CN114209170A

CN114209170A - Intelligent seat for office work and massage

Info

Publication number: CN114209170A
Application number: CN202111507202.1A
Authority: CN
Inventors: 王克华
Original assignee: Individual
Current assignee: Guangdong Guojing Furniture Group Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-03-22

Abstract

The invention belongs to the field of intelligent seat equipment, and relates to an intelligent seat for both office work and massage, which comprises a base and is characterized in that an upright post is fixedly arranged on the upper side wall of the base, a lifting device is fixedly arranged on the upright post, a cushion is fixedly arranged on the lifting device, a spring is connected between the lifting device and the cushion, handrails are fixedly arranged at the left end and the right end of the cushion, a rotating cavity is fixedly arranged at the rear side of the cushion, a rotating device is arranged in the rotating cavity and used for rotatably adjusting the angle of a seat, six braking cavities are rotatably arranged on the lower side wall of the base, and a braking device is arranged in each braking cavity and used for limiting the movement of the seat. Aiming at the people who sit for a long time in the office, the invention designs the intelligent seat for office work, rest and massage. The chair can be used for working in a healthy posture and massaging the waist and the back of a person when the person needs to have a rest.

Description

Intelligent seat for office work and massage

Technical Field

The invention belongs to the field of intelligent seat equipment, and particularly relates to an intelligent seat for office work and massage.

Background

As is well known, a chair is one of the most common furniture, and is needed to be used in daily life and office work, but for the working population who sits for a long time, the sitting for a long time usually causes lumbar muscle strain, humpback, forward pelvis and other adverse physiological symptoms, and the symptoms are mostly caused by sitting for a long time and sitting badness.

Aiming at the class of people sitting in offices for a long time, the invention designs the intelligent seat with dual purposes of office work, rest and massage.

When needs use it to carry out official working, through the angle of control panel adjustment seat back to two lean on the piece and can follow the back roll-off, carry out the effect of leaning on one back to the human body, and can finely tune through control, reach the service condition who agrees with masses, each is healthy for better protection.

When needs have a rest, can brake, prevent that the seat from sliding the aversion, and then the angle of adjustment back, adjust to suitable angle after, the people can lie above, start the massager and massage and relax to human back muscle, prevent that sedentary seat from resulting in problems such as muscle strain.

The self-locking device is additionally arranged on the braking device, after the seat is braked, the seat is stressed unevenly because a person becomes a lying posture from a sitting posture, the braking device is possibly disabled due to stress change, the self-locking device is additionally arranged on the braking device, the braking device is prevented from being stressed and untied, a better braking effect is achieved, and the phenomenon that the person slides down from the seat is prevented.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an intelligent seat for both office work and massage.

The purpose of the invention can be realized by the following technical scheme: an intelligent chair for office and massage comprises a base and is characterized in that a stand column is fixedly arranged on the upper side wall of the base, a lifting device is fixedly arranged on the stand column, a cushion is fixedly arranged on the lifting device, a spring is connected between the lifting device and the cushion, handrails are fixedly arranged at the left end and the right end of the cushion, a rotating cavity is fixedly arranged at the rear side of the cushion, a rotating device is arranged in the rotating cavity and used for rotatably adjusting the angle of the chair, six braking cavities are rotatably arranged on the lower side wall of the base, a braking device is arranged in each braking cavity and used for limiting the movement of the chair, each braking device comprises a wheel shaft which is rotatably arranged in the corresponding braking cavity, a moving wheel is fixedly arranged on the wheel shaft, a sliding block is slidably arranged in each braking cavity, a braking clamp is fixedly arranged on the sliding block, and a braking block is fixedly arranged on the braking clamp, the self-locking brake device comprises a brake cavity, a slide block, a self-locking device and a self-locking device, wherein a pedal is arranged on the outer side wall of one brake cavity in a sliding mode and connected with the slide block, the lower portion of the pedal is fixedly provided with the self-locking cavity, and the self-locking device is arranged in the self-locking cavity and used for self-locking displacement of parts of the brake device.

