CN210353955U

CN210353955U - Self-rotating chair

Info

Publication number: CN210353955U
Application number: CN201921323754.5U
Authority: CN
Inventors: 顾旭芳
Original assignee: Hangzhou Pauline Hardware Industry Co ltd
Current assignee: Hangzhou Pauline Hardware Industry Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-04-21
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a from rotating seat support, including the pan that plays the supporting role, pan upper end be equipped with the pivot, pan center and pivot bottom through hexagonal screw rod fixed connection in the cartridge, the pivot top be equipped with square turntable, square turntable center and pivot top through the outer hexagonal screw rod swing joint of cartridge, square turntable upper end be equipped with the multistage buffer who is used for protecting square turntable. The utility model overcomes the problem of the prior art that the traditional swivel chair chassis has relatively poor damping effect. The utility model has the advantages of compact structure, reasonable in design, long service life, travelling comfort are good and the security is high.

Description

Self-rotating chair

Technical Field

The utility model relates to a seat field, more specifically say, relate to a from rotating seat support.

Background

At present, a swivel chair chassis convenient for fixing is disclosed in Chinese patent, and the publication number is as follows: CN206119738U, which relates to the technical field of revolving chairs; several walking wheels are installed to the bottom of supporting legs, the connecting plate is installed to the upper end of supporting legs, the casing is installed to the centre of supporting legs bottom, the internally mounted of casing has the piston, the last surface mounting of piston has the shock pad, the piston rod is installed to the lower extreme of piston, the lower extreme and the supporting baseplate of piston rod are connected, the lower surface of piston passes through reset spring and is connected with the medial surface of casing, foot-operated pump is installed to the upper end of supporting legs, the inflation inlet of foot-operated pump passes through the gas tube and is connected with the inflation inlet of casing upper end, and installs discharge valve on the gas tube, the lower extreme of casing is provided with the blast pipe, the utility model discloses be convenient for realize.

One kind in the above-mentioned patent is convenient for fixed swivel chair chassis, though there is certain shock attenuation effect at the last surface mounting of piston has a shock pad, but this swivel chair chassis does not set up multistage damping device, leads to this swivel chair chassis's shock attenuation effect lower, if meet the heavier people of weight and probably let this transfer chassis the damaged condition appear when using.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the relatively poor problem of shock attenuation effect on traditional swivel chair chassis that exists among the prior art, provide a from rotating seat support that has excellent shock attenuation effect now.

The utility model discloses a from rotating seat support, including the pan that plays the supporting role, pan upper end be equipped with the pivot, pan center and pivot bottom through hexagonal screw rod fixed connection in the cartridge, the pivot top be equipped with square turntable, square turntable center and pivot top through the outer hexagonal screw rod swing joint of cartridge, square turntable upper end be equipped with the multistage buffer who is used for protecting square turntable.

When square carousel received great pressure, multistage buffer can carry out multistage buffering to square carousel to protect square carousel effectively, prolong the utility model discloses a life.

Preferably, the rotating shaft comprises a lower shaft with a convex-shaped longitudinal section, the bottom end of the lower shaft is fixedly connected with the center of the flat base plate through a plug-in inner hexagonal screw, the top of the protruding end of the lower shaft is movably connected with the center of the square turntable through a plug-in outer hexagonal screw, an upper shaft with a concave-shaped longitudinal section is arranged on the periphery of the lower shaft, the upper end face of the upper shaft is welded with the bottom face of the square turntable, a raceway bearing is arranged between the bottom of the protruding end of the lower shaft and the top of the recessed end of the upper shaft, a T-shaped copper sleeve is arranged on the periphery of the top of the protruding end of the lower shaft, a spring gasket is sleeved on the periphery of the upper end of the outer hexagonal screw, and a butterfly gasket is arranged between the spring gasket and.

