CN111713853A

CN111713853A - Direct-drive type rotary telescopic electric dining table

Info

Publication number: CN111713853A
Application number: CN202010612693.5A
Authority: CN
Inventors: 王玉昌
Original assignee: Huizhou Jinli Intelligent Technology Co Ltd
Current assignee: Huizhou Jinli Intelligent Technology Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-09-29
Anticipated expiration: 2040-06-30
Also published as: CN111713853B

Abstract

The invention relates to the technical field of intelligent home furnishing, in particular to a direct-drive type rotary telescopic electric dining table which comprises table legs, wherein a table top movable frame is arranged at the tops of the table legs, a power mechanism is arranged inside the table legs and comprises a cam driving component and a motor assembly in driving connection with the cam driving component, the motor assembly comprises a driving motor, a gear box is arranged between the driving motor and the cam driving component, the cam driving component comprises a cam sleeve, a spiral groove is formed in the outer wall of the cam sleeve, a guide sleeve is arranged at the top of the cam sleeve, an oblique guide groove is formed in the outer side wall of the guide sleeve, a transmission part and a lifting part connected with the transmission part are arranged in the cam sleeve, the transmission part is provided with a cam block in sliding connection with the spiral groove, the lifting part is provided with a guide rod in sliding. The operation stability is good, degree of automation is high, and nimble regulation changes the desktop size, satisfies different in-service use demands.

Description

Direct-drive type rotary telescopic electric dining table

Technical Field

The invention relates to the technical field of intelligent home furnishing, in particular to a direct-drive type rotary telescopic electric dining table.

Background

The dining table is one of the furniture commonly used of family, the desktop of dining table among the prior art is mostly fixed unchangeable, when the guest in family is more, the desktop of dining table can't satisfy the demand that many people have dinner simultaneously because the area is little, produce folding dining table on the existing market, adjust the change desktop size through manual folding, then fix a position with positioning mechanism, this kind of manual folding needs to spend great strength to fold the desktop, operating procedure is many and loaded down with trivial details complicacy, incline unstably because of the atress is inhomogeneous even, or fix a position unstably and can't stretch out and draw back the desktop completely, greatly influence normal use, degree of automation is low.

Disclosure of Invention

The invention aims to provide a direct-drive type rotary telescopic electric dining table aiming at the defects of the prior art, wherein an electric direct-drive type driving telescopic table top is adopted, the operation stability is good, the automation degree is high, the size of the table top is flexibly adjusted and changed, and different actual use requirements are met.

In order to achieve the purpose, the direct-drive rotary telescopic electric dining table comprises table legs, wherein the top of each table leg is provided with a table top movable frame capable of extending the edge of a table top outwards or accommodating the edge of the table top inwards, a power mechanism for driving the table top movable frame to rotate and lift is arranged inside each table leg, each power mechanism comprises a cam driving component and a motor assembly in driving connection with the cam driving component, each motor assembly comprises a driving motor, a gear box is arranged between each driving motor and the corresponding cam driving component, each cam driving component comprises a cam sleeve, the outer wall of each cam sleeve is provided with a spiral groove, the top of each cam sleeve is provided with a guide sleeve, the outer side wall of each guide sleeve is provided with an oblique guide groove, each cam sleeve is internally provided with a driving part and a lifting part connected with the driving part, and each driving part is provided with a cam block in sliding connection, the lifting piece is provided with a guide rod connected with the oblique guide groove in a sliding mode, and the cam block is connected with the table top movable frame.

Preferably, the bottom of driving medium is provided with the connecting axle sleeve, be provided with planetary drive portion between motor assembly and the cam drive subassembly, planetary drive portion is provided with down the connecting axle sleeve, lower connecting axle sleeve and last connecting axle sleeve peg graft.

Preferably, the inclined angle of the inclined guide groove ranges from 30 degrees to 80 degrees.

