CN200978878Y - hub - Google Patents

Abstract

A hinge device comprises a shaft lever, a rotating piece, a fixed sleeve piece and a spring piece group. The shaft lever penetrates through the rotating part, the fixed external member and the elastic sheet set, the shaft lever is provided with a fixed part, the fixed external member is arranged between the fixed part and the rotating part, the fixed external member is provided with a sleeve and at least one fixed block, the sleeve is arranged at the fixed part, the fixed block is sleeved on the sleeve, the elastic sheet set is provided with a fixed elastic sheet and a rotating elastic sheet, the fixed elastic sheet is arranged at the fixed part, the rotating elastic sheet is arranged at one side of the rotating part, and the fixed elastic sheet is attached to the rotating elastic sheet; therefore, the pivot device is simple in structure and easy to assemble, production working hours are further shortened, production cost is reduced, and the friction force generated by the elastic sheet group and the rotating piece is utilized, so that the screen has a good positioning effect when rotating. The pivot device can be assembled additionally, and is assembled with the screen and the seat body before the product is finished, so that the appearance of the product is prevented from being damaged.

Description

hub

technical field

The utility model relates to a hinge, in particular to a hinge which is arranged between a screen and a base and can be used to adjust the angle between the screen and the base.

Background technique

Whether it is work or leisure, modern people must obtain a large amount of information through computer screens or TV screens almost every day. In order to meet the visual needs, in addition to requiring better and better picture quality on the screen, the screen size is getting bigger and bigger. In addition, in order to meet user habits and ergonomics, it is often necessary to adjust the viewing angle of the screen, but often due to insufficient friction provided by the hinge, the screen shakes, causing the screen to collide with other objects, resulting in damage to the screen . Moreover, the known hinges must be installed simultaneously during the product assembly process, which may easily cause the appearance of the product to be scratched and damaged in the subsequent process.

Therefore, the designer of this utility model feels that the above-mentioned shortcomings can be improved, and after painstaking research and combined with the application of theories, he finally proposes a utility model with reasonable design and effective improvement of the above-mentioned shortcomings.

Contents of the invention

The main purpose of this utility model is to provide a hinge, which has a simple structure and easy assembly, thereby shortening the production man-hours and reducing production costs, and using the friction generated by the fixed elastic piece and the rotating elastic piece to make the screen rotate It has a good positioning effect.

In order to achieve the above purpose, the utility model provides a hinge device, including: a shaft, which is provided with a fixed part; a rotating part, the shaft is passed through the rotating part; a fixing sleeve, the shaft is passed through the fixing sleeve , the fixing sleeve is arranged between the fixing part and the rotating part, the fixing sleeve has a sleeve and at least one fixing block, the sleeve is arranged on the fixing part, and the fixing block is sleeved on the sleeve; and the shrapnel set , the shaft is passed through the shrapnel set, the shrapnel set has a fixed shrapnel and a rotating shrapnel, the fixed shrapnel is arranged on the fixing part, the rotating shrapnel is arranged on one side of the rotating member, and the fixed shrapnel is attached to the rotating shrapnel .

According to the hinge device, the fixing part is provided with at least one groove, the sleeve is provided with at least one first protrusion and at least one second protrusion, the first protrusion is inserted into the groove, the The fixing block is sheathed on the second protruding block.

According to the hinge device, the fixing block is recessed inward to form a recess, the fixing elastic piece is provided with two protrusions, the two protrusions are overlapped and arranged on the recess, and the fixing elastic piece is attached to the fixing block.

According to the hinge device, the rotating member is provided with a positioning groove, the rotating elastic piece is provided with a positioning block, the positioning block is arranged in the positioning groove, and the rotating elastic piece is attached to the rotating member.

According to the pivot device, the rotating member is recessed inward to form a limiting portion, the fixing sleeve has a limiting screw, one end of the limiting screw is set on the fixing block, and the other end of the limiting screw is set on the limiting portion.

According to the hinge device, the elastic sheet group has at least one lining, at least one pressure elastic sheet and a nut, the lining is attached to the other side of the rotating member, the pressure elastic sheet is attached to the lining, and the nut The cap is locked on the shaft, and the nut leans against the pressure elastic piece.

According to the pivot device, the pressure elastic piece is a bowl-shaped washer.

According to the hinge, the fixed part and the rotating part are each provided with a spring fixing hole, and a spring is arranged between the fixing part and the rotating part through the two spring fixing holes.

