CN107736722B

CN107736722B - Semi-automatic folding table

Info

Publication number: CN107736722B
Application number: CN201711102112.8A
Authority: CN
Inventors: 李亚军; 陈晓平; 高海迪; 余昇
Original assignee: Ningbo University of Technology
Current assignee: Ningbo University of Technology
Priority date: 2017-11-10
Filing date: 2017-11-10
Publication date: 2021-01-26
Anticipated expiration: 2037-11-10
Also published as: CN107736722A

Abstract

The invention provides a semi-automatic folding table, and belongs to the technical field of folding tables. It has solved the problem that current folding table operation is hard and inconvenient to use. In the invention, the inner sleeve is inserted into the base in a threaded manner, a second gear is arranged at one end of the inner sleeve, a supporting plate is movably arranged on the inner sleeve, a bearing is arranged between the supporting plate and the inner sleeve, a motor is arranged on the supporting plate, a first gear meshed with the second gear is arranged on the motor, and an outer sleeve in threaded connection with the inner sleeve is arranged on the base.

Description

Semi-automatic folding table

Technical Field

The invention belongs to the technical field of folding tables and relates to a semi-automatic folding table.

Background

The folding table is a table with a folding function, and the folding function of the folding table can save the space occupied by the folding table, in the prior art, for example, the folding table with the publication number of CN 103355942 a comprises a table top and table legs, wherein the table legs are arranged at the lower side of the table top to play a role of supporting the table top; the desktop consists of a desktop A, a desktop B and a first hinge for connecting the desktop A and the desktop B; the desktop A and the desktop B can be in an unfolding state or a folding state under the action of the first hinge; the foldable table comprises a table top A, a table top B, a first hinge, a second hinge, a first hinge, a second hinge, a third hinge, a fourth hinge, a fifth hinge, a sixth hinge, a fifth hinge, a sixth hinge, a seventh hinge, a sixth hinge, a seventh hinge;

secondly, this folding table is folding and when expanding, all adopts manual operation can expand the desk, so, inconvenient people operate, and the operation is hard.

In addition, the folding table is not provided with a lifting mechanism, so that the folding table is inconvenient for people to use.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a semi-automatic folding table which is simple in structure, convenient to use, operate and labor-saving.

The purpose of the invention can be realized by the following technical scheme: a semi-automatic folding table comprising:

the base is movably provided with a support column;

the inner sleeve is inserted into the base in a threaded manner, a second gear is arranged at one end of the inner sleeve, a supporting plate is movably arranged on the inner sleeve, a bearing is arranged between the supporting plate and the inner sleeve, a motor is arranged on the supporting plate, a first gear meshed with the second gear is arranged on the motor, a lead screw is inserted into the inner thread of the inner sleeve, a transmission disc is arranged at one end of the lead screw, and a plurality of connecting rods are arranged on the transmission disc;

the main table plate is arranged at one end of the support column and provided with four edges, side table plates are movably arranged on each edge, a hinge mechanism is detachably connected between the main table plate and the side table plates, at least two secondary table plates are hinged between every two adjacent side table plates, and a turnover mechanism is arranged between each secondary table plate and the corresponding side table plate; a plurality of connecting columns are arranged between the main table plate and the supporting plate;

the folding mechanism is movably sleeved on the support column, a support rod is hinged between the folding mechanism and each side table plate, and the support column is also provided with an upper retaining ring and a lower retaining ring which are used for blocking the folding mechanism from moving along the axial direction of the support column; each connecting rod can be detachably connected to the folding mechanism.

In the semi-automatic folding table, the transmission disc is provided with a through hole for penetrating the connecting column; the base is provided with an outer sleeve which is in threaded connection with the inner sleeve.

In the above-mentioned semi-automatic folding table, folding mechanism includes the sliding sleeve, be equipped with the first arch that is used for articulated bracing piece on the sliding sleeve, every all be equipped with the second arch that is used for articulated bracing piece on the side table board.

In the semi-automatic folding table, the support column is provided with a plurality of guide rails for guiding the sliding sleeve to move axially, the sliding sleeve is provided with a sliding block movably inserted in the guide rails, and the sliding block is detachably connected to the connecting rod.

In the above-mentioned semi-automatic folding table, the hinge mechanism includes a first hinge detachably connected to the main table and a second hinge detachably connected to the side table, the first hinge is located at a side of the main table close to the support column, and the second hinge is located at a side of the side table close to the support column.

