CN114766821A

CN114766821A - Folding desk and chair convenient for storage

Info

Publication number: CN114766821A
Application number: CN202210222052.8A
Authority: CN
Inventors: 高良丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-22

Abstract

The invention relates to a desk and chair, in particular to a folding desk and chair convenient to store. The invention aims to provide a folding desk and chair convenient to store, which is simple to operate. The invention provides a foldable desk and chair convenient to store, which comprises supporting legs, first supporting rods, a placing plate, a table plate and the like, wherein the first supporting rods are arranged on the upper parts of the supporting legs on the front side and the rear side in a sliding mode, the table plate used for placing books is arranged between the tops of the first supporting rods, the placing plate used for storing schoolbag is arranged at the bottom of the table plate, and the placing plate is positioned between the two first supporting rods. The folding desk and chair has the advantages that the motor is used as a driving force, the seat plate can be driven to move downwards and move rightwards to be folded, the backup plate can be driven to rotate rightwards for 90 degrees to be folded, the desk plate can be driven to move downwards to be folded, accordingly, the folding operation of the whole desk and chair can be completed, and the folding desk and chair is simple and convenient to operate.

Description

Folding desk and chair convenient for storage

Technical Field

The invention relates to a desk and chair, in particular to a folding desk and chair convenient to store.

Background

At present, most of desks and chairs used by students are made separately, so that the desks and the chairs occupy larger classroom space, and the desks and the chairs can not be folded, thereby being inconvenient for the students to carry and store and reducing the utilization rate of the desks and the chairs.

Patent application CN213849395U, the public day is 20210803, discloses a foldable desk chair, including the desk board, the front and the back of desk board have all seted up flutedly, the inside of recess is rotated and is connected with the turning block, two the equal fixed mounting in the back of the body one side of the back of the body of turning block has a dwang, two the equal fixed mounting in the back of the body one end of the back of the body of dwang has a circular block, the front and the equal movable mounting in the back of desk board have the support column, the left side of support column is rotated and is connected with the bracing piece, the bottom fixed mounting of desk board has two fixture blocks, two the draw-in groove has all been seted up, two to the bottom of fixture block fixed mounting has the bottom plate, two between the bottom of support column relative one side all rotates and is connected with the connecting rod, two fixed mounting has the desk chair board between the right side of connecting rod. The folding desk and chair greatly reduces the occupied space of the desk board and the desk board, is convenient for students to carry and store, and improves the utilization rate of the desk and chair. Although above-mentioned desk chair can be folded, when folding desk chair, need the student to shift out two bracing pieces from two draw-in grooves, make two bracing pieces lose the supporting role to the desk board, then can make the desk board fold to ninety degrees of left turn, the inside that two dops advance the second sleeve is pressed to the rethread, packs up second sleeve rebound again, then upwards rotates ninety degrees with the connecting rod, and the operation is comparatively complicated.

In summary, there is a need for a foldable desk and chair convenient to store, which is easy to operate, and is used to solve the above problems.

Disclosure of Invention

In order to overcome the defect that the operation of the existing folding desk and chair is complex when in use, the invention aims to provide the folding desk and chair which is simple to operate and convenient to store.

The invention is realized by the following technical approaches:

a folding desk and chair convenient to store comprises supporting legs, first supporting rods, a placing plate, a desk plate, first guide rods, second supporting rods, first connecting rods, a rotating rod, a seat plate, a backup plate, a retracting component, a reducing component and a rotating component, wherein the first supporting rods are arranged on the upper portions of the supporting legs on the front side and the rear side in a sliding mode, the desk plate used for placing books is arranged between the tops of the first supporting rods, the placing plate used for storing the schoolbag is arranged at the bottom of the desk plate, the placing plate is arranged between the two first supporting rods, the number of the second supporting rods is two, the second supporting rods are symmetrically arranged in the front and the rear direction, the second supporting rods are arranged on the left side of the supporting legs, the first guide rods are arranged on the lower portions of the front sides of the supporting legs on the rear side, the second supporting rods on the rear side are connected with the first guide rods in a sliding mode, the seat plate is arranged right above the two second supporting rods, the front and the rear sides of the lower portion of the seat plate and the inner sides of the second supporting rods are symmetrically arranged in the left and right of the rotating mode, the first connecting rods are arranged in the left and right of the rotating mode, the quantity of first connecting rod is eight, controls equal rotary type between the four first connecting rod inboards of homonymy and is equipped with the bull stick, and the quantity of bull stick is two, and the upper portion left side rotary type of bedplate is equipped with the backup plate, is equipped with on the supporting legs to be used for going on retracting the subassembly that packs up the bedplate, is equipped with on the supporting legs to be used for driving the reduction subassembly that the down motion of table was packed up, is equipped with on the bedplate to be used for driving the backup plate to turn right the runner assembly who packs up.

