CN114631695B

CN114631695B - Desk chair is corrected to adjustable position of sitting

Info

Publication number: CN114631695B
Application number: CN202210417358.9A
Authority: CN
Inventors: 刘伟强
Original assignee: Huaao Shengshi Furniture Co ltd
Current assignee: Huaao Shengshi Furniture Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2023-03-31
Anticipated expiration: 2042-04-20
Also published as: CN114631695A

Abstract

The invention discloses an adjustable sitting posture correction desk and chair, which belongs to the technical field of sitting posture correction desk and chair design and comprises a lifting table, wherein the lifting table is used for placing books and can adjust the height, a plurality of groups of sliding desk legs are arranged on the lifting table, a lifting assembly used for automatically adjusting the height of the lifting table is arranged on the side edge of the lifting table, the lifting assembly drives a plurality of groups of connecting rods through a rack to realize adjustment, a popup assembly used for popping out a seat is further arranged on the lifting table, a limiting plate is arranged on the popup assembly, the position of the seat is fixedly adjusted through a sliding block of the limiting plate, a correction chair used for correcting the sitting posture of a user is arranged on the popup assembly, the correction chair is connected with the lifting table through the popup assembly, and the correction chair is synchronously adjusted when the lifting table is adjusted.

Description

Desk chair is corrected to adjustable position of sitting

Technical Field

The invention relates to the technical field of sitting posture correction desks and chairs, in particular to an adjustable sitting posture correction desk and chair.

Background

The student sits in a classroom for most of the time in the learning process, and the sitting posture of the student can be corrected by using the integrated sitting posture correction desk and chair, so that the student can form a good learning habit, the physical health of the student is facilitated, and the cervical vertebra problem of the student is avoided; when a student bends down, the student cannot immediately realize the behavior of bending down, so that the student cannot recover the correct sitting posture as soon as possible.

However, the heights and ages of students at the present stage are different, the integrated sitting posture correction desk and chair at the present stage are difficult to be applied to the whole student group, for example, the legs of the students with too high height cannot be placed under a lower seat, so that the sitting posture is not correct, and the students with relatively low height cannot learn on the too high seat, so that the collective adaptability of the seat to the student group is difficult to be ensured, and an adjustable sitting posture correction desk and chair is needed.

Disclosure of Invention

In view of the problems in the prior art, the invention provides an adjustable sitting posture correcting desk and chair.

The invention relates to an adjustable sitting posture correction desk and chair, which comprises a lifting table and a lifting assembly, and is characterized in that: the lifting table comprises a table top, a plurality of groups of table legs are arranged at the lower end of the table top, sliding table legs are arranged on the table legs in a sliding mode, a synchronous support is arranged on each table leg, each lifting assembly comprises a supporting plate arranged on the corresponding sliding table leg, a driving assembly is arranged on the corresponding supporting plate, a lifting rack is arranged on the corresponding supporting plate in a sliding mode, the driving assemblies drive the lifting racks to slide, a connecting rod group is arranged on the corresponding supporting plate, the connecting rod group is driven to adjust the height of the lifting table when the lifting racks slide, an ejecting assembly is arranged at the lower end of the lifting table and comprises a lifting rod arranged on the synchronous support in a sliding mode, sliding columns are arranged at the lower ends of the sliding table legs, and positioning assemblies are arranged on the sliding columns, the slip post on slide and be provided with the sliding block, the sliding block rotate and be provided with the shrink pole, lifter one end and synchronous leg joint, the lifter other end be provided with correction chair, correction chair include the bedplate, the bedplate lower extreme be provided with multiunit seat leg, the inside slip of seat leg be provided with slip seat leg, the slip seat leg one end of keeping away from the bedplate rotate and be provided with the removal wheel, slip seat leg be connected with the shrink pole, seat leg be connected with the lifter, the bedplate on rotate and be provided with the back of the chair, the back of the chair on be provided with the auxiliary belt, the lift table is realized adjusting simultaneously with correction chair, the difference height is unchangeable between the two, guarantees that the deviation can not appear in user's position of sitting.

Furthermore, the driving assembly comprises a lifting motor arranged at one end, close to the table top, of the supporting plate, a second gear is arranged on an output shaft of the lifting motor, a third gear is arranged on the supporting plate in a rotating mode and meshed with the second gear, two groups of gears which are meshed with each other are arranged on the supporting plate, one group of gears is coaxially arranged with the third gear, two groups of gears are coaxially arranged with the fourth gear, a first lifting rack is slidably arranged on one surface, provided with the lifting motor, of the supporting plate, the first gear is meshed with the lifting rack, and the lifting table and the correcting chair are adjusted simultaneously through the connecting rod group.

