Massage rehabilitation device for orthopedic care

The servo motor-driven compressed air system and pressure regulating components solve the problems of uneven and unadjustable pressure in existing massage rehabilitation devices, achieving precise control of massage intensity and improved comfort.

CN115154228BActive Publication Date: 2025-09-23BEIJING JISHUITAN HOSPITAL
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Patent Information

Application Number
CN202210591952.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-05-28
Publication Date
2025-09-23
Estimated Expiration
2042-05-28

AI Technical Summary

Technical Problem

When existing massage rehabilitation devices use a compressed spring to drive the pressing head for massage, the higher the degree of compression of the spring, the greater the elastic force. It is impossible to ensure that the pressing force is consistent each time, and it cannot be accurately adjusted, resulting in poor massage effect and insufficient comfort.

Method used

A servo motor-driven compressed air system is used to adjust the pressing force of the pressing head through a pressure regulating assembly. Compressed air is used as the power source, and combined with a servo motor, high-speed bearings, limit rods and regulating gear system, precise adjustment of the pressing force and stable output are achieved.

Benefits of technology

It achieves uniformity and precise adjustment of massage intensity, improves the comfort and effect of massage, ensures consistent pressure each time, and enhances the effect of massage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a massage rehabilitation device for orthopedic care, comprising a shell assembled from two mounting covers and a pressure regulating assembly disposed inside the shell. A servo motor, a high-speed bearing, and four sleeve cylinders between four limit rods are fixed to the inner wall of the shell via support rods. A clamping disc is fixedly disposed on the power output end at the bottom of the servo motor. A connecting block is fixedly disposed at an eccentric position between the two clamping discs. A rotating block of a high-speed bearing is fixedly disposed at the center of the circle on the side of the other clamping disc. A movable ring is movably sleeved on the connecting block, and a transmission rod is fixedly disposed between the two movable rings. The fine adjustment cylinder and the coarse adjustment cylinder in the present invention move up and down at both ends of the hollow cylinder respectively. The fine adjustment cylinder and the coarse adjustment cylinder extend from the end of the hollow cylinder to squeeze out the air inside the mounting cover. The amount of air compression decreases, and the pressure of the compressed air decreases. Adjusting the position of the fine adjustment cylinder and the coarse adjustment cylinder adjusts the pressing force.
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Description

Technical Field

[0001] The present invention relates to the technical field of orthopedics, and in particular to a massage rehabilitation device for orthopedic care. Background Art

[0002] After orthopedic surgery, the surgical site needs to be fixed with plaster for several months to ensure that the reconnected bones will not be dislocated. This will allow the bones to form callus and reconnect the patient's bones. The muscles in the surgical site will atrophy due to being unable to move for several months. Massage rehabilitation devices are needed to massage the muscles to help them recover quickly.

[0003] The massage rehabilitation devices in the prior art generally use the elastic force generated by the compressed spring to drive the pressing head for pressing massage. The higher the compression degree of the spring, the greater the elastic force, which cannot ensure that the force of each pressing is consistent, resulting in poor massage effect. In addition, the precise adjustment of the pressing force makes the massage comfort and effect fail to meet the requirements. Therefore, it is necessary to provide a massage rehabilitation device that uses compressed air as power to drive the pressing head to overcome the above-mentioned defects. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem in the prior art that a pressing head is generally driven by the elastic force generated by a compressed spring to perform pressing massage. The higher the compression degree of the spring, the greater the elastic force, which cannot ensure that the force of each pressing is consistent, resulting in poor massage effect, and the problem that the precise adjustment of the pressing force makes the massage comfort and effect fail to meet the requirements, thereby proposing a massage rehabilitation device for orthopedic care.

