CN209915301U

CN209915301U - Portable assembled table

Info

Publication number: CN209915301U
Application number: CN201920509934.6U
Authority: CN
Inventors: 刘田野; 葛晓梅; 王秀红
Original assignee: Zhengzhou University of Aeronautics
Current assignee: Zhengzhou University of Aeronautics
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-10
Anticipated expiration: 2029-04-16

Abstract

The utility model relates to a portable assembled table, which effectively solves the problems that the prior conference table is not convenient to carry, can not be assembled according to the number of participants and can not adjust the height of the table board from the ground; the technical scheme comprises the following steps: the first table of mutual rotation installation, the third table of second table and mutual rotation installation, the fourth table, between first table and the third table, through connecting pin connection between second table and the fourth table, and the table below is equipped with height-adjustable and can carry out folding supporting leg, fold first table and second table, third table and the fourth table of mutual rotation installation when not needing to use, be convenient for carry and take arbitrary occasion to assemble and use.

Description

Portable assembled table

Technical Field

The utility model relates to a portable equipment table belongs to portable carrier technical field.

Background

The traditional conference table is too heavy and cannot be changed once the size of the traditional conference table is made, most of the traditional conference tables are customized according to the space size of a conference room at present, so the limitation of the traditional conference table is greatly increased, and one set of conference table can only be suitable for the conference rooms with the same size and area, so the applicability of the traditional conference table is greatly lower; people often have a plurality of temporary meetings with different sizes in work and can develop the meetings on site, so that the site where the temporary meetings are carried out has larger uncertainty, the space of the table is affected by the area of the place and the flatness of the ground of the place is a big problem (if the flatness of the ground of the place is low after the assembled table is assembled, big and small pot holes exist, which causes the assembled table to be unstable, easy to shake and not beneficial to the meeting), the table with different sizes is needed to be used, therefore, conference tables with different specifications and sizes need to be purchased, the cost is increased virtually, and purchase more conference table and also increased the occupation of land space, be unfavorable for the going on of work, production, therefore we need provide an equipment table and solve above problem.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a portable assembly table, which can be folded when not in use, does not occupy redundant space, is formed by splicing a plurality of module units, can select a corresponding number of module units to assemble according to the number of participants or the area of the place where the participants are located, and each module unit is designed according to human engineering, thereby realizing perfect matching with human body; moreover, this equipment table height can be adjusted according to the demand, makes things convenient for the participant to expand the meeting, is equipped with self-adaptation height adjusting device in the supporting leg bottom, can compensate according to the height of every supporting leg and ground contact position relief alone for the comparatively level of whole equipment table, firm placing subaerial.

The specific technical scheme is as follows:

the portable assembled table is characterized by comprising a first table plate and a second table plate which are installed in a rotating fit mode, wherein a third table plate and a fourth table plate are respectively connected to the same sides of the first table plate and the second table plate in a pin joint mode through a first connecting pin, the third table plate and the fourth table plate are installed in a rotating fit mode, a first groove based on human engineering design is formed in the first table plate, the second table plate, the third table plate and the fourth table plate, slideways are respectively arranged on the bottom walls of the first groove and the second groove, a distance adjusting device is arranged in each slideway, two supporting legs which are hinged with each other are installed on each distance adjusting device in a rotating mode, the unfolding amplitude of the two supporting legs which are matched with each other can be adjusted through each distance adjusting device, the height of the table plates can be adjusted, racks are connected to the inner portions of the bottom ends of the supporting legs in a sliding mode, U-shaped frames are connected to the two side walls of the bottoms of the supporting legs, the rack is arranged at one end outside the supporting leg and is rotatably provided with a bottom plate, the two cantilever parts of the U-shaped frame perpendicular to the two cantilever parts are matched with an adjusting bolt rotatably arranged on the outer wall of the supporting leg through threads, the bottom part of the supporting leg is matched with the rack through threads, a positioning bolt is arranged at the matched part of the rack, and one end of the positioning bolt is abutted against the side wall of the rack in the supporting leg.

