CN1767740A

CN1767740A - Display support capable of adjusting height

Info

Publication number: CN1767740A
Application number: CN 200410084134
Authority: CN
Inventors: 崔海硕
Original assignee: LG Electronics Nanjing Display Co Ltd
Current assignee: LG Electronics Nanjing Display Co Ltd
Priority date: 2004-10-25
Filing date: 2004-10-25
Publication date: 2006-05-03
Anticipated expiration: 2024-10-25
Also published as: CN100386008C

Abstract

This invention applies a gear on the support frame for supporting the display and adjusting the height and uses materials reducing friction and noises to constitute the components, in which, the frame includes: a rack wheel having a certain height and sliding up and down along the wall surface and a fixing part of the sliding slots, a moving part plugged in the slots moving a sliding rod up and down, when said sliding rod is plugged in the slots and moves, it is meshed with said rack wheel to rotate the small gear supported by the moving part, which can stops the tools at any positions of the fixing part.

Description

Height adjustable display bracket

Technical field

The present invention improves the structure that slides of display bracket, and mounting teeth wheel construction on support with when adjusting height, carries out gliding motility.By adopting the material that can reduce friction with noise, the noise and the friction that produce when guaranteeing more stable drive state and effectively reducing transmission.

Background technology

As a rule, be equipped with the support of support displays in the LCD of employing watch-dog, and also be provided with the fixed part of playing a supporting role on this support, in the upper end of this fixed part with certain altitude, watch-dog links to each other with moving part, with the condition lower support display of guaranteeing moving up and down.

Here, structure that the moving part of conventional formula display moves up and down on support is installed to be had a variety ofly, but the most representative example as shown in Figure 1, and on the fixed part 1 that forms metal framework, the moving part that is made of plastics 2 moves up and down in the mode of sliding.

That is to say, slide up and down moving part 2 according to the height of user's needs, and fixedly connected in addition with fixtures such as screw (not shown).

But in routine techniques, owing to adopted the mode of sliding merely, so fail to eliminate fully the noise that causes because of friction when mobile and guarantee normal gliding motility.

Especially fixed part 1 and the moving part of being made by plastics or metal material 2 very easily produces friction, and this friction has caused noise, brings great sense of discomfort to the user.

Finally, the user loses product and trusts sense, and has directly caused the result of manufacturer's break faith.

Summary of the invention

The present invention is intended to solve the problems referred to above that exist in the routine techniques, only adopts the gear mode with the moving part that slides the mode transmission, and adopts existing and other material simultaneously, noise that produces when effectively reducing transmission and friction.

For achieving the above object, height adjustable display bracket comprises among the present invention: have certain height and width, and form tooth bar (rack) gear of above-below direction along wall, be provided with the fixed part of slide slot simultaneously; Around this fixed part, and, be provided with and insert in the above-mentioned slide slot, can slide up and down and move the moving part that slides bar (slide bar) at medial surface; Insert when carrying out gliding motility in the slide slot at the above-mentioned bar that slides, mutually meshing with above-mentioned rack pinion, pinion (pinion) rotatable and that support by moving part; Make moving part stop at the instrument that stops of fixed part optional position.

The transmission instrument of the LCD that can move up and down on support among the present invention adopts rack pinion, the pinion of (POLYACETAL) being made by polyacetals (POM) and slides bar and slide slot, and is mobile to slide smoothly.

Description of drawings

Fig. 1 is the structural representation of conventional formula display bracket,

Fig. 2 is the STRUCTURE DECOMPOSITION figure of display bracket of the present invention,

Fig. 3 a is provided with the structural representation of the display bracket of fixed part in the present invention,

Fig. 3 b is along A-A line side cross-sectional view among Fig. 3 a.

