CN211154697U

CN211154697U - Adjustable backrest type office chair with massage function

Info

Publication number: CN211154697U
Application number: CN201922370301.4U
Authority: CN
Inventors: 万忠明; 陈培红; 刘荣学
Original assignee: Zhejiang Anji Daming Furniture Co Ltd
Current assignee: Zhejiang Anji Daming Furniture Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-04
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an adjustable back formula office chair with massage function, including supporting the chair foot, set up in the seat support of supporting chair foot top, set up in the back of seat support rear side, the symmetry is provided with two links on the lateral wall of seat support orientation back, the rotation hole has all been seted up on the lateral wall of two links, set up the perforation that a plurality of circumference distribute in the rotation hole outside on the lateral wall of one of them link, the bottom of back is provided with the rotating turret that stretches into between two links, all be provided with on the lateral wall of rotating turret orientation two links and insert the rotation hole and rather than normal running fit's pivot, offer the jack that is used for with a plurality of perforation alignments on the lateral wall of rotating turret orientation link, wear to be equipped with in the perforation and insert the jack and continue pivoted location bolt with the restriction rotating turret. The technical scheme is characterized in that the angle between the chair seat and the backrest can be adjusted, so that the use requirements of different users are met to a certain extent, and the practicability is better.

Description

Adjustable backrest type office chair with massage function

Technical Field

The utility model relates to an office chair technical field, in particular to adjustable back formula office chair with massage function.

Background

The office chair refers to various chairs which are equipped for working conveniently in daily life and social activities, the office chair in a broad sense comprises all chairs used in offices, such as a executive chair, a middle class chair, a guest chair, a clerk chair, a conference chair, a visitor chair, a training chair and the like, and the office chair in a narrow sense refers to a backrest chair on which a person sits when working on a desktop in a sitting posture.

A prior chinese patent with publication number CN209269054U discloses an office chair, which comprises a load-bearing base, a chair, a backrest, and armrests, wherein the chair is fixedly mounted on the top surface of the load-bearing base, the upper end surface of the chair is a chair seat, the backrest is mounted on the rear side of the chair seat, and the armrests are mounted on the left and right sides of the chair seat. When in use, a user sits on the chair surface and leans against the backrest with the back.

The above prior art solutions have the following drawbacks: the difference exists in different users 'position of sitting, and the back is comparatively straight when some users end to sit, and the back can the hypsokinesis when some users end to sit, and the angle between this office chair's chair and the back can not change, can't adapt to different users' user demand, and the practicality is not good.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved problem of the utility model is to provide an adjustable back formula office chair with massage function to the aforesaid that exists among the prior art is not enough, and the angle between seat support and the back can be adjusted, satisfies different users' user demand to a certain extent, and the practicality is better.

(II) technical scheme

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an adjustable back formula office chair with massage function, is including supporting the chair foot, setting up in the seat support at support chair foot top, setting up in the back of seat support rear side, the symmetry is provided with two links, two on the lateral wall of seat support orientation back all seted up on the lateral wall of link and rotated the hole, one of them set up a plurality of circumferences on the lateral wall of link and distributed in the perforation in rotating the hole outside, the bottom of back is provided with the rotating turret that stretches into between two links, all be provided with on the lateral wall of rotating turret orientation two links and insert the rotation hole and rather than normal running fit's pivot, offer on the lateral wall of rotating turret orientation link and be used for respectively with a plurality of perforation alignings's jack, wear to be equipped with in the perforation and insert the jack and continue pivoted location bolt in order to restrict the rotating turret.

The utility model discloses further set up to: the seat is characterized in that a seat cushion part is arranged on the top surface of the seat, two first grooves are symmetrically formed in the top surface of the seat cushion part, supporting airbags used for supporting two hip flaps of a human body are embedded in each first groove, a one-way inflation inlet and a first air outlet are formed in each of the two supporting airbags, and a first air plug is arranged at the position of the first air outlet.

