CN116236025A

CN116236025A - Extension dining table with adjustable movable table top

Info

Publication number: CN116236025A
Application number: CN202310239387.5A
Authority: CN
Inventors: 叶谋銮
Original assignee: Shenzhen Jianhui Fenggunaier Furniture Hardware Technology Co ltd
Current assignee: Shenzhen Jianhui Fenggunaier Furniture Hardware Technology Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-06-09

Abstract

The invention provides an extension dining table with an adjustable movable table top. The adjustable extension dining-table bag of movable table top: rear rollers, support bars and front rollers; the second rotating groove is formed in the rear roller; the rotating ring is arranged in the second rotating groove, and a plurality of second balls are arranged outside the rotating ring. The adjustable stretching dining table with the movable table top provided by the invention has an adjusting function, and can perfectly solve the phenomena of gaps and unevenness after the table top is closed; the front roller structure has an anti-rotation function, is simple and convenient to install, is easy to screw up, cannot loosen, and effectively avoids the risk of derailment of the supporting rod roller; the height of the movable table top can be adjusted only by manually screwing the height adjusting handle; the rear roller structure is from taking anti-rotation function, and simple installation is easy to screw up can not become flexible, has effectively avoided the risk of gyro wheel derailment behind the bracing piece, the effectual effect that has improved the safety and the stability of bracing piece use.

Description

Extension dining table with adjustable movable table top

Technical Field

The invention relates to the field of extension dining tables, in particular to an extension dining table with an adjustable movable table top.

Background

The original meaning of a dining table refers to a table specially used for dining. The materials can be classified into solid wood dining tables, steel wood dining tables, marble tea tables, jade dining tables, marble dining tables and the like.

Along with the development of the dining table manufacturing industry, the telescopic dining table is invented, is a household article, is attractive and elegant, does not occupy space and is convenient to use, and a large part of space is saved in the dining table.

The original extending dining-table slide rail has the following defects:

1. the installation effect is as follows: the prior sliding rail has the phenomenon that the top and the bottom of the table surface are uneven after the table surface is opened and closed due to installation and processing errors;

2. internal structure: the roller and the support rod are difficult to install, the roller rotates during installation, the installation is unreliable, and under the condition of repeated use, the roller is loose, and the support rod has the risk of derailment;

3. the secondary table surface is difficult to adjust: the auxiliary table surface and the main table surface are uneven after the device is used for a period of time, professional staff is required to adjust the device by means of professional tools, and terminal experience is poor.

Accordingly, there is a need for an adjustable extension dining table with an adjustable movable table top that solves the above-mentioned problems.

Disclosure of Invention

The invention provides an extension dining table with an adjustable movable table top, which solves the problems of a plurality of defects of the existing plurality of extension dining table sliding rails.

In order to solve the above technical problems, the adjustable stretching dining table of the present invention comprises: rear rollers, support bars and front rollers;

the second rotating groove is formed in the rear roller;

the rotating ring is arranged in the second rotating groove, a plurality of balls are arranged outside the rotating ring, a connecting rod is arranged on one side of the rotating ring, and a screw rod II is arranged at one end of the connecting rod;

the rear roller bearing is formed by turning a hexagonal column and penetrates through a hexagonal step hole in the supporting rod;

the first rotating groove is formed in the front roller, the first rotating groove is connected with a connecting rod through one rotation of a plurality of balls, a first screw hole is formed in the connecting rod, a first screw rod is connected to the inner thread of the first screw hole, a limiting ring is fixedly connected to the outer portion of the connecting rod, a gasket is sleeved on the outer portion of the connecting rod, one side of the connecting rod, which is located on the outer portion of the connecting rod, is provided with a locking handle, threads are formed in the outer portion of the connecting rod and one side of the limiting ring, the riveting nut is riveted in the nut groove, only the connecting rod can rotate and move up and down, the height of the front roller is fixed, and the front roller is limited to move in a long round hole of the supporting rod under a pressed state.

