CN209268918U - A kind of adjustable desk of desktop - Google Patents

Abstract

The utility model discloses a kind of adjustable desk of desktop, and drawer two sides are respectively equipped with the first fixed plate, and the first fixed plate is respectively articulated with T-shaped the first connecting plate and the second connecting plate；Table leg is fixed with the second fixed plate, and the second fixed plate offers the first arcuate socket, respectively corresponds at the top of the first arcuate socket front and back ends and is provided with forward and backward bayonet, and positioning column is equipped on the inside of the second fixed plate；Second connecting plate and the second fixed plate are hinged, and the second connecting plate bottom end is hinged with pneumatic buffer, and pneumatic buffer bottom end is articulated with the second fixed plate；It further include the locking device for being movably connected on the first arcuate socket；Second connecting plate offers the first through hole passed through suitable for locking device;When in a horizontal state in drawer, the first connecting plate connects with positioning column, and locking device passes through first through hole and is connected in rear bayonet；When drawer is in forward-lean state, locking device passes through first through hole and is connected in preceding bayonet.Desktop rear end is articulated with the first fixed plate, and desktop can be with respect to drawer hypsokinesis.

Description

A kind of adjustable desk of desktop

Technical field

The utility model relates to desk technical field, in particular to a kind of adjustable desk of desktop.

Background technique

Desk and seat are more and more more paid close attention to as the teaching facilities of school's indispensability, more multi-functional, more easypro Suitable desk, seat more help to improve the learning efficiency of student.Currently, most of desk be all by desktop, table leg and Drawer composition, desktop are fixed on table leg, and the chair back of desktop not tiltable, seat is fixed.In some schools, students are only It can lie prone and carry out lunch break on desk, head is pressing against arm, brings many discomforts to body in this way, the time, which has been grown, often will appear Arm is numb, neck is sour swollen and has a pain in the back, and especially the excessively high or too short student of height, immoderation are more serious；In order to full The comfort level of the different student's study of sufficient height, allowing has a good posture when students lunch break, increase lunch break comfort, have very much Necessity designs a kind of desk that can increase afternoon nap comfort level.If the desk that a desktop can lean forward can be provided, cooperate front Seat provides comfortable lunch break environment.In addition, desktop is in level, it is not adjustable, this is unfavorable for students high efficiency, Gao Shu The writing operation of adaptive.

As it can be seen that the prior art could be improved and improve.

Utility model content

Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of adjustable classes of desktop Table, unique structure is reliable and stable, practical and convenient, it is intended to the desktop that solves desk in the prior art can not achieve lean forward, hypsokinesis Technical problem.

In order to achieve the above object, the utility model takes following technical scheme:

A kind of adjustable desk of desktop, including desktop, drawer and two table legs, the desktop is set to drawer top, described The two sides of drawer are respectively equipped with the first fixed plate, and first fixed plate is respectively articulated with T-shaped the first connecting plate and second Before the hinge joint of connecting plate, the first connecting plate and the first fixed plate is located at the second connecting plate and the hinge joint of the first fixed plate Side；The table leg is fixedly connected with the second fixed plate, and the second fixed plate offers the first arcuate socket, the first arcuate socket front end, It is respectively corresponded at the top of rear end and is provided with preceding bayonet, rear bayonet, the second fixed plate is equipped with to be located at below the first arcuate socket in inside determines Position column；Second connecting plate and the second fixed plate are hinged, and the bottom end of the second connecting plate is hinged with pneumatic buffer, the air pressure The bottom end of buffer is articulated with the second fixed plate；It further include the locking device for being movably connected on the first arcuate socket；Described second connects Fishplate bar offers the first through hole passed through suitable for locking device;It is when in a horizontal state in drawer, first connecting plate and fixed Position column connects, and the locking device passes through first through hole and is connected in rear bayonet；When drawer is in forward-lean state, the lock Tight device passes through first through hole and is connected in preceding bayonet.

