CN109125015B

CN109125015B - Hydrodynamic massage chair

Info

Publication number: CN109125015B
Application number: CN201810885697.3A
Authority: CN
Inventors: 杨慧
Original assignee: Anji Jinkun Home Furnishing Co Ltd
Current assignee: Anji Jinkun home furnishing Co., Ltd
Priority date: 2018-08-06
Filing date: 2018-08-06
Publication date: 2020-12-18
Anticipated expiration: 2038-08-06
Also published as: CN109125015A

Abstract

The invention belongs to the technical field of massage chairs and discloses a hydrodynamic massage chair. Comprises a chair seat, a chair back and a water pump arranged in the chair seat; a water tank a is formed at the upper part of the chair seat, and a water tank b is formed at the front part of the chair back; a motor moving box is formed below the water tank a; the water pump comprises a pump body part positioned at the inner bottom of the water tank a and a motor part positioned at the inner top surface of the motor moving box; the motor part comprises a driving motor for providing power for the water pump; the driving motor is provided with a movable seat. A conversion part for guiding water sprayed by the water pump into the water tank b is arranged in the water tank a; a back-spraying part communicated with the conversion part is installed in the water tank b, and a moving base for driving the back-spraying part to move is installed in the back-spraying moving box; the leg massage, the back massage and the chair back adjustment are realized by moving the position of the water pump.

Description

Hydrodynamic massage chair

Technical Field

The invention belongs to the technical field of massage beds, and particularly relates to a hydrodynamic massage chair.

Background

The massage chair can simulate hands to massage the back, the waist, the hip and other parts of the body, can help to eliminate body fatigue and recover spirit, and can enjoy massage at home, so the massage chair is popular to a few people.

Most of massage chairs in the market massage by using mechanical rolling force and extrusion force, so that the force during massage cannot be controlled, and muscle pain and even injury to bodies can be caused when the force during massage is too large. Moreover, most massage chairs cannot automatically adjust the massage position due to internal structure, and people of different body types can not accurately and effectively massage the position to be massaged because the relative positions of the people sitting above the massage chair are different, so that the expected massage effect cannot be achieved.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the hydrodynamic massage chair comprises a chair seat and a chair back connected with the chair seat; a water pump is arranged in the chair seat; a sealed water tank a is fixedly connected in the chair seat; a motor moving box is formed at the lower end of the water tank a; a sealed water tank b is fixedly connected in the chair back; the rear end of the water tank b is formed with a back moving box, the upper end of the water tank a is connected with a rubber film, and the front end of the water tank b is connected with the rubber film.

The water pump comprises a pump body part positioned at the inner bottom of the water tank a and a motor part positioned at the inner top surface of the motor moving box; the pump body part comprises a cylindrical shell and an impeller which is coaxially and rotatably arranged in the shell; the impeller is coaxial with an output shaft of the driving motor; two symmetrically arranged water spray pipes are formed on the periphery of the shell along the tangential direction of the impeller; the outlet of the water spray pipe faces upwards.

The motor part comprises a driving motor for providing power for the water pump; the upper part of an output shaft of the driving motor is fixedly connected with a rotating gear; the driving motor is provided with a movable seat; the rotating gear is positioned above the moving seat; a plurality of first magnets are equidistantly arranged on the upper end surface of the movable seat along the circumferential direction of an output shaft of the driving motor; the first magnet abuts against the inner top surface of the motor moving box; a pump body base is formed at the lower end of the shell; a third magnet is arranged on the pump body base corresponding to each first magnet; a plurality of second magnets are arranged at the upper end of the rotating gear at equal intervals along the circumferential direction; a fourth magnet is arranged at the lower end of the impeller corresponding to each second magnet; the first magnet and the third magnet are attracted; the second magnet and the fourth magnet attract each other.

