CN217722910U - Multipurpose interdental brush with replaceable brush head - Google Patents

Abstract

The utility model discloses a multi-purpose interdental brush with a replaceable brush head, relating to the technical field of tooth tools. The toothbrush comprises a toothbrush head, a toothbrush handle, an adapter part and a rotation limiting component, wherein the toothbrush handle comprises a long handle and a short handle which have the same diameter, and the toothbrush head is detachably connected with the adapter part; a rotation limiting component is arranged between the switching part and the brush handle and is used for adjusting the rotation angle of the brush head; the long handle is also provided with a cavity for accommodating the brush head and the adapter part; a hanging ring is arranged between the long handle and the short handle; the brush handle is also provided with a brush cap. The utility model discloses environmental protection health, the function is various, can effectively solve the problem that the interdental brush is clean thoroughly, carry inconvenience, be difficult to satisfy different user demands.

Description

Multipurpose interdental brush with replaceable brush head

Technical Field

The utility model relates to the technical field of tooth tools, in particular to an interdental brush.

Background

Due to the age increase and the complication of eating habits, the gum atrophy and the tooth gaps are easy to be caused, and the problem that food remains in the gaps between teeth and is difficult to clean by self frequently occurs. Many people can choose the mode of picking teeth with toothpicks, but the toothpicks only have the function of removing partial dental debris, and have no cleaning effect on foreign matters and dental calculus among teeth, behind teeth and in the deep oral cavity, and because the tail ends of the toothpicks are in a smooth and hard pointed shape, the toothpicks do not have the massage effect on the gum, but can damage the gum tissue.

To this kind of condition, various interdental brushes have appeared in the market, and the interdental brush can make up the not enough of toothpick, can stretch into the slit between the teeth and the oral cavity depths, clears away the oral cavity foreign matter, maintains the cleanness between tooth and gum, and it is a slender pole, and one end is the brush head of being made by macromolecular material fibre winding metal material connector, and the other end is the brush holder that is used for holding. However, interdental brushes also have some problems during use:

1. the brush head and the brush handle are integrated, so that different use requirements are difficult to meet. The brush head is too thick and easy to cause gingival bleeding, and the brush head is too thin and difficult to catch up foreign matters in the tooth gaps, so people with different tooth gap sizes, different tooth conditions and different age stages need to be matched with interdental brushes with brush heads with different thicknesses. The traditional brush head and brush handle are integrally designed, so that the brush head is damaged, or when the interdental brush with the brush heads with different thicknesses is required to be replaced, the whole interdental brush needs to be replaced, resources are wasted, and the toothbrush is not environment-friendly. Therefore, the design of the interdental brush with the replaceable brush head is necessary, and the interdental brush can meet the use requirements of people on brush heads with different thicknesses. 2. The brush head is of an inflexible design and is difficult to operate. When the slit to be cleaned is positioned at the deep part of the oral cavity, on one hand, the brush head is inserted into the proper position of the slit, the foreign matter aligned with the slit is not easy to be operated by feeling, and the brush head can easily stab the gum; on the other hand, the utility model is affected by the lip mouth,

the direction of the brush head is not easy to control, the time and the labor are wasted when food residues are hooked out, and the brush head is difficult to clean thoroughly. Therefore, the design of the interdental brush with the bendable brush head and multi-angle adjustment is an urgent problem to be solved to thoroughly clean each angle of the oral cavity without dead angles. 3. Is inconvenient to carry and is difficult to ensure safety and sanitation. With the normalization of travel, the convenience of carrying is also a concern. The existing interdental brush is unsanitary and inconvenient to carry because the handle body is longer and the brush head is exposed. Therefore, the toothbrush is safe, sanitary and convenient to carry, and becomes a new idea for designers to improve the toothbrush.

In view of the above problems, there is a need to develop an integrated portable interdental brush which is multifunctional, safe and sanitary.

Disclosure of Invention

In order to overcome the problems of difficult meeting of different tooth space requirements, difficult operation, inconvenient carrying and the like in the prior art, the utility model provides a multifunctional portable interdental brush with a replaceable brush head. The brush head and the brush handle can be detachably connected and can be replaced at will according to the use requirement, thereby saving resources, protecting environment and saving energy. Meanwhile, the brush head can be bent at multiple angles to clean the teeth thoroughly in all directions. In addition, the length is adjustable, the hanging ring and the brush cap for protecting the brush head are designed, so that the brush is favorable for being carried outside, and is safe and sanitary. The purpose of the utility model is mainly realized by the following scheme:

a multi-purpose interdental brush with a replaceable brush head comprises a brush head and a brush handle, and is characterized by also comprising an adapter part and a rotation limiting component, wherein the brush handle comprises a long handle and a short handle with the same diameter, and the brush head is detachably connected with the adapter part; a rotation limiting component is arranged between the switching part and the brush handle and is used for adjusting the rotation angle of the brush head; the long handle is also provided with a cavity for accommodating the brush head and the adapter part; a hanging ring is arranged between the long handle and the short handle; the brush handle is also provided with a brush cap.