Preferably, the gear box includes the casing down, the casing is provided with first worm and power output shaft down, first worm and driving motor's output shaft, first worm, power output shaft all set up with the casing is perpendicular down, the internal level of inferior valve is provided with the second worm, the one end of second worm is provided with first helical gear, first helical gear and first worm meshing, power output shaft's bottom is connected with the second helical gear, the second helical gear meshes with the second worm, power output shaft's top is connected with the sun gear.

Preferably, planetary drive portion includes the mount pad, the bottom of mount pad be provided with lower shell connection's last casing, it is provided with the planet carrier to go up the casing, the bottom of connecting axle sleeve is provided with a plurality of connecting hole down, and a plurality of connecting hole is triangle-shaped and arranges the distribution, the axis of rotation has been installed to the connecting hole, the axis of rotation is connected with the planet wheel, planet wheel and planet carrier, sun gear meshing.

Preferably, the desktop movable frame comprises a cross-shaped support frame, a first support plate and a second support plate are arranged on two sides of the cross-shaped support frame in parallel, a first guide rail and a second guide rail are respectively arranged on the outer sides of the first support plate and the second support plate, the middle of the cross-shaped support frame is connected with the cam driving assembly, an assembly seat is arranged above the cross-shaped support frame, and a connecting shaft is connected between the assembly seat and the cross-shaped support frame.

Preferably, the bottom of the cross-shaped support frame is provided with a rotating base, a joint between the rotating base and the cam block is provided with an assembling screw, two sides of the rotating base are respectively provided with a first power arm and a second power arm, the first power arm and the second power arm are respectively connected with a first transmission arm and a second transmission arm, the first transmission arm and the second transmission arm are respectively connected with a first expansion bracket and a second expansion bracket, the first expansion bracket is provided with a first sliding block connected with the first guide rail in a sliding manner, and the second expansion bracket is provided with a second sliding block connected with the second guide rail in a sliding manner.

Preferably, four corners of the mounting base are provided with first mounting holes, and the first mounting holes are provided with first mounting screws fixedly connected with the table legs.

Preferably, the outer edge of the mounting seat is provided with a second mounting hole, and the second mounting hole is provided with a second mounting screw fixedly connected with the upper shell.

The invention has the beneficial effects that: a direct-drive rotary telescopic electric dining table comprises table legs, wherein the top of each table leg is provided with a table top movable frame capable of extending the edge of a table top outwards or accommodating the edge of the table top inwards, a power mechanism used for driving the table top movable frame to rotate and lift is arranged inside each table leg, each power mechanism comprises a cam driving component and a motor assembly in driving connection with the cam driving component, each motor assembly comprises a driving motor, a gear box is arranged between each driving motor and the cam driving component, each cam driving component comprises a cam sleeve, the outer wall of each cam sleeve is provided with a spiral groove, the top of each cam sleeve is provided with a guide sleeve, the outer side wall of each guide sleeve is provided with an oblique guide groove, a driving part and a lifting part connected with the driving part are arranged in each cam sleeve, each driving part is provided with a cam block in sliding connection with, the lifting piece is provided with a guide rod connected with the oblique guide groove in a sliding mode, and the cam block is connected with the table top movable frame.

When in use, the electric dining table is stably placed on the ground, the motor assembly arranged in the table feet drives the cam driving component to rotate and lift, the cam sleeve is kept stationary, the driving component is assembled and connected with the table top movable frame through the cam block, the driving motor drives the driving component to rotate through the gear box, the driving component drives the table top movable frame to rotate through the cam block on one hand, the driving component also drives the lifting component to rotate synchronously on the other hand to generate torque, the lifting component rotates up or rotates down along two oppositely-arranged oblique guide grooves arranged on the outer side wall of the guide sleeve through the guide rod to correspondingly generate upward pulling force or downward driving force to the driving component, and finally the driving component drives the cam block to rotate spirally along the spiral groove and lift up and down, so as to drive the table top movable frame to extend the edge of the table top outwards in the rotating, and the edge of the table top is inwards accommodated in the rotating and descending process, so that the aim of randomly switching and using the square table and the round table is fulfilled. The electric direct-drive type telescopic desktop is adopted, so that the operation stability is good, the automation degree is high, the size of the desktop is flexibly adjusted and changed, and different actual use requirements are met.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the movable frame of the desktop of the present invention.

