Massage chair back movement structure

Abstract

The utility model relates to the field of massage chairs, in particular to a massage chair back machine core structure which comprises two installation frames and an installation seat, a sliding groove is formed in the middle of one side of each installation frame, guide grooves are formed in the inner wall of the top and the inner wall of the bottom of each sliding groove, second coupling shafts are installed at the two ends of the bottom of each installation seat in a penetrating mode, and idler wheels are fixedly installed at the two ends of each second coupling shaft. The rolling wheels are installed in the guide grooves in a clamped mode, and the rolling wheels are connected with the sliding grooves in a rolling mode, so that the installation base can move front and back in the direction of the installation frame, the position of the massage mechanism can be adjusted according to users of different heights, and applicability is improved. A cam and a massage mechanism are symmetrically arranged on the two sides of the partition plate, the cam tightly abuts against one side of the massage mechanism, and the cam rotates along with the first coupling shaft and can extrude the massage mechanism at intervals, so that the massage mechanism fluctuates up and down, and the massage wheels massage the back of the human body in all directions.

Description

Technical Field

[0001] The utility model relates to the field of massage chairs, in particular to a back movement structure of a massage chair. Background Art

[0002] Massage chairs use mechanical rolling force and mechanical squeezing to perform massage. Artificial massage can dredge the meridians, promote blood circulation, and maintain the body's yin and yang balance. Therefore, after the massage, you can feel your muscles relaxed, your joints flexible, and you can be invigorated and fatigue-relaxed, which plays an important role in ensuring good health.

[0003] However, the prior art has the following defects:

[0004] Most of the existing massage chairs are mainly composed of various massage movements, among which the back massage movement is fixedly arranged on the backrest bracket of the massage chair to massage the back of the human body. The massage movement of this type is fixed, the massage range is fixed, the position cannot be adjusted, and the applicability to people of different heights is insufficient. Utility Model Content

[0005] The purpose of the utility model is to provide a massage chair back movement structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a massage chair back movement structure, including two mounting frames and a mounting seat, a slide groove is opened in the middle of one side of the mounting frame, and the top inner wall and the bottom inner wall of the slide groove are opened with guide grooves, and the second coupling shaft is inserted and installed at both ends of the bottom of the mounting seat, and rollers are fixedly installed at both ends of the second coupling shaft, and the rollers are rollingly installed inside the slide groove, and the top outer wall and the bottom outer wall of the roller are tightly abutted against the top inner wall and the bottom inner wall of the guide groove respectively.

[0007] By adopting the above technical solution, the rollers on both sides of the mounting seat roll inside the guide groove, which makes it easy to adjust the position of the mounting seat for users of different heights so that it can just massage the back of the user.

[0008] A through slot is provided in the middle of the mounting seat, a partition plate is fixedly installed between the inner walls in the middle of both ends of the through slot, massage mechanisms and cams are symmetrically arranged on both sides of the partition plate, a first drive motor is provided in the middle of one side of the mounting seat, and the second coupling shaft is electrically connected to the first drive motor.

[0009] By adopting the above technical solution, the partition plate of the solution plays an isolating and supporting role, thereby improving the supporting force of the back movement structure. The first drive motor can drive the second coupling shaft to rotate, thereby driving the roller to rotate, making it easy to adjust the position of the mounting seat.

[0010] A second rotating connecting piece is fixedly installed on one end of the inner wall of the side of the through slot, and a servo motor is fixedly installed on the corresponding position of the inner wall of the other side of the through slot. A circular through hole is opened at the position of the partition plate corresponding to the second rotating connecting piece, and a first rotating connecting piece is arranged inside the circular through hole. A first coupling shaft is fixedly installed on the output end of the servo motor.

[0011] By adopting the above technical solution, the second rotating connecting member and the first rotating connecting member facilitate the rotation of the first coupling shaft, and the servo motor can drive the first coupling shaft to rotate.

