CN110558761A

CN110558761A - Rotatable chair leg

Info

Publication number: CN110558761A
Application number: CN201910934251.XA
Authority: CN
Inventors: 苏尚洲; 汤胜建; 黄中华
Original assignee: Yucai Holding Group Co Ltd
Current assignee: Yucai Holding Group Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2019-12-13

Abstract

The invention relates to a rotatable chair leg which comprises a supporting seat and is characterized in that the supporting seat comprises a rotating sleeve and a fixed seat, the fixed seat is arranged on the inner side of the rotating sleeve and is in rotating fit with the rotating sleeve, the bottom surface of the fixed seat is positioned below the bottom surface of the rotating sleeve, and a supporting surface is formed on the bottom surface of the fixed seat. By adopting the technical scheme, the invention provides the rotatable chair leg, the chair can rotate 360 degrees, and a user can rotate the chair by any angle to change the orientation of the chair.

Description

Rotatable chair leg

Technical Field

The invention relates to the field of furniture, in particular to a rotatable chair leg.

Background

In the existing market, a plurality of tables and chairs are arranged in a way that the seats and the tables are connected, for example, the tables and chairs are adopted in a school canteen. The integrated table and chair comprises a table and a seat, wherein the seat is connected with the table through a connecting rod, and the seat comprises a seat and a support seat connected with the seat. However, such seats are stationary and cannot be aligned for rotation, so that the seat can only face in one direction at all times.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects of the prior art, the invention provides a rotatable chair leg, wherein the chair can rotate 360 degrees, and a user can rotate the chair by any angle to change the orientation of the chair.

The technical scheme of the invention is as follows: the utility model provides a rotatable chair foot, includes the supporting seat, its characterized in that, the supporting seat includes swivel sleeve and fixing base, the fixing base setting in the inboard of swivel sleeve and with swivel sleeve normal running fit, the bottom surface of fixing base is located the below of the bottom surface of swivel sleeve, and the bottom surface of fixing base forms the holding surface.

Adopt above-mentioned technical scheme, the seat support is connected and synchronous rotation with the swivel mount, and when the user sat and rotated on the seat, can drive the swivel mount synchronous rotation, can carry out angle modulation to the seat like this, and rotatory to arbitrary direction, fixing base bottom surface and ground contact form the holding surface, and the bottom surface of swivel mount is located the bottom surface of fixing base, makes the swivel mount can not reduce the wearing and tearing of swivel mount with ground friction when rotating like this.

The invention further comprises the following steps: the rotary sleeve comprises a base plate, a convex ring is arranged at the upper end of the base plate, a connecting column is arranged on the inner side of the convex ring on the base plate, and first annular slots are formed between the connecting column and the convex ring at intervals.

Adopt above-mentioned further setting, the lower extreme of seat support is inserted and is established in first slot for the seat support can rotate with the synchronization of rotary sleeve, and it is more convenient to adopt this kind of connected mode.

The invention further provides that: and a plurality of tensioning strips are arranged on the outer side wall of the connecting column along the circumferential direction of the connecting column.

Adopt the aforesaid to further set up again, the setting up of tensioning strip makes between spliced pole and the seat support complex inseparabler, makes things convenient for seat support and swivel mount to rotate together more.

Still further arrangements of the invention are: the improved structure of the rotary sleeve is characterized in that a positioning cavity is arranged in the chassis, the fixing seat is arranged in the positioning cavity, a rotary shaft is arranged on the fixing seat, a second slot is arranged in the fixing seat, the lower end of the rotary shaft is inserted into the second slot and is in running fit with the fixing seat, a third slot is arranged at the upper end of the positioning cavity, the upper end of the rotary shaft is inserted into the third slot, and the rotary shaft and the rotary sleeve synchronously rotate.

Adopt above-mentioned still further setting again, the setting in location chamber is used for fixing a position the fixing base for the compact structure of chair foot, pivot are used for connecting fixing base and swivel sleeve, and when the seat support drove swivel sleeve and rotates, the pivot also rotated in step, and the fixing base keeps motionless this moment, and the pivot rotates and sets up in the second slot.

Still further arrangements of the invention are: the improved rotary table is characterized in that a positioning cavity is formed in the chassis, the fixing seat is arranged in the positioning cavity, a rotating shaft is arranged on the fixing seat, a second slot is formed in the fixing seat, the lower end of the rotating shaft is inserted into the second slot, the rotating shaft and the fixing seat are fixedly arranged, a third slot is formed in the upper end of the positioning cavity, the upper end of the rotating shaft is inserted into the third slot, and the rotating shaft and the rotating sleeve are in rotating fit.

