CN209750239U - Simple computer desk - Google Patents

Abstract

the utility model discloses a simple computer desk, its technical essential is: the desktop is equipped with regulating plate and connecting rod, the regulating plate includes mainboard and subplate, connecting rod one end is articulated with the subplate, the connecting rod other end and mainboard fixed connection, the connecting rod is provided with the retaining member, one side that the subplate is close to the desktop is fixed with the supporting shoe, supporting shoe and desktop fixed connection, the mainboard is equipped with the antislip strip, adjacent table leg sliding connection has the connecting piece, the connecting piece articulates there is pedal, still including restriction connecting piece along the gliding retaining member of vertical direction, pedal keeps away from that connecting piece one end articulates there is the telescopic landing leg, still including linkage pedal and landing leg synchronous swing's linkage subassembly, pedal's swing angle is the same with the swing angle of landing leg. Mainboard inclination is adjustable, places dull and stereotyped notebook computer on the mainboard of slope to be convenient for the student see clearly the content on the display screen, slowed down the sour sense of pain of student's neck.

Description

simple computer desk

Technical Field

The utility model relates to a desk technical field, more specifically say, it relates to a simple and easy desk.

Background

In the daily life of people, computer tables are applied to the aspects of people's life, and staff in office buildings need to work with the help of computers, so the computer tables are needed to be used, and meanwhile, in the diversified era, students also need to search relevant learning materials with the help of computers, so the computer tables can be used.

Because the development of computers is very rapid along with the development of times at present, the size of the computers is smaller and the performance of the computers is better from the initial super computer to the later desktop computer, to the notebook computer, the tablet computer and the like.

Because desktop's host computer, display and keyboard all separately set up, so it is more for other types of computer occupation of land space, because multiple reasons such as panel computer small portable, therefore the student often can choose the panel computer for use, look up relevant study data with the help of the panel computer when the student is study in the desk, but because the panel computer itself is a flat structure, its display screen is vertical upwards when placing it again on the smooth desk of desktop, so the student needs the health to lean forward clearly to see the content on the display screen, it can lead to student's neck ache to have lasted for a long time, consequently certain space of improving still.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a simple and easy desk has convenient the regulation, sees the word on the display screen clearly, reduces the advantage of student's neck ache.

In order to achieve the above purpose, the utility model provides a following technical scheme:

A simple computer desk comprises a desktop and desk legs for supporting the desktop; the table top is provided with an adjusting plate and a connecting rod, the adjusting plate comprises a main plate and an auxiliary plate, one end of the connecting rod is hinged with the auxiliary plate, the other end of the connecting rod is fixedly connected with the main plate, the connecting rod is provided with a propping piece, one side of the auxiliary plate, which is close to the table top, is fixedly provided with a supporting block, the supporting block is fixedly connected with the table top, the main plate is provided with an anti-slip strip, a connecting piece is adjacent to the table leg in a sliding connection manner, the connecting piece is hinged with a pedal piece, the table top further comprises a locking piece for limiting the connecting piece to slide along the vertical direction, one end of the pedal piece, which is far away from the connecting piece, is hinged with a telescopic supporting leg, the table top further comprises a linkage component for linking the pedal piece and the supporting leg to synchronously swing, the, the included angle between the pedal piece and the horizontal plane is 0-90 degrees when the pedal piece swings, and when the included angle between the pedal piece and the horizontal plane is 0 degree, the supporting legs are perpendicular to the horizontal plane.