Further, rotating device is including rotating the headrest of back upper end, it is equipped with the motor to rotate the fixed chamber right side, the output of motor is equipped with the output shaft, be equipped with the gear on the output shaft interlude, the fixed connecting sleeve that is equipped with in the output shaft outside, connecting sleeve with the back is connected, connecting sleeve rotates and is driving the back rotates, the inside auxiliary device that is equipped with of back, auxiliary device are used for back department top and back massage.

Further, the auxiliary device comprises two massagers fixed in the backrest, two leaning blocks are arranged on the backrest in a sliding mode, a sliding connecting rod is connected between the two leaning blocks, the lower end of the sliding connecting rod is fixedly provided with a rack, the sliding connecting rod extends into the connecting sleeve, the middle gear section of the output shaft and the connecting sleeve are a hollow part, the rack can be meshed with the middle gear section of the output shaft, when the sliding connecting rod drives the leaning block to retract into the backrest, the massager can be started to massage and relax the back of the human body, when the leaning block slides out of the back of the backrest, the chair can be used as an engineering office chair, the leaning blocks are used for leaning on the waist and the back of a human body, a fine adjustment device is arranged in each leaning block, and the fine adjustment device is used for adjusting the leaning angle of the waist and the back of the human body to the back cushion.

Further, the fine adjustment device comprises a fine adjustment rod sliding inside the leaning block, the spring is connected between the fine adjustment rod and the leaning block, the other end of the fine adjustment rod is connected with the sliding connecting rod, the fine adjustment rod is provided with a ratchet, the outer side of the fine adjustment rod is fixedly provided with an electric control block, the electric control block is internally provided with an electric control pawl, the handrail is fixedly provided with a control panel which can control the electric control pawl, when the electric control block does not limit the sliding of the fine adjustment rod, the human body leans against the leaning block and is finely adjusted to a proper leaning angle, the electric control block is operated through the control panel again, the electric control block limits the fine adjustment rod to slide, simultaneously the control panel can carry out motor control can pass through the control panel control the back with the angle between the cushion.

Furthermore, arresting gear is including fixing connecting rod on the slider, the inside slip of base is equipped with the transmission connecting rod, the fixed six rolling discs that are equipped with on the transmission connecting rod, the connecting rod can the inside rotation of rolling disc.

Further, self-locking device is including fixing the lug pole of footboard lower extreme, lug pole lower part is equipped with the lug, the footboard with be connected with between the auto-lock chamber the spring, the fixed sliding guide piece that is equipped with on the auto-lock chamber, the lug pole slides in the sliding guide piece, fixed auto-lock base that is equipped with on the lateral wall on the auto-lock chamber, it is equipped with the auto-lock piece to slide on the auto-lock base, the auto-lock base with be connected with between the auto-lock piece the spring, the fixed two stoppers that are equipped with on the auto-lock piece, the lug of lug pole lower part is two between the stopper, be equipped with one-way spout on the auto-lock piece, be equipped with auto-lock rotation slide bar under the auto-lock chamber on the lateral wall, the auto-lock rotation slide bar can the inside one-way slip of one-way spout.

When the device is used, the device can be divided into two working states, namely office use and rest massage. Elevating gear can adjust the cushion height from top to bottom, the spring is used for buffering from top to bottom, lean on the piece roll-off during official working, can form the state that the top leaned on to human waist back department, also can adjust according to human waist back natural curve, can spacing human waist back, can not produce the physiology disease that the pelvis leaned forward and stooped back because people sit official working for a long time, also can start arresting gear, with seat wheel stall, rotate the back backward, reach certain angle after, lean on the piece can be along with inside the rotation slip advances the back, the people can lie on the seat, it relaxs to start the massager and carry out human back massage, reach and slow down the problem that people sit official working for a long time and lead to the back stiff, psoas strain scheduling problem.

