CN101496679A

CN101496679A - Desk with adjustable height

Info

Publication number: CN101496679A
Application number: CNA2008100593961A
Authority: CN
Inventors: 马跃凌
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-31
Filing date: 2008-01-31
Publication date: 2009-08-05
Anticipated expiration: 2028-01-31
Also published as: CN101496679B

Abstract

The invention relates to a desk with function of height adjustment, which mainly comprises a desktop, desktop fixing seats, hinging seats, cross pipe parts, screw rods, adjusting handwheels, cross pipe fixing seats, foot pipe parts, foot sleeves and foot cushions, and is characterized in that the cross pipe parts are connected by the hinging seats; one end of each screw rod is fixed on the right hinging seat, while the other end passes through the left hinging seat to be in threaded connection with one adjusting handwheel; the upper ends of the cross pipe parts are hinged with the desktop fixing seats, while the lower ends are hinged with the cross pipe fixing seats; the desktop fixing seats are fixed under the desktop, and the cross pipe fixing seats are fixed on foot pipes; the desktop fixing seats, the hinging seats, the cross pipe parts, the screw rods, the adjusting handwheels and the cross pipe fixing seats form a miniature jack structure; and the lifting of the desktop is realized by adjusting the distance between the hinging seats by the adjusting handwheels. The desk is suitable to be used as a school desk on occasions such as households, schools, and the like.

Description

A kind of height-adjustable desk

Technical field

The invention belongs to field of furniture, relate to a kind of height-adjustable desk.

Technical background

An existing desk part is fixed, height of table top is unadjustable, this class desk is more firm, but height of table top can not be regulated according to the different demands of different people, particularly the classmate of same class of school because of the development condition difference, student's stature height is differed, if use the desk of same specification, to have a strong impact on part student's study, even grow; A part is that height of table top is adjustable in addition, the adjusting of height of table top all is to realize by stretching of table pin, this class desk is under the factor of considering cost, the prior art condition all can not finely solve the clearance issues in the table pin stretching structure, an easy like this body that causes in use rocks, and influences writing of people, and particularly the Telescopic Fixed common employing bullet pin or the buckle of table pin are locked, make the stability of desk poorer, the service life of desk is also short; When adjusting the height of desktop, certain a part of pin pipe of desk need be lifted the position that to regulate bullet pin or buckle and reach the purpose of adjusting desktop, this regulative mode is the primary grades child independent operation of having no idea not only, general exactly adult operates and requires great effort very much, particularly on desk, pile in books or the study article, the overall weight of desk makes the difficulty more that operates, and also causes the article on the desk to tumble into ground easily, influence study.

Summary of the invention

The technical problem that the present invention solves is at the good stability of existing desk but can not regulates height or can regulate height but poor stability, and use inconvenient, uneasy congruent weak point, a kind of pin overall fixed is provided, desktop is the desk simple in structure, easy to use, safe and reliable of lifting firmly, guarantee under firm durable prerequisite, to make child can both conveniently adjust height of table top.

The present invention mainly comprises desktop 1, desktop fixing 2, hinged seat 3, cross pipe parts 4, screw rod 5, adjusting handle 6, cross pipe holder 7, foot tube part spare 8, footmuff 9, foot pad 10, see Fig. 1, it is characterized in that the desktop lifting structure comprises two groups of cross pipe parts 4, see Fig. 2, cross pipe parts 4 comprise cross pipe 41 and cross pipe 42, see Fig. 4, and long slot bore 43 is preset at cross pipe 41 and cross pipe 42 middle parts, by rivet both are riveted together, rivet can slippage in long slot bore 43; Two groups of cross pipe parts 4 link together by hinged seat 3, and last hinged groove 31 on the hinged seat 3 and following hinged groove 32 are seen Fig. 5 by the dislocation design, and cross pipe parts 4 can not interfered with each other in motion process; Screw rod 5 one ends are fixed on the hinged seat 3 on the right, and the other end is threaded, and the hinged seat 3 that passes the left side links to each other with adjusting handle 6, control distance between the hinged seat 3 by adjusting handle 6; Cross pipe parts 4 upper ends link to each other with the hinged groove 21 of desktop fixing 2 by rivet, by bolt the wing dish 22 on the desktop fixing 2 are fixed under the desktop, see Fig. 6; The lower end of cross pipe parts 4 and cross pipe holder 7 are hinged, and cross pipe holder 7 is fixed on the foot tube part spare 8; Foot tube part spare comprises pin pipe 81 and crosspiece pipe 82, sees Fig. 7; Footmuff 9 is installed on pin pipe 81, by being threaded foot pad 10 is installed on footmuff 9, foot pad 10 can be finely tuned by screw thread, the flatness of control desktop.

By desktop fixing 2, hinged seat 3, cross pipe parts 4, screw rod 5, adjusting handle 6, cross pipe holder 7 has been formed miniature jack structure, see Fig. 3 (a), and this structure is further improved, on cross pipe parts 4, preset long slot bore 43, make desktop in lifting process, can be without the distance between distance between the conversion desktop fixing 2 and the cross pipe holder 7, and make the steady lifting of desktop, so not only make this mechanism reduce railroad, simplify the structure, reduced cost, and can be fixed on desktop fixing 2 under the desktop, cross pipe holder 7 is fixed on the foot tube part spare, strengthens the stability of table body; Pin pipe 81 adopts steel pipe to be welded into the integral body of rigidity simultaneously, and by two groups of crosspiece pipe 82 fixed supports, makes the stability of this desk better.