According to the hinge, the shaft is also provided with a fixing hole.

The utility model has the following beneficial effects: the utility model mainly uses the friction between the fixed elastic piece and the rotating elastic piece and between the rotating piece and the lining to generate frictional force, so that the screen has a good friction when rotating. Positioning effect, and the assembly can be completed only in sequence, which simplifies the process, reduces the chance of personnel making mistakes, makes the structure simple and easy to assemble, thereby shortening the production man-hour and reducing the production cost.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the accompanying drawings are for reference and illustration only, and are not intended to limit the present utility model.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the first embodiment of the hinge device of the present invention.

Fig. 2 is a perspective view of the first embodiment of the hinge device of the present invention.

Fig. 3 is a schematic cross-sectional view of the first embodiment of the hinge device of the present invention.

Fig. 4 is a perspective view of the second embodiment of the hinge device of the present invention.

Wherein, the reference signs are explained as follows:

1 shaft

11 Perforation 12 Thread

13 Fixed part

131 Groove

2 rotating parts

21 Limiting part 22 Positioning groove

3 fixing kit

31 sleeve

311 first bump

312 Second bump

32 fixed block

321 fixed port

322 screw holes

323 depression

33 limit screw

4 shrapnel groups

41 Fixed shrapnel

411 protrusion

42 Rotate shrapnel

421 positioning block

43 Lining 44 Nut

45 pressure shrapnel

50 spring fixing hole 51 spring

Detailed ways

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , the utility model provides a hinge, which includes a shaft 1 , a rotating part 2 , a fixing sleeve 3 and a shrapnel set 4 . One end of the shaft 1 is flat and is provided with a through hole 11 , and the other end of the shaft 1 is provided with a thread 12 .

The shaft 1 is passed through the rotating member 2, the fixing sleeve 3 and the shrapnel set 4, and the shaft 1 is also provided with a gear-shaped fixing part 13, and two grooves 131 are arranged on one side of the fixing part 13. . The fixing sleeve 3 is arranged between the fixing part 13 and the rotating part 2. The fixing sleeve 3 has a hollow cylindrical sleeve 31 and a sheet-shaped fixing block 32. Two sleeves are arranged on one side of the sleeve 31. The first protrusion 311, the first protrusion 311 is inserted in the groove 131, so that the sleeve 31 is fixed on the fixing part 13, and the other side of the sleeve 31 is provided with two second protrusions 312 , the center of the fixing block 32 is provided with a fixing opening 321 , the fixing block 32 is sleeved on the two second protrusions 312 through the fixing opening 321 , so that the fixing block 32 is fixed on the other side of the sleeve 31 .

The rotating member 2 is recessed downward to form a limiting portion 21 . The fixing block 32 is provided with a screw hole 322 near the lower edge, and the fixing kit 3 also has a limit screw 33, one end of the limit screw 33 is locked in the screw hole 322, and the other end of the limit screw 33 is set In the position portion 21 , the rotation range of the rotating member 2 is controlled by the size of the gap between the limit screw 33 and the limit portion 21 .

The fixing block 32 is recessed inwardly to form a concave portion 323 . One side of the rotating member 2 is provided with a positioning groove 22 . The shrapnel group 4 has a fixed shrapnel 41 and a rotating shrapnel 42, the rotating shrapnel 42 is attached to the fixing shrapnel 41, the fixing shrapnel 41 extends to one side to form two protrusions 411, and the two protrusions 411 are respectively overlapped and arranged on On both sides of the recessed portion 323 , the fixing elastic piece 41 is fixed on the fixing block 32 , and one side of the fixing elastic piece 41 abuts against the fixing block 32 . The rotating elastic piece 42 extends to the other side to form a protruding positioning block 421. The positioning block 421 is arranged in the positioning groove 22, so that the rotating elastic piece 42 is fixed on the rotating member 2, and the other side of the rotating elastic piece 42 abut against the rotating member 2.

The shrapnel set 4 also has a lining 43, a nut 44 and two pressure shrapnels 45, the lining 43 is attached to the other side of the rotating member 2, and the nut 44 is locked by the thread 12 of the shaft 1. Attached to the shaft 1, the pressure elastic piece 45 is a bowl-shaped washer, and the bowl openings of the two pressure elastic pieces 45 abut against each other, one of the two pressure elastic pieces 45 is attached to the lining 43, the two pressure elastic pieces 45 The other one of the two pressure elastic pieces 45 is attached to the nut 44, and the two pressure elastic pieces 45 can be compressed by adjusting the nut 44; the hinge device of the present invention can be formed through the above-mentioned composition.

