CN111888024B

CN111888024B - Self-locking dental floss stick

Info

Publication number: CN111888024B
Application number: CN202010780450.2A
Authority: CN
Inventors: 黄岸; 王浩锟; 彭响方
Original assignee: Fujian University of Technology
Current assignee: Fujian University of Technology
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2022-04-15
Anticipated expiration: 2040-08-04
Also published as: CN111888024A

Abstract

The invention discloses a self-locking floss rod which comprises a floss rod body and a floss, wherein the front end of the floss rod body is connected with a flexible locking mechanism, the tail end of the floss rod body is provided with a one-way rolling locking mechanism, the front end of the floss is wound on the flexible locking mechanism, the tail end of the floss is wound on the one-way rolling locking mechanism, and the floss can be moved forwards, replaced and locked under the matching of the flexible locking mechanism and the one-way rolling locking mechanism. The invention has the characteristics of simple structure, convenient wire replacement operation, recycling, environmental protection and the like.

Description

Self-locking dental floss stick

Technical Field

The invention relates to the field of dental floss sticks, in particular to a self-locking dental floss stick.

Background

Tooth cleaning is always one of the focuses of modern people, and toothbrushes, toothpicks, dental floss and the like are all commonly used tooth cleaning tools at present. Dental floss, however, has its unique advantages of removing food debris from crevices of teeth, keeping teeth clean.

The currently marketed picking tools mainly comprise: an arched floss rod and a floss for direct finger winding. The arch dental floss rod is a disposable product, a plurality of arch dental floss rods can be used for completely cleaning teeth, so that the resource is greatly wasted, and the concept of green environmental protection is not met. And for the dental floss directly wound by fingers, the dental floss wound by two fingers needs to be wasted in each use, so that resources are greatly wasted, and the use times of one box of dental floss is shortened. In addition, when the toothbrush is used for cleaning teeth, a hand needs to be stretched into the oral cavity for operation, so that the toothbrush is inconvenient to use and is very easy to cause the harm of the disease entering from the mouth. Although some recyclable floss rod instruments appear in recent years, the floss rod instrument has the defects of complicated internal structure, inconvenient operation of a floss fixing device group and the like, and the wide application of the floss rod instrument is limited.

For the dental floss material, the friction coefficient of the currently used nylon material is larger, and the dental floss can be pressed into the tooth gaps only by needing larger pressure at the narrow tooth gaps, so that not only is the enamel damaged, but also the dental floss is very easy to press on the gum to cause gum bleeding, and further the risk of infection is caused. And the nylon is very easy to absorb water and adhere to microorganisms in the oral cavity, so that the dental floss needs to be replaced with a new dental floss for cleaning the teeth after one-time use.

Disclosure of Invention

The invention aims to provide a self-locking dental floss rod which is simple in structure, convenient in wire replacement and recyclable.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a auto-lock dental floss stick, includes dental floss barred body and dental floss, the front end of dental floss barred body is connected with flexible locking mechanism, and the end of dental floss barred body has one-way roll locking mechanism, the dental floss front end twines on flexible locking mechanism, and the end of dental floss twines on one-way roll locking mechanism, can realize under the cooperation of flexible locking mechanism and one-way roll locking mechanism that the antedisplacement of dental floss is renewed and the locking.

Furthermore, the flexible locking mechanism comprises a sliding column and a fixed column, the fixed column is fixed on the shell of the dental floss rod, a sliding groove is formed above the fixed column, the sliding column is in a flexible dumbbell shape, the sliding column is sleeved in the sliding groove in a sliding mode, the dental floss is wound on the sliding column and the fixed column vertically, the front end of the dental floss is arranged between the sliding column and the fixed column, and the sliding column is driven to press down on the fixed column under the action of tensile force of the dental floss so that the front end of the dental floss is locked.

Furthermore, a lower pressing groove is formed in the fixing column, and the sliding column is tightly nested on the lower pressing groove.

Furthermore, the one-way rolling locking mechanism comprises a gear ring, a jaw, a spring and a cam handle combination, the gear ring is rotatably connected inside the dental floss rod body, the tail end of the dental floss is wound on an annular groove in the middle of the gear ring, the lower end of the jaw is rotatably connected on the shell of the dental floss rod body, the spring is respectively abutted against the inner wall of the shell of the dental floss rod body and one side of the jaw, the cam handle combination comprises a cam and a handle, the handle is connected with the cam and drives the cam to select, the cam is rotatably connected inside the dental floss rod body, and the cam is abutted against the other side of the jaw; the claw is pressed by the spring and the cam to keep propping against the gear ring to realize self-locking.

