Toothbrush with replaceable brush head

Abstract

The utility model relates to the field of toothbrushes, in particular to a toothbrush with a replaceable brush head, which comprises a toothbrush handle, one end of the toothbrush handle is provided with a toothbrush fixing block, one end of the toothbrush fixing block far away from the toothbrush handle is provided with a clamping cavity, and the middle part in the clamping cavity is provided with a limiting bump; a brush head body is connected into the clamping cavity through a limiting protruding block. The toothbrush fixing block is located on one side of the clamping cavity, a limiting fixing arc block is arranged on one side of the brush head body, and the limiting fixing arc block and the toothbrush fixing block are connected through a fixing bolt. According to the toothbrush, the toothbrush head body can be conveniently limited and fixed through the toothbrush fixing block and the limiting and fixing arc block, meanwhile, the stability of the toothbrush head body after installation is guaranteed, meanwhile, the toothbrush head body can be conveniently disassembled and replaced after being used for a period of time, and the disassembly and assembly process is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of toothbrushes, in particular to a toothbrush with a replaceable brush head. Background Art

[0002] A toothbrush is the most commonly used cleaning product for people to clean their teeth and oral cavity. A toothbrush usually includes a handle and a brush head. The brush head is fixed with bristles, and the teeth are cleaned by reciprocating friction between the bristles and the surface of the teeth. In the prior art, the handle and the brush head of a toothbrush are usually formed in one piece. After a period of use, the bristles are easily bent or fall off. At this time, the entire toothbrush needs to be replaced. However, the handle is not broken at this time. Replacing the entire toothbrush not only greatly reduces the service life of the toothbrush, but also wastes resources. Utility Model Content

[0003] The utility model aims to solve the shortcomings of the prior art and provides a toothbrush with a replaceable brush head.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A toothbrush with a replaceable brush head, comprising a toothbrush handle, a toothbrush fixing block is installed at one end of the toothbrush handle, a clamping cavity is opened at one end of the toothbrush fixing block away from the toothbrush handle, a limiting protrusion is installed in the middle of the clamping cavity, and a brush head body is connected to the clamping cavity through the limiting protrusion;

[0006] The toothbrush fixing block is located at one side of the clamping cavity and a limited position fixing arc block is arranged at one side of the brush head body, and the limited position fixing arc block and the toothbrush fixing block are connected by fixing bolts.

[0007] In addition, the preferred structure is that a first locking protrusion is installed in the upper middle part of both sides of the limiting fixed arc block, and a second locking protrusion is installed on both sides of the limiting fixed arc block below the first locking protrusion, and a plurality of third locking protrusions are installed at equal distances in the middle of one side of the limiting fixed arc block close to the locking cavity.

[0008] In addition, a preferred structure is that a first clamping groove is provided at the first clamping protrusion in the toothbrush fixing block, a second clamping groove is provided at the second clamping protrusion in the toothbrush fixing block, and a through hole is provided in the lower middle part of both sides of the clamping cavity of the toothbrush fixing block.

[0009] In addition, a preferred structure is that three limiting fixing plates are installed at equal distances on the bottom of the limiting fixing arc block, and mounting holes are opened in the middle of the limiting fixing plates.

[0010] In addition, a preferred structure is that a slide groove is adapted to be opened at the limit fixing plate at one end of the toothbrush fixing block away from the toothbrush handle, and a flexible sealing plug is adapted to be provided in the slide groove.

[0011] In addition, a preferred structure is that the brush head body includes a fixed base plate and bristles, a plurality of bristles are equidistantly connected to the middle of the top of the fixed base plate, and one side of the fixed base plate is located at a third clamping protrusion adapted to be clamped with a third clamping groove, and the bottom of the other side of the fixed bottom is located at a limiting protrusion adapted to be provided with a limiting slide groove.

