CN110353402B

CN110353402B - Folding row table

Info

Publication number: CN110353402B
Application number: CN201910669107.8A
Authority: CN
Inventors: 龙风云; 程伟; 刘伟; 卓学杰
Original assignee: Huali College Guangdong University Of Technology
Current assignee: Huali College Guangdong University Of Technology
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2021-09-28
Anticipated expiration: 2039-07-23
Also published as: CN110353402A

Abstract

The invention relates to a folding rowed table. The table comprises a plurality of table units, wherein each table unit comprises a table top and a drawer plate, the bottom of the table top is provided with an accommodating groove, the drawer plate is vertically and adjustably mounted in the accommodating groove through a lifting device, a table foot group is rotatably assembled on the side wall of the accommodating groove, a table foot driving device is further mounted on each table unit, any two adjacent table units are hinged and connected through a first hinge or a second hinge, and the first hinge and the second hinge are alternately arranged along the extending direction of the row tables; the folding row table further comprises handrail driving devices arranged at the two ends, each handrail driving device is hinged to the table units at the two ends respectively, and each handrail driving device comprises a receiving module, a control module, a driving roller module and a power supply module. By adopting the folding rowed table, the rowed table not only has the conventional storage function of the common rowed table, but also can be folded, so that the specification and the volume of the rowed table are reduced, and the carrying and the direction adjustment of the rowed table are facilitated.

Description

Folding row table

Technical Field

The invention relates to the technical field of tables, in particular to a folding row table.

Background

The desk is a common furniture, and the kind of desk has a lot of, including desk, dining table, desk etc. different occasions need to arrange different desk types, for example in large-scale occasions such as university classroom, meeting room, report room, need arrange the table in large-scale collocation usually, arrange the table and generally include a plurality of fixed desk units together, arrange the table through arranging a plurality of desk intervals in proper order to the desk that accomplishes large-scale occasion that can be quick is arranged. Because the table units of the existing row table are fixed together, the volume of the row table is large, and inconvenience is caused to the carrying and later direction adjustment of the row table.

Disclosure of Invention

The invention provides a folding rowed table, which is used for solving the technical problem that the rowed table in the prior art cannot be folded and is inconvenient to carry and adjust the direction.

The folding row table adopts the following technical scheme:

a folding row table comprises a plurality of table units arranged side by side, wherein each table unit comprises a table top and a drawer plate, the bottom of the desktop is provided with a containing groove with a downward opening, the drawer plate is arranged in the containing groove in an up-and-down adjustable manner through a lifting device, the side wall of the containing groove is rotatably provided with a table leg group, the table corner group is provided with a supporting position for supporting the table unit and a folding position for receiving into the containing groove, the table unit is also provided with a table leg driving device for driving the table leg group to rotate so as to realize the mutual switching between the supporting position and the folding position of the table leg group, any two adjacent table units are hinged and connected through a first hinge arranged at the top of the table top or a second hinge arranged at the edge of the containing groove opening, the first hinges and the second hinges are alternately arranged along the extending direction of the row of tables so that each table unit can be folded and contracted in a wave shape;

the folding row table also comprises handrail driving devices arranged at two ends, each handrail driving device is respectively hinged with the table units at the two ends, each handrail driving device comprises a receiving module, a control module, a driving roller module and a power supply module, and the receiving module, the driving roller module, the lifting device and the table foot driving devices are electrically connected or wirelessly controlled and connected with the control module;

the receiving module is used for receiving the instruction signal and transmitting the instruction signal to the control module; the control module is used for controlling the driving roller module, the lifting device and the table foot driving device to move integrally so as to realize the contraction and extension of the folding row table; the driving roller module is used for providing extrusion or stretching acting force for the folding row table.

Has the advantages that: by adopting the folding rowed table, the rowed table not only has the conventional storage function of the common rowed table, but also can be folded, so that the specification and the volume of the rowed table are reduced, and the carrying and the direction adjustment of the rowed table are facilitated. In addition, the arrangement of the lifting device, the table foot driving device and the handrail driving device realizes the automation of folding and extending of the row table, improves the folding efficiency and reduces the labor intensity and labor cost of workers.