[0012] The first coupling is inserted and installed inside the circular through hole, the end of the first coupling away from the servo motor is fixedly connected to the second rotating connecting piece, the middle part of the first coupling is fixedly connected to the first rotating connecting piece, and the first coupling is located on the outer side of the middle part of both sides of the partition plate. A cam is fixedly installed, and a plurality of protrusions are evenly distributed on the outer wall of the cam.

[0013] The above technical solution is adopted, in which the cam is fixedly connected to the outer walls on both sides of the first coupling shaft, and the cam rotates along with the first coupling shaft.

[0014] The massage mechanism includes a connecting block, a Y-shaped support arm and a massage wheel. The two sides of the bottom of the connecting block are rotatably connected to the inner walls of the through slot and the two sides of the partition plate through a rotating shaft. One side of the connecting block is tightly abutted against one side of the cam. The inner walls of the two sides of the through slot away from one end of the cam are provided with blocks. A connecting plate is fixedly installed on the bottom of the block, and the connecting plate is threadedly connected to the inner wall of the through slot through bolts.

[0015] By adopting the above technical solution, the cam rotates to squeeze the connecting block at intervals, so that the connecting block rises and falls, and the stopper plays a blocking role to prevent the connecting block from shifting.

[0016] A slot is provided on the top of the connecting block, the bottom of the Y-shaped support arm is snap-connected with the top of the connecting block, a stepper motor is fixedly installed on one side outer wall of the top of the connecting block, the output end of the stepper motor passes through the top of the connecting block and is fixedly connected to the Y-shaped support arm, a controller is fixedly installed on the top of the partition plate close to the massage mechanism, and the two stepper motors are evenly electrically connected to the controllers.

[0017] By adopting the above technical solution, the stepper motor can drive the Y-shaped arm to swing back and forth at a fixed angle and fixed speed. The controller model is S7-200PLC, and the controller can control the two stepper motors to work at the same frequency.

[0018] Massage wheels are rotatably mounted on the tops of both sides of the Y-shaped support arms, and a second drive motor is arranged on one side of the through slot near the inner wall of the massage mechanism, and the rotor is electrically connected to the second drive motor.

[0019] By adopting the above technical solution, the massage wheel of the solution rotates at a constant speed along with the rotor, and can massage people's backs.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The massage mechanism of the utility model is installed on the mounting seat, and the two sides of the mounting seat are rollingly connected with the slide grooves on the sides of the mounting frame through rollers. The top and bottom inner walls of the slide groove are provided with guide grooves, which can enable the massage mechanism to move in a directional manner on the mounting frame. The position of the back movement can be adjusted according to the height of different users, thereby improving applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a side structural diagram of the mounting seat and the massage mechanism of the utility model;

[0024] Figure 3 It is a schematic diagram of the overall side structure of the utility model;

[0025] Figure 4 It is a schematic diagram of the connection mechanism between the mounting seat and the first coupling shaft of the utility model.

[0026] In the figure: 1. mounting frame; 2. slide groove; 3. mounting seat; 4. connecting block; 5. massage wheel; 6. controller; 7. first coupling shaft; 8. cam; 9. partition plate; 10. guide groove; 11. rotor; 12. Y-shaped support arm; 13. stepping motor; 14. block; 15. connecting plate; 16. rotating shaft; 17. roller; 18. second coupling shaft; 19. first driving motor; 20. through groove; 21. servo motor; 22. round through hole; 23. first rotating connecting member; 24. second rotating connecting member; 25. massage mechanism; 26. second driving motor. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4The utility model provides a massage chair back movement structure, including two mounting frames 1 and a mounting seat 3. A slide groove 2 is opened in the middle of one side of the mounting frame 1. The top inner wall and the bottom inner wall of the slide groove 2 are both opened with guide grooves 10. Second coupling shafts 18 are inserted and installed at both ends of the bottom of the mounting seat 3. Rollers 17 are fixedly installed at both ends of the second coupling shaft 18. The rollers 17 are rollingly installed inside the slide groove 2. The top outer wall and the bottom outer wall of the roller 17 are tightly abutted against the top inner wall and the bottom inner wall of the guide groove 10 respectively, and the rollers 17 are clamped and installed inside the slide groove 2.

