Deep muscle vibration device capable of being switched between axial direction and radial direction

Abstract

The utility model relates to the technical field of medical instruments, in particular to a shaft-diameter bidirectional switchable deep muscle vibration device which comprises an eccentric vibration mechanism, a power mechanism and a massage mechanism, the eccentric vibration mechanism comprises a base, a connecting shaft, an eccentric wheel and a mounting seat, one end of the connecting shaft penetrates through the base and is rotatably connected with the base, and the other end of the connecting shaft is rotatably connected with the mounting seat; the connecting shaft is fixedly sleeved with the eccentric wheel, and the eccentric wheel is rotationally sleeved with the mounting base; the power mechanism is in transmission connection with the connecting shaft, and the power mechanism is further detachably connected with the base; the massage mechanism comprises a switching arm and a massage head, one end of the switching arm is detachably connected with the mounting seat, and the other end of the switching arm is detachably connected with the massage head. According to the utility model, the strain of wrist and upper limb muscles of a therapist can be effectively reduced; meanwhile, the axial movement and the radial movement of the massage head can be effectively exchanged, different massage heads can be conveniently replaced according to different treatment parts, and the treatment effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a deep muscle vibration device with bidirectional switchable shaft diameters. Background Art

[0002] A large number of human muscle pains are caused by various muscle diseases, such as strains, lactic acid accumulation, scar tissue, etc. Among them, the deep muscle therapy device can act on the deep muscle tissue through striking and mechanical vibration, stimulating its proprioception function, which can accelerate blood circulation, relieve pain, accelerate recovery after injury, increase lymphatic return, etc. The deep muscle vibration therapy device has been widely used in rehabilitation therapy, sports training, pain management and other fields. The deep muscle vibration therapy device can help relieve muscle pain, improve muscle function, promote blood circulation, and improve athletic performance.

[0003] Existing deep muscle vibration therapy devices mostly use mechanical impact to stimulate human muscles. However, the power source of existing deep muscle vibration therapy devices is integrated with the massage head. Long-term use will cause strain on the therapist's wrists and upper limb muscles. In addition, existing deep muscle vibration therapy devices cannot achieve interchangeability between axial movement and radial movement of the massage head. For example, the Chinese utility model patent with authorization publication number CN207477677U discloses a DMS deep muscle stimulator, which uses the eccentric movement of the eccentric wheel to make the plate frame reciprocate, thereby driving the vibrating head to stimulate the treatment part. It provides longitudinal stimulation to the vibrating head, but the effect is relatively simple. Long-term use may also cause strain on the therapist's wrist and upper limb muscles; for another example, the Chinese invention patent with authorization publication number CN109009977B discloses a deep muscle stimulator, which uses a vibration motor to drive the eccentric shaft to rotate, driving two contacts to strike and beat the local treatment part of the human body. The vibration motor drives the eccentric shaft to rotate and drive the contacts to perform local striking stimulation, but its local stimulation can only vibrate in the beating direction. Summary of the Invention

[0004] In order to solve the problems that the existing deep muscle vibration therapy instrument easily causes strain on the therapist's wrist and upper limb muscles and cannot realize the interchange of axial movement and radial movement of the massage head, the utility model provides a deep muscle vibration device with bidirectional switchable axis and diameter. The power mechanism and the massage head are separated in a structure, which can effectively reduce the strain on the therapist's wrist and upper limb muscles; at the same time, it can effectively realize the interchange of axial movement and radial movement of the massage head, and it is also convenient to replace different massage heads according to different treatment parts, thereby improving the treatment effect.

[0005] To achieve the above objectives, the technical solution of the present invention is: a deep muscle vibration device with a bidirectionally switchable shaft diameter, comprising an eccentric vibration mechanism, a power mechanism, and a massage mechanism. The eccentric vibration mechanism includes a base, a connecting shaft, an eccentric wheel, and a mounting seat. One end of the connecting shaft passes through the base and is rotatably connected to the base. The eccentric wheel is fixedly mounted on the connecting shaft, and the mounting seat is rotatably mounted on the eccentric wheel. Rotation of the drive shaft can drive the eccentric wheel to rotate, so that the eccentric wheel can drive the mounting seat to perform eccentric movement. The mounting seat serves to mount the massage mechanism.