Furthermore, the connecting rod group comprises a first connecting rod which is rotatably installed on the sliding table legs and a third connecting rod which is rotatably installed on the table legs, the first connecting rod is connected with the third connecting rod, a second connecting rod is arranged at a connecting point of the first connecting rod and the third connecting rod, one end of the second connecting rod is connected with a connecting point of the first connecting rod and the third connecting rod, and the other end of the second connecting rod is rotatably installed on the lifting rack.

Furthermore, the connecting rod groups are provided with two groups which are respectively arranged on two sides of the lifting rack in the same arrangement mode, so that the height of the lifting table can be adjusted more stably.

Further, the position adjusting component including installing two sets of supporting shoes on the slip table leg, the supporting shoe slip be provided with the limiting plate, the limiting plate lower extreme be provided with the fixed column, the slip table leg on be provided with the sliding tray, the sliding tray in china dong be provided with the pull rod, the pull rod lower extreme rotate and be provided with connecting rod four, four one ends of connecting rod are connected with the pull rod, four other ends of connecting rod be provided with connecting rod five, five one end of connecting rod rotate with connecting rod four to be connected, five other ends of connecting rod rotate and install on the slip table leg, connecting rod five with the fixed column laminating, the sliding block be close to one side of connecting rod five and be provided with the buckle, buckle and limiting plate intermittent type laminating, correct the distance between chair and the lift table according to the different adjustments of user's height.

Furthermore, a spring is arranged between the limiting plate and the supporting block, and a spring is arranged between the sliding block and the sliding column.

Furthermore, the limiting plate lower extreme be provided with the multiunit stopper, the fixed column sets up on a set of stopper of limiting plate middle-end.

Furthermore, the correcting chair further comprises a sliding support arranged at the lower end of the seat plate, a correcting spring is arranged at the rear end of the sliding support, one end of the correcting spring is connected with the sliding support, the other end of the correcting spring is connected with the chair back, and the user can be reminded and adjusted if sitting posture problems occur.

Compared with the prior art, the invention has the beneficial effects that: (1) The lifting table and the correcting chair can be adjusted in height at the same time, the height difference between the lifting table and the correcting chair is constant, and a user can be ensured to have a good sitting posture when in use: (2) The lifting assembly can adjust the heights of the lifting table and the correcting chair, the stability of the lifting process is improved, and accidents caused by excessive weight on the lifting table and the correcting chair are avoided; (3) The distance between the correcting chair and the lifting table can be adjusted through the arranged pop-up assembly, so that the lifting chair is suitable for users with different heights.

Drawings

FIG. 1 is a schematic view of the overall apparatus of the present invention.

Fig. 2 is a schematic view of the lifting table structure of the present invention.

Fig. 3 is a schematic structural view of the lifting assembly of the present invention.

FIG. 4 is a schematic view of a portion of the lifting assembly of the present invention.

Fig. 5 is a schematic structural diagram of the pop-up assembly of the present invention.

FIG. 6 is a partial schematic view of a pop-up assembly according to the present invention.

FIG. 7 is a partial structural diagram of a pop-up assembly according to a second embodiment of the present invention.

Fig. 8 is a schematic structural view of the correction chair of the invention.

Fig. 9 is a partial structure diagram of the correction chair of the invention.

Reference numerals are as follows: 1-lifting table; 2-a lifting assembly; 3-a pop-up assembly; 4-a correction chair; 101-a desktop; 102-a table leg; 103-sliding table legs; 104-a synchronization support; 201-connecting rod one; 202-link two; 203-link III; 204-gear one; 205-lifting rack; 206-a lifting motor; 207-gear two; 208-gear three; 209-gear four; 210-a support plate; 301-a sliding groove; 302-a lifting rod; 303-a shrink rod; 304-a pull rod; 305-link four; 306-a support block; 307-a limiting plate; 308-link five; 310-a sliding column; 311-a limit column; 312-a slider; 313-buckling; 314-fixed columns; 401-a seat pan; 402-a seat leg; 403-sliding seat legs; 404-a moving wheel; 405-chair back; 406-a correction spring; 407-an auxiliary band; 408-sliding support.

Detailed Description

A specific embodiment of the device according to the invention is described further below with reference to the figures and exemplary embodiments.