A motor mounting seat used for fixing the driving motor is arranged in the motor moving box; the two ends of the motor moving box along the length direction are provided with a longitudinal rod a which is horizontally arranged; horizontal rods a are arranged at the two ends of the motor moving box along the width direction; the longitudinal bar a and the transverse bar a are positioned on two different planes; the side surface of the motor mounting seat facing to the space between the longitudinal rod a and the transverse rod a is fixedly connected with a sliding sleeve a which is sleeved on the longitudinal rod a and the transverse rod a; and a moving motor a for driving the longitudinal rod a to move transversely and driving the transverse rod a to move longitudinally is respectively arranged outside the motor moving box.

A conversion part for guiding the water in the water tank a into the water tank b is arranged on the inner wall of one side of the water tank a close to the chair back; the conversion part comprises a fixing plate which is formed on the inner wall of one side of the water tank a close to the chair back; a suction pipe is arranged below the fixed plate; the lower end surface of the suction pipe is flush with the upper end surface of the water inlet; the lower end of the fixing plate is positioned on two sides of the suction pipe and is respectively and fixedly connected with a corrugated pipe; the corrugated pipe is communicated to the water tank b through a pipeline; a suction disc is fixedly connected in the suction pipe, and through holes which are uniformly distributed are formed in the suction disc; a corrugated connecting rod fixedly connected with the two corrugated pipes respectively is formed on the side wall of the suction disc; one end of the suction pipe is fixedly connected with the upper end of the suction disc, and the other end of the suction pipe is fixedly connected with the tension spring at the lower end of the fixed plate.

A controller is arranged in the chair seat; the driving motor, the moving motor a and the moving motor b are electrically connected with the controller.

As a preferable scheme: a ratchet wheel is fixedly connected to the upper part of an output shaft of the driving motor below the moving seat; a cylindrical cam is sleeved on the ratchet wheel; ratchets in transmission connection with the ratchet wheel are formed on the inner wall of the cylindrical cam; and W-shaped grooves which are connected end to end along the circumferential direction are formed in the periphery of the cylindrical cam.

The cylindrical cam is sleeved with a transposition sleeve; a guide post which is used for being connected in the groove in a sliding manner is arranged in the transposition sleeve; the lower end of the transposition sleeve is rotatably connected with a transposition gear; a noncircular sliding hole is formed in the center of the transposition gear; and a sliding column with the same section as the sliding hole is formed at the lower part of the output shaft of the driving motor corresponding to the transposition gear.

A fixed seat fixedly connected with the driving motor is arranged below the movable seat; the upper end of the fixed seat is provided with a ring gear and a fixed gear which are meshed with each other; the ring gear is coaxial with an output shaft of the driving motor; an inner ring gear in meshed transmission connection with the transposition gear is formed on the inner ring of the ring gear;

an arc-shaped support ring for supporting the movable seat is formed above the fixed seat; an extension rod horizontally facing the support ring is formed on the periphery of the transposition sleeve; a guide groove which is vertically arranged is formed at the end part of the extension rod; and guide strips are formed on the support ring corresponding to the guide grooves.

An upper mounting column which is eccentrically arranged with the fixed gear is arranged on the fixed gear; a lower mounting column is arranged at one side of the fixed gear at the lower end of the movable seat; and a connecting rod is arranged between the upper mounting column and the lower mounting column.

As a preferable scheme: a back spraying part is arranged in the water tank b; the back spraying part comprises a spraying head seat positioned on the lower bottom surface of the water tank b; the upper end of the sprinkler head is fixedly connected with a back sprinkler pipe with an upward outlet; the other end of the back water spraying pipe is communicated with a corrugated pipe positioned in the water tank b through a hose.

A movable base used for moving the back spraying part is arranged in the back moving box; a longitudinal rod b is arranged in the backward moving box along the length direction; a transverse rod b is arranged in the backward moving box along the width direction; the longitudinal bar b and the transverse bar b are positioned on two different planes; the side surface of the moving base facing to the position between the longitudinal rod b and the transverse rod b is fixedly connected with a sliding sleeve b which is sleeved on the longitudinal rod b and the transverse rod b; and a moving motor b for driving the longitudinal rod b to transversely move and driving the transverse rod b to longitudinally move is respectively arranged outside the back moving box.

