CN219515746U - Anti-toppling bar chair - Google Patents

Abstract

The utility model belongs to the technical field of bar chairs, in particular to an anti-toppling bar chair, which comprises a base, wherein four containing cavities are arranged on the base, through grooves are formed in the inner walls of the tops of the four containing cavities, an expanding structure is arranged in each containing cavity, a supporting rod is fixedly arranged at the top of the base, a mounting groove is formed in the front surface of each supporting rod, a mounting cavity is formed in each supporting rod, and the same lifting structure is arranged in each mounting cavity and each mounting groove.

Description

Anti-toppling bar chair

Technical Field

The utility model relates to the technical field of bar chairs, in particular to an anti-toppling bar chair.

Background

The bar chair is a chair used in specific places, is widely applied to leisure and recreation centers such as various large internet bars, hotels, water bars, hotels, meetings and the like, and generally has the characteristics of fashionable appearance, low carbon, environmental protection, free retraction and the like.

However, in the existing equipment, in order to improve the aesthetic degree of the bar chair, the design of the base of the bar chair is smaller, and the base is generally smaller than the chair surface, so that the barycenter of the bar chair is unstable and easy to fall down, and the bar chair capable of preventing falling down is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an anti-toppling bar chair.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a bar chair of preventing empting, includes the base, be equipped with four on the base and accomodate the chamber, four all be equipped with logical groove on accomodating the top inner wall in chamber, accomodate the intracavity and be equipped with and expand the structure, the fixed bracing piece that is equipped with in top of base, the front of bracing piece is equipped with the mounting groove, be equipped with the installation cavity in the bracing piece, be equipped with same elevation structure in installation cavity and the mounting groove, elevation structure is last to be fixedly equipped with the foot rest, the fixed seat that is equipped with in top of bracing piece, be equipped with the back of the chair on the seat.

As a further description of the above technical solution:

the expansion structure comprises a sector plate movably connected with the inner wall of the bottom of the storage cavity, a connecting rod is fixedly arranged at the top of the sector plate, a transverse plate is fixedly arranged at the top of the connecting rod, two bolts are movably arranged on the transverse plate, two inner threaded holes are formed in two sides of the through groove, and the inner threaded holes are matched with the bolts.

As a further description of the above technical solution:

two sliding grooves are formed in the inner wall of the bottom of the storage cavity, two sliding blocks are fixedly arranged at the bottom of the sector plate, and the two sliding blocks are movably connected with the two sliding grooves respectively.

As a further description of the above technical solution:

the lifting structure comprises a threaded rod and a rotating rod, wherein the bottom of the threaded rod is movably connected with the bottom inner wall of the mounting groove, the rotating rod extends into the mounting cavity and is movably connected with one side inner wall of the mounting cavity, the top of the threaded rod extends into the mounting cavity and is fixedly provided with a first bevel gear, two ends of the rotating rod are respectively fixedly provided with a second bevel gear and a rotating disc, the first bevel gear and the second bevel gear are in meshed transmission, a positioning rod is movably arranged on the rotating disc, a plurality of positioning holes are formed in the surface of the supporting rod, the positioning holes are matched with the positioning rod, and an internal thread block is movably arranged on the threaded rod.

As a further description of the above technical solution:

limiting blocks are fixedly arranged on two sides of the internal thread block, limiting grooves are formed in inner walls of two sides of the mounting groove, and the limiting blocks are matched with the limiting grooves.

As a further description of the above technical solution:

the bottom inner wall of the mounting groove is provided with a guide block, the top of the guide block is provided with a groove, a bearing is fixedly arranged in the groove, and the inner ring of the bearing is fixedly sleeved on the threaded rod.

The utility model has the following beneficial effects:

1. compared with the prior art, this prevent bar chair of empting through setting up parts such as accomodating chamber, sector plate, connecting rod, diaphragm and bolt, can outwards stimulate four sector plates before using the bar chair, will empty the condition at the bar chair, can provide the support for the bar chair, can effectually prevent that the bar chair from taking place to empty the condition, can pack up the sector plate during not using, not only can reduce occupation space, but also can improve pleasing to the eye degree.