Further, the spring is a truncated cone coil spring.

Further, the material of the dental floss is ePTFE.

By adopting the technical scheme, the invention has the following technical effects: the dental floss rod has the advantages of simple structure, convenient wire replacement operation and recycling. The ePTFE dental floss has the advantages of small friction coefficient, good wear resistance, capability of protecting enamel, capability of pressing the dental floss into a tooth gap with small pressure, capability of avoiding gingival bleeding caused by pressing on gingiva and the like. And the ePTFE dental floss has biocompatibility and certain flexibility, so that the service life and the safety of the dental floss are improved. In addition, because the ePTFE has hydrophobicity and antibacterial property, the pollution of microorganisms is greatly reduced, the use frequency of a section of ePTFE dental floss can be improved, and the use rate of the dental floss is greatly improved. The biocompatibility of the ePTFE ensures that scraps generated by friction can enter the human body, so that the safety of the product is ensured. Therefore, the self-locking dental floss rod can achieve the purposes of easy operation, environmental protection and tooth protection.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and the detailed description;

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

FIG. 2 is a schematic view of a dental floss wound on a gear ring;

FIG. 3 is a schematic view of a one-way roll locking mechanism;

FIG. 4 is a schematic view of a flexible locking mechanism;

fig. 5 is a schematic view of the sliding post moving down to clamp the fixed post.

Detailed Description

As shown in one of fig. 1 to 5, the self-locking floss rod comprises a floss rod body 2 and a floss 7, wherein a flexible locking mechanism is connected to the front end of the floss rod body 2, a one-way rolling locking mechanism is arranged at the tail end of the floss rod body 2, the front end of the floss 7 is wound on the flexible locking mechanism, the tail end of the floss 7 is wound on the one-way rolling locking mechanism, and the floss 7 can be moved forwards, replaced and locked under the cooperation of the flexible locking mechanism and the one-way rolling locking mechanism.

Further, flexible locking mechanism includes slip post 1 and fixed column 8, fixed column 8 is fixed on 7 excellent casings of dental floss, is equipped with the spout in the top of fixed column 8, slip post 1 is flexible dumbbell shape, slip post 1 slides and cup joints in the spout, dental floss 7 twines from top to bottom on slip post 1 and fixed column 8 and the front end of dental floss 7 is put between slip post 1 and fixed column 8, thereby it pushes down on fixed column 8 to lock the front end of dental floss 7 to drive slip post 1 under the pulling force effect at dental floss 7.

A lower pressure groove 8-1 is formed in the fixed column 8, and the sliding column 1 is tightly pressed and nested on the lower pressure groove 8-1. The design can guarantee that the front end of the dental floss 7 can be effectively compressed between the sliding column 1 and the fixing column 8, and the self-locking effect is guaranteed.

The unidirectional rolling locking mechanism comprises a gear ring 3, a jaw 5, a spring 4 and a cam handle combination 6, wherein the gear ring 3 is rotatably connected inside the dental floss rod body 2, the tail end of dental floss 7 is wound on a circular groove in the middle of the gear ring 3, the lower end of the jaw 5 is rotatably connected on a shell of the dental floss rod body 2, the spring 4 is respectively abutted against the inner wall of the shell of the dental floss rod body 2 and one side of the jaw 5, the cam handle combination 6 comprises a cam 6-1 and a handle 6-2, the handle 6-2 is connected with the cam 6-1 and drives the cam 6-1 to select, the cam 6-1 is rotatably connected inside the dental floss rod body 2, and the cam 6-1 is abutted against the other side of the jaw 5; the claw 5 is pressed by the spring 4 and the cam 6-1 to be kept against the gear ring 3 to realize self-locking.

The spring 4 is a truncated cone coil spring.

Preferably, the material of the dental floss 7 according to the invention is ePTFE. The ePTFE dental floss has the advantages of small friction coefficient, good wear resistance, capability of protecting enamel, capability of pressing the dental floss into a tooth gap with small pressure, capability of avoiding gingival bleeding caused by pressing on gingiva and the like. And the ePTFE dental floss has biocompatibility and certain flexibility, so that the service life and the safety of the dental floss are improved. In addition, because the ePTFE has hydrophobicity and antibacterial property, the pollution of microorganisms is greatly reduced, the use frequency of a section of ePTFE dental floss can be improved, and the use rate of the dental floss is greatly improved. The biocompatibility of the ePTFE ensures that scraps generated by friction can enter the human body, so that the safety of the product is ensured.