The utility model discloses further set up to: the seat cushion comprises a seat cushion part and is characterized in that the top surface of the seat cushion part is provided with a plurality of second grooves and first air pipe grooves used for communicating the adjacent second grooves, each second groove is internally embedded with a coated air bag, a first air pipe is arranged between the adjacent coated air bags, and the first air pipe is matched with the first air pipe grooves in an embedded mode.

The utility model discloses further set up to: the utility model discloses a chair backrest, including backrest, seat, back, first trachea groove, second trachea groove, every be provided with back portion on the surface of back, set up a plurality of third recesses on the top surface of back portion, be used for the second trachea groove with adjacent third recess intercommunication, every all inlay in the third recess and be equipped with the back gasbag, be provided with the second breather pipe between the adjacent back gasbag, the cooperation of scarf joint of second breather pipe and second trachea groove.

The utility model discloses further set up to: the seat is characterized in that one of the coating air bags is provided with a second air outlet, a second air plug is arranged at the second air outlet, one of the coating air bags is communicated with a first one-way air pipe, one of the backrest air bags is provided with a third air outlet, a third air plug is arranged at the third air outlet, one of the backrest air bags is communicated with a second one-way air pipe, and the seat is provided with an inflating assembly for inflating the plurality of coating air bags and the plurality of backrest air bags through the first one-way air pipe and the second one-way air pipe.

The utility model discloses further set up to: the utility model discloses a chair seat, including the battery that sets up in the mounting groove, set up in the mounting groove and the miniature pump that is connected with the battery electricity, set up the three-way valve in the mounting groove, be provided with the intake pipe between the import of three-way valve and the export of miniature pump, two exports of three-way valve link to each other with first one-way trachea and the one-way trachea of second respectively, the installation groove has been seted up on the lateral wall of seat support, aerify the subassembly including.

The utility model discloses further set up to: the bottom of the second groove is provided with a first channel communicated with the mounting groove and used for allowing a first one-way air pipe to penetrate into the mounting groove, and the seat is provided with a second channel used for allowing a second one-way air pipe to penetrate into the mounting groove.

The utility model discloses further set up to: the side wall of the chair seat is rotatably connected with a cover plate used for sealing the notch of the mounting groove.

(III) advantageous effects

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the practicability is good: the angle between the chair seat and the backrest can be adjusted, so that the use requirements of different users are met to a certain extent, and the practicability is better;

2. the comfort level is good: when a user sits on the office chair, the supporting air bag, the covering air bag and the backrest air bag can massage the human body, promote blood circulation, relieve working fatigue and have good comfort level.

Drawings

FIG. 1 is a schematic structural diagram of an adjustable backrest type office chair with a massage function in an embodiment;

fig. 2 is a partially exploded view of an adjustable back type office chair with a massage function in an embodiment.

