CN107736722A - A kind of semi-automatic folding table - Google Patents

Abstract

The invention provides a semi-automatic folding table, which belongs to the technical field of folding tables. The utility model solves the problems of laborious operation and inconvenient use of the existing folding tables. In the present invention, the inner sleeve is threadedly inserted into the base, and one end of the inner sleeve is provided with a second gear, and a support plate is movable on the inner sleeve, and a bearing is provided between the support plate and the inner sleeve to support The disc is provided with a motor, the motor is provided with a first gear meshed with the second gear, and the base is provided with an outer sleeve threadedly connected to the inner sleeve, so that when the motor rotates, the main table board passes through the first gear and the second gear. The cooperation of the two gears, the cooperation of the inner sleeve and the outer sleeve increases or decreases the distance between the main table and the base, making the semi-automatic folding table convenient for people of different heights to use. Secondly, the present invention adopts the motor and the inner The coordinated use of the sleeve, the coordinated use of the inner sleeve and the outer sleeve, and the coordinated use of the screw rod and the inner sleeve allow people to save more effort when operating the semi-automatic folding table.

Description

A 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 technique

Folding table is a table with folding function. Through its own folding function, it saves the space occupied by the folding table. In the current technology, for example, the publication number is CN 103355942 A. , the table legs are arranged on the underside of the desktop to support the desktop; the desktop is composed 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 The desktop B can be in the expanded state or the closed state under the action of the first hinge; the desktop A and the desktop B are respectively connected with table legs A and table legs B through the second hinge, and the table legs A or the table The legs B can also be attached to the desktop corresponding to it respectively. Although the folding table can realize the folding function of the folding table through the first hinge and the second hinge, when the folding table is in use, It is necessary to unfold the desktop A and desktop B through the first hinge, and then unfold the corresponding table leg A and table leg B through the second hinge, so that the folding table can be used normally. When people want to place a small amount of items, It is necessary to pass the first hinge and the second hinge to place items on the desktop A or desktop B, and at this time, the desktop B or desktop A without items will be empty, causing the folding table to take up space and is not easy for people to operate ;

Secondly, when the folding table is folded and unfolded, manual operations are required to unfold the table, which is inconvenient for people to operate, and the operation is laborious.

In addition, the folding table does not have a lifting mechanism, which is inconvenient for people to use.

Contents of the invention

The object of the present invention is to solve the above-mentioned problems in the existing technology, and propose a semi-automatic folding table with simple structure, convenient use, convenient operation and labor saving.

The purpose of the present invention can be achieved through the following technical solutions: a semi-automatic folding table, comprising:

A base, on which a support column is movable;

The inner sleeve is threadedly inserted into the base, a second gear is provided at one end of the inner sleeve, a support plate is movable on the inner sleeve, and a bearing is provided between the support plate and the inner sleeve, The support plate is provided with a motor, the motor is provided with a first gear meshing with the second gear, a screw rod is inserted into the inner thread of the inner casing, and a transmission disc is provided at one end of the screw rod, so A plurality of connecting rods are arranged on the transmission plate;

The main table is located at one end of the supporting column, the main table has four sides, each side is provided with a side table, and a loose-leaf mechanism is detachably connected between the main table and the side table, At least two sub-tables are hinged between two adjacent side table boards, and a turning mechanism is provided between each said sub-table board and the corresponding side table board; There are multiple connecting columns;

The folding mechanism is movably sleeved on the support column, and a support rod is hinged between the folding mechanism and each side table board, and an upper stop for preventing the folding mechanism from moving along the axial direction of the support column is also provided on the support column ring and the lower stop ring; each of the connecting rods can be detachably connected to the folding mechanism.

In the aforementioned semi-automatic folding table, the transmission plate is provided with a perforation for passing through the connecting column; the base is provided with an outer sleeve threadedly connected to the inner sleeve.

In the above-mentioned semi-automatic folding table, the folding mechanism includes a sliding sleeve, the sliding sleeve is provided with a first protrusion for hinged support rods, and each of the side tables is provided with a hinged support rod. of the second bump.

In the above-mentioned semi-automatic folding table, a plurality of guide rails for guiding the axial movement of the sliding sleeve are provided on the support column, and the sliding sleeve is provided with a slider movably inserted in the guide rail. The block is detachably attached to the connecting rod.

In the aforementioned semi-automatic folding table, the hinge mechanism includes a first hinge that is detachably connected to the main table and a second hinge that is detachably connected to the side table, and the first hinge is located near the support of the main table. One side of the column, the second hinge is located on the side of the side table close to the support column.

