CN215674488U - Hinge structure - Google Patents

Abstract

The utility model relates to a pivot structure, which comprises a base and a supporting frame, wherein the base is connected above the supporting frame in a relatively horizontal rotating mode; the base comprises a base body and a sliding assembly, the base body is provided with a first side and a second side which are parallel to each other, the first side is provided with a first arc-shaped guide rail, the second side is provided with a second arc-shaped guide rail, and an arc-shaped surface is arranged between the first side and the second side; the sliding assembly comprises a sliding part and a pressing part, a first arc-shaped part on one side of the sliding part is connected with the first arc-shaped guide rail in a relatively arc-shaped swinging mode, and a second arc-shaped part on the other side of the sliding part is connected with the second arc-shaped guide rail in a relatively arc-shaped swinging mode; the pressing piece is connected with the sliding piece in a relative movement mode, so that one end of the pressing piece presses the arc-shaped surface of the seat body to adjust the friction resistance when the sliding piece swings in a pitching mode.

Description

Hinge structure

Technical Field

The present invention relates to a hinge structure, and more particularly, to a hinge structure of a network camera capable of tilting up and down and rotating in a horizontal direction.

Background

A conventional foldable electronic device, such as a display and a base of a notebook computer, is mainly connected to a side of the display and the base via a single-axis hinge to form a hinge, so that the display can be turned and opened or closed relative to the base. In addition to the conventional notebook computer, especially for the conventional dual touch screen computer, lcd tv or plasma tv …, a rotating shaft is mainly disposed between the display and the base in the design direction of the folding device, and this connecting structure can be used to connect the display and the base and also adjust the pitch angle of the display relative to the base.

As shown in the taiwan patent application with publication No. TW I345444 and a double-stop pivot structure, the stop piece and the stop portion of the pivot are fixed to the pivot, and the upper and lower stop portions are disposed on two sides of the rotating bracket and correspond to the stop piece and the stop portion. The taiwan patent application with publication No. TW M398318 and the patent name of the hinge with the maximum torsion at the operating point provides another hinge structure, which generates an automatic closing and positioning function by a pair of concave cams coaxially disposed on the shaft portion and a set of elastic units, so that the display screen can freely stop at a certain angle when rotating.

The above two patent applications TW I345444 and TW M398318 only allow the display to swing in pitch; the chinese patent application with publication number CN 110166670U and the patent name of a panoramic network camera is to achieve the purpose of 360-degree rotation of a panoramic lens by connecting a shaft ball and a shaft ball cover.

In practical applications, the conventional hinge device must use a pair of concave-convex cams and a set of elastic units to freely stop the display at a certain pitch angle, which increases the overall size and production cost due to the complicated structure. Through the connection of the axle ball and the axle ball cover, although the camera can rotate 360 degrees, the rotation is unstable after long-time use and abrasion, and the effect of freely stopping at a certain angle cannot be achieved. In view of the above, the inventor has made many years of experience and continued research and development to improve the above-mentioned shortcomings by providing a structure different from the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a hinge structure, which can solve the problems of the prior hinge structure that the overall size is increased and the production cost is increased due to the complicated pitching structure, and that the camera can rotate 360 degrees by connecting the rolling ball and the rolling ball cover, but the rotation is unstable and can not be stopped at a certain angle freely, and the base can be connected with a supporting frame in a relatively horizontal rotation manner, and when a sliding member swings in an arc shape on a base in a pitching manner, the sliding member can press the arc surface on the base to adjust the frictional resistance, thereby improving the stability and miniaturization of the structure, and effectively saving the cost.

