Toothbrush with replaceable brush head

Abstract

The utility model discloses a toothbrush with a replaceable brush head, which comprises a toothbrush main body, the brush head and a soft rubber protective sleeve, the toothbrush main body is provided with a brush head part and a brush handle part, the soft rubber protective sleeve is provided with a head sleeve part and a handle sleeve part, the brush head is arranged in the brush head part, the brush head part is coated by the head sleeve part, and the brush handle part is at least partially coated by the handle sleeve part. The head sleeve part and the brush head part are provided with auxiliary replacement notches used for dismounting and replacing the brush head. The toothbrush with the replaceable brush head has the advantages of being simple in structure, convenient to use and capable of effectively improving the use comfort of a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to toothbrush technical field, concretely relates to a toothbrush with replaceable brush head. BACKGROUND

[0002] Toothbrush is a commonly used daily washing and cleaning article, and is a main tool for people to maintain oral hygiene. At present, the toothbrushes sold on the market mainly include manual toothbrushes and electric toothbrushes. However, the brush head of the manual toothbrush and the electric toothbrush is usually made of a material with a relatively hard texture. During tooth brushing, the brush head will collide with the teeth, causing discomfort. When the brush head moves in the oral cavity, the brush head is prone to scratch or wound the gums, resulting in bleeding and inflammation, and oral diseases. Moreover, the toothbrush bristles will be worn and deformed after being used for a period of time, the cleaning effect of tooth brushing is greatly reduced, the user experience is poor, and a new toothbrush has to be purchased, which has certain limitations. SUMMARY

[0003] The utility model wants to solve the technical problem that the prior art exists, provides a toothbrush with replaceable brush head, simple structure, convenient to use, can effectively improve the user's comfort.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A toothbrush with replaceable brush head, comprising a toothbrush main body, a brush head and a soft rubber protective sleeve, the toothbrush main body has a brush head part and a brush handle part, the soft rubber protective sleeve has a head sleeve part and a handle sleeve part, the brush head is installed in the brush head part, the head sleeve part covers the brush head part, the handle sleeve part at least partially covers the brush handle part, and an auxiliary replacement notch for disassembling and replacing the brush head is formed in the head sleeve part and the brush head part.

[0006] As a further improvement of the above technical scheme:

[0007] The brush head comprises a bottom plate and a bristle main body, and a plurality of buckle protrusions for buckling cooperation with the bottom plate are arranged on the inner periphery of the side wall of the brush head part.

[0008] A plurality of connecting through grooves are formed in the inner periphery of the side wall of the brush head part, and a plurality of connecting rubber columns are formed in the inner periphery of the side wall of the head sleeve part and are arranged in the connecting through grooves.

[0009] One end of the handle sleeve part away from the head sleeve part is provided with a bubble blocking wall.

[0010] The toothbrush main body is a manual toothbrush.

[0011] The auxiliary replacement notch is a longitudinal extension notch.

[0012] As an alternative to the above solution, the toothbrush body is an electric toothbrush head.

[0013] The waterproof sealing sleeve is arranged on the side of the bubble blocking wall away from the head cover part.

[0014] As an alternative to the above solution, the auxiliary replacement notch is arranged as a transversely extending notch.

[0015] The head cover part and the brush head part are provided with an introduction slope which is connected with the transversely extending notch.

[0016] As an alternative to the above solution, the brush head comprises a bottom plate and a bristle body, the outer periphery of the bottom plate is provided with a plurality of groups of buckle protrusions, and the inner periphery of the side wall of the brush head part is provided with a plurality of groups of buckle grooves matched with the buckle protrusions.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The toothbrush with replaceable brush head comprises a toothbrush body, a brush head and a soft rubber protective sleeve, the soft rubber protective sleeve is sleeved on the toothbrush body, the toothbrush body is covered by the soft rubber protective sleeve with soft texture, so that the toothbrush body with hard texture is prevented from directly contacting the inside of the oral cavity during tooth brushing, the discomfort and the problem of scratching the oral cavity caused by the contact between the toothbrush and the teeth in the prior art are solved, the brush head is detachably installed in the brush head part, the auxiliary replacement notch is arranged on the head cover part and the brush head part, the brush head can be pried out and replaced by inserting an elongated dismounting tool into the auxiliary replacement notch after being used for a period of time, the replacement process is convenient and fast, a new toothbrush does not need to be purchased, the structure is simple, the use is very convenient, and the use comfort of the user can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the toothbrush with replaceable brush head.

