CN212879648U

CN212879648U - Dental floss device

Info

Publication number: CN212879648U
Application number: CN202020498186.9U
Authority: CN
Inventors: 谷雨虹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-23
Filing date: 2020-04-08
Publication date: 2021-04-06
Anticipated expiration: 2030-04-08
Also published as: TWM585133U

Abstract

The utility model discloses a dental floss device, be equipped with tightly pulling, two kinds of tension mode of elasticity, easily grip the control application of force, can simply and easily manual trade line, and removable dental floss book, the utility model discloses dental floss device easy operation especially can conveniently use in the cleanness of the inboard molar tooth slot in oral cavity. The utility model discloses a match the figurative holding rod of the similar toothbrush handle of people's oral cavity cleaning custom, arrange the utility model discloses the dental floss brace structure of developing the dental floss brace arm front end dental floss makes the dental floss can erect and prop on the dental floss fagging to can adopt the tight mode of pulling that makes the dental floss tighten as required, or adopt the elasticity mode that makes the dental floss keep certain extension elasticity space. In addition, the change of the holding rod is used for the creation, so that the utility model discloses can have at home use and carry two kinds of convenient characteristics of going out concurrently.

Description

Dental floss device

Technical Field

The utility model relates to a dental floss device, in particular to a dental floss device which has two winding tension modes, is convenient to be used in the rear molar teeth of the oral cavity and can be manually changed.

Background

Oral hygiene affects health, and the primary task to maintain oral hygiene is to remove debris from crevices of teeth, the best way to remove the debris is to use dental floss. However, since many people cannot use dental floss, they can only use toothpick or floss stick to remove food dregs stuck in the gaps between teeth, but toothpick is easy to damage gums and can make the gaps between teeth bigger after long-term use, floss stick is difficult to hold and dental floss is generally thick and astringent, the application of force is difficult to grasp when using, and the teeth and gums can be damaged by carelessness, especially when used in the gaps between teeth of molars located at the inner sides of oral cavity. Furthermore, the dental floss stick is discarded after one use, which is not very environmentally friendly, and in order to prevent the spread of bacteria in the crevice, the dentist advises that each crevice gap is to be used with a clean dental floss segment, i.e. if the dental floss stick is used correctly in the manner advised by the dentist, one floss stick is required for each crevice cleaning, which makes it self evident that the consumption of the dental floss stick is high.

Based on the above inconvenience, various dental floss holders and dental floss devices have been developed to help children or adults who do not use fingers to wrap and clean molar teeth inside the oral cavity or have difficulty in using the dental floss devices, so that they can use the dental floss devices to assist in cleaning gaps between teeth, thereby achieving the purpose of oral hygiene and health care.

Although there are many models of the existing flossers on the market, the use of the flossers has not been popularized yet because there are still some defects in practical operation and use related to the elasticity of the floss and the convenience in use, and there are many spaces to be improved and created.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dental floss device which is easy to operate and use, especially convenient to use at the rear molar teeth, accords with the use habit of the elbows and wrists of people, and is economic, environment-friendly and convenient to carry. The utility model develops two dental floss tension modes (a tightening mode and an elastic mode with restoring elasticity), and different dental floss tension modes can be selected according to the position of the tooth gaps and the sizes of the tooth gaps, so that the dental floss can be more easily embedded into the tooth gaps at proper angles and by correct force application, and the gum is prevented from being damaged due to improper force application; in addition, the dental floss head (or two ends of the dental floss) of the utility model can be stably embedded and retracted and is not easy to loosen; the dental floss device of the utility model has very short dental floss length, and the dental floss roll can be easily replaced, thus achieving the effects of environmental protection, economy and simple and convenient use.

