CN114129441A

CN114129441A - Fixed auxiliary device suitable for traditional chinese medical science acupuncture

Info

Publication number: CN114129441A
Application number: CN202111488990.4A
Authority: CN
Inventors: 娜里
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-03-04

Abstract

The invention relates to the field of neurology treatment, in particular to a fixing auxiliary device suitable for traditional Chinese medicine acupuncture, which comprises a first fixing frame, a motor bracket, a first motor, a second motor, a head swing mechanism and the like; two motor supports are fixedly mounted on the inner bottom surface of the first fixing frame, a first motor is fixedly mounted on the motor support on the right side, a second motor is fixedly mounted on the motor support on the left side, and the head swing mechanism is fixedly mounted on the first fixing frame. Through the shifting block that sets up, the shifting block can be dialled patient's hair, and the medical personnel of being convenient for see patient's head acupuncture point clearly, and then the medical personnel of being convenient for fix a position patient's head acupuncture point for medical personnel can carry out the accurate positioning to the acupuncture needle according to patient's head acupuncture point.

Description

Fixed auxiliary device suitable for traditional chinese medical science acupuncture

Technical Field

The invention relates to the field of neurology treatment, in particular to a fixing auxiliary device suitable for traditional Chinese medicine acupuncture.

Background

The neurology department is a second-level subject in the neurology aspect and mainly diagnoses and treats cerebrovascular diseases, migraine, brain inflammatory diseases, trigeminal neuralgia, sciatic neuropathy, peripheral neuropathy and the like, the migraine is one of common diseases in the neurology department, and is easily stimulated by the spirits, the emotions and the like of patients to cause repeated attack, so that the work progress and the life quality of the patients can be seriously affected, and the physiological and psychological health of the patients are greatly damaged.

Traditional migraine headache attack phase treatment includes oral analgesic, vasoconstrictor, traditional chinese medical science traditional chinese medicine, acupuncture, massage, physical therapy etc. wherein adopt acupuncture to treat, need rely on medical personnel to carry out the proficiency of acupuncture to patient's head, if medical personnel are difficult to accurate location patient's head acupuncture point in operation process, it is not convenient for carry out accurate positioning to the acupuncture needle according to patient's head acupuncture point, and if can't fix patient's head in operation process, when acupuncture causes the amazing to patient's head, can lead to patient's head to appear stinging sense, the head probably takes place the skew, lead to the acupuncture position to take place the skew.

Disclosure of Invention

How to design a fixed auxiliary device suitable for traditional chinese medicine acupuncture that can adjust patient's head position, can pinpoint the acupunture needle according to patient's head acupuncture point, can be fixed with patient's head becomes the problem that will solve at present.

In order to achieve the above object, the present invention provides a fixing auxiliary device for acupuncture and moxibustion in traditional Chinese medicine, including a first fixing frame, two motor brackets, a first motor and a second motor, wherein the bottom surface of the first fixing frame is fixedly installed with the two motor brackets, the motor bracket on the right side is fixedly installed with the first motor, the motor bracket on the left side is fixedly installed with the second motor, and the fixing auxiliary device further includes:

the head swing mechanism is fixedly arranged on the first fixing frame and is used for adjusting the position of the head of the patient;

the headrest is arranged on part of the head swing mechanism and used for limiting the head of the patient; the fixing mechanisms are symmetrically arranged on the headrest and used for fixing the head of the patient;

an acupuncture section of thick bamboo mechanism has placed an acupuncture section of thick bamboo mechanism on the first mount, and an acupuncture section of thick bamboo mechanism is used for carrying out accurate positioning to the acupunture needle according to patient's head acupuncture point, and an acupuncture section of thick bamboo mechanism has placed the cylinder including cylinder, shifting block and ring on the first mount, and the rotation type is connected with two shifting blocks on the cylinder, cylinder left side fixedly connected with ring.

Preferably, the head swing mechanism comprises a driving bevel gear, a second fixing frame, a driven bevel gear, a fixed bevel gear and a head upward-pitching device, wherein one ends of output shafts of a first motor and a second motor are fixedly connected with the driving bevel gear, the second fixing frame is symmetrically and fixedly installed on the inner bottom surface of the first fixing frame, the second fixing frame is rotatably connected with the driven bevel gear, the driven bevel gear on the same side is meshed with the driving bevel gear, the driven bevel gear is fixedly connected with the fixed bevel gear, and the head upward-pitching device is fixedly installed on the first fixing frame.