[0006] The power mechanism is in driving connection with the connecting shaft and is also detachably connected to the base. The massage mechanism includes a conversion arm and a massage head, one end of the conversion arm being detachably connected to the mounting base, and the other end of the conversion arm being detachably connected to the massage head. The power mechanism is used to drive the connecting shaft to rotate. The power mechanism and the eccentric vibration mechanism are connected as separate structures, which can effectively reduce strain on the therapist's wrist and upper limb muscles. The conversion arm enables interchangeable axial and radial movement of the massage head. When radial movement of the massage head is required, the conversion arm is removed from the mounting base and the massage head is directly connected to the mounting base, achieving the effect of interchangeable axial and radial movement of the massage head. This also facilitates replacement of the massage head according to different treatment areas.

[0007] Furthermore, an end shaft is fixedly mounted on one side of the base, and a bearing slot is formed on the other side of the base. A first bearing is disposed within the bearing slot, and the connecting shaft is rotatably connected to the base via the first bearing. The bearing slot serves to mount the first bearing, so that the connecting shaft can rotate within the base to drive the eccentric wheel to rotate.

[0008] Furthermore, a retaining ring groove is provided on the inner side wall of the bearing groove, a retaining ring is provided inside the retaining ring groove, and the retaining ring is located on the outside of the bearing; the outer side wall of the end shaft is provided with an external thread, and the retaining ring has the function of limiting the bearing.

[0009] Furthermore, one end of the connecting shaft is provided with a square groove, and the other end is provided with a step on the outside. The connecting shaft is also fixedly provided with a shoulder, which is located on the inner side of the first bearing, and the eccentric wheel is sleeved on the step. The shoulder serves to limit the bearing, and the step is used to assemble the eccentric wheel on the connecting shaft so that the connecting shaft can drive the eccentric wheel to rotate.

[0010] Furthermore, the power mechanism includes a main unit and a protective sleeve. The main unit is internally provided with a motor. One end of the protective sleeve is connected to the main unit and the other end is threadedly connected to the end shaft. A connecting shaft is internally provided within the protective sleeve. One end of the connecting shaft is connected to the output shaft of the motor, and the other end of the connecting shaft is inserted into the square groove. The protective sleeve protects the connecting shaft. By engaging the connecting shaft with the square groove at the end of the connecting shaft, the motor can drive the connecting shaft to rotate through the connecting shaft, thereby converting the rotational motion of the motor output shaft into radial motion of the mounting seat.

[0011] Furthermore, an eccentric groove is formed on the outer side of the eccentric wheel, a shaft head is fixedly installed in the eccentric groove, a nut is threadedly connected to one end of the connecting shaft, a washer is provided between the nut and the shaft head, and the washer is sleeved on the connecting shaft. The nut and the washer are used to fix the eccentric wheel so that the connecting shaft drives the eccentric wheel to rotate.

[0012] Furthermore, a second bearing is provided inside the mounting seat, and the second bearing is sleeved on the shaft head. The mounting seat is rotatably connected to the shaft head via the second bearing. The eccentric wheel drives the mounting seat to perform eccentric motion via the second bearing, thereby causing the mounting seat to drive the massage mechanism to move to vibrate and stimulate the treatment area.

[0013] Furthermore, the conversion arm is L-shaped, with a first connecting ring and a second connecting ring connected to each end of the conversion arm. The first connecting ring is threadedly connected to the mounting base, and the second connecting ring is threadedly connected to the massage head. The conversion arm can convert radial movement of the massage head into axial movement. The first and second connecting rings connect the conversion arm to the mounting base and the massage head, making it easy to remove and replace the massage head.

[0014] Through the above technical solution, the beneficial effects of the utility model are:

[0015] The utility model has a reasonable structure and good use effect. The power mechanism, eccentric vibration mechanism and massage mechanism adopt a split structure, which can effectively reduce the strain on the therapist's wrist and upper limb muscles when treating deep muscles; at the same time, it can effectively realize the interchange of axial movement and radial movement of the massage head, and it is also convenient to replace different massage heads according to different treatment parts, thereby improving the treatment effect.

[0016] The main body of the power mechanism of the utility model is respectively connected to the base and the connecting shaft through a protective soft sleeve and a connecting soft shaft, wherein the protective soft sleeve plays a protective role for the connecting soft shaft, and the connecting soft shaft cooperates with the square groove at the end of the connecting shaft so that the motor inside the main body can drive the connecting shaft to rotate through the connecting soft shaft, and the connecting shaft drives the eccentric wheel to rotate, and the eccentric wheel drives the mounting seat to perform eccentric movement, and the mounting seat drives the massage mechanism to move, so as to achieve the effect of the massage head of the massage mechanism moving to vibrate and stimulate the human muscles for treatment.

