CN2651895Y

CN2651895Y - Improved supporting arm of displaying device

Info

Publication number: CN2651895Y
Application number: CN 03258498
Authority: CN
Inventors: 黄明华
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-09-24
Filing date: 2003-09-24
Publication date: 2004-10-27
Anticipated expiration: 2013-09-24

Abstract

A modified display supporting arm is provided, which comprises a main supporting arm, an extension arm pivoted at the back end of the main supporting arm, a display fixing pedestal pivoted at the front end of the main supporting arm to hang the display, and a supporting wall fixing pedestal positioned at the back end of the extension arm to fix the whole supporting arm on a wall or other fixing objects. The front end and the back end of the main supporting arm are respectively pivoted with a front and a back joint holder through a first and a second horizontal shaft pin. A front end and a back end of a connecting rod are respectively pivoted with the front and the back joint holder through a third and a fourth horizontal shaft pin. Both lateral walls of the back joint holder are respectively provided with an arch gear wall edge. A retaining block is moveably sheathed with the back end of the connecting rod. Both sides of the retaining block are respectively arranged with a moving gear, which just meshes the gear wall edge. The utility model can adjust the angle along the vertical shift of the supporting arm, thereby realizing automatic supporting force adjustment.

Description

The sway brace of improved display

Technical field

The utility model relates to a kind of bracing or strutting arrangement of display, relate in particular to a kind of can be with the sway brace adjustment angle that is shifted up and down, and adjust the sway brace of the improved display of anchorage force automatically.

Background technology

Existing display sway brace comprises that mainly a master arm, is articulated in the sway brace holder that display holder, that the adjutage of master arm rear end, is articulated in the master arm front end is articulated in the adjutage rear end; Wherein, between master arm and adjutage, between master arm and display holder, be respectively equipped with the joint that to rotate up and down between adjutage and sway brace holder, make display can adjust the angle of its use arbitrarily.

Above-mentioned master arm also includes a spring, utilizes spring to be compressed the elastic-restoring force that the back is produced, so that the strength of a support displays to be provided to master arm.Yet, though can adjusting nut by one, this spring adjusts different anchorage forces, use with the display that cooperates different size, because the adjustment of anchorage force promptly is adjusted setting usually at the beginning of using, that is in use can't adjust its anchorage force at any time arbitrarily.Especially, according to the vector relations of mechanics, when display is upwards drawn high, when making master arm be vertical angle to spend, its needed anchorage force is more little, and is fallen when display pulls down, and when making main supporting walls be sagging angle, its needed anchorage force is big more.Therefore, with above-mentioned existing display sway brace structure,, display falls when being pulled down, make master arm be sagging angle when big more, this has been adjusted the spring tension of setting, effective support displays, and produce the shortcoming that master arm can down slip out.

The utility model content

In order to overcome the above-mentioned shortcoming that existing display sway brace exists, the utility model provides a kind of sway brace of improved display, and it can be with the sway brace adjustment angle that is shifted up and down, and adjusts anchorage force automatically.

The technical scheme that its technical matters that solves the utility model adopts is:

A kind of sway brace of improved display comprises that a master arm, is articulated in the adjutage of master arm rear end, and is articulated in display holder, that the master arm front end fixedly hangs for display and is articulated in the adjutage rear end whole sway brace is fixed on supporting walls holder on wall or other fixed objects; Wherein, between master arm and adjutage, between master arm and display holder, be respectively equipped with a Z-axis between wall extension and sway brace holder, but make the joint that forms a left and right sides angular turn between main supporting walls, adjutage, display holder, sway brace holder respectively with Z-axis; Again, this main supporting walls comprises that also the sleeve pipe, that spring, that a preceding connecting base that is fixed in its front and back end Z-axis and back connecting base, one are sheathed on the connecting rod back segment with the isometric connecting rod, of master arm is sheathed on the connecting rod leading portion covers the dust cap that places on the master arm; Wherein, master arm is the body of rod that a cross section generally is the Qian font, be arranged in wherein for connecting rod, the front and back ends of master arm is articulated on preceding connecting base, the back connecting base with the first horizontal shaft tip, the second horizontal shaft tip respectively, the front and back ends of connecting rod is articulated on preceding connecting base, the back connecting base with the 3rd horizontal shaft tip, the 4th horizontal shaft tip respectively, and make connecting rod and master arm form parallel shape, make master arm and connecting rod respectively with the first horizontal shaft tip, the second horizontal shaft tip, the 3rd horizontal shaft tip, the 4th horizontal shaft tip form one can about the joint of angular turn; The rear end of connecting rod is provided with a stop block, and the proper ammunition feed spring of stop block rear end is replaced, and the front end of connecting rod is provided with one section screw thread and is installed with a nut, and this nut is just replaced for the sleeve pipe front end; It is characterized in that the two side of described back connecting base is respectively equipped with a circular-arc gear wall edge, described stop block becomes moving type to be sheathed on rod rear end, and is respectively equipped with a free gear in the both sides of this stop block, and this free gear is just replaced and is engaged in gear wall edge; Whereby, when moving up and down master arm, free gear can be replaced to be engaged on the gear wall edge and roll, and then adjusts anchorage force automatically.

