CN211065447U

CN211065447U - Telescopic table

Info

Publication number: CN211065447U
Application number: CN201921190212.5U
Authority: CN
Inventors: 张俏卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-07-24
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a telescopic table, which comprises a supporting frame, the auxiliary table top and the main table top, the upper end of the supporting frame is provided with a rotating sleeve, a rotating shaft for supporting the middle main table top is inserted in the rotating sleeve, the periphery of the upper end of the rotating sleeve is fixedly connected with a disc brake sheet which extends outwards, an adjusting mechanism is arranged between the rotating shaft and the upper end of the supporting frame, a supporting arm is further arranged above the supporting frame, one end of the supporting arm close to the rotating shaft is fixedly connected with a disc brake lock matched with the disc brake sheet, one side of the disc brake lock is provided with a pull rod, the other end of the supporting arm is fixedly provided with a group of fixed guide rails, two ends of the fixed guide rails are respectively provided with a movable guide rail frame, two sides of the rotating sleeve are further symmetrically provided with two driving rods, the outer end parts of the two driving rods are respectively pivoted with a connecting rod connected with the. Compared with the prior art, the utility model the advantage lie in: simple structure, convenient operation, and reduction in production cost.

Description

Telescopic table

Technical Field

The utility model relates to a technical field is made to the house, specifically indicates a telescopic desk.

Background

The table is an article frequently used in daily life, the types and the functions are also various, the main table tops on the left side and the right side are driven by two groups of guide rails which can be installed on two sides of a table frame in a linkage mode to be folded towards the middle or unfolded towards two sides, when the table tops need to be expanded, the main table tops on the two sides are unfolded, the auxiliary table tops in the middle are lifted manually, the two main table tops are pushed to be folded with the auxiliary table tops in the middle, and the table with the expandable table tops is quite complex in structure, high in production cost and inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a telescopic desk, simple structure, convenient operation, and reduction in production cost.

In order to solve the technical problem, the utility model provides a technical scheme does: a telescopic table comprises a support frame, auxiliary table tops on two sides and a main table top in the middle, wherein a rotary sleeve is arranged at the upper end of the support frame, a rotary shaft for supporting the main table top in the middle is inserted in the rotary sleeve, an outwardly extending disc brake sheet is fixedly connected to the periphery of the upper end of the rotary sleeve, an adjusting mechanism for enabling the rotary shaft to ascend and descend vertically in the rotary sleeve to switch the height position is arranged between the rotary shaft and the upper end of the support frame, a support arm sleeved on the rotary shaft is further arranged above the support frame, a disc brake lock matched with the disc brake sheet is fixedly connected to one end, close to the rotary shaft, of the support arm, a pull rod is arranged on one side of the disc brake lock, a set of fixed guide rails is fixedly arranged on the other end of the support arm, movable guide rail frames for supporting the auxiliary table tops on two sides are respectively arranged at two ends of the fixed guide rails, two drive rods are further symmetrically arranged on two sides of the rotary sleeve, and a movable connecting mechanism which enables the supporting arm and the rotating shaft to synchronously rotate is arranged between the supporting arm and the rotating shaft.

As the improvement, adjustment mechanism is including offering the high-order guide way of level, the low-order guide way of level on the periphery wall of pivot lower extreme and connecting the slant guide way between high-order guide way of level and the low-order guide way of level, seted up the through-hole on the swivel sleeve, be equipped with the screw rod that extends into in the guide way on the through-hole.

As an improvement, the end part of the screw rod is provided with a roller embedded into the guide groove.

As an improvement, the upper end part of the rotating shaft is provided with a central panel, and the main table top is arranged on the central panel.

As an improvement, the movable connecting mechanism comprises a guide post arranged on the central panel and a guide post arranged on the supporting arm, and the supporting arm and the rotating shaft synchronously rotate under the action of the guide post.

Compared with the prior art, the utility model the advantage lie in: when the table with the structure needs to be expanded or folded, only the main table top needs to be rotated, and meanwhile, the disc brake is adopted, a fixed locking position is not arranged, so that the table is very convenient to adjust and control and is very simple.

Drawings

Fig. 1 is a schematic structural view of the retractable table of the present invention when it is expanded.

Fig. 2 is a schematic structural view of the retractable table of the present invention when retracted.

Fig. 3 is a top view of the retractable table frame of the retractable table of the present invention.

Fig. 4 is a perspective view of the retractable table frame of the present invention when the retractable table is retracted.

Fig. 5 is a perspective view of the table frame of the retractable table of the present invention when it is expanded.

Fig. 6 is a locking state diagram of the retractable table disc brake of the utility model.

Fig. 7 is a diagram of the retractable table with a disc brake unlocked state.