As a preferable scheme: a chair back rotating rod is formed at the intersection position of the lower end of the chair back and the chair seat; a turbine is fixedly connected to the chair back rotating rod shaft; the lower end of the water tank a is rotatably connected with a worm in transmission connection with the turbine; a horizontally arranged transmission gear a is formed at the upper part of the worm; the lower end of the water tank a is rotatably connected with a transmission gear b which is in meshing transmission with the transmission gear a; a transmission gear groove is formed in the middle of one side of the upper end of the movable seat; and the transmission gear b and the rotating gear are in meshed transmission in the transmission gear groove.

Compared with the prior art, the invention has the beneficial effects that: when a user sits on the chair seat, the body of the user is lifted due to the support of the water in the water tank a, and when the legs and the buttocks are massaged, the water sprayed by the water pump moves along a track set by the user by controlling the driving motor and the moving motor to work, so that the user is massaged, and the water can also be massaged through a preset track; the flapping massage effect can also be generated by controlling the starting and stopping of the driving motor.

When massaging the back, the water pump is moved to the lower part of the conversion part by controlling the operation of the movable motor a, the operation of the driving motor is controlled, the water pump is moved to the position under the fixed plate, because the clearance between the upper end surface of the water inlet and the lower end surface of the suction pipe is smaller, the water at the upper end of the suction disc enters the water pump through the suction pipe, the flowing water pushes the suction disc, the suction pipe moves downwards and is sleeved with the water inlet, meanwhile, the corrugated pipe connected with the suction pipe also moves downwards, the corrugated pipe is sleeved with the water spray pipe, the water sprayed out from the water spray pipe is sprayed out from the back through the corrugated pipe and the hose and is used for back massage, and the massage mode is the same as that of the.

When the angle of the chair back is adjusted, the rotating gear is meshed with the transmission gear b by controlling the moving motor to work, so that the angle of the chair back is adjusted.

The pump body part is separated from the motor part, so that the contact between the motor and water is isolated, the condition of electric leakage or short circuit caused by insufficient sealing of the motor is avoided, and potential safety hazards are reduced; the water pump is moved to realize the water spray massage of legs and buttocks or the water spray massage of the back, and the chair back can be adjusted through the water pump.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic exploded view of the present invention.

Fig. 3 is a schematic view of the mounting structure of the water pump and the conversion part.

Fig. 4 is a schematic structural view of the conversion section.

Fig. 5 is a schematic view of the mounting structure of the water pump and the seat back rotating rod.

Fig. 6 is a schematic structural view of the back spray part.

Fig. 7 is a schematic structural view of the mobile base.

Fig. 8 is an exploded view of the water pump.

Fig. 9 is a schematic sectional structure diagram of the motor unit.

Fig. 10 is a schematic view of the structure of the impeller.

Fig. 11 is a schematic structural view of a cylindrical cam.

FIG. 12 is a schematic view of the structure of the index sleeve.

A. A chair seat; B. a chair back; 1a, a water tank a; 1b, a water tank b; 11. a longitudinal bar a; 12. a transverse bar a; 13. a longitudinal bar b; 14. a transverse bar b; 15. a motor moving box; 151. a transverse guide hole a; 152. a transverse rack a; 153. a longitudinal guide hole a; 154. a longitudinal rack a; 16. a back-to-back moving box; 161. a longitudinal guide hole b; 162. a longitudinal rack b; 163. a transverse guide hole b; 164. a transverse rack b; 17. a return bellows; 2. a motor section; 21. a drive motor; 211. a fixed seat; 2111. a support ring; 21111. conducting bars; 212. a sliding post; 22. a movable seat; 221. a first magnet; 222. a lower mounting post; 223. a transmission gear groove; 23. a rotating gear; 231. a second magnet; 24. a ratchet wheel; 25. a cylindrical cam; 251. a ratchet; 252. a groove; 26. a transposition sleeve; 261. an extension rod; 2611. a guide groove; 262. a guide post; 27. a transposition gear; 271. a slide hole; 281. a ring gear; 2811. an inner gear ring; 282. a fixed gear; 2821. mounting a column; 29. a connecting rod; 3. a pump body portion; 31. a housing; 311. a water spray pipe; 312. a pump body base; 3121. a third magnet; 313. a water inlet; 32. an impeller; 321. a fourth magnet; 4. a back spraying part; 41. a back-to-back spray pipe; 42. a nozzle base; 421. a fifth magnet; 5. a conversion section; 51. a fixing plate; 52. a bellows; 53. a suction pipe; 531. (ii) a A suction tray; 532. a tension spring; 533. a corrugated connecting rod; 6. moving the base; 61. a sixth magnet; 62. a sliding sleeve b; 7. a chair back rotating rod; 72. a turbine; 72. a worm; 721. a transmission gear a; 73. a transmission gear b; 8. a motor mounting seat; 81. and a sliding sleeve a.

