CN112336052A

CN112336052A - Array type folding desk

Info

Publication number: CN112336052A
Application number: CN202011215242.4A
Authority: CN
Inventors: 王欢
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-02-09

Abstract

An array type folding desk comprising: a folding table top part, a telescopic folding table pocket part, a telescopic table leg part, a rotary stretching table and chair part and an electric starting part; one side of the folding table top part is rotatably arranged at the upper end of a side rod of the telescopic table leg part, and a telescopic folding table pocket part is movably arranged below the folding table top part; a rotary stretching table and chair is rotatably arranged inside the telescopic table leg part; the electric engine part is movably arranged on one side of the telescopic table leg part; the folding desktop part, the telescopic folding desk bag part, the telescopic desk leg part, the rotary stretching desk and chair part and the electric starting part are matched with each other to achieve the deformation of the whole desk; when the straight gear rotates, the short folded plate is driven to rotate, the short folded plate drives the long folded plate to rotate, and the right table leg is rotationally connected with the short folded plate, so that the right table leg moves towards the left table leg, and the effect of folding the table legs is achieved; the folding of the main body structure is realized, the whole volume is reduced, and the space is greatly saved.

Description

Array type folding desk

Technical Field

The invention relates to the technical field of school appliances, in particular to an array type folding desk.

Background

Nowadays, the school of society is many, such as colleges, primary schools and high schools, so the desks are used many; however, most of the existing desks are ordinary single desks or a plurality of desks, so that the desks at each time are inconvenient to carry and can only be carried singly, which is very inconvenient; moreover, for example, when cleaning the classroom, the desk is inconvenient to move and the cleaning is troublesome; what is needed is a desk that is easy to assemble, changeable in shape, foldable, and capable of being changed simultaneously with multiple desks.

Disclosure of Invention

Aiming at the problems, the invention provides an array type folding desk, wherein when an upper straight gear rod rotates, a desk board synchronous belt is driven to rotate; the table synchronous belt rotates to drive the table large pulley and the table small pulley to rotate, the table small pulley drives the left table to rotate, the left table rotates to drive the right table to rotate and fold, and therefore the effect of shrinking the tables is achieved.

The scheme of the invention is as follows: an array type folding desk comprising: a folding table top part, a telescopic folding table pocket part, a telescopic table leg part, a rotary stretching table and chair part and an electric starting part; one side of the folding table top part is rotatably arranged at the upper end of a side rod of the telescopic table leg part, and a telescopic folding table pocket part is movably arranged below the folding table top part; a rotary stretching table and chair is rotatably arranged inside the telescopic table leg part; the electric engine part is movably arranged on one side of the telescopic table leg part; the folding desktop part, the telescopic folding desk bag part, the telescopic desk leg part, the rotary stretching desk and chair part and the electric starting part are matched with each other to achieve the deformation of the whole desk; the three forms are adopted, and importantly, a plurality of desks can be connected, and the desk can be deformed by only one power.

Further, the folding table top section includes: the table comprises a right table plate, a left table plate, a small table plate pulley, a table plate synchronous belt and a large table plate pulley; the inner side of the right table plate is provided with a rotating rod, the inner side of the left table plate is provided with a rotating sleeve rod, and the right table plate and the left table plate are rotatably arranged; the outer side surface of the left table plate is also provided with a rotating rod, the rotating rod is rotatably connected with the table plate sleeve, and the small table plate pulley is fixedly arranged at the end part of the rotating rod; the large table pulley is rotatably arranged on a table pulley fixing rod of the telescopic table leg part; the table board synchronous belt covers the small table board pulley and the large table board pulley; the table board synchronous belt is meshed with the straight gear.

Further, the pocket part of the telescopic folding table comprises: a left table pocket plate, a right table pocket plate, a movable sliding plate and a fixed plate; the left table pocket plate and the right table pocket plate are connected through a one-way rotating shaft; clamping columns are arranged on the outer side surfaces of the left table pocket plate and the right table pocket plate, and one end of the movable sliding plate is in sliding and rotating fit with the clamping columns on the left table pocket plate and the right table pocket plate; the other end of the movable sliding plate is in rotating sliding fit with the clamping column on the fixed plate; the two fixing plates are fixedly arranged on the bottom surfaces of the right desk plate and the left desk plate respectively.

