Multi-degree-of-freedom self-adapting variable-diameter ultrasonic coupling agent intelligent coating device

Abstract

This invention relates to the field of applicator technology and discloses a multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent applicator, comprising a reservoir, an extrusion assembly on the upper side of the reservoir, a connecting assembly on the lower side of the reservoir, a drive assembly on the connecting assembly, a connecting line on the upper side of the extrusion assembly, and a connector fixedly mounted on the lower side of the reservoir. The connecting assembly includes a connector fixedly mounted on the lower side of the reservoir, a docking ball sleeve movably mounted inside the connector, several sets of spring tabs fixedly mounted on the upper side of the docking ball sleeve, an inclined slope on the lower inner side of the docking ball sleeve, and a circular sleeve fitted on the lower side of the docking ball sleeve. This invention, through overall coordinated use, achieves automatic angle adjustment by rotating at different angles, maintaining close contact with the skin, and expanding the application area of ​​the main applicator head. A single movement can cover a larger area, reducing the number of reapplications.

Description

Technical Field

[0001] This invention relates to the field of applicator technology, and in particular to a multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent applicator. Background Technology

[0002] In clinical ultrasound examinations, coupling gel applicators are indispensable auxiliary equipment, and the effectiveness of their applicator heads directly affects ultrasound imaging quality and examination efficiency. Currently, most coupling gel applicators have fixed applicator heads. Due to structural limitations, the head size cannot be adjusted, allowing only a single applicator size. When dealing with large areas such as the abdomen, repeated application is necessary, easily leading to inefficiency. Furthermore, the fixed applicator heads cannot rotate, lacking adjustable flexibility. When examining uneven areas such as the neck and joints, the applicator head does not adhere well to the skin, making it difficult to achieve comprehensive and even application. Additionally, doctors need to adjust their grip to suit the examination angle, increasing the workload. Summary of the Invention

[0003] The main objective of this invention is to provide a multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent coating device, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0005] A multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent coating device includes a liquid storage cylinder. An extrusion assembly is disposed on the upper side of the liquid storage cylinder, and a connecting assembly is disposed on the lower side of the liquid storage cylinder. A driving assembly is disposed on the connecting assembly. A connecting wire is disposed on the upper side of the extrusion assembly. The connecting assembly includes a connector fixedly disposed on the lower side of the liquid storage cylinder. A docking ball sleeve is movably disposed inside the connector. Several sets of spring tabs are fixedly disposed on the upper side of the docking ball sleeve. An inclined slope is disposed on one side of the lower interior of the docking ball sleeve. A circular sleeve is fitted onto the lower side of the docking ball sleeve, with an opening at the bottom of the circular sleeve corresponding to the inclined slope. The sleeve has a liquid guide port. A main applicator head is fixedly installed on the outer side of the sleeve. A fixing rod is fixedly installed on the inner side of the sleeve near the center. A limiting ring is fixedly installed on the upper side of the fixing rod. A circular block is fixedly installed on the inclined slope outside the fixing rod. A circular groove is opened on the inner side of the circular block. A first spring is fixedly installed between the limiting ring and the circular groove on the outer side of the fixing rod. A telescopic groove is opened on the lower inner side of the circular block near one side. A positioning shaft is movably installed on the inner side of the telescopic groove. A second spring is fixedly installed between the positioning shaft and the upper inner wall of the telescopic groove. Positioning grooves are opened on both sides of the bottom inner side of the sleeve near the fixing rod.

[0006] Preferably, the driving assembly includes a knob ring movably disposed on the outside of the circular sleeve, a gear ring fixedly disposed on the lower side of the knob ring, a cover plate fixedly disposed on the upper end of the main applicator, two sets of sliding grooves opened on the inner side of the cover plate, two sets of auxiliary applicator heads movably disposed on the inner side of the main applicator head, a limit strip fixedly disposed on the outer side of each of the two sets of auxiliary applicator heads, a U-shaped applicator frame movably disposed on the lower side of each of the two sets of auxiliary applicator heads, a slope first on one side of each of the two sets of U-shaped applicator frames, two sets of triangular grooves opened on the lower side of each of the two sets of limit strips, a U-shaped component fixedly disposed on the upper end of each of the two sets of U-shaped applicator frames, a fixing sleeve fixedly disposed on the inner wall of each of the two sets of auxiliary applicator heads, a third spring fixedly disposed between the U-shaped component and the inner wall of the fixing sleeve, two sets of applicator strips fixedly disposed on the lower side of the main applicator head, a slope second on both sides of each applicator strip, and a rack fixedly disposed on the upper end of each of the two sets of limit strips.

