Drilling auxiliary device for implanting pre-bent artificial cochlea electrode

Abstract

The invention discloses a drilling auxiliary device for implanting a pre-bending type artificial cochlea electrode, and relates to the technical field of artificial cochles.The device comprises a rotating frame, a motor, a mounting base, a protection assembly and a cleaning assembly, the mounting base is connected with the rotating frame through a bearing, and the motor is fixedly connected to the upper surface of the mounting base; and the output end of the motor penetrates through the mounting base and is fixedly connected with a rotating frame, three auxiliary mechanical arms are mounted on the rotating frame, a drilling machine is arranged at one ends of the auxiliary mechanical arms, and a drill bit is arranged on the drilling machine. By pressing the handle, the handle rotates, the handle rotates to pull the pull rope, the pull rope drives the rotating block to rotate, the rotating block drives the first cleaning block to rotate, the first cleaning block rotates to rotationally erase blood stains on the surface of the protection plate, blood is prevented from interfering with the sight of a doctor, the wiping process is rapid and convenient, an assistant doctor is not needed for wiping, and use is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of cochlear implants, in particular to a drilling auxiliary device for implanting pre-bent cochlear implant electrodes. Background Art

[0002] During cochlear implant surgery, a hole needs to be drilled in the skull to place the implant. The drilling process requires high precision, because if the drilling position is inaccurate or too much damage is caused to the surrounding tissue, it may affect the effect of the cochlear implant or even cause complications. The emergence of auxiliary devices is to improve the accuracy and safety of drilling.

[0003] When encountering some drilling operations that robots cannot complete flexibly, doctors are often required to complete the surgery. However, when the doctor holds the drilling equipment to drill the skull, blood sometimes splashes, causing the doctor's goggles to be contaminated with blood. They need to be cleaned in time, otherwise it will affect the doctor's judgment of the drilling position and depth. Some drilling auxiliary equipment is now equipped with transparent protective baffles to prevent large-scale blood splashing and affect the doctor's surgical judgment. However, when blood appears on the protective baffle, an assistant doctor is required to clean it. The cleaning is inconvenient and can easily delay the operation.

[0004] Based on this, a drilling auxiliary device for pre-bent cochlear implant electrode implant is now provided, which can eliminate the disadvantages of the existing device. Summary of the invention

[0005] The object of the present invention is to provide a pre-bent cochlear implant electrode drilling auxiliary device to solve the shortcomings of the current products in the background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A drilling auxiliary device for pre-bent cochlear implant electrode implantation, comprising a rotating frame, a motor, a mounting seat, a protection component, and a cleaning component, wherein the mounting seat is connected to the rotating frame via a bearing, a motor is fixedly connected to the upper surface of the mounting seat, an output end of the motor passes through the mounting seat and is fixedly connected to the rotating frame, three auxiliary mechanical arms are installed on the rotating frame, a drilling machine is arranged at one end of the auxiliary mechanical arm, and a drill bit is arranged on the drilling machine;

[0008] The protective component is arranged on the drilling machine to prevent blood from splashing onto the doctor;

[0009] The cleaning component is arranged on the drilling machine and is used for cleaning the protective plate.

[0010] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0011] In an optional solution: the protection component includes a protection plate, the outer side wall of the drilling machine is fixedly connected to a first fixing ring via a bracket, the first fixing ring is fixedly connected to the protection plate, and the protection plate is made of a transparent material.

[0012] In an optional solution: a display screen is provided on the upper surface of the drilling machine, a camera is embedded in the protective plate, and the camera is electrically connected to the display screen.

[0013] In an optional solution: the cleaning assembly includes a scraper assembly and a spray assembly, the scraper assembly includes a pull rope and a first cleaning block, the protective plate is connected to a rotating block through a bearing, a second fixing ring is fixedly connected to the peripheral side of the drilling machine, and a first coil spring is fixedly connected between the second fixing ring and the rotating block;

[0014] The drilling machine is fixedly connected to a fixed plate on the periphery, the fixed plate is connected to a rotating shaft through a bearing, the rotating shaft is fixedly connected to a handle, a second coil spring is arranged between the handle and the fixed plate, a pull rope is fixedly connected to the side wall of the handle, the pull rope passes through the fixed plate, and the other end of the pull rope is wound and fixed on the periphery of the rotating block;

