CN218207442U

CN218207442U - Pivot device with independent stop structure

Info

Publication number: CN218207442U
Application number: CN202221993409.4U
Authority: CN
Inventors: 胡成伟
Original assignee: Xinliangang Electronic Technology Chongqing Co ltd
Current assignee: Xinliangang Electronic Technology Chongqing Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-01-03
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a pivot device with an independent stop structure, which comprises a pivot body, a first connecting piece and a second connecting piece which is in linkage connection with the pivot body; the first connecting piece is connected with a torsion wrapping circle which can surround the pivot body, and the torsion wrapping circle is provided with a radial opening; the first connecting piece is also connected with a stop piece, and the stop piece is provided with a first stop surface and a second stop surface; be provided with backstop arc arch on the pivot body, the bellied both ends of backstop arc can contact with first backstop face and second backstop face respectively. In this embodiment, since the stop member is independently disposed (separated from the torque enveloping circle), the torque enveloping circle is not affected during the contact and engagement process between the arc-shaped stop member protrusion and the stop member, and the torque on the pivot body is not affected by the enlarged radial opening. Therefore, the embodiment has the advantages of stable operation, ingenious structure and long service life.

Description

Pivot device with independent stop structure

Technical Field

The utility model belongs to the technical field of the electronic equipment machinery technique and specifically relates to a pivot ware with independent backstop structure is related to.

Background

In the conventional electronic device, for example, a notebook computer, a display screen end that can be opened and closed relative to a host system end is usually designed on the host system end, so that the display screen end can be opened in an operating state and closed in storage and carrying. To accomplish the above operation, taking a notebook computer as an example, a pivot device is used to connect the system end and the screen display end, which can make the screen display end be opened upwards or closed downwards on the system end by using the pivot device as an action axis. To prevent the display end from rotating excessively, a structure for stopping the rotation is usually provided on the pivot.

The conventional arrangement mode is as shown in fig. 1 to 3, wherein a stopping protrusion 20 is arranged on a shaft center 19, a torque source member wrapping circle 21 is further sleeved on the shaft center, an opening 22 capable of providing torque is formed in the hook member wrapping circle, and a stopping notch 23 capable of being matched with a stopping structure is further formed in the hook member wrapping circle. However, in this way, the opening is easily opened during repeated extreme rotations, which leads to a decrease in torque.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to overcome the above problems of the prior art and to provide a pivot having an independent stop structure.

The purpose of the utility model is mainly realized through the following technical scheme:

the pivot device with the independent stop structure comprises a pivot body, a first connecting piece and a second connecting piece, wherein the second connecting piece is in linkage connection with the pivot body;

the first connecting piece is connected with a torsion wrapping circle which can surround the pivot body and is provided with a radial opening;

the first connecting piece is also connected with a stop piece, and the stop piece is provided with a first stop surface and a second stop surface;

be provided with backstop arc arch on the pivot body, the bellied both ends of backstop arc can contact with first backstop face and second backstop face respectively.

Furthermore, the rear end of the stop part is provided with a clamping groove which can be clamped with the first connecting piece.

Furthermore, an inwards concave limiting groove is formed in the first connecting piece;

and the groove wall of the clamping groove is provided with a limiting protrusion which protrudes outwards and can be matched with the limiting groove.

Further, a force application handle extends from the rear end of the stop piece;

when the stop piece is clamped on the first connecting piece, the bottom end of the exerting handle is arranged at an interval with the first connecting piece.

Furthermore, the stop member is also connected with a limiting lantern ring which can be sleeved on the pivot body and can rotate relative to the pivot body.

Further, the front end of the stopper has an arc-shaped concave surface adaptable to the pivot body.