Furthermore, the brush head comprises bristles and a connecting part, and the connecting part is detachably connected to the switching part.

Furthermore, the cross section of the connecting part is a regular polygon, a clamping groove matched with the shape of the connecting part is formed in the switching part, and the detachable connection is realized through insertion.

Furthermore, connecting portion set up the external screw thread, switching portion sets up the internal thread, realizes dismantling the connection through the screw thread.

Furthermore, the switching portion sequentially comprises a rod body, a circular sheet and a handle from top to bottom, and a hole is formed in the center of the circular sheet.

Further, rotatory spacing subassembly is including being located two square clamping pieces at long handle end and the round pin shaft hole at center, running through the round pin axle of square clamping piece and circular piece and top tight nut, the round pin axle includes pole portion and screw thread tip, the screw thread tip with top tight nut looks adaptation.

Furthermore, the cross section of the rod part is circular and is matched with the hole and the pin shaft hole.

Furthermore, the cross section of the rod part is a regular polygon and is matched with the hole and the pin shaft hole.

Further, the thickness of the circular piece is equal to the distance between the two square clamping pieces.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the brush hair can be replaced to meet different use requirements. The brush head is connected in the switching portion through a plug-in mode or a threaded mode, and can be selectively replaced according to the oral cavity conditions by detachably arranging the brush head with bristles with different end diameters, different requirements can be met by one interdental brush simultaneously, the brush handle does not need to be replaced, the resource waste is reduced, and the living cost is reduced simultaneously.

2. The brush head can be bent to clean completely. The rotary shaft is connected between the switching part and the brush handle, so that multi-angle adjustment can be performed, operation from each angle is performed, the moving range of the brush head is enlarged, and the all-round thorough cleaning of the oral cavity is realized.

3. Is convenient to carry, safe and sanitary. And (1) arranging a cavity. The design of cavity on the brush holder is convenient for the brush head and the accommodation and preservation of the switching part after the switching part is closed in a rotating way. And (2) setting the handle in a dual-function mode. When in use, the handle is sleeved at the tail end of the brush handle, so that the length of the brush handle can be prolonged, and the handle is more comfortable to hold; after use, the toothbrush cap is used as a brush cap to seal the switching part and the brush head in the cavity of the brush handle, thereby shortening the length of the interdental brush, ensuring that the integral volume is smaller and the toothbrush cap is convenient to carry, avoiding the contact pollution of the brush hair of the brush head in the carrying process, and being clean and sanitary. And (3) multifunctional design of the suspension loop. The circular hanging ring on the brush handle is designed, so that the brush handle has a supporting point for fingers, slipping and rotating are avoided, tooth brushing is more labor-saving and efficient, and the brush handle is not easy to roll and drop when being horizontally placed; on the other hand, the hanging ring is beneficial to timely cleaning, drying and storage of the brush head, the interdental brush is used for a period of time, the brush head needs to be cleaned in order to avoid breeding bacteria, and after cleaning is finished, the whole interdental brush is hung, drained and dried by the hanging ring on the brush handle; meanwhile, when the user goes on a business trip or travels, the whole interdental brush can be hung on the key ring through the hanging ring, so that the toothbrush is convenient to carry outside.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged cross-sectional view of a junction in a plug-in mode;

FIG. 3 is a schematic view of an extension handle;

FIG. 4 is an exploded view of A in FIG. 3;

FIG. 5 is a top view of A in FIG. 3;

FIG. 6 is a schematic view of an interdental brush with a brush head rotated at different angles;

FIG. 7 is a schematic view of the connection of the brush head and the adapter portion by threads;

FIG. 8 is an exploded view of the rotation limiting assembly corresponding to a pin having a cross-section of the shaft that is a regular polygon;

FIG. 9 is a schematic view of a brush cap;

in the figure:

1 brush head;

11 brush hairs; 12 a connecting part;

2, a switching part;

21 a rod body; 211 a scale pointer; 22 circular pieces; 23 holes; 24 a handle;

3, rotating a limiting component;

31 a square clip; 311 a dial; 32 pin shaft holes; 33, a pin shaft; 331 a stem portion; 332 a threaded end portion; 333 tightening the nut;

4, a cavity;

5, a brush handle;

51 long handle; 52 a short handle;

6, hanging a ring;

7 brush cap (extended handle).

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings and embodiments.

