Transmission Module of Tooth Cleaner

Abstract

The present invention provides a transmission module for a dental scaler, which includes a horn (1) and a working tip (2). The horn (1) and the working tip (2) are provided with a flow channel communicating with each other. The working tip (2) is provided with a liquid outlet, and the horn (1) is provided with a liquid inlet. It is characterized in that the liquid inlet is connected with a liquid inlet pipe or a liquid inlet joint (3). The advantage is that the set flow channel structure is particularly applicable to the case where the transducer uses a magnetostrictive rod.

Description

Technical Field

[0001] The invention relates to the technical field of tooth cleaning machine related structures, in particular to a transmission module of a tooth cleaning machine. Background Art

[0002] The working principle of the dental cleaning machine is to transmit vibration to the working tip through the transducer, and the working tip realizes cleaning and other functions. The transmission module is one of the core parts, and the transmission module is mainly composed of a variable amplitude rod and a working tip. In the prior art, a more preferred solution is: one end of the variable amplitude rod is connected to the working tip, and the other end of the variable amplitude rod is connected to the transducer, thereby realizing the transmission of the vibration of the transducer to the working tip.

[0003] The water channel setting structure currently used is preferably the solution disclosed in a tooth cleaning machine handle with the authorization publication (announcement) number CN205433973U, in which the water pipe 3 extends through the transducer 4 to the working tip 8, and the water pipe 3 extends to the working tip 8 through the transducer 4. Figure 1 It can be seen that a channel is opened axially inside the transducer 4 as a component of the water pipe 3, but this structure has a significant problem, that is, it cannot be used in a dental scaler using a magnetostrictive rod as the transducer.

[0004] In the tooth cleaning machine with a magnetostrictive rod as the transducer, someone proposed a new concept, namely, a built-in water-jet magnetostrictive tooth cleaning machine with the authorization publication (announcement) number CN204501071U, including a magnetic oxygen composite 3, a coil 4, a connecting rod 2 and a working head 1. Among them, the utility patent Figure 1As shown, one end of the connecting rod 2 is connected to the magnetic-oxygen composite 3, and the working head 1 is connected to the other end of the connecting rod 2 and bent downward. It is characterized in that the connecting rod 2 has a built-in water spray pipe 6, and the water spray pipe 6 includes a water inlet 61 and a water spray port 62. In this embodiment, the water inlet 61 and the water spray port 62 are respectively formed at the two ends of the water spray pipe 6, and at least one water inlet communicating with the water inlet 61 is formed on the outer wall of the connecting rod 2. In this embodiment, the water inlet is preferably one, but is not limited to one, and can also be two, three, four, etc. Multiple water inlets are arranged circumferentially along the outer wall of the connecting rod 2 and are all connected to the water inlet 61 of the water spray pipe 6. A water channel is formed in the working head 1, and a water outlet connected to the water channel is formed in the working tip 12 of the working head 1, and the water spray port 62 extends into the water channel. As for how to supply water, the scheme mentions that a receiving chamber 71 is formed in the handle jacket 7, and one end of the magnetic oxygen composite 3 and the connecting rod 2 having at least one water inlet is placed in the receiving chamber 71, and the other end of the connecting rod 2 and the working head 1 connected to the other end are placed outside the receiving chamber 71, and the receiving chamber 71 is connected to the water supply system, and a sealing ring 8 is provided on the outer wall of the connecting rod 2 to prevent water from overflowing from the receiving chamber. The sealing ring 8 is preferably a rubber sealing ring. It can be seen that the magnetic oxygen composite 3 and the end of the connecting rod 2 with at least one water inlet are placed in the accommodating chamber 71 to supply water, that is, the magnetic oxygen composite 3 and the end of the connecting rod 2 with at least one water inlet are both soaked in water, which still has a big problem and is difficult to implement from an engineering perspective. For example, a sealing ring 8 is provided on the outer wall of the connecting rod 2 to prevent water from overflowing out of the accommodating chamber. When the magnetic oxygen composite 3 drives the connecting rod 2 to vibrate, a gap will be generated between the connecting rod 2 and the sealing ring 8 due to vibration, resulting in obvious leakage. In addition, The water body will consume the energy of the magnetic oxygen composite 3 during vibration, resulting in excessive vibration loss, failure to meet the vibration requirements, and inability to guarantee performance. At the same time, the magnetic oxygen composite 3 is soaked in water, causing excessive vibration to the water body, affecting water spraying. In addition to the public scheme of this utility model, there are similar schemes, but the ideas they adopt are the same as those mentioned above. In order to supply water, it is necessary to soak in water or liquid. In short, the degree of disclosure and inspiration of the prior art are limited. For the case where the transducer adopts a magnetostrictive rod, how to set the flow channel structure is still very difficult. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a transmission module of a tooth cleaning machine, wherein the flow channel structure is particularly suitable for the case where the transducer adopts a magnetostrictive rod.