Fig. 8 is a schematic structural view of an adjusting mechanism of a retractable table of the present invention.

As shown in the figure: 1. support frame, 2, supplementary desktop, 3, main desktop, 4, commentaries on classics cover, 5, pivot, 6, support arm, 7, pull rod, 8, fixed guide, 9, activity guide rail frame, 10, actuating lever, 11, connecting rod, 12, horizontal high-order guide way, 13, horizontal low level guide way, 14, slant guide way, 15, through-hole, 16, screw rod, 17, gyro wheel, 18, center panel, 19, guide pillar, 20, the dish piece of stopping, 21, the dish lock of stopping.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-8, the utility model relates to a telescopic table, which mainly comprises a support frame 1, two auxiliary table tops 2 at two sides and a middle main table top 3, wherein the upper end of the support frame 1 is provided with a rotating sleeve 4, the rotating sleeve 4 is provided with a rotating shaft 5 for supporting the middle main table top 3, the upper circumference of the rotating sleeve 4 is fixedly connected with an outward extending disc brake sheet 20, and an adjusting mechanism for enabling the rotating shaft 5 to be lifted up and down in the rotating sleeve 4 for switching the height position is arranged between the rotating shaft 5 and the upper end of the support frame 1; a cross-shaped supporting arm 6 sleeved on the rotating shaft 5 is further arranged above the supporting frame 1, one end of the supporting arm 6 close to the rotating shaft 5 is fixedly connected with a disc brake lock 21 matched with a disc brake sheet 20, one side of the disc brake lock 21 is provided with a pull rod 7, the other end of the supporting arm 6 is fixedly provided with a group of fixed guide rails 8, and two ends of each fixed guide rail 8 are respectively provided with a movable guide rail frame 9 for supporting the auxiliary table tops 2 on two sides; the upper end of the support frame 1 is also symmetrically provided with two driving rods 10, and the outer end parts of the two driving rods 10 are respectively pivoted with a connecting rod 11 connected with the middle parts of the movable guide rail brackets 9 at the two sides; a movable connecting mechanism which enables the supporting arm 6 and the rotating shaft 5 to synchronously rotate is arranged between the supporting arm 6 and the rotating shaft 5. The adjusting mechanism comprises a horizontal high-position guide groove 12 and a horizontal low-position guide groove 13 which are arranged on the outer peripheral wall of the lower end of the rotating shaft, and an inclined guide groove 14 which is connected between the horizontal high-position guide groove 12 and the horizontal low-position guide groove 13, a through hole 15 is formed in the rotating sleeve 4, and a screw 16 which extends into the guide groove is arranged on the through hole. In order to reduce friction during movement, it is preferable to provide rollers 17 at the end of the screw 16 that fit into the guide grooves. For convenience of installation, it is preferable that a center panel 18 is provided at an upper end portion of the rotary shaft 5, and the main table top 3 is installed on the center panel 18. The movable connection mechanism comprises a guide post 19 arranged on the central panel and a guide post 19 arranged on the supporting arm 6, and the supporting arm 6 and the rotating shaft 5 synchronously rotate under the action of the guide post 19.

The working principle is as follows: the main tabletop 3 is rotated counterclockwise, the auxiliary tabletops 2 at the two sides are automatically opened slightly under the action of the driving rod 10 and the connecting rod 11, and simultaneously the middle main tabletop 3 automatically descends to the same height as the auxiliary tabletop 2 at the two sides. Finally, three desktops are combined into a new shape, and therefore the effect of desktop expansion is achieved. The pull rod 7 below the table top is pushed, the disc brake sheet 20 is locked through the disc brake lock 21, and the table is locked in an open state.

When the table top needs to be folded, the pull rod 7 below the table top is firstly pulled open, and the main table top is rotated and unlocked. Then the main tabletop 3 is rotated clockwise, at this time, the main tabletop 3 will rise automatically, and the auxiliary tabletops 2 at both sides will be folded under the main tabletop 3 automatically, to achieve the effect of folding the tabletop, finally, the pull rod 7 is pushed to lock the table in the folded state.

Structural description of each component:

center panel 18:

the main function of the central panel 18 is to connect the main tabletop 3 and the rotation shaft 5. In addition, two guide posts 19 are mounted on the central panel 18. Under the action of the guide post 19, the main tabletop 3, the rotating shaft 5 and the supporting arm 6 synchronously rotate.

A rotating shaft 5:

the rotating shaft 5 is precisely matched with the rotating sleeve 4. The rotating shaft 5 is provided with a rotating guide groove which comprises a horizontal high-position guide groove 12, a horizontal low-position guide groove 13 and an oblique guide groove 14 connected between the horizontal high-position guide groove 12 and the horizontal low-position guide groove 13, and the rotating shaft 5 is converted into the vertical movement of the rotating shaft 5 relative to the rotating sleeve 4 under the action of a screw 16 and a roller 17.

