CN212003926U

CN212003926U - Flexible hinge with angle limiting function

Info

Publication number: CN212003926U
Application number: CN202020086325.7U
Authority: CN
Inventors: 张景旺
Original assignee: Dongguan Chenggong Electronic Technology Co ltd
Current assignee: Dongguan Chenggong Electronic Technology Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-11-24
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a flexible hinge with angle limiting function, which comprises two blades and a meshing connecting seat; the meshing connecting seat comprises two groups of gear mounting seats, gear sliding seats and meshing gears which are arranged in a bilateral symmetry manner; each group of gear mounting seats and each group of gear sliding seats are respectively and correspondingly arranged on the two blades; the meshing gear comprises an intermediate gear and a limiting gear which are arranged on the gear mounting seat and are meshed with each other; the limiting gear extends into the arc-shaped track on the other group of gear sliding seats in the symmetrical direction, so that the flexible hinge can be folded and folded within the range of the rotating angle of the arc-shaped track; the device also comprises a limiting structure; this limit structure is through adjusting limit gear is to the axial pressure of gear sliding seat for this flexible hinge can overcome the influence of self gravity and keep quiescent condition, in order to reach the spacing effect of angle.

Description

Flexible hinge with angle limiting function

Technical Field

The utility model relates to a hinge field, in particular to flexible hinge with angle limit function.

Background

The current flexible hinge comprises a leaf, a ball connecting seat and a meshing connecting seat, the meshing connecting seat is internally provided with gears meshed with each other, the gears are meshed and slide in an arc-shaped track in the meshing connecting seat, the leaf of the flexible hinge can be folded and folded in the range of the rotation angle of the arc-shaped track, external force is required to be applied when the leaf is folded, under the condition of removing the external force, the flexible hinge can fall along with the gravity of the flexible hinge, the requirement of customers needing fixed angles cannot be met, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible hinge with angle limit function to solve above-mentioned problem.

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

a flexible hinge with an angle limiting function comprises two leaves which can be folded and folded mutually; a plurality of ball connecting seats are arranged between the two blades along the linear direction; the ball connecting seat comprises two connecting pieces which are respectively and correspondingly arranged on the two leaves and are hinged through a cylinder, and the ball connecting seat also comprises a meshing connecting seat; the meshing connecting seat comprises two groups of gear mounting seats, gear sliding seats and meshing gears which are arranged in a bilateral symmetry manner; each group of gear mounting seats and each group of gear sliding seats are respectively and correspondingly arranged on the two blades; the meshing gear comprises an intermediate gear and a limiting gear which are arranged on the gear mounting seat and are meshed with each other; the limiting gear extends into the arc-shaped track on the other group of gear sliding seats in the symmetrical direction, so that the flexible hinge can be folded and folded within the range of the rotating angle of the arc-shaped track; the device also comprises a limiting structure; this limit structure is through adjusting limit gear is to the axial pressure of gear sliding seat for this flexible hinge can overcome the influence of self gravity and keep quiescent condition, in order to reach the spacing effect of angle.

Furthermore, the limiting structure comprises a limiting track and a tightening nut; the limiting track is communicated with the rear side of the arc track; the limiting gear extends into the limiting track; the tightening nut is arranged on the limiting gear and is positioned at the rear side of the limiting track, and the axial pressure of the limiting gear on the gear sliding seat can be controlled by adjusting the locking degree of the nut.

Furthermore, the limiting structure also comprises a cam sheet and a concave wheel groove; the cam piece is arranged on the limiting gear and is positioned at the rear side of the limiting track, the concave wheel groove is arranged on the limiting track, the concave wheel groove and the cam piece are correspondingly arranged, and when the cam piece slides to the concave wheel groove, the cam piece and the concave wheel groove can be clamped mutually to further lock the angle.

Furthermore, a fixing plate and an elastic sheet are arranged between the tightening nut and the cam sheet.

The beneficial effects of the utility model reside in that, possess angle limit function, the utility model discloses a limit structure has been set up, and this limit structure has set up spacing track, has screwed up nut, cam piece, concave groove, and accessible adjusting nut's locking degree is controlled limit gear is right the axial pressure of gear sliding seat to make this hinge can both overcome self gravity when rotating arbitrary angle and keep quiescent condition, realize the injecing of angle, through the chucking in cam piece, concave groove, realize the further locking of angle.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic view of a partial structure of the limiting structure of the present invention;

fig. 4 is a schematic sectional structural view of the limiting structure of the present invention;

fig. 5 is a schematic front view of the gear sliding seat of the present invention;

fig. 6 is a rear view schematic diagram of the gear sliding seat of the present invention.

1. A sheet; 2. a ball connecting seat; 3. connecting sheets; 4. a cylinder; 5. mounting a plate; 6. a gear mounting seat; 7. a gear sliding seat; 7A, an arc track; 8. a meshing gear; 9. an intermediate gear; 10. a limit gear; 11. a limiting track; 12. screwing down the nut; 13. a cam piece; 14. a sheave groove; 15. a fixing plate; 16. an elastic sheet.

