CN216220660U

CN216220660U - Functional frame of dining table with bidirectional stretching and contracting functions

Info

Publication number: CN216220660U
Application number: CN202122269996.4U
Authority: CN
Inventors: 李映
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-08
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to the technical field of dining table function frames, in particular to a bidirectional stretching and shrinking function dining table function frame which comprises a table board mounting plate, wherein a middle shaft is welded in the middle of the lower end of the table board mounting plate, a cross main frame, a protective washer, an auxiliary top ring, a top ring separation bearing, a main top ring and a main top ring bearing are sequentially arranged on the middle shaft from top to bottom, a supporting bearing is fixedly arranged on the cross main frame through screws, a first U-shaped pipe and a second U-shaped pipe are arranged on the cross main frame through four groups of guide rails, and a first connecting rod and a second connecting rod are respectively and fixedly arranged at the lower ends of the first U-shaped pipe and the second U-shaped pipe through screws. The utility model is used on a functional dining table, and when only one small table surface is pulled independently, the small table surfaces at two sides separated by the dining table surface can be simultaneously stretched and lifted to be matched with the large table surface or be descended and collected to be below the large table surface at the middle, thereby realizing the bidirectional stretching and shrinking function of the dining table surface.

Description

Functional frame of dining table with bidirectional stretching and contracting functions

Technical Field

The utility model relates to the technical field of dining table functional frames, in particular to a functional frame of a dining table with bidirectional stretching and shrinking functions.

Background

At present, dining tables are very important furniture in people's lives, and the types of the dining tables gradually begin to diversify for the improvement of the living standard of people at present.

The patent with the application number of CN202021414451.7 discloses a dining table, which comprises a supporting frame and a table top board arranged above the supporting frame, wherein the supporting frame comprises a fixing part detachably connected with the table top board, a supporting rod connected with the fixing part and table legs arranged at one end of the supporting rod far away from the fixing part; at least three support rods are arranged; the support rod comprises a first support rod hinged with one side of the fixing part, a second support rod hinged with one side of the table leg and a connecting part for connecting the first support rod and the second support rod; the connecting part is in a square tube shape, and one side of the connecting part close to the desktop plate is in an opening structure; the end part of the first supporting rod close to the second supporting rod is inserted into one end of the connecting part and is connected with the connecting part through a bolt; the end part of the second supporting rod close to the first supporting rod is inserted into the other end of the connecting part and is connected with the connecting part through a bolt.

The dining table can not be stretched and contracted, and the area and the shape of the table top can not be changed, so that the range is limited.

Therefore, a functional frame of a dining table with bidirectional stretching and shrinking functions is provided.

Disclosure of Invention

The utility model aims to provide a functional frame of a dining table with bidirectional stretching and shrinking functions, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a functional frame of a dining table with bidirectional stretching and shrinking functions comprises a table board mounting plate, wherein a middle shaft is welded in the middle of the lower end of the table board mounting plate, a cross main frame, a protective washer, an auxiliary top ring, a top ring separating bearing, a main top ring and a main top ring bearing are sequentially mounted on the middle shaft from top to bottom, a supporting bearing is fixedly mounted on the cross main frame through screws, a first U-shaped pipe and a second U-shaped pipe are mounted on the cross main frame through four groups of guide rails, the lower ends of the first U-shaped pipe and the second U-shaped pipe are respectively and fixedly mounted with a first connecting rod and a second connecting rod through screws, three obliquely centered spring steel sheets are arranged in the auxiliary top ring and around a center hole in contact with the middle shaft, T-shaped spring steel is welded on the main top ring and extends into the main top ring, two groups of support arms are welded at the lower end of the outer side of the main top ring and correspond to the first connecting rod and the second connecting rod respectively, the corresponding support arm and the first connecting rod and the corresponding support arm and the second connecting rod are fixedly connected through screws, the lower end of the middle shaft penetrates through a center hole of the base mounting plate, and a large nut is connected to the middle shaft and the lower end of the base mounting plate in a threaded mode.