Preferably, the distance adjusting device comprises an adjusting screw rod rotatably installed in the slide way, the two ends of the slide way are transversely connected with L-shaped sliding blocks in a sliding mode, the L-shaped sliding blocks are in threaded fit with the adjusting screw rod, the thread directions of the adjusting screw rod and the two L-shaped sliding blocks in threaded fit are opposite, and the adjusting screw rod penetrates out of one end of the slide way and is fixed with an adjusting handle.

Preferably, a first rectangular cavity is formed in the transverse two ends of one side, matched with the second table, of the first table, a first moving block is arranged in the first rectangular cavity in a vertical sliding fit mode, a first adjusting bolt is rotatably mounted in the first rectangular cavity, the first adjusting bolt is in threaded fit with the first moving block, and the second table is rotatably mounted between the two first moving blocks.

Preferably, a second rectangular cavity is formed in the third table plate and is matched with the fourth table plate at two transverse ends of one side of the third table plate in a vertical sliding fit mode, a second moving block is arranged in the second rectangular cavity in a vertical sliding fit mode, a second adjusting bolt is rotatably mounted in the second rectangular cavity, the second adjusting bolt is in threaded fit with the second moving block, and the fourth table plate is rotatably mounted between the two second moving blocks.

Preferably, first table and third table cooperation position, second table and fourth table cooperation position are equipped with first cross shrinkage pool respectively, and two first cross shrinkage pool downthehole cooperations have first connecting pin and realize connecting the table that will mutually support through first connecting pin.

Preferably, a plurality of fifth tables are connected between the first table and the third table and between the second table and the fourth table through connecting first connecting pins, second-shaped concave holes are formed in the two transverse sides of each fifth table respectively, the fifth tables are connected through second connecting pins, and second grooves based on human engineering design are formed in the fifth tables.

Preferably, the sliding cavity and the sliding cavity which are arranged along the cross-shaped concave hole in the perpendicular direction are arranged at the positions, close to the cross-shaped concave hole, of the first table plate, the second table plate, the third table plate, the fourth table plate and the fifth table plate, are connected with positioning columns in the sliding cavity, springs are connected between the positioning columns and the bottom wall of the sliding cavity, and positioning holes matched with the positioning columns are formed in the first connecting pins and the second connecting pins.

The beneficial effects of the technical scheme are as follows:

(1) the utility model provides a portable assembly table which can be folded when not in use without occupying redundant space, the assembly table is formed by splicing a plurality of module units, the module units with corresponding number can be selected for assembly according to the number of the participants or the area of the place where the participants are located, furthermore, the height of the assembly table can be adjusted according to requirements, so that participants can conveniently unfold the conference, the bottom of the supporting leg is also provided with a height self-adaptive adjusting device, after the assembly of the assembly table is finished, if the topography of the contact part of one or more supporting legs and the ground is not on the same horizontal plane, the height self-adaptive adjusting device ensures that each supporting leg can be contacted with the ground stably, therefore, the tabletop of the assembly table is kept in a stable state, and the assembly table is placed more stably;

(2) in the scheme, each module unit is designed according to human engineering, perfect fit with a human body is achieved, so that the desktop of the participant can better support the arms of the participant when the participant is in a meeting, the participant can more relax and comfortably participate in the meeting, and the work efficiency of the participant is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic bottom view of the overall structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is a schematic view of the U-shaped frame of the present invention after being separated from the one-way gear;

FIG. 5 is a diagram illustrating the use of one embodiment of the present invention;

FIG. 6 is a schematic view of the fitting relationship between the support leg and the distance adjusting device of the present invention;

fig. 7 is a schematic diagram of the first table board and the second table board, and the third table board and the fourth table board of the present invention after being separated;

fig. 8 is a schematic view of the first table plate and the second table plate of the present invention after being separated;

fig. 9 is a schematic view of the first connecting pin and the second connecting pin of the present invention respectively cooperating with a fifth table;

fig. 10 is a schematic view of the fifth table plate of the present invention cooperating with the second connecting pin, the sliding cavity and the positioning post;