2. Compared with the prior art, this bar chair of preventing empting through setting up parts such as first bevel gear, second bevel gear, carousel, locating lever, thread block and locating hole, drives the second bevel gear through rotating the carousel, and the second bevel gear drives first bevel gear again, and first bevel gear passes through the threaded rod and drives the internal thread piece and reciprocate, and the internal thread piece drives the foot rest again, realizes the regulation to foot rest height.

Drawings

Fig. 1 is a schematic perspective view of a bar chair for preventing toppling according to the present utility model;

FIG. 2 is a schematic front sectional view of a bar chair with anti-toppling function according to the present utility model;

fig. 3 is an enlarged schematic view of a portion a of the bar chair for preventing toppling according to the present utility model.

Legend description:

1. a base; 2. a storage chamber; 3. a through groove; 4. expanding the structure; 401. a sector plate; 402. a connecting rod; 403. a cross plate; 404. a bolt; 5. a support rod; 6. a mounting groove; 7. a mounting cavity; 8. a lifting structure; 801. a threaded rod; 802. a rotating rod; 803. a first bevel gear; 804. a second bevel gear; 805. a turntable; 806. a positioning rod; 807. an internal thread block; 9. a seat surface; 10. a chair back; 11. a foot rest.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a bar chair for preventing toppling: the novel multifunctional fan-shaped plate comprises a base 1, wherein four containing cavities 2 are arranged on the base 1, through grooves 3 are formed in the inner walls of the tops of the four containing cavities 2, an expanding structure 4 is arranged in the containing cavities 2, the expanding structure 4 comprises a fan-shaped plate 401 movably connected with the inner wall of the bottom of the containing cavity 2, the containing cavities 2 can contain the fan-shaped plate 401, the occupied area is reduced, the attractiveness is improved, two sliding grooves are formed in the inner wall of the bottom of the containing cavity 2, two sliding blocks are welded at the bottom of the fan-shaped plate 401 and are respectively connected with the two sliding grooves in a sliding mode, the sliding blocks and the sliding grooves can position the fan-shaped plate 401 to limit the displacement distance of the fan-shaped plate, a connecting rod 402 is welded at the top of the fan-shaped plate 401, a transverse plate 403 is welded at the top of the connecting rod 402, two bolts 404 are arranged on the transverse plate 403 in a threaded mode, two inner threaded holes are formed in two sides of the through grooves 3, and the inner threaded holes are matched with the bolts 404;

the top welding of base 1 has bracing piece 5, the front of bracing piece 5 is equipped with mounting groove 6, be equipped with installation cavity 7 in the bracing piece 5, be equipped with same elevation structure 8 in installation cavity 7 and the mounting groove 6, the welding has foot rest 11 on the elevation structure 8, elevation structure 8 includes threaded rod 801 and bull stick 802, the bottom of threaded rod 801 and the bottom inner wall rotation of mounting groove 6 are connected, bull stick 802 extends to in the installation cavity 7 and one side inner wall rotation of bull stick 802 and installation cavity 7 is connected, the top of threaded rod 801 extends to in the installation cavity 7 and welds and has first bevel gear 803, the both ends of bull stick 802 are welded respectively and are equipped with second bevel gear 804 and carousel 805, first bevel gear 803 and second bevel gear 804 meshing transmission, slidable mounting has locating lever 806 on the carousel 805, the surface of bracing piece 5 is equipped with a plurality of locating holes, setting up and the cooperation use of locating lever 806, install the internal thread piece 807 on the threaded rod 801, the both sides of internal thread piece 807 have the stopper to be welded on the bottom inner wall of mounting groove 6, be equipped with the guide block 6, the guide block top is equipped with the recess, the guide block 9 is equipped with the inside race on the bearing cap is equipped with on the guide groove 9, the seat back of the side of the seat, the seat is equipped with the spacer 9.