Further, the telescoping table leg section comprises: the table comprises a left table leg, a table cover, a table pulley fixing rod, an upper straight gear rod, a straight gear, an upper folding plate rod, an upper pulley rod, a lower pulley rod, a clamping column slotted hole, a sliding slotted hole, a lower straight gear rod, a lower folding plate rod, a bevel gear A, a right table leg, a metal rod, a straight gear A, an upper pulley rod A, a lower pulley rod B, an upper folding plate rod A, a metal rod A, a lower folding plate rod A and a short folding plate; the desk plate sleeve is fixedly arranged at the upper top end of the left desk leg; a table pulley fixing rod, an upper folding plate rod, an upper pulley rod, a lower pulley rod, a clamping column slotted hole, a sliding slotted hole, a lower straight gear rod and a lower folding plate rod are arranged on the left table leg; the upper straight gear rod is rotatably arranged on the side surface of the left table leg; the straight gear and the bevel gear A are fixedly arranged on the upper straight gear rod; the outer end of the short folded plate is provided with sawteeth, one end of the short folded plate close to the upper position is rotatably arranged on the upper folded plate rod and is meshed with the straight gear, and the other end of the short folded plate is rotatably connected with one end of the long folded plate; one end of the short folded plate close to the lower position is rotatably arranged on the lower folded plate rod and is meshed with the straight gear close to the lower position; the middle parts of the two long folded plates are rotationally connected through rotating screws; the outer ends of the two short folded plates close to the positions are respectively connected with the upper folded plate rod A and the lower folded plate rod A in a rotating way; the right table leg is provided with a metal rod, an upper folded plate rod A, an upper pulley rod A, a lower pulley rod B, a metal rod A, a lower folded plate rod A and a moving wheel slot hole; the straight gear A is rotatably arranged on the metal rod; the straight gear A near the upper position is meshed with the outer end of the short folded plate near the right position; a spur gear A at the test-down position is rotatably arranged on the metal rod A; the universal wheel is rotatably arranged in the slot hole of the movable wheel; the fixed chuck is slidably arranged in the middle of the side surface of the right desk leg; the ejector rod is slidably arranged in the sliding groove hole; the sliding plate is fixedly arranged at the bottom end of the ejector rod, penetrates through the sliding groove hole and extends to the outside to facilitate manual operation; the spring is fixedly connected with the bottom end of the ejector rod and the bottom end inside the sliding groove hole.

Further, the rotary stretching table and chair comprises: 0050. the fixed pulley, the table and chair loop bar, the table and chair plate, the turnover block, the table and chair leg and the driving pulley; the driving pulleys on the two sides are respectively and rotatably arranged on an upper pulley rod and an upper pulley rod A in the telescopic table leg part; the fixed pulley is fixedly arranged on one end of the sleeve rod of the table and the chair; 0050 rotatably matching with the driving pulley and the fixed pulley; 0050 meshing with the spur gear and spur gear A; the two desk and chair loop bars are respectively rotatably arranged in the middle grooves of the left desk leg and the right desk leg; the desk and chair plate is slidably arranged in the desk and chair loop bar; the turnover block is fixedly arranged on the side surface of the desk and chair plate; the table and chair supporting legs are rotatably arranged on the overturning block.

Further, the electric motor section includes: the electric starting part 0, a bevel gear B, a support rod, a bevel gear C, a bevel gear D and a fixed shell; the electric engine part 0 is fixedly installed in a groove in the fixed shell; the bevel gear B is fixedly arranged on a motor shaft of the electric starting part 0; one end of the supporting rod is rotatably arranged in a groove of the fixed shell, the other end of the supporting rod is fixedly connected with a bevel gear D, a bevel gear C is fixedly arranged on the supporting rod, the bevel gear C is movably meshed with a straight gear, and the bevel gear D is meshed with the bevel gear B.

Has the advantages that:

1. when the straight gear rotates, the short folded plate is driven to rotate, the short folded plate drives the long folded plate to rotate, and the right table leg is rotationally connected with the short folded plate, so that the right table leg moves towards the left table leg, and the effect of folding the table legs is achieved; the folding of the main body structure is realized, the whole volume is reduced, and the space is greatly saved.