Preferably, the multistage buffering device comprises a first-stage shock absorber and a second-stage shock absorber, the first-stage shock absorber comprises a square buffering plate arranged above a square turntable, spring pins in a T shape are respectively installed at four corners of the lower end of the square buffering plate, a spring is sleeved on each spring pin, the upper end and the lower end of each spring are respectively welded with the top of each spring pin and the upper end face of the square turntable, and the second-stage shock absorbers are respectively arranged on the front side edge and the rear side edge of the square buffering plate.

Through setting up one-level buffer and second grade buffer and realizing the utility model discloses a multistage buffer function, during the use, can absorb the impact between head and square buffer board to a great extent, both protected square rotary table, prolonged the utility model discloses a life, the buttock of protecting again has improved the utility model discloses a security, because the utility model discloses have stronger buffer capacity, so the utility model discloses have the travelling comfort that nature is more.

Preferably, the second grade bumper shock absorber including setting up the long pin pole in both sides around square turntable top respectively, long pin pole about both ends be equipped with the stopper respectively, the stopper center be equipped with the pinhole that is used for installing the long pin pole, stopper bottom and square turntable up end weld mutually, the peripheral cover of long pin pole have No. two springs, No. two springs weld the clamping ring respectively in both ends about, the side welding of clamping ring have the push rod, the other end of push rod articulate the rocking arm, the other end and the square buffer board side of rocking arm articulated mutually.

During the use, user's buttock can extrude square buffer board earlier, square buffer board be the better rubber slab of elasticity, the spring round pin of square buffer board lower extreme can extrude a spring in extrusion process, can absorb the impact that the head brought at a spring deformation in-process, when a spring is compressed, square buffer board can descend, can drive push rod and clamping ring and go to extrude No. two springs at the in-process rocking arm that descends, realizes through the deformation of a spring and No. two springs the utility model discloses a multistage buffer function.

The utility model discloses following beneficial effect has: compact structure, reasonable in design, long service life, the travelling comfort is good, and the security is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the multistage buffering device of the present invention.

The device comprises a flat base 1, a rotating shaft 2, an inner hexagonal screw 3, a square rotary table 4, an outer hexagonal screw 5, a lower shaft 6, an upper shaft 7, a raceway bearing 8, a copper sleeve 9, a spring gasket 10, a butterfly gasket 12, a square buffer plate 13, a spring pin 14, a first spring 15, a long pin rod 16, a limiting block 17, a second spring 18, a pressing ring 19, a push rod 20 and a rocker arm 21.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the utility model discloses going on further explaining according to attached figure 1 and figure 2, the from rotating seat support of this example, including the pan 1 that plays the supporting role, 1 upper ends of pan be equipped with

pivot

2, 2 bottoms of pan 1 center and pivot through 3 fixed connection of hexagonal screw rod in the cartridge, 2 tops of pivot be equipped with square turntable 4, square turntable 4 center and 2 tops of pivot through 5 swing joint of outer hexagonal screw rod of cartridge, 4 upper ends of square turntable be equipped with the multistage buffer who is used for protecting square turntable 4.

The rotating shaft 2 comprises a lower shaft 6 with a convex longitudinal section, the bottom end of the lower shaft 6 is fixedly connected with the center of the flat base plate 1 through an inserted inner hexagonal screw 3, the top of a protruding end of the lower shaft 6 is movably connected with the center of the square turntable 4 through an inserted outer hexagonal screw 5, an upper shaft 7 with a concave longitudinal section is arranged on the periphery of the lower shaft 6, the upper end surface of the upper shaft 7 is welded with the bottom surface of the square turntable 4, a raceway bearing 8 is arranged between the bottom of the protruding end of the lower shaft 6 and the top of a recessed end of the upper shaft 7, a copper sleeve 9 with a T-shaped longitudinal section is arranged on the periphery of the top of the protruding end of the lower shaft 6, a spring gasket 10 is sleeved on the periphery of the upper end of the outer hexagonal screw 5, and a butterfly gasket 12 is arranged between the spring gasket 10 and the copper sleeve.

