CN211599256U - Rotary shaft chain structure - Google Patents

Abstract

A rotating shaft chain group structure is characterized in that a rotating shaft assembly and at least one synchronous rotating assembly are arranged between a first support and a second support which are respectively connected with two objects, the rotating shaft assembly is at least provided with a plurality of connecting pieces which are arranged side by side between the first support and the second support, at least one hollow part is correspondingly arranged on each connecting piece, the synchronous rotating assembly respectively passes through the hollow parts of each connecting piece and is respectively connected with the first support and the second support, so that each connecting piece can be transversely connected in series, the connecting pieces are bent and connected with the synchronous rotating assembly in a linked mode, local parts of the synchronous rotating assembly are respectively covered by each connecting piece, and powder falling and oil discharging caused by friction can be protected and reduced.

Description

Rotary shaft chain structure

technical field

The utility model relates to a rotating shaft chain group structure, in particular to a rotating shaft structure that can partially hide the linking part of the synchronous rotating assembly by the rotating shaft assembly, so as to form a rotating shaft structure that protects and reduces powder falling and oil output.

Background technique

A pivot or rotating shaft that can be reciprocated by external force is assembled on electronic devices (such as mobile phones, notebook computers, PDAs, e-books, etc.), so that the upper cover or display screen can be rotated to have the function of opening and closing , is an existing technology. For example, Taiwan Patent No. 97222022 "Rotation Shaft Structure", No. 98207366 "Pivot Structure" and other patent cases have provided typical embodiments.

In order to enable the tiltable parts (eg, screens) of the electronic device to have more operation modes and application scopes, the prior art has also disclosed a dual hinge between two pivoting modules, so that the two Modules can produce structures with different operating modes or rotation angles; for example: Taiwan No. 99211350 "Dual Axial Hub", No. 99225737 "Dual Axle Hub", US US 7512426 B2 "MOBILE COMMUNICATIONS DEVICE WITHSYNCHRONISING HINGE" patent Cases, etc., all provide feasible embodiments.

Considering the strength of the support structure and the smoothness of the movement, the above-mentioned existing pivot structures are usually arranged in two groups of distributions, and are arranged on both sides of the pivot joint between the display module and the body module of the electronic device (such as a notebook computer). . Therefore, when the operation display screen or the display module is rotated and opened, the coordination of the rotating shafts is not ideal; at the same time, the rotational freedom of the two pivots disposed close to the same center line is also limited, so that the entire electronic device is turned on or off. In the closed rotation process, the smoothness of the action is poor.

In order to improve the above situation, the prior art also discloses a technical means of applying multiple rotation centers to the pivot; "Structure" patent cases, etc., all provide specific examples. The reference data applies a combination of an active joint group and a follow-up joint group; an intermediate linking piece group is arranged between two opposite joint pieces of the active joint group, and the two opposite joint pieces are provided with a synchronous driving part to connect the intermediate linking pieces. plate group; the follower joint group has two follower pieces, which are arranged between two opposite joint pieces of the active joint group; the position of the opposite joint piece toward the inner end corresponds to the position of the outer end of the follower piece, and the shaft pin is combined; The position of the above-mentioned intermediate linking piece group toward the outer end corresponds to the position of the inner end of each follower piece, and the shaft pins are combined; the majority of the active joint groups and the follower joint groups are arranged in parallel to form a multi-section rotating shaft structure.

However, in practical application, as the two mutually pivoted modules are closed or unfolded, friction will be generated between the connecting parts of the rotating shaft components, resulting in powder falling and oil leaking; and the implementation structures disclosed in the prior art Among them, the connecting parts of each rotating shaft assembly are directly exposed to the outside, so during use, the above-mentioned falling powder and oil often directly pollute the surrounding environment, resulting in a lack of application.

Utility model content

The main purpose of the present invention is to provide a rotating shaft chain group structure, which is provided with a rotating shaft assembly and at least one synchronous rotating assembly between the first and second brackets respectively linking two objects, and the rotating shaft assembly at least has a plurality of parallel rotating assemblies. At least one hollowed-out part is arranged on each of the connecting parts along its parallel direction, and the synchronous rotation component passes through the hollowed-out part of each connecting piece, and connects the first and second brackets respectively, so that each connecting piece can be It is connected in series horizontally and forms a curved link that is linked with the synchronous rotating assembly. At the same time, each connecting piece covers a part of the synchronous rotating assembly, which can not only form protection, but also reduce the operation process of the synchronous rotating assembly. In the case of powder falling and oil coming out due to friction.

