CN113332123A

CN113332123A - Percussion device of vibration percussion sputum excretion machine with adjustable amplitude

Info

Publication number: CN113332123A
Application number: CN202110630247.1A
Authority: CN
Inventors: 汪锐; 冯灵; 何月月
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-09-03
Anticipated expiration: 2041-06-07
Also published as: CN113332123B

Abstract

The invention discloses an amplitude-adjustable percussion device of a vibration percussion sputum excretion machine, and relates to the field of vibration percussion sputum excretion machines. The percussion device of the amplitude-adjustable vibration percussion sputum excretion machine comprises a rotating shaft, a handheld sleeve, a bearing, a percussion head and an amplitude adjusting mechanism; the rotating shaft comprises a rotating shaft main body, a positioning disc and a guide square shaft which are coaxially arranged from back to front in sequence; the handheld sleeve is sleeved outside the rotating shaft main body, and a bearing is arranged between the handheld sleeve and the rotating shaft main body; the tapping head is provided with a rectangular hole, two end faces of the rectangular hole are provided with U-shaped grooves with semicircular end parts, the tapping head is sleeved on the guide square shaft and attached to the positioning disc, and the rectangular hole is matched with the guide square shaft; amplitude adjustment mechanism is located inside the head is strikeed to the square shaft, and amplitude adjustment mechanism is connected with the direction square shaft, and amplitude adjustment mechanism can adjust the amplitude of strikeeing the head. The amplitude of the percussion device is adjusted, so that the invention is suitable for people of different ages and physical conditions, the percussion device does not need to be replaced, and the application range is wide.

Description

Percussion device of vibration percussion sputum excretion machine with adjustable amplitude

Technical Field

The invention relates to the field of vibration percussion sputum excretion machines, in particular to an amplitude-adjustable vibration percussion sputum excretion machine percussion device.

Background

The vibration percussion sputum excretion machine comprises a host and a percussion device, wherein the percussion device is connected with the host through a flexible shaft and comprises an eccentric shaft. The motor in the main machine generates rotary motion, the flexible shaft transmits the rotary motion to the eccentric shaft, and the eccentric shaft rotates to generate vibration. The percussion device is pressed close to the human body, and the vibration generated by the rotation of the eccentric shaft enables the percussion device to percussion the human body, thereby enabling the sputum staying in the lung or the deeper layer to vibrate and facilitating the sputum discharge.

The main operating parameters of the rapper are frequency and amplitude. The Chinese people's republic of China medical industry standard YY/T1665-2019 points out: the vibration frequency of the percussion device is set to be 10Hz to 50Hz for adult type and 10Hz to 30Hz for children type; if the rapping device amplitude is greater than 7mm, the corresponding position is marked and the instructions inform about possible risks and precautions. The plexor should have different operating parameters for adults or children, better or weaker, and may use higher frequencies and amplitudes for adults or better, and lower frequencies and amplitudes for children or weaker. The vibration frequency parameter can be adjusted by setting the output rotating speed of the motor by the host. However, for the amplitude, the existing percussion device cannot be adjusted and can only be replaced, so that the operation is complicated; and a plurality of percussion devices are required, so that the cost is high.

The sputum excretion machines disclosed in patent ZL201020647872.4, 201610289066.6 and the like have percussion devices, but the amplitude of the percussion devices cannot be adjusted.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: provides a percussion device of an amplitude-adjustable vibration percussion sputum excretion machine.