Fig. 3 is a schematic bottom view of the movable frame of the desktop of the present invention.

Fig. 4 is a schematic structural diagram of the power mechanism of the present invention.

Fig. 5 is an exploded view of the cam driving assembly of the present invention.

Fig. 6 is a schematic structural diagram of the motor assembly of the present invention.

Fig. 7 is an exploded view of the planetary gear of the present invention.

The reference numerals include:

1-Table leg

2-table top movable frame 21-cross supporting frame 22-first supporting plate

23-second bearing plate 24-first guide 25-second guide

26-assembly seat 27-connecting shaft 28-rotating seat

281-first power arm 282-second power arm 283-first drive arm

284-second transmission arm 285-first expansion bracket 286-second expansion bracket

287-first slider 288-second slider 29-mounting screw

3-Power mechanism

4-cam driving component 41-cam sleeve 42-spiral groove

43-guide sleeve 44-oblique guide groove 45-driving member

46 lifting piece 47 cam block 48 guide rod

49-upper connecting shaft sleeve

5-motor assembly 51-driving motor 52-gear box

521-lower shell 522-first worm 523-power output shaft

524-second worm 525-first bevel gear 526-second bevel gear

527-Sun gear

6-planet transmission part 61-lower connecting shaft sleeve 62-mounting seat

63-upper shell 64-planet carrier 65-connecting hole

66-rotating shaft 67-planetary gear 68-first mounting hole

69-first mounting screw 610-second mounting hole 611-second mounting screw.

Detailed Description

The present invention is described in detail below with reference to the attached drawings.

As shown in fig. 1 to 7, the direct-drive rotary telescopic electric dining table of the present invention comprises a table leg 1, wherein a table top movable frame 2 capable of extending or receiving the edge of the table top is disposed at the top of the table leg 1, a power mechanism 3 for driving the table top movable frame 2 to rotate and lift is disposed inside the table leg 1, the power mechanism 3 comprises a cam driving component 4 and a motor assembly 5 drivingly connected to the cam driving component 4, the motor assembly 5 comprises a driving motor 51, a gear box 52 is disposed between the driving motor 51 and the cam driving component 4, the cam driving component 4 comprises a cam sleeve 41, a spiral groove 42 is disposed on the outer wall of the cam sleeve 41, a guide sleeve 43 is disposed at the top of the cam sleeve 41, an inclined guide groove 44 is disposed on the outer wall of the guide sleeve 43, a transmission member 45 and a lifting member 46 connected to the transmission member 45 are disposed in the cam sleeve 41, the transmission piece 45 is provided with a cam block 47 in sliding connection with the spiral groove 42, the lifting piece 46 is provided with a guide rod 48 in sliding connection with the inclined guide groove 44, and the cam block 47 is connected with the table top movable frame 2.

When in use, the electric dining table is stably placed on the ground, the motor assembly 5 arranged inside the table leg 1 drives the cam driving component 4 to rotate and lift, the cam sleeve 41 is kept stationary, the transmission piece 45 is assembled and connected with the table top movable frame 2 through the cam block 47, the driving motor 51 drives the transmission piece 45 to rotate through the gear box 52, the transmission piece 45 drives the table top movable frame 2 to rotate through the cam block 47 on one hand, the transmission piece 45 also synchronously drives the lifting piece 46 to rotate to generate torque on the other hand, the lifting piece 46 performs rotating lifting or rotating descending actions along two anti-symmetrically arranged inclined guide grooves 44 arranged on the outer side wall of the guide sleeve 43 through the guide rod 48, and further generates upward pulling force or downward pushing force on the transmission piece 45 correspondingly, and finally the transmission piece 45 drives the cam block 47 to perform spiral rotation and up-down lifting actions along the spiral groove 42, and then drive desktop adjustable shelf 2 outwards to extend the desktop border at rotatory in-process that rises to and inwards accomodate the desktop border at the rotatory in-process that descends, reach the purpose of the arbitrary switching use between square table and the round table. The electric direct-drive type telescopic desktop is adopted, so that the operation stability is good, the automation degree is high, the size of the desktop is flexibly adjusted and changed, and different actual use requirements are met.