The beneficial effects of the utility model are, it can be with the sway brace adjustment angle that is shifted up and down, and adjusts anchorage force automatically.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a schematic perspective view of the present utility model

Fig. 2 is the action synoptic diagram that sectional view of the present utility model and master arm thereof are level angle

Fig. 2 A is the enlarged diagram at position shown in Figure 2

Fig. 3 is the action synoptic diagram that sectional view of the present utility model and master arm thereof are the vertical angle degree

Fig. 3 A is the enlarged diagram at position shown in Figure 3

Fig. 4 is the action synoptic diagram that sectional view of the present utility model and master arm thereof are sagging angle

Fig. 4 A is the enlarged diagram at position shown in Figure 4

The number in the figure explanation:

Connecting base before 10 master arms 11

12 back connecting base 121 gear wall edge

13 connecting rods, 131 stop blocks

132 screw threads, 133 nuts

134 free gears, 14 springs

15 sleeve pipes, 16 dust caps

20 adjutages, 30 display holders

40 sway brace holders, 50 displays

60 Z-axises, 71 first horizontal shaft tips

72 second horizontal shaft tip 73 the 3rd horizontal shaft tips

74 the 4th horizontal shaft tip 80 walls

Embodiment

Consult shown in Fig. 1,2, the utility model essential structure comprises that adjutage 20, that a master arm 10, is articulated in master arm 10 rear ends is articulated in master arm 10 front ends and can be articulated in adjutage 20 rear ends for the display holder 30, that display 50 fixedly hangs and whole sway brace can be fixed on sway brace holder 40 on the wall 80 (or other fixed objects); Wherein, 20 of master arm 10 and adjutages, master arm 10 and 30 of display holders,

adjutage

20 and 40 of sway brace holders are respectively equipped with a Z-axis 60, but make 40 of master arms 10, adjutage 20, display holder 30, sway brace holder form the joint of a left-right rotation with Z-axis 60 respectively, so make display 50 can be arbitrarily about the angle of its use of adjustment.

Above-mentioned master arm 10 also includes the sleeve pipe 15, that spring 14, that a preceding connecting base 11 that is articulated in its front and back end and back connecting base 12, one be sheathed on connecting rod 13 back segments with the isometric connecting rod 13, of master arm 10 is sheathed on connecting rod 13 leading portions and covers the dust cap 16 that places on the main brace arm 10; Wherein, first sway brace 10 is the body of rod that a cross section generally is the Qian font, is provided with for connecting rod 13, and the front and back ends of master arm 10 is articulated on preceding connecting base 11, the back connecting base 12, shown in Fig. 2, Fig. 2 A with first horizontal shaft tip 71, the second horizontal shaft tip 72 respectively.The front and back ends of connecting rod 13 is articulated on preceding connecting base 11, the back connecting base 12 with the 3rd horizontal shaft tip the 73, the 4th horizontal shaft tip 74 respectively, and make connecting rod 13 and master arm 10 form parallel shape, make master arm 10 and connecting rod 13 form the joint that to rotate up and down according to first horizontal shaft tip 71, second horizontal shaft tip the 72, the 3rd horizontal shaft tip the 73, the 4th horizontal shaft tip 74 respectively, shown in Fig. 3 A, Fig. 4 A.Have, the rear end of connecting rod 13 is provided with a stop block 131 again, and stop block 131 proper ammunition feed springs 14 rear ends are replaced, and the front end of connecting rod 13 is provided with one section screw thread 132, and is installed with a nut 133, and nut 133 is just replaced for sleeve pipe 15 front ends.

