixing seat, resulting in unsmooth rotation.

Disclosure of Invention

Aiming at the prior art, the utility model aims to provide an easy-to-rotate double-shaft switching hinge structure.

The specific technical scheme is as follows:

the utility model provides an easy pivoted biax switches hinge structure, includes two mandrels, rotates switching assembly and coupling assembling, rotate switching assembly and including switching the piece, switch the wheel and be used for the switching seat of swing joint mandrel, switching the piece and switch the seat and overlap in proper order and establish on the mandrel, arc limit structure has been seted up on the surface of switching the piece, switching the seat and being T type structure, including first connecting plate and locating the boss of first connecting plate side, set up the through-hole that is used for the embedding to switch the wheel on the boss, switching the wheel and being the elliptic sphere structure, both ends are towards switching the piece, coupling assembling cover establishes the tip at the mandrel, it is spacing to rotate switching assembly, it realizes hinge structure's spacing to switch wheel tip embedding arc limit structure.

Further, the outer surface of the switching wheel is provided with a convex guide bar, and the inner wall of the through hole is provided with a guide groove matched with the guide bar.

Further, the guide bar is long, and a space for placing lubricant is formed between the guide groove and the guide bar.

Further, the first connecting plate is provided with a connecting hole, and the first connecting plate is sleeved on the shaft cores through the connecting hole, so that movable connection of the two shaft cores is realized.

Further, the connecting assembly comprises a second connecting plate, a concave wheel seat, a cam, an elastic sheet and a nut, the second connecting plate, the concave wheel seat, the cam, the elastic sheet and the nut are sequentially sleeved on the shaft core from inside to outside, and the concave wheel seat is connected with the cam in a matched mode, so that a limiting effect is achieved.

Further, a connecting hole is formed in the second connecting plate, the second connecting plate is sleeved on the shaft cores through the connecting hole, movable connection of the two shaft cores is achieved, and gaskets are arranged between the second connecting plate and the switching seat, between the second connecting plate and the concave wheel seat and between the elastic sheet and the screw cap.

Further, the end parts of the two shaft cores are respectively connected with a fixing piece so as to realize the installation connection of the hinge structure on the equipment.

Further, the side end of the first connecting plate facing the switching block is provided with a blocking point, and the arc-shaped limiting structure is provided with a notch which can be matched and connected with the blocking point, so that the two fixing pieces can not rotate simultaneously.

Further, the first connecting plate, the second connecting plate, the groove seat and the gasket are all provided with oil groove holes, and the friction between the parts is reduced by adding the lubricant.

Further, the outer parts of the shaft core, the rotary switching component and the connecting component are sleeved with shells, and the shells are fixed on the concave wheel seat through screws.

The utility model has the beneficial effects that:

the elliptical switching block is adopted, and the guide strip and the guide groove are arranged at the same time to form a space for placing the lubricant, so that the abrasion is reduced, and meanwhile, the locking or unsmooth rotation of the hinge structure is avoided;

the torsion required by the two shaft cores can be independently adjusted, so that the requirements of various working force values are met;

any working angle can be set according to the requirements.

Drawings

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

FIG. 2 is a side view of the switching wheel of the present utility model;

FIG. 3 is a schematic perspective view of a switch seat according to the present utility model;

FIG. 4 is a schematic perspective view of the utility model with the shell removed;

fig. 5 is an enlarged detail view at a.

In the figure: 1. a shaft core; 2. a switching block; 21. an arc-shaped limiting structure; 211. a notch; 3. a switching wheel; 31. a guide bar; 4. a switching seat; 41. a first connection plate; 42. a boss; 421. A through hole; 4211. a guide groove; 43. a blocking point; 5. a second connecting plate; 6. a concave wheel seat; 7. a spring plate; 8. a screw cap; 9. a gasket; 10. a fixing member; 11. a cam; 12. a shell; 13. and (5) a screw.

Detailed Description

The utility model will be further described with reference to the drawings, but the scope of the utility model is not limited thereto.

As shown in fig. 2, four guide strips 31 are arranged on the outer surface of the switching wheel 3, the strip-shaped switching wheel is strip-shaped, as shown in fig. 3, the switching seat 4 is integrally formed, the switching wheel comprises a first connecting plate 41 and a boss 42, a through hole 421 is formed in the center of the boss 42, four guide grooves 4211 matched with the guide strips 31 are formed in the inner wall of the through hole 421, a space for placing lubricant is formed between the guide grooves 4211 and the guide strips 31, the lubricant can be placed, the lubricating effect is achieved between the switching wheel 3 and the switching seat 4, blocking points 43 are arranged at two end parts of the side face of the first connecting plate 41, which faces the boss 42, and an oil slot hole is formed in the first connecting plate 41.

