TWM594653U - Hinge chain set structure - Google Patents

Abstract

A rotating shaft chain structure is provided with a rotating shaft assembly and at least one synchronous rotating assembly between first and second brackets respectively connecting two objects. The rotating shaft assembly is provided with at least a plurality of connecting pieces and arranged in parallel on the first and second brackets At least one hollow part is correspondingly provided on each connecting piece, and the synchronous rotating component respectively passes through the hollow part of each connecting piece and connects the first and second brackets respectively, so that the connecting pieces can be connected in series laterally. Moreover, a curved connection linked with the synchronous rotation component is formed. By covering each local part of the synchronous rotation component with each connecting piece, protection and reduction of powder falling and oiling caused by friction can be formed.

Description

Rotary shaft chain structure

This creation is related to the structure of the rotating shaft chain, especially a connecting part where the synchronous rotating components can be partially hidden by the rotating shaft components, so as to form a rotating shaft structure that protects and reduces powder falling and oil leakage.

Pivot shaft or revolving shaft that can be reciprocated by external force is assembled on electronic devices (such as mobile phones, notebook computers, PDAs, e-books, etc.) to make its top cover or display screen rotatable to have opening and closing functions , Department has become a known skill. For example, Taiwan Patent No. 97222022 "Rotary Shaft Structure" and 98207366 "Pivot Structure" and other patent cases have all provided typical embodiments.

In order to make the tiltable parts of the electronic device (for example, the screen) have more operation modes and application ranges in terms of use, conventional technology has also disclosed a dual pivot shaft between two pivoting modules to make the two modules The group can produce structures with different operation modes or rotation angles; for example: Taiwan No. 99211350 "Dual Pivot Hub", No. 99225737 "Dual Axial Hub", US 7512426 B2 "MOBILE COMMUNICATIONS DEVICE WITH SYNCHRONISING HINGE" patent Projects, etc., all provide practical examples.

The above-mentioned conventional pivot structure takes into account the strength of the supporting structure and the smoothness of the movement, and is usually arranged in two groups, arranged at the two ends of the display module of the electronic device (such as a notebook computer) and the body module at the pivotal connection Side position. Therefore, when operating the display screen or the display module is turned and opened, the coordination of the rotating shaft is less than ideal; at the same time, the freedom of rotation of the two pivots arranged near the same center line is also restricted, so that the entire electronic device is turned on Or closed rotation process, the smoothness of the action is poor.

In order to improve the above situation, the prior art also discloses a technical method of applying multiple rotation centers to the pivot; for example, Taiwan No. 101224879 "Multi-section Rotating Shaft Structure" and No. 101224880 "Plug-in Multi-rotating Shaft Structure" Patent cases, etc., provide specific examples. The reference material applies the combination of the active joint group and the follow joint group; an intermediate linkage piece group is provided between two opposing joint pieces of the active joint group, and the two opposite joint pieces are provided with a synchronous activating part to connect the intermediate linkage piece Group; the follower joint group has two follower plates, which are arranged between two opposite joint plates of the active joint group; the position of the opposite joint plates toward the inner end corresponds to the position of the follower plates toward the outer end, and a shaft pin is combined; The position of the linking plate group toward the outer end corresponds to the position of each follower plate toward the inner end, and a shaft pin is combined; the majority of the active joint group and the follower joint group are arranged side by side to form a multi-section rotating shaft structure.

However, in practical applications, as the two pivotally connected modules are closed or unfolded, friction will occur between the connecting parts of the rotating shaft components, resulting in powder falling and oil spilling; and the implementation disclosed in the known techniques In the structure, the connecting parts of each rotating shaft assembly are directly exposed to the outside. Therefore, during use, the above-mentioned falling powder and oil often directly pollute the surrounding environment and form a lack of application.

In view of the above-mentioned shortcomings of the conventional pivot structure, the creators researched and improved these shortcomings, and finally created this creation.