Reference numerals: 1. supporting the chair legs; 2. a chair seat; 3. a backrest; 4. a connecting frame; 5. rotating the hole; 6. perforating; 7. positioning a bolt; 8. a rotating frame; 9. a rotating shaft; 10. a jack; 11. a cushion portion; 12. a first groove; 13. a support airbag; 14. a one-way inflation inlet; 15. a first air outlet; 16. a first air lock; 17. a second groove; 18. a first gas pipe groove; 19. coating the air bag; 20. a first vent pipe; 21. a first one-way air pipe; 22. a second air outlet; 23. a second air lock; 24. a backrest part; 25. a third groove; 26. a second air duct groove; 27. a backrest airbag; 28. a second vent pipe; 29. a second one-way air pipe; 30. a third air outlet; 31. a third air lock; 32. mounting grooves; 33. a cover plate; 34. an inflation assembly; 35. a storage battery; 36. a micro inflator; 37. a three-way valve; 38. an air inlet pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, an adjustable backrest type office chair with a massage function comprises supporting chair legs 1, a chair seat 2 fixedly installed at the tops of the supporting chair legs 1, and a backrest 3 arranged at the rear side of the chair seat 2, wherein the chair seat 2 and the backrest 3 are made of hard plastics. Seat support 2 is connected with two link 4 towards the integral type on the lateral wall of back 3, and the mutual symmetry of two link 4 just is close to the both sides setting of seat support 2, has all seted up the circular shape and has rotated hole 5 on the lateral wall of two link 4, sets up five perforation 6 on the lateral wall of one of them link 4, and five perforation 6 equidistance circumference distribute in the outside of rotating hole 5, and the centre of a circle line of five perforation 6 is the quarter circle, wears to be equipped with location bolt 7 on the perforation 6. The bottom fixedly connected with rotating turret 8 of back 3, rotating turret 8 stretch into between two link 4, and rotating turret 8 is equal fixedly connected with pivot 9 on the lateral wall of two link 4, and two pivot 9 insert corresponding rotation hole 5 respectively and rather than normal running fit. Circular jacks 10 are formed in the side wall of the rotating frame 8, the jacks 10 are used for aligning with the five through holes 6, and when the jacks 10 are respectively aligned with the through holes 6, the inclination angles of the backrest 3 are different. The positioning bolt 7 is inserted into the insertion hole 10 after passing through the through hole 6, thereby limiting the rotary frame 8 from further rotating.

During the use, the user takes out location bolt 7 earlier, then adjusts the inclination of back 3 according to the position of sitting demand of self to make jack 10 align with corresponding position's perforation 6, insert location bolt 7 at last, restriction rotating turret 8 continues to rotate, the contained angle between seat support 2 and the back 3 is relatively fixed this moment, so can adapt to different users' user demand better.

The top surface of the seat 2 is laid with a cushion part 11, the cushion part 11 mainly comprises a leather shell on the surface and fillers such as foamed plastics or cotton chips filled in the leather shell, and the cushion part 11 and the seat 2 are glued.

Two first grooves 12 are symmetrically formed in the top surface of the cushion part 11, the two first grooves 12 are located in the middle of the top surface of the cushion part 11, and the first grooves 12 are semi-elliptical. Each first groove 12 is embedded with a supporting air bag 13, half of the supporting air bag 13 is positioned in the first groove 12, the supporting air bag 13 is in an ellipsoid shape, the supporting air bag 13 is used for supporting two hip flaps of a human body, and the supporting air bag 13 and the cushion part 11 are glued. The air bag is an article which is filled with compressed air in a flexible rubber capsule, and the air compressibility is used for realizing the elastic action. When a user sits on the office chair, the two hip valves of the human body exert force on the two supporting air bags 13, gas in the supporting air bags 13 flows freely in the air bags along with the action of external force, the two hip valves can be guaranteed to feel comfortable automatic adjustment functions, the best effect of the two hip valves of the human body is achieved, working fatigue is effectively relieved, and the supporting air bags 13 can massage the two hip valves of the human body to promote blood circulation. The two support air bags 13 are respectively provided with a one-way inflation port 14 and a first air outlet 15, a one-way air valve is arranged in the one-way inflation port 14, and the one-way inflation port 14 can only allow air to enter the support air bags 13. First air outlet 15 department installs first air lock 16, is threaded connection between first air lock 16 and the first air outlet 15, and the mouth wall of first air outlet 15 has the internal thread promptly, and cylindric first air lock 16 has the external screw thread with internal thread matched with.

When the gas-filling device is used, a user unscrews the first air plug 16, the gas in the supporting air bag 13 escapes out of the supporting air bag 13 through the first gas outlet 15, then screws the first air plug 16 to block the first gas outlet 15, and then inflates the supporting air bag 13 to a proper inflation state by using an external inflation device.