[0017] The utility model can realize the interchange of axial movement and radial movement of the massage head through the conversion arm. When the massage head needs to move radially and vibrate to stimulate the treatment part, the conversion arm is removed from the mounting base, and the massage head can be directly connected to the mounting base. The massage head can be connected to the mounting base through the conversion arm to convert the radial movement of the massage head into axial movement and vibrate to stimulate the treatment part, thereby achieving the effect that the axial movement and radial movement of the massage head can be interchangeable, which also makes it convenient to replace the massage head according to different treatment parts, thereby improving the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of the radial motion of the massage head of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the axial motion of the massage head of the utility model (excluding the power mechanism);

[0020] Figure 3 This is a schematic diagram of the structure of the eccentric vibration mechanism of the utility model Figure 1 ;

[0021] Figure 4 This is a schematic diagram of the structure of the eccentric vibration mechanism of the utility model Figure 2 ;

[0022] Figure 5 It is a structural diagram of the base of the utility model;

[0023] Figure 6 This is a structural diagram of the eccentric wheel and the mounting seat of the utility model;

[0024] Figure 7 It is a structural schematic diagram of the conversion arm of the utility model.

[0025] The numbers in the accompanying drawings are: 1 is the main unit, 2 is the protective soft cover, 3 is the base, 301 is the end shaft, 302 is the bearing groove, 303 is the bearing 1, 304 is the retaining ring, 4 is the connecting shaft, 401 is the square groove, 402 is the shaft shoulder, 5 is the eccentric wheel, 501 is the eccentric groove, 502 is the shaft head, 503 is the bearing 2, 6 is the nut, 7 is the washer, 8 is the mounting seat, 9 is the conversion arm, 901 is the connecting ring 1, 902 is the connecting ring 2, and 10 is the massage head. DETAILED DESCRIPTION

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0027] like Figures 1 to 7 As shown, a deep muscle vibration device with a bidirectionally switchable shaft diameter includes an eccentric vibration mechanism, a power mechanism, and a massage mechanism. The eccentric vibration mechanism includes a base 3, a connecting shaft 4, an eccentric wheel 5, and a mounting seat 8. One end of the connecting shaft 4 passes through the base 3 and is rotatably connected to the base 3. The eccentric wheel 5 is fixedly mounted on the connecting shaft 4, and the mounting seat 8 is rotatably mounted on the eccentric wheel 5. In this embodiment, a shaft hole for the connecting shaft 4 to pass through is opened at the center of the base 3. The diameter of the shaft hole is larger than the diameter of the connecting shaft 4. During the rotation of the connecting shaft 4, the eccentric wheel 5 can be driven to rotate, and the eccentric wheel 5 can drive the mounting seat 8 to perform eccentric movement.

[0028] The power mechanism is in transmission connection with the connecting shaft 4 and is also detachably connected to the base 3. The massage mechanism includes a conversion arm 9 and a massage head 10. One end of the conversion arm 9 is detachably connected to the mounting base 8, and the other end of the conversion arm 9 is detachably connected to the massage head 10. In this embodiment, the connecting shaft 4 is driven to rotate by the power mechanism, and the connecting shaft 4 drives the conversion arm 9 and the massage head 10 to move via the eccentric wheel 5 and the mounting base 8, so that the massage head 10 vibrates axially to stimulate the treated muscle area of ​​the human body. The conversion arm 9 is detachably connected to the massage head 10 and the mounting base 8, so that the conversion arm 9 and the massage head 10 can be removed. When the axial movement of the massage head 10 is converted into radial movement, the conversion arm 9 can be removed and the massage head 10 can be directly connected to the mounting base 8, thereby achieving the interchangeability of the axial and radial movements of the massage head 10.

[0029] An end shaft 301 is fixedly mounted on one side of the base 3, and a bearing slot 302 is defined on the other side of the base 3. A bearing 1 303 is disposed within the bearing slot 302, through which the connecting shaft 4 is rotatably connected to the base 3. In this embodiment, two bearings 1 303 are located within the bearing slot 302. The inner rings of the bearings 1 303 have an interference fit with the connecting shaft 4. The bearings 1 303 allow the connecting shaft 4 to rotate within the base 3, thereby driving the eccentric wheel 5 to rotate.