The following technical means are to achieve the above purpose and effect:

a dental floss device comprises a floss supporting arm part and a holding rod:

a dental floss supporting arm part which is formed by connecting a Y-shaped connecting arm with a left dental floss supporting plate and a right dental floss supporting plate respectively, and the lower part of the dental floss supporting arm part is connected with a holding rod;

two dental floss supporting plates which are thin plates for supporting and fixing dental floss at left and right sides, wherein dental floss through openings are respectively formed below the front ends of the two dental floss supporting plates for the dental floss to be sleeved in, the whole surfaces of the dental floss supporting plates need to be smooth, the front ends of the two dental floss supporting plates are slightly narrow, the rear ends of the two dental floss supporting plates are wider and round, the middle parts of the outer sides of the two dental floss supporting plates are slightly sunken inwards to form a shallow groove, and one or two positioning buttons are built on the shallow groove for the dental floss to; the whole board surface is made of hard and difficult-to-break materials, so that various elements such as the thickness of the board surface and positioning buttons on the board surface can be thinner and firmer during manufacturing, and the board is convenient to use;

the dental floss positioning button is positioned on the dental floss supporting plate and has two types, one is fixedly connected with the positioning button (fixedly connected on the dental floss supporting plate in a tightening mode), the other is movable positioning button (in an elastic mode, and can move up and down to provide a proper elastic space), and the dental floss positioning button mainly comprises a cap cover and a shaft neck fixedly connected below the cap cover and used for winding the dental floss; the cap of the positioning button is required to be smooth without any roughness or sharp corner, the shaft neck of the positioning button is short and has small diameter, and the winding space can be pressed, so that the dental floss is overlapped and pressed tightly and is not easy to loosen when the dental floss is wound; the dental floss positioning button is provided with a thread inserting gap for inserting and hanging the head or the tail end of the dental floss on one side of the cap, when the dental floss is wound on the shaft neck of the positioning button, the dental floss is bent and inserted into the thread inserting gap, and the effect of tightening the dental floss is enhanced by means of the angle component force and the friction force clamped by the thread inserting gap, so that the dental floss can be fixed and tightened without loosening; the fixed connection positioning button is a dental floss positioning button fixedly connected in a shallow groove at the outer side of the two dental floss supporting plates, the left dental floss supporting plate and the right dental floss supporting plate are respectively provided with a fixed connection positioning button, and when two ends of the dental floss are respectively wound on the fixed connection positioning buttons on the left dental floss supporting plate and the right dental floss supporting plate, a tightening mode of a tightening state is presented;

the movable positioning button is only arranged on a dental floss supporting plate at one end (the non-dental floss extraction end is generally the right end), is positioned below the fixed positioning button fixedly connected with the dental floss supporting plate and is a dental floss positioning button capable of moving up and down, the outer side of the movable positioning button is a cap cover fixedly connected with a shaft neck, a strip hole for the shaft neck to pass through and move up and down is formed in the dental floss supporting plate provided with the movable positioning button, and the shaft neck of the movable positioning button passes through the strip hole and is fixedly connected with a bottom cover at the inner side of the dental floss supporting plate so that the movable positioning button can move up and down in the strip hole; the movable positioning girl provides proper elastic recovery of the dental floss, so that the dental floss is easier to be embedded into rear molar teeth, and the force application is easier to master to avoid gum damage.

The movable positioning button is sleeved with a compression spring on the shaft neck, and the other end of the spring is sleeved on the shaft neck fixedly connected with the positioning button above the movable positioning button; when one end of the dental floss is wound on the fixed positioning button on the left dental floss supporting plate and the other end is wound on the movable positioning button on the right supporting plate, the dental floss can present an elastic mode with a certain elastic space; a compression spring, the elasticity of which can not be too loose, a certain pressure is necessary to provide proper elasticity, and the compressible limit of which is also controlled within a certain interval, when the dental floss is pressed down, the dental floss supporting plate can only be pressed down to about half of the tooth height;

wherein the holding rod is formed by combining an upper rod body and a handle capable of containing dental floss into a whole or connecting and combining the rod body and the handle; the handle for holding the dental floss has a semicircular holding groove, an outer cover is arranged at the outer side of the holding groove for closing the holding groove, a wire outlet for drawing out the dental floss is arranged above the holding groove, and a scraping blade is arranged above the wire outlet.

Wherein the outside of the scraping piece on the holding rod is coated with a layer of soft protective material; the positioning button cap is also covered with a layer of soft protective material.

Wherein two sleeves are sleeved outside the compression spring.

