CN107184288A - Tooth pick - Google Patents

Abstract

The invention provides a toothpick, which comprises a body rod and a soft rubber layer, wherein the body rod comprises a pointed end, a connecting section, a groove section and a handle section, and the groove section is circumferentially distributed along the length direction of the body rod; the soft glue layer comprises a pointed end coated with the pointed end and a brush hair section coated with the groove section along the circumferential direction of the length direction of the body rod, and the outer wall of the soft glue layer and the exposed outer wall of the body rod form an integrated smooth outer wall. The toothpick of the invention combines the body rod and the soft rubber layer, thereby not only ensuring the strength of the toothpick to meet the use requirement, but also protecting the oral cavity from being stabbed by the soft rubber layer; meanwhile, through the improved design of the shapes of the bristles and the convex teeth on the bristles, the toothpick of the invention integrates the effects of tooth picking, brushing, scraping and the like, can effectively extend into gaps between teeth to scrape residual food while providing soft and comfortable use experience for users, and realizes oral cleaning.

Description

toothpick

technical field

The invention relates to the field of oral hygiene appliances, in particular to a toothpick.

Background technique

A traditional toothpick is a cylinder with a tapered conical head at one or both ends, which ends at a point and is usually made of bamboo, wood or plastic.

When in use, the tip is inserted into the gap between the teeth, and the gradually thicker conical head pushes the residual food into the mouth. The conical head repeatedly penetrates between the teeth and pulls out until the remaining food is completely removed. In addition to guiding the toothpick into the gap between the teeth, the tip is sometimes used to remove food residues, which can easily puncture the gums and cause bleeding. The conical head is often forced too far between the teeth to remove food residue. However, long-term use will gradually expand the gap between the teeth and make it easier for food to accumulate in the gap between the teeth. If the remaining food is not removed, it will ferment and cause gum inflammation and develop periodontal disease. Long-term inflammation and swelling of the gums will cause the gums to shrink back to the gums, thereby exposing more roots and causing the teeth to easily shake and fall out. Also, the conical head widens the gaps between the teeth, creating more food residue. Although traditional toothpicks can remove most of the residual food, they often leave small residues. These residues can also ferment and infect the gums if they are not removed when brushing.

Another type of plastic toothpick has several rows of fine brushes on it. The fine brushes are integrally formed with the toothpick, which can more effectively remove food inwards and outwards. But because the plastic fine brush is used, the material is relatively hard, and it is easy to irritate the gums and cause discomfort when using it.

Based on the defect that the toothpick is too hard to bring discomfort and puncture the gums, a soft rubber toothpick is proposed in the prior art. The soft rubber toothpick is set with a section of soft rubber on the top of the hard plastic rod, and several rows of soft brushes are set on the brush rubber to avoid stabbing the gums when picking teeth. The soft brush is too soft, and it needs to be cleaned several times to achieve the effect of removing food residues between the teeth. In addition, because the end is covered with a long section of soft glue, it will cause the end of the toothpick to be too soft, and the soft glue and the soft brush at the end will often bend and lose its effectiveness when piercing between the teeth. For this defect, U.S. Patent (US2015282601A1) discloses that nylon brush and soft brush are mixed together, and the food left over by soft brush is removed with nylon brush, and the strength of toothpick end is strengthened with steel wire.

Because the diameter of the end of the toothpick changes from thick to thin, it is the weakest part of the toothpick. This phenomenon is particularly prominent on plastic toothpicks, causing them to break easily. Because the traditional toothpick relies on the gradually thicker conical head to push the residual food out of the gap between the teeth, it gradually changes from thin to thick. This hasn't caused too much of a problem with bamboo and wooden toothpicks. However, in plastic toothpicks, when the end is completely covered by soft rubber, it is easy to bend. A bent toothpick loses its cleaning function.

Contents of the invention

In view of the defects in the prior art, the object of the present invention is to provide a toothpick designed by combining the body rod and the soft rubber layer, which not only ensures that the strength of the toothpick meets the needs of use, but also uses the soft rubber layer to protect the oral cavity from being stabbed. Through the improved design of the shape of the bristles and the protruding teeth on the bristles, it can effectively scrape the residual food in the gaps between the teeth and achieve oral hygiene.