Optionally, the retraction assembly comprises a motor, a screw rod, a second guide rod and a first slide rail, the support leg lower part right side of front side is equipped with the motor, be equipped with the lead screw on the output shaft of motor, the lead screw is connected with the supporting legs rotary type of front side, the second bracing piece and the lead screw threaded connection of front side, the lower part of supporting legs all is equipped with the second guide arm, the equal slidingtype in left side of second guide arm is equipped with first slide rail, all around there being first spring on the second guide arm, the both ends of first spring respectively with second guide arm and first slide linkage, all be equipped with first guide pin bushing in the middle of the front and back both sides of bedplate bottom, the equal slidingtype in lower part of first guide pin bushing is equipped with the second guide pin bushing, the equal slidingtype in lower part of second guide pin bushing is equipped with the second slide rail, the second slide rail all is connected with adjacent first slide rail slidingtype, the bull stick all is connected with two second slide rails.

Optionally, the lowering assembly includes a second spring, a pull rope, a roller and a second connecting rod, the second spring is arranged between the bottom of the first supporting rod and the adjacent supporting foot, the pull rope is arranged between the lower portion of the right side of the first supporting rod and the adjacent supporting foot, the roller is rotatably arranged on the right side of the lower portion of the supporting foot, the second connecting rod is arranged on the right side of the top of the second supporting rod, and the second connecting rod moves to the right and contacts with the pull rope.

Optionally, the rotating assembly comprises a torsion spring, a third connecting rod, a third spring and a fourth connecting rod, two torsion springs are arranged between the middle of the lower portion of the backup plate and the seat plate, the third connecting rod is symmetrically arranged in a sliding mode around the left side of the seat plate, the upper portion of the third connecting rod is in contact with the right half portion of the oval limiting blocks on the front side and the rear side of the backup plate, the third spring is arranged between the third connecting rod and the seat plate, the upper portions of the left sides of the two first connecting rods on the upper left side are provided with the fourth connecting rod, and the fourth connecting rod is in contact with the bottom of the adjacent third connecting rod.

Optionally, the walking assembly is used for facilitating movement and comprises a third guide rod, a connecting rod, a fourth spring, a rotating shaft and wheels, the third guide rod is arranged on the left side and the right side of the lower portion of the supporting leg, the connecting rod is arranged between the two third guide rods on the same transverse side in a sliding mode, the first supporting rod moves downwards to be in contact with the connecting rod, the fourth spring is wound on the third guide rod, the two ends of the fourth spring are connected with the supporting leg and the connecting rod respectively, the rotating shaft is arranged on the left side and the right side of the lower portion of the connecting rod in an equal rotating mode, and the wheels are arranged in the rotating shaft.

Optionally, still including being used for making things convenient for the foldable convenient desk chair of accomodating of student pulling to carry out the pulling subassembly that removes, the pulling subassembly is including the slider, the pull rod, the push rod, the fifth spring, first fixture block and sixth spring, the inside left side slidingtype of table is equipped with the slider, the right part rotary type of slider is equipped with the pull rod, the right part slidingtype of pull rod is equipped with the push rod, the longitudinal symmetry is equipped with the fifth spring between push rod and the pull rod, the symmetrical slidingtype is equipped with first fixture block around the inside right side of table, the pull rod is all blocked to first fixture block, first fixture block all contacts with the push rod, all be equipped with the sixth spring between the outside of first fixture block and the table.

Optionally, the table further comprises a clamping assembly for ensuring the stability of the table, the clamping assembly comprises a third supporting rod, a second clamping block, a pulling block and a seventh spring, the third supporting rod is arranged on the lower portion of the left side of the first supporting rod on the front side, the second clamping block is slidably arranged on the upper portion of the third supporting rod, the bottom of the second clamping block is in contact with the top of the supporting leg on the front side, the pulling block is arranged on the left side of the second clamping block, and the seventh spring is arranged between the second clamping block and the third supporting rod.

