CN2372751Y - Rise-and-fall device for liquid crystal display - Google Patents

Abstract

The utility model relates to a lifting device for a liquid crystal display. The utility model comprises a base, an air pressure rod, a support frame, an upper frame, an upper box body, and a lower box body, wherein, the air pressure rod comprises an air pressure cylinder, and an expansion rod is arranged in the air pressure cylinder; the expansion rod is positioned at a set position in the air pressure cylinder; the support frame causes the air pressure rod is erected on the base; the upper frame is fixed at the upper end of the air pressure rod; the liquid crystal display is pivoted on the upper frame; the air pressure rod can be automatically positioned in a no section way; the upper end of the air pressure cylinder can be provided with a button; the button can be used for controlling and the positioning the position of the expansion rod in the air pressure cylinder; the upper box body and the lower box body can be sheathed; the upper box body and the upper frame are combined; the lower box body is arranged on the base; the upper and the lower box bodies cause the air pressure rod to be contained.

Description

The jacking gear of LCD

The utility model relates to the jacking gear of a kind of LCD, particularly LCD.

Because the improvement of computer and perimeter equipment, except requiring enhancement function, and external form need be compact, to meet the convenience in the use, therefore, the light and handy LCD of design replaces the display of bulky cathode-ray tube (CRT) (cathode ray tube) formula gradually; Present LCD only can rotate up and down in design the adjustment of doing the angle of inclination or about 180 degree rotations, announce No. 327460 " LCD that can lean forward or swing back " and announce the patent of No. 336013 " locating device of LCD " as Taiwan.

Known LCD, but though can carry out the adjustment and the left rotation and right rotation of dip plane angle, but can not carry out the adjustment of lift in height, use inconvenience, that is everyone is because of height and use habit difference, its use go up the most comfortable height variant naturally, therefore, if can make height control, then the user can transfer to oneself the most comfortable height and position, and using will be convenient more.

Fundamental purpose of the present utility model is to provide a kind of jacking gear of adjusting the LCD height.

For the utility model that achieves the above object is taked following measure:

The jacking gear of LCD of the present utility model is a height of adjusting LCD by a pressure bar, is rotating shaft with this pressure bar simultaneously, to reach the purpose of left rotation and right rotation angle.

By above structure,,, make each user all can transfer to the position of own the most comfortable voluntarily so when adjusting the length of air pressure rod, can adjust the height of this LCD because LCD is articulated in one and puts on the shelf.

As mentioned above, this air pressure rod can be taked the section of nothing locator meams voluntarily, promptly can make the extension stem location by a button control in the pneumatic cylinder, uses the length of adjusting air pressure rod.

As mentioned above, put on the shelf in conjunction with a upper cartridge body, base is provided with a lower box body, and itself and upper cartridge body fit are in upper and lower box body is contained within air pressure rod, like this, comparatively attractive in appearance on the external form.

Air pressure rod itself can not position length, relative snapped-in position by upper and lower box body decides the flexible length of air pressure rod, promptly the lower ends downward of this upper cartridge body is extended a location division, stretch in the lower box body, the location division is provided with draw-in groove at interval, but lower box body is provided with the bayonet unit that an elasticity is pulled, and fastening device is snapped in the draw-in groove of location division of upper cartridge body.

Described base is provided with the groove of a circle, groove is provided with the opening of a circular arc, and the lower box body bottom is provided with a disk and groove fit, and is provided with the below of fastener fastening in this opening, making lower box body can this air pressure rod be that rotating shaft is rotated on base, and can not break away from base.

The utility model is taked following concrete structure:

The jacking gear of LCD of the present utility model is characterized in that, comprising:

One base;

One air pressure rod, it comprises the extension stem that a pneumatic cylinder and stretches in pneumatic cylinder, extension stem is positioned the desired location in the pneumatic cylinder;

One support stands on the air pressure rod frame on the base;

One puts on the shelf, is fixed in the upper end of air pressure rod, and LCD articulates thereon.

The jacking gear of described LCD is characterized in that,

Described air pressure rod is the air pressure rod of the section of nothing location voluntarily, and the upper end of described pneumatic cylinder is provided with a button, and the button may command is located the position of described extension stem at pneumatic cylinder.