According to one aspect of the present invention, a kind of toothpick is provided, comprising:

a body rod, the body rod includes a pointed head, a connecting segment and a groove segment, and the groove segment is provided with an annular groove extending along the length direction of the body rod;

The soft rubber layer includes the tip covering the pointed head, and the bristle segment circumferentially covers the annular groove along the length direction of the body rod, and the outer wall of the soft rubber layer and the exposed outer wall of the body rod form a Integrated smooth outer wall.

Preferably, the outer wall of the bristle segment is provided with two rows of soft rubber bristles symmetrically distributed relative to the axis of the body rod, the soft rubber bristle has a first end integrated with the outer wall of the bristle segment, and a second end integrated with the outer wall of the bristle segment. The body rod extends in any direction.

Preferably, the extension direction of the soft rubber bristles is from the pointed end of the body rod to the other end of the body rod opposite to the pointed head.

Preferably, the soft rubber bristles are flat along the length direction of the body rod, and/or the soft rubber bristles are hook-shaped along the extending direction thereof.

Preferably, the soft rubber bristles are provided with a plurality of soft rubber protruding teeth at any angle to the extending direction thereof.

Preferably, a plurality of special-shaped bristles are vertically distributed on the outer wall of the bristle section between the two rows of soft rubber bristles, and the orthogonal projection of the special-shaped bristles on the outer wall of the bristle section is any regular or irregular geometry shape.

Preferably, the special-shaped bristles are distributed in several rows along the length direction of the body rod, or the special-shaped bristles are distributed at irregular intervals on the outer wall of the bristle segment.

Preferably, the outer wall of the connecting section is provided with strip-shaped grooves distributed along the length direction of the body rod, the soft rubber layer also includes a connecting strip covering the strip-shaped groove, and the outer wall of the connecting strip An integrated smooth outer wall is formed with the uncoated outer wall of the connecting section.

Preferably, the connecting section of the body rod is tapered with a thick end and a thin end, the thick end is connected to the groove section, and the thin end is connected to the pointed end.

Preferably, the cross section of the groove segment covering the bristle segment is any one of circle, square, rhombus, ellipse and triangle.

Preferably, the body rod is made of polypropylene material or other hard plastic, and the soft rubber layer is made of thermoplastic elastomer material.

Preferably, the toothpick further includes a grip handle, and the other end of the body rod opposite to the pointed head is connected to the grip handle; or,

The toothpick also includes a grip handle, and two ends of the grip handle are respectively connected to a first body rod and a second body rod with different thicknesses.

In view of this, the toothpick of the present invention combines the body rod and the soft rubber layer to ensure that the strength of the toothpick meets the needs of use, and uses the soft rubber layer to protect the oral cavity from being stabbed. The toothpick of the present invention integrates teeth picking, brushing, The functions of scraping and other functions are integrated, and it can effectively reach into the gap between the teeth to scrape off residual food while bringing users a soft and comfortable experience, so as to achieve oral hygiene. The toothpick of the present invention mainly relies on the bristle section of the soft rubber layer to remove residual food, so the importance of the process of gradually changing the connecting section of the traditional toothpick from thin to thick is relatively low, and the connecting section of the toothpick of the present invention can be shortened and accelerated from thin to thick rough process. A shortened connecting section has greatly increased strength and thus reduces the possibility of bending and thus keeps the function of the toothpick unaffected.

In addition, the present invention breaks the shape and design of the traditional hair brush, thereby increasing its strength. Traditional brushes are mostly cylindrical, with thicker roots and thinner tops, which causes the brushes to bend easily and reduce their ability to remove food residues. The invention changes the structure of the soft rubber bristles through the improved design of the shape of the bristles and the protruding teeth on the bristles, so that the strength of the soft rubber bristles can be increased to achieve the purpose of complete removal. In addition, the design of the mold is also simplified in production, so as to achieve the purpose of high-efficiency production and low cost.

