CN213154643U

CN213154643U - Rotary type extension table

Info

Publication number: CN213154643U
Application number: CN202021527228.3U
Authority: CN
Inventors: 苏龙; 梁亚峰; 王青春; 邓锦程; 曹诗榆; 程墨; 黄建华; 莫久潮; 杨泉; 徐宗跃; 邓国庆; 符纯浪
Original assignee: Chengdu Aeronautic Polytechnic
Current assignee: Chengdu Aeronautic Polytechnic
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-11
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a rotation type extension table relates to desk technical field, include: the setting is at the cylindric table leg at the center, a plurality of second desktops and a plurality of third desktops of establishing at first desktop outer fringe are enclosed at first desktop and interval of setting on the table leg top, a plurality of second desktops rotate with the table leg through first rotating assembly and are connected, a plurality of third desktops rotate with the table leg through the second rotating assembly and are connected, still be equipped with the motor of first rotating assembly of drive and second rotating assembly in the table leg, still be equipped with the controller with motor communication connection in the table leg, this rotation type extension table can change the desktop size through rotating assembly, and can pass through remote control, convenient and fast.

Description

Rotary type extension table

Technical Field

The utility model relates to a desk technical field, concretely relates to rotation type extension table.

Background

At present in the very fast development of room price, under the condition that the average residential area of people reduces, requirement to furniture is higher and higher, the desk is one of the essential furniture of every family, the size of desk generally matches with family member's quantity, the desk is too big can occupy more space, but when the visitor's person, original desk can seem very crowded, consequently can fold this problem of solution that the desk that changes the size can be better, it can change the desktop size according to the user demand, but some dining tables that change the desktop size mainly reach the desktop size through artifical folding desktop at present and adjust, waste time and energy, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotation type extension table, this rotation type extension table can change the desktop size through rotatory subassembly to can be through remote control, convenient and fast.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a rotary extension table comprising: the setting is at the cylindric table leg at the center, a plurality of second desktops and a plurality of third desktops of establishing in first desktop outer fringe are enclosed at first desktop and interval of setting on the table leg top, a plurality of second desktops are rotated with the table leg through first rotating assembly and are connected, a plurality of third desktops are rotated with the table leg through the second rotating assembly and are connected, still be equipped with the motor of first rotating assembly of drive and second rotating assembly in the table leg, still be equipped with the controller with motor communication connection in the table leg.

The first desktop of the rotary extension desk is fixed, the second desktop and the third desktop can be retracted and extended along the radial direction through the first rotary assembly and the second rotary assembly, so that the size of the whole desktop is changed, the rotary scaling is driven by a motor, a controller is arranged, and the rotary retraction and extension process can be controlled through the controller.

Furthermore, in a preferred embodiment of the present invention, the table leg is provided with a first supporting plate, a second supporting plate and a third supporting plate which are arranged along the axial direction of the table leg at intervals, the first supporting plate and the second supporting plate are respectively provided with a first supporting column and a second supporting column which extend along the axial direction of the table leg between the second supporting plate and the third supporting plate, the first rotating assembly is arranged on the table leg between the first supporting plate and the second supporting plate and is rotatably connected with the second supporting plate; the second rotating assembly is arranged on the table leg between the second supporting plate and the third supporting plate and is rotatably connected with the third supporting plate.

The second supporting disc and the third supporting disc provide a supporting function for the first rotating assembly and the second rotating assembly, and the first supporting disc plays a supporting function for the second supporting disc to ensure the stability of the second supporting disc and the third supporting disc; the first rotating assembly is arranged between the first supporting disk and the second supporting disk and can rotate on the second supporting disk, and the second rotating assembly is arranged between the second supporting disk and the third supporting disk and can rotate on the third supporting disk.

Further, in a preferred embodiment of the present invention, the first rotating assembly and the second rotating assembly respectively include: the flying disc comprises a fixed disc, a flying disc, a plurality of sliding rail assemblies, a plurality of sliding rods and a plurality of cross rods; the fixed disk and the flying disk are arranged on the table legs in a sliding manner along the axial direction of the table legs, and the flying disk is rotationally connected with the fixed disk and the table legs; the frisby is "the fly sword that circles round" form, and the edge interval of frisby is equipped with a plurality of poles that circle round that extend to the central direction of keeping away from the frisby gradually, and the power output shaft and the frisby of motor are connected, and slide rail set includes: the track and with track sliding connection and length assorted slider, a plurality of tracks set up and a plurality of tracks along the radial extension of fixed disk along the circumference interval of fixed disk, the one end setting of slide bar is on the gyration pole, the other end of slide bar slides and sets up on second supporting disk or third supporting disk, the one end setting of horizontal pole is on the gyration pole, the other end setting of horizontal pole is on the slider, be equipped with the third support column of vertical setting on the slider, the one end setting that the slider was kept away from to the third support column is on corresponding second desktop or third desktop.