Working principle: before using the chair, firstly, rotate a plurality of bolts 404 anticlockwise, after the bolts 404 break away from the internal thread hole, pull the diaphragm 403 outwards again, the diaphragm 403 drives the connecting rod 402, the connecting rod 402 drives the sector plate 401 outwards again, when the sector plate 401 can not continue to move, rotate the bolts 404 clockwise again, make the bolts 404 reinsert the internal thread hole, realize the location to the diaphragm 403 and sector plate 401, after four sector plates 401 are all pulled out, the user can sit on the chair surface 9, under the condition that the bar chair is about to topple over, four sector plates 401 can in time support the equipment, because the height of the user is different, can adjust the height of the foot rest 11 according to actual conditions, pull the locating rod 806 outwards, after the locating rod 806 breaks away from the locating hole, rotate the turntable 805, the turntable 805 again drives the rotating rod 802, the rotating rod 802 again, the second bevel gear 804 again drives the first threaded rod 803 again, the first bevel gear drives the bevel gear 801 again drives the internal thread block again, the internal thread block 807 again drives the foot rest 11 again, and when the height of the turntable 803 stops rotating the turntable 805 again, the height of the turntable 805 is adjusted to be positioned to the height of the turntable 805, thus completing the positioning of the turntable 805.

Finally, it should be noted that: while the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the foregoing embodiments may be modified and equivalents may be substituted for elements thereof without departing from the spirit and principles of the utility model _。

Claims (6)

1. Anti-toppling bar chair, comprising a base (1), characterized in that: be equipped with four on base (1) and accomodate chamber (2), four all be equipped with logical groove (3) on the top inner wall of accomodating chamber (2), be equipped with in accomodating chamber (2) and expand structure (4), the fixed bracing piece (5) that are equipped with in top of base (1), the front of bracing piece (5) is equipped with mounting groove (6), be equipped with installation cavity (7) in bracing piece (5), be equipped with same elevation structure (8) in installation cavity (7) and mounting groove (6), be equipped with foot rest (11) on elevation structure (8) fixedly, the fixed seat (9) that are equipped with in top of bracing piece (5), be equipped with back of the chair (10) on seat (9).

2. The anti-toppling bar chair according to claim 1, wherein: the expansion structure (4) comprises a sector plate (401) movably connected with the inner wall of the bottom of the storage cavity (2), a connecting rod (402) is fixedly arranged at the top of the sector plate (401), a transverse plate (403) is fixedly arranged at the top of the connecting rod (402), two bolts (404) are movably arranged on the transverse plate (403), two inner threaded holes are formed in two sides of the through groove (3), and the inner threaded holes are matched with the bolts (404).

3. The anti-toppling bar chair according to claim 2, wherein: two sliding grooves are formed in the inner wall of the bottom of the storage cavity (2), two sliding blocks are fixedly arranged at the bottom of the sector plate (401), and the two sliding blocks are movably connected with the two sliding grooves respectively.

4. The anti-toppling bar chair according to claim 1, wherein: the lifting structure (8) comprises a threaded rod (801) and a rotating rod (802), wherein the bottom of the threaded rod (801) is movably connected with the inner wall of the bottom of the mounting groove (6), the rotating rod (802) extends into the mounting cavity (7) and is movably connected with one side inner wall of the rotating rod (802) and the mounting cavity (7), the top of the threaded rod (801) extends into the mounting cavity (7) and is fixedly provided with a first bevel gear (803), two ends of the rotating rod (802) are respectively fixedly provided with a second bevel gear (804) and a rotating disc (805), the first bevel gear (803) and the second bevel gear (804) are in meshed transmission, a positioning rod (806) is movably arranged on the rotating disc (805), a plurality of positioning holes are formed in the surface of the supporting rod (5), the positioning holes are matched with the positioning rod (806), and the threaded rod (801) is movably provided with an inner thread block (807).

5. The anti-toppling bar chair according to claim 4, wherein: limiting blocks are fixedly arranged on two sides of the internal thread block (807), limiting grooves are formed in inner walls of two sides of the mounting groove (6), and the limiting blocks are matched with the limiting grooves.

6. The anti-toppling bar chair according to claim 4, wherein: the bottom inner wall of the mounting groove (6) is provided with a guide block, the top of the guide block is provided with a groove, a bearing is fixedly arranged in the groove, and the bearing inner ring is fixedly sleeved on the threaded rod (801).