Through adopting above-mentioned technical scheme, connecting rod one end is articulated with the subplate, the other end and mainboard fixed connection, but the subplate passes through supporting shoe and desktop fixed connection, so when the connecting rod rotates, the subplate can not rotate owing to the restriction that receives the supporting shoe, the mainboard rotates along with the connecting rod, thereby the slope setting of mainboard has been realized, it is fixed that the mainboard after will inclining to support the piece, thereby the stability of the mainboard after having strengthened inclining, when placing dull and stereotyped notebook computer on the mainboard of slope, the display screen inclines, thereby be convenient for the student to read the content on the display screen, the sour sense of student's neck has been reduced. When a student has a rest, the back of the student leans against the backrest of the chair and places the two feet on the pedal piece, and the two feet are placed on the pedal piece in a straight and inclined manner, so that the comfort degree of placing the two feet is increased compared with the situation that the two feet are directly hung on the ground, the phenomenon of leg and foot numbness is reduced, and the quality of the rest is improved; the connecting piece can slide on the supporting piece, so that the position between the connecting piece and the supporting piece is changed, the position of the connecting piece can be adjusted according to the leg length of an individual or the comfort degree of putting the leg, the position of the pedal piece hinged with the connecting piece is changed, and the applicability of the pedal piece is further enhanced; the locking piece is arranged so that when the connecting piece slides to a certain position, the relative fixation between the connecting piece and the locking piece can be realized; because one end of the pedal part is hinged with the connecting part, when the included angle between the pedal part and the horizontal plane is 0 degree, the hinge part of the pedal part has certain gravity and places a foot on the pedal part, and the hinge part bears all force, so that the phenomenon of abrasion of the hinge part of the pedal part and the connecting part due to overlarge stress can occur, and the arrangement of the supporting legs ensures that the supporting legs play a certain role in fixing and supporting the hinge part of the pedal part far away from the pedal part and the connecting part, thereby reducing the condition of abrasion of the hinge part of the pedal part and the connecting part due to overlarge stress; because the leg length of the individual or the comfort degree of putting the leg, when the included angle between the pedal piece and the horizontal plane is 0 degree, the height of the pedal piece and the ground is different, and the leg is arranged to be telescopic, thereby enhancing the applicability of the leg to the fixed support of the pedal piece; due to the arrangement of the linkage assembly, the pedal piece and the supporting legs synchronously rotate, the complex operation that the pedal piece is firstly opened and then the supporting legs are opened when the pedal is used is reduced, and the synchronous rotation enables the operation to be simple, convenient and quick; because the swinging angle of the pedal member is 0-90 degrees, the opening and closing of the pedal member are realized, and the occupied space of the pedal member when not in use is reduced when not in use.

The utility model discloses further set up to: and a reinforcing strip is fixed between the supporting block and the tabletop, and the supporting blocks are arranged on two sides of the connecting rod in parallel and are fixedly connected with the reinforcing strip.

Through adopting above-mentioned technical scheme, because the distance between mainboard and subplate and the desktop is less, and consolidate the strip and itself and have certain thickness, so indirectly increased the distance of mainboard, subplate and desktop support to mainboard pivoted inclination has been increased.

The utility model discloses further set up to: the main board and the auxiliary board are provided with connecting rings on one sides close to the desktop, the connecting rods penetrate through the connecting rings, one ends close to the auxiliary side boards are rotatably connected with the connecting rings, and the other ends of the auxiliary side boards are fixedly connected with the connecting rings.

Through adopting above-mentioned technical scheme, the go-between plays a supporting role to the connecting rod on the one hand, and on the other hand one end that the connecting rod is close to the subplate is articulated with the go-between, and the one end and the go-between fixed connection that the connecting rod is close to the mainboard to when rotating the connecting rod, having reached the mainboard and along with the rotation slope of connecting rod, the subplate is not along with the effect of the rotation slope of connecting rod.

The utility model discloses further set up to: the length of the table legs can be adjusted.

Through adopting above-mentioned technical scheme, according to student's different heights, can extend or shorten the table leg to suitable length, let the student be in a comfortable condition when studying under, on the other hand is favorable to correcting the position of sitting when student learns.

The utility model discloses further set up to: the landing leg includes with pedal spare articulated outer loop bar and sliding connection in outer loop bar the inner loop bar, the outer loop bar inner wall is concave to be equipped with spiral groove, the inner loop bar outer wall be equipped with spiral groove sliding connection's spiral sand grip, the top of inner loop bar is equipped with the elastic component, the top of outer loop bar is seted up and is supplied the elastic component to wear out and with elastic component joint complex card hole.