In the semi-automatic folding table, the first hinge is provided with at least two first cylinders for hinging the second hinge, the second hinge is provided with a second cylinder inserted between the two first cylinders, the first cylinder and the second cylinder are both provided with cylindrical holes, cylindrical pins are inserted into the cylindrical holes, and the main table plate is provided with arc grooves for mounting the first cylinder and the second cylinder.

In the semi-automatic folding table, the turnover mechanism comprises a boss arranged on the secondary table plate, the boss is integrally cylindrical, a groove for mounting the boss is formed in the side table plate, and a bolt for hinging the boss is arranged in the groove.

In the above semi-automatic folding table, the base comprises a bottom plate; one side of the bottom plate close to the main table plate, one side of the main table plate close to the bottom plate and one side of the secondary table plate close to the bottom plate are all square with the same area.

Compared with the prior art, the invention has the following beneficial effects:

1. in the invention, the inner sleeve is inserted into the base in a threaded manner, a second gear is arranged at one end of the inner sleeve, a supporting plate is movably arranged on the inner sleeve, a bearing is arranged between the supporting plate and the inner sleeve, a motor is arranged on the supporting plate, a first gear meshed with the second gear is arranged on the motor, and an outer sleeve in threaded connection with the inner sleeve is arranged on the base.

2. The one end of support column is located to main table, main table has four limits, every edge all activity is equipped with the side table, can dismantle between main table and the side table and be connected with loose-leaf mechanism, it has two at least sub-tables to articulate between two adjacent side tables, be equipped with tilting mechanism between every sub-table and the side table that corresponds, and folding mechanism movable sleeve locates on the support column, it has the bracing piece all to articulate between folding mechanism and every side table, and interior sleeve pipe internal thread inserts and is equipped with the lead screw, the one end of lead screw is equipped with the driving disc, be equipped with a plurality of connecting rods on the driving disc, every connecting rod all can dismantle and connect in folding mechanism, be equipped with a plurality of spliced poles between main table and the supporting disk, when people are in the transportation or when a minority person uses the desk, can overturn sub-table to the side table through tilting mechanism, afterwards, through interior sleeve pipe, the lead screw, The folding mechanism and the support rods are matched for use, and the four side table plates are folded, so that a small amount of articles can be placed on the main table plate by people, and the occupied space of the folding is reduced; when a plurality of people use the table or a large number of articles need to be placed, the secondary table and the side table are unfolded, so that the secondary table, the side table and the main table form a table top, a large number of articles can be placed on the table top, and the table is convenient for a plurality of people to use simultaneously.

3. Secondly, the invention adopts the matching use of the motor and the inner sleeve, the matching use of the inner sleeve and the outer sleeve and the matching use of the screw rod and the inner sleeve to realize the automation of the folding table, so that people can save more labor when operating the semi-automatic folding table.

Drawings

Fig. 1 is an expanded view of a semi-automatic folding table.

Fig. 2 is a folding view of the semi-automatic folding table.

Fig. 3 is a schematic view of the internal structure of the semi-automatic folding table.

Fig. 4 is a combination view of the inner sleeve and the motor.

Fig. 5 is a combination of a lead screw and a drive plate.

Fig. 6 is a schematic structural view of the sliding sleeve.

Fig. 7 is a combination view of the side table and the main table.

Fig. 8 is a combination view of the main table and the hinge mechanism.

Fig. 9 is an enlarged view of fig. 8 at B.

Fig. 10 is a combination view of the side table and the sub-table.

Fig. 11 is an enlarged view of fig. 10 at C.

Fig. 12 is an enlarged view of fig. 10 at D.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 12, a semi-automatic folding table of the present invention includes a base 100, a support column 200, an inner sleeve 300, a second gear 310, a support plate 320, a bearing 321, a motor 322, a first gear 322a, a screw 330, a transmission plate 340, a connection rod 341, a main table 400, a side table 500, a hinge mechanism 600, a sub-table 700, a turnover mechanism 800, a connection rod 323, a folding mechanism 900, a support rod 910, an upper retainer 210, and a lower retainer 220.