In the above-mentioned semi-automatic folding table, at least two first cylinders for hinged second hinges are provided on the first hinge, and the second hinge is provided on the second hinge to be inserted between the two first cylinders. Two cylinders, the first cylinder and the second cylinder are provided with cylinder holes, the cylinder pins are inserted in the cylinder holes, and the main table is provided with arcs for installing the first cylinder and the second cylinder groove.

In the above-mentioned semi-automatic folding table, the turning mechanism includes a boss arranged on the secondary table, the boss is cylindrical as a whole, and a groove for installing the boss is opened on the side table, A pin for hinged boss is arranged in the groove.

In the aforementioned semi-automatic folding table, the base includes a bottom plate; the side of the bottom plate close to the main table, the side of the main table close to the bottom, and the side of the secondary table close to the bottom are all squares with the same area. .

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

1. In the present invention, the inner sleeve is threadedly inserted into the base, and one end of the inner sleeve is provided with a second gear, and a support plate is movable on the inner sleeve, and a bearing is provided between the support plate and the inner sleeve , the support plate is provided with a motor, the motor is provided with a first gear meshing with the second gear, and the base is provided with an outer casing threadedly connected to the inner casing, so that when the motor rotates, the main table board passes through the first gear The cooperation with the second gear and the cooperation between the inner casing and the outer casing increase or decrease the distance between the main table and the base, making the semi-automatic folding table convenient for people of different heights to use.

2. The main table is set at one end of the support column. The main table has four sides, and each side is provided with a side table. The main table and the side table are detachably connected with a hinge mechanism. There are at least two sub-tables hinged between each side table, and an overturn mechanism is provided between each sub-table and the corresponding side table, and the folding mechanism is movably sleeved on the support column, and the folding mechanism is connected to each side Support rods are hinged between the table boards, and a screw rod is inserted into the inner thread of the inner casing. One end of the screw rod is provided with a transmission disc, and a plurality of connecting rods are arranged on the transmission disc. Each connecting rod can be detachably connected to the Folding mechanism, there are multiple connecting columns between the main table board and the support plate. When people are transporting or a small number of people use the table, the secondary table board can be turned over to the side table board through the turning mechanism. After that, through the inner sleeve , screw rods, transmission discs, connecting rods, folding mechanism and support rods are used together to fold the four side table boards, so that people can place a small amount of items on the main table board and reduce the space occupied by the folding; And when many people use it at the same time or need to place a large number of items, you only need to unfold the secondary table and the side table, so that the secondary table, the side table and the main table form a desktop, so that a large number of items can be placed on the desktop, And it is convenient for multiple people to use at the same time.

3. Secondly, the present invention adopts the cooperative use of the motor and the inner casing, the cooperative use of the inner casing and the outer casing, and the cooperative use of the screw rod and the inner casing to realize the automation of the folding table, so that people can operate the semi-automatic folding table , save effort.

Description of drawings

Figure 1 is an expanded view of the semi-automatic folding table.

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

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

Fig. 4 is a combination diagram of the inner casing and the motor.

Fig. 5 is a combination diagram of the screw mandrel and the drive disc.

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

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

Fig. 8 is a combination diagram of the main table board and the loose-leaf mechanism.

FIG. 9 is an enlarged view at B of FIG. 8 .

Fig. 10 is a combination diagram of the side table board and the sub table board.

FIG. 11 is an enlarged view at C of FIG. 10 .

FIG. 12 is an enlarged view at D of FIG. 10 .

detailed description

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Figures 1-12, 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 wire Rod 330, transmission disc 340, connecting rod 341, main table 400, side table 500, loose-leaf mechanism 600, secondary table 700, turning mechanism 800, connecting column 323, folding mechanism 900, support rod 910, upper retaining ring 210 And the lower stop ring 220.

