CN215761071U

CN215761071U - Hinge with twice self-locking and limiting functions

Info

Publication number: CN215761071U
Application number: CN202023300098.2U
Authority: CN
Inventors: 刘依军
Original assignee: Dongguan Chenggong Electronic Technology Co ltd
Current assignee: Dongguan Chenggong Electronic Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-02-08
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a hinge with a twice self-locking function and a limiting function, which comprises a shaft body, a rotary bearing frame, a self-locking plate and a limiting plate, wherein the shaft body is provided with a first end and a second end; the rotary bearing frame is hinged with the shaft body, and a first self-locking part and a first limiting part are arranged on the rotary bearing frame; the self-locking plate is fixedly arranged on the shaft body, and a second self-locking part which corresponds to the first self-locking part is arranged on the self-locking plate; the limiting sheet is fixedly arranged on the shaft body, and a second limiting part which corresponds to the first limiting part is arranged on the limiting sheet; according to the utility model, the first self-locking part is arranged on the rotary bearing frame hinged with the shaft body, the corresponding second self-locking part is arranged on the self-locking piece fixedly connected with the shaft body, when the rotary bearing frame rotates to a set angle, the first self-locking part can slide into the second self-locking part, the self-locking function is realized, the situation of position deviation under the action of gravity and slight external force can be avoided, compared with the traditional mode of locking by increasing the torque, the mode can keep locking under the appropriate torque, the product is protected, and the hand feeling is optimized.

Description

Hinge with twice self-locking and limiting functions

Technical Field

The utility model relates to the technical field of hinges, in particular to a hinge with a twice self-locking function and a limiting function.

Background

A hinge is a mechanical device used to connect two solids and allow relative rotation between them. With the development of product diversification, the flip angle requirements of products are variable, some product manufacturers require that the products are locked at some angles, and the conventional hinge generally increases the torsion to enable the products to be locked at any angle, but the hinge is difficult to rotate and may damage the products. The hinge is provided with a limiting block on the rotation stroke of the product required to be locked, and the locking of a required angle is realized by blocking of the limiting block, but the mode can only realize the locking of one angle and can be shifted under the action of gravity. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hinge with a twice self-locking and limiting function, so as to solve the problems.

The utility model realizes the purpose through the following technical scheme:

a hinge with twice self-locking and limiting functions comprises a shaft body, a rotary bearing frame, a self-locking plate and a limiting plate; the rotary bearing frame is hinged with the shaft body, and a first self-locking part and a first limiting part are arranged on the rotary bearing frame; the self-locking plate is fixedly arranged on the shaft body, and a second self-locking part which corresponds to the first self-locking part is arranged on the self-locking plate; the limiting piece is fixedly arranged on the shaft body, and a second limiting part which corresponds to the first limiting part is arranged on the limiting piece.

Furthermore, the elastic shaft body also comprises a cap body, a fixing sheet and an elastic sheet which are fixedly arranged on the shaft body; the fixing piece is arranged at the lower part of the cap body; the elastic sheet is arranged at the lower part of the fixing sheet; the rotary bearing frame, the self-locking plate and the limiting plate are all arranged at the lower part of the elastic sheet.

Further, the swivel carrier comprises a stand carrier and a swivel; the bearing part is used for installing a product; the rotating part is articulated with the shaft body.

Further, the first self-locking part is a self-locking groove; the second self-locking part is a self-locking boss.

Furthermore, transition cambered surfaces are arranged at the left end and the right end of the first self-locking part and the second self-locking part.

Further, the positions of the first self-locking part and the second self-locking part are correspondingly arranged in the rotation strokes of-5 degrees and 92 degrees of the hinge.

Furthermore, the first limiting part is a limiting stop block; the second limiting part is a limiting groove.

Furthermore, the starting point of the limiting groove is arranged in the-5-degree rotation stroke of the hinge, and the end point of the limiting groove is arranged in the 243-degree rotation stroke of the hinge.

Compared with the prior art, the utility model has the beneficial effects that:

1. has self-locking function. According to the utility model, the first self-locking part is arranged on the rotary bearing frame hinged with the shaft body, the corresponding second self-locking part is arranged on the self-locking piece fixedly connected with the shaft body, and when the rotary bearing frame rotates to a set angle, the first self-locking part can slide into the second self-locking part, so that a self-locking function is realized, the situation of position deviation under the action of gravity and slight external force can be avoided, compared with the conventional mode of locking by increasing the torque, the mode can keep locking under the appropriate torque, protect the product and optimize the hand feeling.

2. The self-locking process is smooth. The left end and the right end of the first self-locking part and the second self-locking part are respectively provided with a transition cambered surface; the transition cambered surface can provide smooth use hand feeling, guarantee smoothness during self-locking, reduce friction and prolong service life.

Drawings

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

FIG. 2 is a front view of the spin carrier of the present invention;

FIG. 3 is a reverse side view of the roto-carrier of the present invention;

FIG. 4 is a schematic view of the reverse side of the self-locking tab of the present invention;

FIG. 5 is a schematic front view of the spacing piece of the present invention;

FIG. 6 is a partial schematic view of the present invention rotated 5 degrees;

FIG. 7 is a partial schematic view of the present invention rotated 5 degrees;

FIG. 8 is a schematic view of a portion of the present invention rotated 92;

fig. 9 is a partial structural view of the present invention rotated by 243 °.

