CN2189866Y

CN2189866Y - Collapsible drawing table

Info

Publication number: CN2189866Y
Application number: CN 93221151
Authority: CN
Inventors: 张生贤
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-08-06
Filing date: 1993-08-06
Publication date: 1995-02-22
Anticipated expiration: 2003-08-06

Abstract

The utility model relates to a foldable drawing table. The collapsible drawing table adopts a supporting rack of an ordinary foldable table. A push rod is riveted on the supporting rack and is marked with a toothed groove. An active table top is connected with the push rod by a hinge. The back side of the active table top is connected with a U-shaped angle regulating supporting rod and a ruler translation device by a hinged seat. The ruler translation device is composed of four fixed pulleys and an inversely tensioned pulling rope. The active table top is provided with a ruler and a pen groove on the front side. The utility model has the advantages that the utility model can be easily folded and opened, and the angle of active table top can be optionally regulated, and has the advantages of light weight, portability, drawing comfort, salubriousness, simple, compact and reasonable structure, and low cost, being suitable for drawing inside and outside for various industries.

Description

Collapsible drawing table

The utility model relates to drawing appliance, and particularly a kind of folding drawing table is applicable to every profession and trade personnel drawing and field mapping.

Every profession and trade drawing personnel adopt the ordinary flat drawing at present, for human body comfortable, brick commonly used or other things support to certain gradient with chart board and alleviate the sensation that draw when the long neck, waist, the vertebra that produce are ached, but because the poor stability of chart board and can influence the quality of drawing, field mapping simultaneously is just particularly inconvenient, though occurred the guide rail drafting machine recently, plate face angle adjustable, but because the price height, weight is big, be difficult to popularize, also can't be used for open-air mapping.

The purpose of this utility model provides a kind of drawback that both can overcome common chart board, have again high-quality and efficient drawing function, inexpensive, light, applicability is strong, the folding drawing table of being convenient to promote, popularizing.

The concrete scheme that realizes the utility model purpose is: adopt the bracing frame of common folding table, rivet push rod on bracing frame, be carved with teeth groove on the push rod, active desktop is connected with push rod with hinge; The active desktop back side has by free bearing connected Shape angle modulation strut and ruler translating device, the ruler translating device is made up of the pull rope of four fixed pulleys and oppositely tensioning, and there are a ruler and a groove in the front, and active desktop can wrap page or leaf and rotate.

The utility model is amounted to and opened conveniently, and is in light weight, is easy to carry, and desktop can arbitrarily be adjusted angle, and it is comfortable, healthy, simple in structure to draw, compact and reasonable, and price is low, is fit to the every profession and trade indoor and outdoor and draws.

In the accompanying drawing, the front view when Fig. 1 is the utility model unlatching;

Side view when Fig. 2 is the utility model unlatching;

Fig. 3 is the front view of the utility model when amounting to;

Fig. 4 is the side view of the utility model when amounting to.

In the accompanying drawing: 1,2, the 4-hack lever, 3,5, the 7-rivet, the 6-limiting iron, the 8-ironware, 9-push rod, 10-hinge, 11-angle modulation strut, 12-free bearing, 13-active desktop, the 14-ruler, 15-fixed pulley, 16-pull rope, 17-groove, the 18-bracing frame, 19-teeth groove, 20-ruler translating device.

Hack lever 1 is connected with hack lever 2 usefulness rivets 3, hack lever 4 is connected with hack lever 2 usefulness rivets 5, welded limiting iron 6 on the hack lever 4, hack lever 1 is riveted with hack lever 4 usefulness rivets 7 and the ironware 8 that is fixed on the push rod 9, is turning hinge with the rivet junction, on the bar 4 of trying to stop people from fighting each other, bracing frame 18 will be amounted to, hack lever 4 can be done and move handle, presses down hack lever 4 bracing frames 18 and will strut push rod 9 horizontal; Active desktop 13 usefulness hinges 10 are connected with bracing frame 18, and it can wrap page or leaf 10 and freely rotate; The shape angle modulation strut 11 that is connected with active desktop 13 by free bearing 12 is arranged at the back side of active desktop 13, it is curved by reinforcing bar, and can freely rotate around free bearing 12, angle modulation strut 11 terminations are placed teeth groove 19 diverse locations on the push rod 9, active desktop 13 has different angle; Draw ruler 14 at the back side of active desktop 13 by the pull rope 16 of four fixed pulleys 5 and reverse tensioning and do parallel up and down moving; Groove 17 is provided with for placing various pens.

Claims

1, a kind of by bracing frame (18), active desktop (13), the folding drawing table that angle modulation strut (11) and ruler translating device (20) are formed, it is characterized in that the last riveted joint of bracing frame (18) has push rod (9), active desktop (13) is connected with push rod (9) with hinge (10), and push rod (9) is carved with teeth groove (19).

2, drawing table according to claim 1 is characterized in that active desktop (13) back side has to be connected with active desktop (13) by free bearing (12)

Shape angle modulation strut (11) and ruler translating device (20), front have a ruler (14) and a groove (17).

3, drawing table according to claim 2 is characterized in that described ruler translating device (20) is made up of the pull rope (16) of four fixed pulleys (15) and oppositely tensioning.

4, drawing table according to claim 1 is characterized in that bracing frame (18) can amount to, and active desktop (13) can wrap page or leaf (10) and rotate.