Optionally, the right part of the tie rod is sheathed with a rubber sheath.

Compared with the prior art, the invention has the following advantages:

1. the folding desk and chair has the advantages that the motor is used as a driving force, the seat plate can be driven to move downwards and move rightwards to be folded, the backup plate can be driven to rotate rightwards for 90 degrees to be folded, the desk plate can be driven to move downwards to be folded, and accordingly the folding operation of the whole desk and chair can be completed, and the folding desk and chair is simple and convenient to operate.

2. When the desk plate moves downwards and is folded, the wheels can be driven to move downwards to be in contact with the ground, so that the whole desk and chair can be conveniently moved by students.

3. According to the desk and chair, the pull rod is pulled out to the right and then can be rotated upwards, so that the whole desk and chair can be pulled to move through the pull rod.

4. The supporting leg on the front side can block the bottom of the second clamping block, so that the stability of the desk plate can be guaranteed in the learning process of students, and the desk plate is prevented from moving downwards due to the fact that books are heavy.

Drawings

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

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

FIG. 3 is a schematic view of a first partial body structure according to the present invention.

FIG. 4 is a schematic view of the installation of the retraction assembly of the present invention.

FIG. 5 is a partial cross-sectional structural schematic view of the retraction assembly of the present invention.

Figure 6 is a schematic view of the installation of the inventive lowering assembly.

Fig. 7 is a schematic view of the installation of the rotating assembly of the present invention.

Fig. 8 is an enlarged schematic view of the structure at a of the present invention.

FIG. 9 is a schematic view of a second partial body structure according to the present invention.

Fig. 10 is a schematic view of the installation of the walking unit of the present invention.

Fig. 11 is an enlarged schematic view of the present invention at B.

FIG. 12 is a schematic view of another perspective structure of the walking unit of the present invention.

FIG. 13 is a partial cross-sectional structural schematic view of the pulling assembly of the present invention.

Fig. 14 is an enlarged schematic view of the structure at C of the present invention.

FIG. 15 is a schematic drawing showing a partial perspective view of the pulling assembly of the present invention.

Figure 16 is a schematic view of the installation of the seizure assembly of the present invention.

The meaning of the reference symbols in the figures: 1: supporting legs, 2: first support rod, 3: place board, 4: table, 5: first guide bar, 6: second support bar, 7: first link, 8: turning rod, 9: seat plate, 10: backup plate, 11: retraction assembly, 111: motor, 112: a screw rod, 113: second guide bar, 114: first slide rail, 115: first spring, 116: first guide bush, 117: second guide sleeve, 118: second slide rail, 12: lowering the assembly, 121: second spring, 122: a pull cord, 123: roller, 124: second link, 13: rotating assembly, 131: torsion spring, 132: third link, 133: third spring, 134: fourth link, 14: running component, 141: third guide bar, 142: connecting rod, 143: fourth spring, 144: rotation shaft, 145: wheel, 15: pulling assembly, 151: slider, 152: pull rod, 153: push rod, 154: fifth spring, 155: first latch, 156: sixth spring, 16: seizing assembly, 161: third support bar, 162: second latch, 163: pulling block, 164: and a seventh spring.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is to be understood that the terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", and the like as used herein, whether or not specifically defined herein, are used in a generic and descriptive sense only and not for purposes of limitation.