[0006] In order to solve the above technical problems, the present invention proposes a transmission module of a dental cleaning machine, including a variable amplitude rod and a working tip, the variable amplitude rod and the working tip are provided with flow channels connected to each other, the working tip is provided with a liquid outlet, the variable amplitude rod is provided with a liquid inlet, and the liquid inlet is connected to a liquid inlet pipe or a liquid inlet connector.

[0007] Preferably, the horn and the working tip are detachably connected, and a transition cavity is provided between the flow channel outlet of the horn and the flow channel inlet of the working tip.

[0008] Preferably, a sealing ring is provided at the detachable connection between the amplitude transformer and the working tip.

[0009] Preferably, one end of the liquid inlet connector is sealed and connected to the liquid inlet, and the other end is a quick connector.

[0010] Preferably, the liquid inlet connector is L-shaped, comprising a radial portion and an axial portion.

[0011] Preferably, the amplitude transformer is provided with an axial hole and a radial hole which are interconnected, and the inlet of the radial hole serves as the liquid inlet.

[0012] Preferably, the liquid inlet pipe is provided with a flexible or elastic part, or the liquid inlet joint is provided with a flexible or elastic part, or the part where the liquid inlet pipe is connected to the liquid supply end is a movable part, or the part where the liquid inlet joint is connected to the liquid supply end is a movable part.

[0013] Preferably, the working tip is an external thread, the amplitude transformer is an internal thread, and the working tip is threadedly connected to the amplitude transformer.

[0014] Preferably, a depression is provided at the flow channel outlet of the working tip.

[0015] Preferably, the concave surface opposite to the flow channel outlet of the working tip is an arc surface, and the liquid outlet direction of the arc surface is directed toward the tip of the working tip.

[0016] After adopting the above scheme, compared with the prior art, the present invention has the following advantages: by separately arranging a liquid inlet pipe or a liquid inlet joint, the transducer, such as the magnetostrictive rod, can be avoided, and the liquid inlet pipe or the liquid inlet joint is used as a component of the flow channel structure, so that the entire flow channel structure is particularly suitable for the case where the transducer adopts a magnetostrictive rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a cross-sectional view of the first embodiment of the present application.

[0018] Figure 2 for Figure 1 Cross-sectional view of the connected catheter and magnetostrictive rod.

[0019] Figure 3 for Figure 2 Partial cutaway view installed in scaler handle.

[0020] Figure 4 This is a cross-sectional view of the second embodiment of the present application.

[0021] As shown in the figure, 1. amplitude transformer, 2. working tip, 3. liquid inlet joint, 4. catheter, 5. transition chamber, 6. sealing ring, 7. depression, 8. arc surface, 9. shell, 10. mounting sleeve, 11. magnetostrictive rod, 12. coil, 13. annular protrusion, and 14. interval. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below:

[0023] A transmission module of a dental scaler includes a horn 1 and a working tip 2. The horn 1 and the working tip 2 are provided with mutually connected flow channels. The working tip 2 is provided with a liquid outlet. The horn 1 is provided with a liquid inlet, and the liquid inlet is connected with a liquid inlet pipe or a liquid inlet joint 3. For the case of the liquid inlet pipe, a simple setting is to extend the liquid inlet joint 3 to form the liquid inlet pipe. For the case of the liquid inlet joint 3, since it is not long enough, a catheter 4 or other liquid supply structure needs to be connected in order to supply liquid.

[0024] The horn 1 and the working tip 2 are detachably connected, and a transition cavity 5 is provided between the flow channel outlet of the horn 1 and the flow channel inlet of the working tip 2. The existence of the transition cavity 5 is conducive to the stability of liquid supply and good liquid supply effect.

[0025] A sealing ring 6 is provided at the detachable connection between the horn 1 and the working tip 2, which is more conducive to sealing and avoids leakage of liquid in the flow channel.

[0026] One end of the liquid inlet connector 3 is sealed with the liquid inlet, and the other end is a quick connector, so that the quick connector can be used to quickly connect the catheter 4. Examples of sealed connections include: 1) one end of the liquid inlet connector 3 is inserted into the liquid inlet and sealed with glue; 2) one end of the liquid inlet connector 3 is inserted into the liquid inlet, and the liquid inlet connector 3 is welded to the horn 1, and sealing is achieved by welding.

[0027] The liquid inlet connector 3 is L-shaped, including a radial portion and an axial portion, so that the structure is simple and the arrangement is convenient.

[0028] The horn 1 is provided with an axial hole and a radial hole which are interconnected, and the entrance of the radial hole serves as the liquid inlet. In this way, the flow channel is reasonably arranged and it is also convenient to install the liquid inlet pipe or the liquid inlet joint 3.