Description of drawings

Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

Fig. 1 is the perspective view of toothpick in the embodiment of the present invention;

Fig. 2 is a perspective view of the body rod in Fig. 1;

Fig. 3 is a perspective view of the soft glue layer in Fig. 1;

Fig. 4 is the enlarged schematic view of the guiding part in Fig. 1;

Fig. 5 is a schematic cross-sectional view of the connection part in Fig. 1;

Fig. 6 is a schematic cross-sectional view of the bristle part in Fig. 1;

Figures 7 to 10 are schematic diagrams of different distribution modes of two rows of soft rubber bristles facing each other on the soft rubber layer;

Fig. 11 is the enlarged schematic view of the soft rubber bristle in the embodiment;

Figure 12 is a schematic diagram of shaped bristles on the soft glue layer;

Fig. 13 is a schematic diagram of the size of the toothpick in the embodiment of the present invention;

Fig. 14 is another structural schematic diagram of the toothpick in the embodiment of the present invention.

detailed description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar structures in the drawings, and thus their repeated descriptions will be omitted.

The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the invention. However, those skilled in the art will appreciate that the technical solutions of the present invention may be practiced without one or more of the specific details, or with other methods, components, materials, and the like. In some instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring the invention.

Fig. 1 is the perspective view of the toothpick in the embodiment of the present invention. As shown in FIG. 1 , the toothpick 1 in this embodiment includes a guide part 11 , a connecting part 12 , a bristle part 13 and a handle part 14 . When in use, the user grasps the handle part 14, inserts the toothpick 1 between the teeth through the guide part 11, and stretches into the gap between the teeth along with the connecting part 12 and the bristle part 13, and uses the bristles of different shapes on the bristle part 13 to realize cleaning, Scrape off food residue. Wherein, the guide part 11 and the bristle part 13 are both formed by a hard rod wrapped with soft glue, so as to ensure that the skin of the oral cavity is not stabbed when it is inserted into the gap between teeth and extracted and scraped off food residue. The connecting part 12 is a hard rod body to ensure that the strength of the end of the toothpick 1 meets the requirements of use, because the toothpick needs to be repeatedly inserted and pulled out when removing food residues in the oral cavity, that is, the guiding part 11, the connecting part 12 and the bristle part 13 of the toothpick 1 It will repeatedly extend into and pull out the gap between the teeth, and setting the connecting part 12 as a hard rod body can ensure that the strength of the end of the toothpick 1 will not be bent due to the normal force applied during flossing and the friction between the teeth and the gap. Specifically, the toothpick 1 is an integrated structure formed by combining a hard body rod 2 and a soft soft rubber layer 3. The body rod 2 can be made of polypropylene or other hard plastics, and the soft rubber layer 3 can be thermoplastic elastic. body material.

FIG. 2 is a perspective view of the body rod 2 in FIG. 1 . Referring to FIG. 2 , the body rod 2 includes a pointed head 21 , a connecting section 22 , a groove section 23 , and a handle section 24 . The groove section 23 is provided with an annular groove extending along the length direction of the body rod 2. Referring to the figure, the groove section 23 presents a radially concave structure as a whole, thereby forming a section of groove with a concave cross-sectional diameter on the body rod 2 paragraph 23. Moreover, the tip 21 is radially recessed relative to the connecting section 22 , so that the outer walls of the tip 21 and the groove section 23 are coated with soft glue to form an integrated smooth outer wall.

The connection section 22 is tapered with a thick end 221 and a thin end 222 , the thick end 221 is connected to the groove section 23 , and the thin end 222 is connected to the pointed end 21 . The entire toothpick formed in this way is a strip structure tapering from the handle part 14 to the guide part 11, so that the thinner guide part 11 can be used to extend into the oral cavity for cleaning during use. The outer wall of the connecting section 22 is provided with strip-shaped grooves 220 distributed along the length direction of the main body rod 2, which is convenient for pasting soft glue and forming an integrated smooth outer wall. In addition, the handle section 24 is also provided with strip-shaped grooves 240 distributed along the length direction of the body rod 2 , which are also used for pasting soft glue.