[0007] Preferably, the extrusion assembly includes a docking shell threadedly connected to the upper side of the liquid storage cylinder. A motor is fixedly installed on the inner side of the docking shell, and a threaded rod is fixedly installed on the lower side of the motor's rotating shaft. A piston block is threadedly connected to the outer side of the threaded rod. Two sets of limiting plates are fixedly installed in the inner wall of the liquid storage cylinder, and a sliding opening is provided on the outer side of the piston block corresponding to the positions of the two sets of limiting plates.

[0008] Preferably, the spring plate generates resistance to the rotation of the connecting member on the docking ball sleeve, the circular sleeve communicates with the interior of the main applicator head through the liquid guide port, and the liquid guide port is offset from the lower opening of the docking ball sleeve.

[0009] Preferably, the fixing rod and the circular block are movably connected, the limiting ring is fitted into the circular groove, the positioning shaft is inserted into a set of positioning slots, and the two sets of positioning slots are correspondingly set on the rotation trajectory of the positioning shaft.

[0010] Preferably, the knob ring and the cover plate are movable, the gear ring is located inside the cover plate, the gear ring is meshed with the two sets of racks, the two sets of auxiliary applicator heads are mirror-symmetrically arranged, and the auxiliary applicator heads and the main applicator head are slidably arranged.

[0011] Preferably, the first inclined surface on the U-shaped trowel frame is fitted with the second inclined surface on the trowel strip, the U-shaped trowel frame is fitted with the lower side of the auxiliary trowel head, the triangular groove is adapted to the second inclined surface, the U-shaped component is slidably disposed inside the fixed sleeve, and the rack is slidably disposed in the groove.

[0012] Preferably, the connecting line is electrically connected to the motor, the piston block is in contact with the inner wall of the liquid storage cylinder, and the piston block slides along the limiting plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The coupling shell can be rotated off the reservoir by twisting the coupling shell, so that the coupling agent can be added into the reservoir and then the coupling shell can be screwed back on. When in use, the motor drives the threaded rod to rotate, which drives the threaded piston block to slide down along the limiting plate, thereby squeezing out the coupling agent inside the reservoir to achieve the purpose of application. The amount of coupling agent discharged is automatically controlled by the motor.

[0015] 2. Medical staff cover the reservoir and push the main application head downwards, causing the connected sleeve to drive the fixing rod and limiting ring downwards to squeeze the first spring. At this time, the positioning shaft is driven out of the first set of positioning slots. When rotated 180 degrees, it is released and pushed downwards, so that the positioning shaft rotates against the bottom of the sleeve until it is inserted into another set of positioning slots. The liquid outlet corresponds to the opening on the lower side of the ball sleeve, realizing the internal cavity connection and discharge of coupling agent. When the positioning shaft rotates, the telescopic groove is squeezed, so that the positioning shaft contacts the bottom of the sleeve and generates friction. This provides good damping during the insertion into the positioning slot, allowing the user to accurately rotate to the appropriate angle. Similarly, after rotating another 180 degrees, the internal opening is closed. When the main application head is used to apply coupling agent to the body by holding the reservoir, the connection between the ball sleeve and the connector can be rotated at different angles to squeeze the corresponding spring. When facing different parts of the body, it can automatically adjust the angle to maintain close contact with the skin.

[0016] 3. When a larger application area is required for a patient, rotating the knob ring drives the gear ring to rotate, causing the two sets of meshing racks to slide in two sets of grooves. The moving racks move the two sets of auxiliary application heads away from each other and out of the main application head, thus expanding the application area of ​​the main application head and increasing the effective contact length with the skin. A single movement can cover a larger area, reducing the number of repetitions and improving examination efficiency. Reversing the knob ring drives the two sets of auxiliary application heads back into the main application head. The inclined surfaces of the U-shaped application head frames on both sides... When the inclined surfaces of the applicator strip make contact, the U-shaped applicator frame and the U-shaped component are pushed upwards, compressing the third spring. As the U-shaped applicator frame moves onto the applicator strip, the secondary applicator head is retracted into the main applicator head. During extension, the two sets of U-shaped applicator frames are pushed down by the third spring, ensuring that the U-shaped applicator frames and the third spring are at the same horizontal height. This improves the contact feel between the applicator component and the skin, preventing uneven suspension at different heights that could lead to a poorer tactile feel. However, this can also cause insufficient or missing coupling agent thickness in this area, creating an air layer between the ultrasound probe and the skin, reducing image clarity. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the intelligent coating device for multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent according to the present invention.