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 6, the utility model discloses a flexible hinge with angle limiting function, which comprises two leaves 1 that can be folded and folded; a plurality of ball connecting seats 2 are arranged between the two blades 1 along the linear direction; the ball connecting seat 2 comprises two connecting pieces 3, the two connecting pieces 3 are respectively and correspondingly arranged on the two leaves, the two connecting pieces 3 are hinged through a cylinder 4, and each connecting piece is respectively arranged on the corresponding leaf through a mounting plate 5;

also includes a meshing connecting seat; the meshing connecting seat comprises two groups of gear mounting seats 6, gear sliding seats 7 and meshing gears 8 which are arranged in bilateral symmetry; each group of gear mounting seats 6 and each group of gear sliding seats 7 are respectively and correspondingly arranged on the two blades; the meshing gear 8 comprises an intermediate gear 9 and a limiting gear 10 which are arranged on the gear mounting seat 6 and are meshed with each other; the limiting gear 10 extends into the arc-shaped track 7A on the other group of gear sliding seats 7 in the symmetrical direction, so that the flexible hinge can be folded and folded within the rotating angle range of the arc-shaped track 7A;

the device also comprises a limiting structure; the limiting structure enables the flexible hinge to overcome the influence of self gravity and keep a static state by adjusting the axial pressure of the limiting gear 10 on the gear sliding seat 7, so that the effect of angle limiting is achieved.

The limiting structure comprises a limiting track 11, a screwing nut 12, a cam sheet 13, a concave wheel groove 14, a fixing plate 15 and an elastic sheet 16; the limiting track 11 is communicated with the rear side of the arc-shaped track 7A; the limiting gear 10 extends into the limiting track 11; the tightening nut 12 is arranged on the limit gear 10 and is positioned at the rear side of the limit track 11, and the axial pressure of the limit gear 10 on the gear sliding seat 7 can be controlled by adjusting the locking degree of the nut; the cam piece 13 is arranged on the limit gear 10 and is positioned at the rear side of the limit track 11, the concave wheel groove 14 is arranged on the limit track 11, the concave wheel groove 14 is arranged corresponding to the cam piece 13, and when the cam piece 13 slides to the concave wheel groove 14, the cam piece 13 can be clamped mutually to realize further locking of the angle; the fixing plate 15 and the elastic sheet 16 are arranged between the tightening nut 12 and the cam sheet 13, and the elastic sheet 16 can buffer the axial locking force of the tightening nut 12 and the interaction force between the cam sheet 13 and the cam groove 14.

The working principle is as follows: the utility model discloses a limit structure has been set up, and this limit structure has set up spacing track 11, has screwed up nut 12, cam piece 13, concave wheel groove 14, and accessible adjusting nut's locking degree is controlled stop gear 10 is right gear sliding seat 7's axial pressure to make this hinge can both overcome self gravity and keep quiescent condition when rotating arbitrary angle, realize the injecing of angle, through cam piece 13, concave wheel groove 14's chucking, realize the further locking of angle, this concave wheel groove 14's position can be customized according to customer's demand.

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. A flexible hinge with an angle limiting function comprises two leaves which can be folded and folded mutually; a plurality of ball connecting seats are arranged between the two blades along the linear direction; the ball connecting seat comprises two connecting pieces, wherein the two connecting pieces are respectively and correspondingly arranged on the two leaves and hinged through a cylinder, and the ball connecting seat is characterized in that: also includes a meshing connecting seat; the meshing connecting seat comprises two groups of gear mounting seats, gear sliding seats and meshing gears which are arranged in a bilateral symmetry manner; each group of gear mounting seats and each group of gear sliding seats are respectively and correspondingly arranged on the two blades; the meshing gear comprises an intermediate gear and a limiting gear which are arranged on the gear mounting seat and are meshed with each other; the limiting gear extends into the arc-shaped track on the other group of gear sliding seats in the symmetrical direction, so that the flexible hinge can be folded and folded within the range of the rotating angle of the arc-shaped track; the device also comprises a limiting structure; this limit structure is through adjusting limit gear is to the axial pressure of gear sliding seat for this flexible hinge can overcome the influence of self gravity and keep quiescent condition, in order to reach the spacing effect of angle.

2. The flexible hinge with the angle limiting function as claimed in claim 1, wherein: the limiting structure comprises a limiting rail and a tightening nut; the limiting track is communicated with the rear side of the arc track; the limiting gear extends into the limiting track; the tightening nut is arranged on the limiting gear and is positioned at the rear side of the limiting track, and the axial pressure of the limiting gear on the gear sliding seat can be controlled by adjusting the locking degree of the nut.

3. The flexible hinge with the angle limiting function as claimed in claim 2, wherein: the limiting structure further comprises a cam sheet and a concave wheel groove; the cam piece is arranged on the limiting gear and is positioned at the rear side of the limiting track, the concave wheel groove is arranged on the limiting track, the concave wheel groove and the cam piece are correspondingly arranged, and when the cam piece slides to the concave wheel groove, the cam piece and the concave wheel groove can be clamped mutually to further lock the angle.

4. A flexible hinge with angular position limiting function according to claim 3, characterized in that: and a fixing plate and an elastic sheet are also arranged between the tightening nut and the cam sheet.