Plug-in type toothbrush
By designing a detachable plug-in toothbrush, the waste of resources and domestic waste caused by toothbrush replacement is solved, and the rapid replacement of brush heads and long-term reuse of brush handles is achieved, reducing living and operating costs.
Patent Information
- Application Number
- CN202420244325.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-01-31
AI Technical Summary
The existing toothbrush replacement method has led to waste of resources and increased domestic waste, and has increased living expenses or hotel operating costs.
A plug-in toothbrush is designed, using a split brush handle and brush head. The brush handle and brush head can be detached and fixed. Just replace the brush head, and the brush handle can be reused for a long time.
By simply changing the brush head without changing the entire toothbrush, the amount of resource waste and domestic waste is reduced while reducing living expenses or hotel operating costs.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the field of toothbrushes, in particular to a plug-in toothbrush. Background Art
[0002] Toothbrushes are important daily necessities. Correct brushing can remove plaque from the tooth surface and keep the oral cavity clean and hygienic. With the rapid development of science and technology and medicine, people's living standards have been greatly improved, and the awareness of preventive health care has been continuously improved. People are also paying more and more attention to oral self-care. Therefore, people have higher and higher requirements for toothbrushes. They regularly replace new toothbrushes on a monthly basis, or use disposable convenient toothbrushes provided by hotels when traveling or in hotels. In the above scenarios, people replace the entire toothbrush, which has the disadvantage that replacing the entire toothbrush causes a huge waste of resources, generates more domestic garbage, and increases people's living expenses or hotel operating costs. Utility Model Content
[0003] In order to solve one or more of the above problems, the utility model provides a plug-in toothbrush.
[0004] According to one aspect of the utility model, the plug-in toothbrush comprises: a brush head and a brush handle;
[0005] The lower surface of the brush head is provided with a plurality of bristles, and the brush head is provided with a receiving cavity with an open rear side, and the cavity walls on both sides of the receiving cavity are provided with longitudinal grooves for upper and lower limit and vertical grooves for left and right limit, the lower cavity wall of the receiving cavity is provided with a protruding positioning end, and the front cavity wall of the receiving cavity is provided with a convex column for front and rear limit;
[0006] A protruding insertion end is provided at the front end of the brush handle, and the outer contour and size of the insertion end match the inner contour and size of the accommodating cavity. The two side walls of the insertion end form longitudinal columns and the rear ends of the two side walls are provided with limit blocks. A concave positioning hole is provided at the front end of the lower surface of the insertion end, and the middle of the front side surface of the insertion end is concave to form a transverse positioning groove. The insertion end is horizontally inserted into the accommodating cavity, the longitudinal column moves horizontally along the longitudinal groove, the limit block enters the vertical groove, the convex column is inserted into the transverse positioning groove and the positioning end enters the positioning hole, thereby forming a three-way fixed plug-in toothbrush.
[0007] In some embodiments, the vertical groove is an arc groove, and the limiting block is a semicircular prism.
[0008] In some embodiments, the positioning end is a spherical segment-shaped protrusion, and the positioning hole is a circular arc groove.
[0009] In some embodiments, the protruding column is a triangular prism, and the transverse positioning groove is a triangular opening.
[0010] In some embodiments, the longitudinal grooves are rectangular grooves, and the longitudinal columns are rectangular columns.
[0011] In some embodiments, the lower groove wall of the longitudinal groove is flush with the lower cavity wall of the accommodating cavity, the two longitudinal grooves and the accommodating cavity form a convex groove, and the vertical groove runs through the upper surface of the longitudinal groove;
[0012] The lower surface of the longitudinal column is flush with the lower surface of the insertion end, and the lower surface of the limit block extends to the upper surface of the longitudinal column.
[0013] In some embodiments, the upper surface of the accommodating cavity is open, and the upper surface of the insertion end and the upper surface of the brush head are arranged flush.