Detailed Description

Example 1

Referring to fig. 1 to 12, a hydrodynamic massage chair according to the present embodiment includes a seat a and a backrest B connected to the seat; a water pump is arranged in the chair seat; a sealed water tank a1a is fixedly connected in the chair seat; a motor moving box 15 is formed at the lower end of the water tank a; a sealed water tank b1b is fixedly connected in the chair back; the rear end of the water tank b is formed with a back moving box 16, the upper end of the water tank a is connected with a rubber film, and the front end of the water tank b is connected with the rubber film.

The water pump comprises a pump body part 3 positioned at the inner bottom of the water tank a and a motor part 2 positioned at the inner top surface of the motor moving box; the pump body part comprises a cylindrical shell 31 and an impeller 32 coaxially and rotatably arranged in the shell; the impeller is coaxial with an output shaft of the driving motor; two symmetrically arranged water spray pipes 311 are formed on the periphery of the shell along the tangential direction of the impeller; the outlet of the water spray pipe faces upwards; the connecting line of the outlets of the two water spray pipes is transverse; a water inlet 313 for water inlet is formed above the shell. When the number of the water spraying ports is two, the left side and the right side of a user can be simultaneously massaged, such as the two sides of the legs.

The motor part comprises a driving motor 21 for providing power for the water pump; the upper part of the output shaft of the driving motor is fixedly connected with a rotating disc 23; the driving motor is provided with a movable seat 22; the rotating disc is positioned above the moving seat; a plurality of first magnets 221 are equidistantly arranged on the upper end surface of the moving seat along the circumferential direction of the output shaft of the driving motor; the first magnet abuts against the inner top surface of the motor moving system; the lower end of the shell is formed with a pump body base 312; a third magnet 3121 is installed on the pump body base corresponding to each first magnet; a plurality of second magnets 231 are equidistantly installed along the circumferential direction at the upper end of the rotating disk; a fourth magnet 321 is arranged at the lower end of the impeller corresponding to each second magnet; the first magnet and the third magnet are attracted; the second magnet and the fourth magnet attract each other. The first magnet and the third magnet are attracted to enable the shell and the moving seat to be kept in a relative state in the vertical direction, so that when the moving seat moves along with the motor below an inner top plate of the motor moving box, the shell moves along with the moving seat, and the pump body portion moves along with the motor portion; the second magnet is attracted with the fourth magnet, and when the rotating disk rotates, the impeller rotates along with the rotating disk, so that water outside the shell enters through the water inlet and is sprayed out of the water spraying pipe.

