A collapsible portable tooth washer

CN224864616UActive Publication Date: 2026-10-20HUIZHOU WANFULIN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202522484674.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-24
Publication Date
2026-10-20
Estimated Expiration
2035-11-24

AI Technical Summary

Technical Problem

[0004]为了弥补以上不足,本实用新型提供了一种可伸缩便携式洗牙器,旨在改善现有技术中虽然添加了伸缩结构调节喷头的延伸长度,但由于握持时机身过短会导致手部遮挡视线,不方便观察牙齿的清洁程度,而机身过长导致发力不稳,使喷头与牙齿接触不够紧密,无法达到理想的清洁效果的问题

Benefits of technology

[0021]1、本实用新型中,启动电动推杆,推杆伸缩带动喷头同步移动,再启动电机使第一齿轮转动,第二齿轮随其同步转动,带动第一套管围绕第一转轴转动,第一套管带动转动板同步转动,从而调节喷头的角度,避免握持时机身过短导致手部遮挡视线,机身过长导致发力不稳,从而便于观察牙齿的清洁程度,达到理想的清洁效果。

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Abstract

The utility model relates to oral cavity cleaning technical field discloses a telescopic portable tooth washer, including the shell, the top of shell is provided with the brush head adjusting mechanism, the brush head adjusting mechanism is used for adjusting the length and the inclination angle of brush head, the middle part of shell is installed with the water storage hold, the middle part of water storage hold is provided with the flow regulating mechanism, the flow regulating mechanism is used for adjusting the water yield, the brush head adjusting mechanism includes the first baffle, the first baffle fixedly connected in the inner wall upper portion of shell, the top of first baffle is fixedly connected with motor, and the output of motor is fixedly connected with first gear wheel. In the utility model, start electric push rod, and push rod telescopic drives the synchronous movement of spray head, and then start motor and make first gear wheel rotate, and second gear wheel rotates synchronously along with it, drives first sleeve pipe to rotate around first pivot, and first sleeve pipe drives rotary plate to rotate synchronously, thereby adjusting the angle of spray head.
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Description

Technical Field

[0001] This utility model relates to the field of oral hygiene technology, and in particular to a retractable portable dental flosser. Background Technology

[0002] As living standards improve, people are paying more and more attention to oral health. Oral cleaning is an important measure to maintain oral health, and dental flossers are one of the important tools for cleaning the mouth. Traditional dental flossers have limitations in daily use, while portable dental flossers can meet the needs of various scenarios with their portable design and ease of use.

[0003] Portable dental irrigators mainly consist of a power system, a water supply system, a cleaning mechanism, and auxiliary mechanisms. Powered by a built-in rechargeable battery, they drive a miniature water pump to generate high-frequency pulsed water flow. This flow is delivered via a water conduit to a replaceable nozzle, which then precisely sprays the water into hard-to-reach areas such as between teeth and the gingival sulcus to flush away food debris and plaque. Compared to traditional irrigators, existing portable dental irrigators are not limited by the usage environment or specific tool combinations, lowering the barrier to entry and making them more convenient and faster. However, their excessive length and space-consuming nature still make them less portable. Later, a telescopic structure was added to adjust the nozzle's extension length. However, a shorter body obstructs the view when held, making it difficult to observe the cleanliness of the teeth. Conversely, an excessively long body leads to unstable force application, resulting in insufficient contact between the nozzle and teeth and failing to achieve the desired cleaning effect. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a retractable portable dental flosser, which aims to improve the existing technology. Although a retractable structure is added to adjust the extension length of the nozzle, the body is too short when held, which will cause the hand to block the view and make it inconvenient to observe the degree of cleaning of the teeth. On the other hand, the body is too long, which will cause unstable force and insufficient contact between the nozzle and the teeth, thus failing to achieve the ideal cleaning effect.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a retractable portable dental flosser, comprising a shell, a brush head adjustment mechanism at the top of the shell for adjusting the length and tilt angle of the brush head, a water storage tank in the middle of the shell, a flow rate adjustment mechanism in the middle of the water storage tank for adjusting the water output; the brush head adjustment mechanism includes a first partition fixedly connected to the upper part of the inner wall of the shell, a motor fixedly connected to the top of the first partition, a first gear fixedly connected to the output end of the motor, a first rotating shaft rotatably connected to the upper part of the inner wall of the shell, a first sleeve rotatably connected to the right side of the outer wall of the first rotating shaft, a second gear fixedly connected to the right end of the outer wall of the first sleeve, the outer wall of the second gear meshing with the outer wall of the first gear, a rotating plate fixedly connected to the outer wall of the first sleeve, and a telescopic component at the top of the rotating plate.