In order to achieve the above object of the present invention, the present invention provides a hinge structure, which comprises a base, a supporting frame, a hinge assembly and a hinge assembly, wherein the base is connected with the supporting frame in a manner of relative horizontal rotation; the base includes: the base body is provided with a first side and a second side which are parallel to each other, the first side is provided with a first arc-shaped guide rail, the second side is provided with a second arc-shaped guide rail, and an arc-shaped surface is arranged between the first side and the second side; the sliding assembly comprises a sliding piece and a pressing piece, wherein one side of the sliding piece is provided with a first arc-shaped part which is connected with the first arc-shaped guide rail in a relatively arc-shaped swinging mode, the other side of the sliding piece is provided with a second arc-shaped part which is connected with the second arc-shaped guide rail in a relatively arc-shaped swinging mode; the pressing piece is connected with the sliding piece in a relative movement mode, and one end of the pressing piece presses against the arc-shaped surface of the seat body.

Furthermore, the bottom surface of the base is provided with a first stopping portion, the supporting frame comprises a fixed frame and a rotating member, the top surface of the fixed frame is provided with a second stopping portion, the rotating member is provided with a pivot and an outer ring portion, the top end of the outer ring portion is provided with an upper stopping portion corresponding to the first stopping portion, the bottom end of the outer ring portion is provided with a lower stopping portion corresponding to the second stopping portion, and the base is limited between an angle when horizontally rotating relative to the supporting frame.

Furthermore, the top end of the outer ring part is provided with a first fan-shaped block protruding outwards in the radial direction, and the upper stop part is one side surface of the first fan-shaped block; the bottom end of the outer ring part is provided with a second fan-shaped block protruding outwards in the radial direction, and the lower stopping part is one side surface of the second fan-shaped block.

Further, the positioning device comprises a torsional positioning unit, wherein the torsional positioning unit comprises at least one concave-convex ring, a plurality of elastic sheets and a cap, the concave-convex ring is used for connecting the base, the outer ring part and the support frame and coaxially positioned on the pivot, and the cap is used for connecting the base, the outer ring part and the support frame.

Furthermore, the top surface of the fixing frame is also provided with a notch, the periphery of any concave-convex ring is provided with a positioning column which extends axially and is used for linking the fixing frame and the concave-convex ring, and one end of the positioning column is inserted into the notch.

Furthermore, the first arc-shaped part and the second arc-shaped part are respectively an arc-shaped groove; the base comprises a first assembly and a second assembly, the first assembly is provided with a first side and a second side which are parallel to each other, the first side is provided with a first arc-shaped plate and forms a first arc-shaped limiting groove, the first arc-shaped plate is limited in the first arc-shaped part, and the top end of the first arc-shaped limiting groove is provided with a first limiting part; the second assembly comprises a connecting plate used for connecting the first assembly, and the two sides of the connecting plate respectively extend downwards to form the first arc-shaped guide rail and the second arc-shaped guide rail.

Furthermore, the second side of the first assembly has a second arc-shaped plate and forms a second arc-shaped limiting groove, the second arc-shaped plate is limited in the second arc-shaped part, the top end of the second arc-shaped limiting groove has a second limiting part, and the second limiting part and the first limiting part are located at the same height.

Furthermore, the lower end of the first arc-shaped plate of the first assembly part is also provided with a first notch which is communicated with the first arc-shaped limiting groove; the lower end of the second arc-shaped plate is further provided with a second notch which is communicated with the second arc-shaped limiting groove; the lower end of the first arc-shaped guide rail is provided with a first clamping block used for clamping the first notch, and the lower end of the second arc-shaped guide rail is provided with a second clamping block used for clamping the second notch.

Furthermore, the first arc-shaped guide rail and the second arc-shaped guide rail are respectively bendable arc-shaped elastic bodies.

Furthermore, the first assembly comprises a front seat, a rear cover and an adapter plate, the front seat is provided with the arc-shaped surface, the rear cover is connected with the front seat, a limiting groove used for containing and limiting the adapter plate is formed in the bottom of the rear cover, the adapter plate is upwards connected with the bottom surface of the front seat, and the bottom surface of the adapter plate is provided with the first stopping part.

Furthermore, the pressing member includes a pressing block and an adjusting screw, the sliding member has a screw hole, the other end of the pressing block has a limiting portion, the adjusting screw is screwed into the screw hole and presses against the limiting portion, and one end of the pressing block presses against the arc surface of the seat body.