[0018] Figure 2This is a schematic diagram of the internal structure of the liquid storage cylinder of the intelligent coating device for multi-degree-of-freedom adaptive variable diameter ultrasonic coupling agent according to the present invention.

[0019] Figure 3 This is a schematic diagram of the connection and drive components of a multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent coating device according to the present invention.

[0020] Figure 4 This is a schematic diagram of the inner structure of the cover plate of the intelligent coating device for multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent according to the present invention.

[0021] Figure 5 This is a schematic diagram of the inner structure of the connecting component of a multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent coating device according to the present invention.

[0022] Figure 6 This invention relates to a multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent coating device. Figure 5 Enlarged structural diagram of section A in the middle;

[0023] Figure 7 This is a schematic diagram of the cover plate connection structure of a multi-degree-of-freedom adaptive variable diameter ultrasonic coupling agent intelligent coating device according to the present invention;

[0024] Figure 8 This is a schematic diagram of the lower side structure of the main applicator head of the intelligent application device for multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent according to the present invention;

[0025] Figure 9 This is a schematic diagram of the drive component structure of a multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent coating device according to the present invention;

[0026] Figure 10 This is a schematic diagram of the inner structure of the drive component of a multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent coating device according to the present invention.

[0027] In the diagram: 1. Liquid storage cylinder; 2. Extrusion assembly; 21. Docking shell; 22. Motor; 23. Threaded rod; 24. Piston block; 25. Limiting plate; 26. Sliding port; 3. Connecting assembly; 31. Connector; 32. Docking ball sleeve; 33. Spring; 34. Inclined ramp; 35. Circular sleeve; 36. Liquid guide port; 37. Main applicator head; 38. Fixing rod; 39. Limiting ring; 310. Circular block; 311. Circular groove; 312. First spring; 313. 314. Telescopic groove; 315. Positioning shaft; 316. Second spring; 317. Positioning groove; 4. Drive assembly; 41. Knob ring; 42. Gear ring; 43. Cover plate; 44. Slide groove; 45. Secondary applicator head; 46. Limiting strip; 47. U-shaped applicator head frame; 48. Inclined surface one; 49. Triangular groove; 410. U-shaped part; 411. Fixing sleeve; 412. Third spring; 413. Applicator head strip; 414. Inclined surface two; 415. Rack; 5. Connecting line. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0029] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship as a relative relationship of orientation or position, and are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0030] Please see Figures 1-10An embodiment of the present invention provides a multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent coating device, comprising a liquid storage cylinder 1, an extrusion assembly 2 disposed on the upper side of the liquid storage cylinder 1, a connecting assembly 3 disposed on the lower side of the liquid storage cylinder 1, a driving assembly 4 disposed on the connecting assembly 3, a connecting line 5 disposed on the upper side of the extrusion assembly 2, the connecting assembly 3 including a connector 31 fixedly disposed on the lower side of the liquid storage cylinder 1, a docking ball sleeve 32 movably disposed inside the connector 31, a plurality of sets of spring pieces 33 fixedly disposed on the upper side of the docking ball sleeve 32, an inclined slope 34 disposed on one side of the lower inner side of the docking ball sleeve 32, a circular sleeve 35 sleeved on the lower side of the docking ball sleeve 32, a liquid guide port 36 opened at the bottom of the circular sleeve 35 corresponding to the position of the inclined slope 34, and the circular sleeve... A main applicator head 37 is fixedly installed on the outer side of the sleeve 35. A fixing rod 38 is fixedly installed on the inner side of the sleeve 35 towards the center. A limiting ring 39 is fixedly installed on the upper side of the fixing rod 38. A round block 310 is fixedly installed on the outer side of the fixing rod 38 at the inclined slope 34. A round groove 311 is opened on the inner side of the round block 310. A first spring 312 is fixedly installed between the limiting ring 39 on the outer side of the fixing rod 38 and the round groove 311. A telescopic groove 313 is opened on the lower inner side of the round block 310 towards one side. A positioning shaft 314 is movably installed on the inner side of the telescopic groove 313. A second spring 315 is fixedly installed between the positioning shaft 314 and the upper inner wall of the telescopic groove 313. Positioning grooves 316 are opened on both sides of the bottom inner side of the sleeve 35 towards the fixing rod 38.

