CN216293522U

CN216293522U - Gear shaft hinge combined type synchronous turnover partition seat

Info

Publication number: CN216293522U
Application number: CN202122917006.3U
Authority: CN
Inventors: 翟朝云
Original assignee: Zibo Meiyou Intelligent Technology Co ltd
Current assignee: Zibo Meiyou Intelligent Technology Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-15
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to a gear shaft hinge combined type synchronous turnover partition seat which comprises a main seat surface, a movable seat surface and a base fixed at the bottom of the main seat surface, wherein the movable seat surface is hinged to two sides of the front end of the base through gear shaft hinge composite parts, the left and right gear shaft hinge composite parts are connected with transmission gears, the transmission gears on two sides are fixedly arranged on a synchronous roller shaft, the synchronous roller shaft is rotatably arranged on the base, and the synchronous roller shaft is connected with a positioning locking device. The utility model adopts a gear shaft hinge composite type structure, the gear shafts synchronously rotate, the design is novel, simple and reliable, the stability is strong, the space utilization rate is high, the angle of the movable chair seat of the chair can be adjusted and positioned through the positioning and locking device, and the free positioning of the integral pitching and swinging angle is realized by assisting the adjustment of the height and the angle of the main chair seat and the backrest so as to adapt to the individual physical signs of different users.

Description

Gear shaft hinge combined type synchronous turnover partition seat

Technical Field

The utility model belongs to the technical field of home furnishing, and particularly relates to a gear shaft hinge combined type synchronous overturning partition seat.

Background

Due to the heavy burden of the study and class industry and the requirement of working property, the problems of myopia, cervical vertebra and lumbar pain and the like of a user can be easily caused by long-time sitting, the seat surface of the traditional seat is flat and fixed, the stress of the gravity of a human body on the hip and the leg can not be reasonably distributed, and the application effect of the human engineering is poor. The seat surface partitions which appear in the past are all connected through common hinges, the left and right partitions cannot be symmetrically and synchronously turned, the use of a connecting rod and a supporting arm limits the further upgrading space of electrified intellectualization of a seat chassis, and the free positioning of the integral pitching and swinging angle of the seat cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gear shaft hinge combined type synchronous overturning partition seat, which solves the problems that the prior partition seat uses a connecting rod and a supporting arm, the electrified intelligentized further upgrading space of a seat chassis is limited, and the free positioning of the integral pitching swing angle of the seat cannot be realized.

The utility model relates to a gear shaft hinge combined type synchronous turnover partition seat which comprises a main seat surface, a movable seat surface and a base fixed at the bottom of the main seat surface, wherein the movable seat surface is hinged to two sides of the front end of the base through gear shaft hinge composite parts, the left and right gear shaft hinge composite parts are connected with transmission gears, the transmission gears on two sides are fixedly arranged on a synchronous roller shaft, the synchronous roller shaft is rotatably arranged on the base, and the synchronous roller shaft is connected with a positioning locking device.

The gear shaft hinge composite part comprises a connecting plate fixed with the movable chair surface, a rotating sleeve is fixedly connected with the connecting plate, a driven gear meshed with the transmission gear is fixed on the rotating sleeve, and the rotating sleeve is rotatably installed on the base through a pin shaft. Simple structure and low cost.

The transmission gear is an umbrella-shaped conical gear, and the driven gear is an incomplete umbrella-shaped conical gear. The meshing is more stable, and the synchronous effect of transmission is better.

The connecting plate, the rotating sleeve and the driven gear are of a precision casting integrated structure. The manufacture and the installation are more convenient, and the cost is lower.

The pin roll is sleeved with a torsional spring, one end of the torsional spring is installed on the rotating sleeve, and the other end of the torsional spring is installed on the base. The impact force generated when the user sits on the movable chair surface can be buffered, and the chair is more comfortable.

