Electric toothbrush for children
By designing an electric children's toothbrush that automatically dispenses toothpaste, the problems of toothpaste slippage and non-replaceable toothpaste containers have been solved, achieving convenient toothpaste use and preventing bacterial growth.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-24
AI Technical Summary
Existing electric toothbrushes cannot automatically dispense toothpaste, and the toothpaste is easily smeared off; the toothpaste container is also not replaceable.
An electric children's toothbrush has been designed, comprising a toothbrush body, a toothbrush head, a drive assembly, and a toothpaste box assembly. The drive assembly drives a screw to automatically dispense toothpaste, and the toothpaste box is detachable for easy replacement.
It achieves an automatic toothpaste dispensing effect, avoids toothpaste spillage, reduces filling difficulty, and prevents bacterial growth.
Smart Images

Figure CN224023728U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to children toothbrush technical field, concretely is a kind of electric children toothbrush. BACKGROUND
[0002] Electric toothbrush is a kind of oral care tool that is driven by electric motor to clean brush head, compared with traditional manual toothbrush, it can more effectively remove dental plaque and food residue by high-frequency vibration or rotary motion, improve cleaning effect.Electric toothbrush is usually divided into rotary type and acoustic wave type, the former is cleaned by brush head rotation, and the latter is cleaned by high-frequency vibration to generate acoustic wave current into the dental crevice
[0003] Electric toothbrush can more effectively clean teeth and gums, improve oral hygiene, but it still has some problems, but it still has some problems: 1) it cannot realize automatic toothpaste squeezing effect, and toothpaste is easy to be thrown off when electric toothbrush starts;2) internal toothpaste box cannot be replaced;Therefore, in view of the above status, it is urgent to develop an electric children toothbrush to overcome the deficiencies in current practical application and meet the current needs. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an electric children toothbrush to solve the problems in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: an electric children toothbrush, comprising toothbrush main body assembly, toothbrush head assembly, driving assembly and toothpaste box assembly, driving assembly, toothpaste box assembly are matched with toothbrush main body assembly, toothbrush head assembly is connected with the output end of toothpaste box assembly;
[0006] Toothbrush main body assembly includes toothbrush rod body, end cover a and end cover b, end cover a is sleeved on the top end of toothbrush rod body, end cover b is detachably installed at the bottom end of toothbrush rod body;
[0007] Driving assembly includes mounting bracket, motor bracket, control panel, motor a, motor b and battery, mounting bracket is detachably installed in toothbrush rod body, motor bracket is fixedly arranged at the bottom end of mounting bracket, control panel, motor a and battery are sequentially fixedly arranged on one side of mounting bracket, motor b is arranged in motor bracket;
[0008] Toothpaste box assembly includes toothpaste box, screw rod, positioning piece, extrusion piston, end seal and transmission shaft, toothpaste box is detachably installed in toothbrush rod body, the output end of toothpaste box is fixedly provided with output pipe, screw rod is arranged in toothpaste box, positioning piece is sleeved on one end of screw rod adjacent to output pipe, end seal is sleeved on the other end of screw rod, screw rod and positioning piece, end seal are rotatably connected, extrusion piston is sleeved on screw rod and connected with screw rod by screw thread, one end of screw rod adjacent to end seal is fixedly provided with transmission shaft.
[0009] Preferably, the toothbrush head assembly comprises a toothbrush head and a toothpaste delivery pipe, the toothpaste delivery pipe is arranged in the toothbrush head, the toothbrush head is provided with bristle holes and an output hole, and the output hole is connected with the output end of the toothpaste delivery pipe, specifically, the toothpaste arranged is extruded through the toothpaste delivery pipe and the output hole in sequence and adhered to the bristles, which can avoid toothpaste falling to a certain extent.
[0010] Preferably, the output end of the motor b is provided with a transmission sleeve, the transmission sleeve is provided with a cross-shaped groove, the end of the transmission shaft is cross-shaped, and the transmission sleeve is matched with the transmission shaft, specifically, the motor b is matched with the transmission sleeve and the transmission shaft to drive the screw rod to rotate.