Example (b): refer to a desk chair is corrected to adjustable position of sitting that figure 1 shows, including being used for placing books and height-adjustable's lift table 1, lift table 1 side is provided with the lifting unit 2 that is used for automatically regulated lift table height, still is provided with on the lift table 1 to pop out the subassembly 3 that pops out of seat, pops out to be provided with on the subassembly 3 and corrects the correction chair 4 of user's position of sitting.

Referring to fig. 1 and 2, the lifting table 1 includes a table top 101, four sets of legs 102 are provided at a lower end of the table top 101, sliding legs 103 are slidably provided in the legs 102, a set of synchronizing brackets 104 is provided between two adjacent sets of sliding legs 103, and lower ends of the sliding legs 103 contact with the ground.

Referring to fig. 1, 3 and 4, the lifting assembly 2 includes a support plate 210 installed between two sets of sliding legs 103, a lifting motor 206 is installed at one end of the support plate 210 close to the tabletop 101, a second gear 207 is installed on an output shaft of the lifting motor 206, a third gear 208 is rotatably installed on the support plate 210, the third gear 208 is engaged with the second gear 207, two sets of gears 209 engaged with each other are further rotatably installed on the support plate 210, one set of gears 209 is coaxially installed with the third gear 208, two sets of gears 209 are coaxially installed with a first gear 204, a lifting rack 205 is slidably installed on the support plate 210, the lifting rack 205 is installed on one side of the support plate 210 where the lifting motor 206 is installed, the first gear 204 is engaged with the lifting rack 205, two sets of connecting rods are installed on the support plate 210, the connecting rods include a first connecting rod 201 rotatably installed on the sliding legs 103, a third connecting rod 203 rotatably installed on the legs 102, one end of a first connecting rod 201 is connected with the sliding table leg 103, one end of a third connecting rod 203 is rotatably connected with the table leg 102, the first connecting rod 201 is connected with the other end of the third connecting rod 203, a second connecting rod 202 is rotatably arranged at the connecting point of the first connecting rod 201 and the third connecting rod 203, one end of the second connecting rod 202 is connected with the connecting point of the first connecting rod 201 and the third connecting rod 203, the other end of the second connecting rod 202 is connected with a lifting rack 205, a lifting motor 206 is driven, the lifting motor 206 drives a second gear 207 to rotate, the second gear 207 drives a third gear 208 to rotate, the third gear 208 drives a set of fourth gears 209 coaxially arranged with the third gear 208 to rotate, two sets of fourth gears 209 simultaneously rotate, the fourth gears 209 drive a first gear 204 to rotate, the first gear 204 drives a lifting rack 205 to slide on a supporting plate 210, when the lifting rack 205 slides, the lifting rack 205 drives the second connecting rod 202 to move, the second connecting rod 202 drives the first connecting rod 201 and the third connecting rod 203 to move, the third connecting rod 203 drives the table legs 102 to slide on the sliding table legs 103, so that the height of the lifting table 1 can be adjusted.

Referring to fig. 1, 5, 6 and 7, the pop-up assembly 3 includes two sets of support blocks 306 mounted on the sliding table leg 103, a limit plate 307 is slidably disposed between the two sets of support blocks 306, five sets of limit blocks are disposed at the lower end of the limit plate 307, a fixing post 314 is disposed on one set of limit block at the middle end, a sliding groove 301 is further disposed on the sliding table leg 103, a pull rod 304 is slidably disposed in the sliding groove 301, a four connecting rod 305 is rotatably disposed at the lower end of the pull rod 304, one end of the four connecting rod 305 is rotatably connected with the pull rod 304, the other end of the four connecting rod 305 is rotatably disposed with a five connecting rod 308, one end of the five connecting rod 308 is connected with the four connecting rod 305, the other end of the five connecting rod 308 is disposed on one set of sliding table leg 103 far from the sliding groove 301, the five connecting rod 308 is intermittently attached to the fixing post 314, two sets of sliding posts 310 are further disposed on the sliding table leg 103, a limit post 311 is disposed between the two sets of sliding posts 310, a sliding block 312 is slidably disposed on the sliding post 310, a buckle 313 is arranged on one side of the sliding block 312 close to the connecting rod five 308, the buckle 313 is intermittently attached to a limit block below the limit plate 307, a contraction rod 303 is rotatably arranged on one side of the sliding block 312 away from the connecting rod five 308, a lifting rod 302 is slidably arranged on the synchronous bracket 104, the pull rod 304 is pulled to enable the pull rod 304 to drive the connecting rod four 305 to move upwards, the connecting rod four 305 drives the connecting rod five 308 to move upwards, the connecting rod five 308 drives the limit plate 307 to slide on the supporting block 306 through the fixed column 314, when the limit plate 307 slides upwards, the limit block below the limit plate 307 releases the fixation of the buckle 313 and the sliding block 312, the sliding block 312 can slide on the sliding column 310, the contraction rod 303 is driven to slide when the sliding block 312 slides and is adjusted to a proper position, the pull rod 304 is put down, the connecting rod four 305 and the connecting rod five 308 are driven to move downwards by the pull rod 304, and the limit block 307 is driven to move downwards by the deformation restoring force of the spring on the supporting block 306, the position of the stop block on the stop plate 307 is adjusted by fixing the buckle 313 and the slide block 312 again.