By adopting the technical scheme, the supporting legs are arranged into the inner sleeve rods and the outer sleeve rods which are mutually sleeved according to the leg length of an individual or the comfort degree of leg placement, so that the length of the supporting legs is adjusted, the telescopic supporting legs play a role in fixing and supporting the pedal piece, the whole stress of the pedal piece is uniform, and the damage of the pedal piece is reduced; due to the spiral design, the stress surface between the spiral raised line and the spiral groove is inclined, the reaction force is perpendicular to the inclined surface, and the reaction force can be decomposed into a component force in the vertical direction and a component force in the horizontal direction, so that the action of the component force in the vertical direction on the supporting leg is reduced.

The utility model discloses further set up to: the pedal piece is equipped with the trigger piece, works as when the contained angle between pedal piece and the horizontal plane is 0 degree, the trigger piece with the elastic component butt, the elastic component with the card hole breaks away from.

Through adopting above-mentioned technical scheme, the trigger part is equivalent to a trigger switch, when pedal swing to with the horizontal plane between contained angle be 0 degree, trigger part and elastic component butt, the elastic component receives the effect of trigger part power for the elastic component is flexible to break away from with the card hole, thereby interior loop bar moves downwards under the action of gravity, thereby has realized the extension of landing leg.

The utility model discloses further set up to: the bottom end of the outer loop bar is provided with a limiting part for limiting the extension of the supporting leg.

Through adopting above-mentioned technical scheme, the setting of locating part for the relative position of the fixed outer loop bar of manual plug and interior loop bar, the staff need not bow to bore and fix the landing leg below the desk, only need stir the locating part with the foot to realize the fixed of landing leg length.

The utility model discloses further set up to: the pedal piece is equipped with when the contained angle between pedal piece and the horizontal plane be 90 degrees with connecting piece joint complex joint spare.

Through adopting above-mentioned technical scheme, through the setting of joint spare, when need not use pedal spare, pedal spare one end is articulated with the connecting piece, and the pedal spare other end passes through joint spare joint with the connecting piece to it is fixed with connecting piece laminating and joint to make pedal spare, consequently reduced pedal spare because of the reason of gravity along the condition that articulated department outwards swings and break away from the connecting piece side.

to sum up, the utility model discloses following beneficial effect has:

1. Because connecting rod one end is articulated with the subplate, and the other end and mainboard fixed connection, but the subplate passes through supporting shoe and desktop fixed connection, so when the connecting rod rotates, the subplate can not rotate owing to receiving the restriction of supporting shoe, and the mainboard rotates along with the connecting rod, has realized the effect that the mainboard slope subplate does not incline.

2. Because the slope of mainboard sets up, the piece of keeping up is that the mainboard after will inclining is fixed to the stability of the mainboard after having strengthened the slope, when placing dull and stereotyped notebook computer on the mainboard of slope, the display screen slope, thereby the content on the display screen is read to the student of being convenient for, has reduced the sour sense of student's neck.

3. Because the pedal piece can be fixed after moving up and down along the vertical direction, and can freely move left and right in the horizontal direction, the adjustment of the up-down and left-right positions of the pedal piece is realized, and the applicability of the pedal piece is enhanced.

4. The supporting function of the supporting legs on the pedal piece enables the stress of the pedal piece to be uniform, and therefore the phenomenon that the pedal piece is damaged due to uneven stress is reduced.

5. The supporting legs are designed into the telescopic outer loop bars and the telescopic inner loop bars, so that the length adjustment of the supporting legs is realized, the supporting legs are matched with the height adjustment of the sliding plate, and the supporting effect of the supporting legs on the pedal piece is enhanced.

6. Because the foot pedal is deployable and retractable, the obstruction of the student by the foot pedal is reduced when the student learns.

drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic structural view of the inclined main board;

FIG. 4 is a schematic view of the adjusting plate;

FIG. 5 is a schematic structural view of the clip;

FIG. 6 is a schematic view of the retaining member;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a schematic view of the guide member;

FIG. 9 is an enlarged view of a portion of A in FIG. 8;

fig. 10 is a schematic structural view of the elastic member.