In the adjustable desk of the desktop, the locking device includes the shaft with handle, elastic component, Mobile base and band The fixing seat of groove；The outer peripheral surface of the shaft is integrally formed with arc block；The Mobile base is set in groove and relatively fixed Seat sliding, the outside of Mobile base are equipped with fastener, and the fastener is movably connected on the first arcuate socket, and the inside of Mobile base is equipped with U-shaped Slot, the both ends of the elastic component are connected to U-lag and shaft respectively, and Mobile base offers the second through-hole passed through suitable for shaft； The shaft drives arc block to contact with the second through-hole and pushes Mobile base toward elastic component by Mobile base active force in rotation Direction is mobile, while fastener is moved to the first arcuate socket from preceding bayonet or rear bayonet；Second connecting plate and the second fixed plate The first circular hole, the second circular hole are offered respectively, and shaft sequentially passes through the second through-hole, the first circular hole and the second circular hole, to form Two connecting plates and the second fixed plate are hinged；The fixing seat is fixed on the second connecting plate.

In the adjustable desk of the desktop, the elastic component includes pressure spring and T-piece；The T-piece is by briquetting and circle Cylinder integrated moldingization, pressure spring one end are inserted in cylindrical body and are abutted with briquetting, and the pressure spring other end is connected to U-lag, and briquetting abuts In shaft.

In the adjustable desk of the desktop, the lateral surface of the table leg is fixed with protection cap；Second fixed plate with Protection cap is fixedly connected.

In the adjustable desk of the desktop, hook is provided on the outside of the protection cap.

In the adjustable desk of the desktop, the two sides of the bottom rear of the desktop are respectively fixed with rotating member, described Rotating member is articulated on the outside of the rear end of the first fixed plate, is connected to the bottom of the table in desktop drawer top when in a horizontal state； The two sides of the front side bottom of the desktop are respectively fixed with locating part, and the locating part offers the second arcuate socket；Described first The front end outer side of fixed plate is threaded with adjusting screw, and the adjusting screw runs through the second arcuate socket, is in when adjusting screw When tightening state locating part because its two sides be connected to respectively the first fixed plate and adjust screw due to stablize it is motionless.

In the adjustable desk of the desktop, U-shaped bar is fixedly connected between two table legs, the U-shaped bar is set to The front side of table leg, U-shaped bar are provided with two pedals.

In the adjustable desk of the desktop, the table leg bottom is fixed with support plate, and support plate and table leg form T Shape；The both ends bottom of the support plate is respectively arranged with vacuum chuck or rubber mat.

In the adjustable desk of the desktop, the pedal can be rotated around U-shaped bar.

In the adjustable desk of the desktop, the table leg includes mobile bar and loop bar；The mobile bar is fixed with second Plate is fixedly connected, and mobile bar is arranged in loop bar and opposite loop bar slides up and down；The medial surface of the loop bar is opened up along short transverse There are multiple card holes, the inside of mobile bar is equipped with the flexible clamp piece for being adapted to pass through card hole.

The utility model has the advantages that

The utility model provides a kind of adjustable desk of desktop, and unique structure is reliable and stable, practical and convenient.By right The elastic operation of screw precession row is adjusted, the angle of desktop hypsokinesis is adjusted, convenient for students in the table for keeping preferable hypsokinesis angle It is write on plate.A locking device is arranged in the desk, rotates operation to the handle of locking device, then by drawer, desktop Horizontality be converted to forward-lean state, to cooperate the seat of front, provide relatively comfortable lunch break condition；In addition, according to people's The height of desk can be adjusted in demand.

Detailed description of the invention

Fig. 1 is the structural perspective of the adjustable desk of desktop provided by the utility model.

Fig. 2 is structural schematic diagram of the adjustable desk of desktop provided by the utility model in desktop horizontality.

Fig. 3 is structural schematic diagram of the adjustable desk of desktop provided by the utility model in desktop forward-lean state.

Fig. 4 is the structure connection figure of the first fixed plate and the second fixed plate that Fig. 3 is provided.