The utility model discloses following beneficial effect has: in this embodiment, since the stop member is independently disposed (separated from the torque enveloping circle), the torque enveloping circle is not affected during the contact and cooperation process between the stop arc protrusion and the stop member, and the torque applied to the pivot body is not affected by the expansion of the radial opening. Therefore, the embodiment has the advantages of stable operation, ingenious structure and long service life.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings required for describing the embodiments of the present invention will be briefly described below. It is obvious that the drawings in the following description are only some of the embodiments described in the present application, and that other drawings can be derived from the following drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a conventional pivot stop structure;

FIG. 2 is a schematic structural diagram of a conventional pivot stop structure;

FIG. 3 is an exploded view of a prior art pintle stop construction;

FIG. 4 is a schematic structural view of an embodiment of the pivot device with independent stop structure according to the present invention;

FIG. 5 is a schematic view of an embodiment of a pivoting device with an independent stop structure according to the present invention;

FIG. 6 is a schematic view of a first connecting member of the pivot joint with independent stop structure according to the present invention;

FIG. 7 is a schematic view of a first connecting member of a pivot joint having an independent stop structure according to an embodiment of the present invention;

FIG. 8 is a schematic view of an embodiment of a stop in a pintle tool having an independent stop structure according to the present invention;

fig. 9 is a schematic structural view of an embodiment of a pivot body with an independent stopping structure according to the present invention;

fig. 10 is a cross-sectional view of an embodiment of a stop member and a first connecting member of a pivotable block with an independent stop structure according to the present invention.

Wherein, the part names corresponding to the reference numbers are as follows: 1. pivot body, 2, torsion encirclement, 3, radial opening, 4, first connecting piece, 5, second connecting piece, 6, stop member, 7, first backstop face, 8, second backstop face, 9, backstop arc arch, 10, the draw-in groove, 11, spacing recess, 12, spacing arch, 13, spacing lantern ring, 14, the arc concave surface, 15, first connecting hole, 16, second connecting hole, 17, the handle of exerting oneself, 18, splint structure, 19, the axle center, 20, the backstop is protruding, 21, the component encirclement, 22, the opening, 23, the backstop breach.

Detailed Description

In order to make those skilled in the art better understand the present invention, the technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be apparent that the embodiments described below are only some, but not all embodiments of the present invention. Based on the embodiments described in the present disclosure, all other embodiments obtained by those skilled in the art without any creative effort are all within the protection scope of the present disclosure.

Example 1

As shown in fig. 1 to 10, the pivot device with independent stopping structure includes a pivot body 1, a first connecting member 4 and a second connecting member 5 connected to the pivot body 1 in a linkage manner;

a torsion wrapping circle 2 capable of surrounding the pivot body 1 is connected to the first connecting piece 4, and the torsion wrapping circle 2 is provided with a radial opening 3;

a stop member 6 is also connected to the first connecting member 4, and the stop member 6 is provided with a first stop surface 7 and a second stop surface 8;

be provided with backstop arc arch 9 on the pivot body 1, the protruding both ends of 9 of backstop arc can contact with first backstop face 7 and second backstop face 8 respectively.

When this embodiment is used, be provided with the first connecting hole 15 of a plurality of on the first connecting piece 4, can be connected on the host system end through first connecting hole 15, be provided with a plurality of second connecting hole 16 on the second connecting piece 5, can be connected on the display screen end through second connecting hole 16.

When the second connecting member 5 is rotated, the radial opening 3 can provide a corresponding torque force to the pivot body 1 through the relative rotation between the second connecting member 5 and the torque containing circle 2. The limit rotation angle of the pivot body 1 can be limited by the contact and cooperation of the stop arc-shaped protrusion 9 and the first stop surface 7 and the second stop surface 8.

In the embodiment, since the stop member 6 is separated from the torque containing circle 2, the stop member arc-shaped protrusion 9 does not affect the torque containing circle 2 during the contact and engagement process with the stop member 6, and the radial opening 3 is not enlarged to affect the torque of the pivot body 1.

As shown in fig. 7, the torque containing circles 2 can be formed by bending the ends of the first connecting member 4, two torque containing circles 2 can be bent on the first connecting member 4, and the radial openings 3 on the two torque containing circles 2 are respectively located above and below the first connecting member 4, so as to provide sufficient torque to the pivot body 1.