Further, the handrail driving device is hinged with the receiving slot of the corresponding table unit. The beneficial effects are as follows: the table unit connected with the handrail driving device can rotate downwards, and folding and contraction of the folding row table are facilitated.

Further, the handrail driving device comprises an upper handrail and a lower handrail, wherein the upper handrail is assembled on the lower handrail in an up-and-down adjustable manner, and the upper handrail is hinged with the accommodating groove opening of the corresponding table unit. The beneficial effects are as follows: because single desktop is longer, avoided the desktop to contact with ground easily and with handrail drive arrangement jack-up's the condition in the in-process of turning over downwards, when the desktop and ground contact back, the desktop can be with handrail jack-up, and handrail down can contact with ground all the time because the action of gravity to the continuation of the effort that drive roller module provided has been guaranteed.

Furthermore, the receiving module, the control module, the power supply module and the driving roller module are all installed inside the lower handrail, and the driving roller module comprises a driving wheel which is rotatably assembled at the bottom of the lower handrail. The beneficial effects are as follows: the handrail driving device can be driven by the rotation of the driving wheel, so that the extrusion and the stretching of each table unit are realized.

Further, the lifting device comprises a rope connected between the table top and the drawer plate and a rope winding mechanism for winding the rope. The beneficial effects are as follows: simple structure and convenient arrangement.

Furthermore, the rope winding mechanism is installed on the table top, the rope penetrates through the table top, and two through holes for the end portions of the rope to extend out are formed in the table top.

Furthermore, elevating gear still includes the connecting rod of connection between desktop and drawer board, the one end of connecting rod articulates on one of them of desktop and drawer board, and the other end passes through the spout structure direction and slides the assembly on the other of desktop and drawer board. The beneficial effects are as follows: because the rope is the flexonics, it can only play tensile effect, and the condition that the drawer board took place lateral displacement has been avoided in the setting of connecting rod.

Further, the table foot group includes more than two table feet, and each table foot is all fixed on same rotation axis, table foot drive arrangement includes a driving motor and oar pawl structure soon, oar pawl structure soon includes the pawl and fixes the oar soon in a driving shaft of driving motor, the pawl is the V type, and the one end of pawl articulates on the oar soon, and the other end articulates on the outer peripheral face of rotation axis. The beneficial effects are as follows: the swing drive to each table foot has been realized on the one hand in the setting of oar pawl structure soon, and on the other hand after the adjustment of table foot position, can also realize the fixed to table foot position, has avoided the table foot to take place the swing condition easily.

Furthermore, the bottom of the table leg is a curved surface. The beneficial effects are as follows: the friction acting force between the table legs and the ground is reduced, and the table legs can swing to the folding position conveniently.

Further, the receiving module comprises a voice recognition module and/or a gesture recognition module and/or a physical key module.

Drawings

FIG. 1 is a perspective view of the overall structure of an embodiment of the folding row table of the present invention;

FIG. 2 is a side perspective view of an embodiment of the folding row table of the present invention;

FIG. 3 is a bottom schematic view of an embodiment of the folding row table of the present invention;

FIG. 4 is a schematic diagram of the lifting mechanism of the folding table arrangement of the present invention;

FIG. 5 is a schematic view of a paddle pawl configuration of an embodiment of the folding row table of the present invention;

FIG. 6 is a schematic view of a folding process of an embodiment of the folding row table of the present invention;

FIG. 7 is a schematic view of an embodiment of the folding table row of the present invention in a folded state;

fig. 8 is a schematic view of the embodiment of the folding table row of the present invention in a folded flat state.

The reference numerals are explained below:

1-handrail driving device, 101-lower handrail, 102-upper handrail, 103-guide rod, 2-tabletop, 3-drawer plate, 4-first hinge, 5-table foot, 6-connecting rod, 7-driving wheel, 8-second hinge, 9-circular groove, 10-rope, 11-perforation, 12-chute, 13-pawl and 14-propeller.