The inner sleeve 300 is inserted in the base 100 in a threaded manner, one end of the inner sleeve 300 is provided with a second gear 310, the inner sleeve 300 is movably provided with a supporting plate 320, a bearing 321 is arranged between the supporting plate 320 and the inner sleeve 300, so that the inner sleeve 300 rotates relative to the supporting plate 320 and the supporting plate 320 is prevented from touching the inner sleeve 300, the supporting plate 320 is provided with a motor 322, the motor 322 is provided with a first gear 322a meshed with the second gear 310, the inner thread of the inner sleeve 300 is inserted with a screw rod 330, one end of the screw rod 330 is provided with a driving disc 340, the driving disc 340 is provided with a plurality of connecting rods 341, the main table 400 is arranged at one end of the supporting column 200, the main table 400 is integrally square and has four edges, each edge is movably provided with a side table 500, a hinge mechanism 600 is detachably connected between the main table 400 and the side tables 500, and at least two sub tables, a turnover mechanism 800 is arranged between each secondary table board 700 and the corresponding side table board 500, a plurality of connecting columns 323 are arranged between the main table board 400 and the supporting disc 320, the folding mechanism 900 is movably sleeved on the supporting column 200, a supporting rod 910 is hinged between the folding mechanism 900 and each side table board 500, an upper retaining ring 210 and a lower retaining ring 220 for blocking the folding mechanism 900 from moving axially along the supporting column 200 are further arranged on the supporting column 200, and each connecting rod 341 can be detachably connected to the folding mechanism 900;

in the unfolding process of the semi-automatic folding table, the motor 322 is started, the first gear 322a rotates, the second gear 310 drives the inner sleeve 300 to rotate due to the engagement of the first gear 322a and the second gear 310, and at this time, the base 100 is stationary relative to the bottom surface, so that the inner sleeve 300 moves towards the direction away from the base 100, the supporting plate 320 is connected to the inner sleeve 300 through the bearing 321, so that the supporting plate 320 moves towards the direction away from the base 100, and a plurality of connecting columns 323 are arranged between the main table 400 and the supporting plate 320, so that the supporting plate 320 pushes the main table 400 to ascend, meanwhile, the screw rod 330 moves towards the direction close to the main table 400, the driving plate 340 is fixedly connected to the screw rod 330, and the driving plate 340 is in threaded connection with the folding mechanism 900, so that the screw rod 330 pushes the driving plate 340 and the folding mechanism 900 to ascend, one end of the supporting rod 910 is hinged to the, the four side table plates 500 are all turned around the corresponding hinge mechanisms 600 at the same time, when the folding mechanism 900 abuts against the upper baffle ring 210, the motor 322 stops rotating, at the moment, the support rod 910 supports the four side table plates 500, each side table plate 500 and the main table plate 400 are located on the same plane, and then two secondary table plates 700 between two adjacent side table plates 500 are turned over, so that the two secondary table plates 700 and the main table plate 400 are also located on the same plane, therefore, the main table plate 400, the side table plates 500 and the secondary table plates 700 are located on the same plane, the semi-automatic folding table is unfolded, further, people can place more objects on the table top, and the folding table is suitable for the situation that multiple people use the table at the same time; in the process of folding the semi-automatic folding table, the sub-table 700 is rotated around the turnover mechanism 800 to turn over the sub-table 700 to the corresponding side table 500, then the motor 322 is turned on, the first gear 322a is rotated in the reverse direction, the second gear 310 is engaged with the first gear 322a, the inner sleeve 300 is also rotated in the reverse direction, the base 100 is still relative to the ground all the time, the inner sleeve 300 is inserted into the base 100 by the screw thread, the support plate 320 is moved towards the base 100, the distance between the main table 400 and the base 100 is reduced, meanwhile, the screw 330 inserts the screw thread into the inner sleeve 300, the screw 330 drives the folding mechanism 900 to move towards the lower retaining ring 220 through the transmission plate 340, the side table 500 is turned over around the hinge mechanism 600, and when the folding mechanism 900 abuts against the lower retaining ring 220, the motor 322 stops working, the folding mechanism 900 does not move any more, at this moment, main table 400 is perpendicular to side table 500 for people can place a small amount of things on this main table 400, reduce this semi-automatic folding table occupation space, and secondly, when folding the semi-automatic folding table, the distance between main table 400 and the base 100 also reduces simultaneously, so, has made things convenient for people to this folding table's transportation.

The transmission disc 340 is provided with a through hole 342 for penetrating the connecting column 323, and the through hole 342 is arranged to prevent the connecting column 323 from touching the transmission disc 340, so that the connecting column 323 and the transmission disc 340 can work independently; be equipped with the outer tube 110 of interior sleeve pipe 300 of threaded connection on the base 100, when semi-automatic folding table expandes, interior sleeve pipe 300 moves out from outer tube 110 through the screw thread, the effect of rethread backup pad and spliced pole 323, increase the distance between main table 400 and the base 100, when semi-automatic folding table is folding, interior sleeve pipe 300 injects in outer tube 110 through the screw thread, the effect of rethread backup pad and spliced pole 323, reduce the distance between main table 400 and the base 100, secondly, make this semi-automatic folding table in the transportation, inner sleeve pipe 300 can be protected to outer tube 110.

