A dental floss pick

Abstract

This utility model discloses a dental floss pick, including a handle for the user to hold; a floss holder disposed at one end of the handle, with two relatively spaced support arms at the end of the floss holder away from the handle; dental floss fixed between the two support arms; and the dental floss including two first segments placed within the two support arms and a second segment connected between the two support arms; the first segments have a non-linear orientation within the support arms, while the second segment has a linear orientation. The non-linear orientation of the first segment in this utility model increases the contact area and friction between the dental floss and the support arms, improving the stability of the dental floss and preventing it from loosening during use.

Description

Technical Field

[0001] This utility model relates to the technical field of dental floss picks, and more particularly to a dental floss pick. Background Technology

[0002] Traditional dental floss picks typically consist of a handle and two parallel support arms, with dental floss stretched between the arms for cleaning teeth. Currently, there are two main methods for securing the dental floss within the support arms:

[0003] (1) Straight-line fixed type: Dental floss runs through the support arm in a straight line, and the two ends are fixed by heat fusion or adhesive. This method has obvious drawbacks: dental floss is prone to loosening during use, resulting in a decrease in cleaning effect; the fixing point bears all the stress and is prone to breakage; and it cannot effectively buffer the impact force during use.

[0004] (2) Simple bending and fixing type: Some products attempt to set a simple arc direction in the support arm, but there are problems: the bending structure design is unreasonable and cannot effectively store elastic potential energy; it still relies on the traditional hot melt fixing process; the bending shape is monotonous and the adaptability is insufficient. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The technical problem to be solved by this utility model is to provide a dental floss stick in which the non-linear design of the first section increases the contact area and friction between the dental floss and the support arm, thereby improving the stability of the dental floss and preventing it from loosening during use.

[0007] (II) Technical Solution

[0008] The solution adopted by this utility model to solve the above-mentioned technical problems is a dental floss pick, including...

[0009] The handle is for the user to hold.

[0010] A dental floss holder is provided at one end of the handle, and the end of the dental floss holder away from the handle is provided with two support arms arranged at relatively intervals.

[0011] Dental floss, which is fixed between two support arms; and the dental floss includes two first segments placed within the two support arms, and a second segment connected between the two support arms;

[0012] The first segment runs non-linearly within the support arm, while the second segment runs linearly.

[0013] In some embodiments, the dental floss is made of polytetrafluoroethylene. The dental floss is formed behind the support arm of the dental floss holder. The dental floss between adjacent floss sticks is separated by a cutting process. This solves the problem of various toxic and harmful gases and harmful residues generated by the existing technology of separating adjacent dental floss sticks by hot-heating the floss. Moreover, the cutting process is simpler and faster than the hot-heating process, reducing production costs.

[0014] By adopting the above solution, the non-linear direction of the first segment increases the contact area and friction between the dental floss and the support arm, improves the stability of the dental floss, and prevents the dental floss from loosening during use.

[0015] In some embodiments, the non-linear orientation is at least one of wavy, sawtooth, or stepped.

[0016] Specifically, the wavy shape provides continuous bending fixation, the serrated shape provides multi-point locking fixation, and the stepped shape provides hierarchical fixation.

[0017] In some embodiments, the support arm is provided with at least one guide structure for changing the direction of the first segment of the dental floss within the support arm.

[0018] Using the above scheme, the guide structure can precisely control the path of the dental floss within the support arm.

[0019] In some embodiments, the guide structure includes a guide groove provided on the support arm.

[0020] In some embodiments, each support arm has a set of guide grooves at its upper end, and the set of guide grooves includes two guide grooves spaced apart along the length direction of the support arm; each support arm has two sets of guide grooves spaced apart along the direction of the dental floss, and each set of guide grooves includes two guide grooves spaced apart along the length direction of the support arm; and, along the direction of the dental floss, the set of guide grooves at the upper end of the support arm is positioned between the two sets of guide grooves at the lower end of the support arm.

[0021] Specifically, the guide groove on the support arm can change the direction of the dental floss when the mold is closed by changing the structure of the mold, thereby decomposing the direction of the force and increasing its static friction. The requirement of dental floss holding force >3kgf can be achieved without the need for a knot.

[0022] The above solution, with its three-dimensional spatial layout of multiple guide grooves at the upper and lower ends of the support arm, allows the dental floss to form a three-dimensional tortuous path within the support arm, significantly increasing the effective contact length and improving the fixation firmness; while the guide grooves can precisely guide the dental floss to be arranged along a predetermined path.