[0006] As a further description of the above technical solution:

[0007] The telescopic assembly includes a first electric push rod, which is fixedly connected to the top of the rotating plate. A fixed plate is fixedly connected to the output end of the first electric push rod. A nozzle is fixedly connected to the left side of the fixed plate. A water supply pipe is connected to the bottom end of the nozzle. The bottom end of the water supply pipe is connected to the interior of the water storage tank.

[0008] As a further description of the above technical solution:

[0009] The flow regulation mechanism includes a second sleeve, which is rotatably connected to the right side of the inner wall of the water storage tank. A second partition is fixedly connected to the rear side of the outer wall of the second sleeve. A round rod is fixedly connected to the inner wall of the second sleeve. A third sleeve is fixedly connected to the left side of the outer wall of the round rod. A third partition is fixedly connected to the front side of the outer wall of the third sleeve. A third gear is fixedly connected to the right side of the outer wall of the second sleeve. A drive assembly is provided on the right side of the bottom wall of the outer shell.

[0010] As a further description of the above technical solution:

[0011] The drive assembly includes a second electric push rod, which is fixedly connected to the right side of the bottom wall of the housing. A rack is fixedly connected to the output end of the second electric push rod, and the outer wall of the rack meshes with the outer wall of the third gear.

[0012] As a further description of the above technical solution:

[0013] A telescopic sleeve is fixedly connected to the top of the rotating plate, and the top of the telescopic sleeve is fixedly connected to the outer wall of the fixed plate.

[0014] As a further description of the above technical solution:

[0015] Two sliding switches are fixedly connected to the upper left side of the outer wall of the casing.

[0016] As a further description of the above technical solution:

[0017] A water tank is provided at the bottom of the outer shell, and the top of the outer wall of the water tank is engaged with the bottom of the inner wall of the outer shell.

[0018] As a further description of the above technical solution:

[0019] A water pump is installed in the middle of the bottom wall of the outer shell. One end of the water pump is connected to a water delivery pipe, and the other end of the water pump is connected to a water extraction pipe. The top end of the water delivery pipe is connected to the interior of the water storage tank, and the bottom end of the water extraction pipe is connected to the interior of the water storage tank.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, the electric push rod is started, and the push rod extends and retracts to drive the nozzle to move synchronously. Then the motor is started to make the first gear rotate, and the second gear rotates synchronously with it, driving the first sleeve to rotate around the first rotating shaft. The first sleeve drives the rotating plate to rotate synchronously, thereby adjusting the angle of the nozzle. This avoids the hand from obstructing the view when the body is too short when holding the device, and the force from the body being too long. This makes it easier to observe the degree of cleaning of the teeth and achieve the ideal cleaning effect.

[0022] 2. In this utility model, the second electric push rod is activated, and the push rod extends to drive the rack to rise along the inner groove of the outer shell. When the rack moves vertically, it drives the third gear to rotate. The third gear drives the second sleeve and the third sleeve to rotate, causing the second partition and the third partition to rotate. By changing the degree of inclination of the two, the amount of water flowing to the upper part of the water storage tank is changed, thereby controlling the flow rate of water in the water supply pipe for tooth cleaning. Attached Figure Description

[0023] Figure 1 This is a perspective view of a retractable portable dental irrigator proposed in this utility model;

[0024] Figure 2 This is a front view of a retractable portable dental irrigator proposed in this utility model;

[0025] Figure 3 This is a schematic diagram of the brush head adjustment mechanism of a retractable portable dental irrigator proposed in this utility model;

[0026] Figure 4 This is a schematic diagram of the flow adjustment mechanism of a retractable portable dental irrigator proposed in this utility model;

[0027] Figure 5This is a partial structural cross-sectional view of a retractable portable dental irrigator proposed in this utility model.