A motor mounting seat 8 for fixing the driving motor is arranged in the motor moving box; the two ends of the motor moving box along the length direction are provided with a longitudinal rod a11 which is horizontally arranged; horizontal rods a12 are arranged at the two ends of the motor moving box along the width direction; two ends of the motor moving box along the length direction are provided with transverse guide holes a151 for the longitudinal rod a to move; longitudinal guide holes a153 for moving the transverse rods a are formed at two ends of the motor moving box along the width direction; the longitudinal bar a and the transverse bar a are positioned on two different planes; the side surface of the motor mounting seat facing to the space between the longitudinal rod a and the transverse rod a is fixedly connected with a sliding sleeve a71 sleeved on the longitudinal rod a and the transverse rod a respectively; a moving motor a for driving the longitudinal rod a to move transversely and driving the transverse rod a to move longitudinally is respectively arranged outside the motor moving box; the moving motor a is a stepping motor or a servo motor; the output shafts of the two moving motors a are fixedly connected with moving gears a; the two moving gears a are respectively coaxially and rotatably connected with the transverse rod a and the longitudinal rod a; the lateral wall of the motor moving box is respectively and fixedly connected with a transverse rack a152 and a longitudinal rack a154 which are engaged and connected with the moving gear a in a transmission way. By controlling the movable motor a to work, the transverse rod a and the longitudinal rod a move to drive the motor mounting seat to move, so that the motor part and the pump body part move. The transverse rod a or the longitudinal rod a can be respectively provided with a moving motor a, a moving gear a and a corresponding transverse rack a or longitudinal rack a at two ends, and the moving motor a can synchronously rotate to prevent the transverse rod or the longitudinal rod from being blocked.

A conversion part 5 for guiding the water in the water tank a into the water tank b is arranged on the inner wall of one side of the water tank a close to the chair back; the conversion part comprises a fixed plate 51 which is formed on the inner wall of one side of the water tank a close to the chair back; a suction pipe 53 is arranged below the fixed plate, and the inner diameter of the suction pipe is not more than the outer diameter of the water inlet, or the inner diameter of the water inlet is not more than the outer diameter of the suction pipe; the lower end surface of the suction pipe is flush with the upper end surface of the water inlet; the lower end of the fixing plate is positioned at two sides of the suction pipe and is respectively and fixedly connected with a corrugated pipe 52; the corrugated pipe is communicated to the water tank b through a pipeline; a suction disc 531 is fixedly connected in the suction pipe, and through holes are uniformly distributed on the suction disc; a corrugated connecting rod 533 fixedly connected with the two corrugated pipes respectively is formed on the side wall of the suction disc; one end of the suction pipe is fixedly connected with the upper end of the suction disc, and the other end of the suction pipe is fixedly connected with a tension spring 532 arranged at the lower end of the fixed plate.

The water pump moves to the position under the fixed plate, because the gap between the upper end surface of the water inlet and the lower end surface of the suction pipe is small, water at the upper end of the suction disc enters the water pump through the suction pipe, the flowing water pushes the suction disc, the suction pipe moves downwards and is sleeved with the water inlet, meanwhile, the corrugated pipe connected with the suction pipe also moves downwards, the corrugated pipe is just sleeved with the water spray pipe, and water sprayed from the water spray pipe is guided into the water tank b through the corrugated pipe.

A back spraying part 4 is arranged in the water tank b; the back spraying part comprises a spraying head seat 42 positioned on the lower bottom surface of the water tank b; the upper end of the sprinkler head is fixedly connected with a back sprinkler pipe 41 with an upward outlet; the other end of the back water spraying pipe is communicated with a corrugated pipe positioned in the water tank b through a hose.

A movable base 6 for moving the back spraying part is arranged in the back moving box 16; a longitudinal rod b13 is arranged in the backward moving box along the length direction; a transverse rod b14 is arranged in the backward moving box along the width direction; the longitudinal bar b and the transverse bar b are positioned on two different planes; the side surface of the movable base facing to the position between the longitudinal rod b and the transverse rod b is fixedly connected with a sliding sleeve b62 sleeved on the longitudinal rod b and the transverse rod b respectively; the outside of the back moving box is respectively provided with a moving motor b for driving the longitudinal rod b to move transversely and driving the transverse rod b to move longitudinally; the moving motor b is a stepping motor or a servo motor; the output shafts of the two moving motors b are fixedly connected with moving gears b; the two moving gears b are respectively coaxially and rotatably connected with the transverse rod b and the longitudinal rod b; the side wall of the box back to the moving box is fixedly connected with a transverse rack b164 and a longitudinal rack b162 which are engaged and connected with the moving gear b in a transmission way. And the transverse rod b and the longitudinal rod b move to drive the movable base to move by controlling the movable motor b to work, so that the back spraying part moves. When the moving motor a or the moving motor b works, baffles parallel to the transverse rack or the longitudinal rack can be arranged at the upper end and the lower end of the moving motor a or the moving motor b so as to prevent the moving motor a or the moving motor b from rotating, and ensure that the moving motor a or the moving motor b moves along the transverse direction or the longitudinal direction when in work.