As a further optimization of the technical scheme, the cross main frame, the protective washer, the auxiliary top ring, the top ring separating bearing, the main top ring and the main top ring bearing are coaxially arranged.

The arrangement enables the cross main frame, the protective washer, the auxiliary top ring, the top ring separating bearing, the main top ring and the main top ring bearing to be centered on the central shaft.

As a further optimization of the technical scheme, the protection washer is arranged in the auxiliary top ring, and the auxiliary top ring and the top ring separation bearing are arranged in the main top ring.

As a further optimization of the technical scheme, round steel is welded on one side of the lower end of the table board mounting plate, a sleeve is welded at the position of the corresponding round steel on the cross-shaped main frame, and the sleeve is matched with the round steel.

The round steel is sleeved in the sleeve, so that the cross main frame can not rotate but only move up and down.

As a further optimization of the technical scheme, two sets of guide rails are installed on the front side and the rear side of the upper end of the cross main frame, the front ends of the guide rails are symmetrically arranged, the rear ends of the guide rails are symmetrically arranged, and the two ends of the first U-shaped tube and the two ends of the second U-shaped tube are in one-to-one correspondence with the guide rails and are connected in the guide rails in a sliding manner.

The first U-shaped pipe and the second U-shaped pipe are connected with the guide rail in a sliding mode, so that the first U-shaped pipe and the second U-shaped pipe can be pulled left and right.

As a further optimization of the technical scheme, the middle shaft comprises a connecting shaft and a threaded connecting column positioned at the lower end of the connecting shaft, the connecting shaft and the threaded connecting column are integrally formed and connected, and the threaded connecting column is in threaded connection with the large nut.

The middle shaft is fixedly arranged on the base mounting plate through the large nut.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is used on a functional dining table, and when only one small table surface is pulled independently, the small table surfaces at two sides separated by the dining table surface can be simultaneously stretched and lifted to be matched with the large table surface or be descended and collected to be below the large table surface at the middle, thereby realizing the bidirectional stretching and shrinking function of the dining table surface. The sleeve on the cross main frame can be sleeved into the round steel on the side edge of the lower end of the table board mounting plate to enable the cross main frame to be incapable of rotating and only capable of vertically linearly moving, at the moment, the weight of the cross main frame is supported on the main top ring through the supporting bearing, when the first U-shaped pipe or the second U-shaped pipe is pulled independently, the first connecting rod or the second connecting rod pulls the supporting arm on the main top ring to enable the main top ring to rotate with a certain radian, the plane cam structure of the main top ring can push the supporting bearing to enable the cross main frame to move upwards, when the main top ring rotates, the T-shaped spring steel extending inwards can push the auxiliary top ring to rotate when the main top ring pushes the notch of the auxiliary top ring, when the main top ring finishes the movement and moves backwards, the auxiliary top ring can not rotate due to the ratchet characteristics formed by the three springs in the inner hole of the auxiliary top ring and is left in the original position, when the main top ring continues to move backwards to enable the main top ring to reduce the height of the supporting surface, the support bearing falls on the auxiliary top ring; when pulling first U type pipe or second U type pipe once more, when rotating main top ring, its inside T type spring steel can push up another breach of vice top ring and promote vice top ring forward motion, makes vice top ring rotate to no longer withstanding support bearing's position, and support bearing will be along the contact surface with main top ring down motion when main top ring is rotatory back again this moment. And circulating in sequence.

Drawings

FIG. 1 is an exploded view of the present invention in a front view;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an exploded view of the present invention in a bottom view;

FIG. 5 is an exploded view of the present invention with the table mounting plate, base mounting plate and large nut removed.