[0028] Legend:

[0029] 1. Outer shell; 2. Brush head adjustment mechanism; 201. First partition; 202. Motor; 203. First rotating shaft; 204. First sleeve; 205. Rotating plate; 206. Telescopic assembly; 2061. First electric push rod; 2062. Fixing plate; 2063. Nozzle; 2064. Water supply pipe; 207. First gear; 208. Second gear; 3. Flow regulation mechanism; 301. Second sleeve; 302. Round rod; 303. Third sleeve; 304. Second partition; 305. Third partition; 306. Third gear; 307. Drive assembly; 3071. Second electric push rod; 3072. Rack; 4. Water storage tank; 5. Telescopic sleeve; 6. Slide switch; 7. Water tank; 8. Water pump; 9. Water delivery pipe; 10. Water suction pipe. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figure 1 , Figure 3 and Figure 5This utility model provides an embodiment of a retractable portable dental flosser, comprising a shell 1, a brush head adjustment mechanism 2 at the top of the shell 1 for adjusting the length and tilt angle of the brush head, a water storage tank 4 in the middle of the shell 1, and a flow rate adjustment mechanism 3 in the middle of the water storage tank 4 for adjusting the water output; the brush head adjustment mechanism 2 includes a first partition 201 fixedly connected to the upper part of the inner wall of the shell 1, and a motor 202 fixedly connected to the top of the first partition 201. The motor 202 is of the following model: The motor is an RS380SH, powered by a DC power supply. It utilizes the electromagnetic force generated by the stator magnetic field and the current in the rotor windings to create torque, causing the rotor to rotate. Continuous rotation is achieved by automatically changing the direction of the current in the armature windings using a commutator. A first gear 207 is fixedly connected to the output end of the motor 202. A first shaft 203 is rotatably connected to the upper part of the inner wall of the housing 1. A first sleeve 204 is rotatably connected to the right side of the outer wall of the first shaft 203. A second gear 208 is fixedly connected to the right end of the outer wall of the first sleeve 204. The outer wall of the second gear 208 is connected to the first gear 207. The outer wall is engaged with the rotating plate 205, which is fixedly connected to the outer wall of the first sleeve 204. A telescopic assembly 206 is provided at the top of the rotating plate 205. The telescopic assembly 206 includes a first electric push rod 2061, model JRZ03. A reduction gearbox reduces the rotational speed and increases the torque to drive the lead screw to rotate, converting the rotational motion into the linear motion of the nut, thereby pushing the push rod to extend or retract, thus driving the nozzle 2063 to telescopically move. The first electric push rod 2061 is fixedly connected to the top of the rotating plate 205. A fixed plate 2062 is fixedly connected to the output end of 61. A nozzle 2063 is fixedly connected to the left side of the fixed plate 2062. A water supply pipe 2064 is connected to the bottom end of the nozzle 2063. The bottom end of the water supply pipe 2064 is connected to the interior of the water storage tank 4. Two sliding switches 6 are fixedly connected to the upper left side of the outer wall of the outer shell 1. The sliding switch 6 is model MSS2200G04. It changes the connection state of the internal contacts through mechanical sliding action, thereby realizing the circuit opening and closing, switching or signal path selection, and is used to start the first electric push rod 2061 and the motor 202.

[0032] Specifically, when the position of the nozzle 2063 needs to be adjusted, the sliding switch 6 on the upper part of the housing 1 is pushed to activate the first electric push rod 2061. The push rod of the first electric push rod 2061 begins to extend. Since the nozzle 2063 is connected to the push rod of the first electric push rod 2061, the extension and retraction of the push rod will drive the nozzle 2063 to move synchronously. When the spray angle of the nozzle 2063 needs to be changed, the sliding switch 6 on the lower part of the housing 1 is pushed to activate the motor 202. The motor 202 drives the first gear 207 connected to it to rotate. Since the first gear 207 and the second gear 208 are in a meshing state, the second gear 208 will rotate synchronously with the first gear 207. At the same time, it drives the first sleeve 204 fixedly connected to it to rotate around the first rotating shaft 203. The first sleeve 204 drives the rotating plate 205 connected to it to rotate synchronously. The rotation of the rotating plate 205 will drive the first electric push rod 2061 to rotate together, and drive the nozzle 2063 connected to it to rotate, thereby realizing the adjustment of the angle of the nozzle 2063.