The main purpose of this creation is to provide a rotating shaft chain structure, which is provided with a rotating shaft component and at least one synchronous rotating component between the first and second brackets respectively connecting two objects, the rotating shaft component is provided with at least a plurality of parallel connecting pieces At least one hollow part is provided on each connecting piece along the parallel direction. The synchronous rotation component passes through the hollow part of each connecting piece and connects the first and second brackets respectively, so that the connecting pieces can be connected in series in the horizontal direction. Moreover, a curved connection linked with the synchronous rotating component is formed, and at the same time, each connecting piece covers the local part of the synchronous rotating component respectively, which can not only form a protection, but also reduce the fall caused by friction during the action of the synchronous rotating component Powder and oil.

Another purpose of this creation is to provide a rotating shaft chain structure whose synchronous rotating component is at least composed of a pivot group and a ring gear group, the pivot group has a plurality of parallel pivots, and the ring gear group has a plurality of The meshing gear rings are pivotally connected to two adjacent pivot shafts respectively, so that when the pivot shafts are stressed, they can be connected through the meshing of each gear ring to form a reverse pivot with the same angle, so that the first, The two brackets have smooth and synchronized rotation effect.

In order to achieve the above purpose and effect, the technical means adopted in this creation include: a first bracket to connect a first object; a second bracket to connect a second object; a shaft assembly with a plurality of connecting pieces and parallel strings Connected between the first and second brackets, at least one hollow part is correspondingly provided on each connecting piece; a synchronous rotating component capable of bending by force passes through the hollow part of each connecting piece and connects the first 2. The two brackets enable the connecting pieces to be connected in series horizontally, and each connecting piece respectively covers a part of the synchronous rotating component.

According to the above structure, the rotating shaft assembly is provided with a spaced shaft in series between each of the connecting pieces, and each connecting piece is provided with an arc slot for jacketing the spaced shaft respectively corresponding to the two sides of the opening of the hollow portion.

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

According to the above structure, wherein the synchronous rotation component is at least composed of a pivot group and a ring gear group, the pivot group has a plurality of parallel pivots, the ring gear group has a plurality of partially meshed gear rings, each tooth The rings are respectively provided with at least one shaft hole, respectively pivoting the adjacent pivot shafts, so that each pivot shaft forms a sequentially meshing connection via each tooth ring.

According to the above structure, at least a part of the shaft hole is provided with an elastic deformation portion allowing 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 blocking portion protrudingly provided on the edge of the shaft hole.

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

In order to obtain a more specific understanding of the above purposes, functions and features of this creation, the following drawings are explained as follows:

Please refer to Figures 1 to 4 for the structure of the creation includes: the first bracket 1, the second bracket 2, the rotating shaft assembly 3 and the synchronous rotating assembly 4; wherein the first bracket 1 is connected to a first An object (not shown, may be a local part of an electronic device); the second bracket 2 is connected to a second object (not shown, may be another local part of an electronic device).

The rotating shaft assembly 3 is composed of a plurality of connecting pieces 31 and a plurality of spaced shafts 32. The connecting pieces 31 are arranged in parallel between the first bracket 1 and the second bracket 2, and correspondingly provided on each connecting piece 31 At least one hollowed portion 311, each connecting member 31 corresponding to two sides of the opening of the hollowed portion 311 is respectively provided with an arc groove 315.

The spacer shafts 32 are respectively fitted between the connecting members 31; in a preferred embodiment, the spacer shafts 32 can be a cylindrical body, and the two sides are respectively connected by adjacent ones The arc groove 315 of the member 31 is clamped, so that each engaging member 31 can form a smooth rotation and displacement action through each of the spacing shafts 32.

The synchronous rotating component 4 passes through the hollow portion 311 of each connecting piece 31, and connects the first and second brackets 1 and 2 on both sides, so that each connecting piece 31 can be connected in series laterally, and each connecting piece 31 can Cover the local parts of the synchronous rotating component 4 respectively; the synchronous rotating component 4 is composed of a coupling seat 41, a coupling piece 42, a pivot group 43 and a ring gear group 44; the coupling seat 41 is coupled by one side The first bracket 1 is connected to the second bracket 2 on one side.