The middle of base articulates there is seat lift air pressure bar cartridge seat, and seat lift air pressure bar cartridge seat other end articulates there are a plurality of adjustment pieces one, and the other end top be fixed with the spring, and the spring upper end is fixed with the base, is equipped with bar hole one on every adjustment piece one, penetrates in a plurality of bar holes one to have spacing axle one, and spacing axle one is installed on compressing tightly platform one, through the pull of spacing axle one, compresses tightly or loosens adjustment piece one. Thereby adjust the angle of main seat, the regulation of the main seat angle of pitching of realization increases comfortable leisure.

The rear end of base is articulated to have the back of the chair frame, and the front end of back of the chair frame is articulated to have a plurality of adjustment tabs two, is equipped with bar hole two on every adjustment tab two, penetrates in a plurality of bar hole two to have spacing axle two, and spacing axle two is installed on compressing tightly platform two, through the pull of spacing axle two, compresses tightly or loosens adjustment tab two. The inclination angle of the chair back can be adjusted, and the chair is more comfortable.

The positioning and locking device comprises a positioning gear fixed on the synchronous roller shaft, a semicircular positioning rack is arranged below the positioning gear, the semicircular positioning rack is rotatably installed on the base, and a knob is installed at one end of the semicircular positioning rack. By rotating the semicircular positioning rack, the positioning gear is locked and unlocked, when the side with teeth of the semicircular positioning rack rotates to one side of the positioning gear, locking positioning is carried out, otherwise, unlocking is carried out, and the angle of the movable chair surface can be adjusted.

The positioning and locking device comprises a worm wheel fixed on the synchronous roller shaft, the worm wheel is connected with a worm, the worm is rotatably installed on the base, and the worm is connected with a driving motor. The angle of the movable chair seat can be automatically adjusted by the driving motor, and self-locking can be completed by the worm wheel and worm structure.

The bottom of the movable chair surface is hinged with an air spring, and the other end of the air spring is hinged with the base. The buffering effect is better, and is more comfortable.

Compared with the prior art, the utility model has the advantages that:

adopt gear shaft hinge complex style structure, gear shaft synchronous revolution, the modern design, it is simple reliable, stability is strong, space utilization is high, and can realize the regulation location of seat activity seat angle through location locking device, assist the regulation of main seat and back height and angle, realize wholly pitching the free location of swaing the angle, with the individual character sign of adaptation different users, it is self-supporting to realize the angle through torsional spring pressure fit user dead weight, alleviate the buttock pressurized, delay fatigue, the travelling comfort of seat has been improved.

Drawings

Fig. 1 is a schematic view of a manual type structure of the present invention;

FIG. 2 is a schematic view of an automated construction of the present invention;

FIG. 3 is a schematic view of the mounting structure of the gas spring;

FIG. 4 is a schematic view of the mounting structure of the base;

FIG. 5 is a schematic structural view of a tooth shaft hinge composite;

in the figure: 1. a movable chair surface; 2, positioning a gear; 3. a main seat surface; 4. a base; 5. a connecting plate; 6. rotating the sleeve; 7. a driven gear; 8. a transmission gear; 9. a knob; 10. a pin shaft; 11. a torsion spring; 12. a synchronous roll shaft; 13. the chair comprises a semicircular positioning rack 14, a chair column frame 15, adjusting pieces I and 16, a chair back frame 17, adjusting pieces II and 18, limiting shafts II and 19, limiting shafts I and 20, springs 21, a driving motor 22, strip-shaped holes II and 23, strip-shaped holes I and 24, a gas spring 25, pressing tables I and 26 and a pressing table II.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Embodiment 1, as shown in fig. 1, the utility model relates to a toothed shaft hinge combined type synchronous turnover partition seat, which comprises a main seat surface 3, a movable seat surface 1 and a base 4 fixed at the bottom of the main seat surface 3, wherein the movable seat surface 1 is hinged at two sides of the front end of the base 4 through a toothed shaft hinge composite part, the left and right toothed shaft hinge composite parts are connected with transmission gears 8, the transmission gears 8 at two sides are fixedly installed on synchronous roll shafts 12, the synchronous roll shafts 12 are rotatably installed on the base 4, and the synchronous roll shafts 12 are connected with a positioning locking device.