Preferably, the head upward-facing device comprises a guide arc-shaped frame, a sliding block, a rotating shaft and a swinging bevel gear, the guide arc-shaped frame is fixedly installed on a first fixing frame, the sliding block is connected onto the guide arc-shaped frame in a sliding mode, the rotating block is connected with the rotating shaft in a rotating mode, a headrest is welded at the front end of the rotating shaft, the swinging bevel gear is welded on the rotating shaft, and the two fixing bevel gears are all meshed with the swinging bevel gear.

Preferably, the fixing mechanism comprises fixing rings, a screw rod, a nut, a rotating handle, a third fixing frame and a tight fitting device, the two fixing rings are fixedly connected in the headrest, the fixing rings are connected with the screw rod in a sliding mode, the screw rod is connected with the nut in a threaded connection mode, the nut is fixedly connected with the rotating handle, the third fixing frame is welded on the screw rod, and the tight fitting device is connected on the third fixing frame in a sliding mode.

Preferably, the close attaching device comprises a sliding soft board and a first return spring, the sliding soft board is connected to the third fixing frame in a sliding mode, and the first return spring is connected between the sliding soft board and the third fixing frame.

Preferably, the soft sliding plate is made of synthetic rubber, has high elasticity, and is closely attached to the cheek of a patient to fix the head of the patient so as to ensure the comfort of the patient.

Preferably, the needle rotating mechanism comprises an auxiliary needle rotating mechanism, the circular ring is provided with the auxiliary needle rotating mechanism, the auxiliary needle rotating mechanism comprises a sliding frame, a rotating block, a second reset spring and a fixed handle, the sliding frame is symmetrically and slidably connected to the circular ring, the rotating block is slidably connected to the sliding frame, the rotating block is slidably connected to the circular ring, the second reset spring is connected between the sliding frame and the needle cylinder, the fixed handle is fixedly connected to the rotating block, and the fixed handle is slidably connected to the circular ring.

As the preferred, fixed handle is the cylinder shaft shape, and the medical personnel of being convenient for hold and rotate, reach laborsaving effect when carrying out the acupuncture to patient's head.

Preferably, still including anti-shake mechanism, the rigid coupling has anti-shake mechanism on the third mount, and anti-shake mechanism is including dead lever, elastic webbing, fixed block and chin support frame, fixedly connected with dead lever on the third mount, fixedly connected with elastic webbing on the dead lever, fixedly connected with fixed block on the elastic webbing, the common chin support frame that is connected with on two fixed blocks.

The invention has the following beneficial effects:

1. through the guide effect of the guide arc-shaped frame, when the two motors are driven reversely, the sliding block and the device on the sliding block can slide upwards or downwards along the guide arc-shaped frame, and the headrest can drive the head of the patient to swing forwards or backwards, so that the head of the patient is lowered or tilted upwards by the patient, and the aim of adjusting the head position of the patient is fulfilled.

2. Through the shifting block that sets up, the shifting block can be dialled patient's hair, and the medical personnel of being convenient for see patient's head acupuncture point clearly, and then the medical personnel of being convenient for fix a position patient's head acupuncture point for medical personnel can carry out the accurate positioning to the acupuncture needle according to patient's head acupuncture point.

3. Medical personnel are through rotating fixed handle to make the acupunture needle rotate with this and realize carrying out the purpose of acupuncture to the patient, the medical personnel of being convenient for reach laborsaving effect when carrying out the acupuncture to patient's head.

4. Through the elastic action of elastic webbing, elastic webbing can stimulate chin support frame and patient chin when patient head is faced upward or is low and closely laminate for the chin support frame holds patient chin all the time, avoids receiving the amazing emergence beat at acupuncture in-process patient head, thereby avoids the acupuncture position to take place the skew.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a schematic perspective view of the head swing mechanism of the present invention.

Fig. 4 is a schematic perspective view of a part of the head swing mechanism of the present invention.