[0023] In some embodiments, the depth of the guide groove is greater than 1 / 2 of the thickness of the support arm, ensuring that the center of gravity is located inside the support arm after the dental floss is embedded, preventing the dental floss from coming out due to external force shaking, while retaining sufficient wall thickness to maintain the mechanical strength of the support arm.

[0024] In some embodiments, the guide groove is smaller in the length direction of the support arm than the width of the dental floss, so that the dental floss is locally deformed at the guide groove rather than sliding as a whole, which is both firmly fixed and avoids excessive compression that could damage the dental floss.

[0025] In some embodiments, the cross-section of the guide groove is trapezoidal.

[0026] Using the above solution, the inclined sidewall of the guide groove with the trapezoidal cross section generates a radial component force, which makes the dental floss tighter and tighter, while the bottom plane provides stable support to prevent the dental floss from breaking due to excessive local bending.

[0027] In some embodiments, the first segment includes a first bent segment, a first straight segment, a second bent segment, a second straight segment, a third bent segment, a third straight segment, and a fourth bent segment connected sequentially along its non-straight direction; the fourth bent segment is connected to the second segment; wherein the first straight segment and the third straight segment are in the same plane; the plane containing the second straight segment is parallel to the plane containing the first straight segment, and the plane containing the second segment is positioned between the plane containing the first straight segment and the plane containing the second straight segment.

[0028] Specifically, one end of the first bent segment is connected to the first straight segment, and the other end is connected to the straight-lined cutting segment formed after the dental floss is cut. Furthermore, the plane where the cutting segment is located and the plane where the second segment is located are in the same plane, forming a three-plane alternating bending structure. The first straight segment and the third straight segment form the main force-bearing layer in the same plane. The second straight segment forms a buffer layer in a plane parallel to the second straight segment. The intermediate plane where the second segment is located achieves a force balance transition. The cutting segment and the second segment are designed to be coplanar to ensure that the remaining end after cutting will not hurt the user's oral cavity.

[0029] In some embodiments, the first segment includes a fifth bend segment, a fourth straight segment, and a sixth bend segment connected sequentially along its non-straight direction, with the sixth bend segment connected to the second segment.

[0030] The above solution simplifies the structure of the first segment (only two bent segments and one straight line segment), reduces the processing difficulty, and still provides sufficient fixing force through bending, making it suitable for low-cost requirements.

[0031] (III) Beneficial Effects

[0032] Compared with the prior art, this utility model designs a dental floss pick.

[0033] (1) The non-linear direction of the first section of this utility model increases the contact area and friction between the dental floss and the support arm, improves the stability of the dental floss, and prevents the dental floss from coming loose during use.

[0034] (2) The present invention provides a guide groove on the support arm, which can change the direction of the dental floss when the mold is closed by changing the structure of the mold, thereby decomposing the direction of the force to increase its static friction. The requirement of dental floss holding force >3kgf can be achieved without the need for a knot.

[0035] (3) The three-dimensional spatial layout of multiple sets of guide grooves at the upper and lower ends of the support arm in this utility model makes the dental floss form a three-dimensional tortuous path in the support arm, which greatly increases the effective contact length and improves the fixing firmness; while the guide grooves can accurately guide the dental floss to be arranged according to the predetermined path.

[0036] (4) The inclined sidewall of the trapezoidal cross-section guide groove of this utility model generates radial force, which makes the dental floss tighter and tighter, and the bottom plane provides stable support to avoid excessive local bending of the dental floss and breakage.

[0037] (5) This utility model increases the contact area of ​​the thumb / index finger through the double-sided concave design of the anti-slip area; the concave sidewall restricts the lateral sliding of the fingers; the inclined protrusion is arranged in a cross pattern with the finger texture to improve the grip under wet and slippery conditions. Attached Figure Description

[0038] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the structure of a dental floss stick according to Example 1;

[0040] Figure 2 for Figure 1 Sectional view at point AA;

[0041] Figure 3 for Figure 2 Enlarged view of point B in the middle;

[0042] Figure 4 This is a cross-sectional view of the dental floss holder in Example 1;

[0043] Figure 5 This is a schematic diagram of the non-linear path of the dental floss on the support arm in Example 2.