Fig. 3 is a perspective view of the soft glue layer in Fig. 1 . As shown in Figure 3, the soft rubber layer 3 includes the tip 21 of the tip 31 covering the body rod 2, the bristle segment 33 wraps the groove segment 23 circumferentially along the length direction of the body rod 2, the outer wall of the soft rubber layer 3 and the body The exposed outer wall of the rod 2 forms an integrated smooth outer wall. On the outer wall of the bristle segment 33 , there are two kinds of bristles with different shapes and extension directions distributed, namely soft rubber bristles 331 and special-shaped bristles 332 , which will be described below.

As a preferred embodiment, the toothpick 1 of the present invention adopts two injection moldings, that is, the injection molding body rod 2 and the injection molding soft rubber layer 3, and then the tip 31 and the bristle section 33 of the soft rubber layer 3 are covered accordingly. The tip 21 and the groove section 23 of the body rod 2 form an integrated toothpick structure. In order to ensure that the size of the soft rubber layer 3 matches the body rod 2 and to facilitate the one-time injection molding of the soft rubber layer 3 , a connecting strip 32 is also included between the tip 31 of the soft rubber layer 3 and the bristle segment 33 . Referring to FIG. 2 , the length of the connecting strip 32 is consistent with the length of the strip-shaped groove 220 on the connecting section 22 of the body rod 2 , and the connecting strip 32 seamlessly covers the strip-shaped groove 220 . In addition, the other end of the bristle section 33 of the soft rubber layer 3 is also connected with a soft rubber handle 34, which can include a strip-shaped soft rubber layer and a block-shaped soft rubber layer, which also seamlessly cover the body rod 2 The bar-shaped groove 240 of the handle section 24.

FIG. 4 is an enlarged schematic view of the guide portion 11 in FIG. 1 , that is, a schematic view of the tip 31 of the soft rubber layer 3 wrapping the tip 21 of the body rod 2 . As shown in FIG. 4 , the outline of the main body rod 2 is outlined with a bold dashed line, and the soft rubber layer 3 is filled with a "cross"-shaped shadow. The tip 21 of the body rod 2 forms a radially retracted structure, the tip 31 of the soft rubber layer 3 is coated on the outer periphery of the tip 21, and the outer wall of the soft rubber layer 3 and the exposed outer wall of the body rod 2 are coated. flush to form an integrated structure. With such a structure, when the toothpick 1 is inserted into the oral cavity, the guide part 11 can smoothly extend into the gap between the teeth without stabbing the gum.

FIG. 5 is a schematic cross-sectional view of the connecting portion 12 in FIG. 1 , that is, a schematic cross-sectional view of the strip-shaped groove 220 where the connecting strip 32 of the soft rubber layer 3 covers the connecting section 22 of the body rod 2 . As shown in FIG. 5 , the cross-section of the connecting section 22 of the body rod 2 is circular, and a part of the concave structure is provided on its outer wall to extend along the length direction of the body rod to form a strip-shaped groove 220 . In the strip groove 220 , the connecting strip 32 of the soft rubber layer 3 is pasted. By providing strip-shaped grooves 22 on the body rod 2, the connecting strips 32 of the soft rubber layer 3 cover the strip-shaped grooves 22, so that the outer wall of the connecting strip 32 and the exposed outer wall of the connecting section 22 are integrated smooth outer wall. In the connection part 12, the surface coating rather than the circumferential coating is adopted between the soft rubber layer 3 and the body rod 2, which can ensure that the strength of the connecting part 12 of the toothpick 1 meets the use requirements, and will not be caused by the overall coating of the soft rubber Layer 3 causes the toothpick 1 to be too soft at the end and affect its use. Simultaneously, as mentioned above, the advantage of the soft glue layer 3 being provided with the connecting strip 32 is that the connecting strip 32 is used to connect the tip 31 and the bristle segment 33, so that the soft glue layer 3 can be injection-molded at one time during production and manufacturing, instead of separate injection molding. Forming the tip 31 and the bristle section 33 greatly improves the production efficiency.