In the figure: 1. a table board mounting plate; 2. a middle shaft; 3. a support bearing; 4. a protective washer; 5. a secondary top ring; 6. the top ring separates the bearing; 7. a main top ring; 8. a main top ring bearing; 9. a base mounting plate; 10. a large nut; 11. a cross main frame; 12. a first U-shaped pipe; 13. a first link; 14. a second U-shaped tube; 15. a second link; 16. a spring steel sheet; 17. a support arm; 18. round steel; 19. a sleeve; 20. a guide rail; 21. t-shaped spring steel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a biaxial stretching contracting function dining-table function frame, includes mesa mounting panel 1, the welding of 1 lower extreme middle part of mesa mounting panel has axis 2, from last to installing cross body frame 11, protection packing ring 4, vice top ring 5, top ring release bearing 6, main top ring 7 and main top ring bearing 8 down in proper order on the axis 2, cross body frame 11, protection packing ring 4, vice top ring 5, top ring release bearing 6, main top ring 7 and main top ring bearing 8 set up with the axle center, protection packing ring 4 is installed in vice top ring 5, vice top ring 5 and top ring release bearing 6 are installed in main top ring 7.

There are support bearing 3 through screw fixed mounting on the cross body frame 11, install first U type pipe 12 and second U type pipe 14 through four groups of guide rails 20 on the cross body frame 11, two sets of guide rails 20 are all installed to both sides around 11 upper ends of cross body frame, and the front end is two sets of the mutual symmetry of guide rails 20 sets up, and the rear end is two sets of the mutual symmetry of guide rails 20 sets up, two tip and the guide rail 20 one-to-one and sliding connection of two tip and the guide rail 20 of first U type pipe 12 and second U type pipe 14 have first connecting rod 13 and second connecting rod 15 through screw fixed mounting respectively, round steel 18 has been welded to 1 lower extreme one side of mesa mounting panel, the welding of the department of corresponding round steel 18 on the cross body frame 11 has sleeve pipe 19,

sleeve pipe

19 and 18 phase-match. The round steel 18 is sleeved into the sleeve 19, so that the cross main frame 11 can not rotate but only move up and down.

And three obliquely-centered spring steel sheets 16 are arranged in the auxiliary top ring 5 and around the central hole contacted with the central shaft 2. A ratchet-like function is produced by the spring steel 16.

The welding has T type spring steel 21 on the main top ring 7, T type spring steel 21 stretches into the inside of main top ring 7, the welding of main top ring 7 outside lower extreme has two sets of support arms 17, and is two sets of support arm 17 is corresponding with first connecting rod 13 and second connecting rod 15 respectively, corresponding between support arm 17 and the first connecting rod 13 and corresponding all through screw fixed connection between support arm 17 and the second connecting rod 15.

The lower end of the middle shaft 2 penetrates through a center hole of the base mounting plate 9, the lower end, located on the base mounting plate 9, of the middle shaft 2 is connected with a large nut 10 in a threaded mode, the middle shaft 2 comprises a connecting shaft and a threaded connecting column located at the lower end of the connecting shaft, the connecting shaft is connected with the threaded connecting column in an integrated forming mode, and the threaded connecting column is connected with the large nut 10 in a threaded mode. The middle shaft 2 is fixedly arranged on the base mounting plate 9 through a large nut 10.