When the device is used for office work, the motor is controlled to rotate through the control panel, the motor drives the output shaft to rotate, a gear section in the middle of the output shaft is meshed with the rack to drive the rack to slide, the whole sliding connecting rod can slide forwards, the sliding connecting rod drives the leaning block to slide outwards, the backrest is driven to rotate through the connecting sleeve, when the backrest and the cushion form a certain angle suitable for office work, the control panel automatically judges to control the motor to stop, further fine adjustment processing on the leaning block is carried out, a human body leans against the upper surface, the electric control block is controlled through the control panel, the pawl in the electric control block stops limiting the fine adjustment rod, the leaning block is pressed inwards by means of the gravity pressure of the human body, when the proper angle is reached, the electric control panel controls the electric control block, the electric control block restricts the fine adjustment rod to slide again, the leaning block is fixed in position, and a certain leaning effect on the human body can be achieved, the unhealthy posture of the person who works for a long time can be corrected, the waist and back curve of the person is well adjusted, and the injury to the body of the person who sits for a long time is avoided.

When the device is used for rest massage, the movable wheels stop rotating, so that the movable wheels are prevented from moving in the massage process, and people on the seat slide off from the seat. The pedal is trampled and slides downwards to drive the sliding block to slide in the self-locking cavity, the sliding block drives the brake clamp and the brake block to slide downwards, the brake clamp wraps the wheel shaft, the brake block clamps the outer side of the wheel shaft to ensure that the wheel shaft cannot rotate any more, meanwhile, the sliding block drives the transmission connecting rod to slide downwards through the connecting rod, the transmission connecting rod drives other five connecting rods to slide downwards, six wheels are guaranteed to be braked simultaneously, and the situation that the six moving wheels are not completely braked to cause shaking is avoided. Simultaneously, the pedal slides downwards, the lug rod is driven to slide in the sliding guide block, when the lug rod slides downwards, the limiting block below the limiting block is extruded, the whole self-locking block is extruded downwards, the self-locking block slides on the self-locking base, the self-locking rotating sliding rod slides in the one-way sliding groove, the middle part of the uppermost part in the one-way sliding groove is clamped, the self-locking effect is achieved, and the situation that a person falls down from the seat due to incomplete braking effect is prevented.

When the brake needs to be stopped, the pedal is stepped again, the pedal drives the bump rod to move downwards, the self-locking block is driven to slide downwards again, the self-locking rotating sliding rod can continue to slide in the one-way sliding groove, the self-locking rotating sliding rod can slide out from the upper portion of the one-way sliding groove, and the self-locking state is released.

When removing the wheel and being braked the back, operate through the control panel, the control motor rotates, rotate the back to the rear side, form a skew angle that is fit for the massage and relaxes with back and cushion, when the motor rotates, the gear section on the output shaft is driving the rack, the slip connecting rod, the piece that leans on slides to the rear side, the piece that leans on is withdrawed, the people leans on can directly contact with the massager on leaning on, start the massager, can carry out the massage of human waist back and relax, can alleviate work fatigue, it is stiff to reach the muscle of releiving, avoid the effect of muscle strain.

Drawings

Fig. 1 is a schematic structural diagram of an appearance of an intelligent chair for both office and massage.

Fig. 2 is a side view of a smart chair for both office and massage purposes.

Fig. 3 is a sectional view taken along a-a in fig. 2.

Fig. 4 is a sectional view taken along line B-B in fig. 3.

Fig. 5 is an enlarged view of the structure at C in fig. 3.

Fig. 6 is an enlarged view of the structure at D in fig. 5.

In the figure, 10, the base; 11. a column; 12. a lifting device; 13. an electric control block; 14. a cushion; 15. a backrest; 16. A headrest; 17. a rotation chamber; 18. a pedal; 19. a brake chamber; 20. a moving wheel; 21. a wheel axle; 22. a slider; 23. a connecting rod; 24. rotating the disc; 25. a transmission connecting rod; 26. a brake pad; 27. a brake clip; 28. a handrail; 29. a self-locking cavity; 30. a sliding guide block; 31. a bump bar; 32. a self-locking rotary slide bar; 33. a one-way chute; 34. a self-locking block; 35. a limiting block; 36. a self-locking base; 37. a control panel; 38. a rest block; 39. An output shaft; 40. a motor; 41. a massager; 42. a sliding connecting rod; 43. a rack; 44. a connecting sleeve; 45. A fine adjustment rod; .