The top surface of the cushion part 11 is provided with five second grooves 17, the second grooves 17 are semi-elliptical, and the connecting line of the five second grooves 17 is arc-shaped. Four first air duct grooves 18 are formed in the top surface of the cushion portion 11, and the first air duct grooves 18 are used for communicating the adjacent second grooves 17. Each second groove 17 is embedded with a coating air bag 19, the connecting line of the five coating air bags 19 is arc-shaped, the coating air bags 19 are used for coating and supporting the periphery of the buttocks and the outer sides of thighs of a human body, and the coating air bags 19 are connected with the cushion part 11 in a gluing mode. A first vent pipe 20 is fixedly connected between the adjacent coated air bags 19, the first vent pipe 20 is used for communicating the internal spaces of the five coated air bags 19, and the first vent pipe 20 is in scarf joint with the first vent pipe groove 18. When a user sits on the office chair, the cladding air bag 19 is supported at the periphery of the buttocks and the outer side of the thighs of the human body in a cladding mode, air in the cladding air bag 19 flows freely in the air bag along with the action of external force, the periphery of the buttocks and the inner side of the thighs of the human body can be guaranteed to feel comfortable automatic adjusting functions, work fatigue is effectively relieved, the cladding air bag 19 can also massage the periphery of the buttocks and the inner side of the thighs of the human body, blood circulation is promoted, the surrounding cladding air bag 19 can position the buttocks of the human body, and the left-right shaking amplitude of the human body is reduced. One of the coated airbags 19 is communicated with a first one-way air pipe 21, the first one-way air pipe 21 is a pipeline with a one-way air valve, air can only enter the coated airbag 19 through the first one-way air pipe 21, and the air in the coated airbag 19 cannot escape out of the coated airbag 19 through the first one-way air pipe 21. One of the coated air bags 19 is provided with a second air outlet 22, a second air plug 23 is installed at the second air outlet 22, the second air plug 23 is in threaded connection with the second air outlet 22, namely, the opening wall of the second air outlet 22 is provided with an internal thread, and the cylindrical second air plug 23 is provided with an external thread matched with the internal thread.

The leaning surface of the backrest 3 is paved with a backrest 24, the backrest 24 mainly comprises a leather shell positioned on the surface and filler such as foamed plastic or crushed cotton filled in the leather shell, and the backrest 24 and the backrest 3 are glued.

Six third grooves 25 are formed in the surface of the backrest 24, the third grooves 25 are hemispherical, and the six third grooves 25 are arranged in two rows. Five second air pipe grooves 26 are formed on the top surface of the backrest 24, and the second air pipe grooves 26 are used for communicating the adjacent third grooves 25. Each third groove 25 is embedded with a backrest airbag 27, and the six backrest airbags 27 are divided into two rows and arranged side by side. A second vent pipe 28 is fixedly connected between the adjacent backrest airbags 27, the second vent pipe 28 is used for communicating the inner spaces of the six backrest airbags 27, and the second vent pipe 28 is in scarf joint with the second pipe groove 26. When the user sits on this office chair, human back leans on back gasbag 27, gas in the back gasbag 27 is along with the effect of external force free flow in the gasbag, ensure that human back can experience comfortable automatically regulated function, alleviate working fatigue effectively, back gasbag 27 can also massage human back, promote blood circulation, and human back supports and leans on back gasbag 27, human back and back 24's area of contact has been reduced, good heat dissipation, human back is difficult for producing the stuffy sense of feeling. One of the backrest airbags 27 is communicated with a second one-way air pipe 29, air can only enter the backrest airbag 27 through the second one-way air pipe 29, and air in the backrest airbag 27 cannot escape out of the backrest airbag 27 through the second one-way air pipe 29. One of the backrest air bags 27 is provided with a third air outlet 30, a third air plug 31 is installed at the third air outlet 30, the third air plug 31 is in threaded connection with the third air outlet 30, namely, the opening wall of the third air outlet 30 is provided with an internal thread, and the cylindrical third air plug 31 is provided with an external thread matched with the internal thread.