[0031] The spring 33 generates resistance to the rotation of the connecting piece 31 on the docking ball sleeve 32. The circular sleeve 35 communicates with the inside of the main applicator head 37 through the liquid guide port 36. The liquid guide port 36 is offset from the lower opening of the docking ball sleeve 32. The fixing rod 38 is movably connected to the circular block 310. The limiting ring 39 is fitted in the circular groove 311. The positioning shaft 314 is inserted into a set of positioning grooves 316. The two sets of positioning grooves 316 are correspondingly set on the rotation trajectory of the positioning shaft 314.

[0032] Medical staff cover the reservoir 1, pushing the main application head 37 downwards. This causes the connected sleeve 35 to drive the fixing rod 38 and the limiting ring 39 downwards, compressing the first spring 312. At this time, the positioning shaft 314 is moved out of the first set of positioning grooves 316. When it rotates 180 degrees, it is released and pushed downwards, causing the positioning shaft 314 to rotate against the bottom of the sleeve 35 until it is inserted into another set of positioning grooves 316 for positioning. The liquid guide port 36 corresponds to the opening on the lower side of the ball sleeve 32, realizing the internal cavity communication and discharge of coupling agent. When the positioning shaft 314 rotates, the expansion groove 31... 3 is squeezed, causing the positioning shaft 314 to contact the bottom of the sleeve 35 and generate friction. This provides good damping during the insertion into the positioning groove 316, allowing the user to accurately rotate to the appropriate angle. Similarly, after rotating 180 degrees, the internal opening is closed. When the main applicator head 37 is applied to the body by holding the liquid reservoir 1, the connection between the ball sleeve 32 and the connector 31 can be rotated at different angles, squeezing the corresponding spring 33. When facing different parts of the body, the angle can be automatically adjusted to maintain close contact with the skin.

[0033] The drive assembly 4 includes a knob ring 41 movably disposed on the outside of the circular sleeve 35, a gear ring 42 fixedly disposed on the lower side of the knob ring 41, a cover plate 43 fixedly disposed on the upper end of the main applicator head 37, two sets of sliding grooves 44 opened on the inner side of the cover plate 43, two sets of auxiliary applicator heads 45 movably disposed inside the main applicator head 37, limit strips 46 fixedly disposed on the outer side of each of the two sets of auxiliary applicator heads 45, and U-shaped applicator frames 47 movably disposed on the lower side of each of the two sets of auxiliary applicator heads 45, with each side of the two sets of U-shaped applicator frames 47 being set as a slope. Two sets of triangular grooves 49 are provided on the lower side of the two sets of limiting strips 46. U-shaped parts 410 are fixedly installed on the upper end of the two sets of U-shaped trowel frames 47. Fixing sleeves 411 are fixedly installed on the inner wall of the two sets of auxiliary trowels 45. A third spring 412 is fixedly installed between the inner wall of the U-shaped part 410 and the fixing sleeve 411. Two sets of trowel strips 413 are fixedly installed on the lower side of the main trowel 37. Both sides of the trowel strips 413 are set with inclined surfaces 414. Racks 415 are fixedly installed on the upper end of the two sets of limiting strips 46.

[0034] The knob ring 41 and the cover plate 43 are movable. The gear ring 42 is located inside the cover plate 43. The gear ring 42 is meshed with the two sets of racks 415. The two sets of auxiliary applicator heads 45 are mirror-symmetrically arranged. The auxiliary applicator head 45 and the main applicator head 37 are slidably arranged. The first inclined surface 48 on the U-shaped applicator frame 47 is fitted with the second inclined surface 414 on the applicator strip 413. The U-shaped applicator frame 47 is fitted with the lower side of the auxiliary applicator head 45. The triangular groove 49 is adapted to the second inclined surface 414. The U-shaped part 410 is slidably arranged inside the fixed sleeve 411. The rack 415 is slidably arranged in the slide groove 44.

