CN201198864Y

CN201198864Y - Pivot device of display screen rack

Info

Publication number: CN201198864Y
Application number: CNU2008201073315U
Authority: CN
Inventors: 陈嘉辉; 许添悦; 詹曜聪
Original assignee: Lianhong Technology Co Ltd
Current assignee: Lianhong Technology Co Ltd
Priority date: 2008-04-09
Filing date: 2008-04-09
Publication date: 2009-02-25
Anticipated expiration: 2018-04-09

Abstract

The utility model provides a pivot which is used for displaying a screen frame and internally provided with a locking device; a non-round shaft part of the locking device extends to the external side of a rotation shaft of a pivoting device in the reverse direction; furthermore, a spring, an elastic sheet cam, a pushing sheet and an end cap are sequentially assembled on the non-round shaft part; furthermore, a through hole is opened on a side folding sheet of the base of the pivot; the elastic sheet cam is fixed on the non-round shaft part and provided with an extended elastic sheet; furthermore, a first convex bar is formed at the position of the bottom surface close to the end; another clamping structure is fixed on the bottom surface of the base and provided with a C-shaped clamp which has an end opening that extends close to the through hole; the opening of the C-shaped clamp forms a second convex bar at the position close to the end; therefore, during the clamping process, the finger of the operator pressing the pushing plate generates a jumping feeling or emits a clamping sound, thus informing the operator that the locking of the first pivoting device is completed by the locking device.

Description

The pivot of display screen frame

Technical field

The utility model refers to a kind of pivot of display screen frame especially about a kind of support device of electronic equipment.

Background technique

Because the development of liquid crystal display reaches the slimming advantage fast, has been widely used in the display screen or TV of desktop computer.The display screen of this type is set up on the display screen frame of an adjustable tilt angle.In order to reach the adjustment function at angle of inclination, must be provided with a pivot in display screen frame inside.This kind pivot has many relevant patents preceding case, for example novel M293622 of claimant's Chinese T W " but doubling formula pivot ".

But many base and the vertical connecting bases that screen is installed by a horizontal positioned of this kind pivot form both pivot joints with two pivot joints.In some known technology, can locking device being set at it, to reach display screen locking pivot joint and can not rotating again after adjusting angle.Known locking device is in when operation, and whether really the user can't learn complete operation, and causes the uncertainty in the use, remains in fact to be improved.

Summary of the invention

The utility model main purpose is to provide a kind of pivot of display screen frame, to overcome the defective of above-mentioned conventional construction, make this locking device when the user operates, can on the finger of operation, produce the sensation of beating or the sound that sends clip, know the intact work of lock operation to make things convenient for the user.

According to above-mentioned purpose, a kind of pivot of display screen frame comprises:

One base has the bottom surface that can be fixed on the plane, and these both sides, bottom surface have the upwards side folding part of turnover, and forms a pivoted hole seat on this each side folding part;

One in order to support the connecting base of a display screen, has folding part, two backs, and be formed with a pivoted hole seat on each folding part, back;

First and second pivot joint is articulated in two pivoted hole seats of this base and this connecting base; Each this pivot joint has a usefulness at least so that this connecting base is that rotate to drive the rotating shaft that above-mentioned display screen changes the angle of inclination and locatees on arbitrary angle of inclination at the center with it; And

The locking device that one lockable, first pivot joint can not rotate this connecting base is arranged on this first pivot joint; It is characterized in that, comprising:

One non-circular shaft part, the rotating shaft of this first pivot joint is oppositely extended certainly;

One shell fragment cam has a disk and a shell fragment vertical with this disk; This disk has a non-circular hole, be socketed on this non-circular shaft part and be fixed in this rotating shaft, and this shell fragment bottom surface is formed with one first raised line near terminal position;

One open-work cooperates this shell fragment position, is arranged on the side tabs of this base;

One in order to provide the spring of the outside restoring force of this shell fragment cam, is arranged on this non-circular shaft part, and an end is held on the disk inner side surface of this shell fragment cam;

One fastening structure is fixed on the bottom surface of this base, has the C type folder that an end extends this open-work position, and this C type folder opening is formed with one second raised line near terminal position;

One push jack has a circular hole, is socketed on this non-circular shaft part, and extends a pushing part in the axial Vertical direction of this non-circular shaft part; With respect to this spring, the adjacent setting of disk outer side surface of the protruding axle of this push jack and this shell fragment; And

One in order to limit this spring, this shell fragment cam and the end cap of this push jack on this non-circular shaft part, is fixed in the end of this non-circular shaft part.