10. A shaft body; 20. a cap body; 30. a fixing sheet; 40. a spring plate; 50. rotating the carrier; 51. a bracket bearing part; 52. a rotating part; 53. a first self-locking portion; 54. a first limiting part; 60. a self-locking plate; 61. a second self-locking portion; 70. a limiting sheet; 71. a second limiting part; 80. a transition cambered surface.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is to be noted that the drawings of the present invention are each in simplified form and are each provided with a non-precise scale for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

As shown in figures 1 to 5 of the drawings,

a hinge with twice self-locking and limiting functions comprises a shaft body 10, a cap body 20, a fixing piece 30, an elastic piece 40, a rotary bearing frame 50, a self-locking piece 60 and a limiting piece 70;

the cap body 20 is fixedly arranged on the shaft body 10; the fixing piece 30 is fixedly arranged at the lower part of the cap body 20; the elastic sheet 40 is arranged at the lower part of the fixing sheet 30;

the swivel carrier 50 includes a stand bearing part 51 and a swivel part 52; the bearing part is used for installing a product; the rotating part 52 is hinged with the shaft body 10 and is positioned below the elastic sheet 40, the upper part of the rotating part 52 is provided with a first self-locking part 53, and the lower part of the rotating part is provided with a first limiting part 54; the first self-locking part 53 is a self-locking groove; the first limit part 54 is a limit stop;

the self-locking plate 60 is fixedly arranged on the shaft body 10 and positioned at the upper part of the rotary carrier 50, and the lower part of the self-locking plate 60 is provided with a second self-locking part 61 corresponding to the first self-locking part 53; the second self-locking part 61 is a self-locking boss;

the limiting piece 70 is fixedly arranged on the shaft body 10 and is positioned at the lower part of the rotary bearing frame 50, and the upper part of the limiting piece 70 is provided with a second limiting part 71 which is arranged corresponding to the first limiting part 54; the second limiting part 71 is a limiting groove;

further, the left end and the right end of the first self-locking part 53 and the second self-locking part 61 are both provided with transition cambered surfaces 80; the transition cambered surface 80 can provide smooth use hand feeling, guarantee smoothness during self-locking, reduce friction and prolong the service life;

further, the positions of the first self-locking part 53 and the second self-locking part 61 are correspondingly arranged in the rotation strokes of-5 degrees and 92 degrees of the hinge.

The working principle is as follows: the shaft 10 is mounted on the base of the product, and the support bearing part 51 of the rotary bearing frame 50 is connected with the required flip surface of the product;

as shown in fig. 6, when rotated to-5 °, the first self-locking portions 53 slide into the second self-locking portions 61 and are engaged with each other; meanwhile, as shown in fig. 7, the first limiting part 54 and the second limiting part 71 are mutually abutted to realize self-locking and limiting at-5 degrees; the self-locking is realized at the same time of limiting under the angle, and the position deviation caused by the action of gravity can be avoided;

as shown in fig. 8, when the rotation angle reaches 92 °, the first self-locking portion 53 slides in until the second self-locking portion 61 fits with each other, and self-locking at 92 ° is realized;

as shown in fig. 9, when the rotation angle reaches 243 °, the first stopper portion 54 and the second stopper portion 71 contact each other, and the stopper at 243 ° is realized.

The hinge is matched with the second limit part 71 arranged on the limit sheet 70 through the first limit part 54 arranged on the rotary bearing frame 50, the rotary stroke range of the hinge is limited to-5-243 degrees, and the first self-locking part 53 and the second self-locking part 61 are arranged in the rotary strokes corresponding to-5 degrees and 92 degrees, so that the self-locking of the two angles can be realized. The positions of the first stopper 54, the second stopper 71, the first self-locking portion 53, and the second self-locking portion 61 in the present hinge are not limited to those in the present embodiment, and may be adjusted according to actual use.

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 embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two self-locking hinge of taking limit function which characterized in that of utensil: comprises a shaft body, a rotary bearing frame, a self-locking plate and a limiting plate; the rotary bearing frame is hinged with the shaft body, and a first self-locking part and a first limiting part are arranged on the rotary bearing frame; the self-locking plate is fixedly arranged on the shaft body, and a second self-locking part which corresponds to the first self-locking part is arranged on the self-locking plate; the limiting piece is fixedly arranged on the shaft body, and a second limiting part which corresponds to the first limiting part is arranged on the limiting piece.

2. The hinge with the double self-locking and limiting functions as claimed in claim 1, wherein: the elastic piece is fixedly arranged on the shaft body; the fixing piece is arranged at the lower part of the cap body; the elastic sheet is arranged at the lower part of the fixing sheet; the rotary bearing frame, the self-locking plate and the limiting plate are all arranged at the lower part of the elastic sheet.

3. The hinge with the double self-locking and limiting functions as claimed in claim 1, wherein: the rotary bearing frame comprises a bracket bearing part and a rotary part; the bearing part is used for installing a product; the rotating part is articulated with the shaft body.

4. The hinge with the double self-locking and limiting functions as claimed in claim 1, wherein: the first self-locking part is a self-locking groove; the second self-locking part is a self-locking boss.

5. The hinge with the double self-locking and limiting functions as claimed in claim 4, wherein: transition arc surfaces are arranged at the left end and the right end of the first self-locking part and the second self-locking part.

6. A hinge with double self-locking and limiting functions as claimed in claim 1, 4 or 5, wherein: the positions of the first self-locking part and the second self-locking part are correspondingly arranged in the rotation strokes of-5 degrees and 92 degrees of the hinge.

7. The hinge with the double self-locking and limiting functions as claimed in claim 1, wherein: the first limiting part is a limiting stop block; the second limiting part is a limiting groove.

8. The hinge with the double self-locking and limiting functions as claimed in claim 1 or 7, wherein: the starting point of the second limiting part is arranged in the-5-degree rotation stroke of the hinge, and the end point is arranged in the 243-degree rotation stroke of the hinge.