The inner sleeve 300 is threadedly inserted into the base 100, and one end of the inner sleeve 300 is provided with a second gear 310, and a support plate 320 is movable on the inner sleeve 300, and a support plate 320 is provided between the support plate 320 and the inner sleeve 300 Bearing 321, so that the inner sleeve 300 rotates relative to the support disc 320, and prevent the support disc 320 from touching the inner sleeve 300, the support disc 320 is provided with a motor 322, and the motor 322 is provided with a gear that meshes with the second gear 310 The first gear 322a, the internal thread of the inner casing 300 is inserted with a screw rod 330, one end of the screw rod 330 is provided with a transmission disc 340, and the transmission disc 340 is provided with a plurality of connecting rods 341, and the main table board 400 is arranged on the support column 200, the main table 400 is square as a whole and has four sides, and a side table 500 is movable on each side, and a loose-leaf mechanism 600 is detachably connected between the main table 400 and the side table 500. At least two sub-tables 700 are hinged between two adjacent side table boards 500, and an overturn mechanism 800 is provided between each sub-table board 700 and the corresponding side table board 500. A plurality of connecting columns 323 are provided in between, and the folding mechanism 900 is movably sleeved on the supporting column 200. A supporting bar 910 is hinged between the folding mechanism 900 and each side table 500, and a supporting column 200 is also provided with a function to prevent folding. The upper stop ring 210 and the lower stop ring 220 of the mechanism 900 move axially along the support column 200, and each connecting rod 341 can be detachably connected to the folding mechanism 900;

During the unfolding process of the semi-automatic folding table, the motor 322 starts, and the first gear 322a rotates. Because the first gear 322a meshes with the second gear 310, the second gear 310 drives the inner sleeve 300 to rotate, and at this time the base 100 is relatively The bottom surface is still, so that the inner sleeve 300 moves away from the base 100, and the support plate 320 is connected to the inner sleeve 300 through the bearing 321, so that the support plate 320 moves away from the base 100, and the main table board 400 and the support plate 320 A plurality of connecting columns 323 are arranged between them, so that the support plate 320 pushes the main table 400 to rise, at the same time, the screw rod 330 moves toward the direction close to the main table 400, and the transmission plate 340 is fixedly connected to the screw rod 330, and drives The disc 340 is screwed to the folding mechanism 900, so that the screw rod 330 pushes the transmission disc 340 and the folding mechanism 900 to rise, and one end of the support rod 910 is hinged to the folding mechanism 900, and the other end is hinged to the side table 500, so that the four side tables The boards 500 are turned around the corresponding loose-leaf mechanism 600 at the same time, and when the folding mechanism 900 is against the upper stop ring 210, the motor 322 stops rotating. At this time, the support rod 910 supports the four side table boards 500, and makes each side table The boards 500 are all located on the same plane as the main table board 400, after that, the two sub table boards 700 between the two adjacent side table boards 500 are turned over so that the two sub table boards 700 are also located on the same plane as the main table board 400 In this way, the main table board 400, the side table board 500 and the secondary table board 700 are all located on the same plane, so that the semi-automatic folding table can be unfolded, so that people can place more things on the table top, making the folding table suitable for In the case of multiple people using at the same time; in the process of folding the semi-automatic folding table, the secondary table 700 needs to be rotated around the turning mechanism 800 first, so that the secondary table 700 is turned over to the corresponding side table 500, and then the motor 322 is turned on , and let the first gear 322a rotate in the reverse direction, because the second gear 310 meshes with the first gear 322a, the inner sleeve 300 also rotates in the reverse direction, and the base 100 is always stationary relative to the ground, so that the inner sleeve 300 is threaded into the into the base 100, so that the support plate 320 moves toward the base 100, thereby reducing the distance between the main table board 400 and the base 100, at the same time, the threaded rod 330 is inserted into the inner sleeve 300, so that the wire The rod 330 drives the folding mechanism 900 to move toward the lower retaining ring 220 through the drive plate 340, so that the side table 500 turns over around the loose-leaf mechanism 600, and when the folding mechanism 900 is against the lower retaining ring 220, the motor 322 stops working, and the folding mechanism 900 No longer move, at this time, the main table 400 is perpendicular to the side table 500, so that people can place a small amount of things on the main table 400, reducing the space occupied by the semi-automatic folding table, secondly, the semi-automatic folding table When it is folded, the distance between the main table board 400 and the base 100 is also reduced, which facilitates the transportation of the folding table.

The transmission plate 340 is provided with a perforation 342 for piercing the connecting column 323. The setting of the perforation 342 prevents the connecting column 323 from touching the transmission plate 340, so that the connecting column 323 and the transmission plate 340 can work independently of each other; The outer sleeve 110 of the inner sleeve 300 is threaded. When the semi-automatic folding table is unfolded, the inner sleeve 300 moves out of the outer sleeve 110 through the thread, and then through the action of the support plate and the connecting column 323, the main table board 400 and the base are added. The distance between 100, when the semi-automatic folding table is folded, the inner sleeve 300 is inserted into the outer sleeve 110 through threads, and then the distance between the main table board 400 and the base 100 is reduced by the action of the support plate and the connecting column 323 Secondly, the outer sleeve 110 can protect the inner sleeve 300 during the transportation of the semi-automatic folding table.