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, the office and massage dual-purpose intelligent seat comprises a base 10, and is characterized in that an upright post 11 is fixedly arranged on the upper side wall of the base 10, a lifting device 12 is fixedly arranged on the upright post 11, a seat cushion 14 is fixedly arranged on the lifting device 12, a spring is connected between the lifting device 12 and the seat cushion 14, handrails 28 are fixedly arranged at the left end and the right end of the seat cushion 14, a rotating cavity 17 is fixedly arranged at the rear side of the seat cushion 14, a rotating device is arranged in the rotating cavity 17 and used for rotatably adjusting the angle of the seat, six braking cavities 19 are rotatably arranged on the lower side wall of the base 10, a braking device is arranged in each braking cavity 19 and used for limiting the movement of the seat, each braking device comprises a wheel shaft 21 which rotates in the braking cavity 19, a moving wheel 20 is fixedly arranged on the wheel shaft 21, a sliding block 22 is slidably arranged in the braking cavity 19, and a braking clamp 27 is fixedly arranged on the sliding block 22, brake blocks 26 are fixedly arranged on the brake clamp 27, a pedal 18 is arranged on the outer side wall of one brake cavity 19 in a sliding mode, the pedal 18 is connected with the sliding block 22, a self-locking cavity 29 is fixedly arranged at the lower portion of the pedal 18, and a self-locking device is arranged in the self-locking cavity 29 and used for self-locking displacement of parts for operating the brake device.

As shown in fig. 2 and 3, the rotating device includes a headrest 16 rotating on the upper end of the backrest 15, a motor 40 is fixedly arranged on the right side of the rotating cavity 17, an output shaft 39 is arranged at the output end of the motor 40, a gear is arranged on the middle section of the output shaft 39, a connecting sleeve 44 is fixedly arranged on the outer side of the output shaft 39, the connecting sleeve 44 is connected with the backrest 15, the connecting sleeve 44 rotates to drive the backrest 15 to rotate, and an auxiliary device is arranged inside the backrest 15 and used for supporting and massaging the back of the waist.

As shown in fig. 2 and 3, the auxiliary device includes two massage devices 41 fixed inside the backrest 15, two rest blocks 38 are slidably disposed on the backrest 15, a sliding link 42 is connected between the two rest blocks 38, a rack 43 is fixedly disposed at the lower end of the sliding link 42, the sliding link 42 extends into a connecting sleeve 44, a hollow portion is disposed between the middle gear section of the output shaft 39 and the connecting sleeve 44, the rack 43 can be engaged with the middle gear section of the output shaft 39, when the sliding link 42 drives the rest blocks 38 to retract into the backrest 15, the massage devices 41 can be activated to massage and relax the back of the human body, when the rest blocks 38 slide out of the backrest 15, the chair can be used as an engineering office chair, the rest blocks 38 are used for leaning on the back of the human body, and a fine adjustment device is disposed in each rest block 38 and used for adjusting the leaning angle of the back of the human body to the back cushion.

As shown in fig. 3, the fine adjustment device includes a fine adjustment rod 45 sliding inside the leaning block 38, a spring is connected between the fine adjustment rod 45 and the leaning block 38, the other end of the fine adjustment rod 45 is connected with the sliding connecting rod 42, a ratchet is arranged on the fine adjustment rod 45, an electric control block 13 is fixedly arranged outside the fine adjustment rod 45, an electric control pawl is arranged in the electric control block 13, a control plate 37 is fixedly arranged on the armrest 28, the control plate 37 can control the electric control pawl, when the electric control block 13 does not limit sliding of the fine adjustment rod 45, a human body leans against the leaning block 38, after fine adjustment to a proper leaning angle, the electric control block 13 is operated through the control plate 37 again, the electric control block 13 limits sliding of the fine adjustment rod 45, meanwhile, the control plate 37 can control the motor 40, and can control an angle between the backrest 15 and the cushion 14 through the control plate 37.

As shown in fig. 3, 4, 5 and 6, the braking device includes a connecting rod 23 fixed on the sliding block 22, a transmission link 25 is slidably disposed inside the base 10, six rotating discs 24 are fixedly disposed on the transmission link 25, and the connecting rod 23 can rotate inside the rotating discs 24.