A dental floss device comprises a floss supporting arm part and a holding rod:

the left dental floss supporting plate is hollow and is communicated with the connecting arm and the holding rod, the left dental floss supporting plate is thinner than the right dental floss supporting plate because the dental floss fixing device is not arranged, the front end of the left dental floss supporting plate is provided with a wire outlet hole, a dental floss through opening is arranged below the wire outlet hole, and a soft sleeve cover is sleeved on the wire outlet hole;

the right dental floss supporting plate is of a thin plate structure with a narrow front end and a wide back, a strip hole is formed in the center of the wide back part, a dental floss penetrating port for the dental floss to penetrate is formed in the bottom surface of the front part and is symmetrically parallel to the dental floss penetrating port on the left dental floss supporting plate, the right side plate surface of the dental floss supporting plate behind the dental floss penetrating port is slightly inwards sunken to form a shallow groove, two dental floss positioning buttons are arranged in the groove in a front-to-back mode, the positioning button is fixedly connected with the positioning button in the front part and movable in the back part and mainly comprises a cap and a shaft neck below the cap, and one side of the positioning button on the cap is provided with a wire embedding gap for the dental floss at the tail end to;

the button is fixedly connected with the right dental floss positioning plate, when a user wants to tighten the dental floss, the dental floss can be wound on the button to achieve the effect of tightening the dental floss;

the movable positioning button is positioned on the right dental floss positioning plate and fixedly connected with the rear part of the positioning button, and the shaft neck of the button passes through the strip hole and is fixedly connected with a bottom cover, so that the movable positioning button can move up and down in the strip hole;

a compression spring, which is arranged between the two positioning buttons of the right dental floss supporting plate, two sleeves are sleeved outside the compression spring, one end of the spring is sleeved on the shaft neck of the movable positioning button, and the other end of the spring is sleeved on the shaft neck fixedly connected with the positioning button;

the holding rod comprises a rod body and a handle part, the whole structure is hollow, and the rod body is provided with a scraping blade capable of cutting dental floss;

the outer part of the handle part is sleeved with a sliding rail by a sliding chute to seal the whole handle body, a ratchet wheel braking mechanism and a dental floss containing groove are arranged in the handle part, dental floss can be drawn out from the dental floss containing groove, passes through the connecting arm by the hollow rod body and then passes out from a wire outlet hole at the top end of the left dental floss supporting plate, and then can be spanned in dental floss through openings of the two dental floss supporting plates;

the sliding chute is connected with the dental floss containing groove, and a buckling hole is arranged at the position, which is opposite to the tail end of the handle, above the sliding chute; the sliding rail is positioned below the handle part and is connected with the tail end of the handle, the tail end of the handle is provided with a buckle which can be buckled with a buckle hole preset on the sliding chute, and the side wall inside the sliding rail is provided with a ratchet wheel braking mechanism;

the ratchet wheel braking mechanism is characterized in that a shaft column is fixedly arranged on the side wall of the slide rail, a ratchet wheel is sleeved in the shaft column, a ratchet wheel sleeve is connected to the ratchet wheel, a tooth thread coil can be sleeved on the ratchet wheel sleeve, a braking pawl is arranged above the ratchet wheel, two grooves are formed in a handle body above a tooth thread accommodating groove at the end of the sliding groove in a matching mode with the position of the pawl, a sliding switch cover is arranged on each groove, a braking stop block is connected to the lower portion of the sliding switch cover, when the sliding switch cover slides to the bottom, the braking stop block is just pressed on the braking pawl, the pawl is clamped on the ratchet of the ratchet wheel, and the ratchet wheel cannot rotate in the forward direction, so that the purpose that the dental floss cannot be pulled out of the tooth thread coil.

After the dental floss roll is used, a new dental floss roll can be replaced, and the dental floss can be threaded to the wire outlet hole by matching the wire leading ring, so that the purpose of spanning the dental floss through the mouth is achieved; the lead ring is a hard lead with a circular end, and the length of the lead needs to pass through the rod body and the connecting arm from the dental floss containing groove of the handle part and can pass through a wire outlet hole at the top end of the left dental floss supporting plate.