[0005] In order to achieve the above-mentioned object, the present invention adopts the following technical scheme: a massage rehabilitation device for orthopedic care, comprising a shell assembled by two mounting covers and a pressure regulating assembly arranged inside the shell, the inner wall of the shell is fixed with a servo motor, a high-speed bearing and four sleeves in the middle of four limit rods through a support rod, a clamping disc is fixedly provided on the power output end of the bottom of the servo motor, a connecting block is fixedly provided at an eccentric position between the two clamping discs, a rotating block of the high-speed bearing is fixedly provided at the center of the circle of the side of the other clamping disc, a movable ring is movably sleeved on the connecting block, a transmission rod is fixedly provided between the two movable rings, a connecting bent rod is movably passed through the middle of the other movable ring, a compression piston of compressed air is fixedly provided on the connecting bent rod, an upper spring and a lower spring are respectively provided on the inner wall and surface of the bottom of the shell, a sliding rod is movably passed through the end of the shell, a pressure piston and a pressing sleeve are respectively fixedly provided on the top and bottom of the sliding rod, and a sponge block and a rubber sleeve are provided on the bottom of the pressing sleeve; fixed bearings are embedded on both sides of the shell, and the pressure regulating assembly adjusts the air pressure received by the pressure piston by adjusting the compression amount of the compressed air inside the shell.

[0006] Further preferably, the pressure regulating assembly includes a hollow cylinder, a latch rod, an adjusting rod, a pointer, a large bevel gear, a small bevel gear, an adjusting screw, an adjusting screw cylinder, a fine-adjusting cylinder and a coarse-adjusting cylinder. Both sides of the upper and lower openings of the hollow cylinder are fixedly provided with a latch rod inserted into the inside of the sleeve cylinder, and the top and bottom of the hollow cylinder are movably sleeved with a fine-adjusting cylinder and a coarse-adjusting cylinder respectively. The inner walls of the fine-adjusting cylinder and the coarse-adjusting cylinder are fixedly provided with an adjusting screw cylinder, and an adjusting screw is sleeved on the middle of the adjusting screw cylinder by means of a screw, and the ends of the two adjusting screws are respectively fixed with a large bevel gear and a small bevel gear, and an adjusting rod is passed through the middle of the fixed bearing, and the ends of the two adjusting rods are respectively fixed with a large bevel gear and a small bevel gear and respectively mesh with the small bevel gear and the large bevel gear at the ends of the two adjusting screws.

[0007] Further preferably, a pointer located on the side of the scale line is fixedly provided at the other end of the adjusting rod, the heights of the two adjusting rods are inconsistent, and the two adjusting rods are movable and pass through both sides of the hollow cylinder respectively.

[0008] Further preferably, there are two small bevel gears and two large bevel gears, one of the small bevel gears is meshed with one of the large bevel gears, and the other small bevel gear is meshed with the other large bevel gear, one of the small bevel gears and one of the large bevel gears is a driving gear, and the other small bevel gear and the other large bevel gear is an output gear.

[0009] Further preferably, the inner wall of the hollow cylinder is hexagonal, the fine adjustment cylinder and the coarse adjustment cylinder are both hexagonal to match the inner wall of the hollow cylinder, the large bevel gear in the fine adjustment cylinder is the output gear, and the small bevel gear in the coarse adjustment cylinder is the output gear.

[0010] Further preferably, scale lines are provided on both sides of the mounting cover, an extrusion rod is provided in the gap between the two mounting covers, the extrusion rod and the gap between the two mounting covers are bonded by glue, and the two mounting covers form a hexagonal outer shell.

[0011] Further preferably, the shapes of the pressure piston and the compression piston match the inner wall of the shell and do not contact each other, the pressure piston is integrally formed with a flange downward, and the compression piston is integrally formed with a flange upward.

[0012] Further preferably, the pressure piston and the compression piston are respectively located below and above four limit rods, and two limit rods are evenly distributed above and below the pressure regulating assembly, and the limit rods prevent the fine-tuning cylinder from contacting the compression piston.

[0013] Further preferably, the connecting block and the compression piston are movably connected through a connecting piece consisting of two movable rings and a transmission rod, the pressure regulating assembly is arranged on the fixed bearing and the sleeve cylinder, the rotating block is arranged axially along the power output end of the servo motor, and the compression piston is located inside the outer shell.

[0014] Further preferably, the hollow cylinder cannot move inside the shell through the cooperation between the latch rod and the sleeve cylinder, the length of the fine adjustment cylinder and the coarse adjustment cylinder are kept consistent, and the length of the fine adjustment cylinder and the coarse adjustment cylinder is less than the length of the adjusting screw.