Furthermore, a plurality of ribs arranged at intervals are further arranged at one end of the arc-shaped surface of the pressing block, the plurality of ribs have a first extending direction, the arc-shaped surface has a second extending direction, and the first extending direction is parallel to the second extending direction.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a partial component assembly view of a preferred embodiment of the present invention;

FIG. 2 is an assembly view of the support bracket of the present invention;

FIG. 3 is a side view of a preferred embodiment of the present invention;

FIG. 4 is a schematic view of a preferred embodiment of the present invention in a rotated state;

FIG. 5 is an assembly view of the base of the present invention;

FIG. 6 is a cross-sectional view of a base of the present invention;

FIG. 7 is a schematic sectional view of the slider assembly of the present invention swinging upward;

fig. 8 is a schematic structural view of the sliding assembly of the present invention when it swings upward.

Description of reference numerals:

1: hinge structure 2: base

21 the first stopping part 3 the supporting frame

31 fixing frame 311 horizontal plate

312 vertical plate 313 gap

314 second stop portion 32 rotating member

321 pivot 322 outer ring part

323 first segment 324, upper stop

325 second segment 326 lower stop

4: torsion positioning units 41,42: concave-convex ring

411 positioning column 43 and elastic sheet

44: cap 5: seat body

6 sliding component 61 sliding part

611 connecting plate 612 screw hole

613 a first arc-shaped part 614 and a second arc-shaped part

615 stopping part 62 pressing part

621 pressing block 622 adjusting screw

623 limiting part 624,624' and rib

7 first Assembly 71 first side

72 second side 73 front seat

731 first arc plate 7311 first notch

732 first arc-shaped limiting groove 733 first limiting part

734: second arc plate 7341: second notch

735 a second arc-shaped limiting groove 736 a second limiting part

737 arc surface 74 and back cover

741 limiting groove 75 adapter plate

8: second Assembly 81: connecting plate

82 first arc guide rail 821 first clamping block

83 is a second arc-shaped guide rail 831 and is a second clamping block.

Detailed Description

The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1-4, a hinge structure 1 according to a preferred embodiment of the present invention mainly includes a base 2, a supporting frame 3 and a torsion positioning unit 4; the bottom surface of the base 2 has a wedge-shaped block protruding downward, and the wedge-shaped block is a first stopper portion 21.

The supporting frame 3 includes a fixed frame 31 and a rotating member 32, the fixed frame 31 is an inverted L-shaped plate having a horizontal plate 311 and a vertical plate 312, a notch 313 is formed on a plate surface of the horizontal plate 311, a wedge-shaped block protruding upwards is formed on a top surface of the horizontal plate 311, and the wedge-shaped block is a second stopping portion 314; the vertical plate 312 is used to attach objects such as displays, vehicles, walls, and the like. The rotating member 32 includes a pivot 321 and an outer ring 322, the top end of the pivot 321 is connected to the bottom surface of the base 2; the outer ring 322 is a sleeve sleeved on the pivot 321 and is positioned between the bottom surface of the base 2 and the top surface of the horizontal plate 311. The top end of the outer ring part 322 is provided with a first sector 323 protruding outwards in the radial direction, one side surface of the first sector 323 is used as an upper stop part 324, and the upper stop part 324 horizontally corresponds to the first stop part 21; the bottom end of the outer ring portion 322 has a second segment 325 protruding outward in the radial direction, a side surface of the second segment 325 is used as a lower stopping portion 326, and the lower stopping portion 326 horizontally corresponds to the second stopping portion 314.