[0011] Preferably, the outer side of the toothpaste box is inwardly recessed to form a circular arc-shaped recessed part, and the recessed part is matched with the mounting frame, specifically, the structural feature can be matched with the mounting frame, can be perfectly accommodated into the toothbrush rod body, and the inner wall can prevent the rotation of the positioning member, the extrusion piston and the end seal.
[0012] Preferably, the edges of the extrusion piston, the positioning member and the end seal are all provided with circular arc-shaped notches matched with the inner wall of the toothpaste box, specifically, the structural feature can prevent the rotation in the toothpaste box, so that the screw rod can drive the extrusion piston to move along the axial direction in cooperation with the screw thread when the screw rod rotates, thereby realizing the automatic toothpaste extrusion effect.
[0013] Preferably, the positioning member adopts a hollow structure, specifically, the hollow structure can smoothly pass the toothpaste.
[0014] Preferably, the motor a is used for driving the toothbrush head assembly to vibrate.
[0015] Preferably, the output pipe of the toothpaste box is connected with the toothpaste delivery pipe.
[0016] Compared with the prior art, the electric toothbrush for children has the following beneficial effects:
[0017] The toothpaste box assembly with the built-in driving assembly and the screw rod can realize the automatic toothpaste extrusion effect, is simple and fast to operate, greatly improves the practicability, and the extruded toothpaste is gathered at the middle position of the bristles and adhered to the bristles, which can effectively avoid the toothpaste being thrown off when the electric toothbrush is started.
[0018] The toothpaste box assembly adopts a detachable design, can be replaced by a new toothpaste box after use, reduces the filling difficulty, and the sealing structure can avoid bacterial growth. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor.
[0020] Figure 1 It is a front structure schematic diagram of the present application.
[0021] Figure 2 It is an explosion view of the toothbrush main body assembly of the present application.
[0022] Figure 3 It is an explosion view of the toothpaste box assembly of the present application.
[0023] Figure 4 It is an explosion view of the driving assembly of the present application.
[0024] In the figure: 100, toothbrush main body assembly; 110, toothbrush rod body; 120, end cap a; 130, end cap b; 200, toothbrush head assembly; 210, toothbrush head; 211, bristle hole; 212, output hole; 220, toothpaste conveying pipe; 300, driving assembly; 310, mounting frame; 320, motor frame; 330, control board; 340, motor a; 350, motor b; 351, transmission sleeve; 360, battery; 400, toothpaste box assembly; 410, toothpaste box; 411, output pipe; 420, screw rod; 430, positioning piece; 440, extrusion piston; 450, end seal; 460, transmission shaft. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0026] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] Embodiment:
[0028] Please refer to Figures 1-4 The utility model provides a technical scheme: an electric child toothbrush, including toothbrush main part assembly 100, toothbrush head assembly 200, drive assembly 300 and toothpaste box assembly 400, drive assembly 300, toothpaste box assembly 400 all are cooperated with toothbrush main part assembly 100, toothbrush head assembly 200 is connected with the output end of toothpaste box assembly 400,
[0029] Toothbrush main part assembly 100 includes toothbrush rod body 110, end cap a 120 and end cap b 130, end cap a 120 is sleeved in the top end of toothbrush rod body 110, and end cap b 130 is detachably installed at the bottom end of toothbrush rod body 110,
[0030] Drive assembly 300 includes mounting bracket 310, motor bracket 320, control panel 330, motor a 340, motor b 350 and battery 360, mounting bracket 310 is detachably installed in toothbrush rod body 110, motor bracket 320 is fixedly arranged at the bottom end of mounting bracket 310, control panel 330, motor a 340 and battery 360 are sequentially fixedly arranged at one side of mounting bracket 310, and motor b 350 is arranged in motor bracket 320,
[0031] Toothpaste box assembly 400 includes toothpaste box 410, screw rod 420, positioning piece 430, extrusion piston 440, end seal 450 and transmission shaft 460, toothpaste box 410 is detachably installed in toothbrush rod body 110, the output end of toothpaste box 410 is fixedly provided with output pipe 411, screw rod 420 is arranged in toothpaste box 410, positioning piece 430 is sleeved on one end of screw rod 420 adjacent output pipe 411, end seal 450 is sleeved on the other end of screw rod 420, screw rod 420 is rotatably connected with positioning piece 430 and end seal 450, extrusion piston 440 is sleeved on screw rod 420 and is connected with screw rod 420 through screw thread, and one end of screw rod 420 adjacent end seal 450 is fixedly provided with transmission shaft 460.