[0035] When a patient requires a larger application area, rotating the knob ring 41 drives the gear ring 42 to rotate, causing the two sets of meshing racks 415 to slide in the two sets of sliding grooves 44. The moving racks 415 cause the two sets of auxiliary application heads 45 to move away from each other and out of the main application head 37, thereby expanding the application area of ​​the main application head 37, increasing the effective contact length with the skin, covering a larger area with a single movement, reducing the number of repetitive applications, and improving examination efficiency. Reversing the knob ring 41 drives the two sets of auxiliary application heads 45 back into the main application head 37. The inclined surface 48 of the two U-shaped application head frames 47 and the application head strips 4... When the inclined plane of 13 contacts 414, the U-shaped applicator frame 47 and the U-shaped part 410 are pushed upward, squeezing the third spring 412. As the U-shaped applicator frame 47 moves onto the applicator strip 413, the auxiliary applicator head 45 is retracted into the main applicator head 37. When it extends, the two sets of U-shaped applicator frames 47 are pushed down by the third spring 412, so that the U-shaped applicator frame 47 and the third spring 412 are at the same horizontal height, which improves the contact between the applicator and the skin and avoids the poor touch caused by different heights of suspension. At the same time, it will cause insufficient thickness or gaps in the coupling agent in this area, resulting in an air layer between the ultrasound probe and the skin, which reduces the image clarity.

[0036] The extrusion assembly 2 includes a docking shell 21 threadedly connected to the upper side of the liquid storage cylinder 1. A motor 22 is fixedly installed inside the docking shell 21. A threaded rod 23 is fixedly installed below the rotating shaft of the motor 22. A piston block 24 is threadedly connected to the outer side of the threaded rod 23. Two sets of limiting plates 25 are fixedly installed in the inner wall of the liquid storage cylinder 1. A sliding port 26 is opened on the outer side of the piston block 24 corresponding to the positions of the two sets of limiting plates 25.

[0037] The connecting wire 5 is electrically connected to the motor 22, the piston block 24 is attached to the inner wall of the liquid storage cylinder 1, and the piston block 24 slides along the limiting plate 25.

[0038] By twisting the docking shell 21, the docking shell 21 can be rotated off from the liquid storage cylinder 1, thereby adding coupling agent into the liquid storage cylinder 1 and then screwing the docking shell 21 back on. In use, the motor 22 drives the threaded rod 23 to rotate, driving the threaded piston block 24 to slide downward along the limiting plate 25, thereby squeezing out the coupling agent inside the liquid storage cylinder 1 to achieve the purpose of application. The amount of coupling agent discharged is automatically controlled by the motor 22.

[0039] Working principle: By twisting the docking shell 21, it can be rotated off from the liquid storage cylinder 1, allowing coupling agent to be added into the liquid storage cylinder 1. Then, the docking shell 21 is screwed back on. During use, the motor 22 drives the threaded rod 23 to rotate, driving the threaded piston block 24 to slide downwards along the limiting plate 25, thereby squeezing out the coupling agent inside the liquid storage cylinder 1 to achieve the purpose of application. The motor 22 automatically controls the discharge and amount of coupling agent. In addition, by covering the liquid storage cylinder 1, medical staff push the main application head 37 downwards, causing the connected sleeve 35 to drive the fixing rod 38 and the limiting ring 39 to press the first spring 312 downwards. At this time, the positioning shaft 314 is driven to leave the set of positioning grooves 316 that have been inserted. When rotating 180 degrees, release and push downwards to make the positioning shaft 314 rotate against the bottom of the sleeve 35 until it is inserted into another set of positioning grooves 316 for positioning. The liquid guide port 36 corresponds to the opening on the lower side of the docking ball sleeve 32, realizing the internal cavity communication to discharge the coupling agent. When the positioning shaft 314 rotates, the telescopic groove 313 is squeezed, so that the positioning shaft 314 contacts the bottom of the sleeve 35 to generate friction. It provides good damping during the process of inserting into the positioning groove 316, so that the user can accurately rotate to the appropriate angle. Similarly, after rotating another 180 degrees, the internal opening is closed. When the main application head 37 is applied to the body by holding the liquid reservoir 1, the docking ball sleeve 32 and the connector 31 The connection allows for rotation at different angles, compressing the corresponding spring 33. When facing different parts of the body, it can automatically adjust the angle to maintain close contact with the skin. Secondly, when a larger application area is needed for a patient, rotating the knob ring 41 drives the gear ring 42 to rotate, causing the two meshing sets of racks 415 to slide in the two sets of grooves 44. The moving racks 415 cause the two sets of auxiliary application heads 45 to move away from each other and out of the main application head 37, thereby expanding the application area of ​​the main application head 37, increasing the effective length of contact with the skin, covering a larger area with a single movement, reducing the number of repetitive applications, and improving examination efficiency. Reversing the knob ring 41 can drive the two sets of auxiliary application heads 45 to retract. When the main applicator head 37 is inserted, the inclined surface 48 of the two U-shaped applicator frames 47 on both sides contacts the inclined surface 414 of the applicator strip 413. The U-shaped applicator frames 47 and the U-shaped parts 410 are pushed upward, squeezing the third spring 412. As the U-shaped applicator frames 47 move onto the applicator strip 413, the auxiliary applicator head 45 is retracted into the main applicator head 37. When it extends, the two sets of U-shaped applicator frames 47 are pushed down by the third spring 412, so that the U-shaped applicator frames 47 and the third spring 412 are at the same horizontal height, which improves the contact between the applicator and the skin and avoids the poor touch caused by different heights. At the same time, it will cause insufficient thickness or gaps in the coupling agent in this area, resulting in an air layer between the ultrasound probe and the skin, which reduces the image clarity.