[0033] Reference Figure 4 and Figure 5 The flow regulating mechanism 3 includes a second sleeve 301, which is rotatably connected to the right side of the inner wall of the water storage tank 4. A second partition 304 is fixedly connected to the rear side of the outer wall of the second sleeve 301. A round rod 302 is fixedly connected to the inner wall of the second sleeve 301 for driving the second sleeve 301 to rotate. A third sleeve 303 is fixedly connected to the left side of the outer wall of the round rod 302 for driving the round rod 302 to rotate. A third partition 305 is fixedly connected to the front side of the outer wall of the third sleeve 303. A third gear 306 is fixedly connected to the right side of the outer wall of the second sleeve 301 for driving the third sleeve 303 to rotate. The outer casing 1... A drive assembly 307 is provided on the right side of the bottom wall. The drive assembly 307 includes a second electric push rod 3071, model number JRZ03. The speed of the second electric push rod 3071 is reduced and the torque is increased by the reduction gearbox to drive the lead screw to rotate, converting the rotational motion into the linear motion of the nut, thereby pushing the push rod to extend or retract. The second electric push rod 3071 is fixedly connected to the right side of the bottom wall of the outer casing 1. A rack 3072 is fixedly connected to the output end of the second electric push rod 3071. A sliding groove for the rack 3072 to slide is opened on the inner wall of the outer casing 1. The outer wall of the rack 3072 meshes with the outer wall of the third gear 306.

[0034] Specifically, when it is necessary to adjust the water flow of the nozzle 2063, the second electric push rod 3071 is activated. The push rod of the second electric push rod 3071 begins to extend, pushing the rack 3072 connected to it to move upward along the preset sliding groove inside the outer shell 1. Since the rack 3072 is in a meshing state with the third gear 306, the rack 3072 will drive the third gear 306 to rotate synchronously during its vertical movement. When the third gear 306 rotates, it will drive the second sleeve 301 and the third sleeve 303 to rotate simultaneously, and synchronously drive the second partition 304 and the third partition 305 to rotate around the round rod 302. By changing the inclination of the second partition 304 and the third partition 305, the cross-sectional area of ​​the water flow channel leading to the upper part of the water storage tank 4 is adjusted, thereby changing the water volume in the upper part of the water storage tank 4, realizing the control of the water flow rate in the water supply pipe 2064, and meeting different usage needs.

[0035] Reference Figure 1 , Figure 2 and Figure 5 A telescopic sleeve 5 is fixedly connected to the top of the rotating plate 205 to isolate the first electric push rod 2061 from the outside. The top of the telescopic sleeve 5 is fixedly connected to the outer wall of the fixed plate 2062. A water tank 7 is provided at the bottom of the outer shell 1 for storing cleaning water. The top of the outer wall of the water tank 7 is engaged with the bottom of the inner wall of the outer shell 1. A water pump 8 is installed in the middle of the bottom wall of the outer shell 1. The model of the water pump 8 is AM130APW. It generates suction and pressure to draw water and drain water by being driven by a motor and rotating an impeller. One end of the water pump 8 is connected to a water delivery pipe 9, and the other end of the water pump 8 is connected to a water suction pipe 10. The top of the water delivery pipe 9 is connected to the inside of the water storage tank 4, and the bottom of the water suction pipe 10 is connected to the inside of the water storage tank 4.

[0036] Specifically, the telescopic sleeve 5 is fitted over the outside of the first electric push rod 2061, completely isolating it from the external environment and preventing moisture and impurities from entering. This prevents malfunctions due to moisture or contamination of components, ensuring the stability of its telescopic function. The water tank 7 is used to store cleaning water. Before cleaning, the water tank 7 is filled with water, and then connected to the outer casing 1 to prevent leakage. Then, the water pump 8 is started. When the water pump 8 is running, it draws the clean water stored in the water tank 7 into the water storage chamber 4 inside the outer casing 1. Once the water storage chamber 4 is full, the water flows along the water pipe 2064 and finally sprays out from the nozzle 2063.

[0037] Working principle: First, fill the water tank 7 with water, then connect it to the outer shell 1. Start the water pump 8 to pump water from the water tank 7 to the water storage chamber 4 and spray it out from the nozzle 2063 through the water pipe 2064. Push the upper sliding switch 6 to start the first electric push rod 2061. The push rod extends and drives the nozzle 2063 to move synchronously. When it is necessary to adjust the angle of the nozzle 2063, push the lower sliding switch 6 to start the motor 202 to make the first gear 207 rotate. Since the first gear 207 and the second gear 208 are in a meshing state, the second gear 208 will rotate synchronously with the first gear 207 and drive the first sleeve 204 to rotate around the first rotating shaft 203. The first sleeve 204 drives the rotating plate 205 connected to it to rotate synchronously, thereby adjusting the angle of the nozzle 2063.