Another object of the present invention is to provide a rotating shaft chain assembly structure, wherein the synchronous rotating assembly is composed of at least a pivot shaft group and a gear ring group, the pivot shaft group has a plurality of parallel pivot shafts, the teeth The ring group has a plurality of toothed rings that are engaged with each other, respectively pivoting two adjacent pivot shafts, so that when each pivot shaft is subjected to force, it can be connected through the meshing connection of each toothed ring to form a reverse pivot with the same angle, so as to prevent The first and second brackets have a smooth and synchronous rotation effect.

In order to achieve the above objects and effects, the technical means implemented by the present invention include: a first bracket, which links the first object; a second bracket, which links the second object; Between the first and second brackets, at least one hollow part is correspondingly arranged on each connecting piece; the synchronous rotating component that can be bent under force passes through the hollow part of each connecting piece, and connects the first and second brackets respectively, The connecting pieces are connected in series horizontally, and each connecting piece covers a part of the synchronous rotating component respectively.

According to the above structure, the rotating shaft assembly is respectively provided with spacer shaft rods in series between each connecting piece, and each connecting piece corresponding to the two sides of the opening of the hollow portion is respectively provided with arc grooves for jacketing the spacer shaft rods .

According to the above structure, the spacer shaft is a cylinder.

According to the above structure, the synchronous rotation assembly is composed of at least a pivot shaft group and a gear ring group, the pivot shaft group has a plurality of parallel pivot shafts, and the gear ring group has a plurality of partially meshed and engaged teeth. Each toothed ring is respectively provided with at least one shaft hole, and the adjacent pivot shafts are pivotally sleeved respectively, so that the pivotal shafts form a sequential meshing connection through each toothed ring.

According to the above structure, at least part of the side of the shaft hole is provided with an elastic deformation portion that allows elastic expansion.

According to the above structure, the elastic deformation portion is a slot extending outward from the side of the shaft hole.

According to the above structure, the elastic deformation portion is a stop portion protruding from the edge of the shaft hole.

According to the above structure, wherein the synchronous rotation component has a joint seat and a joint piece connected to the two sides of the gear ring group, the joint seat is connected and fixed on the first bracket (or the second bracket), the The coupling element is connected and fixed to the second bracket (or the first bracket).

Description of drawings

FIG. 1 is an exploded perspective view of the utility model.

FIG. 2 is a partial perspective exploded view of the utility model.

FIG. 3 is a partial exploded enlarged view of the synchronous rotating assembly of the present invention.

FIG. 4 is an overall combined appearance view of the utility model.

FIG. 5 is a side sectional view of the overall assembly of the present invention.

FIG. 6 is a schematic diagram of the bending action of the present invention.

Description of symbols in the attached drawings:

1 first bracket

2 Second bracket

3 Spindle assembly

31 Connectors

311 Cutout

315 arc groove

32 Spacer shaft

4 Synchronized rotation assembly

41 Combined seat

411, 421 Recessed hole

42 binding pieces

43 Pivot set

431 First Pivot

432 Second Pivot

433 Third Pivot

434 Fourth Pivot

44, 45 Gear ring group

441, 451 The first ring gear

4411, 4451, 4511, 4551 Convex

442, 452 Second ring gear

443, 453 Third ring gear

444, 454 Fourth ring gear

445, 455 Fifth ring gear

4412, 4421, 4422, 4431, 4432, 4441, 4442, 4452, 4512, 4521, 4522, 4531, 4532, 4541, 4542, 4552

44221, 44321, 44421, 45121, 45221, 45311, 45321, 45421, 45521 Elastic deformation part

Detailed ways

The technical solutions of the present invention will be clearly and completely described below. Obviously, the described embodiments are a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1 to 4, it can be seen that the structure of the present invention includes: a first bracket 1, a second bracket 2, a rotating shaft assembly 3 and a synchronous rotation assembly 4 and other parts; wherein the first bracket 1 links the first object (not shown). As shown, it can be a partial part of the electronic device); the second bracket 2 links the second object (not shown, it can be another partial part of the electronic device).

The rotating shaft assembly 3 is composed of a plurality of connecting pieces 31 and a plurality of spacer shaft rods 32. The connecting pieces 31 are arranged in parallel between the first bracket 1 and the second bracket 2, and each connecting piece 31 is correspondingly provided with at least one hollow. The connecting pieces 31 are respectively provided with arc grooves 315 corresponding to the two sides of the opening of the hollow part 311 .

The spacer shaft rods 32 are respectively abutted between the connecting pieces 31 ; in a preferred embodiment, the spacer shaft rods 32 can be cylindrical, and the two sides of the spacer shaft rods 32 are respectively affected by the arc grooves of the adjacent connecting pieces 31 . 315 is clamped, so that each connecting piece 31 can form a smooth rotation and displacement action through each spacer shaft 32 .