Detailed Description

To better illustrate the objects, technical solutions and advantages of the present invention, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Embodiment of the folding table row of the invention:

as shown in fig. 1 to 8, the foldable row table comprises a plurality of table units arranged side by side, the table units comprise a table top 2 and a drawer plate 3, the bottom of the table top 2 is provided with a holding tank with a downward opening, the drawer plate 3 is installed in the holding tank through a lifting device and can be adjusted up and down, a table leg set is assembled on the side wall of the holding tank in a rotating manner, the table leg set has a supporting position for supporting the table units and a folding position for receiving the holding tank, a table leg driving device for driving the table leg set to rotate so as to realize mutual switching between the supporting position and the folding position of the table leg set is further installed on the table units, any two adjacent table units are hinged and connected through a first hinge 4 arranged at the top of the table top 2 or a second hinge 8 arranged at the position of the holding groove, and the first hinge 4 and the second hinge 8 are alternately arranged along the extending direction of the row table, So that each table unit can be folded and contracted in a wave shape;

the folding row table further comprises handrail driving devices 1 arranged at two ends, each handrail driving device 1 is hinged with the table units at the two ends, each handrail driving device 1 comprises a receiving module, a control module, a driving roller module and a power supply module, and the receiving module, the driving roller module, the lifting device and the table foot driving devices are electrically connected or wirelessly controlled and connected with the control module;

Specifically, the folding row table in the present embodiment includes four table units and two handrail driving devices 1, and for convenience of description, the four table units are sequentially referred to as a first table unit, a second table unit, a third table unit and a fourth table unit along a left-to-right direction. The handrail drive device 1 on the left side is referred to as a left handrail drive device, and the handrail drive device 1 on the right side is referred to as a right handrail drive device. In the embodiment, the left handrail driving device is hinged with the bottom surface of the first table unit, so that the first table unit can be folded towards the lower left; the right handrail driving device is hinged to the bottom surface of the fourth table unit so that the fourth table unit can be folded to the lower right.

The table unit in this embodiment includes a table top 2, a drawer plate 3 and a table leg set. Desktop 2 is the cuboid form, and the bottom of desktop 2 is provided with the holding tank that the cross-section is the rectangle, and the opening of holding tank is towards ground. In this embodiment, the drawer plate 3 is a rectangular flat plate, the specification of the drawer plate 3 is slightly smaller than the opening of the accommodating groove, and the drawer plate 3 is assembled in the accommodating groove in an up-down adjustable manner. The bottom of the table unit in this embodiment is rotatably assembled with leg groups, each leg group including two legs 5 arranged at intervals in the front-rear direction. In particular, since the left handrail drive device can serve as a balanced support for the first table unit, the first table unit is provided with one leg group only on the right side in this embodiment, and similarly, the fourth table unit is provided with one leg group only on the left side in this embodiment. In the embodiment, the bottoms of the second table unit and the third table unit are rotatably assembled with two table leg groups, wherein one of the two table leg groups is positioned on the left side, and the other table leg group is positioned on the right side.

In this embodiment, the assembly that passes through elevating gear adjustable from top to bottom is in the holding tank, as shown in fig. 4, be provided with a circular recess 9 and two perforation 11 on the tank bottom of holding tank in this embodiment, and circular recess 9 is used for installing the serving mechanism, and the serving mechanism is including being used for twining the coiling of rope 10 and being used for driving the coiling pivoted serving driving motor, and the quotation of coiling is parallel with the tank bottom place plane of holding tank. In this embodiment, two through holes 11 are respectively disposed at both sides of the circular groove 9, and the circular groove 9 and the two through holes 11 are located on the same straight line. The two through holes 11 are communicated with the circular groove 9 through holes. In this embodiment, the rope 10 is wound around the reel, and two ends of the rope 10 respectively penetrate through the corresponding through holes 11 and are fixed with the drawer plate 3, so that when the reel rotates, the ropes 10 on the left and right sides of the reel are wound around the reel at the same time, and the ropes 10 with two shortened ends pull up the drawer plate 3, thereby adjusting the up-and-down position of the drawer plate 3.