In use, the fixing part 13 is fixedly arranged on the base body (not shown), and the rotating member 2 is fixedly arranged on the screen (not shown). When the screen is pulled, it drives the rotating member 2 to rotate, causing friction between the fixed elastic piece 41 and the rotating elastic piece 42 and between the rotating member 2 and the lining 43, and the torque and friction required for rotation proportional to the magnitude of the force. When the pull is stopped, the screen can be held in place by friction. If the weight of the screen is heavy, the two pressure springs 45 can be compressed by adjusting the position of the nut 44 to increase the positive force on the lining 43 in the axial direction, thereby increasing the force generated when the rotating member 2 is rotated. friction to avoid screen shaking.

Please refer to Fig. 4, the second embodiment of the present utility model, the side of the fixing part 13 and the side of the rotating part 2 are each provided with a spring fixing hole 50, through the two spring fixing holes 50 on the fixing part 13 A spring 51 is arranged between the rotating member 2, and the spring 51 is used to increase the required torque when rotating.

The hinge device of the utility model has a simple structure, and only needs to be assembled in order to complete the assembly, which simplifies the process, reduces the chance of personnel making mistakes, further shortens the production man-hours, and reduces the production cost. The generated friction makes the screen have a good positioning effect when rotating. The hinge can be assembled separately. Before the product is completed, the fixing part 13 and the rotating part 2 are respectively assembled with the screen and the seat body to avoid damage to the appearance of the product.

The above is a preferred embodiment of the utility model, and the scope of protection of the utility model is not limited thereto, so all equivalent structural changes using the specification of the utility model and the contents of the accompanying drawings are included in the claims of the utility model middle.

Claims (9)

1, a kind of pivot device is characterized in that, comprising:

Axostylus axostyle, it is provided with fixing part;

Rotating component, this axostylus axostyle is arranged in this rotating component;

Fixed sleeve part, this axostylus axostyle is arranged in this fixed sleeve part, and this fixed sleeve part is arranged between this fixing part and this rotating component, and this fixed sleeve part has sleeve and at least one fixed block, and this sleeve is fixed in this fixing part, and this fixed block is fixed in this sleeve; And

Shell fragment group, this axostylus axostyle are arranged in this shell fragment group, and this shell fragment group has fixation spring tab and rotates shell fragment, and this fixation spring tab is arranged at this fixing part, and this rotation shell fragment is arranged at this rotating component one side, and this fixation spring tab is posted by this rotation shell fragment.

2, pivot device as claimed in claim 1 is characterized in that, this fixing part is provided with at least one groove, and this sleeve is provided with at least one first projection and at least one second projection, and this first projection is inserted in this groove, and this fixed block is sheathed on this second projection.

3, pivot device as claimed in claim 1 is characterized in that, this fixed block formation depressed part that caves inward, and this fixation spring tab is provided with two protuberances, and these two protuberances overlap joints are arranged at this depressed part, and this fixation spring tab is posted by this fixed block.

4, pivot device as claimed in claim 1 is characterized in that, this rotating component is provided with locating slot, and this rotation shell fragment is provided with positioning block, and this positioning block is arranged at this locating slot, and this rotation shell fragment is posted by this rotating component.

5, pivot device as claimed in claim 1 is characterized in that, this rotating component formation limited part that caves inward, and this fixed sleeve part has limited screw, and this limited screw one end is arranged at this fixed block, and this limited screw the other end is arranged at this limited part.

6, pivot device as claimed in claim 1, it is characterized in that, this shell fragment group has at least one liner, at least one pressure shell fragment and a nut, this liner is posted by this rotating component opposite side, this pressure shell fragment is posted by this liner, this nut is attached to this axostylus axostyle, and this nut is posted by this pressure shell fragment.

7, pivot device as claimed in claim 6 is characterized in that, this pressure shell fragment is the bowl-type washer.

8, pivot device as claimed in claim 1 is characterized in that, this fixing part and this rotating component respectively are provided with a spring fixed hole, and spring is arranged between this fixing part and this rotating component by these two spring fixed holes.

9, pivot device as claimed in claim 1 is characterized in that, this axostylus axostyle also is provided with fixed hole.

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