CN203801996U

CN203801996U - Adjustable desk

Info

Publication number: CN203801996U
Application number: CN201420234554.3U
Authority: CN
Inventors: 于辉; 李�赫; 白洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-05-08
Filing date: 2014-05-08
Publication date: 2014-09-03
Anticipated expiration: 2024-05-08

Abstract

Disclosed is an adjustable desk. A slider box is fixedly mounted on a drawer box, one end of a spring in the slider box is connected with the slider box in a pressing manner while the other end is connected with a slider in a pressing manner, the slider is slidably connected with the slider box, a pawl is fixedly connected on the slider, a handle is arranged at one end, outside the drawer box, of the pawl, one end of a desk board is hinged to the drawer box while the other end of the desk board is fixedly provided with a bar, and the pawl can be clamped with each ratchet on the bar movably. A set of scissors fork mechanism is arranged on each side below the drawer box, the upper end of each scissors fork mechanism is hinged to the drawer box, the lower end of each scissors fork mechanism is hinged to desk bases, fixing rods are arranged between the two sets of scissors fork mechanisms, two ends of each fixing rod are connected with corresponding scissors arms in the two sets of scissors fork mechanisms fixedly and respectively, a driving device used for driving each scissors fork mechanism to ascend and descend as well as extend and retract is arranged on each scissors fork mechanism, and a hanger and a cup holder are mounted on the drawer box. Through the mechanisms, the angle of the desktop and the height of the desk can be adjusted conveniently, and stepless adjustment within a limited adjusting range can be realized when the height of the desk is adjusted.

Description

Adjustable desk

Technical field

The utility model provides a kind of adjustable desk.

Technical background

Desk is articles for use indispensable in people's learning process, and people utilize desk to support reading, write, and conventional desk mostly is fixed in the market.People read a book for a long time on fixed desk, and its cervical vertebra, lumbar vertebrae are easily tired, unsuitable to the person, and if things go on like this people knows from experience generation various sufferers related to this, cannot meet people to healthy pursuit.On market, sell the adjustable desk that can regulate, the multiplex bolted of its governor motion, need the auxiliary adjustment of spanner or screwdriver, regulate inconvenient, and existing adjustable desk majority can only have level to regulate by the gear designing in the time adjusting height of table top, can not adjust according to people's self height situation, people are not high to the user satisfaction of this adjustable desk.

Summary of the invention

The purpose of this utility model is to provide a kind of adjustable desk, and this technology desk can easily be adjusted the angle of desktop and the height of desk, in the time adjusting the height of desk, can in the adjusting range limiting, can realize step-less adjustment.

The technical solution of the utility model is: adjustable desk, comprise drawer case and table, it is characterized in that: on drawer case, be fixed with gliding block box, spring and slide block are housed in gliding block box, one end of spring and gliding block box crimping, the other end of spring and slide block crimping, slide block and gliding block box are slidably connected, on slide block, be fixed with ratchet, ratchet one end outside drawer case is provided with handle, one end of table and drawer case are hinged, and the other end of table is fixed with sour jujube bar, described ratchet can be respectively with sour jujube bar on each ratchet activity clamping, both sides under drawer case are respectively provided with one group of scissors mechanism, the upper end of scissors mechanism and drawer case are hinged, the lower end of scissors mechanism is hinged with a pin, between two groups of scissors mechanisms, be provided with fixed bar, the two ends of fixed bar are connected with the arm of cutting corresponding in two groups of scissors mechanisms respectively, described scissors mechanism is provided with the drive unit for driving scissors mechanism lift telescopic, this drive unit has nut sleeve, screw rod is equipped with respectively at the two ends of nut sleeve, one end of two screw rods is threaded with nut sleeve, the other end of two screw rods respectively with scissors mechanism in the end of two adjacent groups telescopic unit hinged.

Hook and glass stand are housed on drawer case, and hook is connected with drawer case, and glass stand is connected with the bottom surface of drawer case by slideway, and glass stand is provided with a glass groove.

Promote handle Compress Spring, ratchet is separated with the ratchet on sour jujube bar, now, lift the table hinged with drawer case, make desktop tilt to applicable angle, unclamp handle, spring promotes slider displacement, makes ratchet firm with ratchet clamping corresponding on sour jujube bar; Rotating nut cover, can drive scissors mechanism lifting; The utility model has the advantages that: by said mechanism, make the desk of this technology can easily adjust tabletop angles and table height, and in the time adjusting table height, can in the adjusting range limiting, realize step-less adjustment.

Brief description of the drawings

Fig. 1 is the structural representation of the adjustable desk of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the use view of the adjustable desk of the utility model;

Fig. 4 is that the glass stand of the adjustable desk of the utility model uses view.

1 table in figure, 2 ratchets, 3 slide blocks, 4 gliding block box, 5 springs, 6 sour jujube bars, 7 jointed shafts, 8 drawer casees, 9 slideways, 10 glass stands, 11 hooks, 12 scissors mechanisms, 13 screw rods, 14 nut sleeve, 15 pin, 16 handles, 17 fixed bars.

Detailed description of the invention

Adjustable desk, comprises drawer case 8 and table 1, and table is wood composite board, and table body drawer case is welded by square steel tube and sheet metal; On drawer case, be fixedly mounted with gliding block box 4, spring 5 and slide block 3 are housed in gliding block box, one end of spring and gliding block box crimping, the other end of spring and slide block crimping, slide block and gliding block box are slidably connected, on slide block, be fixed with ratchet 2, ratchet one end outside drawer case is provided with handle 16, one end of table and drawer case are hinged, and the other end of table is fixed with sour jujube bar 6, have several ratchets on sour jujube bar, described ratchet can be respectively with sour jujube bar on each ratchet activity clamping, the ratchet of sour jujube bar is semicircle, and ratchet is cylindrical, and ratchet is corresponding with ratchet.