The jacking gear of described LCD is characterized in that, also include one with the described upper cartridge body of putting on the shelf and combining; One lower box body is located on the described base, with the upper cartridge body fit, in upper and lower box body is contained within described air pressure rod.

The jacking gear of described LCD is characterized in that,

The lower ends downward of described upper cartridge body is extended a location division, stretches in the lower box body, and the location division is provided with draw-in groove at interval, but described lower box body is provided with the bayonet unit that an elasticity is pulled, and the draw-in groove of bayonet unit and upper cartridge body location division is buckle mutually.

The jacking gear of described LCD is characterized in that,

Described base is provided with the groove of a circle, and groove is provided with the opening of a circular arc, described lower box body bottom be provided with one can with the disk of groove fit, and be provided with fastener with opening below fastening.

The accompanying drawing simple declaration:

Fig. 1: the stereographic map of the utility model preferred embodiment.

Fig. 2: the utility model preferred embodiment is in the schematic perspective view of decline state.

Fig. 3: the side cutaway view of the utility model preferred embodiment.

Fig. 4: the side cutaway view that the lower box body of the utility model preferred embodiment combines with base.

Fig. 5: the bayonet unit of the utility model preferred embodiment and the three-dimensional exploded view of lower box body.

Fig. 6: the upper and lower box body of the utility model preferred embodiment breaks away from the side cutaway view of buckle.

Fig. 7: the user mode synoptic diagram of the utility model preferred embodiment.

Fig. 8: another preferred embodiment of the utility model the inside schematic perspective view.

Reaching embodiment in conjunction with the accompanying drawings is described as follows the utility model:

See also Fig. 1,2 and 3, it represents a preferred embodiment of the present utility model, and it includes: a base 1, an air pressure rod 2, a support 3, put on the shelf 4, one lower box body 5, a upper cartridge body 6 and a bayonet unit 7, wherein:

Base 1 is provided with the recess 11 of a circle, and recess 11 tops are provided with second groove 13 and the opening 14 that is provided with a circular arc in circular first groove, 12, the first grooves 12.

Support 3 is fixedly arranged on recess 11 centers of base 1, and its upper end is provided with a perforation 31, and its lower end is provided with the faying face 32 of projection slightly, and correspondence is provided with a cover T-Ring 33 in the perforation 31.

Air pressure rod 2 is provided with the pneumatic cylinder 21 and the extension stem 22 that can stretch of a tool air pressure in pneumatic cylinder, expansion link 22 is enclosed within down to prop up and adds 3 cover T-Ring 33 places, stand on the base 1 with frame, extension stem 22 lower ends are locked on the faying face 32 of support, extension stem 22 is released by the atmospheric pressure in the pneumatic cylinder, when pneumatic cylinder 21 was located by bayonet unit 7, air pressure rod 2 promptly formed the length of being located.

Putting on the shelf 4 is one approximately and falls " Ω " shape, in conjunction with the upper end of being fixed in air pressure rod 2, LCD 81 by a pivoting device 82 pivot joints thereon, it is provided with several bonding pads 41.

Please cooperate and consult Fig. 4, lower box body 5 covers for the two halves box body, the screw lock be combined into, its bottom is provided with first groove, 12 fits of a disk 51 and base, and corresponding two peripheries are provided with fastener 52, in opening 14 belows, its hypomere is provided with a groove 53 by the sealed and fastening of a screw 56, and its inner face lower end is provided with articulated section 54.

Upper cartridge body 6 covers for the two halves box body, the screw lock be combined into, can be inserted in the lower box body 5, its both sides, lower end are extended a location division 61 downwards and are stretched in the lower box body 5, location division 61 is provided with the draw-in groove 611 at a plurality of intervals, the joint portion 62 that intersegmental part is provided with several tool internal threads on it with put 4 bonding pad 41 screw locks on the shelf.