Because rope 10 is the flexible coupling, only adopt rope 10 and drawer board 3 to be connected and can lead to rocking around the drawer board 3, in order to avoid the unstable condition of this kind of structure, elevating gear still includes connecting rod 6 in this embodiment, two connecting rods 6 are all installed to each desk unit, two connecting rods 6 are the splayed and arrange, the one end of two connecting rods 6 all articulates on drawer board 3, the other end all slides the assembly in the tank bottom position of holding tank through spout structure direction. As shown in fig. 4, two sliding grooves 12 are provided at the bottom of the accommodating groove, the sliding grooves 12 are rectangular long grooves and are arranged in a left-right direction in an extending manner, the cross section (along the left-right direction) of each sliding groove 12 is T-shaped, the corresponding ends of the two connecting rods 6 are provided with a pin shaft or a roller, the axial direction of the pin shaft or the rotational axis direction of the roller is perpendicular to the connecting rods 6, and the pin shaft or the roller is blocked in the sliding grooves 12, so that the corresponding ends of the connecting rods 6 can only slide in the corresponding sliding grooves 12, and the guide sliding assembly of the corresponding ends of the two connecting rods 6 is realized. In order to further enhance the structural stability, the two sliding grooves 12 are arranged in a staggered manner at a certain distance from each other in the embodiment. In the embodiment, when the rope coiling mechanism contracts the rope 10, the upper ends of the two connecting rods 6 (namely, the ends connected with the bottoms of the accommodating grooves) are close to each other; when the rope winding mechanism releases the rope 10, the upper ends of the two connecting rods 6 are far away from each other.

Each table foot group all rotates the assembly on the left and right sides lateral wall of holding tank in this embodiment, and each table foot group all disposes a table foot drive arrangement, and table foot drive arrangement includes first driving motor and oar pawl structure soon. The propeller pawl structure comprises a propeller 14 and two pawls 13, wherein the propeller 14 is a shuttle plate in the embodiment, and the pawls 13 are V-shaped rods. As shown in fig. 5, the propeller 14 is fixed on the driving shaft of the first driving motor, the two pawls 13 are respectively hinged and fixed on the left and right sides of the propeller 14, and the V-shaped openings of the two pawls 13 are oppositely arranged.

Since the driving manner and structure of each leg set are the same, the detailed description will be given only by taking the leg set of the first table unit as an example. As shown in fig. 4, the table leg set of the fourth table unit is rotatably assembled on the left side wall of the accommodating groove, two second mounting grooves for mounting the table legs 5 are arranged on the left side wall of the accommodating groove, the two second mounting grooves are arranged on the bottom surface of the left side wall (i.e. the accommodating groove opening edge) and have downward openings, and the two second mounting grooves are arranged at intervals along the front-back direction. The table leg group in this embodiment includes two table legs 5, and two table legs 5 are all fixed on same root rotation axis. In this embodiment, a first mounting groove (not shown) for mounting the table foot driving device is further disposed on the left side wall of the accommodating groove. In this embodiment, the rotation shaft passes through the first mounting groove and the two second mounting grooves at the same time, and the two pawls 13 of the table leg driving device are hinged to two opposite side walls of the rotation shaft respectively. Like this first driving motor's rotation can drive two pawls 13 and produce the displacement of opposite direction to the realization is to the rotation drive of rotation axis, and the rotation of rotation axis can drive two table feet 5 and rotate, thereby has realized each table foot 5 and has supported the switching each other of position and folding position.

It should be added that, in order to reduce the friction force between each table leg 5 and the ground, in the present embodiment, the bottom surface of each table leg 5 is designed to be a curved surface, that is, the bottom of each table leg 5 is a rounded corner.

In order to realize the wave-shaped folding and shrinking of each table unit in this embodiment, the top surface of the tabletop 2 of the first table unit is connected to the top surface of the tabletop 2 of the second table unit through the first hinge 4, the bottom surface of the tabletop 2 of the second table unit (i.e., the edge of the accommodating slot) is connected to the bottom surface of the tabletop 2 of the third table unit through the second hinge 8, and the top surface of the tabletop 2 of the third table unit is connected to the top surface of the tabletop 2 of the fourth table unit through the first hinge 4. By adopting the above structural design, the hinged part of the first table unit and the second table unit can be bent downwards, the hinged part of the second table unit and the third table unit can be bent upwards, and the hinged part of the third table unit and the fourth table unit can be bent downwards, as shown in fig. 6.