2. The fixed clamping head is inserted into the clamping column in the clamping column slotted hole; simultaneously, the straight gear A is meshed with the other straight gear; thereby transmitting the power to the next desk; the effect that one motor drives a plurality of desks to fold and deform at the same time is achieved; the energy is greatly saved, meanwhile, convenience is provided for folding and unfolding the desk, and manpower and material resources are saved.

3. The table and chair loop bars are driven to rotate by the rotation of the fixed pulleys; the table and chair plate is arranged in the table and chair sleeve rod, the table and chair sleeve rod rotates to drive the table and chair plate to rotate, and when the table and chair plate rotates to the horizontal level, the table and chair supporting legs are always kept in a vertical state due to gravity; the table and chair legs are just contacted with the bottom surface to play a role in supporting the table and chair plate; manually pulling the table and chair plate outwards; thereby achieving the effect of deformation of the table and the chair; the table and chair integrated structure has the advantages that the table and chair integrated structure is realized, the space is greatly saved, and convenience is provided for cleaning.

Drawings

FIGS. 1-4 are schematic views of the overall structure and modified structure of the present invention;

FIG. 5 is a schematic view of a portion of a desktop according to the present invention;

FIG. 6 is a schematic view of a portion of the table of the present invention;

figure 7 is a partial view of the legs of the present invention;

FIG. 8 is a schematic view of a table and chair of the present invention;

fig. 9 is a schematic view of a part of the structure of the motor of the present invention.

Reference numerals: 1-folding the table top section; 2-a telescopic folding table pocket part; 3-telescoping leg sections; 4-rotating and stretching the desk and chair; 5-an electric motive portion; 101-right table board; 102-a left table; 103-a small desk pulley; 104-a table synchronous belt; 105-table board big pulley; 201-left table pocket plate; 202-right table pocket plate; 203-a movable sliding plate; 204-a fixed plate; 301-left table leg; 302-a table board sleeve; 303-fixing rod of desk pulley; 304-upper straight gear lever; 305-a spur gear; 306-upper flap lever; 307-upper pulley bar; 308-lower pulley bar; 309-clamp column slot; 310-sliding slot holes; 311-lower straight gear lever; 312-lower flap lever; 313-bevel gear a; 314-right table leg; 315-metal rod; 316-spur gear a; 317-upper pulley bar A; 318-lower pulley bar B; 319-upper flap lever A; 320-metal rod a; 321-lower flap lever A; 322-short folded plate; 323-long folded plate; 324-a rotating screw; 325-fixing the chuck; 326-moving wheel slot; 327-universal wheel; 328-a mandril; 329-a skateboard; 330-a spring; 401-table and chair synchronous belt; 402-a fixed pulley; 403-table and chair rods; 404-table and chair plate; 405-turning over the block; 406-table and chair legs; 407-a driving pulley; 501-50; 502-bevel gear B; 503-strut; 504-bevel gear C; 505-bevel gear D; 506 — fixing the housing.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, and fig. 9, an array type folding desk includes: the foldable table comprises a foldable table top part 1, a telescopic foldable table pocket part 2, a telescopic table leg part 3, a rotary stretching table and chair 4 and an electric engine part 5; one side of the folding table top part 1 is rotatably arranged at the upper end of a side rod of the telescopic table leg part 3, and a telescopic folding table pocket part 2 is movably arranged below the folding table top part 1; a rotary stretching table and chair 4 is rotatably arranged in the telescopic table leg part 3; the electric engine part 5 is movably arranged on one side of the telescopic table leg part 3; the folding desktop part 1, the telescopic folding desk pocket part 2, the telescopic desk leg part 3, the rotary stretching desk and chair 4 and the electric starting part 5 are matched with each other to achieve the deformation of the integral desk; the three forms are adopted, and importantly, a plurality of desks can be connected, and the desk can be deformed by only one power.