Accompanying drawing major part symbol description

10: fixed part 11: rack pinion

12: slide slot 20: moving part

22: slide bar 23: the articulated section

30: pinion 31: rotating shaft

40: lid 50: button

55: fixed lobe portion 80: spring

Embodiment

With reference to Fig. 2～Fig. 3 b, the embodiment of the invention is elaborated below.

At first, with reference to Fig. 2～Fig. 3 b, the supporting structure of the LCD in the embodiment of the invention is elaborated.

As shown in Figure 2, height adjustable display bracket comprises among the present invention: have certain height and width, and form the rack pinion 11 of above-below direction along wall, be provided with the fixed part 10 of slide slot 12 simultaneously; Around this fixed part 10, and, be provided with and insert in the above-mentioned slide slot 12, can slide up and down and move the moving part 20 that slides bar 22 at medial surface; Insert when carrying out gliding motility in the slide slots 12 at the above-mentioned bar 22 of sliding, mutually meshing with above-mentioned rack pinion 11, pinion 30 rotatable and that support by moving part 20; Make moving part 20 stop at the instrument that stops of fixed part 10 optional positions.

Above-mentioned rack pinion 11 can be integrally formed with fixed part 10, and the rack pinion of being made by metallic plate also can be installed in (not shown) in the fixed part 10 separately.

At the left and right sides of fixed part 10 end surface, be formed with the slide slot 12 of elongated slot shape.

In addition, among the present invention, on the Height Adjustment support of LCD, be provided with the moving part 20 that moves up and down along fixed part 10, in the left and right sides of this moving part 20 medial surface and slide slot 12 corresponding positions, also be provided with move in the slide slot 12 that inserts fixed part 10 slide bar 22.

At this moment, slide slot 12, slide bar 22, rack pinion 11 and pinion 30 and make by the engineering plastics polyacetals.

In addition, in moving part 20, also be provided with to make and insert in the slide slots 12 when fixed part 10 moves, can guarantee its pinion that slides smoothly 30 when sliding bar 22.

Side, the both sides central authorities of above-mentioned pinion 30 are provided with certain rotating shaft 31, and are provided with the support aperture 21 of rotatable rotating shaft 31 at moving part 20, and rotating shaft 31 is set in this support aperture 21, with rotation pinion 30.

Display (not shown) is installed in the outside at moving part 20, and is provided with the articulated section 23 at adjustable tilt angle.

As mentioned above, after moving part 20 assemblings are finished,, give moving part 20 cover upper cover 40, the final assembling that finishes moving part 20 to cover the form of pinion 30.

In addition, when moving part 20 moves up and down along fixed part 10, should stop at the position that the user needs.For this reason, with the pushbutton unit among installation diagram 3a and Fig. 3 b.

Shown in Fig. 3 a and Fig. 3 b, at a side surface of lid 40 through hole 45 is set, and in this through hole 45, be provided with by moving part 20 and support and be the button 50 that the center rotates with central rotating shaft 51.

At this moment, the structure that makes button 50 rotations of installing on the lid 40 is the content that the correlation technique staff is familiar with already, so do not described in detail at this.

Above-mentioned button 50 is the center with rotating shaft 51, and the one side end is provided with the fixed lobe portion 55 of certain-length, and its opposite side end has the user-friendly structure that protrudes from lid 40 outsides.

In addition, moving part 20 also is provided with through hole 25, and fixed lobe portion 55 is by this through hole 25, protrude in the inboard of moving part 20, and be the center with rotating shaft 51, between button 50 another sides and moving part 20 that form fixed lobe portion 55, also be provided with coil spring 80.

In the said fixing portion 10, slide when mobile and said fixing lug boss 55 corresponding positions also are provided with a plurality of holddown grooves 15 at moving part 20, so that said fixing lug boss 55 inserts.

At this moment, moving part 20 is arranged with button 50 two sides of rotating shaft 51 with outstanding structure ring, or widens the diameter of moving part itself, with the rotatable button 50 of installation at moving part 20 itself but not on the lid 40.