Multistage buffer include one-level bumper shock absorber and second grade bumper shock absorber, one-level bumper shock absorber including setting up the square buffer board 13 in square carousel 4 top, the lower extreme four corners of square buffer board 13 on be equipped with respectively and be the spring catch 14 of "T" shape, spring catch 14 on the cover have a spring 15, a spring 15 the upper and lower end weld with spring catch 14 top and square carousel 4 up end respectively mutually, square buffer board 13 around on the both sides limit be equipped with the second grade bumper shock absorber respectively.

Second grade bumper shock absorber including setting up the long round pin pole 16 in both sides around 4 top square turntables respectively, long round pin pole 16 about both ends be equipped with stopper 17 respectively, stopper 17 center be equipped with the pinhole that is used for installing long round pin pole 16, stopper 17 bottom and square turntable 4 up end weld mutually, 16 peripheral covers of long round pin pole have No. two springs 18, No. two springs 18 about both ends weld respectively and have clamping ring 19, the side welding of clamping ring 19 have push rod 20, push rod 20's the other end articulate and have rocking arm 21, rocking arm 21's the other end and square buffer plate 13 side articulated mutually.

The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a from rotating seat support, is including the pan (1) that plays the supporting role, characterized by, pan (1) upper end be equipped with pivot (2), pan (1) center and pivot (2) bottom through hexagonal screw rod (3) fixed connection in the cartridge, pivot (2) top be equipped with square carousel (4), square carousel (4) center and pivot (2) top through the outer hexagonal screw rod of cartridge (5) swing joint, square carousel (4) upper end be equipped with the multistage buffer who is used for protecting square carousel (4).

2. The self-rotating chair seat as claimed in claim 1, wherein the rotating shaft (2) comprises a lower shaft (6) with a convex-shaped longitudinal section, the bottom end of the lower shaft (6) is fixedly connected with the center of the flat base (1) through an inserted inner hexagonal screw (3), the top of the protruding end of the lower shaft (6) is movably connected with the center of the square turntable (4) through an inserted outer hexagonal screw (5), an upper shaft (7) with a concave-shaped longitudinal section is arranged on the periphery of the lower shaft (6), the upper end surface of the upper shaft (7) is welded with the bottom of the square turntable (4), a raceway bearing (8) is arranged between the bottom of the protruding end of the lower shaft (6) and the top of the concave end of the upper shaft (7), a T-shaped copper sleeve (9) is arranged on the periphery of the top of the protruding end of the lower shaft (6), and a spring washer (10) is sleeved on the periphery of the upper end of the outer hexagonal screw (5), a butterfly gasket (12) is arranged between the spring gasket (10) and the copper sleeve (9).

3. The self-rotating chair seat as claimed in claim 1, wherein the multi-stage buffer device comprises a primary shock absorber and a secondary shock absorber, the primary shock absorber comprises a square buffer plate (13) arranged above the square rotating disk (4), four corners of the lower end of the square buffer plate (13) are respectively provided with a T-shaped spring pin (14), the spring pin (14) is sleeved with a first spring (15), the upper end and the lower end of the first spring (15) are respectively welded with the top of the spring pin (14) and the upper end face of the square rotating disk (4), and the front side and the rear side of the square buffer plate (13) are respectively provided with the secondary shock absorbers.

4. The spin chair base according to claim 3, wherein the secondary shock absorber comprises long pins (16) respectively arranged at the front side and the rear side above the square turntable (4), limit blocks (17) are respectively arranged at the left end and the right end of each long pin (16), pin holes for installing the long pins (16) are formed in the centers of the limit blocks (17), the bottoms of the limit blocks (17) are welded with the upper end face of the square turntable (4), a second spring (18) is sleeved on the periphery of each long pin (16), compression rings (19) are respectively welded at the left end and the right end of each second spring (18), push rods (20) are welded at the side ends of the compression rings (19), rocker arms (21) are hinged to the other ends of the push rods (20), and the side edges of the rocker arms (21) are hinged to the side edges of the square buffer plates (13).