Fig. 5 is the structure connection figure of the first fixed plate and the second fixed plate that Fig. 2 is provided.

Fig. 6 is the structural schematic diagram one for the locking device that Fig. 4 is provided.

Fig. 7 is the structural schematic diagram two for the locking device that Fig. 4 is provided.

Fig. 8 is the working principle diagram of locking device in the adjustable desk of desktop provided by the utility model.

Fig. 9 is structural schematic diagram of the adjustable desk of desktop provided by the utility model in desktop retroverted state.

Figure 10 is the working state figure that the adjustable desk of desktop provided by the utility model and seat cooperate.

Specific embodiment

The utility model provides a kind of adjustable desk of desktop, to make the purpose of this utility model, technical solution and effect It is clearer, clear, the utility model is further described as follows in conjunction with drawings and embodiments.It should be appreciated that herein Described specific embodiment only to explain the utility model, is not used to limit the utility model.

Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 are please referred to, the utility model provides a kind of adjustable desk of desktop, packet Desktop 1, drawer 2 and two table legs 3 are included, desktop 1 is set to 2 top of drawer, and the two sides of drawer 2 are respectively equipped with the first fixed plate 41, First fixed plate is in inverted L-shaped, is bolted or welds with drawer, and the first fixed plate 41 is respectively articulated with the first T-shaped connection It is solid that the hinge joint of plate 45 and the second connecting plate 42, the first connecting plate 45 and the first fixed plate 41 is located at the second connecting plate 42 and first The front side of the hinge joint of fixed board 41, two hinge joints are symmetrical about the first fixed plate vertical centerline；Table leg 3 is fixedly connected with Second fixed plate 43, the second fixed plate are bolted with table leg, and the second fixed plate 43 offers the first arcuate socket 431, first It is respectively corresponded at the top of 431 front end of arcuate socket, rear end and is provided with preceding bayonet 432, rear bayonet 433, the second fixed plate 43 is equipped in inside Positioning column 46 positioned at 431 lower section of the first arcuate socket；Second connecting plate 42 and the second fixed plate 43 are hinged, so that the second connecting plate It can be rotated around with the hinge joint of the second fixed plate, the bottom end of the second connecting plate 42 is hinged with pneumatic buffer 44, and air pressure is slow The bottom end for rushing device 44 is articulated with the second fixed plate 43；It further include the locking device 5 for being movably connected on the first arcuate socket 431；Second Connecting plate 42 offers the first through hole 421 passed through suitable for locking device 5.The hinge joint of second connecting plate and the second fixed plate It is the center of circle of the first arcuate socket.During adjusting desktop, pneumatic buffer plays preferable buffer function, so that adjustment is more Steadily.

As shown in Figure 5, Figure 7, when in a horizontal state in drawer 2, the first connecting plate 45 connects with positioning column 46, and locks Tight device 5 passes through first through hole 421 and is connected in rear bayonet 433；The support force of the first connecting plate, fixed plate are passed through in positioning column For bayonet under the fixed point effect of the second connecting plate, desktop can keep stable, horizontal state afterwards.As shown in Fig. 4, Fig. 7, in drawer 2 be in forward-lean state when, locking device 5 pass through first through hole 421 be connected in front of bayonet 432.

