Handheld tooth cleaning device

Abstract

The invention discloses a handheld tooth cleaning device and tooth cleaning equipment, the handheld tooth cleaning device comprises a machine body and a powder storage box detachably connected with the machine body, a nozzle is arranged above the machine body, the nozzle is connected with the powder storage box, and the nozzle is used for conveying sand powder in the powder storage box. According to the handheld tooth cleaning device, the powder storage box used for containing sand powder is installed on the handheld tooth cleaning device, the occupied area is reduced, the handheld tooth cleaning device is small and exquisite in structure, the powder storage box is convenient to disassemble and assemble for real-time replacement, and complex steps or tools are not needed.

Description

Technical Field

[0001] The invention belongs to the technical field of oral hygiene, and in particular relates to a handheld teeth cleaning device. Background Art

[0002] Oral hygiene is vital to human health. Sandblasting is a common tooth cleaning technique that uses high-pressure airflow to spray sand powder onto the surface of teeth. It can not only effectively clean teeth, but also polish the tooth surface and improve the beauty of teeth.

[0003] This technology has been widely used in dental clinics, but because the equipment is usually large and requires professional operation, there is currently no home sandblasting tooth cleaning device on the market that is suitable for home use. Summary of the invention

[0004] In view of the above problems, an object of the present invention is to provide a handheld tooth cleaning device to solve the problem that the existing handheld tooth cleaning device cannot be miniaturized and carried easily.

[0005] According to one aspect of an embodiment of the present application, a handheld tooth cleaning device is provided, comprising a body and a powder storage box detachably connected to the body, a nozzle is provided above the body, the nozzle is connected to the powder storage box, and the nozzle is used to transport sand powder in the powder storage box.

[0006] Optionally, a first opening is provided on the powder storage box, and the first opening is connected to the nozzle; the sand powder in the powder storage box is transported to the nozzle through the first opening.

[0007] Optionally, the handheld tooth cleaning device further comprises a connecting piece, and the powder storage box is detachably connected to the body via the connecting piece.

[0008] Optionally, the powder storage box is detachably arranged on the connecting piece.

[0009] Optionally, a side of the connecting member facing away from the body is provided with a receiving groove for receiving the powder storage box.

[0010] Optionally, the containing tank includes a nozzle, which is connected to an air pump on the main unit; the powder storage box includes a second opening, which is connected to the nozzle.

[0011] Optionally, an inner slide groove is provided on the outside of the powder storage box, the inner slide groove is connected to the side of the accommodating groove, and the bottom of the powder storage box is in contact with the upper end surface of the accommodating groove.

[0012] Optionally, a guide rail is provided on the fuselage, and an outer slide groove matching the guide rail is provided on a side of the connector facing the fuselage, and the connector slides on the fuselage along the guide rail; the length of the outer slide groove is less than the length of two side edges of the accommodating groove.

[0013] Optionally, the length of the outer slide groove is smaller than the length of two side edges of the accommodating groove.

[0014] Optionally, a buckle is further provided on the fuselage, and the connecting piece is provided with a slot corresponding to the buckle; when the connecting piece slides on the fuselage to the maximum movable position, the buckle is connected to the slot, and the connecting piece is fixedly connected to the fuselage.

[0015] Optionally, a button switch for pushing the buckle is further provided on the side of the body away from the connecting piece, and the button switch is connected to the buckle to make the buckle disengage from the slot, thereby releasing the connection between the connecting piece and the body.

[0016] Optionally, one side of the powder storage box away from the connecting piece is arc-shaped, and the other side is flat.

[0017] Optionally, the handheld teeth cleaning device further comprises an extension tube, which is respectively connected to the nozzle and the second opening.

[0018] Optionally, a sealing ring is provided between the extension tube and the nozzle, and between the extension tube and the second opening, respectively.

[0019] On the other hand, the present application provides a tooth cleaning device, including a main unit and any of the above-mentioned handheld tooth cleaning devices, the main unit including an air pump, a liquid pump and a water tank, the air pump is connected to the handheld tooth cleaning device through a first pipeline, and the liquid pump is connected to the handheld tooth cleaning device through a second pipeline through the water tank.