[0038] When it is necessary to adjust the water flow of nozzle 2063, the second electric push rod 3071 is activated. The push rod extends and drives the rack 3072 to rise along the slide groove inside the outer casing 1. Since the rack 3072 is in a meshing state with the third gear 306, the rack 3072 will drive the third gear 306 to rotate when it moves vertically. The third gear 306 drives the second sleeve 301 to rotate, and drives the round rod 302 and the third sleeve 303 to rotate, causing the second partition 304 and the third partition 305 to rotate. Thus, the amount of water flowing to the upper part of the water storage tank 4 is changed by the degree of inclination of the two, and the flow rate of water in the water supply pipe 2064 is controlled.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A retractable portable dental flosser, comprising a housing (1), characterized in that: The top of the outer shell (1) is provided with a brush head adjustment mechanism (2), which is used to adjust the length and tilt angle of the brush head. A water storage tank (4) is installed in the middle of the outer shell (1), and a flow regulation mechanism (3) is provided in the middle of the water storage tank (4), which is used to regulate the water output. The brush head adjustment mechanism (2) includes a first partition (201), which is fixedly connected to the upper part of the inner wall of the outer shell (1). A motor (202) is fixedly connected to the top of the first partition (201). A first gear (207) is fixedly connected to the output end of the motor (202). A first rotating shaft (203) is rotatably connected to the upper part of the inner wall of the outer shell (1). A first sleeve (204) is rotatably connected to the right side of the outer wall of the first rotating shaft (203). A second gear (208) is fixedly connected to the right end of the outer wall of the first sleeve (204). The outer wall of the second gear (208) meshes with the outer wall of the first gear (207). A rotating plate (205) is fixedly connected to the outer wall of the first sleeve (204). A telescopic component (206) is provided at the top of the rotating plate (205).

2. The retractable portable dental flosser according to claim 1, characterized in that: The telescopic assembly (206) includes a first electric push rod (2061), which is fixedly connected to the top of the rotating plate (205). The output end of the first electric push rod (2061) is fixedly connected to a fixing plate (2062). A nozzle (2063) is fixedly connected to the left side of the fixing plate (2062). The bottom end of the nozzle (2063) is connected to a water supply pipe (2064), and the bottom end of the water supply pipe (2064) is connected to the interior of the water storage tank (4).

3. The retractable portable dental flosser according to claim 1, characterized in that: The flow regulating mechanism (3) includes a second sleeve (301), which is rotatably connected to the right side of the inner wall of the water storage tank (4). A second partition (304) is fixedly connected to the rear side of the outer wall of the second sleeve (301). A round rod (302) is fixedly connected to the inner wall of the second sleeve (301). A third sleeve (303) is fixedly connected to the left side of the outer wall of the round rod (302). A third partition (305) is fixedly connected to the front side of the outer wall of the third sleeve (303). A third gear (306) is fixedly connected to the right side of the outer wall of the second sleeve (301). A drive assembly (307) is provided on the right side of the bottom wall of the outer shell (1).

4. A retractable portable dental flosser according to claim 3, characterized in that: The drive assembly (307) includes a second electric push rod (3071), which is fixedly connected to the right side of the bottom wall of the housing (1). The output end of the second electric push rod (3071) is fixedly connected to a rack (3072), and the outer wall of the rack (3072) meshes with the outer wall of the third gear (306).

5. A retractable portable dental flosser according to claim 1, characterized in that: The top of the rotating plate (205) is fixedly connected to a telescopic sleeve (5), and the top of the telescopic sleeve (5) is fixedly connected to the outer wall of the fixed plate (2062).

6. A retractable portable dental flosser according to claim 1, characterized in that: Two sliding switches (6) are fixedly connected to the upper left side of the outer wall of the outer casing (1).

7. A retractable portable dental flosser according to claim 1, characterized in that: A water tank (7) is provided at the bottom of the outer shell (1), and the top of the outer wall of the water tank (7) is engaged with the bottom of the inner wall of the outer shell (1).

8. A retractable portable dental flosser according to claim 1, characterized in that: A water pump (8) is installed in the middle of the bottom wall of the outer shell (1). One end of the water pump (8) is connected to a water delivery pipe (9), and the other end of the water pump (8) is connected to a water pumping pipe (10). The top end of the water delivery pipe (9) is connected to the interior of the water storage tank (4), and the bottom end of the water pumping pipe (10) is connected to the interior of the water storage tank (4).