[0014] In some embodiments, a rear end groove is further provided at the lower end of the rear side of the brush head, and the rear end groove has the same contour and size as the lower end of the front end of the brush handle, and the front end of the brush handle is inserted into the rear end groove.
[0015] In some embodiments, the rear end of the brush handle is further provided with a large-sized weight-reducing hole penetrating the upper and lower surfaces.
[0016] In some embodiments, the brush handle is made of plastic with a certain elasticity.
[0017] The plug-in toothbrush adopts a split brush handle and a brush head, and the brush handle and the brush head are detachably plugged and fixed. The brush head can be easily replaced by fixing the brush handle and applying force to the brush head, and the brush handle can be reused. Its beneficial effects are: first, when people replace toothbrushes, they only need to replace the brush head, and the brush handle can be reused for a long time, which greatly reduces resource waste, reduces the amount of domestic garbage, and reduces people's living expenses or hotel operating costs; second, the device adopts the matching of the lower positioning hole and the positioning end to improve the installation accuracy of the toothbrush; third, the vertical limit is performed by using the longitudinal column and the longitudinal groove that match each other, and the horizontal limit is performed by using the limiting block and the vertical groove that match each other; the longitudinal front and rear limit is performed by using the convex column and the horizontal positioning groove, the positioning hole and the positioning end that match each other, so as to realize the three-way fixation of the brush handle, ensure that the toothbrush is firmly fixed and will not be displaced or deformed after long-term use; fourth, the plug-in structure is easy for users to replace, and can be suitable for children, the elderly and the weak groups. The product has wide applicability and is convenient for widespread promotion. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A three-dimensional schematic diagram of a plug-in toothbrush according to one embodiment of the utility model;
[0019] Figure 2 for Figure 1 A partial enlarged schematic diagram of the plug-in toothbrush shown;
[0020] Figure 3 for Figure 1 A three-dimensional schematic diagram of the brush head shown;
[0021] Figure 4 for Figure 1 A three-dimensional schematic diagram of the brush handle shown (a);
[0022] Figure 5 for Figure 1 A three-dimensional schematic diagram of the brush handle shown (II);
[0023] Brush head 1, accommodating cavity 10, longitudinal groove 11, vertical groove 12, positioning end 13, protruding column 14, rear end groove 15;
[0024] Brush handle 2, insertion end 20, longitudinal column 21, limit block 22, positioning hole 23, transverse positioning groove 24, weight reduction hole 25, technical curved surface 26; bristles 3. DETAILED DESCRIPTION
[0025] The present invention is further described in detail below in conjunction with the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.
[0026] Figures 1 to 5 A plug-in toothbrush according to an embodiment of the present invention is schematically shown. As shown in the figure, the plug-in toothbrush comprises: a brush head 1 and a brush handle 2;
[0027] A plurality of bristles 3 are provided on the lower surface of the brush head 1, and the brush head 1 is provided with a receiving cavity 10 with an open rear side, and the cavity walls on both sides of the receiving cavity 10 are provided with longitudinal grooves 11 for upper and lower limit and vertical grooves 12 for left and right limit, and the lower cavity wall of the receiving cavity 10 is provided with a protruding positioning end 13, and the front cavity wall of the receiving cavity 10 is provided with a convex column 14 for front and rear limit;
[0028] A protruding insertion end 20 is provided at the front end of the brush handle 2, and the outer contour and size of the insertion end 20 match the inner contour and size of the accommodating cavity 10. The two side walls of the insertion end 20 form longitudinal columns 21 and the rear ends of the two side walls are provided with limit blocks 22. A concave positioning hole 23 is provided at the front end of the lower surface of the insertion end 20, and a transverse positioning groove 24 is formed by a concave middle portion of the front side surface of the insertion end 20. The insertion end 20 is horizontally inserted into the accommodating cavity 10, and the longitudinal column 21 moves horizontally along the longitudinal groove 11. The limit block 22 enters the vertical groove 12, the convex column 14 is inserted into the transverse positioning groove 24, and the positioning end 13 enters the positioning hole 23, thereby forming a three-way fixed plug-in toothbrush.
