Replaceable brush head for orthodontic toothbrush

Abstract

The utility model discloses an orthodontic toothbrush of replaceable brush head, including the brush handle of upper end opening, and one end of brush handle is connected with the brush rod through the rotating part, and the free end of brush rod is provided with the brush head, rotating part includes the rotation part of being set up in the brush rod far from the brush head one end, and the both sides of rotation part are provided with the round axle, and the both sides of one end of brush handle close to brush rod are provided with the rotation hole of adapting with round axle, and the inside of brush handle is provided with the recessed groove of adapting with round axle with the corresponding place of rotation hole. This orthodontic toothbrush of replaceable brush head, through the cooperation of the rotating part, the round axle, the rotation hole, the recessed groove that sets up, will fold and replace the two big functions of brush head and combine into one, this design makes brush rod to be able to fold, greatly promotes the portability and the storage efficiency of product, secondly, the structure itself can be detached, so that the brush head replacement becomes extremely simple, and the user does not need to replace the whole toothbrush, which significantly reduces the long -term use cost, and conforms to the environmental protection concept.

Description

Technical Field

[0001] This utility model relates to the field of toothbrush technology, and in particular to an orthodontic toothbrush with replaceable brush heads. Background Technology

[0002] An orthodontic toothbrush is an oral hygiene tool specifically designed for people wearing fixed braces. Its core feature lies in the shape of the bristles, which typically employ a unique peak-shaped or elongated structure. This design aims to avoid obstruction by the brackets and wires of the braces, allowing the bristles to more effectively clean areas that are difficult for ordinary toothbrushes to reach, such as around the brackets and under the archwire. This helps users remove food debris and plaque more thoroughly, reducing the risk of enamel demineralization and gingivitis during orthodontic treatment.

[0003] However, traditional orthodontic toothbrushes have significant shortcomings in terms of structural flexibility. Most products adopt a one-piece fixed design similar to ordinary manual toothbrushes, with the brush head and handle rigidly connected, making it impossible to replace or adjust the angle. This means that once the brush head wears out, the entire toothbrush must be discarded, which is neither economical nor environmentally friendly, and it cannot meet users' personalized needs for specific brush head functions. At the same time, their handles are usually one-piece long rod structures that cannot be folded or rotated, lacking portability and failing to meet the space requirements when carrying them out, bringing many inconveniences to users in various usage scenarios.

[0004] Therefore, it is necessary to propose an orthodontic toothbrush with replaceable brush heads to solve the above problems. Utility Model Content

[0005] The main objective of this invention is to provide an orthodontic toothbrush with replaceable brush heads, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: An orthodontic toothbrush with replaceable brush head includes a handle with an open top. One end of the handle is connected to a brush rod via a rotating component. A brush head is provided at the free end of the brush rod. The rotating component includes a rotating part located at the end of the brush rod away from the brush head. Round shafts are provided on both sides of the rotating part. Rotating holes adapted to the round shafts are provided on both sides of the end of the handle near the brush rod. A recessed groove adapted to the round shafts is provided on the inner side of the handle corresponding to the rotating holes. A receiving cavity adapted to the brush head is provided at the end of the handle away from the brush rod.

[0007] Preferably, the upper edge of the recessed groove is chamfered, and the round shaft can enter the recessed groove through the chamfer and open the side wall of the brush handle end.

[0008] Preferably, it also includes a limiting component, the limiting component including a first mounting groove disposed at the bottom of the brush handle near the brush rod end, the inner wall of the first mounting groove being provided with a blind hole, a rotating shaft being rotatably disposed inside the blind hole, a stop plate being mounted on the rotating shaft, a torsion spring being disposed between the end of the rotating shaft and the inner wall of the blind hole, a first slot corresponding to the stop plate being provided on one side of the rotating part, and a second slot being provided on the side of the rotating part away from the first slot.

[0009] Preferably, the bottom of the stop plate is provided with a second mounting groove with a right-angled triangular cross section, and a toggle piece is rotatably disposed in the second mounting groove.

[0010] Preferably, the bottom wall of the receiving cavity is provided with a through hole.

[0011] Preferably, the upper side of the receiving cavity is provided with a recess.

[0012] Preferably, a pair of support ribs are provided on the inner side of the brush handle away from the receiving cavity.