FIG. 6 is a schematic cross-sectional view of the bristle portion 13 in FIG. 1 , that is, a schematic cross-sectional view of the bristle section 33 of the soft rubber layer 3 encircling the groove section 23 of the body rod 2 . As shown in FIG. 6 , the cross section of the body rod 2 at the groove section 23 is circular, and its diameter is smaller than that of the connection section 22 , thereby forming a radially concave annular groove extending along the length direction of the body rod 2 . The bristle section 33 of the soft rubber layer 3 covers the groove section 23 around the axis of the body rod 2. After covering the bristle section 33, the outer wall of the bristle section 33 (excluding bristles) and the connecting section 22 of the body rod 2 and the handle The exposed outer walls of segments 24 are flush, forming an integral smooth outer wall. And, the bristles (comprising soft rubber bristles 331 and special-shaped bristles 332, which will be described below) arranged on the bristle section 33 are arranged around the body rod 2 at 360°, so that no matter what angle the guide part 11 stretches into the oral cavity when cleaning the oral cavity , the bristles can clean any corner between the teeth.

As mentioned above, the tip 31 of the soft rubber layer 3 covers the tip 21 of the body rod 2 to form the guide portion 11 of the toothpick 1; The bristle segment 33 of the soft rubber layer 3 wraps around the groove segment 23 of the body rod 2 to form the bristle portion 13 of the toothpick 1; the handle 34 of the soft rubber layer 3 sticks the handle segment 24 of the body rod 2 , forming the handle portion 14 of the toothpick 1 . After the soft rubber layer 3 is coated or pasted on the body rod 2, the overall structure of the formed toothpick 1 has a smooth integrated outer wall, that is, the outer wall of the soft rubber layer 3 and the exposed outer wall of the body rod 2 form an integrated smooth Connected smooth outer walls. Both the soft rubber layer 3 and the body rod 2 are formed by a one-time injection molding process, which is convenient for manufacturing. Therefore, the overall structure of the formed toothpick 1 is a smooth rod body, which can be easily and smoothly inserted into the gap between the teeth, and cleans food residues during the insertion and extraction process without causing jamming or disconnection.

7 to 10 are schematic diagrams of different distribution modes of the two opposite rows of soft rubber bristles 331 on the soft rubber layer 3 . As shown in Figure 3 and Figures 7 to 10, the outer wall of the bristle segment 33 of the soft rubber layer 3 is provided with two rows of soft rubber bristles 331 that are symmetrically distributed relative to the axis of the body rod 2, and the soft rubber bristles 331 have a first end and a bristle The outer wall of the section 33 is integrated, and the second end extends in any direction with the body rod 2 . Because the soft rubber layer 3 adopts injection molding of male and female molds, two rows of soft rubber bristles 331 distributed symmetrically with respect to the axis of the body rod 2 can be set at the mold opening line of the male and female molds, and the shape of the soft rubber bristles 331 can be adopted Various forms, such as cylindrical as shown in FIG. 7 , wide flat as shown in FIG. 8 , tapered as shown in FIG. 9 , or other arbitrary geometric shapes. The eye direction of the soft rubber bristles 331 can be at any angle with the body rod 2, that is, it can be perpendicular to the outer wall of the bristle section 33 as shown in Figures 7 to 9, or can be at a certain angle with the outer wall of the bristle section 33 as shown in Figure 10. Angle extension. On the soft rubber bristles 331, a plurality of soft rubber protruding teeth 333 can be arranged at any angle to the extending direction thereof, and the ends of the soft rubber protruding teeth 333 can be set to be smooth. The soft rubber bristles 331 with different extension directions and shapes, and the design of the protruding teeth 333 maximize the effectiveness of the toothpick 1 in removing and scraping residual food between the teeth.