The synchronous rotation component 4 passes through the hollow part 311 of each connecting piece 31, and connects the two sides with the first and second brackets 1 and 2 respectively, so that each connecting piece 31 can be connected in series horizontally, and each connecting piece 31 can cover the synchronization Part of the rotating assembly 4; the synchronous rotating assembly 4 is composed of a joint seat 41, a joint member 42, a pivot shaft group 43 and a gear ring group 44; the joint seat 41 is combined with the first bracket 1 at one side, and the joint member 42 The side is combined with the second bracket 2 .

The pivot shaft group 43 is composed of a plurality of pivot shafts arranged in parallel between the first bracket 1 and the second bracket 2; the toothed ring group 44 has a plurality of toothed rings that are partially engaged and connected, and each toothed ring is pivotally sleeved on two adjacent ones. the pivot shafts, so that the pivot shafts form a sequential meshing connection through the toothed rings.

In this embodiment, a plurality of concave holes 411 are provided on the side of the coupling seat 41 away from the first bracket 1 , a plurality of concave holes 421 are provided on the side of the coupling member 42 away from the second bracket 2 , and the pivot group 43 has parallel The first, second, third, and fourth pivots 431, 432, 433, 434; the toothed ring group 44 has the first, second, third, fourth, and fifth toothed rings 441, 442, 443, 444, 445 , wherein the first, third, and fifth toothed rings 441, 443, and 445 are connected and meshed in sequence. The first toothed ring 441 is provided with a convex portion 4411 on the side, which is combined and fixed in the concave hole 411 of the combination seat 41. The first toothed ring 441 A shaft hole 4412 is provided inside, which is sleeved on the first pivot shaft 431; a convex portion 4451 is provided on the side of the fifth toothed ring 445, which is combined and fixed in the concave hole 421 of the coupling member 42, and the fifth toothed ring 445 is provided with a shaft. The hole 4452 is sleeved on the fourth pivot shaft 434; the third toothed ring 443 is engaged between the first and fifth toothed rings 441 and 445, and there are two shaft holes 4431 and 4432 in it, which are respectively sleeved in the second and third toothed rings 4431 and 4432. The pivot shafts 432 and 433 are provided with an elastic deformation portion 44321 (which can be an outwardly extending slot) on the side of the shaft hole 4432 (or the shaft hole 4431 ) that allows elastic expansion; the second and fourth toothed rings 442 and 444 are meshed with each other. There are two shaft holes 4421, 4422 in the second gear ring 442, which are respectively sleeved on the first and second pivot shafts 431, 432, and the side of the shaft hole 4422 (or the shaft hole 4421) is provided with elastic allowing elastic expansion The deformation portion 44221 (can be an outwardly extending slot); the fourth gear ring 444 is provided with two shaft holes 4441, 4442, respectively sleeved on the third and fourth pivot shafts 433, 434, and in the shaft hole 4442 (or The side of the shaft hole 4441) is provided with an elastic deformation portion 44421 (which can be an outwardly extending slot) that allows elastic expansion.

The first, second, third, fourth, and fifth toothed rings 441, 442, 443, 444, and 445 can make the first, second, third, and fourth pivot shafts 431, 432, 433, and 434 form a connection that can rotate at the same part relation.

In a feasible embodiment, the synchronous rotation assembly 4 further includes a different gear ring group 45, and the gear ring group 45 is composed of first, second, third, fourth, and fifth gear rings 451, 452, 453, 454, 455, It has the same meshing engagement relationship with the first, second, third, fourth, and fifth toothed rings 441, 442, 443, 444, and 445, wherein the first and fifth toothed rings 451 and 455 are provided with convex parts 4511 and 4551 on the sides, respectively. The first and fifth toothed rings 451 and 455 are respectively provided with shaft holes 4512 and 4552, which are respectively sleeved on the first and fourth pivot shafts 431 and 455. 434, on the sides of the shaft holes 4512, 4552 are respectively provided with elastic deformation parts 45121, 45521 that allow elastic expansion (can be a stopper part protruding from the edge of the shaft holes 4512, 4552); the third toothed ring 453 is provided with The two shaft holes 4531 and 4532 are respectively sleeved on the second and third pivot shafts 432 and 433 , and elastic deformation parts 45311 and 45321 (which can be protruded on the sides of the two shaft holes 4531 and 4532 to allow elastic expansion are respectively provided) The second gear ring 452 is provided with two shaft holes 4521 and 4522, which are respectively sleeved on the first and second pivot shafts 431 and 432, and are inserted into the shaft holes 4522 (or shafts). The side of the hole 4521) is provided with an elastic deformation portion 45221 (which can be an outwardly extending slot) that allows elastic expansion; in the fourth toothed ring 454, there are two axial holes 4541, 4542, respectively sleeved on the third and fourth The pivot shafts 433 and 434 are provided with an elastic deformation portion 45421 (which can be an outwardly extending slot) on the side of the shaft hole 4542 (or the shaft hole 4541 ) that allows elastic expansion.