Fig. 5 is a partial perspective view of the fixing mechanism of the present invention.

Fig. 6 is a schematic perspective view of the fixing mechanism of the present invention.

Fig. 7 is a partial perspective view of the acupuncture barrel mechanism of the present invention.

Fig. 8 is a perspective view of the mechanism of the acupuncture barrel of the present invention.

Fig. 9 is a schematic sectional perspective view of the acupuncture barrel mechanism and the auxiliary needle rotating mechanism according to the present invention.

Fig. 10 is a schematic perspective view of the anti-shake mechanism of the present invention.

Description of reference numerals: 1-a first fixed frame, 2-a motor bracket, 3-a first motor, 4-a second motor, 5-a head swing mechanism, 51-a driving bevel gear, 52-a second fixed frame, 53-a driven bevel gear, 54-a fixed bevel gear, 55-a guide arc frame, 56-a slide block, 57-a rotating shaft, 58-a swing bevel gear, 6-a headrest, 7-a fixed mechanism, 71-a fixed ring, 72-a screw rod, 73-a nut, 74-a rotating handle, 75-a third fixed frame, 76-a sliding soft plate, 77-a first return spring, 8-an acupuncture barrel mechanism, 81-a needle barrel, 82-a shifting block, 83-a circular ring, 9-an auxiliary needle rotating mechanism, 91-a sliding frame, 92-a rotating block, 93-a second return spring, 94-a fixed handle, 10-an anti-shake mechanism, 101-a fixed rod, 102-an elastic belt, 103-a fixed block and 104-a chin support frame.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Example 1

A fixing auxiliary device suitable for Chinese medicine acupuncture and moxibustion is shown in figures 1 to 9 and comprises a first fixing frame 1, a motor bracket 2, a first motor 3 and a second motor 4, head swing mechanism 5, the headrest 6, fixed establishment 7 and an acupuncture section of thick bamboo mechanism 8, bottom fixed mounting has two motor support 2 in the first mount 1, fixed mounting has first motor 3 on the motor support 2 on right side, fixed mounting has second motor 4 of driving usefulness on the left motor support 2, 5 fixed mounting of head swing mechanism is on first mount 1, 5 head swing mechanisms are used for adjusting patient head position, be provided with on 5 partial parts of head swing mechanism and be used for carrying out spacing headrest 6 to patient's head, the symmetry is provided with fixed establishment 7 on headrest 6, fixed establishment 7 is used for fixing patient's head, an acupuncture section of thick bamboo mechanism 8 has been placed on first mount 1.

The head swing mechanism 5 comprises a driving bevel gear 51, a second fixed frame 52, a driven bevel gear 53, a fixed bevel gear 54, a guide arc frame 55, a slide block 56, a rotating shaft 57 and a swing bevel gear 58, the equal rigid coupling in first motor 3 and the equal rigid coupling in second motor 4 output shaft one end of motor has drive bevel gear 51, second mount 52 symmetry fixed mounting is bottom surface in first mount 1, the last rotation type of second mount 52 is connected with driven bevel gear 53, homonymy driven bevel gear 53 meshes with drive bevel gear 51, the rigid coupling has fixed bevel gear 54 on the driven bevel gear 53, direction arc frame 55 fixed mounting is on first mount 1, the last rotation type of direction arc frame 55 is connected with slider 56, the last rotation type of slider 56 is connected with axis of rotation 57, axis of rotation 57 front end rigid coupling has headrest 6, the rigid coupling has swing bevel gear 58 on axis of rotation 57, two fixed bevel gear 54 all mesh with swing bevel gear 58.

The fixing mechanism 7 comprises a fixing ring 71, a screw 72, a nut 73, a rotating handle 74, a third fixing frame 75, a sliding soft plate 76 and a first reset spring 77, two fixing rings 71 are fixedly connected in the headrest 6, the screw 72 is slidably connected to the fixing rings 71, the nut 73 is connected to the screw 72 in a threaded connection mode, the rotating handle 74 convenient to adjust is fixedly connected to the nut 73, the third fixing frame 75 is welded to the screw 72, the sliding soft plate 76 used for limiting the head of a patient is slidably connected to the third fixing frame 75, and the first reset spring 77 is connected between the sliding soft plate 76 and the third fixing frame 75.