And a backflow corrugated pipe 17 for conducting the water tank a and the water tank b mutually is arranged at the joint of the water tank a and the water tank b, and water sprayed out of the water spray pipe in a back direction flows back into the water inlet tank b through the backflow corrugated pipe.

When a user sits on the chair seat, the body of the user is lifted due to the support of the water in the water tank a, and when the legs and the buttocks are massaged, the water sprayed by the water pump moves along a track set by the user by controlling the driving motor and the moving motor to work, so that the user is massaged, and the water can also be massaged through a preset track; the flapping massage effect can also be generated by controlling the starting and stopping of the driving motor.

When the back is massaged, the water pump is moved to the lower part of the conversion part by controlling the operation of the moving motor a, the driving motor is controlled to operate, the corrugated pipe is sleeved with the water spraying pipe, water sprayed out of the water spraying pipe is sprayed out of the water spraying pipe from the back through the corrugated pipe and the hose and is used for back massage, and the massage mode is the same as that of massaging legs and buttocks.

The pump body part is separated from the motor part, so that the contact between the motor and water is isolated, the condition of electric leakage or short circuit caused by insufficient sealing of the motor is avoided, and potential safety hazards are reduced; through removing the position of water pump realizes adding water or opening the handle that resets in the header tank, and through the water pump can also massage the user.

Example 2

This example is modified from example 1 as follows: a ratchet wheel 24 is fixedly connected to the upper part of the output shaft of the driving motor below the moving seat; a cylindrical cam 25 is sleeved on the ratchet wheel; the inner wall of the cylindrical cam is formed with a ratchet 251 which is in transmission connection with the ratchet; the periphery of the cylindrical cam is formed with W-shaped grooves 252 which are connected end to end along the circumferential direction. When the driving motor rotates forwards to drive the impeller to rotate, idle rotation is formed between the ratchet wheel and the cylindrical cam, namely the cylindrical cam does not rotate along with the ratchet wheel; when the driving motor rotates reversely, the cylindrical cam is driven to rotate through the ratchet wheel.

A transposition sleeve 26 is sleeved on the cylindrical cam; a guide post 262 which is connected in the groove in a sliding way is arranged in the transposition sleeve; the lower end of the transposition sleeve is rotatably connected with a transposition gear 27; a noncircular sliding hole 271 is formed in the center of the transposition gear; a sliding column 212 with the same section as the sliding hole is formed at the lower part of the output shaft of the driving motor corresponding to the transposition gear. The driving motor drives the transposition gear to rotate when working through the matching between the sliding column and the sliding hole.

A fixed seat 211 fixedly connected with the driving motor is arranged below the movable seat; the upper end of the fixed seat is provided with a ring gear 281 and a fixed gear 282 which are meshed with each other; the ring gear is coaxial with an output shaft of the driving motor; an inner ring gear 2811 in meshing transmission connection with the transposition gear is formed in the inner ring of the ring gear.