[0020] The beneficial effects of the present application are as follows: the powder storage box for storing sand powder is installed on the handheld tooth cleaning device, which reduces the floor space and makes the handheld tooth cleaning device compact and small, and the powder storage box is easy to install and disassemble, and the user can easily install the powder storage box on the device, or quickly remove it when needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in 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, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 A schematic diagram of the structure of a handheld teeth cleaning device provided in an embodiment of the present invention;

[0023] Figure 2 A schematic diagram of an exploded structure of a handheld tooth cleaning device provided in an embodiment of the present invention;

[0024] Figure 3 Another schematic diagram of the exploded structure of the handheld teeth cleaning device provided by an embodiment of the present invention;

[0025] Figure 4 A schematic diagram of another exploded structure of the handheld teeth cleaning device provided by an embodiment of the present invention;

[0026] Figure 5 A schematic diagram of the structure of a nozzle provided in an embodiment of the present invention;

[0027] Figure 6 A schematic diagram of the internal structure of a handheld tooth cleaning device provided in an embodiment of the present invention;

[0028] Figure 7 A schematic diagram of the structure of a tooth cleaning device provided by an embodiment of the present invention;

[0029] Figure 8 A bottom view of a tooth cleaning device provided in an embodiment of the present invention.

[0030] It should be noted that the drawings are not necessarily drawn to scale, but are merely shown in a schematic manner that does not affect the reader's understanding.

[0031] The reference numerals in the specific implementation manner are as follows:

[0032] 100, handheld tooth cleaning device; 110, body; 111, nozzle; 112, guide rail; 113, buckle; 114, key switch; 115, water spray pipe; 120, powder storage box; 121, first opening; 122, second opening; 123, inner slide groove; 130, connecting piece; 131, receiving groove; 132, spray pipe; 133, side; 134, outer slide groove; 135, slot; 140, extension tube; 141, sealing ring;

[0033] 200, tooth cleaning device; 210, host; 211, water tank; 212, first pipeline; 213, second pipeline. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0035] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0036] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0037] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.

[0039] It should also be understood that the terms used in this application specification are only for the purpose of describing specific embodiments and are not intended to limit the application. As used in this application specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise.

[0040] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0041] The sandblasting dental cleaning devices currently on the market, such as sandblasting dental scalers, are usually tabletop devices designed for use in dental clinics or professional dental cleaning services. These devices can provide efficient dental cleaning results, but they are large in size and not suitable for home use.

[0042] Existing tooth cleaning devices suitable for home use, such as handheld water flossers and electric toothbrushes, mainly use high-pressure water spray to clean food residues on the surface of teeth and in between teeth. However, these devices usually do not have the function of storing and using sand powder, which is a key component of sandblasting tooth cleaning technology. But integrating the powder storage box for storing sand powder into these portable devices requires a certain amount of space for the storage and delivery system of the sand powder, which may lead to a complex device structure, increase the size and weight of the device, make it difficult to achieve miniaturization, and affect its portability. Therefore, it is necessary to research and develop a household sandblasting tooth cleaning device with a simple structure and easy operation to meet the needs of home users for oral cleaning and care at home.

[0043] For the above questions, please refer to Figure 1 to Figure 2 The present application provides a handheld tooth cleaning device 100, including a body 110 and a powder storage box 120 detachably connected to the body 110, a nozzle 111 is provided above the body 110, and the powder storage box 120 includes a first opening 121, which is connected to the nozzle 111; the first opening 121 is used to transport the sand powder in the powder storage box 120 to the nozzle 111.

[0044] The powder storage box 120 is arranged on the handheld tooth cleaning device 100, which saves space and improves portability. The powder storage box 120 is detachably connected to the body 110. When the sand powder is used up or needs to be replaced with a different type of sand powder, the user can remove the empty powder storage box 120 from the body 110 and install a new powder storage box 120 on the body 110, or refill the removed empty powder storage box 120 with sand powder to replenish the handheld tooth cleaning device 100. This design of a detachable powder storage bin allows the user to easily disassemble and replace the powder storage box 120 according to their own needs, thereby improving the flexibility of the handheld tooth cleaning device 100.

[0045] like Figures 1 to 4 As shown, the handheld tooth cleaning device 100 also includes a connecting member 130, which is detachably connected to the body 110; a receiving groove 131 is provided on a side of the connecting member 130 facing away from the body 110, and the receiving groove 131 is used to receive the powder storage box 120; the connecting member 130 includes a nozzle 132 away from the receiving groove 131, and the nozzle 132 is connected to the air pump on the main unit 210; the powder storage box 120 includes a second opening 122, and the second opening 122 is connected to the nozzle 132.