As shown in Fig. 1, Fig. 6 and Fig. 7, the folding mechanism 900 includes a sliding sleeve 920, the sliding sleeve 920 is provided with a first protrusion 921 for hinged support rod 910, and each side table 500 is provided with a first protrusion 921 for hinged The second protrusion 510 of the support rod 910, when installing, people need to hinge one end of the support rod 910 to the first protrusion 921, and the other end of the support rod 910 to hinge to the second protrusion 510, when the sliding sleeve 920 slides along the support column When the 200 moves in the axial direction, 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 .

Further, a plurality of guide rails 230 for guiding the axial movement of the sliding sleeve 920 are provided on the support column 200, and the sliding sleeve 920 is provided with a sliding block 922 movably inserted in the guide rail 230, and the sliding block 922 is detachably connected to the connection. Rod 341, when installing, people need to install the sliding sleeve 920 on the support column 200, and make the slider 922 movably installed in the corresponding guide rail 230, after that, the connecting rod 341 is screwed on the corresponding connecting rod 341, so, When the screw rod 330 is inserted into the inner casing 300 or moved out of the inner casing 300, because the transmission disc 340 is fixedly connected to the screw rod 330, the screw connection between the connecting rod 341 and the slider 922 makes the transmission disc drive the sliding sleeve 920 rises or falls, and at this time, the slider 922 is always located in the guide rail 230, so that the slider 922 moves along the track of the corresponding guide rail 230, and then the sliding sleeve 920 also moves along the track of the guide rail 230, thereby realizing the sliding sleeve 920 Always move along the axial direction of the support column 200, thus ensuring the working stability of the semi-automatic folding table.

As shown in FIGS. 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 on the main table 400 Close to the side of the support column 200, the second hinge 620 is located on the side of the side table 500 close to the support column 200, specifically, the first hinge 610 is provided with at least two first cylinders 611 for hinged second hinge 620 , the second leaflet 620 is provided with a second cylinder 621 interposed between the two first cylinders 611, a cylinder hole 630 is opened in the first cylinder 611 and the second cylinder 621, and a cylinder hole 630 is inserted in the cylinder hole 630 The cylindrical pin 640, and the main table 400 is provided with an arc groove 410 for installing the first cylinder 611 and the second cylinder 621. During installation, people need to thread the first hinge 610 on the main table 400, and make The first cylinder 611 is installed in the arc groove 410, after that, the second loose leaf 620 is screwed on the side table 500, after that, the side table 500 is moved, and the second cylinder 621 is inserted between the two first cylinders 611 , and make the cylinder hole 630 of the first cylinder 611 and the cylinder hole 630 of the second cylinder 621 on the same straight line, then insert the cylinder pin 640 into the cylinder hole 630 of the first cylinder 611 and the cylinder hole of the second cylinder 621 630, in this way, when the sliding sleeve 920 pushes the support rod 910 to move, the support rod 910 will push the side table board 500 to turn around the cylindrical pin 640; secondly, when the second cylinder 621 is inserted between the two first cylinders 611 , and when 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, thus avoiding the side table 500 when turning over , the second cylinder 621 and the first cylinder 611 are shifted, so that the side table 500 can stably turn around the main table 400 .

As shown in Figures 10-12, the turning mechanism 800 includes a boss 810 arranged on the secondary table 700. The boss 810 is cylindrical in shape as a whole, and the side table 500 is provided with a groove 520 for installing the boss 810. The groove 520 is provided with a latch 820 for hinged boss 810. During installation, people need to install the boss 810 in the groove 520 and insert the latch 820 into the boss 810, so that the secondary table 700 is hinged on the The side table 500 is so that when people turn over the second table 700 , the second table 700 can turn around the latch 820 .

As shown in Figure 2, the base 100 includes a base plate 120, the setting of the base plate 120 increases the contact area between the semi-automatic folding table and the ground, making the semi-automatic folding table more stable when placed on the ground; the base plate 120 is close to the main table One side of 400, one side of the main table 400 close to the bottom plate 120 and one side of the secondary table 700 close to the bottom 120 are all squares with the same area, so that when the semi-automatic folding table is folded, the bottom 120, the main table 400 And the four side table boards 500 will form a cube. In this way, the occupied space of the folded semi-automatic folding table is reduced, thereby facilitating people's transportation. Secondly, the appearance of the semi-automatic folding table is beautified.

