Polishing machine needle
By designing a polishing bur that integrates cutting and polishing functions, the problem of separating drilling and polishing operations in dental treatment has been solved, enabling an efficient and simple dental treatment process and reducing patient suffering.
Patent Information
- Application Number
- CN202423210993.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Current dental treatment processes require drilling and polishing to be performed separately, resulting in frequent instrument changes, long treatment times, and significant harm to patients.
A polishing bur is designed, which combines a cutting edge and a polishing edge on the same circumference to achieve integrated drilling and polishing operations. The movable tension seat structure facilitates installation and use.
This allows drilling and polishing to be completed simultaneously during dental treatment, simplifying the procedure, improving efficiency, and reducing patient harm.
Smart Images
Figure CN223831205U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of medical device technology, and in particular relates to a polishing bur. Background Technology
[0002] Dental burs, commonly known as dental drills, are used in dental treatments to grind or drill holes in teeth. During the drilling process, in order to ensure a smooth hole wall, it is often necessary to use drilling burs and polishing burs for two operations. This not only requires a variety of instruments and frequent instrument changes, but also results in long operation and waiting times, causing significant harm to patients. Utility Model Content
[0003] To address the aforementioned technical problems, this invention provides a polishing bur that enables simultaneous grinding or drilling during dental treatment, thus facilitating convenient, simple, and efficient work while reducing patient discomfort and pain.
[0004] The technical solution is as follows: a polishing needle includes a first rod body, a second rod body integrally formed at one end of the first rod body, and a hollow head integrally formed at the other end; a movable tensioning seat structure is connected inside the hollow head; a processing head structure is connected to the end of the second rod body, characterized in that the processing head structure includes a processing head, and the outer wall of the processing head is machined with cutting edges and polishing edges.
[0005] Preferably, the cutting edge and polishing edge are located on the same circumference, and multiple cutting edges and polishing edges are provided.
[0006] Preferably, the helix angle of the cutting edge is equal to the helix angle of the polishing edge.
[0007] Preferably, the cutting edge is evenly distributed along the circumference, and its rake angle is 4°-6°, and the included angle between two adjacent teeth of the polishing edge is 9°-11°.
[0008] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0009] In this invention, the cutting edge and polishing edge are designed so that drilling and polishing can be completed in one step during dental treatment, making the work convenient, simple and efficient, and reducing harm to the patient.
[0010] In this invention, the processing head is configured to work in conjunction with the cutting edge and the polishing edge to form the shape. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of this utility model.
[0012] Figure 2This is a schematic diagram of the processing head structure of this utility model.
[0013] Figure 3 This is a schematic diagram of the movable tension seat structure of this utility model.
[0014] Figure 4 This is a schematic diagram of the installation and fastening support structure of this utility model.
[0015] In the picture:
[0016] 1. First shaft; 2. Second shaft; 3. Hollow head; 4. Machining head structure; 41. Machining head; 42. Cutting edge; 43. Polishing edge; 5. Movable tensioning seat structure; 51. Movable shell; 52. Sealing cover; 53. Transmission rod; 54. Trigger plate; 55. Expansion seat; 56. Mounting and fastening support structure; 561. Anti-wear seat; 562. Connecting cavity; 563. Crossbar head; 564. Contact seat. Detailed Implementation
[0017] The present invention will be further described below with reference to the accompanying drawings:
[0018] Example:
[0019] As attached Figure 1 As shown, a polishing tool includes a first rod body 1, a second rod body 2 integrally formed at one end of the first rod body 1, and a hollow head 3 integrally formed at the other end; a movable tensioning seat structure 5 is connected inside the hollow head 3; and a processing head structure 4 is connected to the end of the second rod body 2.
[0020] As attached Figure 2 As shown in the above embodiment, specifically, the processing head structure 4 includes a processing head 41, and the outer wall of the processing head 41 is processed with cutting edges 42 and polishing edges 43.
[0021] As attached Figure 3 As shown in the above embodiment, specifically, the movable tensioning seat structure 5 includes a movable shell 51, a sealing cover 52 is threadedly connected to the lower side of the movable shell 51, and a transmission rod 53 is inserted inside the sealing cover 52; one end of the transmission rod 53 is threadedly connected to a trigger disc 54, and the other end is threadedly connected to an expansion seat 55; mounting and fastening support structures 56 are installed around the upper part of the movable shell 51; turning the first rod body 1 and the hollow head 3 causes the movable shell 51 to rise and fall within the hollow head 3.
