Torsion transmission assembly and ultrasonic treatment equipment
By designing a torque transmission component that includes a limiting ring and an elastic layer, the problem of the transducer in ultrasonic therapy equipment getting stuck due to torsion is solved, achieving higher comfort and longer equipment life.
Patent Information
- Application Number
- CN202421035477.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-14
AI Technical Summary
When using an ultrasonic tooth scrubber or ultrasonic bone knife machine, the transducer is easily stuck due to torque, resulting in a decrease in comfort or heat, affecting the patient's experience and equipment life.
A torque transmission component is designed, including a transducer, a plug, a waterproof covering layer and a shell. Through the cooperation of the limit ring and the elastic layer, torque transmission is achieved and jamming is avoided.
It effectively reduces the impedance and power loss of the transducer, improves the comfort of the transducer, avoids jamming, and extends the service life of the equipment.
Smart Images
Figure CN222367821U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical equipment, and specifically relates to a torque transmission component and ultrasonic treatment equipment. Background Art
[0002] Ultrasonic tooth cleaning machines and ultrasonic bone cutting machines use electronic oscillation circuits to generate ultrasonic frequency electric pulse waves, which are amplified to a certain intensity and transmitted to the transducer to convert electrical energy into mechanical energy, stimulating the working tip to produce vibrations of the same frequency. Ultrasonic tooth cleaning machines mainly achieve the purpose of breaking up tartar or quickly and efficiently removing smoke stains, tea stains, and pigments on the surface of teeth, while ultrasonic bone cutting machines mainly achieve the purpose of cutting or collecting bone tissue.
[0003] When using an ultrasonic dental scaler or an ultrasonic bone cutter, it is necessary to apply torque to the handle and the working tip through a torque wrench to disassemble and assemble the working tip. When the working tip is repeatedly disassembled and assembled, the transducer is easily rotated by the torque. If the transducer is not reset in time or is difficult to reset, it is easy to cause the transducer to become less comfortable or to heat up, thereby affecting the patient experience or affecting the life of the transducer. In severe cases, it may cause the transducer to fail.
[0004] In the prior art, on the one hand, the plug and the front cover plate are usually matched with a regular hexagonal edge structure to achieve torque transmission, but the transducer is prone to getting stuck during use, resulting in poor transducer comfort; on the other hand, a plane is usually set on the rear cover plate and matched with the clamping ring plane to achieve torque transmission, but it is easy to cause the torsional amplitude of the transducer to increase, thereby causing power loss of the transducer.
[0005] In view of this, it is necessary to improve the defects of the prior art to overcome the deficiencies in practical applications. Utility Model Content
[0006] Based on the above-mentioned shortcomings and deficiencies in the prior art, one of the purposes of the present invention is to at least solve one or more of the above-mentioned problems in the prior art. In other words, one of the purposes of the present invention is to provide a torque transmission component and ultrasonic treatment equipment that meet one or more of the above-mentioned needs.
[0007] In order to achieve the above utility model purpose, the utility model adopts the following technical solutions:
[0008] The utility model provides a torque transmission component, including a transducer, a plug, a waterproof covering layer and a shell, the transducer including a front cover plate, a rear cover plate and a limit ring, the front cover plate is threadedly matched with the rear cover plate, the front cover plate is used to connect a working tip, the front cover plate is sleeved with the plug, the rear cover plate is sleeved with the limit ring, the limit ring is snap-fitted with the plug; the outer side of the transducer is coated with a waterproof covering layer, the waterproof covering layer and the outer side of the plug are used to connect the shell.
[0009] As a preferred solution, a plurality of raised blocks are evenly arranged on the outer circumference of the limiting ring, and a plurality of grooves are arranged on the plug, and the grooves are snap-fitted with the raised blocks in a one-to-one correspondence.
[0010] As a preferred solution, the surface of the limiting ring is coated with an elastic layer, and the thickness of the elastic layer is set to 0.1-2 mm.
[0011] As a preferred embodiment, the outer wall of the plug is provided with a first plane and a first curved surface, the inner wall of the shell is provided with a second plane and a second curved surface, the first plane matches with the second plane, and the first curved surface matches with the second curved surface.
[0012] As a preferred embodiment, the plug is provided with a rotating body, and the inner wall of the outer shell is provided with a rotating curved surface, and the rotating curved surface cooperates with the rotating body; a coaxial device is provided between the rotating body and the waterproof covering layer, and the coaxial device, the rotating body and the waterproof covering layer are coaxially arranged.