The first embodiment is as follows:

as shown in fig. 1, a multipurpose interdental brush with a replaceable brush head comprises a brush head 1 and a brush handle 5, and is characterized by further comprising an adapter part 2 and a rotation limiting component 3, wherein the brush handle 5 comprises a long handle 51 and a short handle 52 with the same diameter, and the brush head 1 is detachably connected with the adapter part 2; a rotation limiting component 3 is arranged between the adapter part 2 and the brush handle 5 and is used for adjusting the rotation angle of the brush head 1; the long handle 51 is also provided with a cavity 4 for accommodating the brush head 1 and the adapter part 2; a hanging ring 6 is arranged between the long handle 51 and the short handle 52; a brush cap 7 is also arranged on the brush handle 5.

Further, the brush head 1 comprises bristles 11 and a connecting part 12, and the connecting part 12 is detachably connected to the adapter part 2. In this embodiment, 0.6-1.2mm, 0.8-1.4mm, 1.0-1.6mm,3 kinds of bristles 11 with different end diameters are selected for people of different age stages and different tooth structures.

As shown in fig. 2, the cross section of the connecting portion 12 is a regular polygon, in this embodiment, a regular hexagon design is adopted, and a fastening groove matched with the shape of the connecting portion 12 is formed in the interior of the adapter portion 2, so that the direction of the brush head 1 is better controlled by fastening among the edges, and the brush head is ensured not to rotate in the stress process; and connecting portion 12 outer wall sets up soft rubber material's joint arch, and the frictional force of the connecting portion 12 of increase brush head 1 and the 2 inner walls of switching portion for the linkage effect of brush head 1 and switching portion 2 is better, and brush head 1 is difficult for droing, not hard up, and this kind of movable connection mode installation is more convenient with the dismantlement.

Further, as shown in fig. 4-5, the adaptor portion 2 sequentially includes a rod body 21, a circular plate 22 and a handle 24 from top to bottom, and a hole 23 is formed in the center of the circular plate 22.

Further, the rotation limiting component 3 includes two square clamping pieces 31 located at the end of the long handle 51 and a pin shaft hole 32 at the center thereof, a pin shaft 33 penetrating through the square clamping pieces 31 and the circular piece 22 and a tightening nut 333 thereof, the pin shaft 33 includes a rod portion 331 and a threaded end portion 332, and the threaded end portion 332 is matched with the tightening nut 333.

Further, the cross section of the rod 331 is circular and is matched with the hole 23 and the pin shaft hole 32. The area of the circular piece 22 is designed to be larger as much as possible, and the contact area with the square clamping piece 31 is increased, so that the friction force is increased, and the connection between the switching part 2 and the brush handle 5 is firmer; the square clamping piece 31, the brush handle 5, the round piece 22 and the switching part 2 are all designed into a whole and made of molded plastic, and the rigidity of the square clamping piece is enough to fix the brush head 1 and the square clamping piece is not loosened; the round piece 22 is arranged between the two square clamping pieces 31, the pin shaft 33 penetrates through the pin shaft hole 32 corresponding to the square clamping piece 31 and one side of the round hole 23 corresponding to the round piece 22, and the other side of the pin shaft is fixed through the jacking nut 333; the pin shaft 33 is a rotating shaft and a fastening shaft, and the rotating angle is free and unlimited and can be rotated to any angle according to actual requirements; as shown in fig. 6, the outer surface of the square clip 31 is provided with a dial 311 which can indicate the rotation angle of the brush head 1, and the central axis of the outer surface of the adapter 2 is provided with a corresponding scale pointer 211 which can assist a user to find the best angle and memorize the best angle, thereby avoiding troubles caused by repeated adjustment; the length of the shaft pin 33 is smaller than the diameter of the brush handle 5, so that the brush cap 7 can pass through and be sleeved. When in use, the jacking nut 333 is loosened, and the brush head 1 is adjusted to a corresponding angle and fixed.

Furthermore, the circular piece 22 is arranged between the two square clamping pieces 31, and the thickness of the circular piece 22 is equal to the distance between the two square clamping pieces 31, so that the circular piece is tightly attached to the inner walls of the two square clamping pieces 31, and the interdental brush is always fixed at the same position and does not move when in use.

The second embodiment:

as shown in fig. 7, the difference from the first embodiment is that the connection portion 12 is provided with an external thread, and the adapter portion 2 is provided with an internal thread, so that the connection is more stable through the threads.