The pivot group 43 is composed of a plurality of pivots arranged in parallel between the first bracket 1 and the second bracket 2; the ring gear group 44 has a plurality of tooth rings that are partially meshed and engaged, and each of the ring gears is respectively pivoted on two Adjacent pivots allow each pivot to form a sequentially meshed connection via each ring.

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

The first, second, third, fourth, and five-toothed rings 441, 442, 443, 444, 445 can form the first, second, third, and fourth pivots 431, 432, 433, 434 to have the same part of rotation Connection.

In a feasible embodiment, the synchronous rotation assembly 4 further includes a different ring gear set 45, which is composed of first, second, third, fourth, and fifth tooth rings 451, 452, 453, 454, 455 Composition, with the same meshing engagement relationship with the first, second, third, fourth, and five-toothed rings 441, 442, 443, 444, 445, wherein a convex portion is provided beside the first and fifth-toothed rings 451, 455, respectively 4511 and 4551 are respectively fixed in the concave holes 411 and 421 of the coupling seat 41 and the coupling member 42. The first and the five-toothed rings 451 and 455 are respectively provided with shaft holes 4512 and 4552 which are sleeved on the first One and four pivot shafts 431 and 434 are provided with elastic deformation parts 45121 and 45521 beside the shaft holes 4512 and 4552 respectively (may be a stopper protrudingly provided on the edges of the shaft holes 4512 and 4552) ; The third ring gear 453 is provided with two shaft holes 4531, 4532, which are sleeved on the second and third pivot shafts 432, 433 respectively, and an elasticity allowing elastic expansion is provided beside the two shaft holes 4531, 4532 respectively; Deformation parts 45311 and 45321 (can be a stopper protrudingly provided on the edge of the shaft hole 4531 and 4532); the second ring gear 452 is provided with two shaft holes 4521 and 4522, which are sleeved on the first and second, respectively The pivots 431 and 432 are provided with an elastic deformation part 45221 (which can be an outwardly extending slot) allowing elastic expansion beside the shaft hole 4522 (or shaft hole 4521); and provided in the fourth ring gear 454 The two shaft holes 4541 and 4542 are sleeved on the third and fourth pivot shafts 433 and 434 respectively, and an elastic deformation portion 45421 (which can be an outward direction) that allows elastic expansion is provided beside the shaft hole 4542 (or shaft hole 4541) Extended slot).

Please refer to Figures 5 and 6, it can be seen that when the above structure of this creation is in use, when the first and second brackets 1 and 2 are respectively rotated by force, they can act on the teeth via the coupling seat 41 and the coupling member 42 respectively The ring group 44 (or the tooth ring group 45) enables the first, second, third, and fourth pivots 431, 432, 433, 434 of the pivot group 43 to pass through the first, second, third, fourth, and fifth teeth Rings 441, 442, 443, 444, 445 (or first, second, third, fourth, and five-toothed rings 451, 452, 453, 454, 455) form synchronous forward and reverse pivots and displacements to facilitate this One and two objects open and close each other.

During the pivoting and displacement 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 position deviation caused by the machining accuracy errors of the components of the pivot group 43 and the ring group 44 or other factors, so that the synchronous rotating assembly 4 can smoothly link the complex number of the rotating shaft assembly 3 The engaging member 31 forms a curved connection between the spaced shafts 32, and at the same time, each engaging member 31 can cover a part of the synchronous rotating assembly 4 separately, which can not only form a protective effect, but also reduce the friction of the synchronous rotating assembly 4 due to friction The resulting fall of powder and oil.

In practical application, the above-mentioned structure of this creation can be provided with a mask with flexible bending characteristics in the hollow portion 311 of each connecting member 31, or each adjacent connecting member 31 is at least close to the hollow portion 311 The part is designed as a partially overlapping structure, so that the synchronous rotating component 4 can be kept completely shielded by the mask or the connecting pieces 31 under the forward and reverse bending states.