Reference numerals: 11. a desktop; 12. desk legs; 121. an inner casing; 122. an outer casing; 13. an adjusting plate; 131. a main board; 132. a sub-board; 133. anti-slip strips; 141. a connecting rod; 142. a connecting ring; 15. an abutting piece; 161. a support block; 162. reinforcing the strips; 2. a locking member; 21. a screw rod; 211. a handle; 22. a guide bar; 3. a guide member; 31. a guide rail; 311. a chute; 312. a fixed block; 313. fixing the rod; 321. A slide plate; 4. a foot pedal; 41. a support leg; 42. an outer loop bar; 421. a clamping hole; 43. an inner loop bar; 431. an elastic member; 4311. a clamping block; 4312. a spring; 432. a groove; 44. a limiting member; 441. a connecting portion; 442. an abutting portion; 443. a stepping part; 444. a fastener; 46. a spiral rib; 5. a trigger; 51. a fixed part; 52. a protrusion; 6. a clamping piece; 61. a card slot; 62. clamping the strip; 7. a gravity ball; 81. fixing a gear; 82. a drive wheel; 83. a drive bevel gear; 84. a driven bevel gear; 85. a first guide gear; 86. a second guide gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

A simple computer desk comprises a desktop 11 and a left desk leg and a right desk leg 12 for supporting the desktop 11, wherein the desk legs 12 are composed of two telescopic sleeves, an inner sleeve 121 is connected in an outer sleeve 122 in a sliding mode, a through hole is formed in one side, close to the inner sleeve 121, of the outer sleeve 122, and a screw penetrates through the through hole to abut against the side wall of the inner sleeve 121.

As shown in fig. 3-4, an adjusting plate 13 and a connecting rod 141 are installed at a position near the rear of the middle of the tabletop 11, the adjusting plate 13 includes a main plate 131 and an auxiliary plate 132, circular arc chamfers are respectively disposed around the main plate 131 and the auxiliary plate 132, and anti-slip strips 133 are installed on the upper surface of the main plate 131 along the length direction thereof.

A connecting ring 142 is fixed on both sides of the main plate 131 and the secondary plate 132 close to the table top 11, the connecting rod 141 penetrates through the connecting ring 142, one end of the connecting rod 141 close to the secondary plate 132 is rotatably connected with the connecting ring 142, and one end of the connecting rod 141 close to the main plate 131 is fixedly connected with the connecting ring 142.

The middle of the connecting rod 141 is provided with a propping member 15, one side of the auxiliary plate 132 close to the table top 11 is also fixed with two supporting blocks 161, the supporting blocks 161 are close to one side of the connecting ring 142 fixed on the auxiliary plate 132, and the supporting blocks 161 are arranged at two sides of the connecting rod 141 in parallel.

a reinforcing strip 162 is fixed between the supporting block 161 and the table top 11, one side surface of the reinforcing strip 162 is fixed with the supporting block 161, the other side surface is fixed with the table top 11, and the length of the reinforcing strip 162 is the same as that of the connecting rod 141.

as shown in fig. 5, a locking member 2 and two guide rods 22 are fixed between the left and right table legs 12 at the rear side, the locking member 2 includes a screw rod 21, the screw rod 21 is installed along the vertical direction and is located under the table top 11, the guide rods 22 are installed along the vertical direction and are located at the left and right sides of the screw rod 21, a handle 211 is fixed at the top end of the screw rod 21, and the handle 211 is located under the table top 11.

The screw 21 is in threaded connection with a guide 3 sliding along the vertical direction, the guide 3 comprises a guide rail 31 horizontally arranged, and the guide rail 31 penetrates through the guide rod 22 in a sliding manner along the vertical direction.

A sliding groove 311 is fixed on one end of the front side surface of the guide rail 31 close to the ground along the length direction, and a connecting piece which is a sliding plate 321 is connected in the sliding groove 311 in a sliding manner.

The guide rail 31 slides vertically down and up along the lead screw 21 and the guide bar 22, and the slide plate 321 slides horizontally left and right along the slide rail.

As shown in fig. 8-9, two fixing blocks 312 are fixed on one side of the sliding plate 321 away from the guide rail 31, one end of the two fixing blocks 312 close to the ground and both sides of the sliding plate 321, and a fixing rod 313 is fixed between the two fixing blocks 312.

the fixing lever 313 is hinged with a foothold 4 along a length direction thereof.