A dental floss device comprises a floss supporting arm part and a holding rod:

the dental floss positioning button is positioned on the dental floss supporting plate and has two types, one is fixedly connected with the positioning button, the other is a movable positioning button and mainly comprises a cap and a shaft neck fixedly connected below the cap and used for winding the dental floss; the cap of the positioning button is required to be smooth without any roughness or sharp corner, the shaft neck of the positioning button is short and has small diameter, and the winding space can be pressed, so that the dental floss is overlapped and pressed tightly and is not easy to loosen when the dental floss is wound; one side of the dental floss positioning button on the cap is provided with a gap for embedding and hanging the head of the dental floss or the tail end of the dental floss, and the dental floss fastening effect is enhanced by clamping the gap; the fixed connection positioning button is a dental floss positioning button fixedly connected in a shallow groove at the outer side of the two dental floss supporting plates, the left dental floss supporting plate and the right dental floss supporting plate are respectively provided with a fixed connection positioning button, and when two ends of the dental floss are respectively wound on the fixed connection positioning buttons on the left dental floss supporting plate and the right dental floss supporting plate, a tightening mode of a tightening state is presented;

the movable positioning button is only arranged on the dental floss supporting plate at one end, is positioned below the fixedly connected positioning button on the dental floss supporting plate and is a dental floss positioning button capable of moving up and down, the outer side of the movable positioning button is a cap cover, a shaft neck is fixedly connected, a strip hole for the shaft neck to pass through and move up and down is formed in the dental floss support provided with the movable positioning button, the shaft neck of the movable positioning button penetrates through the strip hole and is fixedly connected with a bottom cover at the inner side of the dental floss supporting plate, so that the movable positioning button can move up and down in the strip hole without falling off;

the movable positioning button is sleeved with a compression spring on the shaft neck, and the other end of the spring is sleeved on the shaft neck fixedly connected with the positioning button above the movable positioning button; when one end of the dental floss is wound on the fixed positioning button on the left dental floss supporting plate and the other end is wound on the movable positioning button on the right supporting plate, the dental floss can present an elastic mode with a certain elastic space;

a compression spring, the elasticity of which can not be too loose, a certain pressure is necessary to provide proper elasticity, and the compressible limit of which is also controlled within a certain interval, when the dental floss is pressed down, the dental floss supporting plate can only be pressed down to about half of the tooth height;

a holding rod, which is formed by a shell-shaped handle pin joint connecting rod, the upper part of the connecting rod is fixedly connected with a dental floss supporting arm integrally, the upper cover of the handle shell is pin joint connected with the tail end of the base, the front end of the handle shell is close to the pin joint part with the connecting rod, a corresponding buckle and a buckle hole are arranged in the upper cover and the lower cover, and the handle shell can be closed by the involutory buckle of the upper cover and the base;

the center of the back of the inner side of the base of the grab handle shell is provided with a bulge similar to a half wheel, the bulge is formed by inwards shrinking from the bottom surface of the base to the inner side of the base, the bottom surface of the base is an inwards shrinking space for the dental floss to be put in from the bottom surface of the base, a clamping groove is arranged in the groove, the groove is sealed by an arc-shaped groove cover provided with a buckle sheet, and the groove cover is provided with an outlet for the dental floss to be drawn out;

two sides of the raised part in the base form a hollow accommodating space for the two Y-shaped supporting arms above the dental floss device to be placed in; the shell upper cover has streamline radian and can cover and fold the connecting rod and the dental floss supporting arm which are arranged in the base, when the dental floss device is used, the dental floss supporting arm and the connecting rod can be pulled out and straightened from the base, and the cover is folded and buckled with the base to form a shell grab handle which can be held, the closed grab handle shell is matched with the dental floss supporting arm which is stretched out from the upper part, so that a user can pull out the dental floss from a dental floss groove on the base of the grab handle shell and fix the dental floss on the dental floss supporting arm for use; when the utility model is used and is to be stored,

the dental floss supporting arm and the connecting rod can be bent downwards and arranged in the base, and the upper cover is covered and buckled, so that the dental floss device can be integrally sealed to form a shell like a water drop or a American pear, and the carrying is convenient.

The casing upper cover buckle outside is provided with the little bellied splenium of pressing of a list of serration, when wanting to open the grab handle casing, only needs to press here, can make the buckle pop out from detaining in the hole.

The handle shell is pivoted with the connecting rod, so that the connecting rod and the shell can only bend forwards and stretch upwards for 180 degrees to be in a straight line.