FIG. 11 is an enlarged schematic view of the soft rubber bristles 331 in the embodiment. As shown in Figure 11, in a preferred embodiment, the soft rubber bristles 331 extend at a certain angle to the outer wall of the bristle section 33, and the extension direction is from the pointed end of the body rod 2 (marked by A in the figure) to the body The other end B of the rod 2 is opposite to the pointed end A. In this way, when extending into the gap between the teeth, the extension direction of the soft rubber bristles 331 is in the same direction as the movement track of the toothpick 1, so the soft rubber bristles 331 smoothly enter the gap between the teeth without being deformed and bent. When pulling out the gap between the teeth, the extension direction of the soft rubber bristles 331 is opposite to the trajectory of the toothpick 1, so that the soft rubber bristles 331 will be deformed and bent due to the friction between the gaps between the teeth, and play a role similar to a hook. Scrape off the food residue in it. Correspondingly, as shown in Figure 11, the soft rubber bristles 331 are hook-shaped along the extending direction thereof, and are flat along the length direction of the body rod 2, so that the soft rubber bristles 331 maintain strength when the toothpick 1 is inserted into the gap between the teeth, while When the toothpick 1 is pulled out between the teeth, the soft rubber bristles 331 hook and scrape off food residues. Further, the protruding teeth 333 on the soft rubber bristles 331 also help to clean and scrape food residues between the teeth.

FIG. 12 is a schematic diagram of the shaped bristles 332 on the soft glue layer 3 . The outer wall of the bristle section 33 between the two rows of soft rubber bristles 331 can be vertically distributed with a plurality of special-shaped bristles 332, and the orthogonal projection of the special-shaped bristles 332 on the outer wall of the bristle section 33 is any regular or irregular geometry, such as Fig. Various geometric shapes such as squares, rectangles, triangles, circles, pentagons, "ten" shapes, "L" shapes, etc. are shown. The special-shaped bristles 332 with different geometric shapes also help to scrape the residual food in the gap between the teeth. The special-shaped bristles 332 can be distributed in several rows along the length direction of the body rod 2 , or the special-shaped bristles 332 can be distributed at irregular intervals on the outer wall of the bristle segment 33 .

In addition, the bristle part 13 of the toothpick 1, that is, the cross section after the groove section 23 of the body rod 2 covers the bristle section 33 of the soft rubber layer 3 can be a circle as shown, or a square, rhombus, or ellipse. , triangle, or any other geometric shape. As long as its diameter meets the needs of use, it can be smoothly inserted into the gap between teeth.

Fig. 13 is a schematic diagram of the dimensions of the toothpick 1 in the embodiment of the present invention. As shown in FIG. 13 , the shadow filled part of the "ten" is the soft rubber layer 3 that covers the body rod 2 . In a preferred embodiment, the diameter D1 of the guide portion 11 of the toothpick 1 of the present invention is 0.7 mm, which is convenient for piercing between teeth. The length L1 of the connecting part 12 is 5 mm, and the length L2 of the bristle part 13 is 15 mm, which is convenient for following the guide part 11 to extend into the gap between teeth to clean residual food. The length L3 of the handle part 14 is 12 mm, the length L4 of the block handle connected to the handle part 14 is 15 mm, and the width L5 of the block handle is 6.5 mm, which is convenient for hand-held control. In addition, the diameter D2 of the end of the toothpick 1 connected to the block handle is 1.3mm, and the toothpick 1 is tapered from the end with the diameter D2 to the end with the diameter D1. This embodiment illustrates a possible size design of the toothpick 1 with specific numerical values, which can be adjusted accordingly according to actual needs during actual production and manufacturing.

Referring to Figure 11, the distance L6 between the soft rubber bristles 331 and the bristle section 33 can also be set according to actual needs, for example, L6 is set to 0.8 mm, which is basically consistent with the height of the teeth, so that the soft rubber bristles 331 can fully remove the gaps between the teeth . Of course, the special-shaped bristles 332 can also be designed with reference to the size of the soft rubber bristles 331 , which will not be repeated here.