[0044] The component names corresponding to the various reference numerals in the figure are as follows: 100, handle; 200, dental floss holder; 201, support arm; 300, dental floss; 301, first segment; 3011, first bent segment; 3012, first straight segment; 3013, second bent segment; 3014, second straight segment; 3015, third bent segment; 3016, third straight segment; 3017, fourth bent segment; 3018, fifth bent segment; 3019, fourth straight segment; 3020, sixth bent segment; 302, second segment; 303, cutting segment; 400, guide groove. Detailed Implementation

[0045] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but should not be used to limit the scope of this utility model.

[0046] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0047] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0048] It should be noted that the following description covers various aspects of embodiments within the scope of the appended claims. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0049] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0050] Additionally, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that practice can be carried out without these specific details.

[0051] The technical solutions provided by the various embodiments of this application are described below with reference to the accompanying drawings.

[0052] Example 1:

[0053] like Figures 1-4As shown, this embodiment provides a dental floss pick, including a handle portion 100 for a user to hold; a dental floss holder 200 disposed at one end of the handle portion 100, and the end of the dental floss holder 200 away from the handle portion 100 is provided with two relatively spaced support arms 201; dental floss 300 fixed between the two support arms 201; and the dental floss 300 includes two first segments 301 placed within the two support arms 201, and a second segment 302 connected between the two support arms 201; the first segments 301 have a non-linear orientation within the support arms 201, and the second segment 302 has a linear orientation. In some embodiments, the dental floss 300 is made of polytetrafluoroethylene (PTFE). After the dental floss 300 is formed on the support arm 201 of the dental floss holder 200, the dental floss 300 between adjacent floss sticks is separated by a cutting process. This solves the problem of various toxic and harmful gases and residues generated by the existing technology of separating adjacent floss sticks by heating the dental floss 300 with a hot-heating process. Moreover, the cutting process is simpler and faster than the hot-heating process, reducing production costs. Using the above solution, the non-linear direction of the first segment 301 increases the contact area and friction between the dental floss 300 and the support arm 201, improving the stability of the dental floss 300 and preventing it from loosening during use. In some embodiments, the non-linear direction is serrated, providing multi-point locking and fixation.

[0054] In some embodiments, the support arm 201 is provided with a guide structure for changing the direction of the first segment 301 of the dental floss 300 within the support arm 201. Using the above solution, the guide structure can precisely control the path of the dental floss 300 within the support arm 201. In some embodiments, the guide structure includes guide grooves 400 provided on the support arm 201. In some embodiments, each support arm 201 has a set of guide grooves 400 at its upper end, and each set of guide grooves 400 includes two guide grooves 400 spaced apart along the length direction of the support arm 201; each support arm 201 has two sets of guide grooves 400 spaced apart along the direction of the dental floss 300 at its lower end, and each set of guide grooves 400 includes two guide grooves 400 spaced apart along the length direction of the support arm 201; and, along the direction of the dental floss 300, the set of guide grooves 400 located at the upper end of the support arm 201 is positioned between the two sets of guide grooves 400 located at the lower end of the support arm 201. Specifically, the guide groove 400 on the support arm 201 can change the direction of the dental floss 300 when the mold is closed by changing the structure of the mold, thereby decomposing the direction of the force and increasing its static friction. This achieves the requirement of a holding force of >3 kgf for the dental floss 300 without the need for a knot. Using the above solution, the three-dimensional spatial layout of multiple sets of guide grooves 400 at the upper and lower ends of the support arm 201 allows the dental floss 300 to form a three-dimensional tortuous path within the support arm 201, significantly increasing the effective contact length and improving the fixing firmness. The guide grooves 400 can precisely guide the dental floss 300 to be arranged along a predetermined path. In some embodiments, the depth of the guide groove 400 is greater than 1 / 2 the thickness of the support arm 201, ensuring that the center of gravity of the dental floss 300 is located inside the support arm 201 after it is embedded, preventing the dental floss 300 from coming out due to external shaking, while maintaining sufficient wall thickness to maintain the mechanical strength of the support arm 201. In some embodiments, the guide groove 400 is smaller in length than the dental floss 300 in width, causing the dental floss 300 to deform locally at the guide groove 400 rather than slide entirely, thus securing it firmly while preventing excessive compression and damage to the dental floss 300. In some embodiments, the guide groove 400 has a trapezoidal cross-section. Using this design, the inclined sidewalls of the trapezoidal guide groove 400 generate a radial force, causing the dental floss 300 to be pulled tighter, while the bottom plane provides stable support, preventing excessive local bending of the dental floss 300 and subsequent breakage.