[0046] Since the sandblasting tooth cleaning technology uses high-pressure airflow to spray sand powder onto the tooth surface to remove stains such as dental plaque, smoke stains and tartar, and smooth the tooth surface to reduce the possibility of pigmentation. Therefore, a nozzle 111 is provided on the body 110, and the nozzle 111 acts on the human oral cavity. A first opening 121 is provided on one side of the powder storage box 120 to connect with the nozzle 111 to ensure that the sand powder can be smoothly transported to the nozzle 111; a second opening 122 for receiving high-pressure airflow is provided on the other side of the powder storage box 120. The high-pressure airflow enters the powder storage box 120 through the second opening 122, takes out the sand powder and sprays it onto the tooth surface.

[0047] The body 110 and the powder storage box 120 are detachably connected via a connector 130 . The connector 130 is provided with a receiving slot 131 for carrying the powder storage box 120 . The receiving slot 131 can ensure that the powder storage box 120 is installed in the correct position to ensure the normal use of the handheld tooth cleaning device 100 .

[0048] Furthermore, in order for the high-pressure airflow to smoothly enter the powder storage box 120, the accommodating groove 131 is provided with a nozzle 132, one end of the nozzle 132 is connected to the second opening 122; the other end of the nozzle 132 is connected to the air pump on the main unit 210, the air pump generates air pressure by compressing air and forms a high-pressure airflow in the chassis, and delivers the high-pressure airflow to the nozzle 132; the high-pressure airflow enters the second opening 122 connected to the nozzle 132 through the nozzle 132, thereby driving the sand powder in the powder storage box 120 to reach the nozzle 111 through the first opening 121, and is sprayed from the nozzle 111 onto the user's teeth.

[0049] In the embodiment of the present application, the powder storage box 120, the connecting piece 130 and the body 110 are detachably connected in a pull-out sliding manner, which is more convenient for users to disassemble and install compared to traditional clamping, screw tightening or other complex assembly methods. Users can easily install or replace the powder storage box 120 without using any tools, and quickly complete the installation and removal process of the powder storage box 120. In addition, this pull-out connection also reduces the risk of wear and damage between the powder storage box 120, the connecting piece 130 and the body 110, and improves the durability and reliability of the handheld tooth cleaning device 100.

[0050] like Figures 2 to 4 As shown, the powder storage box 120 also includes an inner slide groove 123, which is located on both sides adjacent to the first opening 121; the inner slide groove 123 cooperates with the two side edges 133 of the accommodating groove 131; the powder storage box 120 slides on the connecting member 130 along the two side edges 133 of the accommodating groove 131.

[0051] Furthermore, a guide rail 112 is provided on the fuselage 110, and an outer slide groove 134 is provided on a side of the connecting member 130 facing the fuselage 110, and the guide rail 112 matches the outer slide groove 134; the connecting member 130 slides on the fuselage 110 along the guide rail 112; the length of the outer slide groove 134 is less than the length of the two side edges 133 of the accommodating groove 131.

[0052] The two side edges 133 of the powder storage box 120 are provided with inner slide grooves 123, which cooperate with the two side edges 133 on the connecting piece 130. Since the powder storage box 120 needs to carry a certain weight of sand powder, the inner slide grooves 123 can provide a larger connection area, enhance the torsion resistance and bending resistance of the structure, and are not easy to loosen or damage even under pressure and twisting force. It not only ensures the firm connection between the powder storage box 120 and the connecting piece 130, but also enables the powder storage box 120 to slide smoothly on the connecting piece 130 along the two side edges 133.

[0053] An outer slide groove 134 is provided on a side of the connecting member 130 facing away from the powder storage box 120 . The outer slide groove 134 cooperates with the guide rail 112 on the body 110 , so that the connecting member 130 can slide on the body 110 along the guide rail 112 .

[0054] Considering that when the handheld tooth cleaning device 100 is working, the high-pressure airflow not only needs to be smoothly input into the powder storage box 120, but also needs to ensure the sealing during the transportation process. If the powder storage box 120 is designed to be detachable and replaceable, it will inevitably face the problem of insufficient sealing, and the high-pressure airflow is easy to leak, resulting in a sand powder spraying effect. In the embodiment of the present application, the powder storage box 120 and the connecting member 130 and the body 110 can slide relative to each other and be detachably connected to ensure the compactness and sealing of the handheld tooth cleaning device 100.