The acupuncture barrel mechanism 8 comprises a needle cylinder 81, a shifting block 82 and a circular ring 83, the needle cylinder 81 used for placing an acupuncture needle is placed on the first fixing frame 1, the needle cylinder 81 is connected with the two shifting blocks 82 in a rotating mode, the shifting blocks 82 are used for shifting the hair of a patient, and the circular ring 83 is fixedly connected to the left side of the needle cylinder 81.

This equipment is installed on the medical chair, the patient sits on the medical chair, make patient's head and headrest 6 contact, when needs adjust patient's head position, medical personnel's first motor 3 of manual control and the anticlockwise rotation of second motor 4 output shaft, first motor 3 output shaft and second motor 4 output shaft drive bevel gear 51 anticlockwise rotation, drive bevel gear 51 on right side drives driven bevel gear 53 and fixed bevel gear 54 anticlockwise rotation, left drive bevel gear 51 drives driven bevel gear 53 and fixed bevel gear 54 clockwise rotation, make two fixed bevel gear 54 drive swing bevel gear 58 and the last device anticlockwise rotation, make headrest 6 drive patient's head beat left. Medical personnel can first motor 3 of manual control and the clockwise rotation of second motor 4 output shaft, first motor 3 output shaft and second motor 4 output shaft drive bevel gear 51 clockwise, drive bevel gear 51 on right side drives driven bevel gear 53 and fixed bevel gear 54 clockwise, left drive bevel gear 51 drives driven bevel gear 53 and fixed bevel gear 54 anticlockwise, make two fixed bevel gear 54 drive swing bevel gear 58 and the last device clockwise rotation, make headrest 6 drive patient's head yaw right.

Then the medical staff manually controls the clockwise rotation of the output shaft of the first motor 3, the counterclockwise rotation of the output shaft of the second motor 4, the output shaft of the first motor 3 drives the right-side driving bevel gear 51 to rotate clockwise, the output shaft of the second motor 4 drives the left-side driving bevel gear 51 to rotate counterclockwise, the right-side driving bevel gear 51 drives the driven bevel gear 53 and the fixed bevel gear 54 to rotate clockwise, the left-side driving bevel gear 51 drives the driven bevel gear 53 and the fixed bevel gear 54 to rotate clockwise, so that the two fixed bevel gears 54 drive the swinging bevel gear 58 and the upper device thereof to slide downwards along the guiding arc-shaped frame 55, and the headrest 6 drives the head of the patient to swing backwards, so that the head of the patient faces upwards. Medical personnel can the first motor 3 output shaft anticlockwise rotation of manual control, the output shaft clockwise rotation of second motor 4, first motor 3 output shaft drives the drive bevel gear 51 anticlockwise rotation on right side, the output shaft of second motor 4 drives left drive bevel gear 51 clockwise rotation, the drive bevel gear 51 on right side drives driven bevel gear 53 and fixed bevel gear 54 anticlockwise rotation, left drive bevel gear 51 drives driven bevel gear 53 and fixed bevel gear 54 anticlockwise rotation, make two fixed bevel gear 54 drive swing bevel gear 58 and the last device upwards slide along direction arc frame 55, headrest 6 drives patient's head and swings forward, make the patient low with the head. After the adjustment is finished, the medical staff manually closes the first motor 3 and the second motor 4, so that the equipment stops operating.

The medical staff rotates and rotates the handle 74, and the two screw rods 72 and the devices thereon move oppositely under the action of the nut 73, so that the sliding soft board 76 fixes the head of the patient, and the medical staff can accurately position the acupuncture points on the head of the patient. Then, the medical staff takes out the needle cylinder 81 and the device on the needle cylinder from the first fixing frame 1 and places the needle cylinder at the head position of the patient needing acupuncture, when the head of the patient contacts with the shifting block 82, the head of the patient pushes the shifting block 82 to swing relatively, so that the shifting block 82 shifts the hair of the patient, the medical staff can clearly see the head acupuncture points of the patient, and the medical staff can accurately position the acupuncture needle according to the head acupuncture points of the patient.