As shown in fig. 4, 5 and 7, the transmission member 45 of the present embodiment is provided with an upper connecting sleeve 49 at the bottom, a planetary transmission portion 6 is provided between the motor assembly 5 and the cam driving component 4, the planetary transmission portion 6 is provided with a lower connecting sleeve 61, and the lower connecting sleeve 61 is inserted into the upper connecting sleeve 49. Specifically, the upper connecting shaft sleeve 49 and the lower connecting shaft sleeve 61 are inserted into each other, so that the transmission connection between the cam driving assembly 4 and the planetary transmission part 6 is realized, the connection is stable and reliable, and power is effectively transmitted.

As shown in fig. 4 and 5, the inclined guide groove 44 of the present embodiment has an inclination angle ranging from 30 degrees to 80 degrees. Specifically, the inclination angle range of the oblique guide groove 44 is 30 degrees to 80 degrees, which is beneficial to decomposing the total rotating power into a climbing component force or a descending component force along the oblique guide groove 44, and further correspondingly generating an upward pulling force or a downward pushing force on the transmission member 45, and finally realizing that the transmission member 45 drives the cam block 47 to perform spiral rotation and up-and-down lifting actions along the spiral groove 42, so that the motor assembly 5 is in driving connection with the table top movable frame 2 through the cam block 47 of the cam driving component 4, and further drives the table top movable frame 2 to perform rotation and lifting actions.

As shown in fig. 6, the gear box 52 of the present embodiment includes a lower housing 521, the lower housing 521 is provided with a first worm 522 and a power output shaft 523, the first worm 522 is connected to an output shaft of the driving motor 51, both the first worm 522 and the power output shaft 523 are vertically arranged with the lower housing 521, a second worm 524 is horizontally arranged in the lower housing 521, one end of the second worm 524 is provided with a first bevel gear 525, the first bevel gear 525 is engaged with the first worm 522, the bottom of the power output shaft 523 is connected to a second bevel gear 526, the second bevel gear 526 is engaged with the second worm 524, and the top of the power output shaft 523 is connected to a sun gear 527. Specifically, the output shaft of the driving motor 51 drives the first worm 522 to rotate, the first worm 522 is meshed with the first helical gear 525, so as to drive the first helical gear 525 to rotate, the first helical gear 525 is connected with the second worm 524, so as to drive the second worm 524 to rotate, the second worm 524 is meshed with the second helical gear 526, so as to drive the second helical gear 526 to rotate, the second helical gear 526 is connected with the power output shaft 523, so as to drive the sun gear 527 to rotate through the power output shaft 523, the mechanical transmission efficiency is high, a preferable speed change effect is achieved, and the torque force is increased.

As shown in fig. 4 and 7, the planetary transmission part 6 of the present embodiment includes a mounting seat 62, an upper casing 63 connected to a lower casing 521 is disposed at the bottom of the mounting seat 62, the upper casing 63 is provided with a planet carrier 64, a plurality of connecting holes 65 are disposed at the bottom of the lower connecting sleeve 61, the plurality of connecting holes 65 are distributed in a triangular arrangement, a rotating shaft 66 is disposed in the connecting holes 65, the rotating shaft 66 is connected to a planet gear 67, and the planet gear 67 is meshed with the planet carrier 64 and a sun gear 527. Specifically, the motor assembly 5 is in transmission connection with the cam driving assembly 4 through the planetary transmission part 6, the driving motor 51 drives the sun gear 527 to rotate through the gear box 52, the three planet gears 67 are correspondingly inserted into the three connecting holes 65 through the three rotating shafts 66, so that the three planet gears 67 are arranged and distributed at the bottom of the lower connecting shaft sleeve 61 in a triangular shape, on one hand, the three planet gears 67 are meshed with the outer surface of the sun gear 527 and rotate around the sun gear 527, on the other hand, the three planet gears 67 are meshed with the inner surface of the planet carrier 64 and rotate circumferentially along the planet carrier 64, so that the three planet gears 67 are in high-efficiency transmission between the sun gear 527 and the planet carrier 64, the structure is compact, the transmission efficiency is high, and further, the lower connecting shaft sleeve 61 is driven to rotate by the three planet gears 67, and as the lower connecting shaft sleeve 61 is inserted into the, and then drive cam drive assembly 4 and do rotation and lift action, compact structure connects stably.