[0013] Compared with the prior art, this utility model provides an orthodontic toothbrush with replaceable brush heads, which has the following beneficial effects: 1. This orthodontic toothbrush with replaceable brush heads combines the two major functions of folding and brush head replacement into one through the cooperation of the rotating part, round shaft, rotating hole, and recessed groove. This brings multiple core advantages. First, the design allows the brush handle to be folded, which greatly improves the portability and storage efficiency of the product. Second, the structure itself is detachable, making brush head replacement extremely simple. Users do not need to replace the entire toothbrush, which significantly reduces long-term usage costs, conforms to the concept of environmental protection, and provides users with a high degree of personalization and freedom to choose different brush heads according to different stages or needs.

[0014] 2. This orthodontic toothbrush with replaceable brush head features a limiting component that allows the brush handle and brush bar to be rigidly fixed together after the user flips the brush head out, forming a stable unit. This effectively eliminates the possibility of the brush handle accidentally rotating or wobbling when brushing, ensuring that the bristles can apply force accurately and efficiently to the teeth and the surface of the orthodontic appliance, thereby greatly improving the stability, safety, and user confidence of the cleaning process. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of this utility model in its folded state; Figure 3 This is a structural diagram of the present invention in its disassembled state; Figure 4 This is a utility model Figure 3 A structural diagram from another perspective based on the above; Figure 5 This is a structural diagram of the toggle plate and stop plate of this utility model in their disassembled state; Figure 6 This is a cross-sectional structural diagram of the connection between the rotating part and the brush handle of this utility model.

[0016] In the diagram: 1. Brush handle; 2. Brush rod; 3. Brush head; 4. Rotating part; 5. Receiving cavity; 6. Recess; 7. Support rib; 8. Round shaft; 9. Through hole; 10. Recessed groove; 11. First mounting groove; 12. Stop plate; 13. Actuating plate; 14. Blind hole; 15. Rotating shaft; 16. Second mounting groove; 17. Torsion spring; 18. First slot; 19. Second slot; 20. Rotating hole. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0018] like Figure 1-6 As shown, an orthodontic toothbrush with replaceable brush heads includes a handle 1 with an open top. One end of the handle 1 is connected to a brush rod 2 via a rotating component. A brush head 3 is disposed at the free end of the brush rod 2. The rotating component includes a rotating part 4 disposed at the end of the brush rod 2 away from the brush head 3. Round shafts 8 are disposed on both sides of the rotating part 4. Rotating holes 20 adapted to the round shafts 8 are disposed on both sides of the end of the handle 1 near the brush rod 2. A recess adapted to the round shafts 8 is disposed on the inner side of the handle 1 at the corresponding position of the rotating holes 20. The groove 10 has a chamfer on the upper edge to facilitate the entry of the round shaft 8 into the groove 10. The round shaft 8 can enter the groove 10 through the chamfer and open the side wall of the end of the brush handle 1. The end of the brush handle 1 away from the brush rod 2 is provided with a receiving cavity 5 that is adapted to the brush head 3. The receiving cavity 5 is used to receive the brush head 3. In order to allow ventilation, a through hole 9 is provided on the bottom wall of the receiving cavity 5. In order to facilitate the flipping out of the brush head 3, a recess 6 is provided on the side of the upper end of the receiving cavity 5.

[0019] It also includes a limiting component, which includes a first mounting groove 11 located at the bottom of the brush handle 1 near the brush rod 2. The inner wall of the first mounting groove 11 is provided with a blind hole 14. A rotating shaft 15 is rotatably mounted inside the blind hole 14. A stop plate 12 is mounted on the rotating shaft 15. A torsion spring 17 is provided between the end of the rotating shaft 15 and the inner wall of the blind hole 14. A first slot 18 corresponding to the stop plate 12 is provided on one side of the rotating part 4. A second slot 19 is provided on the side of the rotating part 4 away from the first slot 18. In order to facilitate the flipping of the stop plate 12, a second mounting groove 16 with a right-angled triangular cross section is provided at the bottom of the stop plate 12. A toggle piece 13 is rotatably mounted in the second mounting groove 16. The stop plate 12 can be flipped by the toggle piece 13.

[0020] In addition, in order to support the brush handle 2 and strengthen the structural strength of the brush handle 1, a pair of support ribs 7 are provided on the inner side of the brush handle 1 away from the receiving cavity 5. The space between the two support ribs 7 can also store disposable toothpaste.