The rear roller bearing is formed by turning a hexagonal column, penetrates through a hexagonal step hole in the supporting rod, and has a limiting function, so that the roller is convenient to screw and is prevented from loosening, and a plurality of second balls are uniformly connected to the outside of the rotating ring in an annular rotating manner.

The screw rod is characterized in that a fixing nut is arranged outside the screw rod II, a butt joint rod is arranged outside the screw rod II through a screw hole II, a flat pad is arranged at one end of the butt joint rod, a butt joint nut is fixedly connected with one end of the butt joint rod, the fixing nut is a hexagon nut and is located inside a hexagonal stepped hole, and the flat pad is used for isolating the butt joint position of the butt joint nut and a rear roller connecting block.

The connecting plate is installed at the top of bracing piece, the outside fixedly connected with back gyro wheel connecting block of bracing piece, round via hole has been seted up to the inside of back gyro wheel connecting block, hexagonal step hole has all been seted up to round via hole's both sides.

The hexagonal step holes are formed in two sides of the rear roller connecting block, and the round through holes are respectively communicated with the hexagonal step holes formed in two sides.

One side of the locking handle is fixedly connected with a thread cylinder, a thread groove is formed in the thread cylinder, and the thread groove is in threaded connection with threads on the outer portion of the connecting rod.

One end fixedly connected with adjusting screw of screw rod one, riveting nut is installed to the other end of screw rod one, riveting nut is located the inside in nut groove.

The adjusting handle is arranged outside the adjusting screw, a hexagonal groove corresponding to the adjusting screw is formed in one end of the adjusting handle, a round hole groove is formed in the hexagonal groove at one end of the adjusting handle, a mounting screw is arranged in the adjusting handle, and the mounting screw penetrates through the round hole groove in the adjusting handle and is connected with the adjusting screw.

The inside of bracing piece is provided with the location section of thick bamboo, nut groove has been seted up to the inside of location section of thick bamboo, the top of bracing piece is provided with the connecting plate.

The inside of bracing piece just is located the below of positioning tube and has seted up movable groove, the intercommunicating pore has been seted up to the inside in movable groove, intercommunicating pore one end runs through and extends to the inside in nut groove.

Compared with the related art, the adjustable stretching dining table with the movable table top has the following beneficial effects:

the invention provides an adjustable stretching dining table with a movable table top, which has an adjusting function and can perfectly solve the phenomena of gaps and unevenness after the table top is closed;

the front roller structure has the anti-rotation function, is simple and convenient to install, is easy to screw, and can not loosen under the condition of long-term repeated use, so that the risk of derailment of the supporting rod roller is effectively avoided;

the height adjusting handle is manually screwed to adjust the height of the movable table top;

the rear roller structure is from taking anti-rotation function, simple installation, and easy tightening, under the circumstances of using repeatedly, the rear roller can not become flexible, and rear roller bearing is spacing with bracing piece hexagonal, all can prevent the bearing rotation in locking and the use, has effectively avoided the risk that the gyro wheel derailed behind the bracing piece, the effectual safety and the stability that has improved the bracing piece and use.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of a extendable dining table with adjustable movable table top according to the present invention;

FIG. 2 is a schematic view of a support rod according to the present invention;

FIG. 3 is a schematic view of the structure of the adjusting handle provided by the invention;

FIG. 4 is a schematic view of the structure of the adjusting screw according to the present invention;

fig. 5 is a schematic structural view of a knock nut according to the present invention;

fig. 6 is a schematic structural view of a flat pad according to the present invention.