[0015] The beneficial effects of the present invention are:

[0016] 1. The compression piston moves downward quickly to compress the air, causing the air pressure inside the mounting cover to rise rapidly. The pressure generated by the compressed air acts on the compressed piston to push it downward, causing the sliding rod, compressed piston, pressing sleeve, sponge block and rubber sleeve to move downward synchronously to impact the massage area of ​​the impact plate to perform pressing and massaging work. Using compressed air as the power for massage has the advantage of excellent massage effect;

[0017] 2. The fine adjustment cylinder and the coarse adjustment cylinder move up and down at both ends of the hollow cylinder respectively. The fine adjustment cylinder and the coarse adjustment cylinder extend from the end of the hollow cylinder to squeeze out the air inside the mounting cover. The air compression volume decreases, and the pressure after the air compression decreases. Conversely, the more the air compression volume increases, the greater the pressure generated after compression. By adjusting the position of the fine adjustment cylinder and the coarse adjustment cylinder, the pressing force can be adjusted, which has the advantage of adjustable pressing force.

[0018] 3. The adjusting screw of the fine-adjustment cylinder is fixed to the large bevel gear. The large bevel gear is driven by the rotation of the small bevel gear, which can reduce the speed of the output power. The adjusting screw can be slowly rotated, and the adjusting screw cylinder and the fine-adjustment cylinder can be slowly moved up and down. The position of the fine-adjustment cylinder can be accurately adjusted, and the pressing force can be accurately adjusted. It has the advantage of accurate pressing force adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of the installation cover of the present invention;

[0021] Figure 3 This is a schematic diagram of disassembling the mounting cover of the present invention;

[0022] Figure 4 A top view of the mounting cover of the present invention Figure 1 ;

[0023] Figure 5 A top view of the mounting cover of the present invention Figure 2 ;

[0024] Figure 6 is an enlarged schematic diagram of the pressure regulating assembly of the present invention;

[0025] Figure 7This is a schematic diagram of the use of the pressure regulating assembly of the present invention;

[0026] Figure 8 It is a structural schematic diagram of the transmission rod and movable ring of the present invention.

[0027] In the figure: mounting cover 1, servo motor 2, fixed bearing 3, pressure adjustment assembly 4, hollow cylinder 41, latch rod 42, adjusting rod 43, pointer 44, large bevel gear 45, small bevel gear 46, adjusting screw 47, adjusting screw cylinder 48, fine adjustment cylinder 49, coarse adjustment cylinder 410, high-speed bearing 5, clamping plate 6, rotating block 7, connecting block 8, transmission rod 9, movable ring 10, extrusion rod 11, scale line 12, sleeve cylinder 13, upper spring 14, lower spring 15, sliding rod 16, pressure piston 17, pressing sleeve 18, sponge block 19, rubber sleeve 20, compression piston 21, limit rod 22, connecting bent rod 23. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] Reference Figure 1-8 A massage rehabilitation device for orthopedic care includes a shell assembled by two mounting covers 1 and a pressure regulating assembly 4 arranged inside the shell. The inner wall of the shell is fixed with a servo motor 2, a high-speed bearing 5 and four sleeve tubes 13 in the middle of four limit rods 22 through a support rod. A clamping disk 6 is fixedly provided on the power output end at the bottom of the servo motor 2. A connecting block 8 is fixedly provided at an eccentric position between the two clamping disks 6. A rotating block 7 of the high-speed bearing 5 is fixedly provided at the center of the circle on the side of the other clamping disk 6. A movable ring 10 is movably sleeved on the connecting block 8. A transmission rod is fixedly provided between the two movable rings 10. 9. A connecting bent rod 23 is movably passed through the middle of the other movable ring 10, and a compression piston 21 of compressed air is fixedly provided on the connecting bent rod 23. An upper spring 14 and a lower spring 15 are respectively provided on the inner wall and surface of the bottom of the shell. A sliding rod 16 is movably passed through the end of the shell, and a pressure piston 17 and a pressing sleeve 18 are respectively fixed on the top and bottom of the sliding rod 16. The bottom of the pressing sleeve 18 is provided with a sponge block 19 and a rubber sleeve 20; fixed bearings 3 are embedded on both sides of the shell, and the pressure regulating assembly 4 adjusts the air pressure exerted on the pressure piston 17 by adjusting the compression amount of the compressed air inside the shell.