[0022] As attached Figure 4As shown in the above embodiment, specifically, the mounting fastening support structure 56 includes an anti-wear seat 561. A connecting cavity 562 is provided on the right side inside the anti-wear seat 561, and a crossbar head 563 is bolted to the left side of the inner wall of the connecting cavity 562. A contact seat 564 is threaded to the right end of the crossbar head 563. The inner wall of the hollow head 3 presses against the trigger disc 54 to drive the transmission rod 53 and the expansion seat 55 to rise and fall. During the rising and falling of the expansion seat 55, the anti-wear seat 561 is moved and expanded through the contact seat 564 and the crossbar head 563.
[0023] In the above embodiments, specifically, the cutting edge 42 and the polishing edge 43 have their tips on the same circumference, and multiple cutting edges 42 and polishing edges 43 are provided.
[0024] The helix angle of the cutting edge 42 is equal to the helix angle of the polishing edge 43.
[0025] The cutting edge 42 is evenly distributed along the circumference, and its rake angle is 4°-6°. The included angle between two adjacent cutting teeth of the polishing edge 43 is 9°-11°.
[0026] The processing head 41 is integrally set at the right end of the second rod body 2, the movable shell 51 is threadedly connected to the hollow head 3, and the crossbar head 563 is inserted around the inside of the movable shell 51.
[0027] The bottom of the transmission rod 53 engages with the trigger disc 54 to contact the end face inside the hollow head 3.
[0028] The expansion seat 55 is configured as a trapezoidal body, and all four sides are in contact with the contact seat 564 with an inclined surface.
[0029] Multiple anti-wear seats 561 are provided, and they are fitted around the movable shell 51 with the connecting cavity 562. They can be expanded to increase the tightness of the installation and prevent easy falling off.
[0030] Working principle
[0031] The working principle of this utility model is as follows: When performing drilling and polishing treatment on teeth, the first rod body 1 and the hollow head 3 are turned to make the movable shell 51 rise and fall inside the hollow head 3. Then, the inner wall of the hollow head 3 presses against the trigger plate 54, which drives the transmission rod 53 and the expansion seat 55 to rise and fall. During the rising and falling of the expansion seat 55, the anti-wear seat 561 is moved and expanded through the contact seat 564 and the crossbar head 563. In this way, it can be installed on the drilling machine in conjunction with the first rod body 1. After installation, rotating it can make the cutting edge 42 perform drilling work and the polishing edge 43 perform polishing work to complete the treatment.
[0032] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution of this utility model, falls within the protection scope of this utility model.
Claims
1. A polishing bur, comprising a first shaft (1), one end of which is integrally provided with a second shaft (2), and the other end of which is integrally provided with a hollow head (3); a movable tensioning seat structure (5) is internally connected to the hollow head (3); and a processing head structure (4) is connected to the end of the second shaft (2), characterized in that, The processing head structure (4) includes a processing head (41), and the outer wall of the processing head (41) is machined with cutting edges (42) and polishing edges (43).
2. The polishing tool as described in claim 1, characterized in that, The movable tensioning seat structure (5) includes a movable shell (51), a sealing cover (52) is threaded to the lower side inside the movable shell (51), and a transmission rod (53) is inserted inside the sealing cover (52); one end of the transmission rod (53) is threaded to a trigger plate (54), and the other end is threaded to an expansion seat (55); a mounting fastening support structure (56) is installed around the upper part of the movable shell (51); the mounting fastening support structure (56) includes an anti-wear seat (561), a connecting cavity (562) is opened on the right side inside the anti-wear seat (561), and a crossbar head (563) is bolted to the left side of the inner wall of the connecting cavity (562); a contact seat (564) is threaded to the right end of the crossbar head (563).
3. The polishing tool as described in claim 1, characterized in that, The cutting edge (42) and polishing edge (43) have their tips on the same circumference, and there are multiple cutting edges (42) and polishing edges (43).
4. The polishing tool as described in claim 1, characterized in that, The helix angle of the cutting edge (42) is equal to that of the polishing edge (43). The cutting edge (42) is evenly distributed along the circumference, and its rake angle is 4º-6º. The included angle between two adjacent cutting teeth of the polishing edge (43) is 9º-11º.
5. The polishing tool as described in claim 2, characterized in that, The processing head (41) is integrated into the right end of the second rod body (2), the movable shell (51) is threaded into the hollow head (3), and the crossbar head (563) is inserted around the inside of the movable shell (51).
6. The polishing tool as described in claim 2, characterized in that, The bottom of the transmission rod (53) is engaged with the trigger disc (54) to contact the end face inside the hollow head (3).
7. The polishing tool as described in claim 2, characterized in that, The expansion seat (55) is configured as a trapezoidal body, and all four sides are in contact with the contact seat (564) with the inclined surface.