Wherein, C type folder opening is formed with one the 3rd raised line in this second raised line position relatively.

Wherein, further be provided with a banking stop in the rotating shaft of first pivot joint; This banking stop has a circular hole that passes for this rotating shaft, and periphery extend one in order to tabs after buckling into this connecting base on a button hole, and then the buckle that this banking stop and this connecting base are together rotated; Be formed with one on this banking stop periphery and can be stretched into the unfilled corner that forms interference by this shell fragment cam shell fragment.

Wherein, unfilled corner have can limit connecting base slewing area and then restriction display screen level and vertical between tilt and the angle of location.

The utility model beneficial effect: pass through said structure, when inside promotion push jack, can force this shell fragment cam to oppress this spring, this shell fragment passes this open-work simultaneously, and first raised line of this shell fragment is crossed second raised line in this fastening structure C type folder opening, form engaging to fix this shell fragment, can not rotate to lock this connecting base; When promoting this push jack once more, restoring force by this spring, to remove engaging of this first raised line and second raised line, make this shell fragment withdraw from this open-work, releasing is to the locking of this first pivot joint, and this connecting base can rotate with respect to this rotating shaft, and in the stroke of clamping, can on behaviour part person push the finger of push pedal, produce a sensation of beating or send a clip sound, first pivot joint be finished locking to notify user's locking device.

Below, will structure of the present utility model and operating function be described in detail according to the embodiment shown in the drawing.

Description of drawings

Fig. 1 is a combination appearance figure of the present utility model,

Fig. 2 is the exploded view of the utility model partial structure and locking device,

Fig. 3 is the upright figure of group that the three-dimensional view of another angle of the utility model part unlocks to show locking device, and wherein connecting base is level,

Fig. 4 is the cross section view of Fig. 3,

Fig. 5 be the utility model partly the three-dimensional view of an angle is with the upright figure of the group that shows the locking device locking again, wherein connecting base is vertically,

Fig. 6 is the cross section view of Fig. 5.

Embodiment

See also Fig. 1, be the pivot of a kind of display screen frame of the utility model, mainly constituted with a base 1, a connecting seat 2, first pivot joint 31, second pivot joint 32 and a locking device 4.

Base 1 has the bottom surface 11 that can be fixed on the plane H (among the figure shown in the dotted line), and 11 both sides, bottom surface have the upwards side folding part 12 of turnover, and forms a pivoted hole seat 13 (referring to Fig. 2) on each side folding part 12.Connecting base 2 is in order to connect a display screen, and down either side has folding part 21, two backs, and forms a pivoted hole seat 22 (referring to Fig. 2) on each folding part 21, back.In addition, first and

second pivot joint

31 and 32 is articulated the two pivoted

hole seats

13 and 22 of base 1 with connecting base 2 respectively.Each

pivot joint

31 and 32 has a rotating shaft at least, makes that connecting base 2 can this rotating shaft be that rotate at the center, shown in arrow among Fig. 1, changes the angle of inclination to drive display screen, and locatees on arbitrary angle of inclination.

And the utility model mainly is to be provided with a locking device 4 on first pivot joint 31, and its major function is, can lock first pivot joint 31 when connecting base 2 turns to unspecified angle with respect to rotating shaft, and connecting base 2 can not be rotated.

Cooperate Fig. 2, locking device 4 is mainly constituted with a non-circular shaft part 41, a shell fragment cam 42, an open-work 43, a spring 44, a fastening structure 45, a push jack 46 and an end cap 47.

Non-circular shaft part 41 oppositely extends laterally from the rotating shaft 311 of first pivot joint 31, to assemble spring 44, shell fragment cam 42, push jack 46 and end cap 47 in regular turn.

Shell fragment cam 42 has a disk 421 and a shell fragment 422 vertical with disk 421.Disk 421 has a non-circular hole 423 and is fixed in the rotating shaft 311 to be socketed on non-circular shaft part 41, and shell fragment 422 bottom surfaces form one first raised line 424 near terminal position.Cooperate shell fragment 422 positions, open-work 43 is set on the side folding part 12 of base 1.Spring 44 is arranged on the non-circular shaft part 41, and an end is held on disk 421 inner side surfaces of shell fragment cam 42, to provide shell fragment cam 42 outside restoring force.