Example 1

A folding type desk and chair convenient to store is disclosed, and referring to a figure 1-figure 9, the folding type desk and chair comprises supporting legs 1, first supporting rods 2, a placing plate 3, a desk plate 4, first guide rods 5, second supporting rods 6, a first connecting rod 7, a rotating rod 8, a seat plate 9, a backup plate 10, a retraction component 11, a reduction component 12 and a rotating component 13, wherein the first supporting rods 2 are arranged on the upper portions of the supporting legs 1 on the front side and the rear side in a sliding mode, the desk plate 4 is welded between the tops of the first supporting rods 2, the placing plate 3 is arranged at the bottom of the desk plate 4, the placing plate 3 is positioned between the two first supporting rods 2, students can place schoolbags into the placing plate 3 and then place books on the tops of the desk plate 4 for study, the second supporting rods 6 are symmetrically arranged in the front and rear direction, the second supporting rods 6 are arranged on the left side of the supporting legs 1, the first guide rods 5 are welded on the lower portions of the front sides of the supporting legs 1 on the rear side, second bracing piece 6 and the 5 sliding type of first guide arm of rear side are connected, bedplate 9 is located two second bracing pieces 6 directly over, the equal bilateral symmetry rotary type in both sides and the inboard of second bracing piece 6 is equipped with first connecting rod 7 around bedplate 9 lower part, the quantity of first connecting rod 7 is eight, it is equipped with bull stick 8 to control equal rotary type between four first connecting rod 7 inboards of homonymy, the quantity of bull stick 8 is two, the upper portion left side rotary type of bedplate 9 is equipped with backup plate 10, be equipped with on the supporting legs 1 and return back the subassembly 11, be equipped with reducing component 12 on the supporting legs 1, be equipped with runner component 13 on bedplate 9.

Referring to fig. 1, 2, 4 and 5, the retracting assembly 11 includes a motor 111, a lead screw 112, a second guide rod 113, a first slide rail 114, a first spring 115, a first guide sleeve 116, a second guide sleeve 117 and a second slide rail 118, the motor 111 is bolted to the right side of the lower portion of the front support foot 1, the lead screw 112 is disposed on the output shaft of the motor 111, the lead screw 112 is rotatably connected with the front support foot 1, the second support rod 6 of the front side is in threaded connection with the lead screw 112, the second guide rod 113 is welded to the lower portion of the support foot 1, the first slide rail 114 is slidably disposed on the left side of the second guide rod 113, the first spring 115 is wound on the second guide rod 113, two ends of the first spring 115 are respectively connected with the second guide rod 113 and the first slide rail 114, the first guide sleeve 116 is disposed in the middle of the front and rear sides of the bottom of the seat plate 9, the second guide sleeve 117 is slidably disposed on the lower portion of the first guide sleeve 116, the second guide sleeve 118 is slidably disposed on the lower portion of the second guide sleeve 117, the second slide rails 118 are all slidably connected to the adjacent first slide rails 114, the motor 111 is started to drive the second slide rails 118 to move right, and under the guiding action of the first slide rails 114, the second slide rails 118 can be driven to move down, so that the seat board 9 can be driven to move down to be folded, and the rotating rod 8 is both slidably connected to the two second slide rails 118.

Referring to fig. 1, fig. 2 and fig. 6, it is including second spring 121 to reduce subassembly 12, stay cord 122, gyro wheel 123 and second connecting rod 124, all be equipped with second spring 121 between 2 bottoms of first bracing piece and the adjacent supporting legs 1, all be equipped with stay cord 122 between the right side lower part of first bracing piece 2 and the adjacent supporting legs 1, the equal rotary type in lower part right side of supporting legs 1 is equipped with gyro wheel 123, second connecting rod 124 has all been welded on the top right side of second bracing piece 6, second connecting rod 124 moves rightwards and can contact with stay cord 122, thereby can stimulate first bracing piece 2 downstream, thereby can drive table 4 downstream and pack up.

Referring to fig. 1, 2, 7 and 8, the rotating assembly 13 includes a torsion spring 131, a third connecting rod 132, a third spring 133 and a fourth connecting rod 134, two torsion springs 131 are disposed between the middle of the lower portion of the backup plate 10 and the seat plate 9, the third connecting rod 132 is symmetrically disposed on the left side of the seat plate 9 in a front-back sliding manner, the upper portion of the third connecting rod 132 is in contact with the right half of the oval limiting blocks on the front and rear sides of the backup plate 10, the third connecting rod 132 moves downward to drive the backup plate 10 to rotate rightward and retract, the third spring 133 is disposed between the third connecting rod 132 and the seat plate 9, the fourth connecting rods 134 are welded on the upper portions of the left sides of the two first connecting rods 7 on the upper left side, and the fourth connecting rods 134 are in contact with the bottoms of the adjacent third connecting rods 132.