In order to fix the stop member 6, preferably, a slot 10 capable of being clamped with the first connecting member 4 is formed at the rear end of the stop member 6.

In order to improve the stability of the connection between the stop member 6 and the first connecting member 4, preferably, the first connecting member 4 is provided with a concave limiting groove 11;

and the groove wall of the clamping groove 10 is provided with a limiting protrusion 12 which protrudes outwards and can be matched with the limiting groove 11.

In this embodiment, as shown in fig. 10, the stopper 6 is prevented from moving in the axial and radial directions of the pivot body 1 by the engagement of the stopper groove 11 and the stopper projection 12. The position-limiting protrusion 12 may be formed in a hemispherical shape.

In addition, as shown in fig. 4, the stop piece 6 with high stability can also limit and lock the axial position of the torsion envelope 2.

Preferably, the rear end of the stop member 6 is extended with a force application handle 17;

when the stop member 6 is clamped on the first connecting member 4, the bottom end of the force application handle 17 is arranged at an interval with the first connecting member 4.

In the application of the present embodiment, as shown in fig. 10, the arrangement of the locking slot 10 enables the rear end of the stop member 6 to form two spaced-apart clamping structures 18, which can be clamped on the first connecting member 4 by using the elastic deformation of the two clamping structures. And the forcing handle 17 is arranged on the clamping plate structure which is abutted against the upper part of the first connecting piece 4, and when an operator slightly acts on the clamping plate structure upwards through the forcing handle 17, the stopping piece 6 can be conveniently and easily taken down. The clamping plate structure 18 and the force application handle 17 can be transited through the cambered surface.

In order to improve the connection stability of the stop member 6 and the first connecting member 4, preferably, the stop member 6 is further connected with a limit collar 13 which can be sleeved on the pivot body 1 and can rotate relative to the pivot body 1.

In this embodiment, the stop member 6 can be prevented from moving in the radial direction of the pivot body 1 by the engagement of the retainer collar 13 with the pivot body 1.

Preferably, the front end of the stopper 6 has an arc-shaped concave surface 14 adaptable to the pivot body 1.

In this embodiment, the arc-shaped concave surface 14 can improve the stability of the relative movement between the pivot body 1 and the stopper 6.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.

Claims

1. Pivot ware with independent backstop structure, its characterized in that: comprises a pivot body (1), a first connecting piece (4) and a second connecting piece (5) which is in linkage connection with the pivot body (1);

a torsion wrapping circle (2) capable of surrounding the pivot body (1) is connected to the first connecting piece (4), and the torsion wrapping circle (2) is provided with a radial opening (3);

the first connecting piece (4) is also connected with a stop piece (6), and the stop piece (6) is provided with a first stop surface (7) and a second stop surface (8);

a stop arc-shaped bulge (9) is arranged on the pivot body (1), and two ends of the stop arc-shaped bulge (9) can be respectively contacted with the first stop surface (7) and the second stop surface (8).

2. The pivot with independent stop of claim 1, wherein: the rear end of the stop piece (6) is provided with a clamping groove (10) which can be clamped with the first connecting piece (4).

3. The pivot with independent stop of claim 2, wherein: an inwards concave limiting groove (11) is formed in the first connecting piece (4);

and a limiting bulge (12) which protrudes outwards and can be matched with the limiting groove (11) is arranged on the groove wall of the clamping groove (10).

4. The pivot with independent stop structure of claim 1, wherein: the rear end of the stop piece (6) is provided with a force application handle (17) in an extending way;

when the stop piece (6) is clamped on the first connecting piece (4), the bottom end of the force application handle (17) is arranged at an interval with the first connecting piece (4).

5. The pivot with independent stop structure of claim 1, wherein: the stop piece (6) is also connected with a limiting lantern ring (13) which can be sleeved on the pivot body (1) and can rotate relative to the pivot body (1).

6. The pivot with independent stop structure of claim 1, wherein: the front end of the stop piece (6) is provided with an arc-shaped concave surface (14) which can be adapted to the pivot body (1).