CN211778492U

CN211778492U - U-shaped gear internal-folding rotating mechanism with constant tangent point

Info

Publication number: CN211778492U
Application number: CN202020297722.9U
Authority: CN
Inventors: 文秀江
Original assignee: Dongguan Jinfeng Electronics Co Ltd
Current assignee: Dongguan Jinfeng Electronics Co Ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-10-27
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a unchangeable U type gear infolding slewing mechanism of tangent point, including the structure main part, the structure main part includes bilateral symmetric distribution's pivot, the pivot includes spout movable block, the slider movable block of slip post movable block and bilateral symmetry, be equipped with circular arc spout and side spout on the spout movable block, be equipped with the slip post on the slip post movable block, the slider movable block includes the slider, the slip post is followed the circular arc spout slides and realizes that the pivot opens and shuts under the unchangeable state of rotation tangent point, the slider is in slide in the side spout and realize 180 degrees screen compensations.

Description

U-shaped gear internal-folding rotating mechanism with constant tangent point

Technical Field

The utility model relates to a pivot design technical field especially relates to an infolding connecting axle, refers in particular to unchangeable U type gear infolding slewing mechanism of tangent point.

Background

At present, no matter be flat board, cell-phone or other take the electronic product of display screen, all be in the direction development to flexible screen, in the development of this technical field, the transition product that appears similar flexible screen function also is indispensable, so-called transition product is exactly that to realize that the double screen is folding, fold the effect through the double screen folding whole screen that reaches, at the in-process of buckling, do not have obvious breaching, wholly give the folding result of use of whole screen, test or feedback out the attitude that the consumer used to the screen is folded through this kind of mode.

To achieve the technical effects, the biggest technical problem is directly transferred from the design of the screen to the design technology of the rotating shaft, how to realize the inward folding needs a special rotating mechanism, the possibility of rotating and folding is considered, the effectiveness of bilateral connection is further considered, and particularly, the problem of synchronous bending needs to be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the weak point among the prior art and provide the unchangeable U type gear infolding slewing mechanism of tangent point.

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

the unchangeable U type gear infolding slewing mechanism of tangential point, including the structure main part, the structure main part includes the pivot of bilateral symmetric distribution, the pivot includes the spout movable block, the slider movable block of slip post movable block and bilateral symmetry, be equipped with circular arc spout and side spout on the spout movable block, be equipped with the slip post on the slip post movable block, the slider movable block includes the slider, the slip post is followed the circular arc spout slides and realizes that the pivot opens and shuts under the unchangeable state of tangential point of rotation, the slider is in slide in the side spout and realize 180 degrees screen compensations.

Particularly, the rotating shaft comprises a middle movable block, and two groups of connecting and positioning movable blocks are arranged between the middle movable block and the sliding column movable block.

Particularly, one end of the sliding block movable block is provided with a cam movable block, the cam movable block is connected with a concave wheel gasket, two groups of cams are arranged on the cam movable block, the concave wheel gasket is provided with a concave wheel, the cam and the concave wheel generate a torsion function in the 0-180-degree rotation process and realize screen support in a 180-degree state, the sliding block movable block is provided with semicircular teeth, four groups of gears are arranged between the semicircular teeth, and the semicircular teeth are meshed with the gears to realize 0-180-degree synchronous rotation.

Particularly, the sliding block moving block is provided with a guide post, the concave wheel gasket is arranged on the guide post, and the guide post is respectively provided with a spring for realizing the functions of elasticity and torsion.

Particularly, one end of the spring is provided with a flat gasket for realizing torque balance and a clamp spring gasket for preventing the gasket from falling off.

Particularly, the structure body comprises a rotating shaft cover, and the rotating shaft is arranged at two ends of the rotating shaft cover.

Particularly, the rotating shaft cover and the casing are locked and fixedly connected through a plurality of groups of screws.