The twist positioning unit 4 includes two concave-convex rings (41,42) coaxially positioned on the pivot 321, a plurality of elastic sheets 43 and a cap 44, so that when the cap 44 is screwed on the bottom end of the pivot 321 and connects the base 2, the outer ring 322 and the support frame 3, the base 2 is connected above the support frame 3 in a relatively horizontal rotation manner. The circumference of a concave-convex ring 41 is provided with a positioning column 411 extending axially, the top end of the positioning column 411 is inserted upwards into the notch 313 of the horizontal plate 311, so that the fixing frame 31 is linked with the concave-convex ring 41, and the base 2 is horizontally rotated relative to the supporting frame 3 to be limited at an angle, wherein the angle can be between 0 and 180 degrees.

Referring to fig. 1, 5-8, the base 2 includes a base body 5 and a sliding assembly 6, wherein the base body 5 includes a first assembly 7 and a second assembly 8, the first assembly 7 has a first side 71 and a second side 72 parallel to each other, and the first assembly 7 includes a front base 73, a rear cover 74 and a transfer board 75. The front end of the first side 71 of the front seat 73 is provided with a first arc-shaped plate 731 and forms a first arc-shaped limiting groove 732, the lower end of the first arc-shaped plate 731 is provided with a first notch 7311, the first notch 7311 is communicated with the first arc-shaped limiting groove 732, the top end of the first arc-shaped limiting groove 732 is provided with a wedge-shaped block, and the wedge-shaped block is used as a first limiting part 733; the front end of the second side 72 of the front seat 73 has a second arc-shaped plate 734 and forms a second arc-shaped limiting groove 735, the lower end of the second arc-shaped plate 734 has a second notch 7341, the second notch 7341 communicates with the second arc-shaped limiting groove 735, and the top end of the second arc-shaped limiting groove 735 has a wedge-shaped block as a second limiting portion 736. The second position-limiting portion 736 and the first position-limiting portion 733 are located at the same height, and an arc-shaped surface 737 is disposed between the first arc-shaped position-limiting groove 732 and the second arc-shaped position-limiting groove 735. The front end of the rear cover 74 has an opening for receiving and connecting the front seat 73, and the bottom surface of the rear cover 74 forms another opening, so that after the front seat 73 is positioned, a limiting groove 741 is formed at the bottom of the rear cover 74 for receiving and limiting the adapter plate 75 therein; the adapter plate 75 is a flat plate, the adapter plate 75 is connected to the bottom surface of the front seat 73 via screws, and the bottom surface of the adapter plate 75 has a first stopping portion 21 protruding downward.

The second assembly 8 includes a connecting plate 81, a first arc-shaped guide 82 and a second arc-shaped guide 83. The connecting plate 81 is a long strip-shaped flat plate, and the connecting plate 81 is downwards locked and connected with the top surface of the front seat 73 of the first assembly 7; the first arc-shaped guide rail 82 and the second arc-shaped guide rail 83 are respectively rubber bendable arc-shaped elastic bodies and extend downwards and in parallel from two sides of the connecting plate 81, the lower end of the first arc-shaped guide rail 82 is provided with a first clamping block 821 extending away from the second arc-shaped plate 734 direction and used for clamping a first notch 7311 of the first arc-shaped plate 731, so that the first arc-shaped guide rail 82 is limited in the first arc-shaped limiting groove 732; the lower end of the second arc-shaped guiding rail 83 has a second retaining block 831 extending away from the first arc-shaped plate 731 for retaining the second slot 7341 of the second arc-shaped plate 734, so as to limit the second arc-shaped guiding rail 83 in the second arc-shaped limiting slot 735.

The slide assembly 6 includes a slide member 61 and a pressing member 62, and the front end of the slide member 61 has a connection plate 611 for connecting to an object such as a network camera. A screw hole 612 penetrating the sliding member 61 in a rearward and downward direction through the connecting plate 611; one side of the sliding member 61 has an arc-shaped groove as a first arc-shaped portion 613; the other side of the slider 61 has another arc-shaped groove as a second arc-shaped portion 614. The first arc-shaped plate 731 of the front seat 73 is parallel to the first arc-shaped guide rail 82 of the second assembly 8 and is simultaneously confined in the first arc-shaped portion 613, and the second arc-shaped plate 734 is parallel to the second arc-shaped guide rail 83 and is simultaneously confined in the second arc-shaped portion 614, so that the sliding member 61 swings arcuately relative to the seat body 5. The two ends of the rear end of the sliding member 61 are respectively provided with a stopping portion 615, when the front end of the sliding member 61 swings downwards in an arc relative to the base 5, the two stopping portions 615 respectively press the first limiting portion 733 and the second limiting portion 736, so that the front end of the sliding member 61 stops moving downwards.