[0040] The electrical connection and control of the liquid storage cylinder 1, motor 22, and connecting wire 5 in this invention are common knowledge in the field. Their working principle is already a well-known technology, and the appropriate model is selected according to actual use, so it will not be explained in detail.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent intelligent coating device, comprising a liquid storage cylinder (1), characterized in that: The upper side of the liquid storage cylinder (1) is provided with a squeezing assembly (2), the lower side of the liquid storage cylinder (1) is provided with a connecting assembly (3), the connecting assembly (3) is provided with a driving assembly (4), the upper side of the squeezing assembly (2) is provided with a connecting line (5), the connecting assembly (3) includes a connector (31) fixedly provided on the lower side of the liquid storage cylinder (1), the inner side of the connector (31) is movably provided with a docking ball sleeve (32), the upper side of the docking ball sleeve (32) is fixedly provided with several sets of spring pieces (33), the lower side of the docking ball sleeve (32) is provided with an inclined slope (34) facing one side, the lower side of the docking ball sleeve (32) is fitted with a circular sleeve (35), the bottom of the circular sleeve (35) is provided with a liquid guide port (36) corresponding to the position of the inclined slope (34), the outer side of the circular sleeve (35) is fixedly provided with a main applicator head (37), the circular sleeve (35) is provided with a liquid guide port (36) at the position of the inclined slope (34), the outer side of the circular sleeve (35) is fixedly provided with a main applicator head (37), the circular sleeve (35) is provided with a liquid guide port (36) corresponding to ... main applicator head (37) corresponding to the position of the inclined slope (34), the circular sleeve (35) is provided with a main applicator head (37) corresponding to the position of the inclined slope (34), the circular sleeve (35) is provided with a main app A fixing rod (38) is fixedly installed inside the sleeve (35) near the center. A limiting ring (39) is fixedly installed on the upper side of the fixing rod (38). A round block (310) is fixedly installed on the outside of the fixing rod (38) at the inclined slope (34). A round groove (311) is opened on the inner side of the round block (310). A first spring (312) is fixedly installed between the limiting ring (39) on the outside of the fixing rod (38) and the round groove (311). A telescopic groove (313) is opened on the lower side of the round block (310) near one side. A positioning shaft (314) is movably installed on the inner side of the telescopic groove (313). A second spring (315) is fixedly installed between the positioning shaft (314) and the upper inner wall of the telescopic groove (313). Positioning grooves (316) are opened on both sides of the bottom of the inner side of the round sleeve (35) near the fixing rod (38). The drive assembly (4) includes a knob ring (41) movably disposed on the outside of the circular sleeve (35). A gear ring (42) is fixedly disposed on the lower side of the knob ring (41). A cover plate (43) is fixedly disposed on the upper end of the main applicator head (37). Two sets of sliding grooves (44) are opened on the inner side of the cover plate (43). Two sets of auxiliary applicator heads (45) are movably disposed on the inner side of the main applicator head (37). Limit strips (46) are fixedly disposed on the outer side of both sets of auxiliary applicator heads (45). U-shaped applicator frames (47) are movably disposed on the lower side of both sets of auxiliary applicator heads (45). The corresponding side of both sets of U-shaped applicator frames (47) is set as an oblique angle. On surface 1 (48), two sets of triangular grooves (49) are provided on the lower side of the two sets of limiting strips (46), and U-shaped parts (410) are fixedly provided on the upper end of the two sets of U-shaped trowel frames (47). Fixing sleeves (411) are fixedly provided on the inner wall of the two sets of auxiliary trowels (45). A third spring (412) is fixedly provided between the U-shaped part (410) and the inner wall of the fixing sleeve (411). Two sets of trowel strips (413) are fixedly provided on the lower side of the main trowel (37). Both sides of the trowel strips (413) are set as inclined surfaces (414). A rack (415) is fixedly provided on the upper end of the two sets of limiting strips (46). The extrusion assembly (2) includes a docking shell (21) threadedly connected to the upper side of the liquid storage cylinder (1). A motor (22) is fixedly installed on the inner side of the docking shell (21). A threaded rod (23) is fixedly installed on the lower side of the rotating shaft of the motor (22). A piston block (24) is threadedly connected to the outer side of the threaded rod (23). Two sets of limiting plates (25) are fixedly installed in the inner wall of the liquid storage cylinder (1). A sliding port (26) is opened on the outer side of the piston block (24) corresponding to the two sets of limiting plates (25). The spring (33) generates resistance to the rotation of the connector (31) on the docking ball sleeve (32). The round sleeve (35) communicates with the inside of the main applicator (37) through the liquid guide port (36). The liquid guide port (36) is offset from the opening on the lower side of the docking ball sleeve (32). Medical staff cover the reservoir (1) and push the main application head (37) downward, so that the connected sleeve (35) drives the fixing rod (38) and the limiting ring (39) to squeeze the first spring (312) downward. At this time, the positioning shaft (314) is driven to leave the inserted positioning groove (316). When it rotates 180 degrees, it is released and pushed downward, so that the positioning shaft (314) fits the bottom of the sleeve (35) and rotates until it is inserted into another positioning groove (316) for positioning. The liquid guide port (36) corresponds to the opening on the lower side of the ball sleeve (32), realizing the internal cavity connection and output of coupling agent. The motor (22) drives the threaded rod (23) to rotate, which drives the threaded piston block (24) to slide downward along the limiting plate (25), thereby squeezing out the coupling agent inside the liquid storage cylinder (1) to achieve the purpose of coating.