Reference numerals in the drawings: 1. the support table comprises a support table body, 2, a main table top, 3, a movable table top, 4, a sliding rail, 5, an upright post, 6, a positioning cylinder, 7, a nut groove, 8, a movable groove, 9, a communication hole, 10, a support rod, 11, a connecting plate, 12, a rear roller connecting block, 13, a hexagonal stepped hole, 14, a round through hole, 15, an adjusting handle, 16, a mounting screw, 17, a screw hole I, 18, a thread groove, 19, a thread cylinder, 20, a locking handle, 21, a front roller, 22, a connecting rod, 23, an adjusting screw, 24, a screw I, 25, a gasket, 26, a limiting ring, 27, a riveting nut, 28, a rotating groove I, 29, a ball I, 30, a rear roller, 31, a ball II, 32, a connecting rod, 33, a rotating groove II, 34, a screw II, 35, a knock nut, 36, a rotating ring, 37, a fixing nut, 38, a butt rod, 39, a flat pad, 40 and a screw hole II.

Detailed Description

The invention will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a extendable dining table with an adjustable movable table top according to the present invention; FIG. 2 is a schematic view of a support rod according to the present invention; FIG. 3 is a schematic view of the structure of the adjusting handle provided by the invention; FIG. 4 is a schematic view of the structure of the adjusting screw according to the present invention; fig. 5 is a schematic structural view of a knock nut according to the present invention; fig. 6 is a schematic structural view of a flat pad according to the present invention. The adjustable extension dining table of movable table top includes: rear roller 30, support bar 10 and front roller 21;

a second rotating groove 33, wherein the second rotating groove 33 is arranged in the rear roller 30;

the rotating ring 36 is arranged in the second rotating groove 33, a plurality of balls II 31 are arranged outside the rotating ring 36, a connecting rod 22 is arranged on one side of the rotating ring 36, and a screw II 34 is arranged at one end of the connecting rod 22;

the rear roller 30 bearing is formed by turning a hexagonal column and penetrates through the hexagonal step hole 13 in the support rod 10;

the first rotating groove 28 is formed in the front roller 21, the first rotating groove 28 is connected with the connecting rod 22 through a plurality of first balls 29 in a rotating mode, a first screw hole 17 is formed in the connecting rod 22, a first screw 24 is connected to the first screw hole 17 in a threaded mode, a limiting ring 26 is fixedly connected to the outer portion of the connecting rod 22, a gasket 25 is sleeved on the outer portion of the connecting rod 22, a locking handle 20 is arranged on one side of the gasket 25, threads are formed on the outer portion of the connecting rod 22 and on one side of the limiting ring 26, a riveting nut 27 is riveted in the nut groove 7, only can perform rotary motion and cannot move up and down, the height of the front roller 21 is fixed, the front roller 21 is limited to move in a long round hole of the supporting rod 10 in a pressed state, the hexagonal step hole 13 plays a limiting role, the rolling shaft is convenient to screw and the rolling shaft is prevented from loosening, the second balls 31 are evenly and rotatably connected to the outer portion of the rotating ring 36, and a circle of rolling ring 31 is arranged in the inner portion of the second rotating groove 33.

The rear roller 30 bearing is formed by turning a hexagonal column, penetrates through the hexagonal step hole 13 in the supporting rod 10, the hexagonal step hole 13 plays a limiting role, is convenient for screwing the roller and preventing the roller from loosening, a plurality of second balls 31 are annularly and uniformly connected to the outside of the rotating ring 36 in a rotating mode, and a circle of annular grooves are formed in the second rotating groove 33 and used for the second balls 31 to roll inside.

The outside of screw rod two 34 is provided with fixation nut 37, the outside of screw rod two 34 is installed butt joint pole 38 through screw two 40, the one end of butt joint pole 38 is provided with flat pad 39, and the one end fixedly connected with of butt joint pole 38 is to the nut 35, and fixation nut 37 is the hexagon nut, is located the inside of hexagonal step hole 13, flat pad 39 is used for keeping apart the butt joint department of nut 35 and back gyro wheel connecting block 12, avoids installing the nut 35 and causes wearing and tearing to the surface of back gyro wheel connecting block 12.