Please cooperate and consult Fig. 5, bayonet unit 7 is provided with a buckling piece 71, a press element 72 and a spring 73; Buckling piece 71 lower ending pivots are connected to the articulated section 54 in the lower box body, and its both sides are provided with the draw-in groove 611 of the holding section 711 buckle upper cartridge bodies 6 of rectangular protrusion; Spring 73 is positioned on the projection 55 with a screw 74, and elasticity compresses the draw-in groove 611 that buckling piece 71 fastens upper cartridge body 6; Press element 72 is installed in groove 53, and its both sides respectively are provided with a nose bar 721 and trip 722, and passes groove 53, nose bar 721 conflict buckling pieces 71, and trip 722 can engage and unlikely coming off with lower box body 5.

By above structure, in the time of adjusting the height of LCD, see also Fig. 6, press press element 72, this moment, the holding section 711 of buckling piece 71 promptly broke away from the draw-in groove 611 of upper cartridge body, this moment air pressure rod 2 free state, can push upper cartridge body 6 by hand, to adjust the length of air pressure rod 2, decontrol press element 72 after meeting own required height, as shown in Figure 7, the capable again buckle of this moment buckling piece 71 and draw-in groove 611, this moment upper and lower box body 6,5 one-tenths fastening shapes, the while length of air pressure rod 2 is also located; The disk 51 of lower box body 5 bottoms and first groove, 12 fits of base, fastener 52 fastenings of its lower end are in opening 14 belows of arc, so lower box body 5 and 1 one-tenth fastening state of base, and extension stem 22 that can air pressure rod 2 rotates mutually for central shaft, with the left and right directions of conversion LCD.

The foregoing description is located the length of air pressure rod 2 with the buckle element of outside, to adjust the height of LCD, see also Fig. 7, the air pressure rod 2 of present embodiment is the section of nothing location voluntarily, the upper end that is pneumatic cylinder 21 is provided with a button 23, the arbitrary position of extension stem 22 in pneumatic cylinder 21, button 23 may command location, that is when pressing button 23 extension stem 22 free state, extension stem 22 is subjected to fastening when discharging, on the button 23 in conjunction with a depression bar 24, depression bar 24 stretches out upper cartridge body 6 upper ends, to make things convenient for the user to push, because can locating voluntarily, air pressure rod 2 need not be provided with as settings such as bayonet unit among the preceding embodiment and location divisions, remaining design is roughly identical with preceding embodiment, relevant this kind air pressure rod of the section of nothing location voluntarily is to be known mechanism, and no longer this gives unnecessary details its detailed construction.

Compared with prior art, the utlity model has following effect:

Because the utility model utilizes air pressure rod, makes liquid crystal display reach the lift in height effect, Adapting to each user's height requirement, and the extension stem of air pressure rod and pneumatic cylinder phase fit Can relatively rotate, so can use as central rotating shaft, make liquid crystal display can make left and right directions again Rotation, the unitary construction type is very simple, and is easy to manufacture.

Claims (5)

1, a kind of jacking gear of LCD is characterized in that, comprising:

One base;

One air pressure rod, it comprises the extension stem that a pneumatic cylinder and stretches in pneumatic cylinder, extension stem is positioned the desired location in the pneumatic cylinder;

One support stands on the air pressure rod frame on the base;

One puts on the shelf, is fixed in the upper end of air pressure rod, and LCD articulates thereon.

2, the jacking gear of LCD according to claim 1 is characterized in that,

Described air pressure rod is the air pressure rod of the section of nothing location voluntarily, and the upper end of described pneumatic cylinder is provided with the button that a may command is located described extension stem position in pneumatic cylinder.

3, the jacking gear of LCD according to claim 1 and 2 is characterized in that, also include one with the described upper cartridge body of putting on the shelf and combining; One lower box body is located on the described base, with the upper cartridge body fit, in upper and lower box body is contained within described air pressure rod.

4, the jacking gear of LCD according to claim 3 is characterized in that,

The lower ends downward of described upper cartridge body is extended a location division, stretches in the lower box body, and the location division is provided with draw-in groove at interval, but described lower box body is provided with the bayonet unit that an elasticity is pulled, and the draw-in groove of bayonet unit and upper cartridge body location division is buckle mutually.

5, the jacking gear of LCD according to claim 3 is characterized in that,

Described base is provided with the groove of a circle, and groove is provided with the opening of a circular arc, described lower box body bottom be provided with one can with the disk of groove fit, and be provided with fastener with opening below fastening.

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