Seted up mounting groove 32 on the lateral wall of seat support 2, rotate on the lateral wall of seat support 2 and be connected with apron 33, apron 33 rotates through the hinge and connects on seat support 2, and apron 33 is used for sealing mounting groove 32's notch. A first channel is formed at the bottom of one of the second grooves 17 and communicated with the mounting groove 32, and the first channel is used for allowing the first one-way air pipe 21 to penetrate into the mounting groove 32. A second channel is arranged on the chair seat 2 and is used for the second one-way air pipe 29 to penetrate into the mounting groove 32.

An inflation assembly 34 for inflating the covering air bag 19 and the backrest air bag 27 through the first one-way air pipe 21 and the second one-way air pipe 29 is arranged in the mounting groove 32, and the inflation assembly 34 comprises a storage battery 35, a micro inflator 36 and a three-way valve 37 which are arranged in the mounting groove 32. Battery 35 passes through screw fixed mounting in mounting groove 32, and battery 35 passes through the wire with miniature pump 36 and realizes the electricity and be connected, and battery 35 is used for providing the electric quantity for 36 work of miniature pump, and when battery 35 need charge, open apron 33, with battery 35's charging wire connect on the power can. The micro inflator pump 36 is fixedly installed in the installation groove 32 through a screw, the micro inflator pump 36 is also called an inflator and is used for filling air into other objects, a switch for controlling the micro inflator pump 36 to be started or closed is arranged on the micro inflator pump, and an air inlet for sucking air and an air outlet for exhausting air are arranged on the micro inflator pump 36. The three-way valve 37 is placed in the mounting groove 32, the three-way valve 37 is a valve body for changing the flow direction of a medium, and has three ports including an inlet port and a two-outlet port, an air inlet pipe 38 for communicating the inlet port of the three-way valve 37 with the air outlet port of the micro inflator pump 36 is arranged between the inlet port of the three-way valve 37 and the air outlet port of the micro inflator pump, two outlets of the three-way valve 37 are respectively connected with the first one-way air pipe 21 and the second one-way air pipe 29, and the first one-way air pipe 21 and the second one-way. When the inflatable seat is used, a user controls the inlet to be communicated with one of the outlets by rotating the valve core, so that the covered air bag 19 and the backrest air bag 27 can be respectively inflated by only arranging one group of the inflation assemblies 34, and the processing cost is favorably reduced.

Because different users have different hardness requirements on the coated air bag 19, the inflation quantity of the inner cavity of the coated air bag 19 needs to be adjusted, the user unscrews the second air plug 23, the gas in the coated air bag 19 is discharged from the second air outlet 22, then screws the second air plug 23, then opens the cover plate 33, then rotates the valve core of the three-way valve 37 until the inlet of the three-way valve 37 is communicated with the outlet leading to the coated air bag 19, then opens the switch, and the micro inflator pump 36 is started to inflate the coated air bag 19 until the coated air bag 19 reaches the proper hardness.

Because different users have different hardness requirements on the backrest airbag 27, the inflation amount of the inner cavity of the backrest airbag 27 needs to be adjusted, the user unscrews the third air plug 31, the gas in the backrest airbag 27 is discharged from the third air outlet 30, then screws the third air plug 31, opens the cover plate 33, then rotates the valve core of the three-way valve 37 until the inlet of the three-way valve 37 is communicated with the outlet leading to the backrest airbag 27, then opens the switch, and the micro inflator 36 is started to inflate the backrest airbag 27 until the backrest airbag 27 reaches the proper hardness.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides an adjustable back formula office chair with massage function, includes support chair foot (1), sets up in seat support (2) at support chair foot (1) top, sets up in back (3) of seat support (2) rear side, its characterized in that: two connecting frames (4) are symmetrically arranged on the side wall of the chair seat (2) facing the backrest (3), rotating holes (5) are respectively arranged on the side walls of the two connecting frames (4), a plurality of through holes (6) which are circumferentially distributed on the outer side of the rotating hole (5) are arranged on the side wall of one connecting frame (4), the bottom of the backrest (3) is provided with a rotating frame (8) extending between the two connecting frames (4), the side walls of the rotating frames (8) facing the two connecting frames (4) are respectively provided with a rotating shaft (9) which is inserted into the rotating hole (5) and is in rotating fit with the rotating hole, the side wall of the rotating frame (8) facing the connecting frame (4) is provided with jacks (10) which are respectively aligned with the through holes (6), and a positioning bolt (7) inserted into the jack (10) to limit the rotating frame (8) to rotate continuously is arranged in the through hole (6) in a penetrating manner.