[0029] The liquid inlet pipe is provided with a flexible or elastic part, or the liquid inlet connector 3 is provided with a flexible or elastic part, or the part where the liquid inlet pipe is connected to the liquid supply end is a movable part, or the part where the liquid inlet connector 3 is connected to the liquid supply end is a movable part. The purpose of such a setting is to, on the one hand, improve the connection reliability, such as the sealed connection between the liquid inlet connector 3 and the conduit 4, and on the other hand, minimize the impact on vibration during vibration, that is, during vibration, the liquid inlet pipe or the liquid inlet connector 3 is movable by using the flexible or elastic part or the movable part, so as not to restrain the vibration. For example, rubber tubes, silicone connectors, etc. are all applicable. For the case of a movable part, for example, a silicone connector is provided at the liquid supply end, and after the liquid inlet connector 3 is plugged into the silicone connector, the silicone connector becomes a movable part.

[0030] The working tip 2 is an external thread, the horn 1 is an internal thread, and the working tip 2 is threadedly connected to the horn 1, so that the thread interface of the working tip 2 is not easily deformed.

[0031] A depression 7 is provided at the outlet of the flow channel of the working tip 2, so that the liquid is injected into the depression 7 and reflected by the depression 7, resulting in a better spraying effect.

[0032] The surface of the depression 7 opposite to the flow channel outlet of the working tip 2 is a curved surface 8, and the liquid outlet direction of the curved surface 8 is directed toward the tip of the working tip 2. In this way, the structure is reasonable and the liquid spraying effect is better.

[0033] Figure 3 The figure shows a simple example of the application of the present invention, which includes a housing 9 and a mounting sleeve 10. The housing 9 is sleeved with the mounting sleeve 10. The outer surface of the mounting sleeve 10 is provided with a coil 12. The rear part of the horn 1 and the magnetostrictive rod 11 are inserted into the mounting sleeve 10. The circumference of the horn 1 is provided with an annular protrusion 13. These annular protrusions 13 cover the front end of the mounting sleeve 10, thereby realizing the separation between the front end of the housing 9 and the interior of the mounting sleeve 10. In addition, the axial part of the liquid inlet joint 3 and the conduit 4 are located in the interval 14 between the housing 9 and the mounting sleeve 10. It can be seen that the present invention can avoid the transducer by separately setting the liquid inlet pipe or the liquid inlet joint.

[0034] The above description is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, characteristics and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A transmission module of a dental scaler, comprising a horn (1) and a working tip (2). The horn (1) and the working tip (2) are provided with communicating channels. The working tip (2) is provided with a liquid outlet, and the horn (1) is provided with a liquid inlet. Characterized in that, The liquid inlet is connected with a liquid inlet joint (3); One end of the liquid inlet joint (3) is sealingly connected to the liquid inlet, and the other end is a quick connector. The liquid inlet joint (3) is L-shaped, including a radial part and an axial part. The quick connector is provided on the axial part, and the radial part extends outward so that the axial part is arranged transversely side by side on the outer periphery of the horn (1), so that the quick connector avoids the magnetostrictive rod (11); The quick connector can achieve quick connection with a conduit (4), and the part of the connecting conduit (4) connected to the quick connector serves as a liquid supply end; The liquid inlet joint (3) is provided with a flexible or elastic part, or the part of the liquid inlet joint (3) connected to the liquid supply end is a movable part; It further includes a housing (9) and a mounting sleeve (10). The housing (9) is sleeved with the mounting sleeve (10). A coil (12) is provided on the outer surface of the mounting sleeve (10). The rear part of the horn (1) and the magnetostrictive rod (11) are inserted into the mounting sleeve (10). Annular protrusions (13) are provided on the circumference of the horn (1), and these annular protrusions (13) cover the front end of the mounting sleeve (10), so as to realize the separation between the inside of the front end of the housing (9) and the inside of the mounting sleeve (10). The axial part of the liquid inlet joint (3) and the conduit (4) are located in the gap (14) between the housing (9) and the mounting sleeve (10).

2. The transmission module of the dental scaler according to claim 1, Characterized in that, The horn (1) and the working tip (2) are detachably connected, and a transition cavity (5) is provided between the flow channel outlet of the horn (1) and the flow channel inlet of the working tip (2).

3. The transmission module of the dental scaler according to claim 2, Characterized in that, A sealing ring (6) is provided at the detachable connection of the horn (1) and the working tip (2).

4. The transmission module of the dental scaler according to claim 1, Characterized in that, The horn (1) is provided with an axially communicating hole and a radially communicating hole, and the inlet of the radially communicating hole serves as the liquid inlet.

5. The transmission module of the dental scaler according to claim 1, Characterized in that, The working tip (2) has an external thread, the horn (1) has an internal thread, and the working tip (2) is threadedly connected to the horn (1).

6. The transmission module of the dental scaler according to claim 1, Characterized in that, A depression (7) is provided at the flow channel outlet of the working tip (2).

7. The transmission module of the dental scaler according to claim 6, Characterized in that, The surface of the depression (7) opposite to the flow channel outlet of the working tip (2) is an arc surface (8), and the guiding liquid outlet direction of the arc surface (8) is towards the tip of the working tip (2).

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