In the present embodiment, the handrail driving device 1 includes a handrail housing, the handrail housing includes an upper handrail 102 (i.e. an upper handrail housing) and a lower handrail 101 (i.e. a lower handrail housing), the upper handrail 102 is mounted on the lower handrail 101 in an up-down adjustable manner, specifically, the upper handrail 102 is slidably mounted on the top of the lower handrail 101 through a guide rod 103, as shown in fig. 6, the top of the lower handrail 101 is provided with two guide holes, the bottom of the upper handrail 102 is fixed with two guide rods 103, and the two guide rods 103 are respectively inserted into the corresponding guide holes. In this embodiment, the lower handrail 101 is provided with a receiving module, a control module, a driving roller module and a power supply module. In this embodiment, the control module is a PLC single chip system, the receiving module is a physical key module, the physical key module is a common control keyboard or control button, and in other embodiments, the receiving module may be a voice recognition module or a gesture recognition module. In this embodiment, the driving roller module comprises a driving wheel 7 and a second driving motor, the driving wheel 7 is installed at the bottom of the handrail housing, and when the driving wheel 7 rotates, the handrail driving device 1 can press inwards or stretch outwards the folding rowed table due to the friction between the driving wheel 7 and the ground. In this embodiment, the rotating shaft of the driving wheel 7 is directly welded and fixed on the driving shaft of the second driving motor, and when the driving motor rotates, the driving wheel 7 rotates. In other embodiments, the rotating shaft of the driving wheel 7 and the driving shaft of the second driving motor may be in transmission connection by means of a toothed chain transmission or a belt transmission. In this embodiment, the power supply module is a storage battery module, and in other embodiments, the power supply module may also be an external power supply, and the power supply module is configured to provide power support to each of the motors, the control module, and the receiving module.

In this embodiment, the tabletop 2 of the first table unit is hinged to the upper handrail 102 of the left handrail driving device, and specifically, the bottom surface of the tabletop 2 of the first table unit is hinged to the bottom of the upper handrail 102, so that the first table unit can be turned downward and downward. Similarly, the bottom surface of the tabletop 2 of the fourth table unit is hinged to the bottom of the upper handrail 102 of the right handrail drive device. Because the length of the table unit is usually longer than that of the lower handrail 101, when the folding row table is folded and contracted, each table unit can contact with the ground due to the longer length, and at the moment, if the lower handrail 101 is shorter, the first table unit can prop up the left handrail driving device, so that the driving wheel 7 of the left handrail driving device cannot be in good contact with the ground, and the folding row table cannot be folded and contracted. Similarly, the right handrail drive device also causes the same problem, and the description thereof is omitted. And through the articulated connection of first desk unit and upper handrail 102, when first desk unit props up the left handrail drive arrangement, upper handrail 102 can take place to separate with lower handrail 101, and guide bar 103 stretches out from the guiding hole that corresponds to make up this kind of desk unit and handrail drive arrangement 1 difference in length's problem, has guaranteed the good contact of drive wheel 7 with ground all the time. The length compensation principle of the right handrail driving device is the same as that of the left handrail driving device, and the detailed description is omitted here.

When the folding row table of the embodiment is folded and contracted, as shown in fig. 6 to 8, by inputting a command signal to the receiving module, the control module, after receiving the command signal, first drives the lifting device to store the drawer plate 3 into the accommodating groove, then drives the table leg driving devices to fold each table leg 5 into the corresponding accommodating groove, at this time, because each table unit loses the support of the table leg 5, under the action of gravity, the hinge joint of the first table unit and the second table unit generates downward displacement, the hinge joint of the second table unit and the third table unit generates upward displacement, the hinge joint of the third table unit and the fourth table unit generates downward displacement, as shown in fig. 6 in particular, then the control module controls the driving roller modules, at this time, each driving wheel 7 rotates, and the rotating driving wheel 7 drives each handrail driving device 1 to move relatively, thereby providing a squeezing force to the table units so that the table units can be finally squeezed into the configuration shown in fig. 7, i.e. the folding row table is completely retracted. It should be noted that during the squeezing process, the upper handrail 102 may be separated from the lower handrail 101 to compensate for the difference in length between the table unit and the handrail driving device 1.