Referring to fig. 8 and 9, the correction chair 4 includes a seat plate 401, four sets of seat legs 402 are disposed at a lower end of the seat plate 401, sliding seat legs 403 are slidably disposed in the seat legs 402, moving wheels 404 are disposed at an end of the sliding seat legs 403 away from the seat plate 401, the seat legs 402 are connected to a lifting rod 302, the sliding seat legs 403 are connected to a sliding block 312, a chair back 405 is rotatably disposed on the seat plate 401, a sliding bracket 408 is disposed at a lower end of the seat plate 401, a correction spring 406 is disposed on the sliding bracket 408, one end of the correction spring 406 is connected to the sliding bracket 408, the other end of the correction spring 406 is connected to the chair back 405, an auxiliary belt 407 is disposed on the chair back 405, the user places the auxiliary belt 407 in front of the user, the chair back 405 is shaken when sitting posture is standard, and the chair back 405 cannot be shaken greatly by the arrangement of the sliding bracket 408, so that the shaking range of the chair back 405 cannot be reduced, and the sitting posture standard can be ensured.

The working principle is as follows: when the desk works, a user puts the auxiliary belt 407 in front of the body, the chair back 405 is shaken when sitting posture is standard, the shaking amplitude of the chair back 405 is reduced through the arrangement of the sliding support 408, so that the user cannot shake the chair back 405 greatly, the sitting posture standard is ensured, when the height of the desk is adjusted, the motor of the lifting motor 206 is driven, the lifting motor 206 drives the gear two 207 to rotate, the gear two 207 drives the gear three 208 to rotate, the gear three 208 drives the gear four 209 which is coaxially arranged with the gear three 208 to rotate, the two groups of gears four 209 rotate simultaneously, the gear four 209 drives the gear one 204 to rotate, the gear one 204 drives the lifting rack 205 to slide on the support plate 210, when the lifting rack 205 slides, the lifting rack 205 drives the connecting rod two 202 to move, the connecting rod two 202 drives the connecting rod one 201 and the connecting rod three 203 to move, the connecting rod three 203 drives the desk legs 102 to slide on the sliding desk legs 103, and when the desk legs 102 move up and down, the synchronous support 104 is driven by the desk legs 102, the synchronous bracket 104 drives the lifting rod 302 to move up and down, the lifting rod 302 drives the seat leg 402 to slide on the sliding seat leg 403, the effect of adjusting the table and the chair simultaneously is realized, when the distance between the correction chair and the lifting table needs to be adjusted, the pull rod 304 is pulled, the pull rod 304 drives the link four 305 to move up, the link four 305 drives the link five 308 to move up, the link five 308 drives the limit plate 307 to slide on the support block 306 through the fixed column 314, when the limit plate 307 slides up, the limit block below the limit plate 307 releases the fixation of the buckle 313 and the sliding block 312, the sliding block 312 can slide on the sliding column 310, the sliding block 312 drives the contraction rod 303 to slide when sliding, the proper position is adjusted, the pull rod 304 is put down, the pull rod 304 drives the link four 305 and the link five 308 to move down, the fixed column 314 drives the limit plate 307 to move down through the deformation restoring force of the spring on the support block 306, the position of the stop block on the stop plate 307 is adjusted by fixing the buckle 313 and the slide block 312 again.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.