The gear shaft hinge composite part comprises a connecting plate 5 fixed with the movable chair surface 1, the connecting plate 5 is fixedly connected with a rotating sleeve 6, a driven gear 7 meshed with a transmission gear 8 is fixed on the rotating sleeve 6, and the rotating sleeve 6 is rotatably installed on the base 4 through a pin shaft 10.

The transmission gear 8 is an umbrella-shaped conical gear, and the driven gear 7 is an incomplete umbrella-shaped conical gear.

The connecting plate 5, the rotating sleeve 6 and the driven gear 7 are of a precision casting integrated structure.

The pin shaft 10 is sleeved with a torsion spring 11, one end of the torsion spring 11 is installed on the rotating sleeve 6, and the other end of the torsion spring 11 is installed on the base 4.

The positioning and locking device comprises a positioning gear 2 fixed on a synchronous roller shaft 12, a semicircular positioning rack 13 is arranged below the positioning gear 2, the semicircular positioning rack 13 is rotatably installed on the base 4, and a knob 9 is installed at one end of the semicircular positioning rack 13.

When the chair is in work, when the chair needs to be moved, the knob 9 can be rotated to separate one side of the tooth surface of the semicircular positioning rack 13 from the positioning gear 2, then a person is on the main chair surface 3, the movable chair surface 1 is pressed down under the self gravity of the person, the movable chair surface 1 is buffered under the action of the torsion spring 11, the proper angle can be self-adapted, and after the chair is adjusted, the knob 9 is rotated to enable the tooth surface of the semicircular positioning rack 13 to be matched with the positioning gear 2, so that locking is completed.

Embodiment 2, on the basis of embodiment 1, the middle of base 4 articulates there is seat lift air pressure bar cartridge 14, and seat lift air pressure bar cartridge 14 other end articulates there are a plurality of regulating pieces one 15, and the other end top of seat post frame 14 is fixed with spring 20, and the spring 20 upper end is fixed with base 4, is equipped with bar hole one 23 on every regulating piece one 15, and a plurality of bar holes one 23 are interior to penetrate spacing axle one 19, and spacing axle one 19 is installed on compressing tightly platform one 25.

The rear end of the base 4 is hinged with a backrest frame 16, the front end of the backrest frame 16 is hinged with a plurality of second adjusting pieces 17, each second adjusting piece 17 is provided with a second strip-shaped hole 22, a second limiting shaft 18 penetrates into the second strip-shaped holes 22, and the second limiting shaft 18 is installed on a second pressing table 26. As shown in fig. 4.

The air pressure rod can be inserted on the seat lifting air pressure rod inserting seat 14, the seat back can be inserted on the seat back frame 16, when the first limiting shaft 19 is loosened, the main seat surface 3 is pressed downwards, the spring 20 is compressed because the seat lifting air pressure rod inserting seat 14 is kept fixed, and the base 4 moves upwards and downwards to drive the main seat surface 3 to adjust the angle.

Embodiment 3, as shown in fig. 2, differs from

embodiment

1 or 2 in that the positioning and locking device includes a worm wheel fixed on the synchronizing roller shaft 12, the worm wheel is connected with a worm, the worm is rotatably mounted on the base 4, and the worm is connected with a driving motor 21.

The driving motor 21 is started to drive the worm gear to rotate, so as to drive the synchronous roller shaft 12 to rotate, and then the rotating sleeve 6 is driven to rotate through the transmission gear 8 and the driven gear 7, so as to drive the movable chair surface 1 to change the overturning angle. Until it is adapted to the user and then stopped.