As shown in fig. 5 and 6, the self-locking device includes a protruding rod 31 fixed at the lower end of the pedal 18, a protruding block is arranged at the lower portion of the protruding rod 31, a spring is connected between the pedal 18 and the self-locking cavity 29, a sliding guide block 30 is fixedly arranged on the self-locking cavity 29, the protruding rod 31 slides in the sliding guide block 30, a self-locking base 36 is fixedly arranged on the upper side wall of the self-locking cavity 29, a self-locking block 34 is slidably arranged on the self-locking base 36, a spring is connected between the self-locking base 36 and the self-locking block 34, two limiting blocks 35 are fixedly arranged on the self-locking block 34, the protruding block at the lower portion of the protruding rod 31 is arranged between the two limiting blocks 35, a one-way sliding groove 33 is arranged on the self-locking base 34, a self-locking rotating sliding rod 32 is arranged on the lower side wall of the self-locking cavity 29, and the self-locking rotating sliding rod 32 can slide in one way in the one-way sliding groove 33.

When the device is used, the device can be divided into two working states, namely office use and rest massage. Elevating gear 12 can adjust the height about cushion 14, the spring is used for buffering from top to bottom, lean on piece 38 roll-off during official working, can form the state that the top was leaned on to human back department, also can adjust according to human back natural curve, can spacing human back, can not produce the physiological disorders that the pelvis leans forward and the hunchback because people sit official working for a long time, also can start arresting gear, with seat wheel stall, rotate back 15 backward, reach certain angle after, lean on piece 38 can advance inside back 15 along with the rotational slip, the people can lie on the seat, start massager 41 and carry out human back massage and relax, reach and slow down the problem that people sit official working for a long time and lead to the back stiff, problems such as psoatic strain.

When the device is used for office work, the motor 40 is controlled to rotate by the control panel 37, the motor 40 drives the output shaft 39 to rotate, a gear section in the middle of the output shaft 39 is meshed with the rack 43 to drive the rack 43 to slide, the whole sliding connecting rod 42 can slide forwards, the sliding connecting rod 42 drives the leaning block 38 to slide outwards, the backrest 15 is driven to rotate by the connecting sleeve 44, after the backrest 15 and the cushion 14 form a certain angle suitable for office work, the control panel 37 automatically judges to operate the motor 40 to stop, further fine adjustment processing is carried out on the leaning block 38, a human body leans against the backrest, the control panel 37 controls the electric control block 13, a pawl in the electric control block 13 stops limiting the fine adjustment rod 45, the leaning block 38 is pressed inwards by means of gravity pressure of the human body, after the proper angle is reached, the electric control panel 37 controls the electric control block 13, and the electric control block 13 limits the fine adjustment rod 45 to slide again, the leaning block 38 is fixed in position, can play a certain leaning role on the human body, can correct the unhealthy posture of the human body during working for a long time, well adjusts the waist and back curve of the human body, and avoids the injury to the human body during the long time.

When the device is used for rest massage, the moving wheels 20 are stopped to rotate, so that the movement is avoided in the massage process, and people on the seat slide off the seat. When the pedal 18 is stepped, the pedal 18 slides downwards to drive the sliding block 22 to slide in the self-locking cavity 29, the sliding block 22 drives the brake clamp 27 and the brake block 26 to slide downwards, the brake clamp 27 wraps the wheel shaft 21, the brake block 26 is clamped on the outer side of the wheel shaft 21 to ensure that the wheel shaft 21 cannot rotate any more, meanwhile, the sliding block 22 drives the transmission connecting rod 25 to slide downwards through the connecting rod 23, the transmission connecting rod 25 drives other five connecting rods 23 to slide downwards, six wheels are ensured to be braked simultaneously, and the situation that the six moving wheels 20 are incompletely braked to cause shaking is avoided. Meanwhile, the convex block rod 31 is driven to slide in the sliding guide block 30 in the downward sliding process of the pedal 18, when the convex block rod 31 moves downward, the lower limiting block 35 is extruded, the whole self-locking block 34 is extruded downward, the self-locking block 34 slides on the self-locking base 36, the self-locking rotating slide rod 32 slides in the one-way sliding groove 33, the uppermost middle part in the one-way sliding groove 33 is clamped, the self-locking effect is achieved, and the phenomenon that a person falls down from the seat due to incomplete braking effect is prevented.