[0015] Two symmetrical first cleaning blocks are fixedly connected to the circumference of the rotating block, and the first cleaning blocks abut against the inner side wall of the protective plate;

[0016] The first cleaning block has a second cleaning block groove formed on the side wall, a second cleaning block is slidably connected to the inner side wall of the second cleaning block groove, the second cleaning block abuts against the protective plate, a first spring is fixedly connected between the second cleaning block and the inner side wall of the second cleaning block groove, a convex ring is fixedly connected to the side wall of the protective plate, the rotating block has a convex ring groove corresponding to the convex ring, an arc block is provided at one end of the second cleaning block, the arc block extends through the convex ring groove and abuts against the convex ring;

[0017] The side wall of the protection plate is fixedly connected with two limit blocks.

[0018] In an optional solution: the outer side of the pull rope is covered with a protective sleeve, the pull rope is slidably connected to the protective sleeve, one end of the protective sleeve is penetrated and fixedly connected to the first fixing ring, and the other end is penetrated and fixedly connected to the fixing plate.

[0019] In an optional scheme: the spray assembly includes an air cylinder and a cleaning liquid cylinder, the periphery of the drilling machine is fixedly connected with the air cylinder and the cleaning liquid cylinder through a bracket, the rotating shaft extends through the air cylinder, the rotating shaft is connected to the side wall of the air cylinder through a bearing, the inner side wall of the air cylinder is fixedly connected with a ring plate, one end of the rotating shaft located in the air cylinder is fixedly connected with a cam, the inner side wall of the air cylinder is slidably connected with a lifting plate, the lifting plate abuts against the cam, a second spring is fixedly connected between the lifting plate and the ring plate, the air cylinder is connected with the cleaning liquid cylinder through a pipeline, a one-way valve is arranged on the periphery of the air cylinder, the cleaning liquid cylinder is connected with the rotating block through a cleaning liquid pipe, the side wall of the rotating block is fixedly connected with a water delivery block, water cavities are provided in the rotating block and the water delivery block, the rotating block and the water cavity of the water delivery block are communicated, and a plurality of water spray heads are arranged on the side wall of the water delivery block;

[0020] A rotating ring is connected between the first fixed ring and the second fixed ring via a bearing, and the rotating ring is penetrated and fixedly connected with the cleaning liquid pipe.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The present invention presses the handle to rotate, and the handle rotates to pull the pull rope, and the pull rope drives the rotating block to rotate, and the rotating block drives the first cleaning block to rotate. The first cleaning block rotates to wipe the blood on the surface of the protective plate to prevent the blood from interfering with the doctor's vision. The wiping process is quick and convenient, and does not require an assistant doctor to wipe, so it is easy to use.

[0023] 2. The present invention can drive the second cleaning block to rotate during the rotation of the rotating block. During the rotation of the second cleaning block, the second cleaning block cooperates with the protrusion ring and reciprocates in the second cleaning block groove under the action of the first spring force. The second cleaning block reciprocates to wipe the blood stains on the surface of the protective plate, thereby improving the cleaning effect of the blood stains on the surface of the protective plate.

[0024] 3. The present invention can drive the rotating shaft to rotate while the handle rotates, and the rotating shaft drives the cam to rotate. The cam rotates to squeeze the lifting plate upward, and the lifting plate moves upward, pressing the air from the pipeline into the cleaning liquid cylinder. The cleaning liquid in the cleaning liquid cylinder is squeezed through the cleaning liquid pipe into the water cavity of the rotating block, and then enters the water cavity of the water delivery block from the water cavity of the rotating block, and finally sprayed onto the protective plate from the water spray head. The cleaning liquid is mixed with the blood to clean the blood, thereby further improving the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention.

[0026] Figure 2 This is a first viewing angle diagram of the present invention.

[0027] Figure 3This is a first viewing angle diagram of the auxiliary robotic arm of the present invention.

[0028] Figure 4 This is a second viewing angle diagram of the auxiliary robotic arm of the present invention.

[0029] Figure 5 For the present invention Figure 4 Enlarged view of point A in the middle.