The design purpose of the matching of the movable positioning button and the spring is as follows: when a general dental floss device is used on a molar part, because the top surface of a molar is large and square, the joint between teeth has a certain radian, and the tight dental floss is often only contacted with a protruding 'point' on the tooth surface. When the dental floss is pressed downwards, the dental floss (especially the molar teeth with the rear of the oral cavity in a square and round shape) arranged on the dental gap can form an arc line along the joint surface (dental gap) between the two molar teeth due to the compression space of the spring, at the moment, the contact between the dental floss and the dental gap to be clamped is a line rather than a point, and because the contact range between the dental floss and the dental gap is larger, a user can find out the point with larger gap to slide into the dental gap by adjusting the angle of the holding rod or sliding back and forth, so that the dental floss is easier to be embedded into the dental gap and can avoid the injury to the gum due to overlarge force application, and the elasticity of the dental floss can not damage the gum. In addition, the compression space of the spring is limited, so that the dental floss supporting plate for supporting the dental floss can only be pressed down to about half of the tooth height.

A holding rod, a scraping piece capable of cutting off the dental floss is arranged on the holding rod. The holding rod has two types, the first type is a shape similar to a toothbrush holding rod, the holding handle part is designed into a space for holding the dental floss, and the holding handle part and the rod body connected with the upper part are integrally formed. The reason for designing the dental floss holder as the shape of the toothbrush holder is that people use a toothbrush to brush teeth deeply in the oral cavity every day, and the use of the toothbrush holder is very customary, so if the dental floss holder is also adopted, the dental floss holder is easier and simpler for people to hold the dental floss holder by applying fingers and wrists, and hold the dental floss holder at an angle and applying force.

The fixed positioning button can be fixed on the left and right floss supporting plates (as in the second or third embodiment), and a floss section is tightly wound on the fixed positioning buttons at the left and right ends, so that the floss can be stably tensioned and supported on the flosser, and a good flossing effect is achieved. If the extracting end of the dental floss is provided with a fastening mechanism (as in the first embodiment), the dental floss can be directly extracted and sleeved through the dental floss penetrating opening at the front end of the dental floss supporting plate only by arranging the fixed connection positioning button above the dental floss supporting plate at the other end, and then the dental floss is wound on the fixed connection positioning button to achieve the effect of fastening the dental floss. In addition, if the dental floss is in an elastic mode, one end of the dental floss can be wound on the fixed positioning button or fixed by the fastening mechanism, and the other end of the dental floss is wound on the movable positioning button, so that proper elasticity can be provided, and the cleaning of the tooth gaps of rear molar teeth is more convenient.

The holding rod of the toothbrush of the utility model is formed by combining the rod body above and the handle which can contain dental floss into a whole or connecting and combining the rod body and the handle. The holding rod is provided with a scraping piece, and the scraping piece is coated with a layer of soft protective material, so that the skin is prevented from being scratched due to sharp outer edge of the scraping piece. The scraping piece is matched with the extraction mode of the dental floss and can be arranged at the connection part of the top end of the rod body of the holding rod and the supporting arm part of the dental floss, so that the dental floss can be conveniently cut off after being used.

The handle has a dental floss holding part at the end, which is sleeved with a sliding groove by a sliding rail, the sliding groove is located below the handle and can be integrated with the rod body above the handle, the end of the sliding rail is connected with a buckle, after the sliding rail is pushed into the sliding groove, the buckle can be embedded into a preset buckle hole of the sliding groove, and the outer walls of the two can be butted and sealed to seal the inner space. The inner side of the slide rail is provided with a ratchet mechanism, the dental floss roll is sleeved on the ratchet sleeve, so that the dental floss roll can only rotate in one direction, two grooves are formed above the sliding groove, a sliding switch cover is arranged on the sliding groove, a stop block is connected below the sliding switch cover, the stop block is abutted against a braking pawl of the ratchet by pushing the sliding switch cover, the dental floss can be fixedly positioned, and the sliding switch cover is pushed back to enable the stop block to be separated from the pawl, so that the dental floss can be extracted by rotating in the forward direction.

After the dental floss is wound out from the dental floss roll, the floss head passes through the Y-shaped connecting arm from the handle along the hollow rod body and then penetrates out from the dental floss supporting plate, and the dental floss head is spanned on the penetrating opening of the dental floss supporting plate and is wound and fixed by the positioning button. When the dental floss is used to be stern, the removable new line book is passed through the holding rod and is worn out from dental floss brace arm portion for the dental floss of being convenient for, the utility model has the advantages of a lead wire pull ring, borrow this pull ring is supplementary, can wear out the dental floss simply, and reach the purpose of trade line.

