CN2445636Y

CN2445636Y - Writing desk with adjustable height of table top and slope and with elastic castor

Info

Publication number: CN2445636Y
Application number: CN 99254794
Authority: CN
Inventors: 齐怀龙
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-12-09
Filing date: 1999-12-09
Publication date: 2001-09-05
Anticipated expiration: 2009-12-09

Abstract

The utility model relates to a writing desk with an adjustable height of a table top, an adjustable slope, and telescopic castors. A tilting table top device which is composed of a support frame and an adjusting toothed plate is arranged in a table top plate, wherein, the adjusting toothed plate is provided with a boss. A set of an elevation system and a pair of E-shaped frames of telescopic castors are arranged on a framework of table legs, wherein, the set of an elevation system is composed of a rocking rod, gears, chains, a screw rod, a support frame, and a groove-shaped plate. A general rocking handle adjusts not only the slope of a table top through an adjusting hole (1) but also the height of the desk top and the telescopic motion of the castors through an adjusting hole (2). After the castors are extended to touch the ground, a table body is hung up so that the table body can move flexibly. The desk has the advantages of adjustment at any time, comfortable and safe use, stable placement, and suitability for alternate use by people of different heights.

Description

The writing desk of the flexible castor of adjustable height of table top and gradient band

The utility model relates to a kind of desk, the writing desk of particularly adjustable height of table top and the flexible castor of oblique belt.

In the prior art, adjustable writing desk is existing multiple, though solved the adjusting problem of height of table top and declining slope, but still the part that comes with some shortcomings.As the writing desk that provides among patent ZL95211099.7 and the patent ZL96236599.8, inconvenience is adjusted at any time, is not suitable for people and is used alternatingly.The desk that provides in the ZL95241598.4 patent and for example is by the castor support of contacting to earth, though solved the nimble problem of mobile needs, but be difficult to stable situation in having occurred placing, in case of uneven ground is arranged slightly, just desk is difficult for being put on the accurate position, or meet collision slightly, desk just can move.

The purpose of this utility model is to provide a kind of easy to adjust, the function practicality, and sound construction uses comfortablely, moves nimblely, places stablely, is suitable for that the people of different heights is used alternatingly, and is specially adapted to the writing desk of family.

The purpose of this utility model is to realize like this.See that (this figure is a desk internal structure rear perspective view to Fig. 2, and for ease of observing, the spy has improved one section drafting with the desktop position, and desktop is connected together with trough plate (8) in the reality.) a cover jacking system (visible Fig. 3) is installed on the framework of table leg, the desktop stage casing is made as two-layer up and down, and the upper strata expansible tilts, and tilting gearing (5) is installed in the space (6) of table two plate frameworks.In the framework (4) of table leg, a mountain font castor expansion bracket (7) is installed, be used for moving the table body.Said apparatus all is in the body box, and outward appearance only manifests two rising-falling tone knothole (Fig. 1 (2)) and tilt adjustment hole (among Fig. 1 (1)) of being used for inserting general rocking handle.

The utility model adopts the stepless lift adjustment of leading screw, and Stability Analysis of Structures is safe and reliable.Child's jacking system range of application is wider, can be used for the desk of multiple profile and the job platform of the limited lifting of needs.Tilting gearing is simple in structure, and is safe and reliable, regulates quick.Flexible castor modern design, structure is firm, and having solved desk had both needed placement stable, can move contradiction flexibly again.The utility model compared with prior art has wide accommodation, and function is more complete, and is easy to adjust, quick, is particularly suitable for the advantage that the people of different heights is used alternatingly.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 3 is the jacking system principle schematic, and it is by rocking handle (11), rocking bar (12), pinion (13), double-layer gear (14) (seeing (14) among Fig. 4), individual layer gear (15), short chain (16), reel chain (17), leading screw (18), feed screw nut (19) (seeing (19) among Fig. 4), the strut of drawing money on credit (20), short support bar (21), support wheel (22), carrier base (23), trough plate (8), screw axostylus axostyle (25) is formed.Pinion (13) is fixed in rocking bar (12) rear end, and rocking bar passes from table leg (24).Double-layer gear (14) and individual layer gear (15) are individually fixed in leading screw rear end separately, gear (13) (14) (15) is connected by chain (16) (17), there is screw (seeing (31) among Fig. 4) the feed screw nut both sides, draw money on credit strut (20) two ends and middle equidistant axis hole arranged, its lower end and feed screw nut, support wheel is in the lump by lead screw (seeing (31) among Fig. 4), live point in conjunction with (seeing (32) among Fig. 4), support wheel (22) is in its outside, its intermediate shaft hole is corresponding with short support bar (21) upper end axis hole, pass the some combination of living by screw axostylus axostyle (25), its upper end axis hole is gone up corresponding axis hole (26) point alive with trough plate (8) and is combined.On the alive some cant board (27) that is connected on the carrier base (23) in short support bar (21) lower end.Leading screw (18) two ends are axle, are through in the axis hole on the positive risers in carrier base two ends (28) (29), are parallel to carrier base (23) bottom surface, and riser (27) (28) (29) is all perpendicular to the carrier base bottom surface.The axis of leading screw axial line and feed screw nut (19) the hole heart.The intersect vertical axis of cant board (27) the hole heart.Long and short support bar on the same leading screw is corresponding parallel mutually.The hole of the axis hole on long and short support bar distance in the heart equates.Single, double layer gear (15) (14) is all in the outside of positive riser (29).Be useful on the screw hole (30) that connects desktop above the trough plate.