The technical scheme adopted for solving the technical problems is as follows: the percussion device of the amplitude-adjustable vibration percussion sputum excretion machine comprises a rotating shaft, a handheld sleeve, a bearing, a percussion head and an amplitude adjusting mechanism; the rotating shaft comprises a rotating shaft main body, a positioning disc and a guide square shaft which are coaxially arranged from back to front in sequence; the handheld sleeve is sleeved outside the rotating shaft main body, and a bearing is arranged between the handheld sleeve and the rotating shaft main body; the tapping head is provided with a rectangular hole, two end faces of the rectangular hole are provided with U-shaped grooves with semicircular end parts, the tapping head is sleeved on the guide square shaft and attached to the positioning disc, and the rectangular hole is matched with the guide square shaft; the amplitude adjusting mechanism is positioned in the knocking head and comprises a central square block, an adjusting rod, a locking nut and two positioning discs; the central square block is connected with the guide square shaft, and a guide hole and an adjusting hole which are coaxially arranged are formed in the central square block; the adjusting rod comprises an adjusting screw rod and a guide polished rod which are coaxially arranged, the adjusting rod penetrates through the central square block, the guide polished rod is matched with the guide hole, and the adjusting screw rod is in threaded connection with the adjusting hole; the locking nut is in threaded connection with the adjusting screw and abuts against the central square block; the two positioning disks are respectively connected to two ends of the adjusting rod, the surfaces of the positioning disks are attached to the bottom surface of the U-shaped groove, and the side surfaces of the positioning disks are attached to the semicircular end surfaces of the U-shaped groove.

Further, the method comprises the following steps: the percussion head comprises a hard inner sleeve and an elastic sleeve sleeved on the hard inner sleeve.

Further, the method comprises the following steps: the percussion device of the vibration percussion sputum excretion machine with adjustable amplitude comprises a front end cover, the front end cover is detachably connected with the percussion head, and the front end cover covers the rectangular hole.

Further, the method comprises the following steps: the positioning plate covers the rectangular hole.

Further, the method comprises the following steps: the adjusting rod is provided with a wrench adapting structure.

The invention has the beneficial effects that: 1. the invention can realize the amplitude adjustment of the percussion head. The amplitude of the percussion device is adjusted, so that the invention is suitable for people of different ages and physical conditions, the percussion device does not need to be replaced, the application range is wide, the adjustment operation is simple, only one vibration percussion sputum excretion machine is provided with the percussion device, and the cost can be reduced.

2. The invention has simple structure and convenient amplitude adjustment.

Drawings

FIG. 1 is a front view of a percussion device of an amplitude adjustable vibration percussion sputum excretion machine;

FIG. 2 is a partially enlarged view of the percussion device of the vibration percussion sputum excretion machine with adjustable amplitude;

FIG. 3 is a right side view of the percussion device of the amplitude adjustable vibration percussion sputum excretion machine (with the front end cover removed);

FIG. 4 is a cross-sectional view A-A of FIG. 1;

labeled as: the device comprises a rotating shaft 1, a rotating shaft main body 11, a positioning disc 12, a guide square shaft 13, a handheld sleeve 2, a bearing 3, an amplitude adjusting mechanism 4, a central block 41, a guide hole 411, an adjusting hole 412, an adjusting rod 42, a guide polished rod 421, an adjusting screw 422, a wrench adapting structure 423, a positioning disc 43, a locking nut 44, a knocking head 5, a hard inner sleeve 51, an elastic sleeve 52, a rectangular hole 53, a U-shaped groove 54, a front end cover 6 and a flexible shaft 7.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in fig. 1 to 4, the percussion device of the amplitude-adjustable vibration percussion sputum excretion machine comprises a rotating shaft 1, a handheld sleeve 2, a bearing 3, a percussion head 5 and an amplitude adjusting mechanism 4; the rotating shaft 1 comprises a rotating shaft main body 11, a positioning disc 12 and a guide square shaft 13 which are coaxially arranged from back to front in sequence; the handheld sleeve 2 is sleeved outside the rotating shaft main body 11, and the bearing 3 is arranged between the handheld sleeve 2 and the rotating shaft main body 11; the tapping head 5 is provided with a rectangular hole 53, two end faces of the rectangular hole 53 are provided with U-shaped grooves 54 with semicircular end parts, the tapping head 5 is sleeved on the guide square shaft 13 and attached to the positioning disc 12, and the rectangular hole 53 is matched with the guide square shaft 13; the amplitude adjusting mechanism 4 is positioned inside the knocking head 5, and the amplitude adjusting mechanism 4 comprises a central block 41, an adjusting rod 42, a locking nut 44 and two positioning discs 43; the central block 41 is connected with the guide square shaft 13, and the central block 41 is provided with a guide hole 411 and an adjusting hole 412 which are coaxially arranged; the adjusting rod 42 comprises an adjusting screw 422 and a guide polished rod 421 which are coaxially arranged, the adjusting rod 42 penetrates through the central block 41, the guide polished rod 421 is matched with the guide hole 411, and the adjusting screw 422 is in threaded connection with the adjusting hole 412; the locking nut 44 is in threaded connection with the adjusting screw 422 and abuts against the central block 41; the two positioning disks 43 are respectively connected to two ends of the adjusting rod 42, the surface of the positioning disk 43 is attached to the bottom surface of the U-shaped groove 54, and the side surface of the positioning disk 43 is attached to the semicircular end surface of the U-shaped groove 54.