The connecting plate 11 is installed at the top of bracing piece 10, the outside fixedly connected with back gyro wheel connecting block 12 of bracing piece 10, round via hole 14 has been seted up to the inside of back gyro wheel connecting block 12, hexagonal step hole 13 has all been seted up to the both sides of round via hole 14.

The hexagonal step holes 13 are formed on two sides of the rear roller connecting block 12, and the round through holes 14 are respectively communicated with the hexagonal step holes 13 formed on two sides.

A thread cylinder 19 is fixedly connected to one side of the locking handle 20, a thread groove 18 is formed in the thread cylinder 19, and the thread groove 18 is in threaded connection with threads on the outer portion of the connecting rod 32.

One end of the first screw rod 24 is fixedly connected with an adjusting screw 23, the other end of the first screw rod 24 is provided with a riveting nut 27, and the riveting nut 27 is positioned in the nut groove 7.

The outside of adjusting screw 23 is provided with adjustment handle 15, the hexagonal groove corresponding with adjusting screw 23 has been seted up to the one end of adjustment handle 15, the round hole groove has been seted up to the inside in the hexagonal groove of adjustment handle 15 one end, and the inside of adjustment handle 15 is provided with mounting screw 16, mounting screw 16 passes and is connected between the inside round hole groove of adjustment handle 15 and the adjusting screw 23.

The inside of bracing piece 10 is provided with a positioning tube 6, nut groove 7 has been seted up to the inside of positioning tube 6, the top of bracing piece 10 is provided with connecting plate 11.

The inside of bracing piece 10 and be located the below of positioning tube 6 and seted up movable groove 8, the intercommunicating pore 9 has been seted up to the inside of movable groove 8, intercommunicating pore 9 one end runs through and extends to the inside of nut groove 7, and the other end runs through and extends to the bottom surface of bracing piece 10.

The working principle of the adjustable stretching dining table with the movable table top provided by the invention is as follows:

the adjusting handle 15 is screwed clockwise, the front roller 21 moves downwards in the inner oblong hole of the supporting rod 10, and the height of the supporting rod 10 is adjusted upwards, so that the movable table top 3 is adjusted upwards, and vice versa;

the adjusting screw 23 has two functions, namely, one is used for adjusting the height of the front roller 21, and the other is used for limiting, so that the front roller 21 is convenient to screw and the front roller 21 is prevented from loosening;

the principle of the regulation is as follows:

the adjusting handle 15 is consistent with the hand-screwed part of the locking handle 20, and the adjusting force and the screwing force which can be applied by the adjusting handle are basically consistent; because the screw thread of the adjusting screw 23 has the function of increasing the moment, the adjusting handle 15 can provide larger up-down adjusting force under the condition that the adjusting force and the screwing force are relatively equal, so that the height of the front roller 21 can be adjusted only by adjusting the handle 15;

if the movable table top 3 is lower than the fixed table top, the adjusting handles on the corresponding sides are rotated clockwise; if the movable table top 3 is higher than the fixed table top, the adjusting handles on the corresponding sides are rotated anticlockwise;

when the adjustment is carried out, the fixing nut 37 in the rear roller 30 is installed into the hexagonal step hole 13, the fixing nut is limited by the hexagonal step hole 13, the roller is screwed to prevent the loosening of the roller, and then the pair-knocking nut 35 is inserted and is fixedly connected with the screw rod II 34 through the screw hole II 40;

when moving, the rear roller 30 rotates in the sliding track through the plurality of second balls 31 in the rotating ring 36, and the rear roller 30 rotates itself, so that the rear roller 30 can avoid noise.