To the effect of the embodiment of the invention with said structure characteristics be elaborated below.

When moving up and down, be not that mode is slided in simple employing, and adopt rack pinion and pinion, make pinion 30 with the mutually meshing situation of rack pinion 11 under, rotate smoothly.

At this moment, for guaranteeing the transmission fail safe, should add the amplitude of wide gear.

Utilize polyacetals to make rack pinion 11 and pinion 30, mutually meshing and when carrying out gliding motility to guarantee when pinion 30 and rack pinion 11, reduce noise and friction to greatest extent.

Polyacetals is compared with other material, its toughness and tenacity and abrasion resistance properties are very outstanding, it is present most popular plastic material, its mechanical property is highly suitable for high and low temperature environment, stress (stress) or tension force (strain) almost approach metal, and elastic return is strong, so can effectively reduce friction and the noise that slides when mobile.

Compare with other resin, the creep resistance of polyacetals and fatigue performance are extremely outstanding, and its abrasion resistance properties is also very outstanding, itself also possesses lubricating function in addition, so can not have normally use under the situation of lubricating condition, the utmost point is suitable for the gear in the structure of the present invention and slides material.

In addition, substantial friction results from slides between bar 22 and the slide slot 12, but make by polyacetals owing to slide bar 22 and slide slot 12, the final friction that forms between polyacetals and the polyacetals, therefore the noise during transmission is less relatively, compares with other material, and frictional force also can be less relatively, so slide when mobile at moving part 20, can reduce noise and can carry out gliding motility smoothly.

Shown in Fig. 3 a and Fig. 3 b, when raising moving part 20 to a certain degree, as long as press button 50, button 50 will be that the center is rotated with rotating shaft 51, and fixed lobe portion 55 will come off the holddown groove 15 from fixed part, and it is mobile to impel moving part 20 to slide.At this moment, if the user stops manual operation,, continue to move to stop moving part 20 just the spring 80 by having reducing power makes in the holddown groove 15 on the fixed lobe portion 55 insertion fixed parts 10 that are located on the button 50.

By above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.

Therefore, the technical scope of this invention is not limited to the content on the specification, must determine its technical scope according to interest field.

Claims

1, a kind of height adjustable display bracket comprises:

Have certain height and width, and form the rack pinion of above-below direction, be provided with the fixed part of slide slot simultaneously along wall;

Around this fixed part, and, be provided with and insert in the above-mentioned slide slot, can slide up and down and move the moving part that slides bar at medial surface;

Insert when carrying out gliding motility in the slide slot at the above-mentioned bar that slides, mutually meshing with above-mentioned rack pinion, pinion rotatable and that support by moving part;

Make moving part stop at the instrument that stops of fixed part optional position.

2, height adjustable display bracket as claimed in claim 1 is characterized in that, above-mentioned rack pinion, pinion and slide slot and slide bar and make by the engineering plastics polyacetals.

3, as claim 1 or the described height adjustable display bracket of claim 2, it is characterized in that, described slide slot is located on the left and right sides end surface of fixed part, slides on the left and right sides inner surface that bar then is located at moving part, to guarantee its corresponding slide slot.

4, as claim 1 or the described height adjustable display bracket of claim 2, it is characterized in that the described instrument that stops to comprise:

Be located at the through hole on the moving part;

Central authorities are supported by moving part rotatory ground, are provided with the button by the outstanding fixed lobe portion of through hole simultaneously;

Be provided with and more than onely insert fixed part with the holddown groove that stops moving by fixed lobe portion;

For when driving above-mentioned button, make fixed lobe portion break away from the said fixing groove, or when drive button not, fixed lobe portion is inserted in the holddown groove, and be located at the certain flexible elasticity accessory that has between button and the moving part.

5, height adjustable display bracket as claimed in claim 4 is characterized in that, the described instrument that stops also to be provided with coil spring between button another side that is formed with fixed lobe portion and moving part.