High-temperature-resistant encapsulated silica gel structure of POM material for dental bend passive shaft
Patent Information
- Application Number
- CN202521079932.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-05-29
AI Technical Summary
[0005]本实用新型的目的在于提供护牙弯角被动轴POM材料改性耐高温包胶硅胶结构,以解决上述背景技术中提出的现有塑胶抛光杯在旋转摩擦牙齿时,会产生塑胶粉末环境污染的问题
本实用新型通过将护牙弯角被动轴POM杆由包胶塑胶改为包硅胶,不会因旋转摩擦牙齿产生粉尘污染,由于硅胶热成型正常温度不能低于120摄氏度,而常用POM热变形温度为90度左右,为实现POM包胶硅胶,通过采用耐高温改性处理的POM被动轴1,在150℃高温环境下5分钟时间内不会形变,从而解决了传统POM被动轴在模具中包硅胶时变形,影响后面护牙弯角组件组装的问题。
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Figure CN224659037U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dental care polishing technology, specifically a tooth-protecting curved passive shaft POM material modified high-temperature resistant silicone-coated structure. Background Technology
[0002] The curved brush head is an oral care tool designed to better clean hard-to-reach areas in the mouth, especially the gaps between teeth and gums. Its unique curved shape allows users to easily insert the brush head between teeth and gums for thorough cleaning of these hard-to-reach areas.
[0003] Orthodontic elbows are suitable for people of all ages, especially those wearing braces, bridges, or other orthodontic appliances. These individuals require more meticulous oral hygiene due to the greater number of hard-to-reach areas in their mouths. Current orthodontic elbows generally consist of a housing, a polishing cup, and a transmission mechanism. The elbow is used in conjunction with a dental handpiece. During use, the elbow is connected to the handpiece, and its transmission mechanism connects to the motor shaft within the handpiece to drive the polishing cup, which is used to add polishing paste. The polishing cup is typically made of plastic.
[0004] However, plastic polishing cups generate plastic powder and cause environmental pollution when rotating and rubbing teeth. Therefore, we proposed a tooth-protecting curved passive shaft POM material modified with high-temperature resistant silicone coating structure to solve the problems mentioned above. Utility Model Content
[0005] The purpose of this invention is to provide a tooth-protecting curved passive shaft POM material modified high-temperature resistant silicone-coated structure to solve the problem of environmental pollution caused by plastic powder generated when existing plastic polishing cups rotate and rub teeth, as mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a tooth-protecting curved passive shaft made of POM material with a high-temperature resistant silicone coating, comprising a POM passive shaft, one end of which is provided with a cup holder, and a silicone polishing cup is provided on the end face of the cup holder.
[0007] Preferably, the silicone polishing cup includes a rubber-coated section and a polishing section, with the polishing section located at the upper end of the rubber-coated section.
[0008] Preferably, a connecting shaft is provided on the end face of the cup holder, a first chuck is provided on the outer wall of the connecting shaft, a second chuck is provided at the end of the connecting shaft, and a rubber-coated section is provided inside the section with a rubber-coated groove corresponding to the connecting shaft, the first chuck, and the second chuck, and the rubber-coated section is rubber-coated and connected to the connecting shaft, the first chuck, and the second chuck through the rubber-coated groove.
[0009] Preferably, the POM passive shaft is modified for high temperature resistance, with a maximum temperature tolerance of 150°C.
[0010] Preferably, the polishing section has a hollow structure, and four first blades are provided on the inner wall of the hollow cavity.
[0011] Preferably, a second blade is provided between adjacent first blades, and the length of the second blade is less than that of the first blade.
[0012] Preferably, the other end of the POM passive shaft is provided with a connector.