Referring to fig. 1 to 4, in the left and right directions of the present invention, the rectangular hole 53 is engaged with the guide square shaft 13; in the up-down direction, the bottom of the U-shaped groove 54 is attached to the positioning disc 43; in the front-rear direction, the rear surface of the percussion head 5 is attached to the positioning disk 12, and the semicircular end surface of the U-shaped groove 54 is attached to the rear side surface of the positioning disk 43. The positioning of the percussion head 5 is realized, and the percussion head 5 can not move and swing relative to the rotating shaft 1 when the percussion device of the vibration percussion sputum excretion machine works, so that the percussion head can work normally. The above effects can be achieved by ensuring the manufacturing accuracy of each component. The lock nut 44 functions to prevent the adjustment lever 42 from loosening. The function of the guide polish rod 421 cooperating with the guide hole 411 is to prevent the adjustment lever 42 from shaking.

When the amplitude of the percussion head 5 is adjusted, the adjusting rod 42 and the positioning disc 43 need to rotate, so that the semicircular end surface of the U-shaped groove 54 is only attached to the rear side surface of the positioning disc 43 and is not pressed tightly, and the attachment means that a small gap can be formed between the semicircular end surface and the positioning disc is considered to be attached. Similarly, the engagement of the bottom of the U-shaped groove 54 with the positioning disk 43 means that there is a slight gap between the two and the engagement is considered.

The basic working principle of the percussion device of the vibration percussion sputum excretion machine is as follows: the flexible shaft 9 transmits the rotary motion output by the main machine of the vibratory percussion sputum excretion machine to the rotating shaft 1, and the rotating shaft 1 rotates to drive the percussion head 5 to rotate due to the matching of the rectangular hole 53 and the guide square shaft 13. When 5 axes of the tapping head and 1 axis of the rotating shaft have a distance, the tapping head 5 rotates and moves up and down, thereby realizing tapping.

When the amplitude of the knocking head 5 is adjusted, the lock nut 44 is loosened, and then the adjusting rod 42 is rotated, so that the adjusting rod 42 rotates, i.e., moves up and down. Because the bottom of the U-shaped groove 54 is attached to the positioning disc 43, the adjusting rod 42 moves up and down to drive the rapping head 5 to move up and down, the distance between the axis of the rapping head 5 and the axis of the rotating shaft 1 is changed, and the amplitude of the rapping head 5 is also adjusted. The amplitude of the rapping head 5 is twice the distance between the axis of the rapping head 5 and the axis of the rotating shaft 1.

In the present invention, the central block 41 and the guiding square shaft 13 may be connected as shown in fig. 2, the central block 41 has a connection column, the guiding square shaft 13 has a connection hole, and the connection column is inserted into the connection hole and is in interference fit with the connection hole.

During assembly, the amplitude adjusting mechanism 4 is assembled, and the tapping head 5 is sleeved on the guide square shaft 13; the amplitude adjustment mechanism 4 is then fitted into the rectangular hole 53. And then, applying pressure to the central block 41 by using pressure equipment, so that the central block 41 is connected with the guide square shaft 13 in an interference fit manner.