Here is how the invention works:

The motor 322 is started, and the first gear 322a simultaneously drives the second gear 310 and the inner sleeve 300 to rotate, while the base 100 is still relative to the bottom surface at this time, so that the inner sleeve 300 moves away from the base 100, and the support plate 320 passes through the bearing 321 Connected to the inner sleeve 300, so that the support plate 320 moves away from the base 100, and the support plate 320 pushes the main table 400 to rise through the connecting column 323. At the same time, the screw rod 330 moves toward the direction of the main table 400, so The transmission disc 340 is fixedly connected to the threaded rod 330, and through the threaded connection between the connecting rod 341 and the slider 922, the transmission disc drives the sliding sleeve 920 to rise, and one end of the support rod 910 is hinged to the first protrusion 921 of the sliding sleeve 920. The other end is hinged to the second protrusion 510 of the side table board 500, so that the four side table boards 500 are turned around the corresponding cylindrical pins 640 at the same time, and when the sliding sleeve 920 is against the upper stop ring 210, the motor 322 stops rotating, At this time, the support rod 910 supports the four side table boards 500, and makes each side table board 500 all on the same plane as the main table board 400, after that, through the latch 820, flip between two adjacent side table boards 500 two sub-tables 700, so that the two sub-tables 700 are also located on the same plane as the main table 400, so that the main table 400, the side table 500 and the sub-table 700 are all located on the same plane, so that the The semi-automatic folding table unfolds, and then people can place more things on the desktop, making the semi-automatic folding table convenient for multiple people to use at the same time, and secondly, allowing people to save more effort when operating the semi-automatic folding table.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (8)

1. A semi-automatic folding table, characterized in that, comprising: A base, on which a support column is movable; The inner sleeve is threadedly inserted into the base, a second gear is provided at one end of the inner sleeve, a support plate is movable on the inner sleeve, and a bearing is provided between the support plate and the inner sleeve, The support plate is provided with a motor, the motor is provided with a first gear meshing with the second gear, a screw rod is inserted into the inner thread of the inner casing, and a transmission disc is provided at one end of the screw rod, so A plurality of connecting rods are arranged on the transmission plate; The main table is located at one end of the supporting column, the main table has four sides, each side is provided with a side table, and a loose-leaf mechanism is detachably connected between the main table and the side table, At least two sub-tables are hinged between two adjacent side table boards, and a turning mechanism is provided between each said sub-table board and the corresponding side table board; There are multiple connecting columns; The folding mechanism is movably sleeved on the support column, and a support rod is hinged between the folding mechanism and each side table board, and an upper stop for preventing the folding mechanism from moving along the axial direction of the support column is also provided on the support column ring and the lower stop ring; each of the connecting rods can be detachably connected to the folding mechanism. 2. A semi-automatic folding table according to claim 1, characterized in that, the transmission plate is provided with a perforation for piercing the connecting column; the base is provided with an outer sleeve threadedly connected to the inner sleeve. 3. A semi-automatic folding table according to claim 1, wherein the folding mechanism comprises a sliding sleeve, and the sliding sleeve is provided with a first protrusion for hinged support rods, each of the side tables The plates are all provided with second protrusions for hinged support rods. 4. A semi-automatic folding table according to claim 3, wherein a plurality of guide rails are provided on the support column for guiding the axial movement of the sliding sleeve, and the sliding sleeve is provided with movable inserts The slider in the guide rail is detachably connected to the connecting rod. 5. A semi-automatic folding table according to claim 1, wherein the hinge mechanism comprises a first hinge detachably connected to the main table and a second hinge detachably connected to the side table, the The first hinge is located on the side of the main table board close to the support column, and the second hinge is located on the side of the side table board close to the support column. 6. A semi-automatic folding table according to claim 5, wherein at least two first columns for hinged second hinges are provided on the first hinge, and the second hinge is provided with The second cylinder between the two first cylinders, the first cylinder and the second cylinder are provided with cylinder holes, the cylinder pins are inserted in the cylinder holes, and the main table is provided with holes for installing the second cylinder. A cylinder and an arc groove of the second cylinder. 7. A semi-automatic folding table according to claim 1, characterized in that, the turning mechanism comprises a boss on the secondary table, the boss is cylindrical as a whole, and the side table is set There are grooves for mounting bosses, and pins for hinged bosses are arranged in said grooves. 8. A semi-automatic folding table according to claim 1, wherein the base comprises a bottom plate; the bottom plate is close to a side of the main table, a side of the main table is close to the bottom, and a secondary table is close to the bottom Both sides are squares with the same area.