Dental irrigation handle with adjustable angle tip and dental device

By incorporating an adjustable nozzle and transmission mechanism into the dental irrigation handle, the inconvenience caused by a fixed nozzle angle is resolved, enabling users to conveniently adjust the angle.

CN224461837UActive Publication Date: 2026-07-07深圳悦齿创新科技有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
深圳悦齿创新科技有限公司
Filing Date
2025-07-29
Publication Date
2026-07-07

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  • Figure CN224461837U_ABST
    Figure CN224461837U_ABST
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Abstract

The utility model relates to dental device technical field, concretely is a kind of dental flushing handle and dental device with adjustable angle nozzle, dental flushing handle includes handle shell, the nozzle of the front end of handle shell being arranged, the nozzle of the front end being arranged, handle shell is also equipped with angle adjustment key, handle shell inside is also equipped with transmission mechanism, the nozzle is hinged in handle shell, angle adjustment key is connected nozzle by transmission mechanism, angle adjustment key can move relative to handle shell, to can pass through transmission mechanism and drive nozzle swing relative to handle shell and adjust nozzle orientation angle. The application is by setting movable nozzle, transmission mechanism and angle adjustment key, so that user can flexibly adjust the angle of nozzle by angle adjustment key when using, without repeatedly switching the posture of hand-held flushing handle, convenient to use.
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Description

Technical Field

[0001] This utility model relates to the field of dental cleaning device technology, specifically a dental rinsing handle and dental cleaning device with an adjustable angle nozzle. Background Technology

[0002] Dental air polishing is an air polishing technology that uses compressed gas (usually air) to lift abrasive powder, which is then sprayed onto the tooth surface through a nozzle on a handle. The powder mixes with a liquid medium (usually water) sprayed along with the abrasive powder, effectively cleaning the tooth surface. Specifically, it can remove plaque, soft deposits, tobacco stains, and tea stains, effectively preventing periodontal disease and maintaining dental health. In existing home-use small air polishing devices, the nozzles on the rinsing handles are all fixed-angle nozzles. In a home environment, users cannot experience the professional-level operation techniques of a dentist. Using traditional rinsing handles requires repeatedly switching positions to adjust the nozzle angle, which is very inconvenient. Utility Model Content

[0003] In order to overcome the defects in the existing technology, the purpose of this utility model is to provide a dental rinsing handle and teeth cleaning device with an adjustable angle nozzle.

[0004] One of the objectives of this utility model is achieved through the following technical solution:

[0005] A dental irrigation handle with an adjustable-angle nozzle includes a handle housing, a nozzle disposed at the front end of the handle housing, and a nozzle disposed at the front end of the nozzle. The handle housing also has an angle adjustment key, and a transmission mechanism is disposed inside the handle housing. The nozzle is hinged to the handle housing, and the angle adjustment key is connected to the nozzle through the transmission mechanism. The angle adjustment key can move relative to the handle housing, thereby driving the nozzle to swing relative to the handle housing through the transmission mechanism to adjust the nozzle's orientation angle.

[0006] As a preferred technical solution, the angle adjustment key is slidably connected to the surface of the handle housing, and the transmission mechanism includes a connecting rod, one end of which is hinged to the angle adjustment key and the other end of which is hinged to the nozzle. By sliding the angle adjustment key back and forth, the nozzle can be driven to swing up and down relative to the handle frame through the connecting rod.

[0007] As a preferred technical solution, the back of the angle adjustment key is provided with a lever or protrusion, and one end of the connecting rod is hinged to the lever or protrusion on the back of the angle adjustment key.

[0008] As a preferred technical solution, the angle adjustment key and the handle housing have frictional damping and can be naturally positioned under the action of frictional damping; or, a locking mechanism for locking or unlocking the position of the angle adjustment key is also provided between the angle adjustment key and the handle housing.

[0009] As a preferred technical solution, the nozzle includes a first nozzle for spraying liquid and a second nozzle for sandblasting or air blasting. The handle housing is also provided with a water pipe and an air pipe. One end of the water pipe is connected to the first nozzle, and the other end is used to connect to a built-in or external liquid circuit system. One end of the air pipe is connected to the second nozzle, and the other end is used to connect to a built-in or external sandblasting system and air circuit system through a three-way valve.