The tapping head 5 of the invention comprises a hard inner sleeve 51 and an elastic sleeve 52 sleeved on the hard inner sleeve 51. The hard inner sleeve 51 is used for assembling and connecting with other parts of the invention. The elastic sleeve 52 is used for contacting with a human body and buffering the knocking force, and the elastic sleeve 52 can be made of rubber.

The invention further preferably comprises a front end cover 6, the front end cover 6 is detachably connected with the knocking head 5, and the front end cover 6 covers the rectangular hole 53. This prevents foreign matter from entering the rectangular hole 53. The front end cap 6 can be connected to the rapping head 5 by means of screws. When the amplitude needs to be adjusted, the front end cover 6 is opened. Also, in order to prevent foreign matter from entering the rectangular hole 53, it is preferable that the puck 12 cover the rectangular hole 53.

In order to facilitate the rotation of the adjustment lever 42, it is preferable that the adjustment lever 42 is provided with a wrench fitting structure 423. The wrench mating structure 423 may be a conventional regular hexagonal structure.

In order to obtain the specific value of the amplitude of the tapping head 5, as shown in fig. 3, an indication mark 413 may be provided on the front end surface of the center block 41, and an amplitude scale 55 may be provided on the front end surface of the hard inner sleeve 51. The amplitude scale 55 aligned with the index mark 413 is the amplitude value of the tapping head 5. The front cover 6 should be transparent so that the amplitude values can be seen in normal use.

Claims

1. Vibration percussion sputum discharging machine percussion ware with adjustable amplitude, its characterized in that: comprises a rotating shaft (1), a handheld sleeve (2), a bearing (3), a tapping head (5) and an amplitude adjusting mechanism (4); the rotating shaft (1) comprises a rotating shaft main body (11), a positioning disc (12) and a guide square shaft (13) which are coaxially arranged from back to front in sequence; the handheld sleeve (2) is sleeved outside the rotating shaft main body (11), and a bearing (3) is arranged between the handheld sleeve (2) and the rotating shaft main body (11); a rectangular hole (53) is formed in the knocking head (5), U-shaped grooves (54) with semicircular end parts are formed in two end faces of the rectangular hole (53), the knocking head (5) is sleeved on the guide square shaft (13) and attached to the positioning disc (12), and the rectangular hole (53) is matched with the guide square shaft (13); the amplitude adjusting mechanism (4) is positioned inside the knocking head (5), and the amplitude adjusting mechanism (4) comprises a central block (41), an adjusting rod (42), a locking nut (44) and two positioning discs (43); the central block (41) is connected with the guide square shaft (13), and the central block (41) is provided with a guide hole (411) and an adjusting hole (412) which are coaxially arranged; the adjusting rod (42) comprises an adjusting screw rod (422) and a guide polished rod (421) which are coaxially arranged, the adjusting rod (42) penetrates through the central block (41), the guide polished rod (421) is matched with the guide hole (411), and the adjusting screw rod (422) is in threaded connection with the adjusting hole (412); the locking nut (44) is in threaded connection with the adjusting screw rod (422) and abuts against the central block (41); the two positioning disks (43) are respectively connected to two ends of the adjusting rod (42), the surfaces of the positioning disks (43) are attached to the bottom surface of the U-shaped groove (54), and the side surfaces of the positioning disks (43) are attached to the semicircular end surfaces of the U-shaped groove (54).

2. The amplitude-adjustable vibration percussion sputum excretion machine percussion device according to claim 1, wherein: the tapping head (5) comprises a hard inner sleeve (51) and an elastic sleeve (52) sleeved on the hard inner sleeve (51).

3. The amplitude-adjustable vibration percussion sputum excretion machine percussion device according to claim 2, wherein: comprises a front end cover (6), the front end cover (6) is detachably connected with a knocking head (5), and the front end cover (6) covers a rectangular hole (53).

4. The amplitude-adjustable vibration percussion sputum excretion machine percussion device according to claim 3, wherein: the positioning plate (12) covers the rectangular hole (53).

5. The amplitude-adjustable vibration percussion sputum excretion machine percussion device according to claim 4, wherein: a wrench adapting structure (423) is arranged on the adjusting rod (42).