Promote handle Compress Spring, slide block drives ratchet, ratchet is separated, as shown in drawings with the ratchet of sour jujube bar, ratchet can slide along the closed arc slideway 9 on sour jujube bar, lift table rotation as the center of circle taking table and drawer case jointed shaft 7, adjust the angle of inclination of desktop to being applicable to position, unclamp handle, under the thrust of spring, slide block drives ratchet displacement, and ratchet is embedded in the ratchet on sour jujube bar, realizes self-locking.

On table, also can be provided with anti-skid rubber cushion, and in one end corresponding with tables and chairs, protruding edge is set, in the time that desktop tilts to use, can stop the books landing on table like this.

Both sides under drawer case are respectively provided with one group of scissors mechanism 12, scissors mechanism is made up of some groups of telescopic units, the arm of cutting that every group of telescopic unit is connected together by two center hinges forms, the end of relatively cutting arm in neighbouring telescopic unit is hinged, the upper end of scissors mechanism cut arm and drawer case is hinged, the arm of cutting of the lower end of scissors mechanism is hinged with a pin 15, between two groups of scissors mechanisms, be provided with fixed bar 17, the two ends of fixed bar are connected with the arm of cutting corresponding in two groups of scissors mechanisms respectively, described scissors mechanism is provided with the drive unit for driving scissors mechanism lift telescopic, this drive unit has nut sleeve 14, screw rod 13 is equipped with respectively at the two ends of nut sleeve, one end of two screw rods is threaded with nut sleeve, the other end of two screw rods respectively with scissors mechanism in the end of two adjacent groups telescopic unit hinged.Described nut sleeve and two screw rods have formed one group of screw mechanism, this screw mechanism is as the drive unit that drives scissors mechanism lift telescopic, the internal thread at nut sleeve two ends is respectively left-right rotary screw thread, screw flight rotation direction is corresponding with nut, ensure rotating nut when cover, screw rod outwards or move inward simultaneously.When turn nut sleeve, make two screw rods produce translation, be about to rotatablely move and change left and right translational motion into, the outer end of two screw rods respectively with scissors mechanism in the end of two adjacent groups telescopic unit hinged, screw rod can two groups of telescopic units of push-and-pull in the time of translation hinged end, make scissors mechanism carry out lift telescopic, simultaneously screw rod is also as the support bar of scissors mechanism.

Hook 11 and glass stand 10 are housed on drawer case, and hook is connected with drawer case, carry-on satchel can be hung over to hook upper, and specification laying for goods, avoids touching down carelessly; Glass stand is connected with the bottom surface of drawer case by slideway, and glass stand is provided with a glass groove, when use, glass stand is extracted out from table, water tumbler is positioned in the cup groove of glass stand, avoid water to splash on books, at the bottom of the used time do not push back glass stand, the commercially available prod that described slideway is prior art.

The adjustable desk of the utility model in use, according to student's demand, with hand rotating nut cover, the screw rod that makes two ends outwards or move inward, drive scissors mechanism lifting, thereby change the distance on desktop and ground, can in the adjusting range limiting, realize the stepless adjustment of table height, meet different height students' needs; In the time adjusting tabletop angles, promote handle, realize the clutch of ratchet on ratchet and sour jujube bar, then lift table, the inclination that makes table produce certain angle, meets the demand of student to textbook reading, drawing and writing; When writing while painting vertical scroll of painting or calligraphy works, also can utilize the difference in height of both sides scissors mechanism under drawer case, make table produce lateral tilt, expand the range of application of this desk, through student's probationary certificate, use the adjustable desk of this technology, greatly alleviate the fatigue of student cervical vertebra, lumbar vertebrae and eyes in the time of study, the hook and the drinking cup holder that arrange also facilitate student to use, and are subject to the consistent favorable comment of students on probation.

Claims

1. adjustable desk, comprise drawer case and table, it is characterized in that: on drawer case, be fixed with gliding block box, spring and slide block are housed in gliding block box, one end of spring and gliding block box crimping, the other end of spring and slide block crimping, slide block and gliding block box are slidably connected, and are fixed with ratchet on slide block, ratchet one end outside drawer case is provided with handle, one end of table and drawer case are hinged, and the other end of table is fixed with sour jujube bar, described ratchet can be respectively with sour jujube bar on each ratchet activity clamping, both sides under drawer case are respectively provided with one group of scissors mechanism, the upper end of scissors mechanism and drawer case are hinged, the lower end of scissors mechanism is hinged with a pin, between two groups of scissors mechanisms, be provided with fixed bar, the two ends of fixed bar are connected with the arm of cutting corresponding in two groups of scissors mechanisms respectively, described scissors mechanism is provided with the drive unit for driving scissors mechanism lift telescopic, this drive unit has nut sleeve, screw rod is equipped with respectively at the two ends of nut sleeve, one end of two screw rods is threaded with nut sleeve, the other end of two screw rods respectively with scissors mechanism in the end of two adjacent groups telescopic unit hinged.

2. adjustable desk according to claim 1, is characterized in that: hook and glass stand are housed on drawer case, and hook is connected with drawer case, and glass stand is connected with the bottom surface of drawer case by slideway, and glass stand is provided with a glass groove.