[0030] The inner wall of the bearing groove 302 defines a retaining ring groove, which houses a retaining ring 304 positioned outside the first bearing 303. The outer wall of the end shaft 301 is provided with external threads. In this embodiment, the diameter of the retaining ring groove is larger than that of the bearing groove 302. The retaining ring 304 acts as a stopper for the first bearing 303. The external threads on the end shaft 301 facilitate connection with the protective soft cover 2 of the power mechanism.

[0031] The connecting shaft 4 has a square groove 401 at one end and a step at the other end. A shoulder 402 is also fixedly mounted on the connecting shaft 4, located inside the bearing 1 303. The eccentric 5 is sleeved on the step. In this embodiment, the step provides a mounting position for the eccentric 5 on the connecting shaft 4 and also serves as a position limiter for the eccentric 5. The diameter of the shoulder 402 is larger than that of the connecting shaft 4, and the shoulder 402 acts as a stop and limiter for the bearing 1 303.

[0032] The power mechanism includes a main unit 1 and a protective soft cover 2. A motor is installed inside the main unit 1. One end of the protective soft cover 2 is connected to the main unit 1, and the other end is threadedly connected to the end shaft 301. A connecting flexible shaft is installed inside the protective soft cover 2. One end of the connecting flexible shaft is connected to the output shaft of the motor, and the other end of the connecting flexible shaft is inserted into the square groove 401. In this embodiment, a power supply for powering the motor is also installed inside the main unit 1. The cross-section of the connecting flexible shaft is a square structure so that the connecting flexible shaft can drive the connecting shaft 4 to rotate when inserted into the square groove 401. When the motor inside the main unit 1 is started, the output shaft of the motor drives the connecting flexible shaft to rotate, and the connecting flexible shaft drives the connecting shaft 4 to rotate inside the base 3.

[0033] An eccentric groove 501 is formed on the outer side of the eccentric wheel 5, and a shaft head 502 is fixedly provided in the eccentric groove 501. A nut 6 is threadedly connected to one end of the connecting shaft 4. A washer 7 is provided between the nut 6 and the shaft head 502, and the washer 7 is sleeved on the connecting shaft 4. In this embodiment, the eccentric wheel 5 and the shaft head 502 are an integrally formed structure, one end of the connecting shaft 4 is provided with an external thread, and the nut 6 is threadedly connected to the connecting shaft 4. The nut 6 and the washer 7 are used to fix the eccentric wheel 5 on the connecting shaft 4.

[0034] A second bearing 503 is provided inside the mounting seat 8, and the second bearing 503 is sleeved on the shaft head 502. The mounting seat 8 is rotatably connected to the shaft head 502 through the second bearing 503. The eccentric wheel 5 drives the mounting seat 8 to perform eccentric movement through the second bearing 503, so that the mounting seat 8 drives the massage mechanism to move to vibrate and stimulate the treatment area.

[0035] The conversion arm 9 is L-shaped, with a first connecting ring 901 and a second connecting ring 902 connected to each end. The first connecting ring 901 is threadedly connected to the mounting base 8, while the second connecting ring 902 is threadedly connected to the massage head 10. In this embodiment, the first connecting ring 901 facilitates the removal of the conversion arm 9, while the second connecting ring 902 facilitates the removal and replacement of the massage head 10. The first connecting ring 901 fits within the mounting base 8, while the second connecting ring 902 fits over the cylindrical structure at the top of the massage head 10.

[0036] The working principle of the present utility model is as follows: when the therapist treats the patient's deep muscles, the button on the main unit 1 is used to turn on the internal motor, the output shaft of the motor drives the connecting flexible shaft to rotate, the connecting flexible shaft drives the connecting shaft 4 to rotate inside the base 3, the connecting shaft 4 synchronously drives the eccentric wheel 5 to rotate, the eccentric wheel 5 drives the mounting seat 8 to move, the mounting seat 8 drives the massage head 10 to move through the conversion arm 9, and the massage head 10 moves axially to give vibration stimulation to the patient's deep muscles, thereby achieving the effect of treating the patient's deep muscle treatment area.

