CN213711588U

CN213711588U - Slider switching type 180-degree hinge

Info

Publication number: CN213711588U
Application number: CN202021550121.0U
Authority: CN
Inventors: 椤惧伐; 顾工
Original assignee: Dongguan Chenggong Electronic Technology Co ltd
Current assignee: Dongguan Chenggong Electronic Technology Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-07-16
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a slider switching type 180-degree hinge, which comprises an upper shaft, a lower shaft, a connecting sheet, a torsion sheet, a slider and a transmission round block; the connecting piece and the torsion piece are sleeved on the upper shaft and the lower shaft; a sliding groove penetrates through the middle part of the connecting sheet; the sliding block is connected to the sliding groove in a sliding mode and is positioned between the adjacent connecting sheets; the transmission round blocks are correspondingly and fixedly arranged on the upper shaft and the lower shaft at two sides of the sliding block and are matched with the sliding blocks at the adjacent sides of the transmission round blocks; the device also comprises a limiting block; the limiting block is arranged on the connecting piece, is matched with the transmission round block and is used for limiting the rotation angle of the transmission round block; the utility model discloses set up connection piece, slider, transmission circle piece and stopper, through setting up the stopper in the rotation stroke of hinge 180, with the biggest rotation stroke locking of hinge at 180, realize the restriction locking of this hinge angle, prevent the excessive upset of panel computer.

Description

Slider switching type 180-degree hinge

Technical Field

The utility model relates to a hinge field, in particular to 180 hinges of slider switching formula.

Background

In order to improve the service life of a dual-shaft gear hinge used on a notebook computer, a switching hinge adopting a sliding block to replace a gear is provided on the market, the switching hinge comprises a pair of shaft bodies and a connecting sheet, the connecting sheet is relatively sleeved on the shaft bodies, a cam block is sleeved on the shaft bodies, the connecting sheet is connected with the sliding block in a sliding way, the cam is driven by the shaft bodies to be contacted with the sliding block, the rotation of one shaft body can be limited by the sliding block, and the angle fixing mode is achieved, the function of replacing the dual-shaft gear hinge is realized by the sliding block switching type, but the rotation angle of the hinge is not fixed, the rotation range is 0-360 degrees, the rotation angle degree of freedom is large, the hinge can not be fixed at a certain angle, when the hinge is applied to certain products, such as an unfolded tablet computer, the designed maximum unfolding angle is 180 degrees, and, but the flat computer cannot be well fixed, when the unfolded flat computer needs to be unfolded for use at 180 degrees, the panel of the unfolded flat computer can be overturned excessively, so that the use experience is influenced, and even the flat cable is damaged. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a slider switches formula 180 hinges to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a slider switching type 180-degree hinge comprises an upper shaft, a lower shaft, a connecting sheet, a torsion sheet, a slider and a transmission round block; the connecting piece and the torsion piece are sleeved on the upper shaft and the lower shaft; a sliding groove penetrates through the middle part of the connecting sheet; the sliding block is connected to the sliding groove in a sliding mode; the transmission round blocks are correspondingly and fixedly arranged on the upper shaft and the lower shaft at two sides of the sliding block and are matched with the sliding block; the device also comprises a limiting block; the limiting block is arranged on the connecting piece, is matched with the transmission round block and is used for limiting the rotation angle of the transmission round block.

Furthermore, the transmission circular block consists of an outer circular surface and an inner circular surface which are concentrically arranged; the degree of the outer circular surface around the circle center is 230 degrees; the degree of the inner circular surface around the circle center is 130 degrees; a clamping groove is connected between the outer circular surface and the inner circular surface.

Furthermore, the sliding groove is rectangular and is positioned in the central position between the upper shaft and the lower shaft; the sliding block consists of upper and lower layers of sliding bosses and matching parts at the left and right ends, and the sliding bosses are connected with the sliding grooves in a sliding manner; the length of the sliding boss is smaller than that of the sliding groove.