When the folding row table of this embodiment is extending, control module can at first control each drive roller module motion to expand each table unit, then control module can drive a table foot drive arrangement motion and turn over each table foot 5 to the support position, then control elevating gear with the drawout tray 3 down regulate can.

In other embodiments: the number of the table units and the number of the table legs in the table leg group can be properly increased and decreased. The shape of the desktop can be round, square, shuttle-shaped and the like. Each motor can be driven in a remote control mode, namely, control signals are transmitted between each motor and the control module through the communication module, so that a lead does not need to be arranged, and the arrangement of the lead is simplified.

The foregoing embodiments have been described primarily for the purposes of illustrating the general principles, and features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A folding row table, includes a plurality of desk units that set up side by side, its characterized in that: the table unit comprises a table top (2) and a drawer plate (3), the bottom of the table top (2) is provided with an accommodating groove with a downward opening, the drawer plate (3) is vertically adjustable and arranged in the accommodating groove through a lifting device, the side wall of the accommodating groove is rotatably provided with a table leg group, the table leg group is provided with a supporting position for supporting the table unit and a folding position for being accommodated in the accommodating groove, the table unit is also provided with a table leg driving device for driving the table leg group to rotate so as to realize the mutual switching between the supporting position and the folding position of the table leg group, any two adjacent table units are hinged and connected through a first hinge (4) arranged at the top of the table top (2) or a second hinge (8) arranged at the edge of the accommodating groove opening, the first hinges (4) and the second hinges (8) are alternately arranged along the extension direction of the row of tables so as to enable each table unit to be folded and contracted in a wave shape;

the folding row table further comprises handrail driving devices (1) arranged at two ends, each handrail driving device (1) comprises a receiving module, a control module, a driving roller module and a power supply module, and the receiving module, the driving roller modules, the lifting device and the table foot driving devices are electrically connected or wirelessly controlled and connected with the control modules; the handrail driving device (1) comprises an upper handrail (102) and a lower handrail (101), wherein the upper handrail (102) is assembled on the lower handrail (101) in an up-and-down adjustable manner, and the upper handrail (102) is hinged with a containing notch of a corresponding table unit;

the receiving module is used for receiving the instruction signal and transmitting the instruction signal to the control module; the control module is used for controlling the driving roller module, the lifting device and the table foot driving device to move integrally so as to realize the contraction and extension of the folding row table; the driving roller module is used for driving the handrail driving devices (1) to move relatively and providing extrusion or stretching acting force for the folding row table.

2. A folding row table as claimed in claim 1, wherein: the receiving module, the control module, the power supply module and the driving roller module are all installed inside the lower handrail (101), and the driving roller module comprises a driving wheel (7) which is rotatably assembled at the bottom of the lower handrail (101).

3. A folding row table as claimed in claim 1, wherein: the lifting device comprises a rope (10) connected between the table top (2) and the drawer plate (3) and a rope winding mechanism for winding the rope (10).

4. A folding row table as claimed in claim 3, wherein: the rope winding mechanism is installed on the desktop (2), the rope (10) penetrates through the desktop (2), and two through holes (11) for the end portions of the rope (10) to extend out are formed in the desktop (2).

5. A folding row table as claimed in claim 3, wherein: the lifting device further comprises a connecting rod (6) connected between the desktop (2) and the drawer plate (3), one end of the connecting rod (6) is hinged to one of the desktop (2) and the drawer plate (3), and the other end of the connecting rod is guided to slide and assembled on the other of the desktop (2) and the drawer plate (3) through a sliding groove structure.

6. A folding row table as claimed in claim 1, wherein: the table foot group includes more than two table feet (5), and each table foot (5) are all fixed on same rotation axis, table foot drive arrangement includes a driving motor and oar pawl structure soon, oar pawl structure soon includes pawl (13) and fixes oar (14) soon in a driving shaft of driving motor, pawl (13) are the V type, and the one end of pawl (13) articulates on oar (14) soon, and the other end articulates on the outer peripheral face of rotation axis.

7. A folding row table according to claim 6, wherein: the bottom of the table leg (5) is a curved surface.

8. A folding row table according to any of claims 1 to 7, wherein: the receiving module comprises a voice recognition module and/or a gesture recognition module and/or a physical key module.