An arc-shaped support ring 2111 for supporting the movable seat is formed above the fixed seat; an extension rod 261 horizontally facing the support ring is formed on the periphery of the transposition sleeve; a guide groove 2611 which is vertically arranged is formed at the end part of the extension rod; the support ring is provided with a guide bar 21111 corresponding to the guide groove. The transposition sleeve can only move in the vertical direction due to the limitation of the guide groove and the guide bar, when the cylindrical cam rotates, the guide post drives the transposition sleeve to move up and down under the action of the groove, and when the transposition sleeve moves to the lower end, the transposition gear is meshed with the inner gear ring; when the transposition sleeve moves to the upper end, the transposition gear is separated from the inner gear ring; the rotation angle of the cylindrical cam is controlled by the reverse rotation angle of the driving motor, and the rotation angle is the angle formed by the rotation shaft when the groove goes upwards or downwards, so that whether the transposition gear is meshed with the inner gear ring or not is indirectly controlled.

An upper mounting column 2821 which is eccentrically arranged with the fixed gear is mounted on the fixed gear; a lower mounting column 222 is arranged at one side of the fixed gear at the lower end of the movable seat; a connecting rod 29 is arranged between the upper mounting column and the lower mounting column. When the transposition gear is meshed with the inner gear ring, the driving motor rotates positively to drive the impeller to rotate and simultaneously drive the transposition gear to rotate, the ring gear drives the fixed gear to rotate, the moving seat swings back and forth under the action of the connecting rod, and the shell swings back and forth along with the moving seat through the moving seat; when the transposition gear is separated from the inner gear ring, the moving seat does not swing; when the pump body part not only sprays water upwards, but also swings back and forth, the massage manipulation of kneading is realized.

The engagement or the disengagement of the transposition gear and the ring gear is controlled through the reverse rotation of the driving motor, so that whether the pump body swings or not is controlled, and no driving part is additionally arranged for realizing the function.

Example 3

This example is modified from example 1 as follows: a chair back rotating rod 7 is formed at the intersection position of the lower end of the chair back and the chair seat; a turbine 71 is fixedly connected to the chair back rotating rod shaft; the lower end of the water tank a is rotatably connected with a worm 72 in transmission connection with the turbine; a horizontally arranged transmission gear a721 is formed at the upper part of the worm; the lower end of the water tank a is rotatably connected with a transmission gear b73 which is in meshing transmission with the transmission gear a; a transmission gear groove 223 is formed in the middle of one side of the upper end of the movable seat; a driving tooth is formed on the periphery of the rotating gear; and the transmission gear b and the rotating gear are in meshed transmission in the transmission gear groove.

The water pump moves to one side close to the chair back, so that the transmission gear b is meshed with the rotating gear, when the rotating gear rotates, teeth on the periphery of the rotating gear are meshed with the transmission gear b to drive the worm and the turbine to rotate, the chair back is driven to rotate by the rotating rod of the chair back, and when the proper position is reached, the water pump is turned off, and the chair back stops rotating.

Claims

1. A hydrodynamic massage chair comprises a chair seat and a chair back connected with the chair seat; the method is characterized in that: a water pump is arranged in the chair seat; a sealed water tank a is fixedly connected in the chair seat; a motor moving box is formed at the lower end of the water tank a; a sealed water tank b is fixedly connected in the chair back; a backward moving box is formed at the rear end of the water tank b; the upper end of the water tank a is connected with a rubber film, and the front end of the water tank b is connected with the rubber film;

the water pump comprises a pump body part positioned at the inner bottom of the water tank a and a motor part positioned at the inner top surface of the motor moving box; the pump body part comprises a cylindrical shell and an impeller which is coaxially and rotatably arranged in the shell; two symmetrically arranged water spray pipes are formed on the periphery of the shell along the tangential direction of the impeller; the outlet of the water spray pipe faces upwards;

the motor part comprises a driving motor for providing power for the water pump; the impeller is coaxial with an output shaft of the driving motor; the upper part of an output shaft of the driving motor is fixedly connected with a rotating gear; the driving motor is provided with a movable seat; the rotating gear is positioned above the moving seat; a plurality of first magnets are equidistantly arranged on the upper end surface of the movable seat along the circumferential direction of an output shaft of the driving motor; the first magnet abuts against the inner top surface of the motor moving box; a pump body base is formed at the lower end of the shell; a third magnet is arranged on the pump body base corresponding to each first magnet; a plurality of second magnets are arranged at the upper end of the rotating gear at equal intervals along the circumferential direction; a fourth magnet is arranged at the lower end of the impeller corresponding to each second magnet; the first magnet and the third magnet are attracted; the second magnet and the fourth magnet are attracted;