The beneficial effects of the utility model reside in that: the utility model provides a unchangeable U type gear infolding slewing mechanism of tangent point, the slip post is followed the circular arc spout slides and realizes that the pivot opens and shuts under the unchangeable state of rotation tangent point, supporting spring provides elasticity torsion, adopt unsmooth wheel design to realize 180 degrees state screens and support, not only satisfy pivoted validity, the validity of the bilateral connection of screen has more been realized, the technological problem of book in step is solved, the structural design is simple reasonable, pure mechanical transmission ensures its accuracy control of bending, the subassembly design structure of bilateral symmetry, many connecting rods realize that lever mechanism opens and shuts and effectively realize synchronous rotation function, structure itself realizes rotating the connection through multiunit connecting rod and gear assembly, effectively realize connecting, synchronous rotation and slip, and realize screen compensation cushioning effect.

Drawings

Fig. 1 is a 180-degree integral structure diagram of a U-shaped gear inward-turning mechanism with a constant tangent point of the utility model.

Fig. 2 is a 90-degree overall structure diagram of the U-shaped gear inward-turning mechanism with constant tangent point.

Fig. 3 is a 0-degree overall structure diagram of the U-shaped gear inward-turning mechanism with constant tangent point.

Fig. 4 is an overall exploded view of the U-shaped gear inward-turning mechanism with constant tangent point of the present invention.

Fig. 5 is an exploded view of the middle rotating shaft of the U-shaped gear inward-folding rotating mechanism with constant tangent point of the present invention.

Fig. 6 is a structure view of the middle rotating shaft of the U-shaped gear inward-folding rotating mechanism with the same tangent point.

Fig. 7 is a 90-degree structure diagram of the middle rotating shaft of the U-shaped gear inward-turning mechanism with the constant tangent point of the present invention.

Fig. 8 is a drawing of the movable block of the sliding block in the U-shaped gear inward-folding rotating mechanism with the same tangent point.

Fig. 9 is a drawing of the movable block of the chute in the U-shaped gear inward-folding rotating mechanism with constant tangent point of the present invention.

Fig. 10 is a drawing of the movable block of the sliding column in the U-shaped gear inward-folding rotating mechanism with the same tangent point.

Detailed Description

The invention is further described below with reference to the drawings in the specification:

example 1:

as shown in fig. 1-10, the unchangeable U type gear infolding slewing mechanism of tangent point that this embodiment discloses, including structure subject 1, structure subject 1 includes bilateral symmetric distribution's pivot 2, pivot 2 includes the spout movable block 4, the slider movable block 5 of sliding column movable block 3 and bilateral symmetry, be equipped with circular arc spout 6 and side spout 7 on the spout movable block 4, be equipped with the sliding column 8 on the sliding column movable block 3, the slider movable block 5 includes slider 9, sliding column 8 is followed circular arc spout 6 slides and realizes that the pivot opens and shuts under the unchangeable state of rotation tangent point, slider 9 is in slide in side spout 7 realizes 180 degrees screen compensation.

The rotating shaft 2 comprises a middle movable block 10, and two groups of connecting and positioning movable blocks 11 are arranged between the middle movable block 10 and the sliding column movable block 3. The novel screen support device is characterized in that one end of the sliding block moving block 5 is provided with a cam moving block 12, the cam moving block 12 is connected with a concave wheel gasket 13, two groups of cams 14 are arranged on the cam moving block 12, the concave wheel gasket 13 is provided with a concave wheel 15, the cams 14 and the concave wheel 15 generate torque force function in the 0-180-degree rotation process and realize screen support in a 180-degree state, the sliding block moving block 5 is provided with semicircular teeth 16, four groups of gears 17 are arranged between the semicircular teeth 16, and the semicircular teeth 16 are meshed with the gears 17 to realize 0-180-degree synchronous rotation. The sliding block moving block 5 is provided with a guide post 18, the concave wheel gasket 1 is arranged on the guide post 18, and springs 19 for realizing the functions of elasticity and torsion are respectively arranged on the guide post 18. One end of the spring 19 is provided with a flat gasket 20 for realizing torsion balance and a clamp spring gasket 21 for preventing the gaskets from falling off. The structure body 1 comprises a rotating shaft cover 22, and the rotating shaft 2 is arranged at two ends of the rotating shaft cover 22. The two sides of the rotating shaft cover 22 are provided with a casing 23, and the rotating shaft 2, the rotating shaft cover 22 and the casing 23 are locked and fixedly connected through a plurality of groups of screws 24.