Specifically, as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, locking device 5 includes the shaft 51 with handle 511, elasticity Part 52, Mobile base 53 and the fixing seat 55 with groove 552；The outer peripheral surface of shaft 51 is integrally formed with arc block 512；Mobile base 53 In groove 552 and relatively fixed seat 55 slides, and the outside of Mobile base 53 is equipped with fastener 56, and fastener 56 is movably connected on first The inside of arcuate socket 431, Mobile base 53 is equipped with U-lag 54, and the both ends of elastic component 52 are connected to U-lag 54 and shaft 51 respectively, Mobile base 53 offers the second through-hole 531 passed through suitable for shaft 51, and the size of the second through-hole is sufficient to accommodate shaft 51 and thereon Arc block 512；Shaft 51 drives arc block 512 to contact with the second through-hole 531 and pushes Mobile base 53 toward elasticity in rotation Part 52 is mobile by the direction of 53 active force of Mobile base, while fastener 56 is moved to the first arc from preceding bayonet 432 or rear bayonet 433 Hole 431；Second connecting plate 42 and the second fixed plate 43 offer the first circular hole 422, the second circular hole 434 respectively, and shaft 51 is successively Across the second through-hole 531, the first circular hole 422 and the second circular hole 434, hinge bar is served as with shaft 51, forms the second connecting plate 42 It is hinged with the second fixed plate 43；Fixing seat 55 is fixed on the second connecting plate 42 by screw 423, it is preferable that positioning column is provided with fixed Circle of position hole, allows shaft may pass through.Preferably, fastener is cylinder, and fastener offers card slot along its outer peripheral surface, so that Card slot can be clamped with the first arcuate socket, preceding bayonet, rear bayonet.

Refering to Fig. 6, Fig. 8, fixing seat correspondence offers third circular hole 551, when assembling the locking device, will with handle, The shaft of arc block sequentially passes through third circular hole, the second through-hole 531, allows arc block as in the second through-hole, while making elasticity Part contacts with each other with shaft.Shaft is then passed through to the first circular hole 422 of the second connecting plate, and by the second connecting plate and fixing seat It is fixedly connected.In shaft rotation, arc block is rotated with it, and Mobile base is pushed to overcome elastic component to its active force along fixation The two sides inner wall linear movement of seat, so that fastener is moved to the first arcuate socket from the position of preceding bayonet or rear bayonet, it this moment, can Desktop to be switched between forward-lean state and horizontality.And when rotating backward shaft, Mobile base is losing arc block pair After its motive force, only by elastic component in the case where its active force, reversed linear movement occurs for Mobile base, can make card Part is moved to preceding bayonet or rear bayonet position by the first arc hole site, when fastener is located at preceding bayonet and rear bayonet, then cannot Switching the leaning forward of desktop, horizontality.That is, the locking device plays control action, the position of fastener is controlled, so that table Plate will not be tilted arbitrarily.

Specifically, as shown in Figure 6, Figure 7, elastic component 52 includes pressure spring 522 and T-piece 521；T-piece 521 is by briquetting and circle Cylinder integrated moldingization, 522 one end of pressure spring are inserted in cylindrical body and are abutted with briquetting, and 522 other end of pressure spring is connected to U-lag 54 Inner wall, briquetting are connected to shaft 51.Preferably, briquetting offers a circular open to match with shaft.

Specifically, as shown in Figure 1, the lateral surface of table leg 3 is fixed with protection cap 8；Second fixed plate 43 passes through with protection cap 8 Bolt is fixedly connected, and setting protection cap inside, provides the encapsulated by structures such as locking device, pneumatic buffer to protective effect, And increase aesthetic feeling.Protection cap offers cap bore, and shaft is enabled to pass through cap bore, while allowing locking device to be wrapped in the inside Shaft, handle are exposed to outside, handle is operated convenient for people.

More specifically, the outside of protection cap 8 is provided with hook 81.Hook is arranged above or below handle, for hanging The article of school bag, cup etc..

Specifically, as shown in figure 9, the two sides of the bottom rear of desktop 1 are respectively fixed with rotating member 11, rotating member 11 is hinged On the outside of the rear end of the first fixed plate 41, it is connected to 1 bottom of desktop at the top of the drawer 2 when in a horizontal state of desktop 1, gives foot Enough support forces；The two sides of the front side bottom of desktop 1 are respectively fixed with locating part 12, and locating part 12 offers the second arcuate socket 121；The front end outer side of first fixed plate 41, which is threaded with, adjusts screw 13, adjusts screw and runs through the second arcuate socket 121, works as tune Section screw 13 when be in tightening state locating part 12 because that its two sides is connected to the first fixed plate 41 and adjusting screw 13 respectively is steady It is fixed motionless.When needing to adjust desktop forward leaning angle or becoming horizontality again, then unscrew adjusting screw, allow desktop around rotating member with The hinge joint of first fixed plate rotates, and adjusts to required angle, screws adjusting screw, press to locating part, causes Keep its immovable.In the case where writing, students can adjust the forward leaning angle of desktop by adjusting screw, to provide More preferably write environment.