[0030] Preferably, the pressure regulating assembly 4 includes a hollow cylinder 41, a latch rod 42, an adjusting rod 43, a pointer 44, a large bevel gear 45, a small bevel gear 46, an adjusting screw 47, an adjusting screw cylinder 48, a fine adjustment cylinder 49 and a coarse adjustment cylinder 410. Both sides of the hollow cylinder 41 with upper and lower openings are fixedly provided with a latch rod 42 inserted into the sleeve cylinder 13. The top and bottom of the hollow cylinder 41 are movably sleeved with a fine adjustment cylinder 49 and a coarse adjustment cylinder 410. The fine adjustment cylinder 49 and the coarse adjustment cylinder 410 are respectively An adjusting screw cylinder 48 is fixedly provided on the inner wall of each section cylinder 410. An adjusting screw cylinder 48 is sleeved with an adjusting screw 47 in the middle thereof by means of a screw. A large bevel gear 45 and a small bevel gear 46 are fixedly provided at the ends of the two adjusting screws 47, respectively. An adjusting rod 43 passes through the middle of the fixed bearing 3. A large bevel gear 45 and a small bevel gear 46 are fixed at the ends of the two adjusting rods 43, respectively, and mesh with the small bevel gear 46 and the large bevel gear 45 at the ends of the two adjusting screws 47, respectively.

[0031] During specific implementation, the adjusting rod 43 is rotated to drive the large bevel gear 45 to rotate, and the large bevel gear 45 drives the small bevel gear 46 to rotate, so that the adjusting screw 47 rotates in the adjusting screw tube 48, and then the adjusting screw tube 48 and the coarse adjustment tube 410 move up and down synchronously and quickly, and the fine adjustment tube 49 and the coarse adjustment tube 410 move up and down at both ends of the hollow tube 41 respectively. The fine adjustment tube 49 and the coarse adjustment tube 410 extend from the end of the hollow tube 4 to squeeze out the air inside the mounting cover 1. The air compression amount decreases, and the pressure after the air is compressed is smaller. Conversely, the more the air is compressed, the greater the pressure generated after compression. The pressing force is adjusted by adjusting the position of the fine adjustment tube 49 and the coarse adjustment tube 410.

[0032] Preferably, the hollow cylinder 41 cannot move inside the shell through the cooperation of the latch rod 42 and the sleeve cylinder 13, the length of the fine-adjustment cylinder 49 and the coarse-adjustment cylinder 410 is consistent, the length of the fine-adjustment cylinder 49 and the coarse-adjustment cylinder 410 is less than the length of the adjusting screw 47, there are two small bevel gears 46, and there are two large bevel gears 45, one of which is meshed with one of the large bevel gears 45, and the other small bevel gear 46 is meshed with the other large bevel gear 45, one of the small bevel gears 46 and one of the large bevel gears 45 is a driving gear, and the other small bevel gear 46 and the other large bevel gear 45 is an output gear, the inner wall of the hollow cylinder 41 is hexagonal, the fine-adjustment cylinder 49 and the coarse-adjustment cylinder 410 are both hexagonal and matched with the inner wall of the hollow cylinder 41, the large bevel gear 45 in the fine-adjustment cylinder 49 is the output gear, and the small bevel gear 46 in the coarse-adjustment cylinder 410 is the output gear;

[0033] During specific implementation, the adjusting screw 47 of the fine-adjustment cylinder 49 is fixed to the large bevel gear 45, and the large bevel gear 45 is driven by the small bevel gear 46 to rotate, which can reduce the speed of the output power, and the adjusting screw 47 can be slowly rotated, so that the adjusting screw cylinder 48 and the fine-adjustment cylinder 49 can be slowly moved up and down, and the position of the fine-adjustment cylinder 49 can be accurately adjusted, and the pressing force can be accurately adjusted; the adjusting screw 47 of the coarse-adjustment cylinder 410 is fixed to the small bevel gear 46, and the small bevel gear 46 is driven by the large bevel gear 45 to rotate, which can increase the speed of the output power, and the adjusting screw 47 can be quickly rotated, so that the adjusting screw cylinder 48 and the fine-adjustment cylinder 49 can be quickly moved up and down, and the position of the coarse-adjustment cylinder 410 can be quickly adjusted, and the pressing force can be quickly adjusted.