[0030] Figure 6 This is a first viewing angle view of the protective plate of the present invention.

[0031] Figure 7 This is a second viewing angle view of the protective plate of the present invention.

[0032] Figure 8 This is a first viewing angle diagram of the rotating block of the present invention.

[0033] Fig. 9 This is a second viewing angle diagram of the rotating block of the present invention.

[0034] Fig.10 It is a schematic diagram of the internal structure of the air cylinder of the present invention.

[0035] Fig.11 It is a partial cross-sectional view of the present invention.

[0036] Fig.12 For the present invention Fig.11 Enlarged view of point B in the middle.

[0037] Notes on figure numbers: 1 rotating frame, 2 motor, 3 mounting seat, 4 auxiliary mechanical arm, 5 drilling machine, 6 display screen, 7 protective plate, 8 camera, 9 protective assembly, 10 cleaning assembly, 11 air cylinder, 12 cleaning liquid cylinder, 13 first fixed ring, 14 second fixed ring, 15 rotating ring, 16 cleaning liquid pipe, 17 rotating block, 18 pull rope, 19 first coil spring, 20 bump ring, 21 limit block, 22 water delivery block, 23 first cleaning block, 24 water spray head, 25 protective sleeve, 26 handle, 27 fixed plate, 28 rotating shaft, 29 one-way valve, 30 ring plate, 31 lifting plate, 32 cam, 33 second cleaning block, 34 arc block, 35 first spring, 36 second coil spring, 37 drill bit, 38 second spring. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0039] In one embodiment, Figure 1-Figure 12As shown, a drilling auxiliary device for pre-bent cochlear implant electrode implantation includes a rotating frame 1, a motor 2, a mounting seat 3, a protective component 9, and a cleaning component 10. The mounting seat 3 is connected to the rotating frame 1 through a bearing, the upper surface of the mounting seat 3 is fixedly connected to the motor 2, the output end of the motor 2 passes through the mounting seat 3 and is fixedly connected to the rotating frame 1, the rotating frame 1 is installed with three auxiliary mechanical arms 4, one end of the auxiliary mechanical arm 4 is provided with a drilling machine 5, and the drilling machine 5 is provided with a drill bit 37;

[0040] The protection component 9 is arranged on the drilling machine 5 to prevent blood from splashing onto the doctor;

[0041] The cleaning assembly 10 is arranged on the drilling machine 5 and is used for cleaning the protective plate 7 .

[0042] The motor 2 is started, and the motor 2 drives the auxiliary mechanical arm 4 to rotate, thereby realizing automatic switching of the drill bit 37 .

[0043] In one embodiment, the protection component 9 includes a protection plate 7. The outer wall of the drilling machine 5 is fixedly connected to a first fixing ring 13 via a bracket. The first fixing ring 13 is fixedly connected to the protection plate 7. The protection plate 7 is made of a transparent material.

[0044] The protection plate 7 prevents blood from splashing over a large area.

[0045] In one embodiment, a display screen 6 is disposed on the upper surface of the drilling machine 5 , and a camera 8 is embedded in the protective plate 7 . The camera 8 is electrically connected to the display screen 6 .

[0046] When drilling occurs, blood spurts out of the patient, causing the surface of the protective plate 7 to be blocked by blood, making it impossible for the doctor to determine the drilling position and depth. The camera 8 can be used to transmit the image to the display screen 6 to continue drilling.

[0047] In one embodiment, the cleaning assembly 10 includes a scraper assembly and a spray assembly, the scraper assembly includes a pull rope 18 and a first cleaning block 23, the protective plate 7 is connected to the rotating block 17 through a bearing, the second fixing ring 14 is fixedly connected to the peripheral side of the drilling machine 5, and the first coil spring 19 is fixedly connected between the second fixing ring 14 and the rotating block 17;

[0048] A fixed plate 27 is fixedly connected to the side of the drilling machine 5, and the fixed plate 27 is connected to a rotating shaft 28 through a bearing. The rotating shaft 28 is fixedly connected to a handle 26, and a second coil spring 36 is provided between the handle 26 and the fixed plate 27. A pull rope 18 is fixedly connected to the side wall of the handle 26, and the pull rope 18 passes through the fixed plate 27. The other end of the pull rope 18 is wound and fixed to the side of the rotating block 17.