FIG. 11 is a schematic view of the relationship between the folded support leg and the first and second tables;

fig. 12 is a schematic view of the first table board and the second table board of the present invention after being folded;

fig. 13 is an effect diagram of another viewing angle after the first table board and the second table board are folded;

fig. 14 is a schematic view illustrating the first connecting pin of the present invention being separated from the two first cross-shaped concave holes.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 14. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Portable equipment table, a serial communication port, including the first table 1 of normal running fit installation, second table 2, first table 1, second table 2 homonymy has connected third table 3 through even first connecting pin 24 respectively, fourth table 4, normal running fit installation between third table 3 and the fourth table 4, be equipped with on first table 1, second table 2, third table 3, the fourth table 4 based on first recess 5 of human engineering design and diapire respectively, be equipped with distance adjusting device in the slide 6, rotate on the distance adjusting device and install two articulated supporting legs 7 each other, can realize adjusting the size of two supporting legs 7 expansion range of mutually supporting through this distance adjusting device and then realize adjusting the height of table, supporting leg 7 bottom internal sliding connection has rack 8, 7 bottom both sides wall rotates along being perpendicular to supporting leg 7 length direction sliding connection has U-shaped frame 9 and rotates and installs and meshes 8 mutually with rack 8 on the supporting leg 7 length direction The combined one-way gear 10, the rack 8 is arranged at one end outside the supporting leg 7 and is rotatably provided with a bottom plate 11, the U-shaped frame 9 is perpendicular to the two cantilever parts and is provided with an adjusting bolt 12 rotatably arranged on the outer wall of the supporting leg 7 through thread fit, the bottom of the supporting leg 7 is matched with the rack 8 through thread fit and is provided with a positioning bolt 13, and the positioning bolt 13 is arranged in the supporting leg 7 and is abutted against the side wall of the rack 8 at one end.

In the use of the embodiment, referring to fig. 12 and 13, in the initial state, the two tables rotatably mounted and matched with each other are in the folded state and the supporting legs 7 at the bottoms of the tables are also in the folded state, at this time, the tables and the supporting legs 7 in the folded and folded states are convenient to carry and can be conveniently moved to any required place for use as required; when the assembling table is needed to be used, a first table board 1 and a second table board 2 which are rotatably matched and installed are unfolded respectively, a third table board 3 and a fourth table board 4 which are rotatably matched and installed are unfolded, the first table board 1 and the third table board 3 are fixedly connected through a first connecting pin 24, a slide way 6 is arranged on the bottom wall of the table board, a distance adjusting device is arranged in the slide way, two supporting legs 7 which are hinged with each other are rotatably installed on the distance adjusting device, the distance between the two supporting legs 7 which are hinged with each other is adjusted through the distance adjusting device, so that the two supporting legs 7 which are hinged with each other are unfolded, the assembled table board is supported through the supporting legs 7 after being unfolded, the distance between the two supporting legs 7 which are hinged with each other can be adjusted through the distance adjusting device, and the unfolding amplitude of the two supporting legs 7 is controlled, the height of the table plate from the ground is further controlled, so that the height of the assembled table plate from the ground is adjustable, the assembled table can be suitable for chairs with different heights when being used together with the chairs, and the height of the table plate can be adjusted according to the heights of participants, so that the assembled table is higher in applicability;