As shown in fig. 1, fig. 4 and fig. 5, an easy-to-rotate double-shaft switching hinge comprises two shaft cores 1, two switching blocks 2, a switching wheel 3, a switching seat 4, a second connecting plate 5, a groove seat 6, a cam 11, an elastic sheet 7, a nut 8, a gasket 9 and two fixing pieces 10, wherein the whole switching block 2 is of a cylindrical structure, an arc limiting structure 21 is formed on the outer surface of the switching block, a notch 211 capable of being matched and connected with a blocking point 43 is formed in the arc limiting structure 21, two connecting holes are formed in a first connecting plate 41 of the switching seat 4, the connecting holes are sleeved on the shaft cores 1, movable connection of the two shaft cores 1 is realized, the switching wheel 3 is of an elliptic sphere structure, two ends face the switching blocks 2, the end parts of the switching wheel 3 are embedded into the arc limiting structure 21, the limiting structure of the hinge is realized, a gasket 9, the second connecting plate 5, the gasket 9, the groove seat 6, the cam 11, the gasket 7, the nut 8 are matched and the groove seat 6 are connected with the cam 11, the groove seat 6 and the gasket 9 are respectively, oil cores are respectively arranged on the second connecting plate 5, the groove seat 6 and the gasket 9, the two shaft cores 1 are respectively connected with a shell 12 through a groove shell 12, and a rotating assembly 12 is fixedly connected to the outer shell assembly 12, and a rotating assembly is respectively, and a shell assembly is fixedly arranged on the shaft core 1.

The notch 211 of the switching block 2 is connected with the blocking point 43 in a matched manner, so that the corresponding fixing piece 10 is prevented from rotating, the other fixing piece 10 is rotated, and when one end part of the switching wheel 3 is just embedded into the arc-shaped limiting structure 21 of the switching block 2, limiting at a certain angle is realized under the action of the concave wheel seat 6 and the cam 11.

Claims (10)

1. The utility model provides an easy pivoted biax switches hinge structure, its characterized in that includes two axle cores (1), rotates switching component and coupling assembling, rotate switching component including switching block (2), switch wheel (3) and be used for swing joint axle core (1) switch seat (4), switch block (2) and switch seat (4) cover in proper order and establish on axle core (1), arc limit structure (21) have been seted up on the surface of switching block (2), switch seat (4) are T type structure, boss (42) including first connecting plate (41) and locating a side of first connecting plate (41), set up through-hole (421) that are used for embedding switching wheel (3) on boss (42), switching wheel (3) are the ellipsoidal structure, both ends are towards switching block (2), coupling assembling cover establishes the tip at axle core (1), it is spacing to rotate switching component, realize hinge structure's spacing in switching wheel (3) tip embedding arc limit structure (21).

2. The easy-to-rotate double-shaft switching hinge structure according to claim 1, characterized in that the outer surface of the switching wheel (3) is provided with a convex guide bar (31), and the inner wall of the through hole (421) is provided with a guide groove (4211) matched with the guide bar (31).

3. A biaxial hinge structure for switching easy rotation as claimed in claim 2, characterized in that the guide bar (31) is elongated, and a space for putting lubricant is formed between the guide groove (4211) and the guide bar (31).

4. The easy-to-rotate double-shaft switching hinge structure according to claim 1, wherein the first connecting plate (41) is provided with a connecting hole, and the first connecting plate (41) is sleeved on the shaft cores (1) through the connecting hole, so that the movable connection of the two shaft cores (1) is realized.

5. The structure of claim 4, wherein the connecting assembly comprises a second connecting plate (5), a cam seat (6), a cam (11), a spring plate (7) and a nut (8), the second connecting plate (5), the cam seat (6), the cam (11), the spring plate (7) and the nut (8) are sequentially sleeved on the shaft core (1) from inside to outside, and the cam seat (6) and the cam (11) are connected in a matched manner.

6. The easy-to-rotate double-shaft switching hinge structure according to claim 5, wherein the second connecting plate (5) is provided with a connecting hole, the second connecting plate (5) is sleeved on the shaft cores (1) through the connecting hole, the movable connection of the two shaft cores (1) is realized, and gaskets (9) are arranged between the second connecting plate (5) and the switching seat (4), between the second connecting plate (5) and the concave wheel seat (6) and between the elastic sheet (7) and the screw cap (8).

7. An easy-to-rotate biaxial switching hinge structure according to claim 6, characterized in that the ends of the two cores (1) are respectively connected with a fixing member (10) for realizing the mounting connection of the hinge structure on the equipment.

8. The structure of claim 4, wherein the side end of the first connecting plate (41) facing the switching block (2) is provided with a blocking point (43), and the arc-shaped limiting structure (21) is provided with a notch (211) capable of being connected with the blocking point (43) in a matching manner.

9. The hinge structure according to claim 7, wherein the first connecting plate (41), the second connecting plate (5), the recess seat (6) and the spacer (9) are provided with oil grooves.

10. An easy-to-rotate double-shaft switching hinge structure as claimed in claim 9, characterized in that the outer parts of the shaft core (1), the rotating switching assembly and the connecting assembly are sleeved with shells (12), and the shells (12) are fixed on the recess wheel seat (6) through screws (13).