[0055] Furthermore, one side of the powder storage box 120 having a second opening 122 abuts against the slot of the accommodating slot 131, specifically, the nozzle 132 is aligned with the second opening 122; one side of the powder storage box 120 having a second opening 122 is connected to the nozzle 111 on the fuselage 110 to achieve sealing, ensuring that the high-pressure airflow conveying process will not leak, thereby ensuring the effect of sand powder spraying.

[0056] When the powder storage box 120 needs to be disassembled, the operation process is also simple and convenient because the fuselage 110, the connecting member 130 and the powder storage box 120 are detachably connected and slidably connected. The user first needs to push the connecting member 130 downward to separate it from the fuselage 110, so as to drive the side of the powder storage box 120 with the first opening 121 to separate from the fuselage 110. Then, when the connecting member 130 slides to a certain position, the user can slide the powder storage box 120 from the connecting member 130 to move the side of the powder storage box 120 with the second opening 122 away from the receiving groove 131, and continue to push the powder storage box 120 to complete the disassembly process.

[0057] The handheld tooth cleaning device 100 of the embodiment of the present application sets the body 110, the connecting member 130 and the powder storage box 120 as a slidably connected and detachable structure, so that the powder storage box 120 can be replaced easily and quickly. In addition, the user can easily maintain and clean the handheld tooth cleaning device 100.

[0058] The length of the two side edges 133 connecting the connecting member 130 and the powder storage box 120 is greater than the length of the outer slide groove 134 connecting the connecting member 130 and the body 110. Figure 1 , Figure 3 and Figure 4 As shown, the two side edges 133 of the connecting member 130 facing the body 110 and the outer slide groove 134 are in a vertical "Z" shape, and correspondingly, the guide rail 112 on the body 110 and the two side edges 133 of the body 110 are in a "Z" shape that matches therewith. The length of the guide rail 112 is adapted to the outer slide groove 134, which limits the movement range of the connecting member 130 on the body 110 and ensures the stability and safety of the connecting member 130 during the sliding process. The "Z"-shaped design optimizes the space of the handheld tooth cleaning device 100, so that the connecting member 130 and the body 110 are slidably connected while maintaining the compactness of the structure of the handheld tooth cleaning device 100, thereby miniaturizing the handheld tooth cleaning device 100.

[0059] Further, continue to refer to Figure 1 , Figure 3 and Figure 4 The body 110 is also provided with a buckle 113, and the connecting member 130 is provided with a slot 135 corresponding to the buckle 113; when the connecting member 130 slides on the body 110 to the maximum movable position, the buckle 113 is connected to the slot 135, and the connecting member 130 is fixedly connected to the body 110.

[0060] By providing the buckle 113 on the body 110 and the corresponding slot 135 on the connecting member 130, the connecting member 130 can be firmly fixed to the body 110. When the connecting member 130 slides along the guide rail 112 on the body 110 to the maximum movable position, the buckle 113 and the slot 135 engage with each other to form a tight connection. When the connecting member 130 does not need to be adjusted, it can be stably fixed on the body 110 to prevent accidental sliding or displacement during use, thereby ensuring the stability and safety of the tooth cleaning device.

[0061] More specifically, a button switch 114 is provided on one side of the body 110 away from the connector 130 . The button switch 114 is connected to the buckle 113 . The button switch 114 is used to push the buckle 113 to disengage the buckle 113 from the slot 135 , thereby releasing the connector 130 from the body 110 .

[0062] The setting of the key switch 114 simplifies the disassembly and installation process of the connecting member 130 and the powder storage box 120. The key switch 114 includes a key and an elastic member, wherein the key is connected to the buckle 113 by the force of the elastic member. When the user needs to unlock the connecting member 130 from the body 110 and slide it along the guide rail 112 to replace the powder storage box 120, it only needs to press the key switch 114 to push the buckle 113 out of the slot 135, so that the connecting member 130 and the body 110 are quickly released, so that the user can more easily disassemble and reinstall the powder storage box 120.

[0063] like Figures 1 to 4 As shown, the handheld tooth cleaning device 100 of the embodiment of the present application, when assembled, the side of the body 110 provided with the button switch 114 and the side of the powder box 120 away from the connecting piece 130 together constitute the part held by the user. The side of the powder box 120 for the user to hold is arc-shaped to fit the curve of the user's palm to ensure a firm grip during use; the other side is a plane to allow the powder box 120 to move smoothly on the connecting piece 130.