after the table board is assembled and the supporting legs 7 are unfolded, if the terrain height of one or more supporting legs 7 and the ground contact part is different, the supporting leg 7 at the lower part of the terrain is in a suspended state, referring to the attached drawing 3, at this time, a positioning bolt 13 positioned on the supporting leg 7 is screwed, the positioning of the positioning bolt 13 on the rack 8 is released (when the positioning bolt 13 is screwed into the supporting leg 7 and is abutted against the side wall of the rack 8, the rack 8 is positioned), so that the rack 8 connected to the bottom of the supporting leg 7 in a sliding manner slides downwards along the supporting leg 7 and drives a one-way gear 10 meshed with the rack to rotate, and the rack 8 slides downwards along the supporting leg 7 until the bottom of the rack 8 is contacted with the ground, the support legs 7 are not slid downwards any more, because the rack 8 is arranged at one end outside the support legs 7 and is rotatably provided with the bottom plate 11, the support legs 7 are stably placed on the ground through the bottom plate 11, because of the special property of the one-way gear 10, the rack 8 can only continuously slide downwards along the just laid down support legs and can not slide upwards along the opposite direction, the rack 8 is firmly positioned at the position, if other support legs 7 are also in a suspended state, the adjustment can be realized through the above process, so that the bottoms of the support legs 7 can be firmly and stably contacted with the ground, the assembled table is placed more stably, if the support legs 7 need to be processed and folded, referring to the attached drawing 4, the U-shaped frame 9 is driven to slide along the direction vertical to the length of the support legs 7 by screwing the adjusting bolt 12 (referring to the side wall of the support legs 7 and the inner side of the cantilever of the U-, Chute) and then drive one-way gear 10 and rack 8 and break away from, better, we are equipped with the gliding rectangle slide opening 34 of cooperation one-way gear 10 along with U-shaped frame 9 on the supporting leg 7 lateral wall, when one-way gear 10 and rack 8 break away from back we slide rack 8 to supporting leg 7 in, reverse twist at this moment and twist adjusting bolt 12 and mesh one-way gear 10 once more with rack 8 again, twist subsequently and twist positioning bolt 13 and make positioning bolt 13 arrange supporting leg 7 in one end and contradict on rack 8 lateral wall, realize the location to rack 8.

Embodiment 2, on the basis of embodiment 1, apart from adjusting device including rotate install adjusting screw 14 in slide 6 and slide 6 in horizontal both ends sliding connection have L shape slider 15, for screw-thread fit and adjusting screw 14 screw-thread fit position screw thread opposite direction between L shape slider 15 and the adjusting screw 14, adjusting screw 14 wears out slide 6 one end and is fixed with adjustment handle 16.

This embodiment will be described in detail below as to how the distance adjustment means adjusts and deploys the two support legs 7 when in use; two L-shaped sliding blocks 15 are respectively in sliding fit with two inner ends of the slide rail 6, supporting legs 7 are rotatably mounted on the L-shaped sliding blocks 15, the middle parts of the two supporting legs 7 are hinged, adjusting screws 14 rotatably mounted in the slide rail 6 and the thread matching parts of the two L-shaped sliding blocks 15 are opposite in rotating direction, the two L-shaped hole blocks are driven to move in the opposite direction or in the opposite direction when the adjusting screws 14 are screwed through adjusting handles 16, the two supporting legs 7 are unfolded if the two L-shaped sliding blocks 15 are driven to move in the opposite direction, the two supporting legs 7 are folded and folded if the two L-shaped sliding blocks 15 are driven to move in the opposite direction, the distance between the two L-shaped sliding blocks 15 is further controlled by screwing the adjusting screws 14, the unfolding amplitude of the two supporting legs 7 is further controlled, and the height of the desk plate from the ground is adjusted.

Embodiment 3, on the basis of embodiment 1, a first rectangular cavity 17 is formed in each of the two transverse ends of the side, which is matched with the second table board 2, of the first table board 1, a first moving block 18 is vertically and slidably matched in the first rectangular cavity 17, a first adjusting bolt 19 is rotatably installed in the first rectangular cavity 17, the first adjusting bolt 19 is in threaded fit with the first moving block 18, and the second table board 2 is rotatably installed between the two first moving blocks 18.