a motor mounting seat used for fixing the driving motor is arranged in the motor moving box; the two ends of the motor moving box along the length direction are provided with a longitudinal rod a which is horizontally arranged; horizontal rods a are arranged at the two ends of the motor moving box along the width direction; the longitudinal bar a and the transverse bar a are positioned on two different planes; the side surface of the motor mounting seat facing to the space between the longitudinal rod a and the transverse rod a is fixedly connected with a sliding sleeve a which is sleeved on the longitudinal rod a and the transverse rod a; the outside of the motor moving box is respectively provided with a moving motor a for driving the longitudinal rod a to move transversely and driving the transverse rod a to move longitudinally;

a conversion part for guiding the water in the water tank a into the water tank b is arranged on the inner wall of one side of the water tank a close to the chair back; the conversion part comprises a fixing plate which is formed on the inner wall of one side of the water tank a close to the chair back; a suction pipe is arranged below the fixed plate; the lower end surface of the suction pipe is flush with the upper end surface of the water inlet; the lower end of the fixing plate is positioned on two sides of the suction pipe and is respectively and fixedly connected with a corrugated pipe; the corrugated pipe is communicated to the water tank b through a pipeline; a suction disc is fixedly connected in the suction pipe, and through holes which are uniformly distributed are formed in the suction disc; a corrugated connecting rod fixedly connected with the two corrugated pipes respectively is formed on the side wall of the suction disc; one end of the suction pipe is fixedly connected with the upper end of the suction disc, and the other end of the suction pipe is fixedly connected with the lower end of the fixing plate;

2. The hydrodynamic massage chair as recited in claim 1 further comprising: a ratchet wheel is fixedly connected to the upper part of an output shaft of the driving motor below the moving seat; a cylindrical cam is sleeved on the ratchet wheel; ratchets in transmission connection with the ratchet wheel are formed on the inner wall of the cylindrical cam; w-shaped grooves which are connected end to end along the circumferential direction are formed in the periphery of the cylindrical cam;

the cylindrical cam is sleeved with a transposition sleeve; a guide post which is used for being connected in the groove in a sliding manner is arranged in the transposition sleeve; the lower end of the transposition sleeve is rotatably connected with a transposition gear; a noncircular sliding hole is formed in the center of the transposition gear; a sliding column with the same section as the sliding hole is formed at the lower part of the output shaft of the driving motor corresponding to the transposition gear;

an arc-shaped support ring for supporting the movable seat is formed above the fixed seat; an extension rod horizontally facing the support ring is formed on the periphery of the transposition sleeve; a guide groove which is vertically arranged is formed at the end part of the extension rod; a guide strip is formed at the position of the support ring corresponding to the guide groove;

3. A hydrodynamic massage chair as claimed in claim 1 or 2 wherein: a back spraying part is arranged in the water tank b; the back spraying part comprises a spraying head seat positioned on the lower bottom surface of the water tank b; the upper end of the sprinkler head is fixedly connected with a back sprinkler pipe with an upward outlet; the other end of the back water spraying pipe is communicated with a corrugated pipe positioned in the water tank b through a hose;

4. A hydrodynamic massage chair as claimed in claim 1 or 2 wherein: a chair back rotating rod is formed at the intersection position of the lower end of the chair back and the chair seat; a turbine is fixedly connected to the chair back rotating rod shaft; the lower end of the water tank a is rotatably connected with a worm in transmission connection with the turbine; a horizontally arranged transmission gear a is formed at the upper part of the worm; the lower end of the water tank a is rotatably connected with a transmission gear b which is in meshing transmission with the transmission gear a; a transmission gear groove is formed in the middle of one side of the upper end of the movable seat; and the transmission gear b and the rotating gear are in meshed transmission in the transmission gear groove.