[0010] As a preferred technical solution, the surface of the handle housing is also provided with control buttons for controlling the working status of the first nozzle and the second nozzle.

[0011] The second objective of this utility model is achieved through the following technical solution:

[0012] A dental cleaning device includes a main unit and the aforementioned dental rinsing handle with an adjustable-angle nozzle.

[0013] As a preferred technical solution, the host is equipped with a liquid circuit system, a sandblasting system, and an air circuit system for connecting the nozzle to realize liquid spraying, sandblasting, and air spraying.

[0014] Compared with the prior art, the dental rinsing handle and teeth cleaning device with an adjustable angle nozzle provided in this application have the following innovations and technical effects: by setting the nozzle, transmission mechanism and angle adjustment key, the user can flexibly adjust the angle of the nozzle by adjusting the angle adjustment key when using it, without having to repeatedly switch the posture of holding the rinsing handle, which is convenient to use, has a simple structure and stable operation.

[0015] The following will further explain the concept, specific structure and effects of this utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of this utility model. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the dental irrigation handle with an adjustable angle nozzle in Example 1;

[0017] Figure 2 This is a schematic diagram of the working structure of the nozzle, angle adjustment key, and transmission mechanism.

[0018] The components include: handle housing 1, nozzle 2, angle adjustment button 3, lever 31, water pipe 4, air pipe 5, control button 6, and connecting rod 7. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.

[0020] It should be noted that in this application, the terms "upper," "lower," "left," "right," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are primarily used to better describe this application and its embodiments, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, the terms "installed," "set," "equipped with," "connected," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, elements, or components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0021] Example 1:

[0022] like Figure 1-2 As shown, this embodiment provides a dental irrigation handle with an adjustable-angle nozzle, including a handle housing 1, a nozzle 2 disposed at the front end of the handle housing 1, and a nozzle disposed at the front end of the nozzle 2. The surface of the handle housing 1 is also provided with an angle adjustment key 3, and the inside of the handle housing 1 is also provided with a transmission mechanism. The nozzle 2 is hinged to the handle housing 1, and the angle adjustment key 3 is connected to the nozzle 2 through the transmission mechanism. The angle adjustment key 3 can move relative to the handle housing 1, thereby driving the nozzle 2 to swing relative to the handle housing 1 through the transmission mechanism to adjust the angle. Preferably, the nozzle includes a first nozzle for spraying liquid and a second nozzle for sandblasting or air blasting. The handle housing 1 is also provided with a water pipe 4 and an air pipe 5. The surface of the handle housing 1 is also provided with a control button 6 for controlling the working status of the first nozzle and the second nozzle.

[0023] The dental rinsing handle with an adjustable-angle nozzle provided in this embodiment is used in conjunction with the main unit of the dental cleaning device, as in Embodiment 2. The main unit is equipped with a liquid system, an abrasive system, and an air system. One end of the water pipe 4 is connected to the first nozzle, and the other end is connected to the liquid system. One end of the air pipe 5 is connected to the second nozzle, and the other end is connected to the abrasive system and the air system via a three-way valve. The surface of the handle housing 1 is also provided with control buttons 6 for operating the working status of the liquid system, abrasive system, and air system. In use, the user holds the dental rinsing handle and inserts it into the oral cavity to spray... The nozzle 2 is positioned so that the front end can be aligned with the teeth that need cleaning. Then, the user can operate the control button 6 to control the liquid system and the sandblasting system, which will cause the nozzle 2 to spray high-speed water and sand powder to clean the tooth surface. At the same time, the user can also operate the angle adjustment button 3 to drive the nozzle 2 to swing up and down, adjusting the direction of the nozzle 2 to increase the cleaning range and cleaning effect, without the need for the user to repeatedly switch hand positions, making it convenient to use. After the teeth are cleaned, the user can also operate the control button 6 to control the air system, which will use the compressed air sprayed by the air system to self-clean the air pipe and nozzle.