[0049] Two symmetrical first cleaning blocks 23 are fixedly connected to the circumference of the rotating block 17, and the first cleaning blocks 23 abut against the inner wall of the protective plate 7;

[0050] A second cleaning block groove is provided on the side wall of the first cleaning block 23, a second cleaning block 33 is slidably connected to the inner side wall of the second cleaning block groove, the second cleaning block 33 abuts against the protective plate 7, a first spring 35 is fixedly connected between the second cleaning block 33 and the inner side wall of the second cleaning block groove, a bump ring 20 is fixedly connected to the side wall of the protective plate 7, a bump ring groove corresponding to the bump ring 20 is provided on the rotating block 17, an arc block 34 is provided at one end of the second cleaning block 33, the arc block 34 extends through the bump ring groove and abuts against the bump ring 20;

[0051] Two limit blocks 21 are fixedly connected to the side wall of the protection plate 7 .

[0052] If the camera 8 is also contaminated by blood, the doctor presses the handle 26, and the handle 26 rotates. The handle 26 rotates to pull the pull rope 18, and the pull rope 18 drives the rotating block 17 to rotate, and the rotating block 17 drives the first cleaning block 23 to rotate. The first cleaning block 23 rotates to wipe the blood on the surface of the protective plate 7 to prevent the blood from interfering with the doctor's vision;

[0053] The wiping process is quick and convenient, and does not require an assistant doctor to wipe, making it easy to use;

[0054] During the rotation of the rotating block 17, the second cleaning block 33 is driven to rotate. During the rotation of the second cleaning block 33, the second cleaning block 33 cooperates with the protruding block ring 20 and reciprocates in the second cleaning block groove under the elastic force of the first spring 35. The second cleaning block 33 reciprocates to wipe the blood stains on the surface of the protective plate 7, thereby improving the cleaning effect of the blood stains on the surface of the protective plate 7;

[0055] In one embodiment, the outer side of the pull rope 18 is covered with a protective sleeve 25 , and the pull rope 18 is slidably connected to the protective sleeve 25 . One end of the protective sleeve 25 is penetrated and fixedly connected to the first fixing ring 13 , and the other end is penetrated and fixedly connected to the fixing plate 27 .

[0056] The wear of the pull rope 18 is reduced, and the service life of the pull rope 18 is increased.

[0057] In one embodiment, the spray assembly includes a compressed air cylinder 11 and a cleaning fluid cylinder 12, the drilling machine 5 is fixedly connected to the compressed air cylinder 11 and the cleaning fluid cylinder 12 by a bracket, the rotating shaft 28 extends through the compressed air cylinder 11, the rotating shaft 28 is connected to the side wall of the compressed air cylinder 11 by a bearing, the inner side wall of the compressed air cylinder 11 is fixedly connected to a ring plate 30, one end of the rotating shaft 28 located in the compressed air cylinder 11 is fixedly connected to a cam 32, the inner side wall of the compressed air cylinder 11 is slidably connected to a lifting plate 31, and the lifting plate 31 Abutting against the cam 32, a second spring 38 is fixedly connected between the lifting plate 31 and the ring plate 30, the air cylinder 11 is connected to the cleaning liquid cylinder 12 through a pipeline, a one-way valve 29 is arranged on the circumference of the air cylinder 11, the cleaning liquid cylinder 12 is connected to the rotating block 17 through a cleaning liquid pipe 16, a water delivery block 22 is fixedly connected to the side wall of the rotating block 17, a water cavity is opened in the rotating block 17 and the water delivery block 22, the rotating block 17 and the water cavity of the water delivery block 22 are connected, and a plurality of water spray heads 24 are arranged on the side wall of the water delivery block 22;

[0058] A rotating ring 15 is connected between the first fixed ring 13 and the second fixed ring 14 via a bearing, and the rotating ring 15 is penetrated and fixedly connected with a cleaning liquid pipe 16 .