Example 2

In addition to embodiment 1, as shown in fig. 8 to 9, the acupuncture device further includes an auxiliary rotating mechanism 9, the ring 83 is provided with the auxiliary rotating mechanism 9, the auxiliary rotating mechanism 9 is used for rotating an acupuncture needle to achieve an acupuncture effect on a patient, the auxiliary rotating mechanism 9 includes a sliding frame 91, a rotating block 92, a second return spring 93 and a fixed handle 94, the sliding frame 91 is symmetrically and slidably connected to the ring 83, the rotating block 92 is slidably connected to the sliding frame 91, the rotating block 92 is used for clamping the acupuncture needle, the rotating block 92 is slidably connected to the ring 83, the second return spring 93 for returning is connected between the sliding frame 91 and the needle cylinder 81, the fixed handle 94 is fixedly connected to the rotating block 92, and the fixed handle 94 is slidably connected to the ring 83.

Then, the medical staff inserts the acupuncture needle into the head of the patient through the needle cylinder 81, the medical staff manually presses the sliding rack 91 to move in opposite directions, so that the two rotating blocks 92 clamp the acupuncture needle, and then the medical staff rotates the fixed handle 94, so that the fixed handle 94 drives the rotating blocks 92 and the acupuncture needle to rotate, thereby achieving the effect of acupuncture on the patient.

Example 3

On the basis of embodiment 1, as shown in fig. 10, the acupuncture device further includes an anti-shake mechanism 10, the anti-shake mechanism 10 is fixedly connected to the third fixing frame 75, the anti-shake mechanism 10 is used for preventing the head of a patient from deflecting due to stimulation in the acupuncture process, the anti-shake mechanism 10 includes a fixing rod 101, an elastic band 102, a fixing block 103 and a chin support frame 104, the fixing rod 101 is fixedly connected to the third fixing frame 75, the elastic band 102 is fixedly connected to the fixing rod 101, the fixing block 103 is fixedly connected to the elastic band 102, the two fixing blocks 103 are commonly connected to the chin support frame 104, and the chin support frame 104 is used for supporting the chin of the patient.

When the patient uses this equipment, chin support frame 104 can support the patient chin, and when headrest 6 drove the patient head forward or during the backward swing, headrest 6 can drive third mount 75 and the device swing on it, and through the effect of elastic webbing 102, elastic webbing 102 can stimulate chin support frame 104 and the inseparable laminating of patient chin for chin support frame 104 holds in the palm the patient chin all the time, avoids receiving the amazing emergence beat at acupuncture in-process patient head.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a fixed auxiliary device suitable for traditional chinese medical science acupuncture, including first mount (1), motor support (2), first motor (3) and second motor (4), bottom fixed mounting has two motor support (2) in first mount (1), and fixed mounting has first motor (3) on motor support (2) on right side, and fixed mounting has second motor (4) on left motor support (2), its characterized in that still including:

the head swing mechanism (5), the head swing mechanism (5) is fixedly installed on the first fixing frame (1), and the head swing mechanism (5) is used for adjusting the position of the head of the patient;

the part of the head swing mechanism (5) is provided with a headrest (6), and the headrest (6) is used for limiting the head of a patient;

the fixing mechanisms (7) are symmetrically arranged on the headrest (6), and the fixing mechanisms (7) are used for fixing the head of a patient;

acupuncture section of thick bamboo mechanism (8), placed acupuncture section of thick bamboo mechanism (8) on first mount (1), acupuncture section of thick bamboo mechanism (8) are used for pinpointing the acupunture needle according to patient's head acupuncture point, and acupuncture section of thick bamboo mechanism (8) are including cylinder (81), shifting block (82) and ring (83), have placed cylinder (81) on first mount (1), and the last rotation type of cylinder (81) is connected with two shifting blocks (82), cylinder (81) left side fixedly connected with ring (83).