[0013] As a preferred solution, cone heads are installed on the outer sides of the plug and the front cover plate, the cone heads are threadably matched with the plug, and the cone heads are in contact with the outer shell.
[0014] As a preferred solution, the limiting ring is arranged at the position where the acoustic wave node is located on the transducer.
[0015] As a preferred solution, one end of the waterproof covering layer is connected to the top cover, one end of the top cover is connected to the fixing seat, the outer side of the top cover is connected to the outer shell, and the fixing seat is buckled with the outer shell.
[0016] As a preferred solution, the waterproof covering layer is configured to include one or more of silicone, fluororubber, and nitrile rubber.
[0017] The utility model also provides an ultrasonic treatment device, comprising a torque transmission component as described in any of the above schemes, wherein the torque transmission component is connected to a working tip and is used for disassembling and installing the working tip.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] The utility model provides a torque transmission component, which transmits torque when disassembling and assembling the working tip of the dental cleaning machine, which can not only reduce the impedance and power loss of the transducer and improve the comfort of the transducer, but also is simple and practical to assemble and effectively saves the use cost.
[0020] The utility model provides a torque transmission component, which can avoid the transducer from getting stuck by providing an elastic layer on the limit ring, so that the transducer rebounds and resets in time after being pressurized, thereby ensuring the working performance of the transducer. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, drawings of other embodiments can be obtained based on these drawings without paying any creative work.
[0022] Figure 1 It is a structural schematic diagram of a torque transmission assembly of an embodiment of the utility model;
[0023] Figure 2 yes Figure 1 Cross-sectional view of the middle DD;
[0024] Figure 3 yes Figure 1 Cross-sectional view of EE;
[0025] Figure 4 It is a structural schematic diagram of a plug according to an embodiment of the utility model;
[0026] Figure 5 It is a schematic diagram of the structure of the housing of an embodiment of the utility model;
[0027] Figure 6 Schematic diagram of vibration mode of the transducer of the embodiment of the utility model;
[0028] In the figure: 1 transducer, 11 front cover plate, 12 rear cover plate, 13 limit ring, 131 raised block, 14 piezoelectric ceramic module, 15 glue injection ring, 2 plug, 21 groove, 22 first plane, 23 first curved surface, 24 rotating body, 3 waterproof covering layer, 4 shell, 41 second plane, 42 second curved surface, 43 rotating curved surface, 5 cone head, 6 coaxial device, 7 top sleeve, 8 fixed seat, 9 sealing ring. DETAILED DESCRIPTION
[0029] In order to more clearly illustrate the embodiments of the present application, the specific implementation methods of the present application will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.
[0030] In the description of the embodiments of the present application, the terms "front", "rear", "inner", "outer", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", etc. are only used to distinguish in the description and have no special meaning.
[0031] According to some embodiments of the present application, please refer to Figures 1 to 6 As shown, a torque transmission component is provided, including a transducer 1, a plug 2, a waterproof covering layer 3 and a shell 4. The transducer 1 includes a front cover plate 11, a rear cover plate 12 and a limit ring 13. The front cover plate 11 is threadedly matched with the rear cover plate 12. The front cover plate 11 is used to connect the working tip. The front cover plate 11 is sleeved with the plug 2, and the rear cover plate 12 is sleeved with the limit ring 13. The limit ring 13 is snap-fitted with the plug 2; the outer side of the transducer 1 is coated with a waterproof covering layer 3, and the outer sides of the waterproof covering layer 3 and the plug 2 are used to connect the shell 4; when the shell 4 is rotated to disassemble and assemble the working tip, torque transmission can be achieved and the comfort of the transducer can be ensured, so as to avoid the failure of the transducer due to the action of torque.
[0032] In an embodiment of the present application, a plurality of protrusions 131 are evenly arranged on the outer circumference of the limiting ring 13, and a plurality of grooves 21 are arranged on the plug 2. The grooves 21 are snap-fitted with the protrusions 131 in a one-to-one correspondence. The relative position of the transducer 1 and the plug 2 is fixed by the cooperation between the protrusions 131 on the limiting ring 13 and the grooves 21 on the plug 2.
[0033] Furthermore, if only one protrusion 131 is provided, the deformation will tend to increase, the torque transmission will increase and the transmission will be unbalanced. For this reason, at least two protrusions 131 are provided, and they are symmetrically arranged relative to the circumference of the limiting ring 13. The number of grooves 21 of the plug 2 corresponds to the number of protrusions 31 to ensure that each protrusion 131 is engaged with each groove 21.