[0059] When the handle 26 rotates, the rotating shaft 28 is driven to rotate, and the rotating shaft 28 drives the cam 32 to rotate. The cam 32 rotates to squeeze the lifting plate 31 upward, and the lifting plate 31 moves upward, pressing the air from the pipeline into the cleaning liquid cylinder 12. The cleaning liquid in the cleaning liquid cylinder 12 is squeezed through the cleaning liquid pipe 16 into the water cavity of the rotating block 17, and enters the water cavity of the water delivery block 22 from the water cavity of the rotating block 17, and finally sprayed on the protective plate 7 from the water spray head 24. The cleaning liquid mixes with the blood, cleans the blood, and further improves the cleaning effect.

[0060] The above embodiment discloses a pre-bent cochlear implant electrode drilling auxiliary device, and its specific working principle and process are as follows:

[0061] S1: During use, the doctor holds the drilling machine 5, moves the drilling machine 5 to the drilling position of the patient's skull, starts the drilling machine 5, and the drilling machine 5 drives the drill bit 37 to rotate for drilling;

[0062] The auxiliary robot arm 4 has the functions of maintaining stability, multi-angle rotation, and electric power assistance, which allows the doctor to easily move the handheld drilling machine 5, and it is not tiring to lift it, and it has strong stability;

[0063] S2: When drilling occurs, blood spurts out of the patient, causing the surface of the protective plate 7 to be blocked by blood, so that the doctor cannot determine the drilling position and depth, the camera 8 can transmit the image to the display screen 6 to continue drilling;

[0064] If the camera 8 is also contaminated by blood, the doctor presses the handle 26, and the handle 26 rotates. The handle 26 rotates to pull the pull rope 18, and the pull rope 18 drives the rotating block 17 to rotate, and the rotating block 17 drives the first cleaning block 23 to rotate. The first cleaning block 23 rotates to wipe the blood on the surface of the protective plate 7 to prevent the blood from interfering with the doctor's vision;

[0065] The wiping process is quick and convenient, and does not require an assistant doctor to wipe, making it easy to use;

[0066] During the rotation of the rotating block 17, the second cleaning block 33 is driven to rotate. During the rotation of the second cleaning block 33, the second cleaning block 33 cooperates with the protruding block ring 20 and reciprocates in the second cleaning block groove under the elastic force of the first spring 35. The second cleaning block 33 reciprocates to wipe the blood stains on the surface of the protective plate 7, thereby improving the cleaning effect of the blood stains on the surface of the protective plate 7;

[0067] S3: When the handle 26 rotates, the rotating shaft 28 is driven to rotate, and the rotating shaft 28 drives the cam 32 to rotate. The cam 32 rotates to squeeze the lifting plate 31 upward, and the lifting plate 31 moves upward, pressing the air from the pipeline into the cleaning liquid cylinder 12. The cleaning liquid in the cleaning liquid cylinder 12 is squeezed through the cleaning liquid pipe 16 into the water cavity of the rotating block 17, and then enters the water cavity of the water delivery block 22 from the water cavity of the rotating block 17, and finally sprayed from the water spray head 24 onto the protective plate 7. The cleaning liquid mixes with the blood to clean the blood, thereby further improving the cleaning effect.

[0068] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A drilling auxiliary device for pre-bent cochlear implant electrode implantation, characterized in that: The invention comprises a rotating frame (1), a motor (2), a mounting seat (3), a protection component (9), and a cleaning component (10); the mounting seat (3) is connected to the rotating frame (1) via a bearing; the upper surface of the mounting seat (3) is fixedly connected to the motor (2); the output end of the motor (2) passes through the mounting seat (3) and is fixedly connected to the rotating frame (1); the rotating frame (1) is installed with three auxiliary mechanical arms (4); a drilling machine (5) is arranged at one end of the auxiliary mechanical arm (4); and a drill bit (37) is arranged on the drilling machine (5); The protective component (9) is arranged on the drilling machine (5) to prevent blood from splashing onto the doctor; The cleaning component (10) is arranged on the drilling machine (5) and is used for cleaning the protective plate (7).

2. The drilling auxiliary device for pre-bent cochlear implant electrode implant according to claim 1, characterized in that: The protection component (9) comprises a protection plate (7); the outer wall of the drilling machine (5) is fixedly connected to a first fixing ring (13) via a bracket; the first fixing ring (13) is fixedly connected to the protection plate (7); and the protection plate (7) is made of a transparent material.

