TOOTHBRUSH

Abstract

A toothbrush is provided which comprises a brush head and a brush handle, and an insertion portion is disposed at a lower end of the brush head, an insertion hole mated with the insertion portion is disposed at an upper end of the brush handle, a first fitting ring is disposed on the insertion portion, and a second fitting ring for limiting in cooperation with the first fitting ring is disposed on an inner wall of the insertion hole; and a limiting mechanism for limiting the rotation of the brush head. Since the insertion portion and the insertion hole are mated and two fitting rings are adopted to cooperatively realize axial limitation in the present disclosure, there will be many advantages such as simple mold opening, ease of manufacturing and molding, no need of special core-pulling mechanism, simple structure, and low mold opening cost, ease of mold removal after product molding, high finished product rate, and low manufacturing cost compared with the prior art.

Claims

1. A toothbrush, comprising: a brush head (1) and a brush handle (2), wherein an insertion portion (3) is disposed at a lower end of the brush head (1), and an insertion hole (4) mated with the insertion portion (3) is disposed at an upper end of the brush handle (2); a first fitting ring (5) is disposed on the insertion portion (3), and a second fitting ring (6) for limiting in cooperation with the first fitting ring (5) is disposed on an inner wall of the insertion hole (4); it further comprises a limiting mechanism for limiting the rotation of the brush head (1).

2. The toothbrush of claim 1, wherein the limiting mechanism comprises a limiting block (7) and a limiting groove (8) cooperating with the limiting block to limit; when the limiting block (7) is located on the brush head (1) or the brush handle (2), the limiting groove (8) is located on the brush handle (2) or the brush head (1).

3. The toothbrush of claim 2, wherein the limiting block (7) is located at a transition position of the brush head and the insertion portion (3), and the limiting groove (8) is located on an inner wall of the insertion hole (4); the limiting groove (8) has an opening at an upper end surface of the brush handle (2) to facilitate inserting the limiting block (7) into the limiting groove (8).

4. The toothbrush of claim 1, wherein a hand protector (9) is arranged between the brush head (1) and the brush handle (2) to block liquid flowing or dripping from the brush head (1).

5. The toothbrush of claim 1, wherein the toothbrush further comprises a seat (10) for holding the brush handle (2).

6. The toothbrush of claim 5, wherein an attraction mechanism attracting onto the seat (10) is disposed at a lower end of the brush handle (2).

7. The toothbrush of claim 5, wherein the attraction mechanism is a magnetic attraction mechanism; when a magnet (11) is embedded at the lower end surface of the brush handle (2), a magnet (11) or a ferromagnetic body is arranged on the seat (10), and when a ferromagnetic body is embedded at the lower end surface of the brush handle (2), a magnet (11) is arranged on the seat (10).

8. The toothbrush of claim 7, wherein the seat (10) is formed by a cladding layer (13) prepared with a flexible material and a core layer (14) prepared with a magnet (11) or ferromagnetic body, and the cladding layer (13) is covered on an outer surface of the core layer (14).

9. The toothbrush of claim 1, wherein the insertion portion (3) has a length of 1-6 cm.

10. The toothbrush of claim 9, wherein the insertion portion (3) has a length of 2-5 cm and the first fitting ring (5) is located at a position of the insertion portion (3) close to the brush head (1).

11. The toothbrush of claim 1, wherein a wave-shaped anti-slip pattern is arranged on a peripheral surface of the brush handle (2).

12. The toothbrush of claim 1, wherein anti-slip rings are arranged at an interval on the peripheral surface of the brush handle (2).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present disclosure will be further described in details in combination with the accompanying drawings and the preferred embodiments. Those skilled in the art may understand that these drawings are drawn only for the purpose of explaining the preferred embodiments and thus shall not be intended to limit the present disclosure. Further, unless otherwise stated, these drawings only conceptually illustrate the composition or construction of the described objects, may contain exaggerative illustrations and also are not necessarily drawn to scale.