[0029] A through slot 20 is provided in the middle of the mounting seat 3, and a partition plate 9 is fixedly installed between the inner walls in the middle of both ends of the through slot 20. Massage mechanisms 25 and cams 8 are symmetrically arranged on both sides of the partition plate 9. A first drive motor 19 is provided in the middle of one side of the mounting seat 3, and the second coupling shaft 18 is electrically connected to the first drive motor 19. The first drive motor 19 can drive the second coupling shaft 18 to rotate, thereby driving the roller 17 to roll inside the guide groove 10.

[0030] A second rotating connecting member 24 is fixedly installed at one end of the inner wall of the side of the through slot 20, and a servo motor 21 is fixedly installed at a corresponding position of the inner wall of the other side of the through slot 20. A circular through hole 22 is opened at a position corresponding to the second rotating connecting member 24 of the partition plate 9, and a first rotating connecting member 23 is arranged inside the circular through hole 22. A first coupling shaft 7 is fixedly installed at the output end of the servo motor 21, and the servo motor 21 can drive the first coupling shaft 7 to rotate.

[0031] The first coupling shaft 7 is inserted and installed inside the circular through hole 22, and the end of the first coupling shaft 7 away from the servo motor 21 is fixedly connected to the second rotating connecting member 24, and the middle part of the first coupling shaft 7 is fixedly connected to the first rotating connecting member 23. The first coupling shaft 7 is located on the outer side of the middle part of both sides of the partition plate 9 and a cam 8 is fixedly installed. A plurality of protrusions are evenly distributed on the outer wall of the cam 8, and the cam 8 rotates with the rotation of the first coupling shaft 7.

[0032] The massage mechanism 25 includes a connecting block 4, a Y-shaped support arm 12 and a massage wheel 5. The two sides of the bottom of the connecting block 4 are rotatably connected to the inner walls of the through slot 20 and the two sides of the partition plate 9 through a rotating shaft 16. One side of the connecting block 4 is tightly abutted against one side of the cam 8. The inner walls of the two sides of the through slot 20 away from one end of the cam 8 are provided with stoppers 14. The bottom of the stopper 14 is fixedly installed with a connecting plate 15. The connecting plate 15 is threadedly connected to the inner wall of the through slot 20 through bolts. The rotation of the cam 8 can squeeze the connecting block 4 at intervals, driving the connecting block 4 to swing back and forth.

[0033] A card slot is provided at the top of the connecting block 4, and the bottom of the Y-shaped arm 12 is snap-connected with the top of the connecting block 4. A stepper motor 13 is fixedly installed on the outer wall of one side of the top of the connecting block 4, and the output end of the stepper motor 13 passes through the top of the connecting block 4 and is fixedly connected with the Y-shaped arm 12. A controller 6 is fixedly installed on the top of the partition plate 9 close to the massage mechanism 25. The two stepper motors 13 are evenly electrically connected to the controller 6, and the Y-shaped arm 12 fluctuates back and forth at a fixed angle and a fixed speed at the top of the connecting block 4 as the stepper motor 13 does.

[0034] Massage wheels 5 are rotatably mounted on the tops of both sides of the Y-shaped support arm 12 through the rotor 11. A second drive motor 26 is provided on the inner wall of one side of the through slot 20 close to the massage mechanism 25. The rotor 11 is electrically connected to the second drive motor 26, and the massage wheel 5 rotates with the rotor 11.