Initially, the third spring 133 is in a compressed state, when a student needs to use the desk and chair, the student can sit on the seat plate 9, then can put a schoolbag into the placing plate 3, then place a book on the top of the desk plate 4 for learning, the student can lean against the backup plate 10 for rest after learning, the seat plate 9 can limit the backup plate 10, the backup plate 10 cannot rotate to the left, when the student does not need to use the desk and chair, the student can leave the seat plate 9, then take away the book and the schoolbag, then start the motor 111, control the output shaft of the motor 111 to rotate forward, drive the lead screw 112 to rotate forward, thereby drive the second support rod 6 at the front side to move to the right, further drive the first connecting rod 7, the rotating rod 8, the seat plate 9, the backup plate 10 and the second support rod 6 at the rear side to move to the right, the second support rod 6 drives the second connecting rod 124 to move to the right, and meanwhile, the seat plate 9 drives the first guide sleeve 116, The second guide sleeve 117 and the second slide rail 118 move to the right, at this time, under the guiding effect of the first slide rail 114, the first slide rail 114 will extrude the second slide rail 118 to move downward, so as to drive the first guide sleeve 116 and the second guide sleeve 117 to move downward, the second slide rail 118 will also drive the rotating rod 8 to move inward, so as to drive the first connecting rod 7 to rotate and fold inward, the first guide sleeve 116, the second guide sleeve 117 and the second slide rail 118 can contract, the first connecting rod 7 on the upper left side drives the fourth connecting rod 134 to rotate, so as to separate the fourth connecting rod 134 from the third connecting rod 132, the third spring 133 recovers to drive the third connecting rod 132 to move downward, because the elastic force of the third spring 133 is greater than that of the torsion spring 131, the third connecting rod 132 extrudes the backup plate 10 to rotate 90 degrees to the right, the torsion spring 131 deforms, when the second slide rail 118 moves to the lowest side, the second slide rail 118 drives the first slide rail 114 to move to the right, the first spring 115 is compressed, when the second connecting rod 124 contacts with the pulling rope 122, the pulling rope 122 is pulled to move to the right, the roller 123 plays a guiding role, the pulling rope 122 drives the first supporting rod 2 to move downwards, the second spring 121 is compressed, so as to drive the placing plate 3 and the table plate 4 to move downwards and be folded, after the whole desk and chair is folded, the motor 111 is turned off, so as to reduce the occupied space of the desk and chair, so that students can conveniently store and move the desk and chair, when the students need to use the desk and chair again, the motor 111 can be started, the output shaft of the motor 111 is controlled to rotate reversely, the lead screw 112 is driven to rotate reversely, so as to drive the second supporting rod 6 at the front side to move to the left for resetting, further drive the first connecting rod 7, the rotating rod 8, the seat plate 9, the backup plate 10 and the second supporting rod 6 at the rear side to move to the left for resetting, the second supporting rod 6 drives the second connecting rod 124 to move to the left for resetting, meanwhile, the seat plate 9 drives the first guide sleeve 116, the second guide sleeve 117 and the second slide rail 118 to move leftwards for resetting, at this time, the second connecting rod 124 loosens the pull rope 122, the second spring 121 restores to the original state to drive the first support rod 2, the placing plate 3 and the table plate 4 to move upwards for resetting, the second slide rail 118 loosens the first slide rail 114, the first spring 115 restores to the original state to drive the first slide rail 114 to move leftwards for resetting, after the first slide rail 114 is completely reset, the second slide rail 118 moves upwards for resetting to drive the first guide sleeve 116 and the second guide sleeve 117 to move upwards for resetting, the second slide rail 118 also drives the rotating rod 8 to move outwards for resetting to drive the first connecting rod 7 to rotate outwards for unfolding, the first guide sleeve 116, the second guide sleeve 117 and the second slide rail 118 can be unfolded, at this time, the first connecting rod 7 on the upper left side drives the fourth connecting rod 134 to rotate backwards for resetting, when the fourth connecting rod 134 contacts with the third connecting rod 132, the third connecting rod 132 is pressed to move upward to be reset, the third spring 133 is compressed, so that the third connecting rod 132 releases the backup plate 10, the torsion spring 131 is restored to the original state, the backup plate 10 is driven to rotate upward by 90 degrees to be reset and unfolded, and then the motor 111 is turned off.