Further, the fitting part comprises a first fitting part and a second fitting part; the first fit part is positioned at the left end of the sliding block and is fit with the excircle surface of the transmission round block; the second fit part is positioned at the right end of the sliding block and is fit with the excircle surface, the inner circle surface and the clamping groove of the transmission round block.

Furthermore, the limiting blocks comprise a first limiting block and a second limiting block; the first limiting block is positioned between the second fit part and the upper shaft and is fit with the clamping groove and the inner circular surface; the second limiting block is correspondingly positioned at the lower part of the other end of the connecting sheet; and the lower shaft is provided with a limit groove matched with the second limit block.

The beneficial effects of the utility model reside in that, 180 rotation locking of hinge have been realized, the utility model discloses a set up connection piece, slider, transmission circle piece, stopper, through the rotation of upper shaft or lower shaft, drive the synchronous rotation of transmission circle piece, and the linkage slider slides for the slider contacts with upper shaft or lower shaft, thereby switches the rotation of upper shaft or lower shaft, and the stopper sets up in 180 rotation strokes of hinge, with the biggest rotation stroke locking of hinge at 180, realizes the restriction locking of this hinge angle, prevents the excessive upset of panel computer.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front partial structure of the present invention;

FIG. 3 is a schematic view of a back partial structure of the present invention;

fig. 4 is a schematic diagram of the explosion structure of the present invention;

fig. 5 is a schematic view of the rotation process of the present invention.

10. An upper shaft; 20. a lower shaft; 21. a limiting groove; 30. connecting sheets; 31. a sliding groove; 40. a torsion piece; 50. a slider; 51. a sliding boss; 52. a first fitting part; 53. a second engagement portion; 60. a transmission round block; 61. an outer circular surface; 62. an inner circular surface; 63. a clamping groove; 70. a first stopper; 71. and a second limiting block.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and use non-precise ratios, and are only used for the purpose of facilitating and clearly assisting the description of the embodiments of the present invention.

As shown in fig. 1 to 4, the utility model discloses a slider switching type 180 ° hinge, which comprises an upper shaft 10, a lower shaft 20, a connecting sheet 30, a torsion sheet 40, a slider 50, a transmission round block 60 and a limiting block;

the connecting piece 30 and the torsion piece 40 are sleeved on the upper shaft 10 and the lower shaft 20;

a sliding groove 31 penetrates through the middle part of the connecting sheet 30; the sliding groove 31 is rectangular and is located at the center between the upper shaft 10 and the lower shaft 20;

the sliding block 50 is slidably connected to the sliding groove 31 and located between the adjacent connecting sheets 30; the slide block 50 is composed of upper and lower layers of sliding bosses 51 and matching parts at the left and right ends, and the sliding bosses 51 are connected with the sliding groove 31 in a sliding manner; the length of the sliding boss 51 is smaller than that of the sliding groove 31; the fitting parts comprise a first fitting part 52 and a second fitting part 53; the first fitting part 52 is positioned at the left end of the slide block 50; the second fitting part 53 is positioned at the right end of the slide block 50;

the transmission round block 60 is correspondingly and fixedly arranged on the upper shaft 10 and the lower shaft 20 at two sides of the sliding block 50 and is matched with the sliding block 50 at the adjacent side; the transmission circular block 60 consists of an outer circular surface 61 and an inner circular surface 62 which are concentrically arranged; the degree of the outer circular surface 61 around the circle center is 230 degrees; the degree of the inner circular surface 62 around the center of the circle is 130 degrees; a clamping groove 63 is connected between the outer circular surface 61 and the inner circular surface 62; the first fitting part 52 fits with the excircle surface 61 of the transmission round block 60; the second fitting part 53 fits with the excircle surface 61, the inner circle surface 62 and the clamping groove 63 of the transmission round block 60;

the limiting blocks are arranged on the connecting sheet 30, are matched with the transmission round block 60, are used for limiting the rotation angle of the transmission round block 60 and comprise a first limiting block 70 and a second limiting block 71; the first stop block 70 is located between the second engaging portion 53 and the upper shaft 10, and is engaged with the locking groove 63 and the inner circular surface 62; the second limiting block 71 is correspondingly positioned at the lower part of the other end of the connecting sheet 30; the lower shaft 20 is provided with a limiting groove 21 matched with the second limiting block 71.

