CN210121002U

CN210121002U - Swivel chair chassis with universal adjusting mechanism

Info

Publication number: CN210121002U
Application number: CN201920625033.3U
Authority: CN
Inventors: 倪永兴
Original assignee: HANGZHOU ZHONGTAI INDUSTRIAL GROUP Co Ltd
Current assignee: HANGZHOU ZHONGTAI INDUSTRIAL GROUP Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-03-03
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to a swivel chair chassis especially relates to a swivel chair chassis of taking universal adjustment mechanism. The universal adjusting device mainly solves the technical problems that a swivel chair chassis in the prior art cannot be adjusted in a universal mode, the adjustment has great limitation, the whole chassis is not smooth in operation, the protection performance is poor, and the like. The utility model discloses a mounting panel (1) and universal regulation lower mounting panel (2) on the universal regulation, universal regulation go up the centre of mounting panel (1) and universal regulation lower mounting panel (2) link together through set screw (3), universal regulation goes up mounting panel (1) and universal regulation lower mounting panel (2) between be equipped with reset support block (4), universal regulation lower mounting panel is fixed with base (5), it has spacing groove (6) to open on the base, the embedded lift adjustment clamp plate (7) that is equipped with of spacing groove, the lift adjustment clamp plate is connected with lift adjustment ring (8), base middle part cross-under toper pipe (9).

Description

Swivel chair chassis with universal adjusting mechanism

Technical Field

The utility model relates to a swivel chair chassis especially relates to a swivel chair chassis of taking universal adjustment mechanism.

Background

The tray of the prior known swivel chair consists of an upper tray, a lower tray beam, a fulcrum and spring device parts, and after the upper tray is fixed with the back of the seat of the swivel chair, the swivel chair can be properly lifted around the fulcrum, so that a user can feel comfortable. The Chinese patent discloses a tray (publication number: CN 2587252Y), which mainly comprises a bottom plate, a movable seat, a conical tube and an adjusting device, wherein the movable seat is fixedly connected with the bottom plate, a conical tube fixing plate is arranged at the other side of the movable seat, and the conical tube fixing plate, the movable seat and the conical tube are fixedly connected; the adjusting device comprises an adjusting rod, an adjusting plate, a torsional spring and a torsional spring fixing plate, wherein the adjusting rod is inserted into the movable seat, the adjusting plate is fixedly connected to one end of the adjusting rod inserted into the movable seat, one surface of the adjusting plate is in contact with the air pressure rod, and the other surface of the adjusting plate is connected with the torsional spring; the other side of the adjusting plate is provided with an adjusting plate rotation stopping sheet; riveting the movable seat on the bottom plate by using a rivet, welding a conical tube at the center of the movable seat, winding a torsion spring and a torsion spring fixing plate on the rivet, fixing one end of the torsion spring on the torsion spring fixing plate, and arranging an adjusting plate convex bubble on the adjusting plate; the tray is provided with a locking mechanism which mainly comprises a fixed block, a rivet, an adjusting rod, a roller seat, a roller pin, an adjusting sleeve, a rivet, an adjusting bolt, a pressure spring, a fixed seat, a braking piece, a steel sleeve and a locking nut; the fixed block is fixedly connected to a movable seat, a rivet is movably inserted into the end part of the fixed block, one end of a brake piece is movably fixed in the center of the rivet, a long waist-shaped hole is formed in the other end of the brake piece, an adjusting bolt is inserted into the long waist-shaped hole, a locking nut is screwed at one end of the adjusting bolt, a steel sleeve penetrates through the adjusting bolt, the outer surface of the steel sleeve is movably matched with one side face of a fixed seat, the fixed seat is fixedly connected to a bottom plate, an adjusting sleeve is fixedly connected to the other side face of the fixed seat, a pressure spring is in clearance fit with the inner side of the fixed seat, the pressure spring is wound on the adjusting bolt, the end face of the adjusting bolt supports against; an adjusting rod is welded on the inner side of the other end of the roller seat. However, the chassis of the swivel chair cannot be adjusted in a universal manner, the adjustment has great limitation, the whole chassis is not smooth in operation, and the protection performance is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a take universal adjustment mechanism's swivel chair chassis, it mainly is that the swivel chair chassis of solving prior art existence can't carry out universal regulation, adjusts and has very big limitation to the operation on whole chassis is less smooth and easy, and the protective properties is the technical problem of relatively poor etc.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model discloses a take universal adjustment mechanism's swivel chair chassis, mounting panel and universal regulation lower mounting panel on universal regulation, universal regulation go up the centre of mounting panel and universal regulation lower mounting panel and link together through set screw, universal regulation is gone up and is equipped with the supporting shoe that resets between mounting panel and the universal regulation lower mounting panel, universal regulation lower mounting panel is fixed with the base, it has the spacing groove to open on the base, the embedded lift adjustment clamp plate that is equipped with of spacing groove, the lift adjustment clamp plate is connected with the lift adjustable ring, base middle part cross-under conical tube. The utility model discloses a pressure moves lift adjustable ring, and the lift adjustment clamp plate can move in the base, accomplishes lift adjustment. And because the reset supporting block, the universal adjusting upper mounting plate and the universal adjusting lower mounting plate which can move relatively are adopted, the universal adjustment can be carried out.

