CN2603993Y

CN2603993Y - Screen elevator apparatus

Info

Publication number: CN2603993Y
Application number: CN 02294278
Authority: CN
Inventors: 蔡倘文
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-26
Filing date: 2002-12-26
Publication date: 2004-02-18
Anticipated expiration: 2012-12-26

Abstract

A screen lifting device, is that a pillar which can axially move is arranged in an upright post; the top of the upright post is connected to a screen, one end of the upright post is provided a mouth upwards, a pillar is axially arranged in the upright post, a winding elastic part is embedded and fixed at one end near the mouth in the upright post, a sliding block is fixedly connected at one end of the support pole arranged at the pillar, the sliding block axially slides in the upright post, and the bottom of the sliding block pushes against on the elastic part in the upright post, the elastic part supports and reciprocatively takes the support pole and the screen. The utility model has the advantage of convenience to use, with good lifting effect, capable of reducing cost, and with market competitiveness.

Description

The screen jacking gear

Technical field

The utility model relates to a kind of screen elevating mechanism, relates in particular to a kind of very easy to usely, and the lifting effect is good, reduces cost, and has the screen jacking gear of the market competitiveness.

Background technology

General common screen jacking gear, as shown in Figure 5, it mainly is to be provided with a pillar 61 on a base 6, being provided with one in this pillar 61 can the axially movable body of rod 62, the top of this body of rod 62 links a screen (not shown), and these pillar 61 1 sides are provided with an adjustment bolt 63, and this adjustment bolt 63 stretches through this pillar 61 and is packed in this body of rod 62.The side that 62 pairs of this bodies of rod should be adjusted bolt 63 is provided with several equidistant adjustment holes 621, supplies the front end of this adjustment bolt 63 to be butted in this adjustment hole 621, so that this body of rod 62 is fixed in this pillar 61.

When adjusting, can unscrew earlier and adjust bolt 63, make the front end of this adjustment bolt 63 break away from the adjustment hole 621 of this body of rod 62, this body of rod 62 can be moved axially, to adjust the height of this screen, treat that this screen is adjusted to the location after, should adjust bolt 63 again and screw, its front end is butted in the adjustment hole 621 of this location, and screen is fixed.

Yet, when adjusting aforementioned screen height, unusual trouble, it must unscrew earlier adjusts bolt 63 and makes the adjustment of screen liftable, afterwards, screws this adjustments bolt 63 again with fixed mask, and operation is inconvenient.And also must be with helping screen on the other hand when adjusting, turn should be adjusted bolt 63 on the other hand, but screen itself has constant weight, this kind adjustment mode is for more small and weak women, and is very painstaking, accidentally, easily make the whole landing of screen to pillar 61, cause the screen damage.

Because the operation inconvenience that aforementioned screen jacking gear exists, the shortcoming of easy damaged screen, and have the dealer that this jacking gear is substituted with an air pressure rod or oil pressure rod, the jacking gear of this air pressure rod or oil pressure rod, though comparatively convenient in operation, the cost of this air pressure rod or oil pressure rod is very high, when especially being used for supporting the screen of high price, the quality requirements of this air pressure rod or oil pressure rod is higher, whole cost is improved, and can't have the competitive power in market.

The utility model content

In order to overcome operation inconvenience and the high shortcoming of cost that existing screen jacking gear exists, the utility model provides a kind of screen jacking gear, and it has advantage very easy to use, and the lifting effect is good, can reduce cost, and has the market competitiveness.

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

A kind of screen jacking gear, its be in a column, be provided with one can axially movable pillar, the top of this pillar links a screen; It is characterized in that, one end of this column has up an opening, one pole axially is installed in this column, the an end build-in one coiling elastic component of close this opening in this column, this pole is installed in the affixed sliding shoe of an end of this column, this sliding shoe is to endwisely slip in this column, and on the elastic component of the base abuts of this sliding shoe in this column, supports and back and forth drive this pole and this screen by this elastic component.

Aforesaid screen jacking gear, one end of the described relatively opening of its central post is installed with a base plate, for an affixed base, one side of this column offers a groove, this groove is provided with two lugs at the end near this base plate, the inner face of this groove is embedded with a lateral plate, this lateral plate and each lug corresponding section are respectively equipped with an embedding hole, this lug is embedded in this embedding hole, make this lateral plate be positioned the inner face of this groove, and an end of close this stud openings of this lateral plate has an embedding seat, and an end build-in of this elastic component is in this embedding seat, and the bottom of this sliding shoe has the portion that supports of an indent, the portion that supports of this indent is resisted against on the interior elastic component of this column, the opening corresponding position of this pole and this column is provided with a loam cake, and this loam cake is to be covered on this opening, and fixes with screw.

Aforesaid screen jacking gear, wherein elastic component is a volute spring by the steel disc coiling, and this elastic component has a stiff end and a free end, and this stiff end is fixed in described embedding seat, and this free end is to reel and this stiff end extension relatively towards this stiff end.

Aforesaid screen jacking gear, the top of its B-C post have a pivotable pin joint seat, and this pin joint seat and this screen are connected, and can pivot for this screen and adjust the inclination angle.