Fastening structure 45 is fixed on the bottom surface 11 of base 1, has the C type folder 451 of end openings extension near open-work 43, and the C type presss from both sides 451 openings and forms second raised line 452 near terminal position.C type folder opening this second raised line position relatively forms one the 3rd raised line 453 (can referring to Fig. 4).

Push jack 46 has a circular hole 461 and can together rotate with connecting base 2 to be socketed on non-circular shaft part 41, and extends a pushing part 462 in non-circular shaft part 41 axial Vertical direction; Simultaneously, with respect to spring 44, the adjacent setting of disk 421 outer side surfaces of push jack 46 and shell fragment cam 42.In addition, pushing part 462 can connect a pushing block (figure does not show),, connects so pushing part 462 can form forked with finger push with convenient.

End cap 47 is fixed in the end of non-circular shaft part 41, can be spirally connected or the riveted joint mode is fixed, with restraining spring 44, shell fragment cam 42 and push jack 46 on non-circular shaft part 41.

At Fig. 3 to Fig. 6 act of operation of the present utility model has been described.

See also Fig. 3 and Fig. 4, the display screen that has shown connecting base 2 is gone to base 1 is horizontal position, and shell fragment cam 42 is made shell fragment 422 withdraw from outside the open-work 43 by spring 44 ejections, and connecting base 2 can turn to unspecified angle, for example goes to connecting base 2 shown in Figure 1 and makes display screen be the vertical position.

Shown in Figure 5, when connecting base 2 goes to screen when being the vertical position, then can be shown in arrow among the figure, promote push jack 46 and make shell fragment cam 42 pressuring springs 44, and shell fragment 422 ends are stretched in the open-work 43, make first raised line 424 pass fastening structure 45C type and press from both sides the second interior raised line 452 of 451 openings and the phase clamping, as shown in Figure 6, to lock first pivot joint 31, make that connecting base 2 is locked and can not rotate.

The utility model mainly is to utilize first raised line 424 and second raised line 452 in the stroke of clamping mutually, because shell fragment 422 is unsettled, so can on behaviour part person push the finger of push jack 46, produce a sensation of beating or send a clip sound, first pivot joint 31 be finished locking to notify user's locking device 4.

In the time will unlocking, as long as push push jack 46 again, utilize the restoring force of spring 44, can make shell fragment 422 withdraw from open-work 43, and connecting base 2 just can rotate again shell fragment cam 42 pushed home.

In addition, referring to Fig. 2, the utility model further is provided with a banking stop 33 in the rotating shaft 311 of first pivot joint 31.This banking stop 33 has a circular hole 331 to pass for rotating shaft 311, and extends a buckle 332 with the button hole 23 on the back folding part 21 that buckles into connecting base 2 at periphery, makes banking stop 33 together to rotate with connecting base 2.Form a unfilled corner 333 on banking stop 33 peripheries, this unfilled corner 333 is stretched into interference by the shell fragment 422 of shell fragment cam 42, makes can be the restriction of slewing area with this unfilled corner 333 when connecting base 2 rotates.The angle limits of this unfilled corner 333 makes connecting base 2 slewing areas can limit display screen and tilts and the location in level and approximately vertically.

To sum up institute is old, the pivot of display screen frame provided by the utility model, and wherein locking device can be pointed to produce and beat sensation or send the clip sound when operation the operator, notifies the user to lock and finishes.

Claims

1. the pivot of a display screen frame comprises:

2. according to the pivot of the described display screen frame of claim 1, it is characterized in that C type folder opening is formed with one the 3rd raised line in this second raised line position relatively.

3. according to the pivot of the described display screen frame of claim 1, it is characterized in that, further be provided with a banking stop in the rotating shaft of first pivot joint; This banking stop has a circular hole that passes for this rotating shaft, and periphery extend one in order to tabs after buckling into this connecting base on a button hole, and then the buckle that this banking stop and this connecting base are together rotated; Be formed with one on this banking stop periphery and can be stretched into the unfilled corner that forms interference by this shell fragment cam shell fragment.

4. according to the pivot of the described display screen frame of claim 3, it is characterized in that, unfilled corner have can limit connecting base slewing area and then restriction display screen level and vertical between tilt and the angle of location.