The folding table top section 1 comprises: the table comprises a right table plate 101, a left table plate 102, a small table plate pulley 103, a table plate synchronous belt 104 and a large table plate pulley 105; a rotating rod is arranged on the inner side of the right table plate 101, a rotating sleeve rod is arranged on the inner side of the left table plate 102, and the right table plate 101 and the left table plate 102 are rotatably installed; a rotating rod is also arranged on the outer side surface of the left table plate 102 and is rotatably connected with the table plate sleeve 302, and the small table plate pulley 103 is fixedly arranged at the end part of the rotating rod; the table board big pulley 105 is rotatably arranged on the table board pulley fixing rod 303 of the telescopic table leg part 3; the table board synchronous belt 104 covers the small table board pulley 103 and the large table board pulley 105; the table board synchronous belt 104 is meshed with the spur gear 305; when the upper straight gear rod 304 rotates, the table board synchronous belt 104 is driven to rotate; the table board synchronous belt 104 rotates to drive the table board large pulley 105 and the table board small pulley 103 to rotate, the table board small pulley 103 drives the left table board 102 to rotate, the left table board 102 rotates to drive the right table board 101 to rotate and fold, and therefore the effect of shrinking the table boards is achieved; when the gear rotates reversely, the effect of extending the desk plate is achieved.

In an alternative embodiment of the present invention, the pocket 2 of the telescopic folding table comprises, in addition to the same elements as in the previous embodiment: a left table pocket plate 201, a right table pocket plate 202, a movable sliding plate 203 and a fixed plate 204; the left table pocket plate 201 is connected with the right table pocket plate 202 through a one-way rotating shaft; clamping columns are arranged on the outer side surfaces of the left table pocket plate 201 and the right table pocket plate 202, and one end of the movable sliding plate 203 is in sliding and rotating fit with the clamping columns on the left table pocket plate 201 and the right table pocket plate 202; the other end of the movable sliding plate 203 is in rotating sliding fit with a clamping column on the fixed plate 204; the two fixing plates 204 are respectively fixedly arranged on the bottom surfaces of the right desk plate 101 and the left desk plate 102; when the right table board 101 and the left table board 102 are folded, the fixing board 204 is driven to move, the clamping columns of the movable sliding board 203 and the fixing board 204 and the clamping columns of the left table pocket board 201 and the right table pocket board 202 are in sliding fit, so that the left table pocket board 201 and the left table pocket board 201 are rotated and folded as well, and the effect of folding and contracting the table bucket is achieved.

In an alternative embodiment of this embodiment of the invention, the telescoping leg sections 3 include, in addition to the same components as the previous embodiment: the table comprises a left table leg 301, a table sleeve 302, a table pulley fixing rod 303, an upper spur gear rod 304, a spur gear 305, an upper folded plate rod 306, an upper pulley rod 307, a lower pulley rod 308, a clamping column slot hole 309, a sliding slot hole 310, a lower spur gear rod 311, a lower folded plate rod 312, a bevel gear A313, a right table leg 314, a metal rod 315, a spur gear A316, an upper pulley rod A317, a lower pulley rod B318, an upper folded plate rod A319, a metal rod A320, a lower folded plate rod A321 and a short folded plate 322; the table board sleeve 302 is fixedly arranged at the upper top end of the left table leg 301; a table pulley fixing rod 303, an upper folded plate rod 306, an upper pulley rod 307, a lower pulley rod 308, a clamping column slot hole 309, a sliding slot hole 310, a lower spur gear rod 311 and a lower folded plate rod 312 are arranged on the left table leg 301; the upper spur gear rod 304 is rotatably arranged on the side surface of the left table leg 301; a spur gear 305 and a bevel gear a313 are fixedly mounted on the upper spur gear rod 304; the outer end of the short folded plate 322 is provided with sawteeth, one end of the short folded plate 322 close to the upper position is rotatably arranged on the upper folded plate rod 306 and is mutually meshed with the spur gear 305, and the other end of the short folded plate 322 is rotatably connected with one end of the long folded plate 323; one end of the short flap 322 at the lower position is rotatably mounted on the lower flap rod 312 and is engaged with the spur gear 305 at the lower position; the middle parts of the two long folded plates 323 are rotatably connected through rotating screws 324; the outer ends of two short folded plates 322 close to the positions are respectively connected with an upper folded plate rod A319 and a lower folded plate rod A321 in a rotating way; the right table leg 314 is provided with a metal rod 315, an upper folded plate rod A319, an upper pulley rod A317, a lower pulley rod B318, a metal rod A320, a lower folded plate rod A321 and a movable wheel slot hole 326; a spur gear a316 is rotatably mounted on the metal rod 315; the straight gear A316 near the upper position is mutually meshed with the outer end of the short folded plate 322 near the right position; a spur gear A316 at the test-down position is rotatably arranged on the metal rod A320; the universal wheel 327 is rotatably installed in the moving wheel slot 326; the fixed chuck 325 is arranged in the middle of the side surface of the right desk leg 314 in a sliding way; the post rod 328 is slidably arranged in the sliding slot hole 310; the sliding plate 329 is fixedly arranged at the bottom end of the ejector rod 328, passes through the sliding slot hole 310 and extends to the outside to facilitate manual operation; the spring 330 is fixedly connected with the bottom end of the ejector rod 328 and the bottom end in the sliding slot hole 310; when the spur gear 305 rotates, the short folding plate 322 is driven to rotate, the short folding plate 322 drives the long folding plate 323 to rotate, and the right leg 314 is rotatably connected with the short folding plate 322, so that the right leg 314 moves towards the left leg 301, and the effect of folding the legs is achieved.