[0020] Figure 2 It is a detailed enlarged view of the brush head part of the toothbrush with replaceable brush head.

[0021] Figure 3 It is a split structural schematic view of the toothbrush with replaceable brush head.

[0022] Figure 4 It is a structural schematic view of the toothbrush with replaceable brush head.

[0023] Figure 5 It is a split structural schematic view of the toothbrush with replaceable brush head.

[0024] Figure 6Split structure schematic diagram of replaceable brush head toothbrush embodiment three.

[0025] Figure 7 Split structure schematic diagram of replaceable brush head toothbrush embodiment four.

[0026] Legend:

[0027] 1, toothbrush body; 101, brush head part; 102, brush handle part; 2, brush head; 201, bottom plate; 202, brush hair body; 203, buckle convex part; 3, soft rubber protective sleeve; 301, head cover part; 302, handle cover part; 303, bubble blocking wall; 304, waterproof sealing sleeve; 4, auxiliary replacement notch; 5, buckle convex; 6, connecting slot; 7, connecting rubber column; 8, lead-in inclined surface; 9, buckle groove. DETAILED DESCRIPTION

[0028] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0029] Embodiment one

[0030] As Figures 1 to 3 shown, the replaceable brush head toothbrush of the embodiment includes a toothbrush body 1, a brush head 2, and a soft rubber protective sleeve 3. The toothbrush body 1 has a brush head part 101 and a brush handle part 102. The soft rubber protective sleeve 3 has a head cover part 301 and a handle cover part 302. The brush head 2 is installed in the brush head part 101. The head cover part 301 covers the brush head part 101, and the handle cover part 302 at least partially covers the brush handle part 102. The head cover part 301 and the brush head part 101 are provided with an auxiliary replacement notch 4 for disassembling and replacing the brush head 2. The replaceable brush head toothbrush includes the toothbrush body 1, the brush head 2, and the soft rubber protective sleeve 3. The soft rubber protective sleeve 3 is sleeved on the toothbrush body 1. The purpose is to cover the toothbrush body 1 with a relatively hard texture with the soft rubber protective sleeve 3 with a relatively soft texture, so as to avoid direct contact between the toothbrush body 1 and the inside of the oral cavity during tooth brushing. This solves the problem of discomfort and damage to the oral cavity caused by the contact between the toothbrush and the teeth in the prior art. Meanwhile, the brush head 2 is detachably installed in the brush head part 101. The head cover part 301 and the brush head part 101 are provided with the auxiliary replacement notch 4. After the brush head 2 is used for a period of time, a slender dismounting tool can be inserted into the auxiliary replacement notch 4 to pry out the brush head 2 and replace it. The replacement process is convenient and fast, and there is no need to purchase a new toothbrush. The structure is simple, the use is very convenient, and the user's use comfort can be effectively improved.

[0031] Preferably, the brush head 2 comprises a bottom plate 201 and a bristle body 202, and the inner periphery of the side wall of the brush head portion 101 is provided with a plurality of sets of buckle protrusions 5 for buckling with the bottom plate 201. In this embodiment, the buckle protrusions 5 are arranged on both sides of the brush head portion 101, and the buckle protrusions 5 have inclined surfaces that gradually incline inward from top to bottom. When installing the brush head 2 in the brush head portion 101, the bottom plate 201 of the brush head 2 is simply placed above the brush head portion 101, and then the bottom plate 201 is pressed downward with force until the bottom plate 201 passes through the buckle protrusions 5, at which time the buckle protrusions 5 buckle with the bottom plate 201 to prevent the brush head 2 from being pulled out of the brush head portion 101, effectively improving the connection stability between the brush head 2 and the brush head portion 101, and avoiding accidental disengagement of the brush head 2 during tooth brushing by the user.