[0024] In a preferred embodiment, the angle adjustment key 3 is slidably connected to the surface of the handle housing 1. A lever 31 is provided on the back of the angle adjustment key 3. The transmission mechanism includes a connecting rod 7, one end of which is hinged to the lever 31, and the other end is hinged to the nozzle 2. By sliding the angle adjustment key 3 back and forth, the nozzle 2 can be driven to swing up and down relative to the handle frame through the connecting rod 7. Preferably, the rotation axes of the hinge points at both ends of the connecting rod 7 and the hinge points between the nozzle 2 and the handle housing 1 are parallel to each other. The hinge point between the nozzle 2 and the connecting rod 7 is located at the rear end of the nozzle 2, the nozzle is located at the front end of the nozzle 2, and the hinge point between the nozzle 2 and the handle housing 1 is located between the front and rear ends of the nozzle 2. This transmission mechanism has a simple structure and stable operation.

[0025] As a preferred embodiment, the angle adjustment key 3 and the handle housing 1 have frictional damping and can be naturally positioned under the action of frictional damping. In other embodiments, a locking mechanism for locking or unlocking the position of the angle adjustment key 3 can also be provided between the angle adjustment key 3 and the handle housing 1. The locking mechanism can adopt relevant mechanisms in the prior art that can realize locking and unlocking functions. This application does not limit or describe its specific structure in detail, and it is omitted in the drawings.

[0026] Example 2:

[0027] This embodiment provides a dental cleaning device, including a main unit and a dental rinsing handle with an adjustable-angle nozzle as in Embodiment 1. The main unit is equipped with a liquid system, a sandblasting system, and an air system.

[0028] The teeth cleaning device provided in this embodiment has the same working principle and beneficial effects as described in Embodiment 1, and will not be repeated here.

[0029] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A dental irrigation handle with an adjustable-angle nozzle, comprising a handle housing, a nozzle disposed at the front end of the handle housing, and a nozzle disposed at the front end of the nozzle, characterized in that, The handle housing is also equipped with an angle adjustment key, and the handle housing is also equipped with a transmission mechanism. The nozzle is hinged to the handle housing, and the angle adjustment key is connected to the nozzle through the transmission mechanism. The angle adjustment key can move relative to the handle housing, thereby driving the nozzle to swing relative to the handle housing through the transmission mechanism to adjust the nozzle's orientation angle.

2. The dental irrigation handle with an adjustable angle nozzle according to claim 1, characterized in that, The angle adjustment key is slidably connected to the surface of the handle housing. The transmission mechanism includes a connecting rod, one end of which is hinged to the angle adjustment key and the other end of which is hinged to the nozzle. By sliding the angle adjustment key back and forth, the nozzle can be driven to swing up and down relative to the handle frame via the connecting rod.

3. The dental irrigation handle with an adjustable angle nozzle according to claim 2, characterized in that, The back of the angle adjustment key is provided with a lever or protrusion, and one end of the connecting rod is hinged to the lever or protrusion on the back of the angle adjustment key.

4. The dental irrigation handle with an adjustable angle nozzle according to claim 1, characterized in that, The angle adjustment key and the handle housing have frictional damping and can be naturally positioned under the action of frictional damping. Alternatively, a locking mechanism for locking or unlocking the position of the angle adjustment key is provided between the angle adjustment key and the handle housing.

5. The dental irrigation handle with an adjustable angle nozzle according to claim 1, characterized in that, The nozzle includes a first nozzle for spraying liquid and a second nozzle for sandblasting or air blasting. The handle housing is also provided with a water pipe and an air pipe. One end of the water pipe is connected to the first nozzle, and the other end is used to connect to a built-in or external liquid circuit system. One end of the air pipe is connected to the second nozzle, and the other end is used to connect to a built-in or external sandblasting system and air circuit system through a three-way valve.

6. The dental irrigation handle with an adjustable angle nozzle according to claim 5, characterized in that, The surface of the handle housing is also provided with control buttons for controlling the working status of the first nozzle and the second nozzle.

7. A teeth cleaning device, characterized in that, Includes a main unit and a dental rinsing handle with an adjustable-angle nozzle as described in any one of claims 1-6.

8. The dental cleaning device according to claim 7, characterized in that, The main unit is equipped with a liquid system, a sandblasting system, and an air system for connecting the nozzles to achieve liquid spraying, sandblasting, and air spraying.