[0013] Compared with the prior art, the beneficial effects of this utility model are: This invention replaces the plastic-coated POM rod of the toothbrush bend passive shaft with a silicone-coated one, eliminating dust pollution caused by rotational friction against the teeth. Since the normal thermoforming temperature of silicone cannot be lower than 120 degrees Celsius, while the heat deformation temperature of commonly used POM is around 90 degrees Celsius, a high-temperature modified POM passive shaft 1 is used to achieve silicone coating. This shaft will not deform within 5 minutes at a high temperature of 150 degrees Celsius, thus solving the problem of deformation of the traditional POM passive shaft during silicone coating in the mold, which affects the subsequent assembly of the toothbrush bend component. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the POM passive shaft and the silicone polishing cup in the separated state of this utility model; Figure 3 This is a cross-sectional structural diagram of the present invention; Figure 4 This is a top view of the structure of this utility model; In the diagram: 1. POM passive shaft; 2. Connector; 3. Cup holder; 301. Connecting shaft; 302. First chuck; 303. Second chuck; 4. Silicone polishing cup; 401. Coated section; 4011. Coated groove; 402. Polishing section; 403. First blade; 404. Second blade. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0016] Please see Figure 1-4This utility model provides an embodiment of a tooth-protecting curved passive shaft made of POM material with modified high-temperature resistant silicone coating. The structure includes a POM passive shaft 1, a cup holder 3 at one end of the POM passive shaft 1, and a silicone polishing cup 4 on the end face of the cup holder 3. The silicone polishing cup 4 includes a coated section 401 and a polishing section 402, with the polishing section 402 positioned above the coated section 401. A connecting shaft 301 is located on the end face of the cup holder 3, and a first chuck 3 is located on the outer wall of the connecting shaft 301. 02. A second chuck 303 is provided at the end of the connecting shaft 301. The inside of the rubber-coated section 401 is provided with a rubber-coated groove 4011 corresponding to the connecting shaft 301, the first chuck 302 and the second chuck 303. The rubber-coated section 401 is connected to the connecting shaft 301, the first chuck 302 and the second chuck 303 through the rubber-coated groove 4011. The POM passive shaft 1 is modified for high temperature resistance and has a maximum temperature resistance of 150℃. A connector 2 is provided at the other end of the POM passive shaft 1.
[0017] After the POM rod of the tooth-protecting bend passive shaft was changed from being coated with plastic to being coated with silicone, dust pollution caused by rotation and friction against teeth will not occur. Since the normal thermoforming temperature of silicone cannot be lower than 120 degrees Celsius, while the heat deformation temperature of commonly used POM is around 90 degrees Celsius, in order to achieve POM coated with silicone, a POM passive shaft 1 with high temperature resistant modification was adopted. It will not deform within 5 minutes in a high temperature environment of 150 degrees Celsius, thus solving the problem of deformation of traditional POM passive shafts when coated with silicone in the mold, which affects the subsequent assembly of tooth-protecting bend components.
[0018] Please see Figure 4 The polishing section 402 has a hollow structure, and four first blades 403 are provided on the inner wall of the hollow cavity. A second blade 404 is provided between adjacent first blades 403, and the length of the second blade 404 is shorter than that of the first blade 403. Through the cooperation of the first blades 403 and the second blades 404, the polishing paste can be retained in the cup during polishing and will not be easily released, thus prolonging the retention time of the polishing paste and ensuring the effectiveness of the polishing paste.
[0019] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A tooth-protecting curved passive shaft made of POM material with modified high-temperature resistant silicone coating, comprising a POM passive shaft (1), characterized in that: One end of the POM passive shaft (1) is provided with a cup holder (3), and a silicone polishing cup (4) is provided on the end face of the cup holder (3). The silicone polishing cup (4) includes a rubber-coated section (401) and a polishing section (402), and the polishing section (402) is disposed at the upper end of the rubber-coated section (401); A connecting shaft (301) is provided on the end face of the cup holder (3), a first chuck (302) is provided on the outer wall of the connecting shaft (301), a second chuck (303) is provided at the end of the connecting shaft (301), and a rubber-coated section (401) is provided inside the section corresponding to the connecting shaft (301), the first chuck (302) and the second chuck (303), and the rubber-coated section (401) is rubber-coated and connected to the connecting shaft (301), the first chuck (302) and the second chuck (303) through the rubber-coated groove (4011); The POM passive shaft (1) is modified to withstand high temperatures, with a maximum temperature tolerance of 150°C.
2. The tooth-protecting bend passive shaft POM material modified high-temperature resistant silicone-coated structure according to claim 1, characterized in that: The polishing section (402) has a hollow structure, and four first blades (403) are provided on the inner wall of the hollow cavity.
3. The tooth-protecting bend passive shaft POM material modified high-temperature resistant silicone-coated structure according to claim 2, characterized in that: A second blade (404) is provided between adjacent first blades (403), and the length of the second blade (404) is less than that of the first blade (403).
4. The tooth-protecting bend passive shaft POM material modified high-temperature resistant silicone-coated structure according to claim 1, characterized in that: The other end of the POM passive shaft (1) is provided with a connector (2).