The first rotating component and the second rotating component have the same structure and are arranged up and down along the axial direction of the table leg; the flying disc rotates on the second supporting disc or the third supporting disc through the sliding rod, the flying disc is in a rotary flying knife shape, when the flying disc rotates, the sliding block can be driven to slide in the sliding rail through the cross rod, so that the sliding block drives the second desktop or the third desktop to expand outwards from the center, the total area of the desktop is increased, and when the flying disc rotates reversely, the second desktop or the third desktop can be retracted, so that the area of the whole desktop is reduced.

Further, in the preferred embodiment of the present invention, the sliding rod is provided with a ball at an end close to the corresponding second supporting plate or the corresponding third supporting plate.

The lower end of the sliding rod rotates on the second supporting disc or the third supporting disc through the ball, and friction can be reduced.

Further, in the preferred embodiment of the present invention, the second supporting plate and the third supporting plate are respectively provided with a first groove and a second groove which are matched with the sliding rod and have different depths, and the first groove and the second groove are provided with a slope connected with the upper surface of the second supporting plate or the third supporting plate.

When the sliding rod falls into the first groove and the second groove, the second desktop and the third desktop rotate in place, the first desktop, the second desktop and the third desktop are on the same plane, the first groove and the second groove are set to be different in depth, the second desktop and the third desktop can be staggered up and down when rotating, the influence on the rotation of the second desktop and the third desktop is avoided, the grooves and the disk surface are provided with slopes, and the sliding rod enters the grooves or the sliding-out grooves along the slopes.

Further, in the preferred embodiment of the present invention, a connecting rod is disposed between the horizontal rod and the slider, one end of the connecting rod is connected to the horizontal rod, and the other end of the connecting rod is connected to the slider to make the slider parallel to the horizontal rod.

The connecting rod supports the sliding block on the cross rod, so that the cross rod is parallel to the connecting rod, the sliding block is parallel to the connecting rod, and the table top is horizontal.

Further, in the preferred embodiment of the present invention, the first rotating assembly and the second rotating assembly are spaced apart from each other in the circumferential direction and the length of the sliding rail in the second rotating assembly is greater than the length of the sliding rail in the first rotating assembly.

In order to ensure that the second desktop and the third desktop cannot be mutually influenced when being rotatably folded and unfolded, the first rotating assembly and the second rotating assembly are arranged at intervals in the circumferential direction, and in the radial direction, the length of the sliding rail in the first rotating assembly is smaller than that of the sliding rail in the second rotating assembly, so that the third supporting column can well support the second desktop and the third desktop.

Furthermore, in the preferred embodiment of the present invention, a bottom plate is further disposed at the bottom end of the table leg.

The chassis is placed on the ground, and plays a stabilizing role in the whole table.

The utility model discloses following beneficial effect has:

the utility model provides a rotation type extension table, this desk can receive and release the desktop through first rotating assembly and second rotating assembly's rotation to change the size of desktop, rotatory receive and release the process can pass through motor drive and through controller control, easy operation need not the manpower, occupation space reduces after the desktop shrink, convenient and practical.

Drawings

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

FIG. 2 is a front view of the rotary extension table of the present invention;

fig. 3 is a schematic structural view of the first rotating assembly of the present invention connected to other structures;

fig. 4 is a schematic structural view of the first support plate of the present invention;

fig. 5 is a schematic structural view of a second support plate of the present invention;

fig. 6 is a schematic structural view of a third support plate of the present invention;

fig. 7 is a schematic structural view of the fixing plate of the present invention;

fig. 8 is a schematic structural diagram of the flying disc of the present invention.

Wherein: 1-table legs; 11-a first support disc; 12-a second support disc; 121-a first groove; 13-a third support disc; 131-a second groove; 14-a first support column; 15-a second support column; 2-a first desktop; 3-a second desktop; 4-a third desktop; 5-a first rotating assembly; 6-a second rotating assembly; 61-fixing the disc; 62-flying disc; 621-swivel lever; 63-a slide rail assembly; 631-a track; 632-a slider; 632 a-a third support column; 64-a slide bar; 65-cross bar; 651-connecting rod; 7-chassis.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1 and 2, a rotary extension table includes: the setting is at cylindric table leg 1 at the center, a plurality of second desktops 3 and a plurality of third desktops 4 of establishing in 2 outer margins of first desktop are enclosed at first desktop 2 and the interval of setting on 1 top of table leg, the one end that first desktop 2 was kept away from to table leg 1 still is equipped with chassis 7, chassis 7 is placed subaerial, in this embodiment, the quantity of first desktop 2 and second desktop 3 is four, four second desktops 3 rotate with table leg 1 through first rotating component 5 and are connected, four third desktops 4 rotate with table leg 1 through second rotating component 6 and are connected, still be equipped with the motor of the first rotating component 5 of drive and second rotating component 6 in the table leg 1, still be equipped with the controller with motor communication connection in the table leg 1, in this embodiment, the controller adopts STM32 series single-chip microcomputer.