Fig. 14 is another structural schematic diagram of the toothpick in the embodiment of the present invention. As shown in Figure 14, in this embodiment, two toothpicks with different thicknesses are "joined" together through the handle part 14. The toothpick located on the right side of the handle part 14 is a thinner toothpick, which has a guide part 11 and a bristle part 13. To the left of the handle portion 14 is a thicker toothpick having a guide portion 11' and a bristle portion 13'. Using the toothpick shown in Figure 14, you can flexibly choose according to the size of the gaps between the teeth, use the bristle part 13 to clear the smaller gaps between the teeth, and use the bristle part 13' to remove the larger gaps between the teeth, which brings more richness to the user of the toothpick. choose. Wherein, the cross-sectional diameter of the bristle part 13' is, for example, twice the cross-sectional diameter of the bristle part 13, or is specifically set according to actual needs.

To sum up, the toothpick of the present invention is designed by combining the body rod and the soft rubber layer, which not only ensures that the strength of the toothpick meets the needs of use, but also uses the soft rubber layer to protect the oral cavity from being stabbed; The improved design makes the toothpick of the present invention integrate the functions of flossing, brushing, and scraping, and can effectively penetrate into the gaps between the teeth to remove residual food while bringing users a soft and comfortable experience, so as to realize oral hygiene.

Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention.

Claims (12)

1. A toothpick, characterized in that, comprising: a body rod, the body rod includes a pointed head, a connecting segment and a groove segment, and the groove segment is provided with an annular groove extending along the length direction of the body rod; The soft rubber layer includes the tip covering the pointed head, and the bristle segment circumferentially covers the annular groove along the length direction of the body rod, and the outer wall of the soft rubber layer and the exposed outer wall of the body rod form a Integrated smooth outer wall. 2. toothpick as claimed in claim 1, is characterized in that, the outer wall of described bristle section is provided with two rows of soft rubber bristles that are symmetrically distributed with respect to the axis of said body bar, and said soft rubber bristles have a first end and said soft rubber bristles. The outer wall of the bristle segment is integrated, and the second end extends in any direction with the body rod. 3. The toothpick according to claim 2, wherein the extension direction of the soft rubber bristles is from the pointed end of the body rod to the other end of the body rod opposite to the pointed head. 4. The toothpick according to claim 2, wherein the soft rubber bristles are flat along the length direction of the body rod, and/or the soft rubber bristles are hook-shaped along the extending direction. 5 . The toothpick according to claim 4 , wherein the soft rubber bristles are provided with a plurality of soft rubber protruding teeth at any angle to the extending direction thereof, and the ends of the soft rubber protruding teeth are smooth. 6 . 6. toothpick as claimed in claim 2, is characterized in that, the outer wall that is positioned at the described bristle section between two rows of described soft glue bristles is vertically distributed with plural special-shaped bristles, and described special-shaped bristle is on the side of described bristle section. The orthogonal projection of the outer wall is any regular or irregular geometry. 7. The toothpick according to claim 6, wherein the special-shaped bristles are distributed in several rows along the length direction of the body rod, or the special-shaped bristles are distributed at irregular intervals on the outer wall of the bristle segment. 8. The toothpick according to claim 1, wherein the outer wall of the connecting section is provided with strip-shaped grooves distributed along the length direction of the body rod, and the soft rubber layer also includes a connecting strip covered The strip-shaped groove, the outer wall of the connecting bar and the uncoated outer wall of the connecting section form an integrated smooth outer wall. 9. The toothpick according to claim 1, wherein the connecting section of the body rod is tapered with a thick end and a thin end, the thick end is connected to the groove section, and the thin end is connected to the pointed. 10 . The toothpick according to claim 1 , wherein the cross section of the groove section covering the bristle section is any one of circle, square, rhombus, ellipse and triangle. 11 . 11. The toothpick according to claim 1, wherein the body rod is made of polypropylene material, and the soft rubber layer is made of thermoplastic elastomer material. 12. The toothpick according to claim 1, wherein the toothpick further comprises a grip handle, and the other end of the body rod opposite to the pointed head is connected to the grip handle; or, The toothpick also includes a grip handle, and two ends of the grip handle are respectively connected to a first body rod and a second body rod with different thicknesses.