2. The fixing auxiliary device for acupuncture and moxibustion in traditional Chinese medicine according to claim 1, wherein the head swing mechanism (5) comprises a driving bevel gear (51), a second fixing frame (52), a driven bevel gear (53), a fixed bevel gear (54) and a head pitch-up device, one end of the output shaft of the first motor (3) and one end of the output shaft of the second motor (4) are fixedly connected with the driving bevel gear (51), the second fixing frame (52) is symmetrically and fixedly installed on the inner bottom surface of the first fixing frame (1), the second fixing frame (52) is rotatably connected with the driven bevel gear (53), the driven bevel gear (53) on the same side is meshed with the driving bevel gear (51), the driven bevel gear (53) is fixedly connected with the fixed bevel gear (54), and the head pitch-up device is fixedly installed on the first fixing frame (1).

3. The fixing auxiliary device suitable for the acupuncture and moxibustion in the traditional Chinese medicine according to claim 1 or 2, wherein the head tilting device comprises a guide arc-shaped frame (55), a sliding block (56), a rotating shaft (57) and a swinging bevel gear (58), the guide arc-shaped frame (55) is fixedly installed on the first fixing frame (1), the sliding block (56) is connected onto the guide arc-shaped frame (55) in a sliding manner, the rotating shaft (57) is connected onto the sliding block (56) in a rotating manner, the headrest (6) is welded at the front end of the rotating shaft (57), the swinging bevel gear (58) is welded onto the rotating shaft (57), and the two fixing bevel gears (54) are meshed with the swinging bevel gear (58).

4. The fixing auxiliary device suitable for acupuncture and moxibustion in traditional Chinese medicine according to claim 1, characterized in that the fixing mechanism (7) comprises two fixing rings (71) fixedly connected in the headrest (6), a screw (71), a nut (73), a rotating handle (74), a third fixing frame (75) and a tight fitting device, the screw (72) is slidably connected on the fixing rings (71), the nut (73) is connected on the screw (72) in a threaded connection manner, the rotating handle (74) is fixedly connected on the nut (73), the third fixing frame (75) is welded on the screw (72), and the tight fitting device is slidably connected on the third fixing frame (75).

5. The fixing auxiliary device for acupuncture and moxibustion in traditional Chinese medicine according to claim 4, wherein the close-fitting device comprises a sliding soft plate (76) and a first return spring (77), the sliding soft plate (76) is slidably connected to the third fixing frame (75), and the first return spring (77) is connected between the sliding soft plate (76) and the third fixing frame (75).

6. The fixing auxiliary device for acupuncture and moxibustion in traditional Chinese medicine according to claim 5, wherein the sliding soft plate (76) is made of synthetic rubber, the sliding soft plate (76) has high elasticity, and the sliding soft plate (76) is closely attached to the cheek of the patient and fixed to the head of the patient for ensuring the comfort of the patient.

7. The fixing auxiliary device suitable for acupuncture and moxibustion in traditional Chinese medicine according to claim 1, further comprising an auxiliary needle rotating mechanism (9), wherein the auxiliary needle rotating mechanism (9) is arranged on the ring (83), the auxiliary needle rotating mechanism (9) comprises a sliding frame (91), a rotating block (92), a second return spring (93) and a fixed handle (94), the sliding frame (91) is symmetrically and slidably connected to the ring (83), the rotating block (92) is slidably connected to the sliding frame (91), the rotating block (92) is slidably connected to the ring (83), the second return spring (93) is connected between the sliding frame (91) and the needle cylinder (81), the fixed handle (94) is fixedly connected to the rotating block (92), and the fixed handle (94) is slidably connected to the ring (83).

8. The fixing auxiliary device for traditional Chinese medicine acupuncture and moxibustion according to claim 7, characterized in that the fixing handle (94) is in the shape of a cylindrical rod, which is convenient for medical staff to hold and rotate, and saves labor when acupuncture is performed on the head of a patient.

9. The fixing auxiliary device for acupuncture and moxibustion in traditional Chinese medicine according to claim 4, further comprising an anti-shake mechanism (10), wherein the anti-shake mechanism (10) is fixedly connected to the third fixing frame (75), the anti-shake mechanism (10) comprises a fixing rod (101), an elastic band (102), a fixing block (103) and a chin support frame (104), the fixing rod (101) is fixedly connected to the third fixing frame (75), the elastic band (102) is fixedly connected to the fixing rod (101), the fixing block (103) is fixedly connected to the elastic band (102), and the chin support frame (104) is commonly connected to the two fixing blocks (103).