As shown in fig. 1, 2 and 3, the movable frame 2 of the table top of the present embodiment includes a cross support 21, a first support plate 22 and a second support plate 23 are disposed in parallel on two sides of the cross support 21, a first guide rail 24 and a second guide rail 25 are respectively disposed on outer sides of the first support plate 22 and the second support plate 23, a middle portion of the cross support 21 is connected to the cam driving assembly 4, an assembling seat 26 is disposed above the cross support 21, and a connecting shaft 27 is connected between the assembling seat 26 and the cross support 21. Specifically, a first support plate 22 and a second support plate 23 are arranged on two sides of the cross support frame 21 in parallel, a first guide rail 24 and a second guide rail 25 are respectively arranged on outer side walls of the first support plate 22 and the second support plate 23, the cam driving assembly 4 is arranged in the middle of the cross support frame 21, the assembling seat 26 is connected with the main table top plate, and the assembling seat 26 is connected with the cross support frame 21 through a plurality of connecting shafts 27.

As shown in fig. 2 and 3, a rotating base 28 is disposed at the bottom of the cross support frame 21 of the present embodiment, an assembling screw 29 is disposed at a connection portion between the rotating base 28 and the cam block 47, a first power arm 281 and a second power arm 282 are disposed at two sides of the rotating base 28, the first power arm 281 and the second power arm 282 are connected to a first transmission arm 283 and a second transmission arm 284, the first transmission arm 283 and the second transmission arm 284 are connected to a first telescopic frame 285 and a second telescopic frame 286, the first telescopic frame 285 is provided with a first slide 287 slidably connected to the first guide rail 24, and the second telescopic frame 286 is provided with a second slide 288 slidably connected to the second guide rail 25. Specifically, the rotating base 28 is connected with the cam block 47 through the assembly screw 29, so as to achieve assembly connection between the cross support 21 and the cam driving component 4, the motor assembly 5 drives the table top moving frame 2 to rotate through the cam driving component 4, the rotating base 28 drives the first power arm 281 and the second power arm 282 to rotate, the first power arm 281 and the second power arm 282 correspondingly push the first expansion bracket 285 and the second expansion bracket 286 to horizontally move through the first driving arm 283 and the second driving arm 284, the first expansion bracket 285 slides along the first guide rail 24 through the first slider 287, the second expansion bracket 286 slides along the second guide rail 25 through the second slider 288, so as to achieve the purpose of extending the table top edge outwards or accommodating the table top edge inwards of the table top moving frame 2, and the operation is continuous, and the movement is stable and rapid.

As shown in fig. 7, four corners of the mounting seat 62 of the present embodiment are provided with first mounting holes 68, and the first mounting holes 68 are provided with first mounting screws 69 fixedly connected with the table legs 1. Specifically, on the one hand, the mounting base 62 is correspondingly and directly inserted into the four first mounting holes 68 through the four first mounting screws 69 to be fixedly connected with the table leg 1, so that the mounting is convenient and fast, and the connection is stable.