2. The adjustable backrest type office chair with massage function as claimed in claim 1, wherein: the seat is characterized in that a seat part (11) is arranged on the top surface of the seat (2), two first grooves (12) are symmetrically formed in the top surface of the seat part (11), supporting airbags (13) used for supporting two hip flaps of a human body are embedded in each first groove (12), a one-way inflation inlet (14) and a first air outlet (15) are formed in each supporting airbag (13), and a first air plug (16) is arranged at the position of each first air outlet (15).

3. The adjustable backrest type office chair with massage function as claimed in claim 2, wherein: the seat cushion is characterized in that the top surface of the seat cushion part (11) is provided with a plurality of second grooves (17) and first air pipe grooves (18) used for communicating the adjacent second grooves (17), each second groove (17) is internally embedded with a coating air bag (19), a first air pipe (20) is arranged between the adjacent coating air bags (19), and the first air pipe (20) is matched with the first air pipe grooves (18) in an embedded mode.

4. The adjustable back-rest type office chair with massage function as claimed in claim 3, wherein: be provided with back portion (24) on the surface of back (3), set up a plurality of third recesses (25) on the top surface of back portion (24), be used for second trachea groove (26) with adjacent third recess (25) intercommunication, every all inlay in third recess (25) and be equipped with back gasbag (27), be provided with second breather pipe (28) between adjacent back gasbag (27), second breather pipe (28) and second trachea groove (26) scarf joint cooperation.

5. The adjustable backrest type office chair with massage function as claimed in claim 4, wherein: one of the coating air bags (19) is provided with a second air outlet (22), a second air plug (23) is arranged at the second air outlet (22), one of the coating air bags (19) is communicated with a first one-way air pipe (21), one of the backrest air bags (27) is provided with a third air outlet (30), a third air plug (31) is arranged at the third air outlet (30), one of the backrest air bags (27) is communicated with a second one-way air pipe (29), and the seat (2) is provided with an inflating assembly (34) which inflates the plurality of coating air bags (19) and the plurality of backrest air bags (27) through the first one-way air pipe (21) and the second one-way air pipe (29).

6. The adjustable back-rest type office chair with massage function as claimed in claim 5, wherein: mounting groove (32) have been seted up on the lateral wall of seat support (2), aerify subassembly (34) including set up battery (35) in mounting groove (32), set up in mounting groove (32) and miniature pump (36) of being connected with battery (35) electricity, set up three-way valve (37) in mounting groove (32), be provided with intake pipe (38) between the import of three-way valve (37) and the export of miniature pump, two exports of three-way valve (37) link to each other with one-way trachea (21) of first one-way trachea (21) and one-way trachea (29) of second respectively.

7. The adjustable backrest type office chair with massage function as claimed in claim 6, wherein: the bottom of the second groove (17) is provided with a first channel which is communicated with the mounting groove (32) and is used for the first one-way air pipe (21) to penetrate into the mounting groove (32), and the seat (2) is provided with a second channel which is used for the second one-way air pipe (29) to penetrate into the mounting groove (32).

8. The adjustable backrest type office chair with massage function as claimed in claim 6, wherein: the side wall of the chair seat (2) is rotatably connected with a cover plate (33) used for sealing the notch of the mounting groove (32).