The technical principle of the embodiment is as follows:

the sliding column slides along the arc chute to realize that the rotating shaft is opened and closed under the state that the rotating tangent point is unchanged, the matched spring provides elastic torsion, 180-degree state screen support is realized by adopting a concave-convex wheel design, not only the rotating validity is met, but also the validity of bilateral connection of the screen is realized, the technical problem of synchronous inward folding is solved, the structural design is simple and reasonable, the bending precision control of the screen is ensured by pure mechanical transmission, the bilateral symmetrical component design structure is realized, the multi-connecting-rod realizes the opening and closing of a lever-type mechanism and effectively realizes the synchronous rotating function, the structure realizes the rotating connection through a plurality of groups of connecting rods and gear assemblies, the connection, the synchronous rotation and the sliding are effectively realized.

It is right only to go up the preferred embodiment of the utility model discloses a it is not right the utility model discloses a scope is injectd, the event is not deviating from the utility model relates to an under the prerequisite of spirit, ordinary engineering technical personnel in the field is right the equivalent change or the decoration that structure, characteristic and principle do, all should fall into the utility model discloses the protection within range of applying for a patent.

Claims

1. The unchangeable U type gear infolding slewing mechanism of tangent point, its characterized in that: including the structure subject, the structure subject includes bilateral symmetric distribution's pivot, the pivot includes spout movable block, the slider movable block of slip post movable block and bilateral symmetry, be equipped with circular arc spout and side spout on the spout movable block, be equipped with the slip post on the slip post movable block, the slider movable block includes the slider, the slip post is followed the circular arc spout slides and realizes that the pivot opens and shuts under the unchangeable state of rotation tangential point, the slider is in slide in the side spout and realize 180 degrees screen compensations.

2. The U-shaped gear invagination rotation mechanism of claim 1, characterized in that:

the pivot includes middle movable block, middle movable block with be equipped with two sets of connection location movable blocks between the sliding column movable block.

3. The U-shaped gear invagination rotation mechanism of claim 1, characterized in that:

the screen support device is characterized in that a cam movable block is arranged at one end of the sliding block movable block, a concave wheel gasket is connected with the cam movable block, two groups of cams are arranged on the cam movable block, the concave wheel gasket is provided with a concave wheel, the cams and the concave wheel generate a torsion function effect in the 0-180-degree rotation process and realize screen support in the 180-degree state, semicircular teeth are arranged on the sliding block movable block, four groups of gears are arranged between the semicircular teeth, and the semicircular teeth and the gears are meshed to realize 0-180-degree synchronous rotation.

4. The U-shaped gear invagination rotation mechanism of claim 3, characterized in that:

the sliding block moving block is provided with a guide post, the concave wheel gasket is arranged on the guide post, and springs for realizing the functions of elasticity and torsion are respectively arranged on the guide post.

5. The constant-tangent-point U-shaped gear inward-folding rotating mechanism according to claim 4, characterized in that:

one end of the spring is provided with a flat gasket for realizing torque balance and a clamp spring gasket for preventing the gasket from falling off.

6. The U-shaped gear invagination rotation mechanism of claim 1, characterized in that:

the structure main body comprises a rotating shaft cover, and the rotating shaft is arranged at two ends of the rotating shaft cover.

7. The constant-tangent-point U-shaped gear inward-folding rotating mechanism according to claim 6, characterized in that:

the rotating shaft cover is provided with a shell on two sides, and the rotating shaft, the rotating shaft cover and the shell are locked and fixedly connected through a plurality of groups of screws.