Example 2

On the basis of embodiment 1, referring to fig. 1, 2, 10, 11 and 12, the desk and chair further comprises a walking assembly 14, wherein the walking assembly 14 comprises third guide rods 141, a connecting rod 142, a fourth spring 143, a rotating shaft 144 and wheels 145, the third guide rods 141 are welded on the left and right sides of the lower portion of the supporting foot 1, the connecting rod 142 is arranged between the two third guide rods 141 on the same transverse side in a sliding manner, the first supporting rod 2 moves downwards to be in contact with the connecting rod 142, the fourth spring 143 is wound on the third guide rods 141, two ends of the fourth spring 143 are respectively connected with the supporting foot 1 and the connecting rod 142, the rotating shaft 144 is arranged on the left and right sides of the lower portion of the connecting rod 142 in a rotating manner, the wheels 145 are arranged on the rotating shaft 144, and the wheels 145 can contact with the ground when moving downwards, so that the whole desk and chair can be conveniently moved.

When first bracing piece 2 down moved, can contact with connecting rod 142, thereby can extrude connecting rod 142 down to move, fourth spring 143 compresses, connecting rod 142 drives pivot 144 and wheel 145 down to move, make wheel 145 all contact with ground, thereby stay cord 122 can be with whole desk chair slight pull-up, make supporting legs 1 all separate with ground, then wheel 145 can be subaerial roll, make things convenient for the student to remove this desk chair, when first bracing piece 2 up moves and resets, can separate with connecting rod 142, fourth spring 143 can resume the original state, drive connecting rod 142, pivot 144 and wheel 145 reset for supporting legs 1 up moves, wheel 145 can separate with ground this moment, supporting legs 1 can contact with ground again, thereby can guarantee the stability of whole desk chair.

Referring to fig. 1, 2, 13, 14 and 15, the desk further includes a pulling assembly 15, the pulling assembly 15 includes a slider 151, a pull rod 152, a push rod 153, a fifth spring 154, a first block 155 and a sixth spring 156, the slider 151 is slidably disposed on the left side inside the desk board 4, the pull rod 152 is rotatably disposed on the right portion of the slider 151, a rubber sheath is sleeved on the right portion of the pull rod 152 to prevent slipping, the pull rod 152 can be pulled out to the right by a student to facilitate movement of the whole desk and chair, the push rod 153 is slidably disposed in the middle portion of the right side of the pull rod 152, the fifth spring 154 is symmetrically disposed between the push rod 153 and the pull rod 152 in the front-back direction, the first block 155 is symmetrically disposed on the right side inside the desk board 4 in the front-back direction, the pull rod 152 is blocked by the first block 155, the first block 155 is in contact with the push rod 153, and the sixth spring 156 is disposed between the outer side of the first block 155 and the desk board 4.

When the student needs to move the desk and chair, the student can hold the right part of the pull rod 152, so as to press the push rod 153 to move to the left, the fifth spring 154 is compressed, the push rod 153 can press the first fixture block 155 to move to the outer side to loosen the pull rod 152, the sixth spring 156 is compressed, then the student can pull the pull rod 152 to the right to drive the slide block 151 and the push rod 153 to move to the right, at the moment, the push rod 153 can be separated from the first fixture block 155, the pull rod 152 can support the inner side of the first fixture block 155, when the pull rod 152 is completely pulled out, the student can rotate the pull rod 152 to a proper angle upwards, then the desk and chair is pulled to move through the pull rod 152, when the desk and chair is moved to a proper position, the pull rod 152 is rotated downwards to a horizontal position, then the pull rod 152 is pushed to the left to reset, the slide block 151 and the push rod 153 are driven to move to the left to reset, when the pull rod 152 is completely reset, the pull rod 152 can be separated from the first fixture block 155, the push rod 153 contacts the first latch 155 again, and then the pull rod 152 is released, at this time, the fifth spring 154 is restored to the original state, and drives the push rod 153 to move rightwards to reset, so that the push rod 153 releases the first latch 155, the sixth spring 156 is restored to the original state, and drives the first latch 155 to move inwards to reset and clamp the pull rod 152 again.

Referring to fig. 1, 2 and 16, the table further includes a clamping assembly 16, the clamping assembly 16 includes a third support rod 161, a second block 162, a pull block 163 and a seventh spring 164, the third support rod 161 is welded to the lower portion of the left side of the first support rod 2 on the front side, the second block 162 is slidably disposed on the upper portion of the third support rod 161, the bottom of the second block 162 contacts with the top of the support leg 1 on the front side, so that the table plate 4 can be limited, the stability of the table plate 4 is ensured, the pull block 163 is disposed on the left side of the second block 162, and the seventh spring 164 is disposed between the second block 162 and the third support rod 161.