the adjustable table top has an adjusting function, and can perfectly solve the phenomenon of gaps and unevenness after the table top is closed;

the front roller 21 has the anti-rotation function, is simple and convenient to install, is easy to screw, and can not loosen under the condition of long-term repeated use, so that the risk of derailment of the rollers of the support rod 10 is effectively avoided;

the height adjusting effect can be achieved by manually screwing the height adjusting handle 15, so that the height of the movable table top 3 can be adjusted;

the rear roller 30 structure is from taking anti-rotation function, simple installation, and easy tightening, under the circumstances of using repeatedly, the rear roller can not become flexible, and rear roller 30 bearing is spacing with bracing piece 10 hexagonal, all can prevent the bearing rotation in locking and the use, has effectively avoided the risk that bracing piece 10 rear roller 30 derailed, the effectual safety and the stability that has improved bracing piece 10 use.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. An adjustable spreading dining-table with adjustable movable table top, comprising: a rear roller (30), a support bar (10) and a front roller (21);

the second rotating groove (33) is formed in the rear roller (30);

the rotary ring (36), the rotary ring (36) is arranged in the second rotary groove (33), a plurality of second balls (31) are arranged outside the rotary ring (36), a connecting rod (22) is arranged on one side of the rotary ring (36), and a second screw (34) is arranged at one end of the connecting rod (22);

the first rotating groove (28), the inside of gyro wheel (21) before rotating groove (28) is seted up, the inside of rotating groove (28) is connected with connecting rod (22) through the rotation of a plurality of balls (29), screw (17) have been seted up to the inside of connecting rod (22), the inside threaded connection of screw (17) has screw rod (24), and the outside fixedly connected with spacing ring (26) of connecting rod (22), the outside cover of connecting rod (22) is equipped with packing ring (25), the outside of connecting rod (22) just is located one side of packing ring (25) and is provided with locking handle (20).

2. The adjustable table top stretching dining-table according to claim 1, wherein the rear roller (30) bearing is machined from a hexagonal column through a hexagonal stepped hole (13) in the support bar (10).

3. The adjustable stretching dining-table of claim 1, wherein a fixing nut (37) is arranged outside the second screw rod (34), a butt joint rod (38) is arranged outside the second screw rod (34) through a second screw hole (40), a flat pad (39) is arranged at one end of the butt joint rod (38), and a butt-joint nut (35) is fixedly connected to one end of the butt joint rod (38).

4. The adjustable stretching dining table of claim 1, wherein the top of the supporting rod (10) is provided with a connecting plate (11), a rear roller connecting block (12) is fixedly connected to the outside of the supporting rod (10), a round through hole (14) is formed in the rear roller connecting block (12), and hexagonal step holes (13) are formed in two sides of the round through hole (14).

5. The extendable dining table with adjustable movable table top according to claim 1, wherein the hexagonal step holes (13) are formed on both sides of the rear roller connecting block (12), and the round through holes (14) are respectively communicated with the hexagonal step holes (13) formed on both sides.

6. The adjustable stretching dining table of claim 1, wherein one side of the locking handle (20) is fixedly connected with a threaded cylinder (19), and a threaded groove (18) is formed in the threaded cylinder (19).

7. The adjustable stretching dining-table according to claim 1, wherein one end of the first screw rod (24) is fixedly connected with an adjusting screw (23), and the other end of the first screw rod (24) is provided with a riveting nut (27).

8. The adjustable stretching dining table of claim 7, wherein the adjusting screw (23) is provided with an adjusting handle (15) outside, a hexagonal groove corresponding to the adjusting screw (23) is formed in one end of the adjusting handle (15), a round hole groove is formed in the inside of the hexagonal groove at one end of the adjusting handle (15), and a mounting screw (16) is arranged in the inside of the adjusting handle (15).

9. The adjustable stretching dining-table of claim 1, wherein a positioning cylinder (6) is arranged in the supporting rod (10), a nut groove (7) is formed in the positioning cylinder (6), and a connecting plate (11) is arranged at the top of the supporting rod (10).

10. The extendable dining-table with adjustable movable table top according to claim 9, wherein the movable slot (8) is provided in the support bar (10) and below the positioning cylinder (6), and the communication hole (9) is provided in the movable slot (8).