[0064] In addition, one side of the powder storage box 120 is configured to be arc-shaped, which increases the internal capacity of the powder storage box 120 relative to a flat surface and can store more sand powder. In addition, the arc-shaped design makes the handheld tooth cleaning device 100 less likely to accumulate dust and easier to clean.

[0065] To further ensure the sealing of the handheld tooth cleaning device 100, especially the sealing of the high pressure airflow to the powder storage box 120 and the nozzle 111, as shown in FIG. Figure 4 and Figure 5 As shown, the handheld tooth cleaning device 100 further includes an extension tube 140 connected to the nozzle 132 and the second opening 122 respectively.

[0066] The risk of leakage of high-pressure airflow can be reduced by connecting the extension tube 140 to the nozzle 132 and the second opening 122 of the powder storage box 120. One end of the extension tube 140 extends into the nozzle 132, and the other end extends into the second opening 122, forming a sealed airflow channel, and the high-pressure airflow is introduced into the powder storage box 120 through the nozzle 132, the extension tube 140 and the second opening 122.

[0067] Specifically, please refer to Figure 5 and Figure 6 , Figure 6 The internal structure of the handheld dental cleaning device after the nozzle is hidden, such as Figure 5 and Figure 6 As shown, a sealing ring 141 is provided at the connection between the extension tube 140 and the nozzle 132, and a sealing ring 141 is also provided at the connection between the extension tube 140 and the second opening 122 of the powder storage box 120, which prevents leakage of high-pressure airflow at the connection and ensures the cleaning efficiency and safety of the tooth cleaning device.

[0068] The present application also provides a tooth cleaning device 200, such as Figure 7 and Figure 8 As shown, the tooth cleaning device 200 includes a main unit 210 and any of the above-mentioned handheld tooth cleaning devices 100. The main unit 210 includes an air pump, a liquid pump and a water tank 211. The air pump is connected to the handheld tooth cleaning device 100 through a first pipeline 212, and the liquid pump is connected to the handheld tooth cleaning device 100 through a second pipeline 213 through the water tank 211.

[0069] The host 210 is used to provide the handheld tooth cleaning device 100 with the required high-pressure airflow and liquid. The air pump is responsible for compressing the air and delivering the high-pressure airflow to the handheld tooth cleaning device 100 through the first pipeline 212 .

[0070] The host 210 is used to provide the handheld tooth cleaning device 100 with the required high-pressure airflow and liquid. The air pump is responsible for compressing the air and delivering the high-pressure airflow to the handheld tooth cleaning device 100 through the first pipeline 212 .

[0071] Continue to refer Figure 7 and Figure 8 , and combined with Figure 3 and Figure 6 The body 110 is also provided with a water spray pipe 115, and the liquid pump is responsible for pumping liquid from the water tank 211 and delivering the liquid to the water spray pipe 115 through the second pipeline 213. The water tank 211 stores liquid for cleaning teeth, such as clean water or special tooth cleaning solution.

[0072] The tooth cleaning device 200 of the embodiment of the present application, in the handheld tooth cleaning device 100, independently delivers high-pressure gas through the first pipeline 212, and independently delivers liquid through the second pipeline 213, and both directly reach the nozzle 111 through the water spray pipe 115 and the powder storage box 120, respectively, ensuring that the paths of gas and liquid before reaching the nozzle 111 are completely separated, reducing the blockage problem caused by the early mixing of water and sand powder. In addition, the independent pipeline design makes maintenance and cleaning work simpler, and users can easily disassemble and clean each part to prevent blockage.

[0073] In the embodiment of the present application, the design of the nozzle 111 can also be divided into a liquid spray port specially connected to the water spray pipe 115 to spray water to the outside (human mouth), and a sand blasting port specially connected to the powder storage box 120 to blast sand powder outward, so that water and sand powder are sprayed out from the nozzle 111 and mixed only when they reach the tooth surface, thereby avoiding clogging of the nozzle 111 due to the water solubility of the sand powder.