[0012] The beneficial effects of the utility model are:

[0013] In the utility model, the toothbrush fixing block and the limiting fixing arc block are used to facilitate the limiting fixing of the brush head body, while ensuring the stability of the brush head body after installation. At the same time, the brush head body can be easily disassembled and replaced after being used for a period of time, and the disassembly and assembly process is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of a toothbrush with a replaceable brush head proposed by the utility model;

[0015] Figure 2 The schematic diagram of the structure of the brush head body, toothbrush fixing block and limit fixing arc block proposed in the utility model is shown as follows Figure 1 ;

[0016] Figure 3 The schematic diagram of the structure of the brush head body, toothbrush fixing block and limit fixing arc block proposed in the utility model is shown as follows Figure 2 ;

[0017] Figure 4 This is a schematic structural diagram of the cross section of the toothbrush fixing block proposed by the utility model.

[0018] In the figure: 1. toothbrush handle; 11. toothbrush fixing block; 111. clamping cavity; 112. limiting protrusion; 2. brush head body; 3. limiting fixing arc block; 31. first clamping protrusion; 32. second clamping protrusion; 33. third clamping protrusion; 34. limiting fixing plate; 4. flexible sealing plug. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-4A toothbrush with a replaceable brush head comprises a toothbrush handle 1, a toothbrush fixing block 11 is installed at one end of the toothbrush handle 1, a clamping cavity 111 is opened at the end of the toothbrush fixing block 11 away from the toothbrush handle 1, a limiting protrusion 112 is installed in the middle of the clamping cavity 111, and a brush head body 2 is connected to the clamping cavity 111 through the limiting protrusion 112.

[0021] At the same time, the toothbrush fixing block 11 is located on one side of the clamping cavity 111 and a limited fixed arc block 3 is arranged on one side of the brush head body 2, and the limited fixed arc block 3 and the toothbrush fixing block 11 are connected by fixing bolts.

[0022] In addition, a first locking protrusion 31 is installed in the upper middle part of both sides of the limiting and fixing arc block 3, and a second locking protrusion 32 is installed on both sides of the limiting and fixing arc block 3 below the first locking protrusion 31, and a plurality of third locking protrusions 33 are installed at equal distances in the middle of one side of the limiting and fixing arc block 3 close to the locking cavity 111.

[0023] A first clamping groove is provided at the first clamping protrusion 31 in the toothbrush fixing block 11, a second clamping groove is provided at the second clamping protrusion 32 in the toothbrush fixing block 11, and a through hole is provided in the lower middle of both sides of the clamping cavity 111 of the toothbrush fixing block 11.

[0024] Furthermore, three limiting fixing plates 34 are installed at equal distances at the bottom of the limiting fixing arc block 3 , and mounting holes are opened in the middle of the limiting fixing plates 34 .

[0025] The end of the toothbrush fixing block 11 away from the toothbrush handle 1 is adapted to be provided with a slide groove at the limit fixing plate 34, and a flexible sealing plug 4 is adapted to be provided in the slide groove. The flexible sealing plug 4 is convenient for hiding the fixing bolt and the fixed limit plate to avoid scratches to the user during use of the toothbrush.

[0026] At the same time, the brush head body 2 includes a fixed base plate and bristles. A plurality of bristles are equidistantly connected in the middle of the top of the fixed base plate, and a third clamping groove is adapted to be provided at the third clamping protrusion 33 on one side of the fixed base plate, and a limiting slide groove is adapted to be provided at the limiting protrusion 112 on the bottom of the other side of the fixed bottom, and a through hole is provided in the toothbrush fixing block 11 at the bristles. It is worth noting that the specific structures of the brush head body 2, bristles, and toothbrush handle 1 are all prior arts, and do not belong to the main technical problems to be solved in this technical solution, so they will not be elaborated in the present utility model.

[0027] In this embodiment, the brush head body 2 is aligned with the clamping cavity 111 of the toothbrush fixing block 11, and the limiting slide groove of the brush head body 2 is aligned with the limiting protrusion 112, and the brush head body 2 and the toothbrush fixing block 11 are clamped.