The end of the foot rest 4 away from the fixing rod 313 is hinged with a left telescopic leg 41 and a right telescopic leg 41, and the two legs 41 are close to the two sides of the foot rest 4.

When the included angle between the foot rest 4 and the horizontal plane is 90 degrees, the foot rest 4 is attached to the sliding plate 321, and the left and right support legs 41 are attached to the foot rest 4.

When the angle between the foot rest 4 and the horizontal plane is 0 degrees, the left and right legs 41 are perpendicular to the horizontal plane.

When the footrest 4 is pivoted away from the mounting plate on the front side, the left leg 41 pivots clockwise about the hinge point away from the footrest 4, and the right leg 41 pivots counterclockwise about the hinge point away from the footrest 4.

A linkage assembly for realizing synchronous swinging of the foot pedal 4 and the supporting leg 41 is arranged between the foot pedal 4 and the supporting leg 41.

as shown in fig. 8, the linkage assembly includes two fixed gears 81 fixed to the fixing lever 313, the two fixed gears 81 being respectively located at both sides of the foothold 4 with a certain distance from both sides of the foothold 4; each fixed gear 81 is provided with a driving wheel 82 meshed with the fixed gear, one end of a rotating shaft of the driving wheel 82 is rotatably connected with the side surface of the pedal member 4, the other end of the rotating shaft is coaxially fixed with a driving bevel gear 83, the driving bevel gear 83 is provided with a driven bevel gear 84 meshed with the driving bevel gear, the driven bevel gear 84 is coaxially and rotatably connected with a first guide gear 85, the rotating shaft between the driven bevel gear 84 and the first guide gear 85 is fixedly connected with the side surface of the pedal member 4 through a bearing, the first guide gear 85 is provided with a second guide gear 86 meshed with the first guide gear, one end of the rotating shaft of the second guide gear 86 is rotatably connected with the pedal member 4, and the other end of the rotating shaft of.

The fixed gear 81, the driving wheel 82, the drive bevel gear 83, the driven bevel gear 84, the first guide gear 85, and the second guide gear 86 have the same number of teeth.

The angle of oscillation of the foot rest 4 is the same as the angle of oscillation of the leg 41.

As shown in fig. 10, the leg support 41 comprises an outer sleeve rod 42 hinged with the pedal member 4 and an inner sleeve rod 43 slidably connected inside the outer sleeve rod 42, the length of the outer sleeve rod 42 is smaller than that of the inner sleeve rod 43, and a gravity ball 7 is fixed at one end of the inner sleeve rod 43 away from the outer sleeve rod 42; the inner wall of the outer loop bar 42 is concavely provided with a spiral groove 432, and the outer wall of the inner loop bar 43 is fixedly provided with a spiral convex strip 46 which is in sliding connection with the spiral groove 432.

The top end of the inner loop bar 43 is provided with a groove 432, an elastic piece 431 is fixedly connected in the groove 432, the elastic piece 431 comprises a spring 4312 and a fixture block 4311, one end of the spring 4312 is fixed with the fixture block 4311, and the other end is fixed with the bottom of the groove 432; a clamping hole 421 for the clamping block 4311 to penetrate out and to be in clamping fit with the clamping block 4311 is arranged through the side wall of the outer sleeve rod 42 close to the top end.

The pedal 4 is fixed with a trigger 5 at one end away from the fixing rod 313, the trigger 5 comprises a fixing part 51 and a protrusion 52 fixed on the fixing part 51, and the fixing part 51 is positioned at two sides of the pedal 4.

When the angle between the pedal 4 and the horizontal plane is 0 degree, the protrusion 52 abuts against the latch 4311, the spring 4312 is compressed toward the groove 432, and the latch 4311 is disengaged from the latch hole 421.