[0034] Preferably, a pointer 44 is fixedly provided on the other end of the adjusting rod 43 and is located on the side of the scale line 12. The heights of the two adjusting rods 43 are inconsistent, so that the positions of the two small bevel gears 46 and the two large bevel gears 45 can be staggered. The two adjusting rods 43 are movable and pass through the two sides of the hollow cylinder 41 respectively. The adjusting rods 43 extend into the interior of the hollow cylinder 41, and then can be rotated to adjust the position of the adjusting screw cylinder 48 and the fine-adjustment cylinder 49.

[0035] Preferably, the two mounting covers 1 form a hexagonal outer shell, scale lines 12 are provided on both sides of the mounting covers 1, and an extrusion rod 11 is provided in the gap between the two mounting covers 1. The gap between the extrusion rod 11 and the two mounting covers 1 is bonded by glue. The extrusion rod 11 squeezes the glue in the gap between the two mounting covers 1 so that no bubbles are generated in the glue, thereby ensuring that the two mounting covers 1 are firmly bonded.

[0036] Preferably, the shapes of the pressure piston 17 and the compression piston 21 are adapted to the inner wall of the outer shell and do not contact them. The pressure piston 17 is integrally formed with a flange downward, and the compression piston 21 is integrally formed with a flange upward. The shapes of the pressure piston 17, the compression piston 21 and the outer shell prevent the pressure piston 17 and the compression piston 21 from moving inside the outer shell. The scale line 12 can accurately locate the rotation angle of the adjustment rod 43, thereby accurately adjusting the pressing force.

[0037] Preferably, the pressure piston 17 and the compression piston 21 are respectively located below and above the four limit rods 22. There are two limit rods 22 evenly distributed above and below the pressure regulating assembly 4. The limit rods 22 prevent the fine-tuning cylinder 49 from contacting the compression piston 21. There is a very small gap between the pressure piston 17 and the compression piston 21 and the inner wall of the outer shell, so that the atmospheric pressure and the air pressure inside the outer shell are kept in communication, thereby changing the compression amount of the air inside the outer shell.

[0038] Preferably, the connecting block 8 and the compression piston 21 are movably connected through a connecting piece consisting of two movable rings 10 and a transmission rod 9. The pressure regulating assembly 4 is arranged on the fixed bearing 3 and the sleeve 13. The rotating block 7 is arranged along the axial direction of the power output end of the servo motor 2. The compression piston 21 is located inside the outer shell. The servo motor 2 drives the two clamping disks 6 and the connecting block 8 to rotate, and the horizontal height of the connecting block 8 changes, so that the transmission rod 9 continuously moves back and forth up and down, and then the compression piston 21 continuously moves back and forth up and down. The compression piston 21 can continuously compress the air inside the outer shell.

[0039] The rubber sleeve 20 covers the sponge block 19 , and the elasticity of the rubber sleeve 20 and the sponge block 19 buffers the pressure, making the pressing of the rubber sleeve 20 more comfortable.

[0040] Among them, the rotating block 7 rotates in the middle of the fixed bearing 5, so that the left and right forces of the two clamping plates 6 are balanced, ensuring that the rotation of the two clamping plates 6 is more stable, and the movable rings 10 at both ends of the transmission rod 9 remain active between the connecting block 8 and the connecting bent rod 23 respectively, so that the inclination angle of the transmission rod 9 can change during the transmission process, thereby avoiding the eccentric movement of the connecting block 8 from hindering the reciprocating operation of the compression piston 21.