[0037] When it is necessary to convert the axial movement of the massage head 10 into radial movement to treat the patient's deep muscles, the therapist first turns off the motor through the main unit 1, and then rotates the connecting ring 1 901 at the end of the conversion arm 9 from the mounting seat 8, and then removes the massage head 10 from the connecting ring 2 902, and finally directly screws the massage head 10 onto the mounting seat 8; then the button on the main unit 1 is used to turn on the motor inside it, and the output shaft of the motor drives the connecting flexible shaft to rotate, and the connecting flexible shaft drives the connecting shaft 4 to rotate inside the base 3, and the connecting shaft 4 synchronously drives the eccentric wheel 5 to rotate, and the eccentric wheel 5 drives the mounting seat 8 to move, and the mounting seat 8 directly drives the massage head 10 to move, and the radial movement of the massage head 10 gives vibration stimulation to the patient's deep muscles, thereby achieving the effect of treating the patient's deep muscle treatment area.

[0038] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, any equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.

Claims

1. A deep muscle vibration device with bidirectionally switchable shaft diameter, characterized in that: The invention comprises an eccentric vibration mechanism, a power mechanism and a massage mechanism, wherein the eccentric vibration mechanism comprises a base (3), a connecting shaft (4), an eccentric wheel (5) and a mounting seat (8), one end of the connecting shaft (4) passes through the base (3) and is rotatably connected to the base (3), the eccentric wheel (5) is fixedly sleeved on the connecting shaft (4), and the mounting seat (8) is rotatably sleeved on the eccentric wheel (5); The power mechanism is in transmission connection with the connecting shaft (4), and is also detachably connected to the base (3); the massage mechanism comprises a conversion arm (9) and a massage head (10), one end of the conversion arm (9) is detachably connected to the mounting seat (8), and the other end of the conversion arm (9) is detachably connected to the massage head (10).

2. A deep muscle vibration device with bidirectional switchable shaft diameter according to claim 1, characterized in that: An end shaft (301) is fixedly provided on one side of the base (3), a bearing groove (302) is provided on the other side of the base (3), a bearing 1 (303) is provided inside the bearing groove (302), and the connecting shaft (4) is rotatably connected to the base (3) via the bearing 1 (303).

3. The deep muscle vibration device with bidirectional switchable shaft diameter according to claim 2, characterized in that: A retaining ring groove is provided on the inner side wall of the bearing groove (302), a retaining ring (304) is provided inside the retaining ring groove, and the retaining ring (304) is located outside the first bearing (303); and an outer side wall of the end shaft (301) is provided with an external thread.

4. The deep muscle vibration device with bidirectional switchable shaft diameter according to claim 3, characterized in that: One end of the connecting shaft (4) is provided with a square groove (401), and the other end is provided with a step on the outside. The connecting shaft (4) is also fixedly provided with a shaft shoulder (402), and the shaft shoulder (402) is located on the inner side of the bearing (303). The eccentric wheel (5) is sleeved on the step.

5. The deep muscle vibration device with bidirectional switchable shaft diameter according to claim 4, characterized in that: The power mechanism comprises a main unit (1) and a protective soft cover (2), wherein a motor is provided inside the main unit (1), one end of the protective soft cover (2) is connected to the main unit (1), and the other end is threadedly connected to the end shaft (301), and a connecting soft shaft is provided inside the protective soft cover (2), one end of the connecting soft shaft is connected to the output shaft of the motor, and the other end of the connecting soft shaft is inserted into the square groove (401).

6. The deep muscle vibration device with bidirectional switchable shaft diameter according to claim 1, characterized in that: An eccentric groove (501) is provided on the outer side of the eccentric wheel (5), a shaft head (502) is fixedly provided in the eccentric groove (501), a nut (6) is threadedly connected to one end of the connecting shaft (4), a washer (7) is provided between the nut (6) and the shaft head (502), and the washer (7) is sleeved on the connecting shaft (4).

7. The deep muscle vibration device with bidirectional switchable shaft diameter according to claim 6, characterized in that: A second bearing (503) is provided inside the mounting seat (8), and the second bearing (503) is sleeved on the shaft head (502). The mounting seat (8) is rotatably connected to the shaft head (502) via the second bearing (503).

8. The deep muscle vibration device with bidirectional switchable shaft diameter according to claim 1, characterized in that: The conversion arm (9) has an L-shaped structure, and the two ends of the conversion arm (9) are respectively connected to a connecting ring 1 (901) and a connecting ring 2 (902), the connecting ring 1 (901) is threadedly connected to the mounting seat (8), and the connecting ring 2 (902) is threadedly connected to the massage head (10).

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