Initially, the supporting leg 1 at the front side blocks the bottom of the second fixture block 162, so that the stability of the desk plate 4 can be ensured in the process of student learning, the desk plate 4 is prevented from moving downward due to a heavy book, when a student needs to fold the whole desk and chair, the pull block 163 needs to be pulled leftward to drive the second fixture block 162 to move leftward, the seventh spring 164 is compressed to separate the second fixture block 162 from the supporting leg 1 at the front side, at this time, the first supporting rod 2 can move downward to complete the folding work, the first supporting rod 2 at the front side can drive the third supporting rod 161, the second fixture block 162 and the pull block 163 to move downward, at this time, the supporting leg 1 at the front side can prop against the right side of the second fixture block 162, when the first supporting rod 2 moves upward to reset, the first supporting rod 2 at the front side can drive the third supporting rod 161, the second fixture block 162 and the pull block 163 to move upward to reset, so that the supporting leg 1 on the front side no longer abuts against the right side of the second fixture block 162, the seventh spring 164 returns to its original state, and drives the second fixture block 162 and the pulling block 163 to move rightwards to return, so that the supporting leg 1 on the front side blocks the bottom of the second fixture block 162.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A folding desk and chair convenient to store comprises supporting legs (1), first supporting rods (2), a placing plate (3), a table plate (4), first guide rods (5), second supporting rods (6), first connecting rods (7), rotating rods (8), a seat plate (9) and a backing plate (10), wherein the first supporting rods (2) are arranged on the upper portions of the supporting legs (1) on the front side and the rear side in a sliding mode, the table plate (4) used for placing books is arranged between the tops of the first supporting rods (2), the placing plate (3) used for storing the schoolbag is arranged at the bottom of the table plate (4), the placing plate (3) is arranged between the two first supporting rods (2), the second supporting rods (6) are symmetrically arranged in the front and the rear direction, the second supporting rods (6) are arranged on the left side of the supporting legs (1), the first guide rods (5) are arranged on the lower portions of the front side of the supporting legs (1) on the rear side, second bracing piece (6) and first guide arm (5) sliding type connection of rear side, bedplate (9) are located two second bracing pieces (6) directly over, the equal bilateral symmetry rotary type in the inboard of both sides and second bracing piece (6) around bedplate (9) lower part is equipped with first connecting rod (7), the quantity of first connecting rod (7) is eight, it is equipped with bull stick (8) to control equal rotary type between four first connecting rod (7) inboards of homonymy, the quantity of bull stick (8) is two, the upper portion left side rotary type of bedplate (9) is equipped with backup plate (10), characterized by: still including retracting subassembly (11), reduction subassembly (12) and rotating assembly (13), be equipped with on supporting legs (1) and be used for carrying out the retraction subassembly (11) of packing up to bedplate (9), be equipped with on supporting legs (1) and be used for driving table (4) down motion reduction subassembly (12) of packing up, be equipped with on bedplate (9) and be used for driving backup plate (10) to turn right rotating rotation subassembly (13) of packing up.

2. A foldable desk and chair for convenient storage as claimed in claim 1, wherein: the retraction component (11) comprises a motor (111), a screw rod (112), a second guide rod (113), a first slide rail (114), a first spring (115), a first guide sleeve (116), a second guide sleeve (117) and a second slide rail (118), the motor (111) is arranged on the right side of the lower part of the supporting foot (1) on the front side, the screw rod (112) is arranged on an output shaft of the motor (111), the screw rod (112) is rotatably connected with the supporting foot (1) on the front side, a second supporting rod (6) on the front side is in threaded connection with the screw rod (112), the second guide rod (113) is arranged on the lower part of the supporting foot (1), the first slide rail (114) is arranged on the left side of the second guide rod (113) in a sliding manner, the first spring (115) is wound on the second guide rod (113), two ends of the first spring (115) are respectively connected with the second guide rod (113) and the first slide rail (114), the first guide sleeve (116) is arranged in the middle of the front side and the rear side of the bottom of the seat plate (9), the lower part of the first guide sleeve (116) is provided with a second guide sleeve (117) in a sliding manner, the lower part of the second guide sleeve (117) is provided with a second sliding rail (118) in a sliding manner, the second sliding rail (118) is connected with the adjacent first sliding rail (114) in a sliding manner, and the rotating rod (8) is connected with the two second sliding rails (118) in a sliding manner.