When the embodiment is used, how the first table board 1 and the second table board 2 are folded will be described in detail below; referring to fig. 8, the second table 2 is rotatably installed between two first moving blocks 18 vertically and slidably connected in a first rectangular cavity 17, when the two table are required to be folded, a first adjusting bolt 19 is screwed to drive the first moving blocks 18 vertically and slidably connected in the first rectangular cavity 17 to slide upwards to the top wall of the first rectangular cavity 17, and at the moment, the second table 2 rotates around the two first moving blocks 18, so that the first table 1 and the second table 2 are folded, namely, the state shown in fig. 13 is realized; if the two tables need to be unfolded from the folded state, the first adjusting bolt 19 is screwed to drive the two first moving blocks 18 to slide downwards along the first rectangular cavity 17 until the two first moving blocks slide to contact the bottom wall of the first rectangular cavity 17, and at the moment, the second table 2 is rotated to be unfolded.

Embodiment 4, on the basis of embodiment 1, a second rectangular cavity 20 is formed in each of the two transverse ends of the side, which is matched with the fourth table 4, of the third table 3, a second moving block 21 is vertically and slidably matched in the second rectangular cavity 20, a second adjusting bolt 32 is rotatably installed in the second rectangular cavity 20, the second adjusting bolt 32 is in threaded fit with the second moving block 21, and the fourth table 4 is rotatably installed between the two second moving blocks 21.

When the embodiment is used, how the third table board 3 and the fourth table board 4 are folded will be described in detail below; referring to fig. 8, the fourth table plate 4 is rotatably installed between two second moving blocks 21 vertically and slidably connected in the second rectangular cavity 20, when the two table plates need to be folded, a second adjusting bolt 32 is screwed so as to drive the second moving blocks 21 vertically and slidably connected in the second rectangular cavity 20 to slide upwards to the top wall of the second rectangular cavity 20, and at this time, the fourth table plate 4 is rotated around the two second moving blocks 21, so that the third table plate 3 and the fourth table plate 4 are folded; if the two tables need to be unfolded from the folded state, the second adjusting bolt 32 is screwed to drive the two second moving blocks 21 to slide downwards along the second rectangular cavity 20 until the two second moving blocks slide to contact the bottom wall of the second rectangular cavity 20, and at the moment, the fourth table 4 is rotated to be unfolded.

Embodiment 5, on the basis of embodiment 1, the position that cooperates with each other of first table 1 and third table 3, second table 2 and fourth table 4 are equipped with first cross-shaped shrinkage pool 22 respectively, and two first cross-shaped shrinkage pools 22 are interior to be cooperated with first connecting pin 24 and realize connecting the table that will mutually support through first connecting pin 24.

When the embodiment is used, how the first table board 1 is connected with the third table board 3, and the second table board 2 is connected with the fourth table board 4 will be described in detail below; referring to fig. 8, first cross concave holes 22 are respectively formed in the matching positions of the first table board 1 and the third table board 3, and the matching positions of the second table board 2 and the fourth table board 4, first connecting pins 24 are matched in the two first cross concave holes 22, and how the first connecting pins 24 are matched and connected with the two first cross concave holes can be referred to fig. 14, and the first connecting pins 24 are respectively matched with the two first cross concave holes 22, so that the effect of connecting the two table boards together is achieved.

Embodiment 6, on the basis of embodiment 1, between first table 1 and the third table 3, connect a plurality of fifth tables 26 through even first connecting pin 24 between second table 2 and the fourth table 4, the horizontal both sides of fifth table 26 are equipped with the second chevron shape shrinkage pool 27 respectively and connect through second connecting pin 25 between a plurality of fifth tables 26, are equipped with the second recess 23 based on ergonomic design on the fifth table 26.