Adopt above-mentioned still further setting, the setting in location chamber is used for fixing a position the fixing base for the compact structure of chair foot, pivot are used for connecting fixing base and swivel sleeve, and when swivel sleeve and seat support synchronous rotation, pivot and fixing base remain motionless, and the pivot rotates and sets up in the third slot.

Still further arrangements of the invention are: the utility model discloses a fixing device, including location chamber, gasket, setting, annular boss, fixing base, gasket, locating cavity, spacer sleeve, locating cavity, gasket and locating cavity, locating cavity is equipped with the gasket in the chamber, the gasket sleeve is established in the periphery of pivot, and the gasket contradicts the setting with the up end in location chamber, be equipped with annular boss in the pivot, annular boss sets up between gasket and fixing base, the diameter of gasket is greater than.

By adopting the above further arrangement, the arrangement of the gasket can reduce the abrasion of the rotating shaft, so that if the abrasion is serious, only the gasket can be replaced without replacing the whole rotating shaft, the diameter of the gasket is larger than that of the annular boss, the abrasion is also reduced, the abrasion area of the gasket is reduced, and the service lives of the gasket and the rotating shaft are longer.

Still further arrangements of the invention are: the upper end of pivot is equipped with the draw-in groove, the draw-in groove inside callipers is equipped with the snap ring.

Adopt above-mentioned still further setting, the setting of snap ring can increase the stability between pivot and the swivel sleeve, makes its better synchronous rotation that carries on.

Drawings

FIG. 1 is an exploded view of an embodiment of the present invention;

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

3 FIG. 3 3 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 2 3; 3

FIG. 4 is a schematic view of the overall structure of the integrated table and chair;

Fig. 5 is a schematic view of the overall structure of the seat.

Detailed Description

As shown in fig. 1-5, a rotatable chair leg, which can be applied to a chair that is integrally arranged as a whole set of chair, such as the chair set in fig. 4, and the complete set of chair can be applied to a dining room, a conference room, etc., the chair comprises a table 1 and a chair 2 connected to the table 1, the chair 2 is connected to the table leg through a connecting rod 3, wherein the chair 2 comprises a chair seat 21 and a supporting seat 4, the supporting seat 4 comprises a rotating sleeve 6 and a fixing seat 7, the fixing seat 7 is arranged inside the rotating sleeve 6 and is rotatably matched with the rotating sleeve, the bottom surface of the fixing seat 7 is positioned below the bottom surface of the rotating sleeve 6, the bottom surface of the fixing seat 7 forms a supporting surface, the supporting surface is arranged on the ground in an abutting manner, of course, a supporting rod 5 can be arranged between the supporting seat 4 and the chair seat 21, and the upper end of the supporting rod, the lower extreme and the swivel sleeve 6 of bracing piece 5 are connected and rotate in step, in order to make when bracing piece 5 rotates together with swivel sleeve 6, fixing base 7 keeps motionless, can set up the bearing in swivel sleeve 6, the pot head is established in the periphery of fixing base 7 under the bearing, the upper end and the swivel sleeve 6 of bearing are connected, the user sits when rotating on seat 2, bracing piece 5 also can rotate, bracing piece 5 is connected so with swivel sleeve 6 and can drives swivel sleeve 6 synchronous rotation, can carry out angle modulation to seat 2 like this, rotatory to arbitrary direction, fixing base 7 bottom surface forms the holding surface with ground contact, the bottom surface of swivel sleeve 6 is located fixing base 7's bottom surface, set up swivel sleeve 6 like this and can not contact with the bottom surface, make swivel sleeve 6 can not rub with ground when rotating, reduce the wearing and tearing of swivel sleeve 6.

In this embodiment, the rotating sleeve 6 includes a base plate 61, a protruding ring 611 is disposed at the upper end of the base plate 61, a connecting column 612 is disposed on the inner side of the protruding ring 611 on the base plate 61, first annular slots 62 are formed between the connecting column 612 and the protruding ring 611 at intervals, the supporting rod 5 is inserted into the first slot 62, the connecting column 612 is inserted into the supporting rod 5, and the supporting rod 5 and the base plate 61 and the supporting rod 5 and the connecting column 612 cooperate to achieve synchronous rotation of the supporting rod 5 and the rotating sleeve 6, which is more convenient to use.

in this embodiment, a plurality of tensioning strips 6121 are arranged on the outer side wall of the connecting column 612 along the circumferential direction thereof, the tensioning strips 6121 are abutted against the inner side wall of the supporting rod 5, the connecting column 612 and the supporting rod 5 are more tightly matched due to the arrangement of the tensioning strips 6121, and the supporting rod 5 can drive the rotating sleeve 6 to rotate together more conveniently.