[0055] In some embodiments, the first segment 301 includes a first bent segment 3011, a first straight segment 3012, a second bent segment 3013, a second straight segment 3014, a third bent segment 3015, a third straight segment 3016, and a fourth bent segment 3017 connected sequentially along its non-straight direction; the fourth bent segment 3017 is connected to the second segment 302; wherein, the first straight segment 3012 and the third straight segment 3016 are in the same plane; the plane containing the second straight segment 3014 is parallel to the plane containing the first straight segment 3012, and the plane containing the second segment 302 is positioned between the plane containing the first straight segment 3012 and the plane containing the second straight segment 3014. Specifically, one end of the first bent segment 3011 is connected to the first straight segment 3012, and the other end is connected to the straight cutting segment 303 formed after the dental floss 300 is cut. The plane where the cutting segment 303 is located and the plane where the second segment 302 is located are in the same plane, forming a three-plane alternating bending structure. The first straight segment 3012 and the third straight segment 3016 form the main force-bearing layer in the same plane. The second straight segment 3014 forms a buffer layer in parallel plane. The intermediate plane where the second segment 302 is located achieves force balance transition. The cutting segment 303 and the second segment 302 are designed to be coplanar to ensure that the cut residue will not hurt the user's oral cavity.

[0056] Example 2:

[0057] like Figure 5 As shown, the difference between this embodiment and Embodiment 1 above is that in this embodiment, each support arm 201 has a guide groove 400 at its upper end. In some embodiments, the first segment 301 includes a fifth bent segment 3018, a fourth straight segment 3019, and a sixth bent segment 3020 connected sequentially along its non-straight direction, with the sixth bent segment 3020 connected to the second segment 302. By adopting the above scheme, the structure of the first segment 301 is simplified (only two bent segments and one straight segment), reducing processing difficulty, while still providing sufficient fixing force through bending, making it suitable for low-cost requirements.

[0058] The same or similar parts between the various embodiments in the specification can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0059] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A dental floss pick, characterized in that: include A handle (100) for the user to hold; A dental floss holder (200) is provided at one end of the handle (100), and two support arms (201) are arranged at a relatively spaced distance from the end of the dental floss holder (200) away from the handle (100). Dental floss (300) is fixed between two support arms (201); and the dental floss (300) includes two first segments (301) placed within the two support arms (201) and a second segment (302) connected between the two support arms (201); The first segment (301) runs non-linearly within the support arm (201), while the second segment (302) runs linearly.

2. The dental floss pick according to claim 1, characterized in that: The non-linear orientation is at least one of wavy, sawtooth, or stepped.

3. The dental floss pick according to claim 1, characterized in that: The support arm (201) is provided with at least one guide structure for changing the direction of the first segment (301) of the dental floss (300) within the support arm (201).

4. The dental floss pick according to claim 3, characterized in that: The guide structure includes a guide groove (400) provided on the support arm (201).

5. The dental floss pick according to claim 4, characterized in that: The depth of the guide groove (400) is greater than 1 / 2 of the thickness of the support arm (201).

6. The dental floss pick according to claim 4, characterized in that: The dimension of the guide groove (400) in the length direction of the support arm (201) is smaller than the dimension of the dental floss (300) in the width direction.

7. The dental floss pick according to claim 4, characterized in that: The cross-section of the guide groove (400) is trapezoidal.

8. The dental floss pick according to claim 1, characterized in that: The first segment (301) includes a first bent segment (3011), a first straight segment (3012), a second bent segment (3013), a second straight segment (3014), a third bent segment (3015), a third straight segment (3016), and a fourth bent segment (3017) connected sequentially along its non-straight direction; the fourth bent segment (3017) is connected to the second segment (302); wherein, the first straight segment (3012) and the third straight segment (3016) are in the same plane; the plane in which the second straight segment (3014) is located is parallel to the plane in which the first straight segment (3012) is located, and the plane in which the second segment (302) is located is positioned between the plane in which the first straight segment (3012) is located and the plane in which the second straight segment (3014) is located.

9. The dental floss pick according to claim 1, characterized in that: The first segment (301) includes a fifth bend segment (3018), a fourth straight segment and a sixth bend segment (3019) connected sequentially along its non-straight direction, and the sixth bend segment (3019) is connected to the second segment (302).

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