3. A foldable desk and chair for convenient storage as claimed in claim 2, wherein: reduce subassembly (12) including second spring (121), stay cord (122), gyro wheel (123) and second connecting rod (124), all be equipped with second spring (121) between first bracing piece (2) bottom and adjacent supporting legs (1), all be equipped with stay cord (122) between the right side lower part of first bracing piece (2) and adjacent supporting legs (1), the equal rotary type in lower part right side of supporting legs (1) is equipped with gyro wheel (123), the top right side of second bracing piece (6) all is equipped with second connecting rod (124), second connecting rod (124) turn right the motion can with stay cord (122) contact.

4. A foldable desk and chair for convenient storage as claimed in claim 3, wherein: rotating assembly (13) is including torsion spring (131), third connecting rod (132), third spring (133) and fourth connecting rod (134), be equipped with two torsion spring (131) between the lower part centre of backup plate (10) and bedplate (9), the left side front and back symmetry slidingtype of bedplate (9) is equipped with third connecting rod (132), the upper portion of third connecting rod (132) all contacts with the right half part of the oval stopper of backup plate (10) front and back both sides, all be equipped with third spring (133) between third connecting rod (132) and bedplate (9), two first connecting rod (7) left side upper portions of upper left side all are equipped with fourth connecting rod (134), fourth connecting rod (134) all contact bottom with adjacent third connecting rod (132).

5. A foldable desk and chair for convenient storage as claimed in claim 4, wherein: still including walking subassembly (14) that is used for convenient removal, walking subassembly (14) is including third guide arm (141), connecting rod (142), fourth spring (143), pivot (144) and wheel (145), the left and right sides of supporting legs (1) lower part all is equipped with third guide arm (141), it is equipped with connecting rod (142) all to slidingtype between two third guide arms (141) of horizontal homonymy, first bracing piece (2) downstream can contact with connecting rod (142), all around fourth spring (143) on third guide arm (141), the both ends of fourth spring (143) are connected with supporting legs (1) and connecting rod (142) respectively, the equal rotary type in left and right sides of connecting rod (142) lower part is equipped with pivot (144), all be equipped with wheel (145) on pivot (144).

6. A foldable desk and chair for convenient storage as claimed in claim 5, wherein: also comprises a pulling component (15) which is used for facilitating the students to pull the folding desk and chair which is convenient to store for moving, the pulling component (15) comprises a slide block (151), a pull rod (152) and a push rod (153), fifth spring (154), first fixture block (155) and sixth spring (156), inside left side slidingtype of table (4) is equipped with slider (151), the right part rotary type of slider (151) is equipped with pull rod (152), the right part slidingtype of pull rod (152) is equipped with push rod (153), the longitudinal symmetry is equipped with fifth spring (154) between push rod (153) and pull rod (152), the longitudinal symmetry is equipped with first fixture block (155) around the inside right side of table (4), pull rod (152) all are blocked in first fixture block (155), first fixture block (155) all contact with push rod (153), all be equipped with sixth spring (156) between the outside of first fixture block (155) and table (4).

7. A foldable desk and chair for convenient storage as claimed in claim 6, wherein: the table plate is characterized by further comprising a clamping assembly (16) used for guaranteeing stability of the table plate (4), the clamping assembly (16) comprises a third supporting rod (161), a second clamping block (162), a pull block (163) and a seventh spring (164), the third supporting rod (161) is arranged on the lower portion of the left side of the first supporting rod (2) on the front side, the second clamping block (162) is arranged on the upper portion of the third supporting rod in a sliding mode, the bottom of the second clamping block (162) is in contact with the top of the supporting leg (1) on the front side, the pull block (163) is arranged on the left side of the second clamping block (162), and the seventh spring (164) is arranged between the second clamping block (162) and the third supporting rod (161).

8. A foldable desk and chair for convenient storage as claimed in claim 6, wherein: the right part of the pull rod (152) is sleeved with a rubber sheath.