[0032] Preferably, toothbrush head assembly 200 includes toothbrush head 210 and toothpaste delivery pipe 220, toothpaste delivery pipe 220 is arranged in toothbrush head 210, toothbrush head 210 is provided with bristle hole 211 and output hole 212, output hole 212 is connected with the output end of toothpaste delivery pipe 220, and specifically, toothpaste is sequentially extruded and adhered on bristle through toothpaste delivery pipe 220 and output hole 212, which can avoid toothpaste from falling to a certain extent.
[0033] Preferably, the output end of the motor b350 is provided with a transmission sleeve 351, a "cross" groove is formed in the transmission sleeve 351, and the end of the transmission shaft 460 is in the shape of a "cross". The transmission sleeve 351 is matched with the transmission shaft 460, and specifically, the motor b350 is matched with the transmission sleeve 351 and the transmission shaft 460 to drive the screw rod 420 to rotate.
[0034] Preferably, the outer side of the toothpaste box 410 is inwardly recessed to form a circular arc-shaped recess, and the recess is matched with the mounting frame 310. Specifically, the structural feature can be matched with the mounting frame 310, and at the same time, it can be perfectly accommodated into the toothbrush rod body 110. The inner wall can also prevent the rotation of the positioning member 430, the extrusion piston 440 and the end seal 450.
[0035] Preferably, the edges of the extrusion piston 440, the positioning member 430 and the end seal 450 are provided with circular arc-shaped notches matched with the inner wall of the toothpaste box 410. Specifically, the structural feature can ensure that the toothpaste box 410 will not rotate, so that the screw rod 420 can drive the extrusion piston 440 to move axially when it rotates, realizing the automatic toothpaste extrusion effect.
[0036] Preferably, the positioning member 430 adopts a hollow structure. Specifically, the hollow structure can allow the toothpaste to pass smoothly.
[0037] Preferably, the motor a340 is used to drive the toothbrush head assembly 200 to vibrate.
[0038] Preferably, the output pipe 411 of the toothpaste box 410 is connected with the toothpaste conveying pipe 220.
[0039] Working principle: when in use, hold the toothbrush rod body 110, then start the motor b350, drive the screw rod 420 to rotate through the transmission sleeve 351 matched with the transmission shaft 460, and drive the extrusion piston 440 to move towards the toothbrush head 210 through the screw thread during the rotation of the screw rod 420, so as to extrude the toothpaste filled in the toothpaste box 410 from the output pipe 411, then successively through the toothpaste conveying pipe 220 and the output hole 212 to the middle position of the bristles, and finally start the motor a340 to drive the toothbrush head 210 and the bristles to vibrate at high frequency for tooth brushing. It should be pointed out that the toothpaste box assembly 400 adopts a detachable design, and when the toothpaste inside is used up, a new toothpaste box assembly 400 can be used to replace it.
[0040] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.
Claims
1. A motorized child's toothbrush characterized by: The utility model provides a toothbrush head assembly (200), toothpaste box assembly (400) and drive assembly (300) are all matched with toothbrush body assembly (100), toothpaste box assembly (400) output end is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), toothpaste box assembly (400) is connected with drive assembly (300), drive assembly (300) is connected with toothbrush body assembly (100), toothpaste box assembly (400) is connected with toothbrush head assembly (200), 2. The electrically powered children's toothbrush of claim 1, wherein: 3. The electrically powered children's toothbrush of claim 1, wherein: 4. The electrically powered children's toothbrush of claim 1, wherein: 5. The electrically powered children's toothbrush of claim 1, wherein: The edges of the extrusion piston (440), the positioning member (430) and the end seal (450) are provided with arc-shaped notches which are adapted to the inner wall of the toothpaste box (410).
6. The electrically powered children's toothbrush of claim 1, wherein: The positioning member (430) is provided with a hollow structure.
7. The electrically powered children's toothbrush of claim 1, wherein: The motor a (340) is used for driving the toothbrush head assembly (200) to vibrate.
8. The electrically powered children's toothbrush of claim 1, wherein: The output pipe (411) of the toothpaste box (410) is connected with the toothpaste conveying pipe (220).