Referring to fig. 2 and 4 to 6, the table leg 1 is provided with a first supporting plate 11, a second supporting plate 12 and a third supporting plate 13 which are arranged at intervals along the axial direction of the table leg 1, a first supporting column 14 and a second supporting column 15 which extend along the axial direction of the table leg 1 are respectively arranged between the first supporting plate 11 and the second supporting plate 12, and a second rotating assembly 5 is arranged between the first supporting plate 11 and the second supporting plate 12 and the first rotating assembly 5 is rotatably connected with the second supporting plate 12; the second rotating assembly 6 is arranged between the second supporting plate 12 and the third supporting plate 13 and the second rotating assembly 6 is rotatably connected with the third supporting plate 13.

Referring to fig. 3, the first and second rotating assemblies 5 and 6 respectively include: a fixed disk 61, a flying disk 62, a plurality of slide rail assemblies 63, a plurality of slide bars 64, and a plurality of cross bars 65; in the present embodiment, the first rotating assembly 5 and the second rotating assembly 6 are respectively provided with four sliding rail assemblies 63, and the number of the sliding rods 64 and the cross bars 65 is the same as that of the sliding rail assemblies 63. The fixed disc 61 and the flying disc 62 are arranged on the table leg 1 in a sliding way along the axial direction of the table leg 1, and the flying disc 62 is rotationally connected with the fixed disc 61 and the table leg 1; referring to fig. 7, the fixed plate 61 has an annular disc-shaped structure, a through groove is formed in the outer wall of the table leg 1 in the axial direction, and the fixed plate 61 is slidably disposed in the through groove through a screw, so that the fixed plate 61 can slide in the axial direction of the table leg 1. Referring to fig. 8, the flying disc 62 is in a shape of a "revolving flying knife", four revolving rods 621 gradually extending away from the center of the flying disc 62 are provided at intervals at the edge of the flying disc 62, a power output shaft of the motor is connected to the flying disc 62, the flying disc 62 is connected to the motor through a necessary connection structure, such as a reducer, a connection plate, etc., and the slide rail assembly 63 includes: the four rails 631 are arranged at intervals along the circumferential direction of the fixed disk 61 and the four rails 631 extend in the radial direction of the fixed disk 61, one end of the sliding rod 64 is arranged on the swiveling rod 621, the other end of the sliding rod 64 is arranged on the second supporting disk 12 or the third supporting disk 13 in a sliding manner, and one end of the sliding rod 64 close to the second supporting disk 12 or the third supporting disk 13 is provided with a ball. One end of the cross bar 65 is disposed on the swiveling lever 621, and the other end of the cross bar 65 is disposed on the slider 632 through the connecting rod 651 such that the slider 632 is parallel to the cross bar 65. A third support column 632a is vertically arranged on the sliding block 632, and one end of the third support column 632a away from the sliding block 632 is arranged on the corresponding second table top 3 or third table top 4.

Referring to fig. 5 and 6, the second support plate 12 and the third support plate 13 are respectively provided with a first groove 121 and a second groove 131 which are matched with the sliding rod 64 and have different depths, the number of the first grooves 121 and the number of the second grooves 131 are four, and the first grooves 121 and the second grooves 131 are uniformly distributed on the second support plate 12 and the third support plate 13, and the first grooves 121 and the second grooves 131 are provided with slopes connected with the upper surfaces of the second support plate 12 or the third support plate 13.

Referring to fig. 1 and 2, the first rotating assembly 5 and the second rotating assembly 6 are spaced apart in the circumferential direction and the length of the slide rail in the second rotating assembly 6 is greater than the length of the slide rail in the first rotating assembly 5.