Specifically, as shown in Figure 1 and Figure 2, U-shaped bar 7 is fixedly connected between two table legs 3, U-shaped bar 7 is set to table leg 3 Front side, U-shaped bar 7 are provided with two pedals 71, place its both feet suitable for user.

Specifically, 3 bottom of table leg is fixed with support plate 6, and support plate 6 and table leg 3 form inverted T-shaped；The front and back two of support plate 6 End bottom is respectively arranged with vacuum chuck 61 or rubber mat, enhances the active force between desk and ground, and desk is steadily solid Determine on the ground, it to be avoided arbitrarily to move.

Preferably, pedal 71 can be rotated around U-shaped bar 7, and user voluntarily adjusts pedal with both feet as needed Angle, to improve usage comfort.

Specifically, table leg 3 includes mobile bar 31 and loop bar 32；43 company of being bolted of mobile bar 31 and the second fixed plate It connects, mobile bar 31 is arranged in loop bar 32 and opposite loop bar 32 can slide up and down；The medial surface of loop bar 32 is offered along short transverse Multiple card holes 33, the inside of mobile bar 31 are equipped with the flexible clamp piece for being adapted to pass through card hole 33.By the way that flexible clamp piece is pressed, then Mobile bar is moved up and down, until flexible clamp piece is popped up from card hole, clamping is realized, using the operation, by the height adjustment of desk To required state.The elastic button of flexible clamp piece such as umbrella comprising spring, cylinder fastener, the inside of mobile bar open up There is the cylinder groove for being suitable for accommodating spring and cylinder fastener, the bottom of cylinder fastener has radially convexed to form limited block, the limit Block can avoid cylinder fastener due to spring elastic force and pop up and is detached from from card hole, the both ends of spring be connected to respectively cylinder groove with The limited block of cylinder fastener.

As shown in Figure 10, when students need lunch break, cooperate chair back adjustable seat 10, the utility model is provided The desktop of desk adjust to forward-lean state, be subject to pillow 91 and bed 92, to form the state of chaise longue, user can will be double-legged It is placed on the pedal of desk；The height of desk can be adjusted in the case where according to user, to provide relatively comfortable lunch break ring Border.

In conclusion the utility model provides a kind of adjustable desk of desktop, unique structure is reliable and stable, practical side Just.By adjusting the angle of desktop hypsokinesis to the elastic operation of screw precession row is adjusted, preferable hypsokinesis is being kept convenient for students It is write on the desktop of angle.A locking device is arranged in the desk, rotates operation to the handle of locking device, then will pumping Drawer, desktop horizontality be converted to forward-lean state, to cooperate the seat of front, provide relatively comfortable lunch break condition；In addition, root According to Man's Demands, the height of desk can be adjusted.

It is understood that for those of ordinary skills, can with technical solution according to the present utility model and The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to appended by the utility model Scope of protection of the claims.

Claims (10)

1. a kind of adjustable desk of desktop, including desktop, drawer and two table legs, the desktop is set to drawer top, feature It is, the two sides of the drawer are respectively equipped with the first fixed plate, and first fixed plate is respectively articulated with the first T-shaped connection The hinge joint of plate and the second connecting plate, the first connecting plate and the first fixed plate is located at the hinged of the second connecting plate and the first fixed plate The front side of point；The table leg is fixedly connected with the second fixed plate, and the second fixed plate offers the first arcuate socket, in the first arcuate socket It is respectively corresponded at the top of front end, rear end and is provided with preceding bayonet, rear bayonet, the second fixed plate is equipped in inside to be located at below the first arcuate socket Positioning column；Second connecting plate and the second fixed plate are hinged, and the bottom end of the second connecting plate is hinged with pneumatic buffer, described The bottom end of pneumatic buffer is articulated with the second fixed plate；It further include the locking device for being movably connected on the first arcuate socket；Described Two connecting plates offer the first through hole passed through suitable for locking device;It is when in a horizontal state in drawer, first connecting plate Connect with positioning column, and the locking device passes through first through hole and is connected in rear bayonet；When drawer is in forward-lean state, institute It states locking device and is connected in preceding bayonet across first through hole.