Based on the above, the creation of the hinge chain group structure can indeed achieve the partial concealment of the connecting parts of the synchronous rotating components to form the effect of protecting and reducing the falling of powder and oil, which is actually a novel and progressive creation. Apply for a new type of patent; however, the above description is only for the description of the preferred embodiment of this creation, and any changes, modifications, changes or equivalent replacements that extend according to the technical means and scope of this creation should also fall into Within the scope of the patent application for this creation.

1: the first bracket

2: second bracket

3: Rotating shaft assembly

31: Connector

311: Cutout

315: arc slot

32: spacer shaft

4: Rotate the component synchronously

41: Combination seat

411, 421: concave hole

42: Joint

43: Pivot group

431: The first pivot

432: Second pivot

433: Third pivot

434: Fourth pivot

44, 45: gear ring group

441, 451: the first gear ring

4411, 4451, 4511, 4551: convex part

442, 452: second gear ring

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: shaft hole

44221, 44321, 44421, 45121, 45221, 45311, 45321, 45421, 45521: elastic deformation section

Figure 1 is a three-dimensional exploded view of this creation.

Figure 2 is a partial exploded view of this creation.

Figure 3 is a partially exploded enlarged view of the synchronous rotating component of this creation.

Figure 4 is the overall appearance of the composition.

Figure 5 is a cross-sectional side view of the overall composition of this creation.

Figure 6 is a schematic diagram of the bending action of this creation.

1: the first bracket

2: second bracket

3: Rotating shaft assembly

4: Rotate the component synchronously

41: Combination seat

42: Joint

Claims (9)

A shaft chain group structure includes at least: A first bracket, connected to a first object; A second bracket, connected to a second object; A rotating shaft assembly has a plurality of connecting pieces, which are connected in series between the first and second brackets, and at least one hollow part is correspondingly provided on each connecting piece; A synchronous rotating component that can be bent by force passes through the hollow parts 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 Local area. The hinge chain structure as described in item 1 of the patent application scope, wherein the hinge assembly is provided with a spacing shaft in series between each connecting piece, and each connecting piece is provided with a clip corresponding to the two sides of the opening of the hollow part Set the arc groove of the spaced shaft. The structure of the rotating shaft chain as described in item 2 of the patent application scope, wherein the spacing shaft is a cylinder. The structure of the rotating shaft chain as described in item 1 or 2 or 3 of the patent application scope, wherein the synchronous rotating component is at least composed of a pivot group and a ring gear group, the pivot group has a plurality of parallel pivots, The gear ring group has a plurality of gear rings that are partially meshed and engaged, and each gear ring is provided with at least one shaft hole, respectively pivoting the adjacent pivot shafts, so that each pivot shaft forms a sequentially meshing connection via each gear ring. According to the structure of the rotating shaft chain set forth in item 4 of the patent application scope, at least a part of the shaft hole is provided with an elastic deformation part which allows elastic expansion. The structure of the rotating shaft chain set as described in item 5 of the patent application scope, wherein the elastic deformation portion is a slot extending outward from the side of the shaft hole. The structure of the rotating shaft chain set as described in item 5 of the patent application scope, wherein the elastic deformation part is a stopper part protrudingly provided on the edge of the shaft hole. The hinge chain assembly structure as described in item 4 of the patent application scope, wherein the synchronous rotation assembly has a coupling seat and a coupling piece connected to the two sides of the ring gear group, the coupling seat is connected and fixed to the first bracket (Or the second bracket), the coupling member is connected and fixed to the second bracket (or the first bracket). The hinge chain structure as described in item 5 of the patent application scope, wherein the synchronous rotation assembly has a coupling seat and a coupling piece connected to the two sides of the ring gear group, the coupling seat is connected and fixed to the first bracket (Or the second bracket), the coupling member is connected and fixed to the second bracket (or the first bracket).

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