The pressing member 62 mainly includes a rectangular pressing block 621 and an adjusting screw 622, the top end of the pressing block 621 has a convex column as a limiting portion 623, and the top end of the limiting portion 623 is inserted upwards into the screw hole 612 of the sliding member 61; after the adjusting screw 622 is screwed into the screw hole 612, the bottom end of the adjusting screw 622 downwardly presses against the top end of the limiting portion 623, so that the bottom end of the pressing block 621 presses against the arc-shaped surface 737 of the base 5. The bottom end of the pressing block 621 is further provided with a plurality of ribs (624,624 ') arranged at intervals, and the plurality of ribs (624,624') respectively have a first extending direction of the long direction, and the first extending direction is parallel to the second extending direction of the arc-shaped surface 737.

Therefore, when the adjusting screw 622 is rotated to push the pressing block 621, the sliding part 61 can be moved simultaneously, so that the first arc-shaped plate 731 and the second arc-shaped plate 734 of the front seat 73 are respectively attached to the first arc-shaped guide rail 82 and the second arc-shaped guide rail 83, so as to provide a friction coefficient which is easier to adjust, and the webcam on the sliding part 61 can be freely stopped at a certain pitching angle. Since the bottom end of the pressing block 621 is provided with a plurality of ribs (624,624 ') arranged at intervals, and the first extending direction of the rib (624,624') is parallel to the second extending direction of the arc surface 737, the pressing block 621 can slide on the arc surface 737 stably and smoothly.

In summary, the present invention not only can make the base 2 horizontally rotate to be stably positioned between 0-180 degrees by the upper and lower stop structures of the rotating component 32 and the tight compression of the twisting positioning unit 4 when the base 2 horizontally rotates relative to the supporting frame 3; the pressing force of the pressing piece 62 against the arc-shaped surface 737 of the base 5 can be adjusted to change the friction coefficient between the first arc-shaped plate 731 and the second arc-shaped plate 734 of the front seat 73 and the two first arc-shaped guide rails 82 and the second arc-shaped guide rails 83, so that the webcam on the sliding piece 61 can be freely stopped at a certain pitching angle when swinging in an arc-shaped manner on the base 5, thereby improving the stability and miniaturization of the structure and effectively saving the cost; moreover, since the first arc-shaped guide rail 82 and the second arc-shaped guide rail 83 are respectively a bendable arc-shaped elastic body, not only in the installation process, the first fixture block 821 and the second fixture block 831 of the two arc-shaped guide rails can be respectively clamped with the first notch 7311 and the second notch 7341 of the two arc-shaped plates through compression deformation, so that the two arc-shaped guide rails can be respectively limited in the two arc-shaped limiting grooves, thereby facilitating the assembly; and the friction coefficient of the joint between the two arc-shaped plates and the two arc-shaped guide rails can be adjusted more easily, so that the sliding part can achieve a better free stagnation effect when swinging in a pitching manner.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (12)

1. A kind of pivot structure, characterized by that, have a base, this base connects a support frame in a way of rotating horizontally relatively; the base includes:

the base body is provided with a first side and a second side which are parallel to each other, the first side is provided with a first arc-shaped guide rail, the second side is provided with a second arc-shaped guide rail, and an arc-shaped surface is arranged between the first side and the second side; and

the sliding assembly comprises a sliding part and a pressing part, wherein one side of the sliding part is provided with a first arc-shaped part which is connected with the first arc-shaped guide rail in a relatively arc-shaped swinging mode, the other side of the sliding part is provided with a second arc-shaped part which is connected with the second arc-shaped guide rail in a relatively arc-shaped swinging mode; the pressing piece is connected with the sliding piece in a relative movement mode, and one end of the pressing piece presses against the arc-shaped surface of the seat body.