Preferably, the middle part of the universal adjusting upper mounting plate is provided with a concave spherical surface, and an upper universal adjusting block is arranged in the concave spherical surface; the middle part of the universal adjusting lower mounting plate is provided with an upward convex spherical surface, and a lower universal adjusting block is arranged in the upward convex spherical surface. The universal adjusting upper mounting plate and the universal adjusting lower mounting plate are respectively matched with the upper universal adjusting block and the lower universal adjusting block through spherical surfaces, and universal adjustment can be smoothly performed.

Preferably, the base in be equipped with the stopper, be equipped with the lift reset spring in the stopper, the lift reset spring is located between lift adjustment clamp plate and the conical duct. The lifting adjusting pressure plate can be reset by utilizing the lifting reset spring. The position of the lifting return spring can be limited by the limiting block.

Preferably, the top surface of the limiting block is provided with a plurality of salient points which penetrate into the through holes of the universal adjusting lower mounting plate. The convex points are utilized, so that the assembly is simpler, and the four side surfaces of the limiting block are provided with grooves which can penetrate through the lifting adjusting pressure plate.

Preferably, the outside of the conical tube is provided with a reinforcing ring. The reinforcing ring may be used to protect the tapered tube.

Preferably, the outside of base be equipped with the protective cover, be connected through buckle and universal regulation lower mounting panel in the protective cover. The protective cover can wrap all parts at the lower part of the whole swivel chair chassis, and the function of preventing dust invasion is achieved.

Preferably, a protection ring is arranged outside the reset supporting block and fixed on the universal adjusting upper mounting plate. The guard ring can be used for protecting the reset supporting block.

Preferably, the bearing device is arranged on the inner side of the protective ring and comprises a plastic inner ring and a plastic outer ring, a roller is arranged between the plastic inner ring and the plastic outer ring, a sawtooth groove is formed in the outer surface of the plastic outer ring, and a soft material layer is embedded in the sawtooth groove. The bearing device can guarantee the smoothness when the mounting panel produces relative displacement under universal regulation and the mounting panel on the universal regulation, because the surface of plastics outer lane inlays and is equipped with soft material layer, it can hug closely together when contact guard ring like this, can not only play the supporting role, can also prevent wearing and tearing. The soft material layer is made of rubber, sponge and the like. However, the existing swivel chair chassis is not provided with a bearing design, and the shell is easy to clamp when in use.

Preferably, the lifting adjusting pressure plate is cross-shaped, and the middle part of the lifting adjusting pressure plate protrudes upwards.

Preferably, the inner circle of the lifting adjusting ring is provided with a mounting seat, a screw hole is formed in the mounting seat, and two ends of the lifting adjusting pressing plate are arranged in the mounting seat. The mounting seat can play the effect of location for the installation of lift adjustment clamp plate is comparatively simple, accurate.

Therefore, the utility model discloses a swivel chair chassis can carry out universal regulation, and the control range is wider to the operation on whole chassis is comparatively smooth and easy, and barrier propterty is also better, simple structure, reasonable.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic structural diagram of the bearing device of the present invention.

Parts, positions and numbers in the drawings: the universal adjusting device comprises an upper universal adjusting mounting plate 1, a lower universal adjusting mounting plate 2, a fixing screw 3, a reset supporting block 4, a base 5, a limiting groove 6, a lifting adjusting pressing plate 7, a lifting adjusting ring 8, a conical tube 9, an upper universal adjusting block 10, a lower universal adjusting block 11, a limiting block 12, a lifting reset spring 13, a salient point 14, a reinforcing ring 15, a protective cover 16, a buckle 17, a protective ring 18, a plastic inner ring 19, a plastic outer ring 20, a roller 21, a sawtooth groove 22, a soft material layer 23 and a mounting seat 24.