[0034] It should be noted that the number of the protrusions 131 can also be set to three, four or more, and the multiple protrusions 131 are arranged in an array along the circumference of the limiting ring 13, and accordingly, the grooves 21 provided on the plug 2 are arranged corresponding to the protrusions 131. The more the number of protrusions 131 and grooves 21 is set, the smaller the deformation during torque transmission, the smaller the torque transmission, and the better the comfort of the transducer when it is twisted.
[0035] Furthermore, the surface of the limiting ring 13 is coated with an elastic layer, and the thickness of the elastic layer is set to 0.1-2 mm, preferably 1 mm. In practical applications, the thickness of the elastic layer can be arbitrarily selected within the range of 0.1-2 mm according to requirements.
[0036] Furthermore, the elastic layer can be set to a rubber material with a hardness of 40 to 90HA, which can not only drain water from the transducer, but also provide resilience and reset after pressurization, ensuring that the transducer will not be stuck due to tightening or disassembling the working tip, thereby avoiding a decrease in comfort or heating of the transducer.
[0037] In an embodiment of the present application, the outer wall of the plug 2 is provided with a first plane 22 and a first curved surface 23, and the inner wall of the outer shell 4 is provided with a second plane 41 and a second curved surface 42. The first plane 22 and the second plane 41 are respectively coated with a glue layer and match each other, and the first curved surface 23 and the second curved surface 42 are respectively coated with a glue layer and match each other.
[0038] Furthermore, the plug 2 is provided with a rotating body 24, and the inner wall of the outer shell 4 is provided with a rotating curved surface 43, and the rotating curved surface 43 cooperates with the rotating body 24. Through the cooperation between the plug 2 and the outer shell 4, not only can the relative fixation of the plug 2 and the outer shell 4 be ensured, and the torque transmission between the plug 2 and the outer shell 4 be achieved, but also the transducer 1 inside the outer shell 4 can be sealed and waterproofed.
[0039] Furthermore, a coaxial device 6 is provided between the rotating body 24 and the waterproof covering layer 3. The coaxial device 6, the rotating body 24 and the waterproof covering layer 3 are coaxially arranged. The coaxial device 6 can ensure the coaxiality of the transducer 1 and the housing 4 and the comfort of the transducer 1.
[0040] In the embodiments of the present application, Figure 6 As shown, the limit ring 13 is arranged at the position where the acoustic wave node O is located on the transducer 1. When the ultrasonic vibration propagates on the transducer, a vibration mode is formed as shown in A. The transducer has an acoustic wave node O on the vibration mode A at the resonant frequency. The amplitude of the ultrasonic vibration at the position of the acoustic wave node O is the smallest, and the amplitude is close to zero. By installing the limit ring 13 at the position of the acoustic wave node O, not only can the structural rigidity of the limit ring be guaranteed to avoid fracture and failure during torque transmission, but also the impedance of the transducer can be reduced and the performance of the transducer can be improved.
[0041] In the embodiment of the present application, the transducer 1 further includes a piezoelectric ceramic module 14 and a glue injection ring 15, the limiting ring 13 is sleeved on the rear cover plate 12, and the glue injection ring 15 is sleeved on the front cover plate 11, and the limiting ring 13, the piezoelectric ceramic module 14 and the glue injection ring 15 are tightly pressed between the front cover plate 11 and the rear cover plate 12 to form an integral structure. By installing the working tip on the front cover plate, when the torque of tightening the working tip is transmitted to the limiting ring 13 through the front cover plate 11, and then transmitted to the plug 2 and the housing 6 through the limiting ring 13, the working tip can be disassembled and installed through the relative movement of the housing and the working tip.
[0042] In an embodiment of the present application, a cone head 5 is installed on the outer side of the plug 2 and the front cover plate 11 , the cone head 5 is threadedly matched with the plug 2 , and the cone head 5 is abutted against the outer shell 4 , thereby wrapping the transducer 1 inside the outer shell 4 and the cone head 5 .
[0043] In the embodiment of the present application, one end of the waterproof covering layer 3 is connected to the top cover 7, the other end of the top cover 7 is connected to the fixing seat 8, the outer side of the top cover 7 is connected to the outer shell 4, and the fixing seat 8 is buckled with the outer shell 4.