2. The intelligent coating device for multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent according to claim 1, characterized in that: The fixing rod (38) and the round block (310) are movably connected. The limiting ring (39) is fitted in the round groove (311). The positioning shaft (314) is inserted into a set of positioning grooves (316). The two sets of positioning grooves (316) are correspondingly set on the rotation trajectory of the positioning shaft (314).

3. The intelligent coating device for multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent according to claim 1, characterized in that: The knob ring (41) and the cover plate (43) are movable. The gear ring (42) is located inside the cover plate (43). The gear ring (42) is meshed with two sets of racks (415). The two sets of auxiliary applicator heads (45) are mirror-symmetrically arranged. The auxiliary applicator head (45) and the main applicator head (37) are slidably arranged.

4. The intelligent coating device for multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent according to claim 1, characterized in that: The inclined surface 1 (48) on the U-shaped trowel frame (47) is fitted with the inclined surface 2 (414) on the trowel strip (413). The U-shaped trowel frame (47) is fitted with the lower side of the auxiliary trowel head (45). The triangular groove (49) is adapted to the inclined surface 2 (414). The U-shaped part (410) is slidably disposed inside the fixed sleeve (411). The rack (415) is slidably disposed in the slide groove (44).

5. The intelligent coating device for multi-degree-of-freedom adaptive variable-diameter ultrasonic coupling agent according to claim 1, characterized in that: The connecting line (5) is electrically connected to the motor (22), the piston block (24) is attached to the inner wall of the liquid storage cylinder (1), and the piston block (24) slides along the limiting piece (25).

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