[0032] Preferably, the inner periphery of the side wall of the brush head portion 101 is provided with a plurality of sets of connection through grooves 6, and the inner periphery of the side wall of the head cover portion 301 is formed with a plurality of sets of connection glue columns 7 that are arranged in the connection through grooves 6. In this embodiment, the inner periphery of the side wall of the brush head portion 101 is provided with a plurality of sets of connection through grooves 6 that extend upward and downward, and the head cover portion 301 is integrally injection molded with the brush head portion 101 during production. Therefore, the inner periphery of the side wall of the head cover portion 301 is formed with a plurality of sets of connection glue columns 7 that are arranged in the connection through grooves 6, which can prevent the head cover portion 301 from sliding off the brush head portion 101, and effectively improve the connection stability between the head cover portion 301 and the brush head portion 101.

[0033] Preferably, the end of the handle cover portion 302 away from the head cover portion 301 is provided with a bubble blocking wall 303. During tooth brushing, the mixture of toothpaste foam and saliva will flow out of the oral cavity along the soft rubber protective sleeve 3, and when the foam flows to the bubble blocking wall 303, the foam will drip downward along the bubble blocking wall 303, thereby avoiding the foam from flowing onto the user's hand and improving the user's comfort during use.

[0034] In this embodiment, the toothbrush body 1 is a manual toothbrush.

[0035] As shown in Figure 2 In this embodiment, the auxiliary replacement slot 4 is arranged as a longitudinally extending slot, and an elongated rod-shaped disassembly tool can be inserted into the longitudinally extending slot. The bottom plate 201 is pried by the rod-shaped disassembly tool to disengage the buckle protrusions 5, so that the brush head 2 is removed from the brush head portion 101. The structure is simple, and the disassembly operation is convenient and fast.

[0036] Embodiment Two

[0037] As shown in Figure 4 and Figure 5 The toothbrush with a replaceable brush head provided in this embodiment has a structure basically consistent with that of Embodiment One, except that the toothbrush body 1 is an electric toothbrush head.

[0038] Preferably, a waterproof sealing sleeve 304 is provided on the side of the bubble-blocking wall 303 away from the head cover 301. Since the electric toothbrush is mainly composed of an electric toothbrush head and an electric toothbrush motor (not shown in the figure) that are detachably connected, by providing a waterproof sealing sleeve 304 on one side of the bubble-blocking wall 303, the waterproof sealing sleeve 304 can cover the gap between the electric toothbrush head and the electric toothbrush motor, which can prevent water from flowing into the electric toothbrush motor and help extend the service life of the electric toothbrush.

[0039] It should be noted that the structural difference between Embodiment 1 and Embodiment 2 is that in Embodiment 1, the toothbrush body 1 is a manual toothbrush, and the handle sleeve 302 partially covers the brush handle 102. In Embodiment 2, the toothbrush body 1 is an electric toothbrush head, and the handle sleeve 302 completely covers the electric toothbrush head. Furthermore, a waterproof sealing sleeve 304 is extended on the soft rubber protective sleeve 3 to cover the gap between the electric toothbrush head and the electric toothbrush motor.

[0040] Example 3

[0041] like Figure 6 As shown, the toothbrush with replaceable brush head provided in this embodiment has a structure that is basically the same as that in embodiment one, except that the auxiliary replacement groove 4 is set as a horizontally extending groove.

[0042] Preferably, the head cap 301 and the brush head 101 are provided with an inlet ramp 8 that connects to the transverse extension groove. When disassembling the brush head 2, the user can push the brush head 2 laterally so that the base plate 201 slides out of the brush head 101 along the transverse extension groove and the inlet ramp 8. When installing the brush head 2, the user also pushes the brush head 2 laterally so that the base plate 201 slides into the brush head 101 along the inlet ramp 8 and the transverse extension groove. The structure is simple and the installation and disassembly are convenient and quick.

[0043] It should be noted that the structural difference between Embodiment 1 and Embodiment 3 is that in Embodiment 1, the auxiliary replacement slot 4 is a longitudinally extending slot, and the installation and removal of the brush head 2 are carried out longitudinally on the brush head 101. In Embodiment 3, the auxiliary replacement slot 4 is set as a transversely extending slot, and the installation and removal of the brush head 2 are carried out transversely on the brush head 101.