[0041] In the present invention, when in use, first, the two adjusting rods 43 are rotated in sequence, and one of the adjusting rods 43 is rotated to drive the large bevel gear 45 to rotate, and the large bevel gear 45 drives the small bevel gear 46 to rotate, so that the adjusting screw 47 rotates in the adjusting screw cylinder 48, and then the adjusting screw cylinder 48 and the coarse adjusting cylinder 410 are synchronously and quickly moved up and down, and the position of the coarse adjusting cylinder 410 inside the hollow cylinder 41 is adjusted. When the coarse adjusting cylinder 410 is extended to increase the air pressure inside the shell, the air inside the shell is discharged through the gap, and when the coarse adjusting cylinder 410 is extended, the air pressure inside the shell is increased, and the air inside the shell is discharged through the gap. When the air inside the shell is contracted to be less than atmospheric pressure, the outside air slowly enters the shell through the gap. Secondly, another adjusting rod 43 is rotated to accurately adjust the position of the fine-tuning cylinder 49 in the hollow cylinder 41, so as to accurately adjust the compression amount of the air inside the shell. Due to the fluidity of air, the pressure at the top of the pressure piston 17 and the bottom of the compression piston 21 are always consistent. When the air compression amount decreases, the pressure after the air is compressed becomes smaller. Conversely, the more the air is compressed, the greater the pressure generated after compression. The pressure on the top of the pressure piston 17 pushes it downward, causing the rubber sleeve 20 to press, thereby adjusting the pressing force of the rubber sleeve 20. After the adjustment is completed, the servo motor 2 drives the two clamping plates 6 and the connecting block 8 to rotate, and the horizontal height of the connecting block 8 changes. The connecting block 8 moves downward, and the connecting block 8 pushes the two movable rings 10 and the transmission rod 9 to move downward. The compression piston 21 moves downward to compress the air inside the shell. The pressure generated after the air is compressed pushes the sliding rod 16, the pressure piston 17, the pressing sleeve 18, and the sponge block 1 9 and the rubber sleeve 20 move downward synchronously, so that the rubber sleeve 20 is pressed, the upper spring 14 and the lower spring 15 are compressed, and then their elastic force pushes the sliding rod 16, the pressure piston 17, the pressing sleeve 18, the sponge block 19 and the rubber sleeve 20 to reset. At the same time, the servo motor 2 drives the two clamping plates 6 and the connecting block 8 to rotate. The height of the connecting block 8 rises, and according to the above principle, the compression piston 21 moves upward to complete the reset. The reciprocating compression piston 21 can continuously compress the air inside the shell, so that the rubber sleeve 20 is continuously pressed and massaged.

[0042] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A massage rehabilitation device for orthopedic care, comprising a housing assembled from two mounting covers (1) and a pressure regulating assembly (4) disposed inside the housing, wherein a servo motor (2), a high-speed bearing (5), and four sleeves (13) between four limit rods (22) are fixed to the inner wall of the housing via support rods, characterized in that: A clamping disc (6) is fixedly provided on the power output end at the bottom of the servo motor (2), a connecting block (8) is fixedly provided at an eccentric position between the two clamping discs (6), a rotating block (7) of a high-speed bearing (5) is fixedly provided at the center of the circle of the side of the other clamping disc (6), a movable ring (10) is movably sleeved on the connecting block (8), a transmission rod (9) is fixedly provided between the two movable rings (10), a connecting bent rod (23) is movably passed through the middle of the other movable ring (10), a compression piston (21) of compressed air is fixedly provided on the connecting bent rod (23), an upper spring (14) and a lower spring (15) are respectively provided on the inner wall and surface of the bottom of the shell, a sliding rod (16) is movably passed through the end of the shell, a pressure piston (17) and a pressing sleeve (18) are respectively fixedly provided on the top and bottom of the sliding rod (16), and a sponge block (19) and a rubber sleeve (20) are provided on the bottom of the pressing sleeve (18); Fixed bearings (3) are embedded on both sides of the housing, and the pressure regulating assembly (4) regulates the air pressure received by the pressurized piston (17) by regulating the compression amount of the compressed air inside the housing; The pressure regulating assembly (4) comprises a hollow cylinder (41), a latch rod (42), an adjusting rod (43), a pointer (44), a large bevel gear (45), a small bevel gear (46), an adjusting screw (47), an adjusting screw cylinder (48), a fine adjustment cylinder (49) and a coarse adjustment cylinder (410). The upper and lower openings of the hollow cylinder (41) are fixedly provided with a latch rod (42) inserted into the interior of the sleeve cylinder (13). The top and bottom of the hollow cylinder (41) are movably sleeved with the fine adjustment cylinder (49) and the coarse adjustment cylinder (410). The fine adjustment cylinder (49) and An adjusting screw cylinder (48) is fixedly provided on the inner wall of the coarse adjusting cylinder (410), an adjusting screw cylinder (48) is sleeved with an adjusting screw (47) in the middle of the adjusting screw cylinder (48) by means of a screw, a large bevel gear (45) and a small bevel gear (46) are fixedly provided at the ends of the two adjusting screws (47), an adjusting rod (43) is passed through the middle of the fixed bearing (3), a large bevel gear (45) and a small bevel gear (46) are fixed at the ends of the two adjusting rods (43), and the large bevel gear (45) and the small bevel gear (46) are respectively meshed with the small bevel gear (46) and the large bevel gear (45) at the ends of the two adjusting screws (47).