[0035] Working principle: When the utility model is used, the first drive motor 19 is started first, and the first drive motor 19 drives the second coupling shaft 18 to rotate, thereby driving the roller 17 to roll inside the guide groove 10, adjusting the mounting seat 3 to a suitable position, and then closing the first drive motor 19 to fix the position of the mounting seat 3, turning on the servo motor 21, the stepper motor 13 and the second drive motor 26, the servo motor 21 drives the first coupling shaft 7 to rotate, thereby driving the cam 8 to rotate and squeeze the connecting block 4 at intervals, the stepper motor 13 drives the Y-shaped support arm 12 to reciprocate back and forth at a fixed angle and a fixed speed, the second drive motor 26 drives the rotor 11 to rotate, thereby driving the massage wheel 5 to rotate, so that the massage mechanism 25 can massage the back in all aspects up and down, front and back, and the position of the massage mechanism 25 can be adjusted for people of different heights, thereby improving applicability.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A massage chair back movement structure, comprising two mounting frames (1) and a mounting seat (3), characterized in that: A slide groove (2) is provided in the middle of one side of the mounting frame (1), and guide grooves (10) are provided on the top inner wall and the bottom inner wall of the slide groove (2). Second coupling shafts (18) are inserted and installed at both ends of the bottom of the mounting seat (3), and rollers (17) are fixedly installed at both ends of the second coupling shaft (18). The rollers (17) are rollingly installed inside the slide groove (2), and the top outer wall and the bottom outer wall of the roller (17) are tightly abutted against the top inner wall and the bottom inner wall of the guide groove (10) respectively.

2. The massage chair back movement structure according to claim 1, characterized in that: A through slot (20) is provided in the middle of the mounting seat (3); a partition plate (9) is fixedly installed between the inner walls in the middle of both ends of the through slot (20); massage mechanisms (25) and cams (8) are symmetrically arranged on both sides of the partition plate (9); a first drive motor (19) is provided in the middle of one side of the mounting seat (3); and the second coupling shaft (18) is electrically connected to the first drive motor (19).

3. The massage chair back movement structure according to claim 2, characterized in that: A second rotating connecting member (24) is fixedly mounted on one end of the inner wall of the side of the through slot (20), and a servo motor (21) is fixedly mounted on a corresponding position of the inner wall of the other side of the through slot (20). A round through hole (22) is provided at a position of the partition plate (9) corresponding to the second rotating connecting member (24), a first rotating connecting member (23) is arranged inside the round through hole (22), and a first coupling shaft (7) is fixedly mounted on the output end of the servo motor (21).

4. The massage chair back movement structure according to claim 3, characterized in that: The first coupling shaft (7) is inserted and installed inside the round through hole (22); the end of the first coupling shaft (7) away from the servo motor (21) is fixedly connected to the second rotating connecting member (24); the middle part of the first coupling shaft (7) is fixedly connected to the first rotating connecting member (23); the first coupling shaft (7) is located on the outer side of the middle part of both sides of the partition plate (9) and a cam (8) is fixedly installed; the outer wall of the cam (8) is evenly distributed with a plurality of protrusions.

5. The massage chair back movement structure according to claim 2, characterized in that: The massage mechanism (25) comprises a connecting block (4), a Y-shaped support arm (12) and a massage wheel (5); the two sides of the bottom of the connecting block (4) are rotatably connected to the inner walls of the through slot (20) and the two sides of the partition plate (9) via a rotating shaft (16); one side of the connecting block (4) is tightly abutted against one side of the cam (8); the inner walls of the two sides of the through slot (20) away from one end of the cam (8) are provided with stoppers (14); the bottom of the stoppers (14) is fixedly mounted with a connecting plate (15); the connecting plate (15) is threadedly connected to the inner wall of the through slot (20) via bolts.

6. The massage chair back movement structure according to claim 5, characterized in that: A slot is provided on the top of the connecting block (4); the bottom of the Y-shaped support arm (12) is snap-connected with the top of the connecting block (4); a stepper motor (13) is fixedly mounted on an outer wall on one side of the top of the connecting block (4); an output end of the stepper motor (13) passes through the top of the connecting block (4) and is fixedly connected to the Y-shaped support arm (12); a controller (6) is fixedly mounted on the top of the partition plate (9) close to the massage mechanism (25); and the two stepper motors (13) are electrically connected to the controller (6).

7. The massage chair back movement structure according to claim 6, characterized in that: Massage wheels (5) are rotatably mounted on the tops of both sides of the Y-shaped support arm (12) through a rotor (11); a second drive motor (26) is provided on one side of the through slot (20) near the inner wall of the massage mechanism (25); and the rotor (11) is electrically connected to the second drive motor (26).

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