2. the adjustable desk of desktop according to claim 1, which is characterized in that the locking device includes turning with handle Axis, elastic component, Mobile base and fixing seat with groove；The outer peripheral surface of the shaft is integrally formed with arc block；The Mobile base In groove and relatively fixed seat sliding, the outside of Mobile base are equipped with fastener, and the fastener is movably connected on the first arcuate socket, The inside of Mobile base is equipped with U-lag, and the both ends of the elastic component are connected to U-lag and shaft respectively, and Mobile base, which offers, to be suitable for The second through-hole that shaft passes through；The shaft drives arc block to contact with the second through-hole and pushes Mobile base toward elasticity in rotation Part is mobile by the direction of Mobile base active force, while fastener is moved to the first arcuate socket from preceding bayonet or rear bayonet；Described second Connecting plate and the second fixed plate offer the first circular hole, the second circular hole respectively, shaft sequentially pass through the second through-hole, the first circular hole and Second circular hole, it is hinged to form the second connecting plate and the second fixed plate；The fixing seat is fixed on the second connecting plate.

3. the adjustable desk of desktop according to claim 2, which is characterized in that the elastic component includes pressure spring and T-piece； The T-piece is by briquetting and cylinder body by integral forming, and pressure spring one end is inserted in cylindrical body and is abutted with briquetting, and the pressure spring other end supports It is connected to U-lag, briquetting is connected to shaft.

4. the adjustable desk of desktop according to claim 2 or 3, which is characterized in that the lateral surface of the table leg is fixed with Protection cap；Second fixed plate is fixedly connected with protection cap.

5. the adjustable desk of desktop according to claim 4, which is characterized in that be provided with extension on the outside of the protection cap Hook.

6. the adjustable desk of desktop according to claim 1, which is characterized in that the two sides of the bottom rear of the desktop point It is not fixed with rotating member, the rotating member is articulated on the outside of the rear end of the first fixed plate, in desktop drawer when in a horizontal state Top is connected to the bottom of the table；The two sides of the front side bottom of the desktop are respectively fixed with locating part, and the locating part offers Second arcuate socket；The front end outer side of first fixed plate is threaded with adjusting screw, and the adjusting screw runs through the second arc Shape hole, when adjust screw be in tightening state when locating part because its two sides be connected to respectively the first fixed plate and adjusting screw due to it is steady It is fixed motionless.

7. the adjustable desk of desktop according to claim 1, which is characterized in that be fixedly connected between two table legs U-shaped bar, the U-shaped bar are set to the front side of table leg, and U-shaped bar is provided with two pedals.

8. the adjustable desk of desktop according to claim 1, which is characterized in that the table leg bottom is fixed with support plate, Support plate and table leg form inverted T-shaped；The both ends bottom of the support plate is respectively arranged with vacuum chuck or rubber mat.

9. the adjustable desk of desktop according to claim 7, which is characterized in that the pedal can be rotated around U-shaped bar.

10. the adjustable desk of desktop according to claim 8 or claim 9, which is characterized in that the table leg includes mobile bar and set Bar；The mobile bar is fixedly connected with the second fixed plate, and mobile bar is arranged in loop bar and opposite loop bar slides up and down；The loop bar Medial surface offer multiple card holes along short transverse, the inside of mobile bar is equipped with the flexible clamp piece for being adapted to pass through card hole.