In an alternative embodiment of the invention, the rotary stretching table and chair 4 comprises, in addition to the same elements as the previous embodiment: 0050501, a fixed pulley 402, a desk and chair loop bar 403, a desk and chair plate 404, a turning block 405, a desk and chair leg 406 and a driving pulley 407; the driving pulleys 407 on both sides are rotatably mounted on the upper pulley bar 307 and the upper pulley bar a317 in the retractable leg part 3, respectively; the fixed pulley 402 is fixedly arranged at one end of a desk and chair loop bar 403; 0050501 are in rotational engagement with the drive pulley 407 and the fixed pulley 402; 0050501 intermesh with spur gear 305 and spur gear a 316; the two desk and chair rods 403 are respectively rotatably arranged in the middle grooves of the left desk leg 301 and the right desk leg 314; the desk and chair plate 404 is slidably mounted in the desk and chair loop bar 403; the turning block 405 is fixedly arranged on the side surface of the desk and chair plate 404; the table and chair legs 406 are rotatably arranged on the turning block 405; when the spur gear 305 and the spur gear a316 rotate, 0050501 is driven to rotate; 0050501 drives the driving pulley 407 and the fixed pulley 402 to rotate; the fixed pulley 402 rotates to drive the table and chair loop bar 403 to rotate; because the desk and chair plate 404 is arranged in the desk and chair sleeve rod 403, the desk and chair sleeve rod 403 rotates to drive the desk and chair plate 404 to rotate, and when the desk and chair plate 404 rotates to be horizontal, the desk and chair legs 406 always keep a vertical state due to gravity; the table and chair legs 406 just contact with the bottom surface to play a role of supporting the table and chair plate 404; manually pulling the table and chair plate 404 outward; thereby achieving the effect of deformation of the table and the chair.

In an alternative embodiment of the present invention, the electric motor section 5 includes, in addition to the same components as the previous embodiment: the electric motor part 50, a bevel gear B502, a support rod 503, a bevel gear C504, a bevel gear D505 and a fixed housing 506; the electric motor portion 50 is fixedly mounted in a recess in the stationary housing 506; a bevel gear B502 is fixedly mounted on a motor shaft of the motor-driven portion 50; one end of a supporting rod 503 is rotatably arranged in a groove of a fixed shell 506, the other end of the supporting rod 503 is fixedly connected with a bevel gear D505, a bevel gear C504 is fixedly arranged on the supporting rod 503, the bevel gear C504 is movably meshed with a straight gear 305, and the bevel gear D505 is meshed with a bevel gear B502; the electric motor part 5 can power the whole invention when the bevel gear C504 and the spur gear 305 are engaged with each other.