3. The drilling auxiliary device for pre-bent cochlear implant electrode implant according to claim 2, characterized in that: The upper surface of the drilling machine (5) is provided with a display screen (6), and the protective plate (7) is embedded with a camera (8), and the camera (8) is electrically connected to the display screen (6).

4. The drilling auxiliary device for pre-bent cochlear implant electrode implant according to claim 2, characterized in that: The cleaning assembly (10) comprises a scraper assembly and a spray assembly, the scraper assembly comprises a pull rope (18) and a first cleaning block (23), the protective plate (7) is connected to a rotating block (17) via a bearing, a second fixing ring (14) is fixedly connected to the peripheral side of the drilling machine (5), and a first coil spring (19) is fixedly connected between the second fixing ring (14) and the rotating block (17); The drilling machine (5) is fixedly connected to a fixed plate (27) on the circumference thereof, the fixed plate (27) is connected to a rotating shaft (28) via a bearing, the rotating shaft (28) is fixedly connected to a handle (26), a second coil spring (36) is provided between the handle (26) and the fixed plate (27), a pull rope (18) is fixedly connected to the side wall of the handle (26), the pull rope (18) passes through the fixed plate (27), and the other end of the pull rope (18) is wound and fixed on the circumference of the rotating block (17); Two symmetrical first cleaning blocks (23) are fixedly connected to the circumference of the rotating block (17), and the first cleaning blocks (23) abut against the inner side wall of the protective plate (7); The first cleaning block (23) has a side wall provided with a second cleaning block groove, the inner side wall of the second cleaning block groove is slidably connected with a second cleaning block (33), the second cleaning block (33) abuts against the protective plate (7), a first spring (35) is fixedly connected between the second cleaning block (33) and the inner side wall of the second cleaning block groove, the side wall of the protective plate (7) is fixedly connected with a convex ring (20), the rotating block (17) has a convex ring groove corresponding to the convex ring (20), an arc block (34) is arranged at one end of the second cleaning block (33), the arc block (34) extends through the convex ring groove and abuts against the convex ring (20); Two limit blocks (21) are fixedly connected to the side wall of the protection plate (7).

5. The drilling auxiliary device for pre-bent cochlear implant electrode implant according to claim 4, characterized in that: The outer side of the pull rope (18) is covered with a protective sleeve (25), the pull rope (18) is slidably connected to the protective sleeve (25), one end of the protective sleeve (25) is penetrated and fixedly connected to the first fixing ring (13), and the other end is penetrated and fixedly connected to the fixing plate (27).

6. The drilling auxiliary device for pre-bent cochlear implant electrode implant according to claim 4, characterized in that: The spray assembly comprises an air cylinder (11) and a cleaning liquid cylinder (12); the air cylinder (11) and the cleaning liquid cylinder (12) are fixedly connected to the peripheral side of the drilling machine (5) through a bracket; the rotating shaft (28) extends through the air cylinder (11); the rotating shaft (28) is connected to the side wall of the air cylinder (11) through a bearing; the inner wall of the air cylinder (11) is fixedly connected to a ring plate (30); one end of the rotating shaft (28) located in the air cylinder (11) is fixedly connected to a cam (32); the inner wall of the air cylinder (11) is slidably connected to a lifting plate (31); the lifting plate (31) and the cam (32) are slidably connected to each other. ) abuts against the lifting plate (31), a second spring (38) is fixedly connected between the lifting plate (31) and the ring plate (30), the air cylinder (11) is connected to the cleaning liquid cylinder (12) through a pipeline, a one-way valve (29) is arranged on the circumference of the air cylinder (11), the cleaning liquid cylinder (12) is connected to the rotating block (17) through a cleaning liquid pipe (16), a water delivery block (22) is fixedly connected to the side wall of the rotating block (17), a water cavity is provided in both the rotating block (17) and the water delivery block (22), the water cavities of the rotating block (17) and the water delivery block (22) are communicated, and a plurality of water spray heads (24) are arranged on the side wall of the water delivery block (22); A rotating ring (15) is connected between the first fixed ring (13) and the second fixed ring (14) via a bearing, and the rotating ring (15) is penetrated and fixedly connected with a cleaning liquid pipe (16).

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