[0021] When in use, one end of the stop plate 12 is located in the first slot 18, and the rotating part 4 is restricted by the stop plate 12, preventing the brush rod 2 from flipping. When folding after use, flip the actuating plate 13 downwards, and then move the actuating plate 13 towards one end of the brush rod 2. Due to the restriction on one side of the inner cavity of the second mounting groove 16, the actuating plate 13 can drive the stop plate 12 to rotate, and one end of the stop plate 12 disengages from the first slot 18. Then the brush rod 2 can be flipped over, and the brush head 3 enters the inner side of the brush handle 1. The brush head 3 enters the receiving cavity 5. The support rib 7 supports the brush rod 2, and the support rib 7 can also strengthen the structural strength of the inner cavity of the brush handle 1. The through hole 9 can be used for the brush head 3 to breathe and reduce moisture. The recess 6 can facilitate the subsequent flipping of the brush head 3. The space can also hold disposable toothpaste, making it convenient for outdoor use. After folding, release the lever 13, and the torsion spring 17 will drive the rotating shaft 15 and the stop plate 12 to return to their original positions. One end of the stop plate 12 will enter the second slot 19, thereby abutting the rotating part 4. This prevents the brush handle 2 from easily flipping out when carrying it, increasing the stability of the brush handle 2. Finally, when the brush head 3 needs to be replaced, bend the side wall of one end of the brush handle 1 outward. The side wall will bend slightly outward and deform. Remove the round shaft 8 from the rotating hole 20 and the recessed groove 10. When installing the new brush head 3, insert the round shaft 8 at the end of the rotating part 4 into the recessed groove 10. It can be guided in by the chamfer, thereby opening the side wall of the brush handle 1. Press down on the rotating part 4 until the round shaft 8 is inserted into the rotating hole 20.

[0022] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An orthodontic toothbrush with replaceable brush heads, characterized in that: The brush handle (1) has an opening at the top. One end of the brush handle (1) is connected to a brush rod (2) via a rotating component. A brush head (3) is provided at the free end of the brush rod (2). The rotating component includes a rotating part (4) located at the end of the brush rod (2) away from the brush head (3). A round shaft (8) is provided on both sides of the rotating part (4). Rotating holes (20) adapted to the round shaft (8) are provided on both sides of the end of the brush handle (1) near the brush rod (2). A recessed groove (10) adapted to the round shaft (8) is provided at the corresponding position of the rotating hole (20) on the inner side of the brush handle (1). A receiving cavity (5) adapted to the brush head (3) is provided at the end of the brush handle (1) away from the brush rod (2).

2. The orthodontic toothbrush with replaceable brush head according to claim 1, characterized in that: The upper edge of the recessed groove (10) is chamfered, and the round shaft (8) can enter the recessed groove (10) through the chamfer and open the side wall of the end of the brush handle (1).

3. The orthodontic toothbrush with replaceable brush head according to claim 1, characterized in that: It also includes a limiting component, which includes a first mounting groove (11) located at the bottom of the brush handle (1) near the brush rod (2). The inner wall of the first mounting groove (11) is provided with a blind hole (14). A rotating shaft (15) is rotatably provided inside the blind hole (14). A stop plate (12) is installed on the rotating shaft (15). A torsion spring (17) is provided between the end of the rotating shaft (15) and the inner wall of the blind hole (14). A first slot (18) corresponding to the stop plate (12) is provided on one side of the rotating part (4). A second slot (19) is provided on the side of the rotating part (4) away from the first slot (18).

4. The orthodontic toothbrush with replaceable brush head according to claim 3, characterized in that: The bottom of the stop plate (12) is provided with a second mounting groove (16) with a right-angled triangle cross section, and a toggle plate (13) is rotatably arranged in the second mounting groove (16).

5. An orthodontic toothbrush with a replaceable brush head according to any one of claims 1-4, characterized in that: The bottom wall of the receiving cavity (5) is provided with a through hole (9).

6. An orthodontic toothbrush with a replaceable brush head according to claim 5, characterized in that: The upper side of the receiving cavity (5) is provided with a recess (6).

7. An orthodontic toothbrush with a replaceable brush head according to claim 6, characterized in that: A pair of support ribs (7) are provided on the inner side of the brush handle (1) away from the receiving cavity (5).

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