As shown in fig. 6-7, a limiting member 44 is hinged to the bottom end of the outer rod 42 for limiting the extension and retraction of the leg 41, the limiting member 44 includes a connecting portion 441 hinged to the outer wall of the outer rod 42, and the connecting portion 441 is fixed with an abutting portion 442; a fastening member 444 is attached to the joint of the connecting portion 441 and the outer shank 42, and the abutting portion 442 abuts against the outer wall of the inner shank 43 via the fastening member 444.

The fastening member 444 is a torsion spring, one end of which is fixedly connected to the outside of the outer loop bar 42, and the other end of which is fixedly connected to the connecting portion 441.

the abutment portion 442 has a step portion 443 fixed thereto.

As shown in fig. 5, the pedal member 4 is provided with a clamping member 6 which is clamped and matched with the sliding plate 321, a clamping strip 62 is fixed at a position where the slider is far away from the rotating connection of the slider and the pedal member 4, and a clamping groove 61 which is clamped and matched with the clamping strip 62 is arranged at a position where the pedal member 4 is far away from the rotating connection of the pedal member 4 and the slider.

The concrete working principle and the beneficial effects of the embodiment are as follows:

the working principle is as follows:

When the main board 131 needs to be inclined, the abutting part 15 is firstly unscrewed, the main board 131 is rotated towards one direction, the main board 131 drives the connecting rod 141 fixed with the main board 131 to rotate together, when the main board 131 rotates to a proper position, the abutting part 15 is screwed down to fix the relative position of the main board 131 and the connecting rod 141, the tablet notebook computer is placed on the inclined main board 131, and the students can clearly see the content on the display screen.

When using the footrests 4, the handles 211 are first turned according to the actual needs of the individual of the student, so that the footrests 4 are raised into position and the footrests 4 can slide freely in the horizontal direction.

When a student has a rest, the student pedals the pedal 4 with feet, by means of friction between the pedal base plate and the clamping groove 61, the pedal 4 swings outwards in the direction away from the sliding plate 321, meanwhile, the left leg 41 swings clockwise around the hinge point in the direction away from the pedal 4, the right leg 41 swings anticlockwise around the hinge point in the direction away from the pedal 4, when the included angle between the pedal 4 and the horizontal plane is 0 degree, the clamping block 4311 on the left leg 41 abuts against the left bulge 52, the spring 4312 compresses towards the groove bottom of the groove 432, the lug is separated from the clamping hole 421, the inner loop bar 43 rotates and descends in the vertical direction until contacting with the ground, the pedal part 443 is pedaled downwards by the feet to enable the abutting part 442 to abut against and be fixed with the outer wall of the outer loop bar 42, and after the pedal 4 is stabilized, the student can place a calling person on the pedal 4 comfortably; the opening of the right leg 41 is the same as the left leg 41.

When the student need be got up pedal 4, at first upwards trample tread portion 443 with the foot, wait to butt portion 442 and overcoat pole 42 outer wall and loosen the back, promote pedal 4 with the foot, make pedal 4 inwards swing towards the direction that is close to slide 321, left side landing leg 41 is around the pin joint counter-clockwise swing towards the direction that is close to pedal 4 simultaneously, right side landing leg 41 is around the pin joint clockwise swing towards the direction that is close to pedal 4, until pedal 4 and slide 321 laminating, left and right sides landing leg 41 and the laminating of slide 321, card strip 62 is fixed with draw-in groove 61 joint, the student can carry out relevant study.

Has the advantages that:

Since one end of the connecting rod 141 is hinged to the sub-plate 132 and the other end is fixedly connected to the main plate 131, but the sub-plate 132 is fixedly connected to the table top 11 through the supporting block 161, when the connecting rod 141 rotates, the sub-plate 132 cannot rotate due to the limitation of the supporting block 161, and the main plate 131 rotates along with the connecting rod 141, so that the effect that the main plate 131 tilts the sub-plate 132 without tilting is achieved.

through the slope setting of mainboard 131, support tight 15 and fix the mainboard 131 after the slope to strengthened the stability of the mainboard 131 after the slope, when placing dull and stereotyped notebook computer on the mainboard 131 of slope, the display screen slope, thereby be convenient for the student to read the content on the display screen, reduced the sour sense of student's neck.