The working principle of the invention is as follows:

as shown in figure 3, the one-way rolling locking mechanism is in a locking state, the claw 5 arranged on the dental floss rod body 2 is pressed by the spring 4 and the cam 6-1 to keep a state of propping against the gear ring 3, the gear ring 3 cannot rotate anticlockwise, namely, when the teeth are picked, the end 7-2 (shown in figure 4) of the dental floss positioned in a working area is pulled, the anticlockwise rotation of the gear ring 3 cannot be carried out at the moment, and the tail end of the dental floss forms self-locking.

The flexible locking mechanism at the front end of the floss stick body is shown in fig. 4, and the floss 7 is wound on the sliding post 1 and the fixed post 8 according to the mode of fig. 4. When the dental floss needs to be replaced, the handle 6-2 rotates clockwise by a certain angle, the handle 6-2 drives the cam 6-1 to rotate clockwise, the claw 5 rotates anticlockwise, the spring 4 is in a compressed state, and the gear ring 3 moves freely at the moment. After that, the end of the dental floss 7-1 is pulled, the front end part 7-1 of the dental floss is stopped after the used part of dental floss is replaced again, and the cam handle 6-2 is released, the claw 5 is restored under the action of the spring 4, the self-locking is formed again, and the dental floss is not output any more. When the tooth is picked, the end part 7-2 of the dental floss in the working area is pulled, the sliding column 1 approaches the fixed column 8 along the sliding groove, and finally the state shown in figure 5 is formed, the dental floss 7 is locked, and front end self-locking is formed.

After the two ends are self-locked, the ePTFE dental floss can be pressed into the tooth gaps only by slightly pressing the dental floss rod body 2 due to the special low friction of the ePTFE dental floss. The good biocompatibility, flexibility and elasticity of ePTFE allow it to obtain considerable protection and product safety when cleaning teeth.

When the dental floss needs to be renewed after use, namely the front end and the rear end are in a self-locking state, the dental floss can be renewed only by rotating the handle 6-2 clockwise to enable the gear ring 3 to rotate freely and pulling the front end part 7-1 of the dental floss continuously.

While the invention has been described in connection with the above embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, which are illustrative and not restrictive, and that those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A self-locking floss pick comprises a floss pick body and a floss, and is characterized in that: the front end of the dental floss rod body is connected with a flexible locking mechanism, the tail end of the dental floss rod body is provided with a one-way rolling locking mechanism, the front end of the dental floss is wound on the flexible locking mechanism, the tail end of the dental floss is wound on the one-way rolling locking mechanism, and the dental floss can be moved forwards, renewed and locked under the matching of the flexible locking mechanism and the one-way rolling locking mechanism; the flexible locking mechanism comprises a sliding column and a fixed column, the fixed column is fixed on the dental floss rod shell, a sliding groove is arranged above the fixed column, the sliding column is in a flexible dumbbell shape, the sliding column is sleeved in the sliding groove in a sliding mode, the dental floss is wound on the sliding column and the fixed column vertically, the front end of the dental floss is arranged between the sliding column and the fixed column, and the dental floss drives the sliding column to press down on the fixed column under the action of pulling force so as to lock the front end of the dental floss; the one-way rolling locking mechanism comprises a gear ring, a jaw, a spring and a cam handle combination, the gear ring is rotatably connected inside the dental floss rod body, the tail end of the dental floss is wound on a circular groove in the middle of the gear ring, the lower end of the jaw is rotatably connected on a shell of the dental floss rod body, the spring is respectively propped against the inner wall of the shell of the dental floss rod body and one side of the jaw, the cam handle combination comprises a cam and a handle, the handle is connected with the cam and drives the cam to rotate, the cam is rotatably connected inside the dental floss rod body, and the cam is propped against the other side of the jaw; the claw is pressed by the spring and the cam to keep propping against the gear ring to realize self-locking.

2. A self-locking flosser in accordance with claim 1, wherein: the fixed column is provided with a lower pressure groove, and the sliding column is tightly nested on the lower pressure groove.

3. A self-locking flosser in accordance with claim 1, wherein: the spring is a truncated cone coil spring.

4. A self-locking flosser in accordance with claim 1, wherein: the material of the floss is ePTFE.