2. The hinge structure of claim 1, wherein the bottom surface of the base has a first stop portion, the supporting frame comprises a fixed frame and a rotating member, the top surface of the fixed frame has a second stop portion, the rotating member has a pivot and an outer ring portion, the top end of the outer ring portion has an upper stop portion corresponding to the first stop portion, the bottom end of the outer ring portion has a lower stop portion corresponding to the second stop portion, so that the base is limited to an angle when rotating horizontally relative to the supporting frame.

3. The hinge structure of claim 2, wherein the top end of the outer ring portion has a first segment protruding radially outward, and the upper stop portion is a side surface of the first segment; the bottom end of the outer ring part is provided with a second fan-shaped block protruding outwards in the radial direction, and the lower stopping part is one side surface of the second fan-shaped block.

4. The hinge structure as claimed in claim 2, further comprising a torsional positioning unit including at least one male and female ring coaxially positioned on the pivot for connecting the base, the outer ring portion and the supporting frame, a plurality of elastic pieces and a cap.

5. The hinge structure as claimed in claim 4, wherein the top surface of the fixing frame further has a notch, the periphery of any one of the concave-convex rings has a positioning post extending axially for linking the fixing frame and the concave-convex ring, and one end of the positioning post is inserted into the notch.

6. The hinge structure of claim 2, wherein the first curved portion and the second curved portion are curved slots; the base comprises a first assembly and a second assembly, the first assembly is provided with a first side and a second side which are parallel to each other, the first side is provided with a first arc-shaped plate and forms a first arc-shaped limiting groove, the first arc-shaped plate is limited in the first arc-shaped part, and the top end of the first arc-shaped limiting groove is provided with a first limiting part; the second assembly comprises a connecting plate used for connecting the first assembly, and the two sides of the connecting plate respectively extend downwards to form the first arc-shaped guide rail and the second arc-shaped guide rail.

7. The hinge structure of claim 6, wherein the second side of the first assembly has a second arc-shaped plate defining a second arc-shaped retaining groove, the second arc-shaped plate being retained in the second arc-shaped portion, and the top of the second arc-shaped retaining groove has a second retaining portion, the second retaining portion being at the same height as the first retaining portion.

8. The hinge structure of claim 7, wherein the first curved plate of the first assembly further has a first slot at a lower end thereof, the first slot communicating with the first curved limiting slot; the lower end of the second arc-shaped plate is further provided with a second notch which is communicated with the second arc-shaped limiting groove; the lower end of the first arc-shaped guide rail is provided with a first clamping block used for clamping the first notch, and the lower end of the second arc-shaped guide rail is provided with a second clamping block used for clamping the second notch.

9. The hinge structure of claim 1, 6 or 8, wherein the first curved rail and the second curved rail are respectively bendable curved elastic bodies.

10. The hinge structure of claim 6, wherein the first assembly comprises a front seat, a rear cover and a connecting plate, the front seat has the curved surface, the rear cover is connected to the front seat, and a limiting groove for receiving and limiting the connecting plate is formed at the bottom of the rear cover, the connecting plate is connected to the bottom surface of the front seat, and the bottom surface of the connecting plate has the first stopping portion.

11. The hinge structure of claim 1, wherein the pressing member includes a pressing block and an adjusting screw, the sliding member has a screw hole, the other end of the pressing block has a limiting portion, the adjusting screw is screwed into the screw hole and presses against the limiting portion, and one end of the pressing block presses against the arc surface of the base.

12. The hinge structure of claim 11, wherein the pressing block further has a plurality of ribs spaced apart from each other at one end of the arc-shaped surface of the pressing base, the ribs have a first extending direction, the arc-shaped surface has a second extending direction, and the first extending direction is parallel to the second extending direction.

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