[0044] Example 4

[0045] like Figure 7As shown, the toothbrush with replaceable brush head provided by the embodiment has a structure basically consistent with that of the first embodiment, but differs from the first embodiment in that the outer periphery of the bottom plate 201 is provided with a plurality of groups of buckle protrusions 203, and the inner periphery of the side wall of the brush head part 101 is provided with a plurality of groups of buckle grooves 9 for buckling cooperation with the buckle protrusions 203. In the embodiment, the two sides of the bottom plate 201 are respectively outwardly protruded to form the buckle protrusions 203, the buckle protrusions 203 have inclined surfaces gradually inclined inward from top to bottom, and the inner periphery of the side wall of the brush head part 101 is provided with the buckle grooves 9. When the brush head 2 is installed in the brush head part 101, the bottom plate 201 of the brush head 2 is only needed to be placed above the brush head part 101, and then the bottom plate 201 is pressed downward with force until the buckle protrusions 203 on the bottom plate 201 are buckled into the buckle grooves 9, at this time, the buckle protrusions 203 and the buckle grooves 9 are buckled in cooperation, preventing the brush head 2 from being taken out of the brush head part 101.

[0046] It should be noted that the structural difference between the first embodiment and the fourth embodiment is that in the first embodiment, the brush head part 101 makes the brush head 2 buckled and fixed in the brush head part 101 through the buckle protrusions 5 thereon, and in the fourth embodiment, the bottom plate 201 makes the brush head 2 buckled and fixed in the brush head part 101 through the buckle protrusions 203 thereon and the buckle grooves 9 on the brush head part 101.

[0047] The preferred embodiments of the utility model have been described above, the protection scope of the utility model is not only limited to the above-mentioned embodiments. For the person skilled in the art, the improvements and changes obtained without departing from the technical concept of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A replaceable brush head toothbrush characterized by, The toothbrush includes a toothbrush body (1), a brush head (2) and a soft rubber protective sleeve (3), the toothbrush body (1) has a brush head part (101) and a brush handle part (102), the soft rubber protective sleeve (3) has a head sleeve part (301) and a handle sleeve part (302), the brush head (2) is installed in the brush head part (101), the head sleeve part (301) covers the brush head part (101), the handle sleeve part (302) at least partially covers the brush handle part (102), and the head sleeve part (301) and the brush head part (101) are provided with an auxiliary replacement notch (4) for disassembling and replacing the brush head (2).

2. A replaceable brush head toothbrush according to claim 1, wherein, The brush head (2) includes a bottom plate (201) and a brush hair body (202), and the inner periphery of the side wall of the brush head part (101) is provided with a plurality of groups of buckle protrusions (5) for buckle cooperation with the bottom plate (201).

3. A replaceable brush head toothbrush according to claim 2, wherein, The inner periphery of the side wall of the brush head part (101) is provided with a plurality of groups of connecting through grooves (6), and the inner periphery of the side wall of the head sleeve part (301) is formed with a plurality of groups of connecting rubber columns (7) penetrating in the connecting through grooves (6).

4. A replaceable brush head toothbrush according to claim 3, wherein, The handle sleeve part (302) is provided with a bubble blocking wall (303) away from the head sleeve part (301).

5. A replaceable brush head toothbrush according to claim 4, wherein, The toothbrush body (1) is a manual toothbrush.

6. A replaceable brush head toothbrush according to claim 4, wherein, The toothbrush body (1) is an electric toothbrush head.

7. A replaceable brush head toothbrush according to claim 6, wherein, The bubble blocking wall (303) is provided with a waterproof sealing sleeve (304) extending away from the head sleeve part (301) on one side.

8. A replaceable brush head toothbrush according to claim 4, wherein, The auxiliary replacement notch (4) is a longitudinally extending notch.

9. A replaceable brush head toothbrush according to claim 4, wherein, The auxiliary replacement notch (4) is a transversely extending notch, and the head sleeve part (301) and the brush head part (101) are provided with an introduction inclined surface (8) connected with the transversely extending notch.

10. The replaceable brush head toothbrush according to claim 1, wherein, The brush head (2) includes a bottom plate (201) and a brush hair body (202), the outer periphery of the bottom plate (201) is provided with a plurality of groups of buckle convex parts (203), and the inner periphery of the side wall of the brush head part (101) is provided with a plurality of groups of buckle grooves (9) for buckle cooperation with the buckle convex parts (203).

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