Embodiment 4, as shown in fig. 3, on the basis of

embodiment

1 or 2, the bottom of the movable seat 1 is hinged with a gas spring 24, and the other end of the gas spring 24 is hinged with the base 4.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. The utility model provides a synchronous subregion seat that overturns of tooth axle hinge combined type, includes main seat (3), activity seat (1) and fixes base (4) in main seat (3) bottom, its characterized in that: the movable chair surface (1) is hinged to two sides of the front end of the base (4) through a gear shaft hinge composite part, the left gear shaft hinge composite part and the right gear shaft hinge composite part are connected with transmission gears (8), the transmission gears (8) on the two sides are fixedly installed on a synchronous roller shaft (12), the synchronous roller shaft (12) is rotatably installed on the base (4), and the synchronous roller shaft (12) is connected with a positioning locking device.

2. The toothed shaft hinge composite synchronous overturning partition seat according to claim 1, wherein: the gear shaft hinge composite part comprises a connecting plate (5) fixed with the movable chair surface (1), the connecting plate (5) is fixedly connected with a rotating sleeve (6), a driven gear (7) meshed with a transmission gear (8) is fixed on the rotating sleeve (6), and the rotating sleeve (6) is rotatably installed on the base (4) through a pin shaft (10).

3. The toothed shaft hinge composite synchronous overturning partition seat as claimed in claim 2, wherein: the transmission gear (8) is an umbrella-shaped conical gear, and the driven gear (7) is an incomplete umbrella-shaped conical gear.

4. The toothed shaft hinge composite synchronous overturning partition seat as claimed in claim 2, wherein: the connecting plate (5), the rotating sleeve (6) and the driven gear (7) are of a precision casting integrated structure.

5. The toothed shaft hinge composite synchronous overturning partition seat as claimed in claim 2, wherein: the pin shaft (10) is sleeved with a torsion spring (11), one end of the torsion spring (11) is installed on the rotating sleeve (6), and the other end of the torsion spring (11) is installed on the base (4).

6. The toothed shaft hinge composite synchronous overturning partition seat according to claim 1, wherein: the middle of base (4) is articulated to have seat lift air pressure bar cartridge seat (14), seat lift air pressure bar cartridge seat (14) other end articulates there are a plurality of adjustment sheet (15), the other end top of seat lift air pressure bar cartridge seat (14) is fixed with spring (20), spring (20) upper end is fixed with base (4), be equipped with bar hole (23) on every adjustment sheet (15), penetrate in a plurality of bar hole (23) and have spacing axle (19), install on base (4) compress tightly platform (25) spacing axle (19).

7. The toothed shaft hinge composite synchronous overturning partition seat according to claim 1, wherein: the rear end of base (4) is articulated to have back of the chair frame (16), and the front end of back of the chair frame (16) is articulated to have a plurality of regulating segments two (17), is equipped with bar hole two (22) on every regulating segment two (17), penetrates in a plurality of bar hole two (22) and has spacing axle two (18), and spacing axle two (18) are installed on the platform two (26) that compress tightly of base (4).

8. The toothed shaft hinge composite synchronous overturning partition seat according to any one of claims 1-7, wherein: the positioning and locking device comprises a positioning gear (2) fixed on a synchronous roller shaft (12), a semicircular positioning rack (13) is arranged below the positioning gear (2), the semicircular positioning rack (13) is rotatably installed on the base (4), and a knob (9) is installed at one end of the semicircular positioning rack (13).

9. The toothed shaft hinge composite synchronous overturning partition seat according to any one of claims 1-7, wherein: the positioning and locking device comprises a worm wheel fixed on the synchronous roller shaft (12), the worm wheel is connected with a worm, the worm is rotatably installed on the base (4), and the worm is connected with a driving motor (21).

10. The toothed shaft hinge composite synchronous overturning partition seat according to claim 8, wherein: the bottom of the movable chair surface (1) is hinged with an air spring (24), and the other end of the air spring (24) is hinged with the base (4).