The working principle is as follows: the bevel gear B502 is driven to rotate by the electric engine part 50, the bevel gear B502 drives the two bevel gears D505 to rotate, and the two bevel gears D505 rotate in opposite directions; the bevel gear D505 rotates to drive the two bevel gears C504 to rotate; the two bevel gears C504 respectively drive the two bevel gears A313 to rotate, so that the bevel gears A313 rotate to drive the straight gears 305 to rotate; while the straight gear 305 rotates, the folding table top part 1, the telescopic folding table pocket part 2 and the telescopic table leg part 3 are driven to fold, and the rotary stretching table and chair 4 is driven to deform; thereby achieving the folding effect of the integral desk, and when the desk rotates in the opposite direction, achieving the stretching effect of the integral desk; when a plurality of arrays are arranged, the fixed clamping head 325 is inserted into the clamping column slot 309 to clamp the column; while intermeshing spur gear a316 with the other spur gear 305; thereby transmitting the power to the next desk; the effect that one motor drives a plurality of desks to fold and deform at the same time is achieved; however, when disassembly is desired, the sled 329 is manually pulled upward; the sliding plate 329 drives the ejector rod 328 to slide upwards, and the ejector rod 328 jacks up the chuck on the fixed chuck 325; the two desks can be separated, and the spring 330 has elasticity, so that after the sliding plate 329 is released, the ejector rod 328 is restored to the original shape due to the elasticity, and the reinsertion is not influenced, thereby the array can be repeatedly used.

Claims

1. An array type folding desk is characterized by comprising: a folding table top part (1), a telescopic folding table pocket part (2), a telescopic table leg part (3), a rotary stretching table and chair (4) and an electric engine part (5); one side of the folding table top part (1) is rotatably arranged at the upper end of a side rod of the telescopic table leg part (3), and a telescopic folding table pocket part (2) is movably arranged below the folding table top part (1); a rotary stretching table and chair (4) is rotatably arranged inside the telescopic table leg part (3); the electric engine part (5) is movably arranged on one side of the telescopic table leg part (3); the folding desk comprises a folding desktop part (1), a telescopic folding desk pocket part (2), telescopic desk leg parts (3), a rotary stretching desk and chair (4) and an electric starting part (5), which are matched with each other, so that the deformation of the whole desk is achieved; the three forms are adopted, and importantly, a plurality of desks can be connected, and the desk can be deformed by only one power.

2. An array type folding desk as claimed in claim 1, wherein the folding desk top part (1) comprises: the table comprises a right table plate (101), a left table plate (102), a small table plate pulley (103), a table plate synchronous belt (104) and a large table plate pulley (105); a rotating rod is arranged on the inner side of the left table plate (101), a rotating sleeve rod is arranged on the inner side of the left table plate (102), and the right table plate (101) and the left table plate (102) are rotatably installed; a rotating rod is also arranged on the outer side surface of the left table plate (102), the rotating rod is rotatably connected with a table plate sleeve (302), and a small table plate pulley (103) is fixedly arranged at the end part of the rotating rod; the large table pulley (105) is rotatably arranged on a table pulley fixing rod (303) of the telescopic table leg part (3); the table board synchronous belt (104) is used for coating the small table board pulley (103) and the large table board pulley (105); the table board synchronous belt (104) is meshed with the spur gear (305).

3. An array type folding desk as claimed in claim 1, wherein the telescopic folding desk pocket part (2) comprises: a left table pocket plate (201), a right table pocket plate (202), a movable sliding plate (203) and a fixed plate (204); the left table pocket plate (201) is connected with the right table pocket plate (202) through a one-way rotating shaft; clamping columns are arranged on the outer side surfaces of the left table pocket plate (201) and the right table pocket plate (202), and one end of the movable sliding plate (203) is in sliding and rotating fit with the clamping columns on the left table pocket plate (201) and the right table pocket plate (202); the other end of the movable sliding plate (203) is in rotating sliding fit with a clamping column on the fixed plate (204); the two fixing plates (204) are respectively fixedly arranged on the bottom surfaces of the right desk plate (101) and the left desk plate (102).