The working principle is as follows: the utility model discloses a rotation of upper shaft 10 or lower shaft 20 drives transmission disk 60 and rotates in step to link slider 50 and slide, make slider 50 and upper shaft 10 or lower shaft 20 contact, thereby switch over the rotation of upper shaft 10 or lower shaft 20, and the stopper setting is in hinge 180 rotation stroke, makes the hinge reach 180 and can not continue to rotate under the state, realizes the restriction locking of this hinge angle;

as shown in fig. 5, the step of turning the hinge from 0 ° to 180 ° is shown, when the hinge is installed in an unfolded tablet computer in a 0 ° state, the tablet computer is in a closed state, the slider 50 is on the right side of the sliding groove 31, the first engaging portion 52 on the slider 50 contacts with the outer circumferential surface 61 of the lower shaft 20, the second engaging portion 53 on the slider 50 contacts with the inner circumferential surface 62 and the locking groove 63 of the upper shaft 10, the first limiting block 70 contacts with the locking groove 63 on the right side of the transmission circular block 60 of the upper shaft 10, the upper shaft 10 is firstly turned clockwise, the upper shaft 10 simultaneously drives the connecting piece 30 to rotate along the lower shaft 20, then the upper shaft 10 is continuously turned clockwise, the transmission circular block 60 on the upper shaft 10 pushes the slider 50 to the left side of the sliding groove 31 and contacts with the inner circumferential surface 62 of the transmission circular block 60 of the lower shaft 20, then the upper shaft 10 is continuously turned clockwise, the transmission circular block 60 on the upper shaft 10 is simultaneously turned clockwise, until the clamping groove 63 on the left side contacts the first limiting block 70, the hinge reaches a state of 180 degrees and cannot be pulled off continuously, so that the tablet personal computer is prevented from being overturned excessively.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a 180 hinges of slider switching formula which characterized in that: comprises an upper shaft, a lower shaft, a connecting sheet, a torsion sheet, a sliding block and a transmission round block; the connecting piece and the torsion piece are sleeved on the upper shaft and the lower shaft; a sliding groove penetrates through the middle part of the connecting sheet; the sliding block is connected to the sliding groove in a sliding mode; the transmission round blocks are correspondingly and fixedly arranged on the upper shaft and the lower shaft at two sides of the sliding block and are matched with the sliding block; the device also comprises a limiting block; the limiting block is arranged on the connecting piece, is matched with the transmission round block and is used for limiting the rotation angle of the transmission round block.

2. A slider switched 180 ° hinge according to claim 1, wherein: the transmission circular block consists of an outer circular surface and an inner circular surface which are concentrically arranged; the degree of the outer circular surface around the circle center is 230 degrees; the degree of the inner circular surface around the circle center is 130 degrees; a clamping groove is connected between the outer circular surface and the inner circular surface.

3. A slider switched 180 ° hinge according to claim 2, wherein: the sliding groove is rectangular and is positioned in the center between the upper shaft and the lower shaft; the sliding block consists of upper and lower layers of sliding bosses and matching parts at the left and right ends, and the sliding bosses are connected with the sliding grooves in a sliding manner; the length of the sliding boss is smaller than that of the sliding groove.

4. A slider switched 180 ° hinge according to claim 3, wherein: the fit part comprises a first fit part and a second fit part; the first fit part is positioned at the left end of the sliding block and is fit with the excircle surface of the transmission round block; the second fit part is positioned at the right end of the sliding block and is fit with the excircle surface, the inner circle surface and the clamping groove of the transmission round block.

5. The slider switched 180 ° hinge of claim 4, wherein: the limiting blocks comprise a first limiting block and a second limiting block; the first limiting block is positioned between the second fit part and the upper shaft and is fit with the clamping groove and the inner circular surface; the second limiting block is correspondingly positioned at the lower part of the other end of the connecting sheet; and the lower shaft is provided with a limit groove matched with the second limit block.