Claims

1. The utility model provides a desk chair is corrected to adjustable position of sitting, includes lift table (1) and lifting unit (2), its characterized in that: the lifting table (1) comprises a table top (101), a plurality of groups of table legs (102) are arranged at the lower end of the table top (101), sliding table legs (103) are arranged on the table legs (102) in a sliding mode, a synchronous support (104) is arranged on each table leg (102), a lifting assembly (2) comprises a supporting plate (210) installed on each sliding table leg (103), a driving assembly is arranged on each supporting plate (210), a lifting rack (205) is arranged on each supporting plate (210) in a sliding mode, each driving assembly drives each lifting rack (205) to slide, a connecting rod set is arranged on each supporting plate (210), each lifting rack (205) drives each connecting rod set to adjust the height of the lifting table (1) when sliding, a pop-up assembly (3) is arranged at the lower end of the lifting table (1), each pop-up assembly (3) comprises a lifting rod (302) installed on each synchronous support (104) in a sliding mode, a sliding column (310) is arranged at the lower end of each sliding table (103), a position adjusting assembly is arranged on each sliding column (310), a sliding rod (312) is arranged on each sliding column (310), a rotating lifting rod (312), a sliding support (302) is arranged at the other end of each sliding block (302) and a lifting chair (302) connected with a lifting chair (104), and a lifting chair (302) is arranged at one end of each sliding block (302) of each lifting chair (302), the correcting chair (4) comprises a seat plate (401), a plurality of groups of seat legs (402) are arranged at the lower end of the seat plate (401), sliding seat legs (403) are arranged in the seat legs (402) in a sliding mode, one ends, far away from the seat plate (401), of the sliding seat legs (403) are rotatably provided with moving wheels (404), the sliding seat legs (403) are connected with a contraction rod (303), the seat legs (402) are connected with a lifting rod (302), a chair back (405) is rotatably arranged on the seat plate (401), and an auxiliary belt (407) is arranged on the chair back (405);

the driving assembly comprises a lifting motor (206) which is arranged at one end, close to the desktop (101), of a supporting plate (210), a second gear (207) is arranged on an output shaft of the lifting motor (206), a third gear (208) is arranged on the supporting plate (210) in a rotating mode, the third gear (208) is meshed with the second gear (207), two groups of gears (209) which are meshed with each other are arranged on the supporting plate (210), one group of the gears (209) is coaxially arranged with the third gear (208), a first gear (204) is coaxially arranged on the two groups of gears (209), a lifting rack (205) is slidably arranged on one surface, provided with the lifting motor (206), of the supporting plate (210), and the first gear (204) is meshed with the lifting rack (205);

the connecting rod group comprises a first connecting rod (201) rotatably mounted on the sliding table leg (103), and a third connecting rod (203) rotatably mounted on the table leg (102), wherein the first connecting rod (201) is connected with the third connecting rod (203), a second connecting rod (202) is arranged at a connecting point of the first connecting rod (201) and the third connecting rod (203), one end of the second connecting rod (202) is connected with the connecting point of the first connecting rod (201) and the third connecting rod (203), and the other end of the second connecting rod (202) is rotatably mounted on the lifting rack (205);

two groups of connecting rod sets are arranged and are respectively arranged at two sides of the lifting rack (205) in the same arrangement mode;

the positioning component comprises two groups of supporting blocks (306) arranged on a sliding table leg (103), a limiting plate (307) is arranged on each supporting block (306) in a sliding mode, a fixing column (314) is arranged at the lower end of each limiting plate (307), a sliding groove (301) is formed in each sliding table leg (103), a pull rod (304) is arranged in the sliding groove (301) in a east China mode, a fourth connecting rod (305) is arranged at the lower end of each pull rod (304) in a rotating mode, one end of the fourth connecting rod (305) is connected with the pull rod (304), a fifth connecting rod (308) is arranged at the other end of the fourth connecting rod (305), one end of the fifth connecting rod (308) is connected with the fourth connecting rod (305) in a rotating mode, the other end of the fifth connecting rod (308) is arranged on the sliding table leg (103) in a rotating mode, the fifth connecting rod (308) is attached to the fixing column (314), a buckle (313) is arranged on one side, close to the sliding block (312) to the fifth connecting rod (308), and the buckle (313) is attached to the limiting plate (307) intermittently;

a spring is arranged between the limiting plate (307) and the supporting block (306), and a spring is arranged between the sliding block (312) and the sliding column (310);

the lower end of the limiting plate (307) is provided with a plurality of groups of limiting blocks, and the fixing column (314) is arranged on one group of limiting blocks at the middle end of the limiting plate (307).

2. The adjustable sitting posture correcting desk and chair of claim 1, wherein: the correcting chair (4) further comprises a sliding support (408) installed at the lower end of the seat plate (401), a correcting spring (406) is arranged at the rear end of the sliding support (408), one end of the correcting spring (406) is connected with the sliding support (408), and the other end of the correcting spring (406) is connected with the chair back (405).