From the above mentioned, the utility model essential structure is general basic identical with existing display sway brace, so no longer further give unnecessary details; Of the present utility model being characterised in that,

The two side of above-mentioned back connecting base 12 is respectively equipped with a circular-arc gear wall edge 121, this stop block 131 is into moving type and is sheathed on connecting rod 13 rear ends, and being respectively equipped with a free gear 134 in the both sides of this stop block 131, this free gear 134 is just replaced and is engaged in gear wall edge 121.

By above-mentioned structure design, when moving up and down master arm 10, free gear 134 can be replaced to be engaged on the gear wall edge 121 and roll.Yet, because the 4th horizontal shaft tip 74 that is articulated in connecting rod 13 rear ends to the every bit of circular-arc gear wall edge 121 all becomes not equidistant, that is distance more up is more little, and distance more down is big more, like this, when display 50 is upwards drawn high, when making master arm 10 be vertical angle to spend (as shown in Figure 3), free gear 132 can be along gear wall edge 121 displacement that scrolls up, and stop block 131 will be retired backward at this moment; And fallen when display 50 pulls down, when making master arm 10 be sagging angle (as shown in Figure 4), free gear 132 will be along gear wall edge 121 downward barrel shifts, this moment, stop block 131 will be forced to past anterior displacement and extrusion spring 14, impel spring 14 to produce bigger bounce-back tension force, providing a bigger anchorage force to master arm 10, and then can prevent that master arm 10 from down slipping out with support displays 50.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

In sum, the utility model is on structural design, use practicality and cost benefit, it is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, have novelty, creativeness, practicality, meet novel patented claim important document, so mention application in accordance with the law.

Claims

A kind of sway brace of improved display comprises that a master arm, is articulated in the adjutage of master arm rear end, and is articulated in display holder, that the master arm front end fixedly hangs for display and is articulated in the adjutage rear end whole sway brace is fixed on supporting walls holder on wall or other fixed objects; Wherein, between master arm and adjutage, between master arm and display holder, be respectively equipped with a Z-axis between wall extension and sway brace holder, but make the joint that forms a left and right sides angular turn between main supporting walls, adjutage, display holder, sway brace holder respectively with Z-axis; Again, this main supporting walls comprises that also the sleeve pipe, that spring, that a preceding connecting base that is fixed in its front and back end Z-axis and back connecting base, one are sheathed on the connecting rod back segment with the isometric connecting rod, of master arm is sheathed on the connecting rod leading portion covers the dust cap that places on the master arm; Wherein, master arm is the body of rod that a cross section generally is the Qian font, be arranged in wherein for connecting rod, the front and back ends of master arm is articulated on preceding connecting base, the back connecting base with the first horizontal shaft tip, the second horizontal shaft tip respectively, the front and back ends of connecting rod is articulated on preceding connecting base, the back connecting base with the 3rd horizontal shaft tip, the 4th horizontal shaft tip respectively, and make connecting rod and master arm form parallel shape, make master arm and connecting rod respectively with the first horizontal shaft tip, the second horizontal shaft tip, the 3rd horizontal shaft tip, the 4th horizontal shaft tip form one can about the joint of angular turn; The rear end of connecting rod is provided with a stop block, and the proper ammunition feed spring of stop block rear end is replaced, and the front end of connecting rod is provided with one section screw thread and is installed with a nut, and this nut is just replaced for the sleeve pipe front end; It is characterized in that,

The two side of described back connecting base is respectively equipped with a circular-arc gear wall edge, and described stop block becomes moving type to be sheathed on rod rear end, and is respectively equipped with a free gear in the both sides of this stop block, and this free gear is just replaced and is engaged in gear wall edge.