[0074] The sand powder in the powder storage box 120 in the embodiment of the present application is solid particles, and its ingredients are usually sodium bicarbonate, glycine, erythritol, etc. (the main ingredients of the sand powder are sodium bicarbonate, glycine, erythritol, etc., which are safe and harmless and are edible grade. At the same time, its hardness is much smaller than the hardness of tooth enamel and does not damage the teeth). Its particle size is usually 14μm (micrometre) to 90μm, and its hardness is usually Mohs hardness 2-2.5. Therefore, when the sand powder is accelerated to a high-speed state and mechanically rubs against the teeth, it can achieve complete removal of residues, dental plaque, and pigments, thereby achieving thorough oral cleaning.

[0075] It should be noted that the specific structure of the handheld tooth cleaning device of the present application can also be applied to any equipment that needs to spray water / cleaning liquid and cleaning powder, such as sweepers, floor scrubbers, shoe washing equipment, etc.

[0076] The above is only a preferred embodiment of the present application, and does not constitute any formal limitation on the present application. The protection scope of the present application shall be subject to the protection scope of the claims. Although the present application has been disclosed as a preferred embodiment, it is not intended to limit the present application. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes using the technical content disclosed above without departing from the scope of the technical solution of the present application. However, any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application are within the scope of the technical solution of the present application.

Claims

1. A handheld tooth cleaning device, characterized in that: The utility model comprises a machine body and a powder storage box detachably connected to the machine body, a nozzle is arranged above the machine body, the nozzle is connected to the powder storage box, and the nozzle is used for conveying the sand powder in the powder storage box.

2. The handheld tooth cleaning device according to claim 1, characterized in that: The powder storage box is provided with a first opening, and the first opening is communicated with the nozzle; the sand powder in the powder storage box is transported to the nozzle through the first opening.

3. The handheld tooth cleaning device according to claim 2, characterized in that: The handheld tooth cleaning device also includes a connecting piece, and the powder storage box is detachably connected to the body via the connecting piece.

4. The handheld tooth cleaning device according to claim 3, characterized in that: The powder storage box is detachably arranged on the connecting piece.

5. The handheld tooth cleaning device according to claim 4, characterized in that: A receiving groove for receiving the powder storage box is provided on a side of the connecting member facing away from the body.

6. The handheld tooth cleaning device according to claim 5, characterized in that: The containing tank is provided with a nozzle, and the nozzle is connected to the air pump on the main machine; the powder storage box is provided with a second opening, and the second opening is communicated with the nozzle.

7. The handheld tooth cleaning device according to claim 6, characterized in that: An inner slide groove is provided on the outside of the powder storage box, and the inner slide groove is connected to the side of the accommodating groove. The bottom of the powder storage box is in contact with the upper end surface of the accommodating groove.

8. The handheld tooth cleaning device according to any one of claims 5 to 7, characterized in that: The fuselage is provided with a guide rail, and a side of the connecting piece facing the fuselage is provided with an outer slide groove matching the guide rail; the connecting piece slides on the fuselage along the guide rail.

9. The handheld tooth cleaning device according to claim 8, characterized in that: The length of the outer sliding groove is smaller than the length of two side edges of the accommodating groove.

10. The handheld tooth cleaning device according to any one of claims 5 to 7, characterized in that: The body is also provided with a buckle, and the connecting piece is provided with a slot matching with the buckle; When the connecting member slides on the body to a maximum movable position, the buckle is connected to the slot, and the connecting member is fixedly connected to the body.

11. The handheld tooth cleaning device according to claim 10, characterized in that: A button switch for pushing the buckle is also provided on one side of the body away from the connecting member, and the button switch is connected to the buckle to make the buckle disengage from the slot, thereby releasing the connection between the connecting member and the body.

12. The handheld tooth cleaning device according to any one of claims 1 to 7, characterized in that: The powder storage box has a curved surface away from the connecting piece, and the other surface is a plane.

13. The handheld tooth cleaning device according to any one of claims 6, characterized in that: The handheld teeth cleaning device further comprises an extension tube, and the extension tube is respectively connected to the nozzle and the second opening.

14. The handheld tooth cleaning device according to claim 13, characterized in that: A sealing ring is provided between the extension tube and the nozzle, and between the extension tube and the second opening.

15. A tooth cleaning device, characterized in that: It comprises a main unit and the handheld tooth cleaning device according to any one of claims 1 to 9, wherein the main unit comprises an air pump, a liquid pump and a water tank, the air pump is connected to the handheld tooth cleaning device through a first pipeline, and the liquid pump is connected to the handheld tooth cleaning device through a second pipeline via the water tank.

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