As shown in fig. 1, 6 and 7, the folding mechanism 900 includes a sliding sleeve 920, a first protrusion 921 for hinging the support rod 910 is disposed on the sliding sleeve 920, a second protrusion 510 for hinging the support rod 910 is disposed on each side table 500, during installation, one end of the support rod 910 needs to be hinged to the first protrusion 921, and the other end of the support rod 910 needs to be hinged to the second protrusion 510, when the sliding sleeve 920 moves along the axial direction of the support column 200, the sliding sleeve 920 can drive the support rod 910 to move, so that the support rod 910 can drive the side table 500 to rotate around the hinge mechanism 600.

Furthermore, a plurality of guide rails 230 for guiding the sliding sleeve 920 to move axially are disposed on the supporting column 200, a sliding block 922 movably inserted into the guide rails 230 is disposed on the sliding sleeve 920, the sliding block 922 is detachably connected to the connecting rod 341, when installing, one needs to install the sliding sleeve 920 on the supporting column 200 and movably install the sliding block 922 in the corresponding guide rail 230, and then the connecting rod 341 is threadedly connected to the corresponding connecting rod 341, so that when the lead screw 330 is inserted into the inner sleeve 300 or moved out of the inner sleeve 300, because the driving disc 340 is fixedly connected to the lead screw 330, the connecting rod 341 is threadedly connected to the sliding block 922, the driving disc drives the sliding sleeve 920 to ascend or descend, and at this time, the sliding block 922 is always located in the guide rail 230, so that the sliding block 922 moves along the track of the corresponding guide rail 230, and further, the sliding sleeve also moves along the track 920 of the guide rails 230, thereby realizing that, thus, the working stability of the semi-automatic folding table is ensured.

As shown in fig. 8-9, the hinge mechanism 600 includes a first hinge 610 detachably connected to the main table 400 and a second hinge 620 detachably connected to the side table 500, the first hinge 610 is located at a side of the main table 400 close to the supporting pillar 200, the second hinge 620 is located at a side of the side table 500 close to the supporting pillar 200, specifically, at least two first cylinders 611 used for hinging the second hinge 620 are arranged on the first hinge 610, a second cylinder 621 inserted between the two first cylinders 611 is arranged on the second hinge 620, cylindrical holes 630 are respectively arranged in the first cylinder 611 and the second cylinder 621, a cylindrical pin 640 is inserted into the cylindrical hole 630, and an arc groove 410 for installing the first cylinder 611 and the second cylinder 621 is arranged on the main table 400, when installing, one needs to thread the first hinge 610 on the main table 400 and install the first cylinder 611 into the arc groove 410, thereafter, the second hinge 620 is screwed to the side table 500, and then the side table 500 is moved to insert the second cylinder 621 between the two first cylinders 611, such that the cylindrical holes 630 of the first cylinders 611 and the cylindrical holes 630 of the second cylinders 621 are aligned, and then the cylindrical pins 640 are inserted into the cylindrical holes 630 of the first cylinders 611 and the cylindrical holes 630 of the second cylinders 621, such that when the sliding sleeve 920 pushes the support rod 910 to move, the support rod 910 pushes the side table 500 to turn around the cylindrical pins 640; secondly, when the second cylinder 621 is inserted between the two first cylinders 611 and the cylinder hole 630 of the first cylinder 611 and the cylinder hole 630 of the second cylinder 621 are located on the same straight line, the second cylinder 621 is also installed in the arc groove 410, so that the second cylinder 621 and the first cylinder 611 are prevented from moving in a dislocation manner when the side table 500 is turned over, and the side table 500 can be stably turned over around the main table 400.

As shown in fig. 10 to 12, the turnover mechanism 800 includes a boss 810 disposed on the sub-table 700, the boss 810 is integrally cylindrical, a groove 520 for installing the boss 810 is formed in the side table 500, a pin 820 for hinging the boss 810 is disposed in the groove 520, during installation, a user needs to install the boss 810 in the groove 520 and insert the pin 820 into the boss 810, so that the sub-table 700 is hinged to the side table 500, and thus, when the user turns the sub-table 700, the sub-table 700 can be turned over around the pin 820.