[0028] Then, align the limit fixing arc block 3 with its toothbrush fixing block 11, and align its third clamping protrusion 33 with the third clamping groove of its brush head body 2, and at the same time, align the first clamping protrusion 31 and the second clamping protrusion 32 with their first clamping groove and the second clamping groove respectively, and then slide the limit fixing arc block toward the toothbrush fixing block 11, and slide the limit fixing plate 34 of the limit fixing arc block 3 into its slide groove. When the limit fixing arc block 3 can no longer slide, its first clamping protrusion 31 and the second clamping protrusion 32 are respectively clamped into the first clamping groove and the second clamping groove, and the third The locking protrusion 33 is locked into the third locking groove of the brush head body 2, and then the fixing bolt is aligned with the mounting hole of its limiting fixing plate 34 and driven in, thereby connecting the limiting fixing arc block 3 with the toothbrush fixing block 11, and the flexible sealing plug 4 is aligned with its slide groove and locked, and is locked to the outside of the corresponding limiting fixing arc block 3 and the fixing bolt, thereby completing the installation of the toothbrush and completing the limiting fixation of the brush head body 2, while ensuring the stability of the brush head body 2 after installation, and at the same time, it is convenient to disassemble and replace the brush head body 2 after using it for a period of time, and the disassembly and assembly process is convenient.

[0029] In the utility model, the toothbrush fixing block 11 and the limiting fixing arc block 3 are used to facilitate the limiting fixing of the brush head body 2, while ensuring the stability of the brush head body 2 after installation. At the same time, the brush head body 2 can be easily disassembled and replaced after being used for a period of time, and the disassembly and assembly process is convenient.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A toothbrush with a replaceable brush head, comprising a toothbrush handle (1), characterized in that: A toothbrush fixing block (11) is installed at one end of the toothbrush handle (1); a clamping cavity (111) is provided at one end of the toothbrush fixing block (11) away from the toothbrush handle (1); a limiting protrusion (112) is installed in the middle of the clamping cavity (111); and a brush head body (2) is connected to the clamping cavity (111) via the limiting protrusion (112); The toothbrush fixing block (11) is located on one side of the clamping cavity (111) and a limited position fixing arc block (3) is provided on one side of the brush head body (2), and the limited position fixing arc block (3) and the toothbrush fixing block (11) are connected by fixing bolts.

2. A toothbrush with a replaceable brush head according to claim 1, characterized in that: A first locking protrusion (31) is installed at the upper middle of both sides of the position-limiting fixed arc block (3), and a second locking protrusion (32) is installed at both sides of the position-limiting fixed arc block (3) below the first locking protrusion (31), and a plurality of third locking protrusions (33) are installed at equal distances in the middle of one side of the position-limiting fixed arc block (3) close to the locking cavity (111).

3. A toothbrush with a replaceable brush head according to claim 1, characterized in that: A first locking groove is provided in the toothbrush fixing block (11) at the first locking protrusion (31), a second locking groove is provided in the toothbrush fixing block (11) at the second locking protrusion (32), and a through hole is provided in the middle and lower part of both sides of the locking cavity (111) of the toothbrush fixing block (111).

4. A toothbrush with a replaceable brush head according to claim 2, characterized in that: Three limiting fixing plates (34) are installed at equal distances at the bottom of the limiting fixing arc block (3), and mounting holes are provided in the middle of the limiting fixing plates (34).

5. A toothbrush with a replaceable brush head according to claim 1, characterized in that: The end of the toothbrush fixing block (11) away from the toothbrush handle (1) is adapted to be provided with a slide groove at the position of the limiting fixing plate (34), and a flexible sealing plug (4) is adapted to be provided in the slide groove.

6. A toothbrush with a replaceable brush head according to claim 1, characterized in that: The brush head body (2) comprises a fixed bottom plate and bristles, a plurality of bristles are connected at equal distances in the middle of the top of the fixed bottom plate, and a third clamping groove is adapted to be clamped at a third clamping protrusion (33) on one side of the fixed bottom plate, and a limiting sliding groove is adapted to be provided at a limiting protrusion (112) on the bottom of the other side of the fixed bottom.

Images