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 swivel chair chassis with the universal adjusting mechanism comprises an upper universal adjusting mounting plate 1 and a lower universal adjusting mounting plate 2, the middles of the upper universal adjusting mounting plate 1 and the lower universal adjusting mounting plate 2 are connected together through fixing screws 3, a reset supporting block 4 is arranged between the upper universal adjusting mounting plate 1 and the lower universal adjusting mounting plate 2, a protective ring 18 is arranged outside the reset supporting block 4, and the protective ring is fixed on the upper universal adjusting mounting plate 1. The universal regulation lower mounting plate is fixed with a base 5, a limiting groove 6 is formed in the base, a lifting regulation pressing plate 7 is embedded in the limiting groove and connected with a lifting regulation ring 8, the lifting regulation pressing plate is cross-shaped, and the middle of the lifting regulation pressing plate protrudes upwards. The inner circle of the lifting adjusting ring is provided with a mounting seat 24, a screw hole is arranged in the mounting seat, and two ends of the lifting adjusting pressure plate 7 are arranged in the mounting seat. The middle part of the base is penetrated and connected with a conical pipe 9. The outside of the conical tube 9 is provided with a reinforcing ring 15. The middle part of the universal adjusting upper mounting plate is provided with a concave spherical surface, and an upper universal adjusting block 10 is arranged in the concave spherical surface; the middle part of the universal adjusting lower mounting plate is provided with an upward convex spherical surface, and a lower universal adjusting block 11 is arranged in the upward convex spherical surface. A limiting block 12 is arranged in the base, a lifting reset spring 13 is arranged in the limiting block, and the lifting reset spring is located between the lifting adjusting pressure plate 7 and the conical tube 9. The top surface of stopper 12 is equipped with a plurality of bumps 14, and the bump penetrates in the through-hole of universal regulation lower mounting panel 2. The outside of base 5 is equipped with protective cover 16, is connected with universal regulation lower mounting panel 2 through buckle 17 in the protective cover. Referring to fig. 3, a bearing device is arranged on the inner side of the guard ring 18, the bearing device comprises a plastic inner ring 19 and a plastic outer ring 20, a roller 21 is arranged between the plastic inner ring and the plastic outer ring, a sawtooth groove 22 is arranged on the outer surface of the plastic outer ring, and a soft material layer 23 is embedded in the sawtooth groove.

When in use, the utility model is put into the swivel chair, and the lifting adjusting ring 8 is pressed to adjust.

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 take universal adjustment mechanism's swivel chair chassis, mounting panel (1) and universal regulation lower mounting panel (2) under universal regulation, its characterized in that universal regulation go up the centre of mounting panel (1) and universal regulation lower mounting panel (2) link together through set screw (3), universal regulation is gone up mounting panel (1) and universal regulation and is equipped with between mounting panel (2) supporting shoe (4) that reset down, universal regulation lower mounting panel is fixed with base (5), it has spacing groove (6) to open on the base, the spacing inslot is equipped with lift adjustment clamp plate (7), lift adjustment clamp plate is connected with lift adjustment ring (8), base middle part cross-under taper pipe (9).

2. The swivel chair chassis with the universal adjusting mechanism according to claim 1, characterized in that the middle of the universal adjusting upper mounting plate (1) is provided with a concave spherical surface, and an upper universal adjusting block (10) is arranged in the concave spherical surface; the middle part of the universal adjusting lower mounting plate (2) is provided with an upward convex spherical surface, and a lower universal adjusting block (11) is arranged in the upward convex spherical surface.

3. The swivel chair chassis with the universal adjusting mechanism according to claim 1 or 2, characterized in that a limiting block (12) is arranged in the base (5), a lifting return spring (13) is arranged in the limiting block, and the lifting return spring is arranged between the lifting adjusting pressure plate (7) and the conical tube (9).

4. The swivel chair chassis with the universal adjusting mechanism according to claim 3, characterized in that the top surface of the limiting block (12) is provided with a plurality of protruding points (14) which penetrate into the through holes of the universal adjusting lower mounting plate (2).

5. Swivel chair chassis with universal adjustment mechanism according to claim 1 or 2, characterised in that the conical tube (9) is externally provided with a reinforcement ring (15).

6. The swivel chair chassis with universal adjusting mechanism as claimed in claim 1 or 2, wherein the base (5) is provided with a protective cover (16) on the outside, and the protective cover is connected with the universal adjusting lower mounting plate (2) through a buckle (17).

7. The swivel chair chassis with universal adjusting mechanism according to claim 1 or 2, characterized in that a guard ring (18) is arranged outside the reset support block (4), and the guard ring is fixed on the universal adjusting upper mounting plate (1).

8. The revolving chair chassis with the universal adjusting mechanism according to claim 7, characterized in that the inside of the guard ring (18) is provided with a bearing device, the bearing device comprises a plastic inner ring (19) and a plastic outer ring (20), a roller (21) is arranged between the plastic inner ring and the plastic outer ring, the outer surface of the plastic outer ring is provided with a sawtooth groove (22), and a soft material layer (23) is embedded in the sawtooth groove.

9. The revolving chair chassis with the universal adjusting mechanism according to claim 1 or 2, characterized in that the lifting adjusting pressure plate (7) is cross-shaped, and the middle part of the lifting adjusting pressure plate is protruded upwards.

10. The swivel chair chassis with the universal adjusting mechanism according to claim 1 or 2, characterized in that the inner circle of the lifting adjusting ring (8) is provided with a mounting seat (24), a screw hole is arranged in the mounting seat, and two ends of the lifting adjusting pressure plate (7) are arranged in the mounting seat.