The operation principle of lowering or hoisting gear is: rotation rocking handle (11), by rocking bar (12), pinion (13), the transmission of chain (16) (17), leading screw (18) on double-layer gear (14) and the individual layer gear (15) is rotated simultaneously, feed screw nut (19) produces displacement in the same way under the promotion of leading screw, cause the strut of drawing money on credit (20) translation-angle and height in the rolling of support of lacking support bar (21) and support wheel (22), thereby make trough plate (8) produce level, vertical displacement movement stably, reach the purpose of regulating height of table top.

Fig. 5 is the backsight structural perspective of table two plates, and its figure is the state of desktop stage casing top plate (33) when opening.Carriage (34) with hinge (35) be connected in open desktop (33) below, its lower end, frame both sides is equipped with support wheel (36), desktop (9), link to each other with hinge (37) with open desktop (33), there is a space greater than carriage (6) in its stage casing, and have support wheel to conceal into groove (38), see Fig. 6.Regulating above the tooth plate (5) is zigzag, and following demifacet is a semi-cylindrical, and there is an arc column shape boss its rear end, see Fig. 7, regulate the rear portion that tooth plate (5) is fixed in adjusting rod (39), adjusting rod (39) is through in the axis hole of table, and front end is exposed in the table surface adjustment hole (among Fig. 1 (1)).Open when opening desktop, use general rocking handle, by adjustment hole will this moment towards the sawtooth half-twist of following direction to the side, rocking handle is continued half-twist more promptly by boss jack-up in desktop (33) rear end after the pulling, make open desktop be parked in required angle and get final product.When setting level desktop, hold desktop (33), desktop is placed on the boss of regulating tooth plate (5) after 90 ° of the rocking handle revolutions again, again rocking handle is turned back to initial position after loosing one's grip, support wheel then conceals in the groove automatically, and desktop is set level.

Fig. 8 is flexible castor framework map, and (40) are the springs of main support rod upper end, see Fig. 9.(41) be main support rod, the lower end is connected on the horizontal pressure-bearing bar (42), and horizontal pressure-bearing bar two ends are connected on the auxiliary rod (43), forms a mountain font framework, and castor (44) is installed on the two ends of horizontal pressure-bearing bar (42).Main support rod passes table leg stull (45) (46) and carrier base base plate (23).Auxiliary rod (43) passes table leg stull (45).During mobile desk, desktop is transferred to extreme lower position, make trough plate (8) press down main support rod, castor is landed, hanged a table body.When placing desk, desktop is raise, main support rod with the castor pull-up, breaks away from ground under the lifting of spring, and table leg lands.Reach and place purpose stably.

Claims

1, the writing desk of the flexible castor of a kind of adjustable height of table top and gradient band, it comprises desktop and table leg, it is characterized in that, the desktop stage casing is made as two-layer, in the device of inclination table is arranged, top plate (33) but Zhang Qi, carriage (34) with hinge (35) be connected in top plate (33) below, its frame (34) lower end, both sides is equipped with support wheel (36), desktop (9) is linked to each other by hinge (37) with top plate (33), there is a space greater than carriage (6) in its stage casing, and there is support wheel to conceal into groove (38), regulating above the tooth plate (5) is zigzag, be semi-cylindrical below, there is an arc column shape boss its rear end, regulate the rear portion that tooth plate (5) is fixed in adjusting rod (39), adjusting rod (39) is through in the axis hole of desktop, front end is exposed to table surface adjustment hole (1), desktop links to each other with trough plate (8), pinion (13) is fixed in rocking bar (12) rear end, rocking bar passes from table leg (24), double-layer gear (14) and individual layer gear (15) are individually fixed in leading screw rear end separately, gear (13) (14) (15) is connected by chain (16) (17), there is screw (31) the feed screw nut both sides, draw money on credit strut (20) two ends and middle equidistant axis hole arranged, its lower end and feed screw nut (19), support wheel (22) is in the lump by the combination of lead screw (31) point alive, support wheel (22) is in its outside, its intermediate shaft hole is corresponding with short support bar (21) upper end axis hole, pass the some combination of living by screw axostylus axostyle (25), its upper end axis hole is gone up corresponding axis hole (26) point alive with trough plate (8) and is combined, on the alive some cant board (27) that is connected on the carrier base (23) in short support bar (21) lower end, leading screw (18) two ends are axle, be through in the axis hole on the positive risers in carrier base two ends (28) (29), be parallel to support seat board bottom surface, riser (27) (28) (29) is all perpendicular to the carrier base bottom surface, the axis of leading screw axial line and feed screw nut (19) the hole heart, and the intersect vertical axis of the edge-on plate hole heart, single, double-layer gear (15) (14), all in the outside of positive riser (29), one mountain font foot wheel carrier is arranged in the table leg framework, there is a spring main support rod (41) upper end, lower end and horizontal pressure-bearing bar (42) auxiliary rod (43) are connected as a single entity, castor (44) is loaded on the two ends of horizontal pressure-bearing bar (42), main support rod passes table leg stull (45) (46) and carrier base base plate (23), and auxiliary rod (43) passes table leg stull (45).

2, want 1 described writing desk according to right, it is characterized in that the long and short support bar (20) (21) on the same leading screw is corresponding parallel mutually.

3, writing desk according to claim 1 is characterized in that the axis hole on the length support bar (20) (21), and its hole distance in the heart equates.

4, writing desk according to claim 1, when it is characterized in that desktop is in extreme lower position, castor contacts to earth, and the table body hangs.