The use of the device is described below in connection with fig. 1-8:

before the device is started, the table top is in a shrinking state, the motor is started through the controller, the motor drives the flying disc 62 in the first rotating mechanism and the second rotating mechanism to rotate simultaneously, four rotary rods 621 are arranged on the outer edge of the flying disc 62, the rotary rods 621 drive the sliding rods 64 to rotate on the second supporting disc 12 and the third supporting disc 13, meanwhile, the sliding blocks 632 are pushed out along the rails 631 in the direction away from the center through the cross rods 65, in the rotating process, the second table top 3 and the third table top 4 are staggered up and down in the axial direction, when the sliding rods 64 move into the corresponding first grooves 121 and the corresponding second grooves 131, the sliding rods 64 fall into the first grooves 121 and the second grooves 131 through slopes at the moment, so that the second table top 3 and the third table top 4 are on the same plane with the first table top 2. The flying disc 62 is rotated in the opposite direction when retracted, i.e. the device expands the table top by extending the slider 632 out of the rail 631 and contracts the table top by retracting the slider 632 back into the rail 631.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A rotary extension table, comprising: set up cylindric table leg (1) at the center, set up and be in first desktop (2) and the interval on table leg (1) top are enclosed and are established a plurality of second desktops (3) and a plurality of third desktop (4) of first desktop (2) outer fringe, it is a plurality of second desktop (3) through first rotating assembly (5) with table leg (1) rotates and is connected, and is a plurality of third desktop (4) through second rotating assembly (6) with table leg (1) rotates and is connected, still be equipped with the drive in table leg (1) first rotating assembly (5) and the motor of second rotating assembly (6), still be equipped with in table leg (1) with motor communication connection's controller.

2. The rotary extension table according to claim 1, wherein the table leg (1) is provided with a first support plate (11), a second support plate (12) and a third support plate (13) which are arranged at intervals along the axial direction of the table leg (1), a first support column (14) and a second support column (15) which extend along the axial direction of the table leg (1) are respectively arranged between the first support plate (11) and the second support plate (12) and between the second support plate (12) and the third support plate (13), the first rotating assembly (5) is arranged on the table leg (1) between the first support plate (11) and the second support plate (12) and the first rotating assembly (5) is rotatably connected with the second support plate (12); the second rotating component (6) is arranged on the table leg (1) between the second supporting plate (12) and the third supporting plate (13) and the second rotating component (6) is rotatably connected with the third supporting plate (13).

3. A rotary extension table according to claim 2, wherein the first and second rotary assemblies (5, 6) each comprise: the flying disc comprises a fixed disc (61), a flying disc (62), a plurality of sliding rail assemblies (63), a plurality of sliding rods (64) and a plurality of cross rods (65); the fixed disc (61) and the flying disc (62) are arranged on the table legs (1) in a sliding manner along the axial direction of the table legs (1), the flying disc (62) is rotationally connected with the fixed disc (61) and the table legs (1), and a power output shaft of the motor is connected with the flying disc (62); the frisbee (62) is "circle flying knife" form, the marginal interval of frisbee (62) is equipped with a plurality of gradually to keeping away from pole (621) that circles round of extending of the central direction of frisbee (62), slide rail assembly (63) includes: a plurality of rails (631) and sliding blocks (632) which are connected with the rails (631) in a sliding manner and have matched lengths, wherein the rails (631) are arranged at intervals along the circumferential direction of the fixed disk (61) and the rails (631) extend along the radial direction of the fixed disk (61), one end of the sliding rod (64) is arranged on the rotary rod (621), the other end of the sliding rod (64) is arranged on the second supporting plate (12) or the third supporting plate (13) in a sliding way, one end of the cross bar (65) is arranged on the rotary rod (621), the other end of the cross bar (65) is arranged on the sliding block (632), a third supporting column (632a) is vertically arranged on the sliding block (632), and one end, far away from the sliding block (632), of the third supporting column (632a) is arranged on the corresponding second tabletop (3) or third tabletop (4).

4. A rotary extension table according to claim 3, wherein the slide rod (64) is provided with a ball bearing near one end of the second support plate (12) or the third support plate (13) corresponding thereto.

5. The rotary extension table according to claim 4, wherein the second support plate (12) and the third support plate (13) are respectively provided with a first groove (121) and a second groove (131) which are matched with the sliding rod (64) and have different depths, and the first groove (121) and the second groove (131) are provided with slopes connected with the upper surface of the second support plate (12) or the third support plate (13).

6. The rotary extension table according to claim 5, wherein a connecting rod (651) is provided between the cross bar (65) and the slider (632), one end of the connecting rod (651) is connected to the cross bar (65), and the other end of the connecting rod (651) is connected to the slider (632) such that the slider (632) is parallel to the cross bar (65).

7. A rotary extension table according to claim 6, wherein the first swivel assembly (5) is circumferentially spaced from the second swivel assembly (6) and the length of the track in the second swivel assembly (6) is greater than the length of the track in the first swivel assembly (5).

8. A rotary extension table according to claim 1, wherein the lower ends of the legs (1) are further provided with a base plate (7).