When the brake needs to be stopped, the pedal 18 is stepped again, the pedal 18 drives the bump rod 31 to move downwards, the self-locking block 34 is driven to slide downwards again, the self-locking rotary sliding rod 32 can continue to slide in the one-way sliding groove 33, the self-locking rotary sliding rod 32 can slide out of the upper portion of the one-way sliding groove 33, and the self-locking state is released.

When the moving wheel 20 is braked, the operation is carried out through the control panel 37, the motor 40 is controlled to rotate, the backrest 15 is rotated towards the rear side, the backrest 15 and the cushion 14 form an oblique angle suitable for massage relaxation, when the motor 40 rotates, the gear section on the output shaft 39 drives the rack 43, the sliding connecting rod 42 and the leaning block 38 to slide towards the rear side, the leaning block 38 is retracted, a person leans against the backrest 15 and can directly contact with the massager 41, the massager 41 is started, massage relaxation on the waist of the human body can be carried out, the work fatigue can be relieved, and the effects of relieving muscle stiffness and avoiding muscle strain are achieved.

Compared with the prior art, this dual-purpose intelligent seat of official working and massage has following advantage:

1. lean on the piece roll-off during official working, can form the state that the top was leaned on to human back department, also can adjust according to human back natural curve, can spacing human back, can not produce the physiological disorders that the pelvis leaned forward and stooped back because people sit official working for a long time, the people also can lie on the seat, start the massager and carry out human back massage and relax, reach and slow down the problem that people sit official working for a long time and lead to the stiff problem of back, psoatic strain scheduling problem.

2. The electronic control block limits the fine adjustment rod to slide again, the leaning block is fixed in position, a certain leaning effect on the human body can be achieved, the unhealthy posture of the person who sits for a long time in office can be corrected, the waist and back curve of the person is well adjusted, and the injury to the body due to sitting for a long time is avoided.

3. The self-locking rotating slide rod slides in the one-way sliding groove and can be clamped at the middle part of the uppermost surface in the one-way sliding groove, so that a self-locking effect is achieved, and the situation that a person falls down from the seat due to incomplete braking effect is prevented.

4. When the movable wheel is braked, the massager is started, the waist and the back of the human body can be massaged and relaxed, the working fatigue can be relieved, and the effects of relieving muscle stiffness and avoiding muscle strain are achieved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an official working and dual-purpose intelligent seat of massage, includes base (10), its characterized in that, be equipped with stand (11) on the base (10) upper side wall fixedly, be equipped with elevating gear (12) on stand (11) fixedly, be equipped with cushion (14) on elevating gear (12) fixedly, be connected with the spring between elevating gear (12) and cushion (14), both ends are fixed and are equipped with handrail (28) about cushion (14), cushion (14) rear side fixedly is equipped with rotates chamber (17), be equipped with rotating device in rotating chamber (17), rotating device is used for rotating the regulation seat angle, base (10) downside rotates on the lateral wall and is equipped with six braking chamber (19), is equipped with arresting gear in every braking chamber (19), and arresting gear is used for restricting the seat and removes, and arresting gear includes rotates in shaft (21) of braking chamber (19) inside, the brake device is characterized in that a moving wheel (20) is fixedly arranged on the wheel shaft (21), a sliding block (22) is arranged in the brake cavity (19) in a sliding mode, a brake clamp (27) is fixedly arranged on the sliding block (22), a brake block (26) is fixedly arranged on the brake clamp (27), a pedal (18) is arranged on the outer side wall of the brake cavity (19) in a sliding mode, the pedal (18) is connected with the sliding block (22), a self-locking cavity (29) is fixedly arranged on the lower portion of the pedal (18), and a self-locking device is arranged in the self-locking cavity (29) and used for self-locking of the displacement of parts of the brake device.