As shown in FIGS. 5 and 6 , it can be seen that when the above-mentioned structure of the present invention is in use, when the first and second brackets 1 and 2 are rotated by force respectively, they can act on the gear ring group through the joint seat 41 and the joint piece 42 respectively. 44 (or gear ring group 45), so that the first, second, third and fourth pivot shafts 431, 432, 433 and 434 of the pivot shaft group 43 can pass through the first, second, third, fourth and fifth gear rings 441, 442, 443, 444, 445 (or the first, second, third, fourth, and fifth toothed rings 451, 452, 453, 454, 455) form synchronous forward and reverse pivoting and displacement to facilitate the first and second objects mutual opening and closing actions.

During the pivoting and displacement process of the first, second, third, and fourth pivots 431, 432, 433, and 434, the elastic deformation parts 44221, 44321, 44421 (or the elastic deformation parts 45121, 45221, 45311, 45321, 45421) , 45521) can effectively absorb the positional deviation caused by the machining accuracy error of each component of the pivot shaft group 43 and the gear ring group 44 or other factors, so that the synchronous rotating assembly 4 can smoothly link the multiple connecting pieces 31 of the rotating shaft assembly 3 , a curved connection is formed between the spacer shafts 32, and at the same time, each connecting piece 31 can cover the local parts of the synchronous rotating assembly 4 respectively, which can not only form a protective effect, but also reduce the powder falling caused by the friction of the synchronous rotating assembly 4. and oil production.

For the above-mentioned structure of the present invention, in practical application, a cover sheet with flexible bending characteristics can be arranged in the hollow portion 311 of each connecting piece 31 as required, or each adjacent connecting piece 31 can be at least close to the hollow portion 311 The parts of 1 are designed to be partially overlapped, so that the synchronous rotating component 4 can be kept completely shielded by the shutter or each connecting piece 31 in the forward and reverse bending states.

To sum up, the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modification, Equivalent replacements, improvements, etc., should all be included within the protection scope of the present invention.

Claims (9)

1. a rotating shaft chain group structure, is characterized in that, comprises at least: The first bracket, linking the first object; The second bracket links the second object; The rotating shaft assembly has a plurality of connecting pieces, which are connected in series between the first and second brackets, and each connecting piece is correspondingly provided with at least one hollow portion; The synchronous rotating component that can be bent under force passes through the hollow part of each connecting piece, and connects the first and second brackets respectively, so that each connecting piece can be connected in series horizontally, and each connecting piece covers the synchronous rotating component respectively. local area. 2 . The rotating shaft chain assembly structure according to claim 1 , wherein the rotating shaft assembly is respectively provided with spacer shafts in series between each connecting piece, and each connecting piece corresponds to the two sides of the opening of the hollow part. 3 . Arc grooves for jacketing the spacer shafts are respectively provided. 3 . The rotating shaft chain group structure according to claim 2 , wherein the spacer shaft is a cylinder. 4 . 4. The rotating shaft chain group structure according to claim 1, 2 or 3, wherein the synchronous rotation assembly is at least composed of a pivot shaft group and a gear ring group, and the pivot shaft group has a plurality of parallel pivot shafts The gear ring group has a plurality of gear rings that are partially meshed and connected, and each gear ring is respectively provided with at least one shaft hole, respectively pivoting the adjacent pivot shafts, so that each pivot shaft forms a sequential meshing connection through each gear ring . 5 . The rotating shaft chain assembly structure according to claim 4 , wherein at least part of the side of the shaft hole is provided with an elastic deformation portion that allows elastic expansion. 6 . 6 . The rotating shaft chain assembly structure according to claim 5 , wherein the elastic deformation portion is a slot extending outward from the side of the shaft hole. 7 . 7 . The rotating shaft chain assembly structure according to claim 5 , wherein the elastic deformation portion is a stop portion protruding from the edge of the shaft hole. 8 . 8 . The structure of the rotating shaft chain set according to claim 4 , wherein the synchronous rotation assembly has a joint seat and a joint piece connected to two sides of the gear ring group, and the joint seat is connected and fixed to the On the first bracket or the second bracket, the coupling element is connected and fixed to the second bracket or the first bracket. 9 . The structure of the rotating shaft chain set according to claim 5 , wherein the synchronous rotating assembly has a joint seat and a joint piece connected to two sides of the gear ring group, and the joint seat is connected and fixed to the On the first bracket or the second bracket, the coupling element is connected and fixed to the second bracket or the first bracket.

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