In the desktop elevation process, adjusting handle 6 turns clockwise, adjusting handle 6 extruding hinged seats 3 slippages under the guiding of screw thread, distance between the hinged seat 3 is diminished, see Fig. 3 (b), in the triangle that cross pipe parts 4 and screw rod 5 are formed, by the triangle principle as can be known, cross pipe parts 4 rotate, and its angle is diminished, in the triangle that causes being made up of cross pipe parts 4 and desktop 1, the diagonal angle diminishes, and opposite side distance is from remaining unchanged, this must make other both sides lengthening, makes hinge portion produce displacement, owing to preset long slot bore 43 at cross pipe parts 4, the displacement that can guarantee hinge portion is finished, in the angle of cross pipe parts 4 and screw rod 5 constantly diminishes process, the distance between screw rod 5 and the desktop 1 is increased, same principle, below one group of cross pipe parts 4 also cause the distance between screw rod 5 and the pin pipe 81 to increase, thereby realized the rising of desktop 1 height.Same principle is rotated counterclockwise the decline that adjusting handle 6 can be realized desktop 1 height.Because the present invention has adopted the adjusting device of the design of jack principle, and table body and load capacity are relatively limited, and therefore lower child may easily rotate the height that adjusting handle 6 is adjusted desktop.

Advantage of the present invention is to adopt integral rigidity pin pipe, under desktop lowering or hoisting gear is installed, and makes this desk stability good, durable in use, adopt the jack principle to regulate height of table top simultaneously, make the lifting that child can both the easy manipulation desktop, simple to operate, easy to use, safe and reliable.

Description of drawings

Fig. 1 is a schematic perspective view of the present invention;

Fig. 2 is a structure assembly drawing of the present invention;

Fig. 3 (a) is lifting device structure figure of the present invention;

(b) be desktop rising structure chart of the present invention;

Fig. 4 is cross pipe modular construction figure of the present invention;

Fig. 5 is a hinged seat structure chart of the present invention;

Fig. 6 is desktop anchor structure figure of the present invention;

Fig. 7 is a foot tube part spare structure chart of the present invention;

The specific embodiment

Below by embodiment, and in conjunction with the accompanying drawings technical scheme of the present invention is described further.

Embodiment:

Desktop 1 adopts timber or density board to process; Desktop fixing 2, hinged seat 3, adjusting handle 6, cross pipe holder 7, footmuff 9, foot pad 10 adopt injection molding; Cross pipe parts 4 adopt the cutting of metal pipe material Chinese olive, are stamped to form; Pin pipe 81 adopts metal pipe material to weld together, crosspiece pipe 82 adopts metal pipe material to weld together, pin pipe 81 adopts bolted to be in the same place with crosspiece pipe 82, and crosspiece pipe 82 both can strengthen the stability of a body, can be used as rack again and places article such as books, school bag and study article; Screw rod 5 Cao Yong are solid, and the round steel processing and fabricating forms.

The various embodiments relevant with the present invention are conspicuous for the professional who is engaged in the industry, and scope involved in the present invention is clear and definite in appended claim.

Claims

1. height-adjustable desk, mainly comprise desktop (1), desktop fixing (2), hinged seat (3), cross pipe parts (4), screw rod (5), adjusting handle (6), cross pipe holder (7), foot tube part spare (8), footmuff (9), foot pad (10), it is characterized in that cross pipe parts (4) comprise cross pipe (41) and cross pipe (42), cross pipe parts (4) connect by hinged seat (3), screw rod (5) one ends are fixed on the hinged seat (3) on the right, the hinged seat (3) that the other end passes the left side is threaded with adjusting handle (6), cross pipe parts (4) upper end is hinged with desktop fixing (2), and lower end and cross pipe holder 7 are hinged.

2. a kind of height-adjustable desk according to claim 1, it is characterized in that at the default long slot bore (43) of cross pipe (41) and cross pipe (42) middle part, both are hinged by rivet (44), and rivet (44) can slippage in long slot bore (43).

3. a kind of height-adjustable desk according to claim 1 is characterized in that the last hinged groove (31) and following hinged groove (32) the dislocation design of hinged seat (3), and cross pipe parts (4) are not disturbed in motion process mutually.

4. a kind of height-adjustable desk according to claim 1 is characterized in that having formed miniature jack structure by desktop fixing (2), hinged seat (3), cross pipe parts (4), screw rod (5), adjusting handle (6), cross pipe holder (7).

5. a kind of height-adjustable desk according to claim 4 is characterized in that controlling the relative position of cross pipe parts (4) by the threaded engagement of adjusting handle (6) with screw rod (5), and the torque axis of input is turned to desktop lifting power.

6. a kind of height-adjustable desk according to claim 4 is characterized in that desktop fixing (2) fixedlys connected with desktop (1); Cross pipe holder (7) is fixedlyed connected with pin pipe (81).