[0029] The plug-in toothbrush adopts a split brush handle 2 and a brush head 1, and the brush handle 2 and the brush head 1 are detachably plugged and fixed. The brush head 1 can be easily replaced by fixing the brush handle 2 and applying force to the brush head 1. The beneficial effects are: first, when people replace toothbrushes, they only need to replace the brush head 1, and the brush handle 2 can be reused for a long time, which greatly reduces resource waste, reduces the amount of domestic garbage, and reduces people's living expenses or hotel operating costs; second, the device adopts the matching of the lower positioning hole 23 and the positioning end 13, which improves the installation accuracy of the toothbrush; Thirdly, the longitudinal column 21 and the longitudinal groove 11 that cooperate with each other are used for vertical limiting, and the limiting block 22 and the vertical groove 12 that cooperate with each other are used for lateral limiting; the convex column 14 and the lateral positioning groove 24, the positioning hole 23 and the positioning end 13 that cooperate with each other are used for longitudinal front and rear limiting, thereby realizing the three-way fixation of the brush handle 2, ensuring that the toothbrush is firmly fixed and will not shift or deform during long-term use; fourthly, the plug-in structure is easy for users to replace, and can be suitable for children, the elderly and the weak groups. The product has a wide applicability and is convenient for widespread promotion.
[0030] Preferably, the vertical groove 12 is a circular arc groove, and the stopper 22 is a semicircular prism, and the contour dimensions of the circular arc groove and the semicircular prism are the same. The beneficial effect is that the vertical groove 12 and the stopper 22 can be inserted softly and gradually, effectively reducing the magnitude of the applied force.
[0031] Preferably, the positioning end 13 is a spherical protrusion, and the positioning hole 23 is a circular arc groove, and the contour dimensions of the spherical protrusion and the circular arc groove are the same. The beneficial effect is that the positioning end 13 and the positioning hole 23 can be inserted softly and gradually, effectively reducing the magnitude of the applied force.
[0032] Preferably, the protrusion 14 is a triangular prism, the transverse positioning groove 24 is a triangular opening, and the triangular prism and the triangular notch have the same outline size. The beneficial effect is that the triangular opening and the triangular prism are easy to process, have a good positioning effect, and are plugged in without resistance.
[0033] Preferably, the longitudinal groove 11 is a rectangular groove, and the longitudinal column 21 is a rectangular column, and the rectangular groove and the rectangular column have the same outline size. The beneficial effect is that the cooperation of the rectangular groove and the rectangular column has upper and lower, left and right limit, and plays a guiding function during installation.
[0034] Preferably, the lower groove wall of the longitudinal groove 11 is flush with the lower cavity wall of the accommodating cavity 10, the two longitudinal grooves 11 and the accommodating cavity 10 form a convex groove, and the vertical groove 12 passes through the upper surface of the longitudinal groove 11;
[0035] The lower surface of the longitudinal column 21 is flush with the lower surface of the insertion end 20, and the lower surface of the limiting block 22 extends to the upper surface of the longitudinal column 21. The beneficial effect is that the structure is easy to process and the limiting effect is more excellent.
[0036] Preferably, the upper surface of the accommodating cavity 10 is open, and the upper surface of the insertion end 20 is flush with the upper surface of the brush head 1. The beneficial effect is that the upper end open structure facilitates product processing.
[0037] Preferably, a rear end groove 15 is further provided at the lower end of the rear side of the brush head 1, and the rear end groove 15 has the same profile and size as the lower end of the front end of the brush handle 2, and the front end of the brush handle 2 is inserted into the rear end groove 15. The beneficial effect is that the rear end groove 15 further plays a role in limiting the rear end.