The support arm 6:

two guide post holes are arranged on the supporting arm 6, and the guide posts 19 can move up and down in the holes. The two sides of the supporting arm 6 are provided with fixed guide rails 8. Two ends of the fixed guide rail 8 are respectively provided with a movable guide rail bracket 9 for connection, so that the movable guide rail brackets 9 can horizontally move and slide relative to the fixed guide rail 8 at two ends of the fixed guide rail 8. The position of the supporting arm 6 close to the rotating sleeve 4 is fixedly provided with a disc brake lock 21 matched with the disc brake sheet 20 through a screw, and one side of the disc brake lock 21 is provided with a pull rod 7 in a rotating mode.

Movable guide rail frame 9:

the movable guide rail frame 9 is provided with a plurality of elongated holes which are used for installing the auxiliary table tops 2 at two sides. The movable guide rail bracket 9 carries the auxiliary tabletop 2 to slide and translate on the fixed guide rail 8. A connecting rod 11 is arranged between the movable guide rail bracket 9 and a driving rod 10 of the rotating sleeve 4, and the connecting rod 11 realizes the hinging of the movable guide rail bracket 9 and the driving rod 10. With the rotary sleeve 4 stationary, the movable rail bracket 9 will move in extension and retraction relative to the fixed rail 8.

And (4) rotating the sleeve:

the rotating sleeve 4 mainly plays a role in guiding the up-and-down movement and the rotation of the rotating shaft 5. Meanwhile, the bottom of the rotating sleeve 4 is arranged on the support frame 1, and plays an important role in stabilizing the whole table.

Disc brake lock 21:

clockwise rotation pull rod 7 for the dish is stopped and is locked and realize the function of locking each other between lock 21 and the dish piece 20 of stopping, and pull rod 7 anticlockwise rotation makes dish lock 21 and dish stop and the function that realizes unblanking between the piece 20 of stopping alternate segregation, has adopted to be applied to the dish on the wheel and has stopped, does not have fixed locking position, simple structure, easy realization.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A retractable table is characterized in that: the multifunctional table comprises a support frame (1), auxiliary table tops (2) on two sides and a middle main table top (3), wherein a rotary sleeve (4) is arranged at the upper end of the support frame (1), a rotary shaft (5) for supporting the middle main table top (3) is inserted in the rotary sleeve (4), an outward-extending disc brake sheet (20) is fixedly connected to the periphery of the upper end of the rotary sleeve (4), an adjusting mechanism for enabling the rotary shaft (5) to ascend and descend in the rotary sleeve (4) to switch the height position is arranged between the rotary shaft (5) and the upper end of the support frame (1), a support arm (6) sleeved on the rotary shaft (5) is further arranged above the support frame (1), a disc brake lock (21) matched with the disc brake sheet (20) is fixedly connected to one end close to the rotary shaft (5) of the support arm (6), a pull rod (7) is arranged on one side of the disc brake lock (21), and a set of fixed guide rails (8) is fixedly installed at the other, the two ends of the fixed guide rail (8) are respectively provided with a movable guide rail frame (9) for supporting the auxiliary table tops (2) at the two sides, the two sides of the rotating sleeve (4) are further symmetrically provided with two driving rods (10), the outer end parts of the two driving rods (10) are respectively pivoted with a connecting rod (11) connected with the middle parts of the movable guide rail frames (9) at the two sides, and a movable connecting mechanism for enabling the supporting arm (6) and the rotating shaft (5) to synchronously rotate is further arranged between the supporting arm (6) and the rotating shaft (5).

2. The retractable table as in claim 1, wherein: adjustment mechanism is including offering horizontal high-order guide way (12), horizontal low level guide way (13) and connecting slant guide way (14) between horizontal high-order guide way (12) and horizontal low level guide way (13) on the periphery wall of pivot lower extreme, having seted up through-hole (15) on changeing cover (4), be equipped with on through-hole (15) and extend into screw rod (16) in the guide way.

3. The retractable table as in claim 2, wherein: the end part of the screw rod (16) is provided with a roller (17) embedded into the guide groove.

4. The retractable table as in claim 1, wherein: the upper end part of the rotating shaft (5) is provided with a central panel (18), and the main table top (3) is arranged on the central panel (18).

5. The retractable table as in claim 1, wherein: the movable connecting mechanism comprises a guide post (19) arranged on the central panel and a guide post (19) arranged on the supporting arm (6), and the supporting arm (6) and the rotating shaft (5) synchronously rotate under the action of the guide post (19).