As the desk legs 12 are telescopic, the height of the desktop 11 from the ground can be adjusted according to the actual condition of the height of the student, thereby enhancing the overall applicability.

Because the pedal 4 can move up and down along the vertical direction and then is fixed, the horizontal direction can move left and right freely, thereby realizing the adjustment of the up-down left-right position of the pedal 4 and enhancing the applicability of the pedal 4.

Due to the arrangement of the gravity ball 7, on one hand, the inner loop bar 43 is accelerated to extend vertically and downwards under the action of the gravity ball 7, and on the other hand, in the process that the supporting leg 41 is retracted, the arc surface of the gravity ball 7 is beneficial to the retraction of the inner loop bar 43.

Since the foothold 4 is extendable and retractable, the hindrance of the student by the foothold 4 is reduced when the student learns.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. A simple computer desk comprises a desktop (11) and desk legs (12) for supporting the desktop (11), and is characterized in that: desktop (11) is equipped with regulating plate (13) and connecting rod (141), regulating plate (13) includes mainboard (131) and subplate (132), connecting rod (141) one end with subplate (132) are articulated, connecting rod (141) other end with mainboard (131) fixed connection, connecting rod (141) are provided with and support piece (15), one side that subplate (132) are close to desktop (11) is fixed with supporting shoe (161), supporting shoe (161) and desktop (11) fixed connection, mainboard (131) are equipped with antislip strip (133), and are adjacent table leg (12) sliding connection has the connecting piece, the connecting piece articulates there is pedal (4), still including the gliding retaining member (2) of restriction connecting piece along vertical direction, pedal (4) are kept away from connecting piece one end and are articulated to have telescopic landing leg (41), still include linkage pedal (4) and landing leg (41) synchronous swing's linkage subassembly, the swing angle of foot pedal (4) is the same with the swing angle of landing leg (41), when foot pedal (4) is towards the direction swing of keeping away from support piece, landing leg (41) is towards the direction swing of keeping away from foot pedal (4), when foot pedal (4) swing and the contained angle between the horizontal plane be 0-90 degrees, just contained angle between foot pedal (4) and the horizontal plane is when 0 degree, landing leg (41) are perpendicular with the horizontal plane.

2. A simple computer desk as claimed in claim 1, wherein: a reinforcing strip (162) is fixed between the supporting block (161) and the desktop (11), and the supporting block (161) is arranged on two sides of the connecting rod (141) in parallel and is fixedly connected with the reinforcing strip (162).

3. A simple computer desk as claimed in claim 1, wherein: the main board (131) and the auxiliary board (132) are both provided with a connecting ring (142) on one side close to the desktop (11), the connecting rod (141) penetrates through the connecting ring (142), one end close to the auxiliary side board is rotatably connected with the connecting ring (142), and the other end is fixedly connected with the connecting ring (142).

4. A simple computer desk as claimed in claim 1, wherein: the length of the table legs (12) can be adjusted.

5. A simple computer desk as claimed in claim 1, wherein: landing leg (41) include with pedal member (4) articulated outer loop bar (42) and sliding connection in interior loop bar (43) in outer loop bar (42), outer loop bar (42) inner wall is concave to be equipped with spiral groove (432), interior loop bar (43) outer wall is equipped with spiral sand grip (46) with spiral groove (432) sliding connection, the top of interior loop bar (43) is equipped with elastic component (431), the top of outer loop bar (42) is seted up and is supplied elastic component (431) to wear out and with elastic component (431) joint complex card hole (421).

6. A simple computer desk as claimed in claim 5, wherein: step piece (4) are equipped with trigger piece (5), work as when the contained angle between step piece (4) and the horizontal plane is 0 degree, trigger piece (5) with elastic component (431) butt, elastic component (431) with card hole (421) break away from.

7. A simple computer desk as claimed in claim 6, wherein: the bottom end of the outer loop bar (42) is provided with a limiting piece (44) for limiting the extension of the supporting leg (41).

8. A simple computer desk as defined in claim 7, wherein: pedal spare (4) be equipped with when the contained angle between pedal spare (4) and the horizontal plane be 90 degrees with connecting piece joint complex joint spare (6).