[0044] Furthermore, a sealing ring 9 is provided between the waterproof covering layer 3 and the top cover 7. One side of the sealing ring 9 is in contact with the waterproof covering layer 3, and a mounting hole is provided on the other side of the sealing ring 9. A positioning pin is installed at the end of the top cover 7, and the positioning pin cooperates with the mounting hole to buckle the top cover 7 onto the waterproof covering layer 3.
[0045] In the embodiment of the present application, the waterproof covering layer 3 is configured to include one or more of silicone, fluororubber, and nitrile rubber. It can be configured specifically according to actual needs. The waterproof covering layer 3 has good water resistance, air tightness, and excellent bonding properties, which can achieve sealing and waterproofing of the transducer 1, prevent the transducer 1 from being corroded by high-temperature water vapor, ensure good internal electrical properties, and thus ensure the performance of the transducer.
[0046] According to some embodiments of the present application, an ultrasonic treatment device is also provided, comprising the torque transmission assembly as described above, wherein the torque transmission assembly is connected to a working tip and is used for disassembling and installing the working tip.
[0047] According to a torque transmission assembly of the present application, when disassembling and assembling the working tip, the specific manual operation process is as follows:
[0048] By tightening the outer wall of the working tip of the ultrasonic treatment device with one hand and holding the fixed outer shell with the other hand, a tightening force is applied to the working tip, and the torque of the tightened working tip is transmitted to the limit ring through the front cover plate, and then transmitted to the plug and the outer shell through the limit ring, the process of tightening and disassembling the working tip can be completed. When disassembling and assembling the working tip, not only the impedance and power loss of the transducer can be reduced, but also the assembly is simple and practical, effectively saving the use cost.
[0049] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0050] The above description is only a detailed description of the preferred embodiments and principles of the present application. For ordinary technicians in this field, according to the ideas provided by the present utility model, there will be changes in the specific implementation methods, and these changes should also be regarded as the scope of protection of the present application.
Claims
1. A torque transmission assembly, characterized in that: It includes a transducer, a plug, a waterproof covering layer and a shell, the transducer includes a front cover plate, a rear cover plate and a limit ring, the front cover plate is threadedly matched with the rear cover plate, the front cover plate is used to connect the working tip, the front cover plate is sleeved with the plug, the rear cover plate is sleeved with the limit ring, the limit ring is snap-fitted with the plug; the outer side of the transducer is covered with a waterproof covering layer, the waterproof covering layer and the outer side of the plug are used to connect the shell.
2. A torque transmission assembly according to claim 1, characterized in that: The outer circumference of the limiting ring is evenly provided with a plurality of protrusions, and the plug is provided with a plurality of grooves, and the grooves are snap-fitted with the protrusions in a one-to-one correspondence.
3. A torque transmission assembly according to claim 1, characterized in that: The surface of the limiting ring is coated with an elastic layer, and the thickness of the elastic layer is set to 0.1-2 mm.
4. A torque transmission assembly according to claim 1, characterized in that: The outer wall of the plug is provided with a first plane and a first curved surface, the inner wall of the shell is provided with a second plane and a second curved surface, the first plane matches with the second plane, and the first curved surface matches with the second curved surface.
5. A torque transmission assembly according to claim 1, characterized in that: The plug is provided with a rotating body, and the inner wall of the shell is provided with a rotating curved surface, and the rotating curved surface cooperates with the rotating body; a coaxial device is provided between the rotating body and the waterproof covering layer, and the coaxial device, the rotating body and the waterproof covering layer are coaxially arranged.
6. A torque transmission assembly according to claim 1, characterized in that: Conical heads are installed on the outer sides of the plug and the front cover plate. The conical heads are matched with the plug threads and abut against the shell.
7. A torque transmission assembly according to claim 1, characterized in that: The limiting ring is arranged at the position where the acoustic wave node is located on the transducer.
8. A torque transmission assembly according to claim 1, characterized in that: One end of the waterproof covering layer is connected to the top cover, one end of the top cover is connected to the fixing seat, the outer side of the top cover is connected to the outer shell, and the fixing seat is buckled with the outer shell.
9. A torque transmission assembly according to claim 1, characterized in that: The waterproof covering layer is configured to include one of silica gel, fluororubber and nitrile rubber.
10. An ultrasonic treatment device, characterized in that: It comprises a torque transmission assembly as claimed in any one of claims 1 to 9, wherein the torque transmission assembly is connected to a working tip and is used for disassembling and installing the working tip.