The beneficial effects of the utility model are that it has advantage very easy to use, and the lifting effect is good, can reduce cost, and has the market competitiveness.

Description of drawings

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

Fig. 1 is a stereoscopic synoptic diagram of the present utility model

Fig. 2 is an exploded perspective synoptic diagram of the present utility model

Fig. 3 is a sectional view of the present utility model

Fig. 4 is the synoptic diagram of the utility model lift adjustment screen height

Fig. 5 is a kind of synoptic diagram of existing screen jacking gear

Embodiment

See also Fig. 1 to Fig. 3, the utility model is a kind of screen jacking gear, its be in a column 1, be provided with one can axially movable pillar 2, the top of this pillar 2 has a pin joint seat 3, this pin joint seat 3 links a screen 5, for this screen 5 liftable adjustment height and the adjustment inclination angle that pivots.

One end of above-mentioned column 1 has up an opening 11, and an end of this column 1 relative this opening 11 is installed with a base plate 12, and for an affixed base (not shown), and a side of this column 1 offers a groove 13.This groove 13 is provided with two lugs 131 at the end near this base plate 12, and the inner face of this groove 13 is embedded with a lateral plate 14.This lateral plate 14 has an embedding hole 141 respectively with each lug 131 corresponding section, is embedded in this embedding hole 141 for this lug 131, and makes this lateral plate 14 be positioned the inner face of this groove 13.This lateral plate 14 has an embedding seat 142 near an end of this column 1 opening 11, and for the elastic component 15 that build-in one is reeled, in the present embodiment, this elastic component 15 is volute springs that a steel disc is reeled and formed.This elastic component 15 has a stiff end 151 and a free end 152, and this stiff end 151 is to be fixed in this embedding seat 142, and this free end 152 is to reel and this stiff end 151 directions extension relatively towards this stiff end 151.

Above-mentioned pole 2 is to be axially set in this column 1, the affixed sliding shoe 21 of one end of this pole 2, this sliding shoe 21 is that the opening 11 by this column 1 is axially set in the column 1, and can in this column 11, axially slide, and the bottom of this sliding shoe 21 has the portion 211 that supports of an indent, on the elastic component 15 that is resisted against in this column 1.Supporting and back and forth to drive this pole 2 and screen 5, and opening 11 places that 2 pairs of this poles should column 1 are provided with a loam cake 22 by this elastic component 15, for being covered on this opening 11, and fix with screw 23.

Whereby, when adjusting the height of this screen 5, as shown in Figures 3 and 4, can directly force in this screen 5, when pressing down screen 5, the sliding shoe 21 of this pole 2 can descend and compress the free end 152 of this elastic component 15 upholds downwards, because the weight that the elastic force of this elastic component 15 can support equals the weight that this pole 2 adds screen 5, therefore, drop to place, a location when pressing down screen 5, and decontrol this screen 5, and the strength that presses down is disappeared, this screen 5 promptly can be parked in this place, location; Otherwise, when this screen 5 is risen, need only apply strength upwards to this screen 5, this screen 5 promptly can rise by free end 152 restoring forces of elastic component 15, decontrol this screen 5 once rise to place, a location, the strength of rising is disappeared, this screen 5 promptly no longer rises, and stop at this place, location, reach the purpose of adjusting screen 5 height.

This screen 5 need only can make screen 5 liftings and location to these screen 5 application of forces when the adjustment height, and can be adjusted to institute's palpus height according to user's needs, and need not fix screen 5 is fixed at adjusted height again, and is very easy to use.

Moreover this elastic component 15 is a volute spring, and it is with low cost, and the lifting effect is good, and whole cost is reduced, and has the market competitiveness.

Claims

1. screen jacking gear, its be in a column, be provided with one can axially movable pillar, the top of this pillar links a screen; It is characterized in that:

One end of described column has up an opening, one pole axially is installed in this column, the an end build-in one coiling elastic component of close this opening in this column, this pole is installed in the affixed sliding shoe of an end of this column, this sliding shoe is to endwisely slip in this column, and on the elastic component of the base abuts of this sliding shoe in this column.

2. screen jacking gear according to claim 1, an end that it is characterized in that the described relatively opening of described column is installed with a base plate, for an affixed base, one side of this column offers a groove, this groove is provided with two lugs at the end near this base plate, the inner face of this groove is embedded with a lateral plate, this lateral plate and each lug corresponding section are respectively equipped with an embedding hole, this lug is embedded in this embedding hole, this lateral plate has an embedding seat near an end of this stud openings, one end build-in of this elastic component is in this embedding seat, and the bottom of this sliding shoe has the portion that supports of an indent, and the portion that supports of this indent is resisted against on the interior elastic component of this column, and the opening corresponding position of this pole and this column is provided with a loam cake, this loam cake is to be covered on this opening, and fixes with screw.

3. screen jacking gear according to claim 1, it is characterized in that described elastic component is a volute spring by the steel disc coiling, this elastic component has a stiff end and a free end, this stiff end is fixed in described embedding seat, and this free end is to reel and this stiff end extension relatively towards this stiff end.

4. screen jacking gear according to claim 1 is characterized in that the top of described pillar has a pivotable pin joint seat, and this pin joint seat and this screen are connected.