As shown in fig. 2, the base 100 includes a bottom plate 120, and the bottom plate 120 is disposed to increase a contact area between the semi-automatic folding table and the ground, so that the semi-automatic folding table is more stable when placed on the ground; a side that the bottom plate 120 is close to main table 400, a side that main table 400 is close to bottom plate 120 and a side that secondary table 700 is close to bottom plate 120 all are the same square of area, so, when semi-automatic folding table is accomplished foldingly, bottom plate 120, main table 400 and four side tables 500 will constitute a square, so, reduce the occupation space of semi-automatic folding table after folding, thereby make things convenient for people to transport, secondly, beautify the outward appearance of this semi-automatic folding table.

The working principle of the invention is as follows:

the motor 322 is started, the first gear 322a drives the second gear 310 and the inner sleeve 300 to rotate at the same time, and at this time, the base 100 is stationary relative to the bottom surface, so that the inner sleeve 300 moves towards the direction away from the base 100, the supporting disc 320 is connected to the inner sleeve 300 through the bearing 321, so that the supporting disc 320 moves towards the direction away from the base 100, and the supporting disc 320 pushes the main table 400 to ascend through the connecting post 323, at the same time, the lead screw 330 moves towards the direction close to the main table 400, because the driving disc 340 is fixedly connected to the lead screw 330, the driving disc drives the sliding sleeve 920 to ascend through the threaded connection of the connecting rod 341 and the sliding block 922, one end of the supporting rod 910 is hinged to the first protrusion 921 of the sliding sleeve 920, and the other end thereof is hinged to the second protrusion 510 of the side table 500, so that the four side tables 500 are all turned over around the corresponding cylindrical pins, at this moment, the bracing piece 910 supports four side tables 500, and make every side table 500 all be located the coplanar with main table 400, afterwards, through bolt 820, two time tables 700 between two adjacent side tables 500 of upset, make two time tables 700 also be located the coplanar with main table 400, thus, main table 400, side table 500 and time table 700 all are located the coplanar, make this semi-automatic folding table expand, and then make people place more things on this desktop, make this semi-automatic folding table make things convenient for many people to use simultaneously, secondly, can let people when this semi-automatic folding table of operation, and is more laborsaving.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A semi-automatic folding table, comprising:

the base is movably provided with a support column;

the folding mechanism is movably sleeved on the support column, a support rod is hinged between the folding mechanism and each side table plate, and the support column is also provided with an upper retaining ring and a lower retaining ring which are used for blocking the folding mechanism from moving along the axial direction of the support column; each connecting rod can be detachably connected with the folding mechanism;

the transmission disc is provided with a through hole for penetrating the connecting column; the base is provided with an outer sleeve which is in threaded connection with the inner sleeve;

the folding mechanism comprises a sliding sleeve, first bulges used for hinging the supporting rods are arranged on the sliding sleeve, and second bulges used for hinging the supporting rods are arranged on each side table plate; the support column is provided with a plurality of guide rails for guiding the sliding sleeve to move axially, the sliding sleeve is provided with a sliding block movably inserted in the guide rails, and the sliding block is detachably connected with the connecting rod;

the hinge mechanism comprises a first hinge detachably connected to the main table and a second hinge detachably connected to the side table, the first hinge is positioned on one side of the main table close to the support column, and the second hinge is positioned on one side of the side table close to the support column; the first hinge is provided with at least two first cylinders for hinging the second hinge, the second hinge is provided with a second cylinder inserted between the two first cylinders, the first cylinder and the second cylinder are both provided with cylindrical holes, cylindrical pins are inserted in the cylindrical holes, and the main table board is provided with arc grooves for mounting the first cylinder and the second cylinder;

the transmission disc is fixedly connected with the screw rod and is in threaded connection with the folding mechanism; one end of the supporting rod is hinged to the folding mechanism, and the other end of the supporting rod is hinged to the side table plate.

2. The semi-automatic folding table as claimed in claim 1, wherein the turnover mechanism comprises a boss disposed on the sub-table, the boss is generally cylindrical, the side table is provided with a groove for mounting the boss, and a pin for hinging the boss is disposed in the groove.

3. A semi-automatic folding table as claimed in claim 1 wherein said base includes a floor; one side of the bottom plate close to the main table plate, one side of the main table plate close to the bottom plate and one side of the secondary table plate close to the bottom plate are all square with the same area.