In the embodiment, preferably, a plurality of fifth tables 26 are additionally arranged between the first table 1 and the third table 3 and between the second table 2 and the fourth table 4, the fifth tables 26 are transversely provided with second cross-shaped concave holes at both sides and are connected with two adjacent fifth tables 26 through second connecting pins 25 (the second connecting pins 25 are inserted into two second cross-shaped concave holes of the adjacent fifth tables 26), the fifth tables 26 are connected with the first table 1, the second table 2, the third table 3 and the fourth table 4 through first connecting pins 24, as shown in fig. 1, in an embodiment of the embodiment, a plurality of fifth tables 26 are additionally arranged between the first table 1 and the third table 3 and between the second table 2 and the fourth table 4 (the number of the fifth tables 26 is added according to the size of the environment and the number of the participants), therefore, the expansibility of the assembled table is greatly increased, and the fifth table plate 26 is also provided with the second groove 23 designed based on ergonomics, so that the arms of the participants can be well supported, and the participants can more relax and comfortably participate in the conference as shown in the attached drawing 5.

Embodiment 7, on the basis of embodiment 6, be close to cross recess department in first table 1, second table 2, third table 3, fourth table 4, the fifth table 26 and be equipped with along the smooth chamber 28 and the smooth intracavity 28 sliding connection who sets up of perpendicular to cross recess and have a reference column 29, be connected with spring 30 between reference column 29 and the smooth chamber 28 diapire, be equipped with on first connecting pin 24 and the second connecting pin 25 with reference column 29 matched with locating hole 31.

In this embodiment, when in use, preferably, a sliding cavity 28 (the sliding cavity 28 is communicated with a corresponding cross concave hole) is arranged in the first table board 1, the second table board 2, the third table board 3, the fourth table board 4 and the fifth table board 26 near the cross concave hole, and the sliding cavity 28 is connected with a positioning column 29 in a sliding way, the first connecting pin 24 and the second connecting pin 25 are provided with positioning holes 31 matched with the positioning column 29, as shown in fig. 9, and the positioning column 29 is fixedly connected with a shifting rod 33, and the shifting rod 33 extends out of the sliding cavity 28, as shown in fig. 2, when in an initial state, the positioning column 29 extends out of the sliding cavity 28 under the action of a spring 30 and is placed in the cross concave hole, when the first connecting pin 24 and the second connecting pin 25 need to be inserted into the corresponding cross concave hole, the positioning column 29 is shifted by the shifting rod 33 to compress the spring 30 so that the positioning column 29 is retracted into the sliding cavity 28, the first connecting pin 24 or the second connecting pin 25 can be smoothly inserted into the cross concave hole, and the deflector rod 33 positioning column 29 is loosened to be inserted into the positioning hole 31 arranged on the first connecting pin 24 or the second connecting pin 25 under the action of the spring 30, so that the connecting pins can be positioned, the connecting pins can be better prevented from being withdrawn from the cross concave hole, and the assembled table is more stable and reliable.

The utility model provides a portable assembly table which can be folded when not in use without occupying redundant space, the assembly table is formed by splicing a plurality of module units, the module units with corresponding number can be selected for assembly according to the number of the participants or the area of the place where the participants are located, furthermore, the height of the assembly table can be adjusted according to requirements, and is convenient for participants to unfold a conference, the bottom of the supporting leg 7 is also provided with a height self-adaptive adjusting device, after the assembly of the assembly table is finished, if the terrain of the contact part of one or more supporting legs 7 and the ground is not on the same horizontal plane, the height self-adaptive adjusting device ensures that each supporting leg 7 can be contacted with the ground stably, therefore, the tabletop of the assembly table is kept in a stable state, and the assembly table is placed more stably;

in the scheme, each module unit is designed according to human engineering, perfect fit with a human body is achieved, so that the desktop of the participant can better support the arms of the participant when the participant is in a meeting, the participant can more relax and comfortably participate in the meeting, and the work efficiency of the participant is improved.

The above description is only for the purpose of illustration, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.