Specifically, when in use, the sleeve 19 on the cross main frame 11 can be sleeved into the round steel 18 on the side of the lower end of the table board mounting plate 1, so that the cross main frame 11 can not do rotary motion, but can only do up-and-down linear motion, at the moment, the weight of the cross main frame 11 is supported on the main top ring 7 by the supporting bearing 3, when the first U-shaped tube 12 or the second U-shaped tube 14 is pulled alone, the first connecting rod 13 or the second connecting rod 15 pulls the supporting arm 17 on the main top ring 7, so that the main top ring 7 does rotary motion with a certain radian, the plane cam structure of the main top ring 7 can push the supporting bearing 3 to make the cross main frame 11 move upwards, when the main top ring 7 does rotary motion, the T-shaped spring steel 21 extending inwards pushes the auxiliary top ring 5 to do driven rotary motion when pushing against the gap of the auxiliary top ring 5, when the main top ring 7 finishes the motion backwards, the inner hole 5 can not rotate and is left in place due to the ratchet character formed by the three spring steel sheets 16, when the main top ring 7 continues to move back to lower the height of the supporting surface, the supporting bearing 3 falls on the auxiliary top ring 5; when the first U-shaped pipe 12 or the second U-shaped pipe 14 is pulled again and the main top ring 7 is rotated, the T-shaped spring steel 21 in the main top ring can push the other notch of the auxiliary top ring 5 to push the auxiliary top ring 5 to move forwards, so that the auxiliary top ring 5 rotates to a position where the auxiliary top ring 5 does not push the supporting bearing 3 any more, and at the moment, when the main top ring 7 rotates backwards again, the supporting bearing 3 moves downwards along the contact surface with the main top ring 7. And circulating in sequence. When the dining table is installed, the table board mounting plate 1 is fixedly mounted at the lower end of a large table board in the middle of the dining table board, and the first U-shaped pipe 12 and the second U-shaped pipe 14 are respectively and fixedly mounted at the lower ends of small table boards at two sides of the dining table board, so that the small table boards at two sides of the dining table board can be simultaneously stretched and lifted to be matched with the large table board or be lowered and stored below the large table board in the middle only by pulling the small table board at one side, and the bidirectional stretching and shrinking function of the dining table board is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a biaxial stretching contracting function dining-table function frame, includes mesa mounting panel (1), its characterized in that: the middle part of the lower end of the table board mounting plate (1) is welded with a middle shaft (2), a cross main frame (11), a protective washer (4), an auxiliary top ring (5), a top ring release bearing (6), a main top ring (7) and a main top ring bearing (8) are sequentially arranged on the middle shaft (2) from top to bottom, a support bearing (3) is fixedly arranged on the cross main frame (11) through screws, a first U-shaped pipe (12) and a second U-shaped pipe (14) are arranged on the cross main frame (11) through four groups of guide rails (20), the lower ends of the first U-shaped pipe (12) and the second U-shaped pipe (14) are respectively and fixedly provided with a first connecting rod (13) and a second connecting rod (15) through screws, three springs (16) centering obliquely are arranged in the auxiliary top ring (5) and around a center hole in contact with the middle shaft (2), and T-shaped spring steel (21) are welded on the main top ring (7), t type spring steel (21) stretch into the inside of main top circle (7), main top circle (7) outside lower extreme welding has two sets of support arms (17), and is two sets of support arm (17) are corresponding with first connecting rod (13) and second connecting rod (15) respectively, corresponding between support arm (17) and first connecting rod (13) and corresponding all through screw fixed connection between support arm (17) and second connecting rod (15), the centre bore of axis (2) lower extreme follow base mounting panel (9) passes, on axis (2) and be located base mounting panel (9) lower extreme threaded connection have big nut (10).

2. The functional shelf of bi-directional stretching and shrinking dining table as claimed in claim 1, wherein: the cross main frame (11), the protective washer (4), the auxiliary top ring (5), the top ring separating bearing (6), the main top ring (7) and the main top ring bearing (8) are arranged coaxially.

3. The functional shelf of bi-directional stretching and shrinking dining table as claimed in claim 1, wherein: the protection washer (4) is arranged in the auxiliary top ring (5), and the auxiliary top ring (5) and the top ring separation bearing (6) are arranged in the main top ring (7).

4. The functional shelf of bi-directional stretching and shrinking dining table as claimed in claim 1, wherein: mesa mounting panel (1) lower extreme one side welding has round steel (18), it has sleeve pipe (19) to correspond round steel (18) department welding on cross body frame (11), sleeve pipe (19) and round steel (18) phase-match.

5. The functional shelf of bi-directional stretching and shrinking dining table as claimed in claim 1, wherein: two sets of guide rails (20) are all installed to both sides around cross body frame (11) upper end, and the front end is two sets of guide rail (20) symmetry each other sets up, and the rear end is two sets of guide rail (20) symmetry each other sets up, two tip and the guide rail (20) one-to-one and sliding connection of two tip and the guide rail (20) of first U type pipe (12) and second U type pipe (14) are in guide rail (20).

6. The functional shelf of bi-directional stretching and shrinking dining table as claimed in claim 1, wherein: the middle shaft (2) comprises a connecting shaft and a threaded connecting column positioned at the lower end of the connecting shaft, the connecting shaft and the threaded connecting column are integrally formed and connected, and the threaded connecting column is in threaded connection with the large nut (10).