As shown in fig. 7, the outer edge of the mounting seat 62 of the present embodiment is provided with a second mounting hole 610, and the second mounting hole 610 is provided with a second mounting screw 611 fixedly connected with the upper housing 63. Specifically, on the other hand, the mounting base 62 is correspondingly and directly inserted into the four second mounting holes 610 through the four second mounting screws 611 to be fixedly connected with the upper housing 63, so that the mounting and dismounting are convenient, and the mounting is firm and is not easy to loosen.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides a rotatory electronic dining table that stretches out and draws back of direct-drive formula, includes the table foot, its characterized in that: the table comprises table legs, a table top movable frame capable of extending the edge of the table top outwards or accommodating the edge of the table top inwards is arranged at the top of the table legs, a power mechanism used for driving the table top movable frame to rotate and lift is arranged inside the table legs, the power mechanism comprises a cam driving component and a motor assembly in driving connection with the cam driving component, the motor assembly comprises a driving motor, a gear box is arranged between the driving motor and the cam driving component, the cam driving component comprises a cam sleeve, a spiral groove is formed in the outer wall of the cam sleeve, a guide sleeve is arranged at the top of the cam sleeve, an oblique guide groove is formed in the outer side wall of the guide sleeve, a transmission part and a lifting part connected with the transmission part are arranged in the cam sleeve, the transmission part is provided with a cam block in sliding connection with the spiral groove, and the lifting, the cam block is connected with the movable frame of the table top.

2. The direct-drive rotary telescopic electric dining table as claimed in claim 1, wherein: the bottom of driving medium is provided with the connecting axle sleeve, be provided with planetary drive portion between motor assembly and the cam drive subassembly, planetary drive portion is provided with down the connecting axle sleeve, lower connecting axle sleeve and last connecting axle sleeve are pegged graft.

3. The direct-drive rotary telescopic electric dining table as claimed in claim 1, wherein: the range of the inclination angle of the inclined guide groove is 30-80 degrees.

4. The direct-drive rotary telescopic electric dining table as claimed in claim 2, wherein: the gear box includes casing down, the casing is provided with first worm and power output shaft down, first worm and driving motor's output shaft, first worm, power output shaft all set up with casing vertically down, the internal level of inferior valve is provided with the second worm, the one end of second worm is provided with first helical gear, first helical gear and first worm meshing, power output shaft's bottom is connected with the second helical gear, second helical gear and second worm meshing, power output shaft's top is connected with the sun gear.

5. The direct-drive rotary telescopic electric dining table as claimed in claim 4, wherein: the planetary transmission portion includes the mount pad, the bottom of mount pad be provided with lower shell connection's last casing, it is provided with the planet carrier to go up the casing, the bottom of connecting axle sleeve is provided with a plurality of connecting hole down, and a plurality of connecting hole is triangle-shaped and arranges the distribution, the axis of rotation has been installed to the connecting hole, the axis of rotation is connected with the planet wheel, planet wheel and planet carrier, sun gear meshing.

6. The direct-drive rotary telescopic electric dining table as claimed in claim 1, wherein: the desktop movable frame comprises a cross-shaped support frame, a first support plate and a second support plate are arranged on two sides of the cross-shaped support frame in parallel, a first guide rail and a second guide rail are respectively arranged on the outer sides of the first support plate and the second support plate, the middle of the cross-shaped support frame is connected with a cam driving assembly, an assembly seat is arranged above the cross-shaped support frame, and a connecting shaft is connected between the assembly seat and the cross-shaped support frame.

7. The direct-drive rotary telescopic electric dining table as claimed in claim 6, wherein: the bottom of cross supporting rack is provided with rotates the seat, the junction between rotation seat and the cam piece is provided with assembly screw, the both sides of rotating the seat are provided with first power arm and second power arm respectively, first power arm and second power arm are connected with first transmission arm and second transmission arm respectively, first transmission arm and second transmission arm are connected with first expansion bracket and second expansion bracket respectively, first expansion bracket is provided with the first slider with first guide rail sliding connection, the second expansion bracket is provided with the second slider with second guide rail sliding connection.

8. The direct-drive rotary telescopic electric dining table as claimed in claim 5, wherein: four corners of the mounting seat are provided with first mounting holes, and the first mounting holes are provided with first mounting screws fixedly connected with the table legs.

9. The direct-drive rotary telescopic electric dining table as claimed in claim 8, wherein: the outer side edge of the mounting seat is provided with a second mounting hole, and the second mounting hole is provided with a second mounting screw fixedly connected with the upper shell.