[0019] FIG. 1 is a structural schematic diagram of a toothbrush according to Embodiment One of the present disclosure.

[0020] FIG. 2 is an enlarged view of a brush handle of a toothbrush according to Embodiment One of the present disclosure.

[0021] FIG. 3 is a side view of a brush head of a toothbrush according to Embodiment One of the present disclosure.

[0022] FIG. 4 is a structural schematic diagram of a toothbrush according to Embodiment Two of the present disclosure.

[0023] FIG. 5 is an exploded view of a toothbrush according to Embodiment Two of the present disclosure.

[0024] FIG. 6 is a structural schematic diagram of a toothbrush according to Embodiment Three of the present disclosure.

[0025] FIG. 7 is an enlarged view of a brush handle of a toothbrush according to Embodiment Three of the present disclosure.

[0026] FIG. 8 is a sectional enlarged view of a seat of a toothbrush according to Embodiment Three of the present disclosure.

[0027] FIG. 9 is a front view of a toothbrush according to Embodiment Three of the present disclosure.

[0028] Numerals of the drawings are described below: 1. brush head, 2. brush handle, 3. insertion portion, 4. insertion hole, 5. first fitting ring, 6. second fitting ring, 7. limiting block, 8. limiting groove, 9. hand protector, 10. seat, 11. magnet, 12. sunken hole, 13. cladding layer, and 14. core layer.

Embodiments

[0029] The present disclosure will be detailed below in combination with the accompanying drawings.

[0030] In order to make the object, the technical solutions, and the advantages of the present disclosure clearer, the present disclosure will be further described below in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are used to only explain the present disclosure rather than limit the present disclosure.

[0031] Those skilled in the art should understand that in the present disclosure, orientation or positional relationship indicated by the terms such as “longitudinal”, “transverse”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, and “outside” is used only for ease of descriptions and simplification of descriptions and does not indicate or imply that the indicated devices or elements must have a particular orientation, or be constructed or operated in a particular orientation. Therefore, such terms shall not be understood as limiting of the present disclosure.

Embodiment One

[0032] As shown in FIGS. 1, 2 and 3, a toothbrush comprises a brush head 1 and a brush handle 2. A cylindrical insertion portion 3 having a length of 1-6 cm (in this embodiment, the length is 3 cm, and the specific length will be set according to an outer diameter of the insertion portion 3 and specific user groups) is disposed at a lower end of the brush head 1 and an outer diameter of the insertion portion 3 is smaller than a diameter of a lower end surface of the brush head 1. In this way, the lower end surface of the brush head 1 will have a limiting function for a depth of the insertion portion 3 inserted into an insertion hole 4. The insertion hole 4 mated with the insertion portion 3 is disposed at an upper end surface of the brush handle 2. The insertion hole 4 is a blind hole, a wave-shaped anti-slip pattern is disposed on a peripheral surface of the brush handle 2, and anti-slip rings made of silica gel or rubber material are disposed at an interval on the peripheral surface of the brush handle 2. In this case, the slip resistance will be increased, and a hand gripping feel will also be improved, achieving good ergonomic effect. A first fitting ring 5 is disposed on the insertion portion 3, the first fitting ring 5 is a radial annular protrusion on a peripheral surface of the insertion portion 3, and an outer diameter of the first fitting ring 5 is also smaller than the diameter of the lower end surface. A second fitting ring 6 cooperating with the first fitting ring 5 to limit is disposed on an inner wall of the insertion hole 4. The first fitting ring 5 and the second fitting ring 6 perform upward limiting to the insertion portion 3 through cooperation, and thus axial limiting is performed for the insertion portion 3 together with the lower end surface of the brush head 1. The toothbrush further comprises a limiting mechanism for limiting the rotation of the brush head 1. The limiting mechanism comprises a limiting block 7 and a limiting groove 8 cooperating with the limiting block 7 for limiting. The limiting block 7 is located at a transition position of the brush head 1 and the insertion portion 3, and the limiting groove 8 is located on an inner wall of the insertion hole 4. Further, the limiting groove 8 has an opening at an upper end surface of the brush handle 2, thereby facilitating inserting the limiting block 7 into the limiting groove 8 and helping the molding of the limiting groove 8 and the core pulling at the time of mold stripping. Thus, the production costs are reduced.