In this embodiment, a positioning cavity 613 is formed in the chassis 61, the fixing seat 7 is disposed in the positioning cavity 613, the fixing seat 7 is provided with a rotating shaft 8, a second slot 71 is formed in the fixing seat 7, a lower end of the rotating shaft 8 is inserted into the second slot 71, the rotating shaft 8 is rotatably matched with the fixing seat 7, a third slot is formed in an upper end of the positioning cavity 613, an upper end of the rotating shaft 8 is inserted into the third slot, the rotating shaft 8 and the rotating sleeve 6 rotate synchronously, the positioning cavity 613 is configured to position the fixing seat 7, so that the chair leg has a compact structure, the rotating shaft 8 is used to connect the fixing seat 7 and the rotating sleeve 6, when the supporting rod 5 drives the rotating sleeve 6 to rotate, the rotating shaft 8 can be driven to rotate synchronously, at this time, the fixing seat 7 remains stationary, the rotating shaft 8 is rotatably disposed in the second slot 71, and in another case, when the supporting rod 5 and the rotating sleeve 6 rotate, fixing base 7 and pivot 8 remain fixed, for normal running fit between pivot 8 and the swivel mount 6, pivot 8 rotates and sets up in the third slot.

In this embodiment, be equipped with gasket 9 in the location chamber 613, gasket 9 cover is established in the periphery of pivot 8, and gasket 9 contradicts the setting with the up end of location chamber 613, be equipped with annular boss 81 on the pivot 8, annular boss 81 sets up between gasket 9 and fixing base 7, gasket 9's diameter is greater than the diameter of annular boss 81, and gasket 9's setting can reduce the wearing and tearing of pivot 8, if wearing and tearing are serious like this, can only change gasket 9, and need not change whole pivot 8, and gasket 9's diameter is greater than the diameter of annular boss 81 and also is same reducing wear, reduces gasket 9's wear area for gasket 9 and pivot 8's life is longer.

In this embodiment, the upper end of pivot 8 is equipped with draw-in groove 82, the card is equipped with snap ring 83 in the draw-in groove 82, and the setting of snap ring 83 can increase the stability between pivot 8 and the swivel nut 6, makes its better synchronous rotation that carries on.

Claims

1. The utility model provides a rotatable chair foot, includes the supporting seat, its characterized in that, the supporting seat includes swivel sleeve and fixing base, the fixing base setting in the inboard of swivel sleeve and with swivel sleeve normal running fit, the bottom surface of fixing base is located the below of the bottom surface of swivel sleeve, and the bottom surface of fixing base forms the holding surface.

2. The rotatable chair leg as claimed in claim 1, wherein the rotary sleeve comprises a bottom plate, a protruding ring is disposed at the upper end of the bottom plate, a connecting column is disposed on the bottom plate at the inner side of the protruding ring, and a first slot forming a ring shape is disposed at an interval between the connecting column and the protruding ring.

3. the rotatable chair leg as claimed in claim 2, wherein the outer side wall of the connecting column is provided with a plurality of tension bars along the circumference thereof.

4. A rotatable chair leg as claimed in claim 2 or 3, wherein a positioning cavity is formed in the chassis, the fixing seat is disposed in the positioning cavity, the fixing seat is provided with a rotating shaft, the fixing seat is provided with a second slot, a lower end of the rotating shaft is inserted into the second slot, and the rotating shaft and the fixing seat are rotatably engaged with each other, the upper end of the positioning cavity is provided with a third slot, the upper end of the rotating shaft is inserted into the third slot, and the rotating shaft and the rotating sleeve rotate synchronously.

5. a rotatable chair leg as claimed in claim 2 or 3, wherein a positioning cavity is formed in the chassis, the fixing seat is disposed in the positioning cavity, the fixing seat is provided with a rotating shaft, the fixing seat is provided with a second slot, a lower end of the rotating shaft is inserted into the second slot and fixed to the fixing seat, the upper end of the positioning cavity is provided with a third slot, an upper end of the rotating shaft is inserted into the third slot and rotatably engaged with the rotating sleeve.

6. The rotatable chair leg as claimed in claim 4, wherein a spacer is disposed in the positioning cavity, the spacer is disposed around the rotating shaft and is abutted against the upper end surface of the positioning cavity, an annular boss is disposed on the rotating shaft and disposed between the spacer and the fixing seat, and the diameter of the spacer is greater than that of the annular boss.

7. The rotatable chair leg as claimed in claim 6, wherein a slot is provided at the upper end of the rotation shaft, and a snap ring is engaged in the slot.