[0038] Preferably, the rear end of the brush handle 2 is also provided with a large-sized weight-reducing hole 25 penetrating the upper and lower surfaces; the beneficial effect is that the weight-reducing hole 25 reduces the use of materials, reduces the weight of the brush handle 2, and can also achieve an aesthetic effect.
[0039] The brush handle 2 is provided with a craft curved surface 26 which is convenient for human hands to hold. Its beneficial effect is that the craft curved surface 26 can play a better applicability and improve the comfort of the user.
[0040] Preferably, the brush handle 2 is made of plastic with a certain elasticity. The beneficial effect is that the selected material further reduces the difficulty of installation.
[0041] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.
Claims
1. A plug-in toothbrush, characterized in that: include: A brush head (1) and a brush handle (2); The lower surface of the brush head (1) is provided with a plurality of bristles (3), the brush head (1) is provided with a receiving cavity (10) with an open rear side, the cavity walls on both sides of the receiving cavity (10) are provided with longitudinal grooves (11) for upper and lower limiting positions and vertical grooves (12) for left and right limiting positions, the lower cavity wall of the receiving cavity (10) is provided with a protruding positioning end (13), and the front cavity wall of the receiving cavity (10) is provided with a convex column (14) for front and rear limiting positions; The front end of the brush handle (2) is provided with a protruding insertion end (20), the outer contour and size of the insertion end (20) match the inner contour and size of the accommodating cavity (10), the two side walls of the insertion end (20) form longitudinal columns (21), and the rear ends of the two side walls are provided with limit blocks (22), the front end of the lower surface of the insertion end (20) is provided with a concave positioning hole (23), the middle of the front side surface of the insertion end (20) is concave to form a transverse positioning groove (24), the insertion end (20) is horizontally inserted into the accommodating cavity (10), the longitudinal column (21) moves horizontally along the longitudinal groove (11), the limit block (22) enters the vertical groove (12), the convex column (14) is inserted into the transverse positioning groove (24), and the positioning end (13) enters the positioning hole (23), thereby forming a three-way fixed plug-in toothbrush.
2. A plug-in toothbrush according to claim 1, characterized in that: The vertical groove (12) is a circular arc groove, and the limit block (22) is a semicircular prism.
3. A plug-in toothbrush according to claim 1, characterized in that: The positioning end (13) is a spherical segment-shaped protrusion, and the positioning hole (23) is a circular arc groove.
4. A plug-in toothbrush according to claim 1, characterized in that: The convex column (14) is a triangular prism, and the transverse positioning groove (24) is a triangular opening.
5. A plug-in toothbrush according to claim 1, characterized in that: The longitudinal groove (11) is a rectangular groove, and the longitudinal column (21) is a rectangular column.
6. A plug-in toothbrush according to claim 5, characterized in that: The lower groove wall of the longitudinal groove (11) is flush with the lower cavity wall of the accommodating cavity (10), and the vertical groove (12) passes through the upper surface of the longitudinal groove (11); The lower surface of the longitudinal column (21) is flush with the lower surface of the insertion end (20), and the lower surface of the limit block (22) extends to the upper surface of the longitudinal column (21).
7. A plug-in toothbrush according to claim 1, characterized in that: The upper surface of the accommodating cavity (10) is open, and the upper surface of the insertion end (20) is flush with the upper surface of the brush head (1).
8. A plug-in toothbrush according to claim 1, characterized in that: The lower end of the rear side surface of the brush head (1) is also provided with a rear end groove (15), the rear end groove (15) and the lower end of the front end of the brush handle (2) have the same contour and size, and the front end of the brush handle (2) is inserted into the rear end groove (15).
9. A plug-in toothbrush according to claim 1, characterized in that: The rear end of the brush handle (2) is also provided with a large-sized weight-reducing hole (25) penetrating the upper and lower surfaces.
10. A plug-in toothbrush according to claim 1, characterized in that: The brush handle (2) is made of plastic with a certain elasticity.