2. The massage rehabilitation device for orthopedic care according to claim 1, characterized in that: The other end of the adjusting rod (43) is fixedly provided with a pointer (44) located on the side of the scale line (12). The heights of the two adjusting rods (43) are inconsistent, and the two adjusting rods (43) are movable and pass through the two sides of the hollow cylinder (41).

3. The massage rehabilitation device for orthopedic care according to claim 2, characterized in that: There are two small bevel gears (46) and two large bevel gears (45), one of which is meshed with one of the large bevel gears (45), and the other small bevel gear (46) is meshed with the other large bevel gear (45). One of the small bevel gears (46) and one of the large bevel gears (45) is a driving gear, and the other small bevel gear (46) and the other large bevel gear (45) are an output gear.

4. The massage rehabilitation device for orthopedic care according to claim 3, characterized in that: The inner wall of the hollow cylinder (41) is in the shape of a hexagonal prism. The fine adjustment cylinder (49) and the coarse adjustment cylinder (410) are both in the shape of a hexagonal prism and are adapted to the inner wall of the hollow cylinder (41). The large bevel gear (45) in the fine adjustment cylinder (49) is an output gear, and the small bevel gear (46) in the coarse adjustment cylinder (410) is an output gear.

5. The massage rehabilitation device for orthopedic care according to claim 4, characterized in that: Scale lines (12) are provided on both sides of the mounting cover (1), an extrusion rod (11) is provided in the gap between the two mounting covers (1), and the gap between the extrusion rod (11) and the two mounting covers (1) is bonded by glue, so that the two mounting covers (1) form a hexagonal outer shell.

6. The massage rehabilitation device for orthopedic care according to claim 5, characterized in that: The shapes of the pressure piston (17) and the compression piston (21) are adapted to the inner wall of the housing and do not contact the housing; the pressure piston (17) is integrally formed with a flange downward, and the compression piston (21) is integrally formed with a flange upward.

7. The massage rehabilitation device for orthopedic care according to claim 6, characterized in that: The pressure piston (17) and the compression piston (21) are respectively located below and above four limit rods (22). Two limit rods (22) are evenly spaced above and below the pressure regulating assembly (4). The limit rods (22) prevent the fine-tuning cylinder (49) from contacting the compression piston (21).

8. The massage rehabilitation device for orthopedic care according to claim 7, characterized in that: The connecting block (8) and the compression piston (21) are movably connected via a connecting piece consisting of two movable rings (10) and a transmission rod (9); the pressure regulating assembly (4) is arranged on the fixed bearing (3) and the sleeve (13); the rotating block (7) is arranged along the axial direction of the power output end of the servo motor (2); and the compression piston (21) is located inside the housing.

9. The massage rehabilitation device for orthopedic care according to claim 8, characterized in that: The hollow cylinder (41) is prevented from moving inside the housing by cooperating with the latch rod (42) and the sleeve cylinder (13), and the lengths of the fine adjustment cylinder (49) and the coarse adjustment cylinder (410) are kept consistent, and the lengths of the fine adjustment cylinder (49) and the coarse adjustment cylinder (410) are less than the length of the adjusting screw (47).

Citation Information

Patent Citations

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