Embodiment Two

[0033] As shown in FIGS. 4 and 5, a hand protector 9 is disposed between the brush head 1 and the brush handle 2 to block liquid flowing and/or dripping from the brush head 1. The hand protector 9 is in the shape of inversed bowl with its peripheral edge shaped like petals, so that more attention of the children will be attracted. Therefore, the children will love the toothbrush and love brushing teeth. A through hole, a diameter of which is smaller than diameters of the lower end surface of the brush head 1 and the upper end surface of the brush handle 2, is disposed at the middle of the hand protector 9. An annular protrusion, an axis of which is on the same straight line together with an axis of the brush handle 2, is disposed at the upper end surface of the brush handle 2 and inserted into the through hole. With this disposal, the hand protector 9 will not affect the disposal of the insertion portion 3, realizing good entirety. Further, the insertion portion 3 has a length of 4 cm.

[0034] Other structures are same as Embodiment One.

Embodiment Three

[0035] As shown in FIGS. 6, 7, 8 and 9, the toothbrush further comprises a seat 10 for holding the brush handle 2. An attraction mechanism attracted onto the seat 10 is disposed at a lower end of the brush handle 2. The attraction mechanism is a magnetic attraction mechanism. A sunken hole 12 in which a magnet 11 is embedded is disposed at the lower end surface of the brush handle 2, and the magnet 11 is a strong magnet. The seat 10 is formed by a cladding layer 13 prepared with a flexible material and a core layer 14 prepared with a ferromagnetic body, and the flexible material is rubber and the ferromagnetic body is an iron sheet. In this case, the brush handle 2 and the seat 10 will be attracted more tightly. The core layer 14 is usually located at the middle upper position of the cladding layer 13, so that the cladding layer 13 will be more closely attached to a target object when the seat 10 is placed on the target object, thereby increasing the stability of the seat 10. With the seat 10, the toothbrush can be placed separately without being placed into a tooth-brushing cup. Therefore, it is difficult for water stain or mildew to appear at the bottom of the brush handle 2 so as to keep the toothbrush clean. Further, the toothbrush can be effectively separated from the toothbrush of an adult and also has a degree of fun, which helps children to love brushing teeth and develop a good habit of periodically brushing teeth. The brush handle 2 may also be attracted to another object prepared with the ferromagnetic body, giving better flexibility to use, and increasing the fun to attract the children to use it.

[0036] The length of the insertion portion 3 is 5 cm. The first fitting ring 5 is located at a position of the insertion portion 3 close to the brush head 1. In this embodiment, a distance from the first fitting ring 5 to the lower end surface of the brush head 1 is ⅕ of the length of the insertion portion 3.

[0037] Other structures are same as Embodiment Two.

Embodiment Four

[0038] The sunken hole 12 in which a ferromagnetic body embedded is disposed at the lower end surface of the brush handle 2 while the seat 10 is formed by the cladding layer 13 prepared with a flexible material and the core layer 14 prepared with the magnet 11, and the ferromagnetic body is an iron sheet, the flexible material is silica gel, and the magnet 11 is a strong magnet. In this case, when the children brush their teeth using the toothbrush, an electronic watch on the hand of the children will not be affected by the strong magnet.

[0039] Other structures are same as Embodiment Three.

[0040] Above detailed descriptions are made to the present disclosure. The principle and the implementation of the present disclosure are explained with specific embodiments. The above descriptions of embodiments are only used to help understand the present disclosure and its core idea. It should be pointed out that those skilled in the art may make several improvements or modifications to the present disclosure without departing from the principle of the present disclosure, and these improvements and modifications shall all fall within the scope of protection of the claims of the present disclosure.