4. An array folding desk as claimed in claim 1 wherein the telescoping leg sections (3) comprise: the table comprises a left table leg (301), a table cover (302), a table pulley fixing rod (303), an upper straight gear rod (304), a straight gear (305), an upper folding plate rod (306), an upper pulley rod (307), a lower pulley rod (308), a clamping column slotted hole (309), a sliding slotted hole (310), a lower straight gear rod (311), a lower folding plate rod (312), a bevel gear A (313), a right table leg (314), a metal rod (315), a straight gear A (316), an upper pulley rod A (317), a lower pulley rod B (318), an upper folding plate rod A (319), a metal rod A (320), a lower plate rod A (321) and a short folding plate (322); the table board sleeve (302) is fixedly arranged at the upper top end of the left table leg (301); a table pulley fixing rod (303), an upper folding plate rod (306), an upper pulley rod (307), a lower pulley rod (308), a clamping column slotted hole (309), a sliding slotted hole (310), a lower straight gear rod (311) and a lower folding plate rod (312) are arranged on the left table leg (301); the upper straight gear rod (304) is rotatably arranged on the side surface of the left table leg (301); a straight gear (305) and a bevel gear A (313) are fixedly arranged on an upper straight gear rod (304); the outer end of the short folded plate (322) is provided with sawteeth, one end of the short folded plate (302) close to the upper position is rotatably arranged on the upper folded plate rod (306) and is mutually meshed with the straight gear (305), and the other end of the short folded plate is rotatably connected with one end of the long folded plate (323); one end of a short folded plate (322) at the lower position is rotatably arranged on the lower folded plate rod (312) and is meshed with a straight gear (305) at the lower position; the middle parts of the two long folded plates (323) are rotationally connected through a rotating screw (324); the outer ends of two short folded plates (322) close to the positions are respectively connected with an upper folded plate rod A (319) and a lower folded plate rod A (321) in a rotating way; a metal rod (315), an upper folded plate rod A (319), an upper pulley rod A (317), a lower pulley rod B (318), a metal rod A (320), a lower folded plate rod A (321) and a moving wheel slot hole (326) are arranged on the right desk leg (314); a spur gear A (316) is rotatably arranged on the metal rod (315); a straight gear A (316) near the upper position is meshed with the outer end of a short folded plate (322) near the right position; a spur gear A (316) at the test-down position is rotatably arranged on the rod A (320); the universal wheel (327) is rotatably arranged in the moving wheel slotted hole (326); the fixed chuck (325) is arranged in the middle of the side surface of the right desk leg (314) in a sliding way; the ejector rod (328) is arranged in the sliding groove hole (310) in a sliding way; the sliding plate (329) is fixedly arranged at the bottom end of the mandril (328), passes through the sliding slotted hole (310) and extends to the outside to facilitate manual operation; the spring (330) is fixedly connected with the bottom end of the ejector rod (328) and the bottom end in the sliding slotted hole (310).

5. An array folding desk as claimed in claim 1 wherein said rotary stretching of the desk and chair (4) comprises: 0050(501), a fixed pulley (402), a table and chair sleeve rod (403), a table and chair plate (404), a turning block (405), a table and chair leg (406) and a driving pulley (407); the driving pulleys (407) at the two sides are respectively and rotatably arranged on an upper pulley rod (307) and an upper pulley rod A (317) in the telescopic leg part (3); the fixed pulley (402) is fixedly arranged at one end of a sleeve rod (403) of the table and the chair; 0050(501) in rotational cooperation with the driving pulley (407) and the fixed pulley (412); 0050(501) intermeshing with the spur gear (305) and the spur gear a (316); the two table and chair loop bars (403) are respectively rotatably arranged in the middle grooves of the left table leg (301) and the right table leg (314); the desk and chair plate (404) is slidably arranged in the desk and chair loop bar (403); the overturning block (405) is fixedly arranged on the side surface of the desk and chair plate (404); the table and chair leg (406) is rotatably mounted on the turning block (405).

6. The array type folding desk of claim 1, wherein the desk comprises a desk body,

the electric motor section (5) comprises: an electric motor part (5)0, a bevel gear B (502), a support rod (503), a bevel gear C (504), a bevel gear D (505) and a fixed shell (506); the electric engine part (5)0 is fixedly arranged in a groove in the fixed shell (506); a bevel gear B (502) is fixedly arranged on a motor shaft of the electric motor part (5) 0; one end of a supporting rod (503) is rotatably arranged in a groove of a fixed shell (506), the other end of the supporting rod (503) is fixedly connected with a bevel gear D (605), a bevel gear C (504) is fixedly arranged on the supporting rod (503), the bevel gear C (504) is movably meshed with a straight gear (305), and the bevel gear D (505) is meshed with the bevel gear B (502).