2. The intelligent chair for both office and massage as claimed in claim 1, wherein: rotating device is in including rotating headrest (16) of back (15) upper end, it is fixed motor (40) to be equipped with on chamber (17) right side to rotate, the output of motor (40) is equipped with output shaft (39), be equipped with the gear on output shaft (39) interlude, output shaft (39) outside is fixed and is equipped with connecting sleeve (44), connecting sleeve (44) with back (15) are connected, connecting sleeve (44) rotate and to be can drive back (15) are rotated, the inside auxiliary device that is equipped with of back (15), auxiliary device are used for back department to push up and back massage.

3. The intelligent chair for both office and massage as claimed in claim 2, wherein: the auxiliary device comprises two massagers (41) fixed inside the backrest (15), two leaning blocks (38) are arranged on the backrest (15) in a sliding mode, a sliding connecting rod (42) is connected between the two leaning blocks (38), a rack (43) is fixedly arranged at the lower end of the sliding connecting rod (42), the sliding connecting rod (42) extends into the connecting sleeve (44), a hollow part is formed between the middle gear section of the output shaft (39) and the connecting sleeve (44), the rack (43) can be meshed with the middle gear section of the output shaft (39), when the sliding connecting rod (42) drives the leaning blocks (38) to retract into the backrest (15), the massagers (41) can be started to massage and relax the back of a human body, and after the leaning blocks (38) slide out of the backrest (15), the chair can be used as an engineering chair, the leaning blocks (38) are used for leaning on the waist and the back of a human body, and a fine adjustment device is arranged in each leaning block (38) and used for adjusting the leaning angle of the waist and the back of the human body to the back cushion.

4. The intelligent chair for both office and massage as claimed in claim 3, wherein: the fine adjustment device comprises a fine adjustment rod (45) which slides inside the leaning block (38), the fine adjustment rod (45) is connected with the spring between the leaning block (38), the other end of the fine adjustment rod (45) is connected with the sliding connecting rod (42), a ratchet is arranged on the fine adjustment rod (45), an electric control block (13) is fixedly arranged on the outer side of the fine adjustment rod (45), an electric control pawl is arranged in the electric control block (13), a control plate (37) is fixedly arranged on the armrest (28), the control plate (37) can control the electric control pawl, when the electric control block (13) does not limit the sliding of the fine adjustment rod (45), a human body leans on the leaning block (38), after the fine adjustment is carried out to a proper leaning angle, the electric control block (13) is operated through the control plate (37) again, and the electric control block (13) limits the sliding of the fine adjustment rod (45), meanwhile, the control panel (37) can control the motor (40), and the angle between the backrest (15) and the seat cushion (14) can be controlled through the control panel (37).

5. The intelligent chair for both office and massage as claimed in claim 4, wherein: arresting gear is including fixing connecting rod (23) on slider (22), the inside slip of base (10) is equipped with transmission connecting rod (25), fixed six rolling discs (24) that are equipped with on transmission connecting rod (25), connecting rod (23) can rolling disc (24) inside rotation.

6. The intelligent chair for both office and massage as claimed in claim 5, wherein: the self-locking device comprises a convex block rod (31) fixed at the lower end of the pedal (18), a convex block is arranged at the lower part of the convex block rod (31), the pedal (18) and the self-locking cavity (29) are connected with the spring, a sliding guide block (30) is fixedly arranged on the self-locking cavity (29), the convex block rod (31) slides in the sliding guide block (30), a self-locking base (36) is fixedly arranged on the upper side wall of the self-locking cavity (29), a self-locking block (34) is arranged on the self-locking base (36) in a sliding manner, the spring is connected between the self-locking base (36) and the self-locking block (34), two limit blocks (35) are fixedly arranged on the self-locking block (34), a one-way sliding groove (33) is arranged between the two limit blocks (35) at the lower part of the convex block rod (31), a self-locking sliding rod (32) is arranged on the lower side wall of the self-locking cavity (29), the self-locking rotary sliding rod (32) can slide in one direction in the one-way sliding groove (33).