Example three:

as shown in fig. 8, the difference from the first embodiment is that the cross section of the shaft 331 is a regular polygon and fits with the hole 23 and the pin shaft hole 32. In the embodiment, a regular hexagon is adopted, a regular hexagon pin shaft hole 32 is arranged at the center of a square clamping piece 31, and a regular hexagon hole 23 is arranged at the center of a circular piece 22 and is used for inserting a pin shaft 33 with the same cross section; when the clamping device is used, the jacking nut 333 is loosened, the pin shaft 33 is pulled out, due to the existence of friction force between the circular piece 22 and the two square clamping pieces 31, the circular piece 22 is tightly attached to the inner walls of the two square clamping pieces 31 and can rotate and move, the direction of the hexagonal pin shaft hole 32 in the center of the circular piece 31 is adjusted to a corresponding angle, the pin shaft 33 passes through the pin shaft hole 32 corresponding to the square clamping piece 31 and the circular hole 23 corresponding to the circular piece 22, and the end part of the pin shaft 33 can be fixed through the jacking nut 333 to avoid falling off; the direction of the brush head 1 is fixed through the clamping among the edges, so that the brush head does not rotate in the stress process, and the fixing mode has better stability; the pin 33 is only a rotating shaft, and the rotating angle is determined by the central angle of the polygon, and in the embodiment, the pin can rotate by 60 degrees each time, and the more the sides are, the finer the rotating angle is, and the number of the sides of the polygon can be set as required.

Example four:

as shown in figure 3, when the toothbrush is used as an extension handle 7, the toothbrush is sleeved at the tail end of a short handle 52, a connecting part 12 of a toothbrush head 1 is connected to an adapter part 2, a jacking nut 333 at one side of a pin shaft 33 is loosened, the toothbrush head 1 is rotated to a required angle by holding a handle 24, the jacking nut 333 is screwed, the toothbrush head 1 is fixed at a corresponding angle, the extension handle 7 is held by holding, a thumb abuts against the position of a hanging ring 6 to serve as a supporting point, the toothbrush head 1 enters into slits of teeth, food residues are removed, the toothbrush can be brushed back and forth, and tartar and the like can be deeply cleaned.

Example five:

when the toothbrush is used as the brush cap 7, as shown in fig. 9, the nut 333 is tightened on the side of the pin 33, the handle 24 is held by hand to rotate the brush head 1 and the adapter 2 side to close the cavity 4 of the long handle 51, and the extension handle 7 is removed from the short handle 52 side and sealed on the end of the handle 24.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. A multi-purpose interdental brush with a replaceable brush head comprises a brush head (1), a brush handle (5), and is characterized by also comprising a switching part (2) and a rotation limiting component (3), wherein the brush handle (5) comprises a long handle (51) and a short handle (52) with the same diameter,

the brush head (1) is detachably connected with the switching part (2);

a rotation limiting component (3) is arranged between the switching part (2) and the brush handle (5) and is used for adjusting the rotation angle of the brush head (1);

the long handle (51) is also provided with a cavity (4) for accommodating the brush head (1) and the adapter part (2);

a hanging ring (6) is arranged between the long handle (51) and the short handle (52);

a brush cap (7) is also arranged on the brush handle (5).

2. Multipurpose interdental brush according to claim 1, characterised in that the head (1) comprises bristles (11) and a connecting portion (12), the connecting portion (12) being removably connected to the adaptor portion (2).

3. The multipurpose interdental brush with the replaceable brush head as claimed in claim 2, wherein the cross section of the connecting portion (12) is a regular polygon, and a clamping groove matched with the shape of the connecting portion (12) is formed in the inside of the adapter portion (2), so that the detachable connection is realized through insertion.

4. The multipurpose interdental brush with a replaceable brush head according to claim 2, wherein the connecting portion (12) is provided with an external thread and the adaptor portion (2) is provided with an internal thread, and the detachable connection is realized by the thread.

5. The multipurpose interdental brush with the replaceable brush head according to claim 2, wherein the adaptor portion (2) comprises a rod body (21), a circular sheet (22) and a handle (24) in sequence from top to bottom, and a hole (23) is formed in the center of the circular sheet (22).

6. The multipurpose interdental brush with the replaceable brush head according to claim 5, wherein the rotation limiting component (3) comprises two square clamping pieces (31) at the end of the long handle (51) and a pin shaft hole (32) at the center thereof, a pin shaft (33) penetrating through the square clamping pieces (31) and the circular piece (22) and a puller nut (333) thereof, the pin shaft (33) comprises a rod part (331) and a threaded end part (332), and the threaded end part (332) is matched with the puller nut (333).

7. The multipurpose interdental brush with a replaceable head as claimed in claim 6, wherein said shaft portion (331) has a circular cross-section and is fitted with said hole (23) and said pin hole (32).

8. The multipurpose interdental brush with a replaceable head as claimed in claim 6, wherein the shaft portion (331) has a cross section of a regular polygon and is fitted with the hole (23) and the pin shaft hole (32).

9. Multipurpose interdental brush according to claim 6, characterised in that the thickness of the circular plate (22) is equal to the distance between the two square jaws (31).

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