Claims

1. The portable assembled table is characterized by comprising a first table board (1) and a second table board (2) which are installed in a rotating fit manner, wherein the same sides of the first table board (1) and the second table board (2) are respectively connected with a third table board (3) and a fourth table board (4) through a first connecting pin (24), the third table board (3) and the fourth table board (4) are installed in a rotating fit manner, a first groove (5) based on human engineering design is arranged on the first table board (1), the second table board (2), the third table board (3) and the fourth table board (4), slide ways (6) are respectively arranged on the bottom walls of the first table board (1), the second table board (2), the third table board (3) and the fourth table board (4), a distance adjusting device is arranged in the slide ways (6), two support legs (7) which are hinged with each other are rotatably arranged on the distance adjusting device, the size of the expansion range of the two support legs (7) which are matched with each, supporting leg (7) bottom inside sliding connection has rack (8), supporting leg (7) bottom both sides wall rotates along perpendicular to supporting leg (7) length direction sliding connection has U-shaped frame (9) and installs one-way gear (10) with rack (8) meshing mutually, rack (8) are arranged in supporting leg (7) outer one end and are rotated and install bottom plate (11), two cantilever parts of U-shaped frame (9) perpendicular to have adjusting bolt (12) of rotation installation on supporting leg (7) outer wall through screw-thread fit, supporting leg (7) bottom and rack (8) cooperate the position to have positioning bolt (13) and positioning bolt (13) to arrange in supporting leg (7) one end butt in rack (8) lateral wall through screw-thread fit.

2. The portable assembly table as claimed in claim 1, wherein the distance adjusting device comprises an adjusting screw (14) rotatably mounted in the slide way (6), the two ends of the inner side of the slide way (6) are slidably connected with L-shaped sliders (15), the L-shaped sliders (15) are in threaded fit with the adjusting screw (14), the threaded fit positions of the adjusting screw (14) and the two L-shaped sliders (15) are opposite in thread direction, and an adjusting handle (16) is fixed at one end of the adjusting screw (14) penetrating through the slide way (6).

3. The portable assembly table as claimed in claim 1, wherein a first rectangular cavity (17) is formed in each of the two transverse ends of the side, matched with the second table plate (2), of the first table plate (1), a first moving block (18) is vertically and slidably matched in the first rectangular cavity (17), a first adjusting bolt (19) is rotatably installed in each first rectangular cavity (17), the first adjusting bolt (19) is in threaded fit with the first moving block (18), and the second table plate (2) is rotatably installed between the two first moving blocks (18).

4. The portable assembly table as claimed in claim 1, wherein a second rectangular cavity (20) is formed in each of the two transverse ends of the side, which is matched with the fourth table (4), of the third table (3), a second moving block (21) is vertically and slidably matched in the second rectangular cavity (20), a second adjusting bolt (32) is rotatably installed in the second rectangular cavity (20), the second adjusting bolt (32) is in threaded fit with the second moving block (21), and the fourth table (4) is rotatably installed between the two second moving blocks (21).

5. The portable assembled table as claimed in claim 1, wherein the first cross-shaped concave holes (22) are respectively formed at the matching parts of the first table board (1) and the third table board (3) and the matching parts of the second table board (2) and the fourth table board (4), the first connecting pins (24) are matched in the first cross-shaped concave holes (22), and the mutually matched table boards are connected through the first connecting pins (24).

6. The portable assembled table as claimed in claim 1, wherein a plurality of fifth table plates (26) are connected between the first table plate (1) and the third table plate (3) and between the second table plate (2) and the fourth table plate (4) through a first connecting pin (24), the fifth table plates (26) are respectively provided with a plurality of cross-shaped concave holes (27) at two lateral sides, the fifth table plates (26) are connected through a second connecting pin (25), and the fifth table plates (26) are provided with second grooves (23) designed based on ergonomics.

7. The portable assembly table as claimed in claim 6, wherein a sliding cavity (28) arranged perpendicular to the cross-shaped concave hole is formed in the first table board (1), the second table board (2), the third table board (3), the fourth table board (4) and the fifth table board (26) and close to the cross-shaped concave hole, a positioning column (29) is connected in the sliding cavity (28) in a sliding mode, a spring (30) is connected between the positioning column (29) and the bottom wall of the sliding cavity (28), and a positioning hole (31) matched with the positioning column (29) is formed in the connecting pin.