The dental floss holding mode of the holding rod of the present invention is different from the above-mentioned one in which the ratchet wheel is used to set the locking mechanism, and the dental floss holding groove is simply formed at the end of the handle, and the groove cover is provided with a wire outlet for the dental floss to be drawn out for use (as in the second embodiment).

The utility model is also provided with a foldable holding rod, which can fold the dental floss device into a shape similar to a water drop or a western pear, thereby being convenient for carrying.

The foldable holding rod is formed by a connecting rod pivoted with a shell similar to a water drop or a western pear shape, the shell capable of being used as a holding handle is formed by an upper cover and a base pivoted at one end, and the other end is buckled to form an accommodating space capable of being opened and closed. The back center of the inner side of the base is provided with a bulge similar to a half wheel, the bulge is formed by inwards shrinking from the bottom surface of the base to the inner side of the base, the bottom surface of the base is an inwards shrinking space, dental floss can be placed into the space from the bottom surface of the base to form a dental floss groove, a clamping groove is arranged in the groove, the dental floss groove is sealed by an arc-shaped groove cover provided with a buckle piece, and the groove cover is provided with a wire outlet for the dental floss to be drawn out. The inside of the base, such as the two sides of the raised part of the wheel, form a hollow containing space for the two Y-shaped supporting arms above the dental floss device to be put in.

The handle shell is covered with a streamline radian and can cover and fold a connecting rod and a dental floss supporting arm which are arranged in the base; the upper cover of the handle shell is pivoted with the base at the rear end, the upper cover and the base can be correspondingly integrated in a shape with a narrow front part and a wide rear part, and the upper cover and the base can be mutually butted and buckled by a buckling structure arranged at the front end. When the dental floss device is to be used, the folded dental floss supporting arm and the connecting rod can be pulled out upwards and straightened from the base, and the upper cover is folded and buckled with the base, so that a handle of a water drop type shell can be formed; when the dental floss holder is used and is to be stored, the dental floss supporting arm and the connecting rod can be bent downwards to be arranged in the base, the upper cover is covered and buckled, and the whole dental floss holder is sealed into a water drop shape so as to be convenient to carry outside.

The utility model has the advantages that: the utility model discloses a match the figurative holding rod of the similar toothbrush handle of people's oral cavity cleaning custom, arrange the utility model discloses the dental floss brace structure of developing the dental floss brace arm front end dental floss makes the dental floss can erect and prop on the dental floss fagging to can adopt the tight mode of pulling that makes the dental floss tighten as required, or adopt the elasticity mode that makes the dental floss keep certain extension elasticity space. In addition, the change of the holding rod is used for the creation, so that the utility model discloses can have at home use and carry two kinds of convenient characteristics of going out concurrently.

Drawings

Fig. 1 is a perspective view of a flosser according to a first embodiment of the present invention.

Fig. 2a is a schematic cross-sectional view of the right floss supporting plate of the flosser of the present invention.

Fig. 2b is an inner (left) side view of the right floss supporting plate of the flosser of the present invention.

Fig. 3 is a three-dimensional exploded view of the right floss supporting plate of the flosser of the utility model.

Fig. 4 is a schematic view of the first embodiment of the dental floss device of the present invention in use

Fig. 5 is a schematic exploded view of a handle portion of a first embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view of a grip portion according to a first embodiment of the present invention.

Fig. 7 is a perspective view of a flosser according to a second embodiment of the present invention.

Fig. 8 is a perspective view of a flosser according to a third embodiment of the present invention.

Fig. 9 is a schematic view of a third embodiment of the present invention showing a bottom dental floss groove in a folded and closed state.

Fig. 10 is a perspective view of a third embodiment of the present invention in a half-open state.

Fig. 11 is a schematic view of the opening mode of the third embodiment of the present invention.

Fig. 12 is a schematic plan view of the third embodiment of the present invention after deployment.

Detailed Description

Referring to fig. 1 to 6, the first embodiment of the present invention is a Y-shaped streamline rod, which can be roughly divided into two parts: a dental floss arm supporting part (3) and a holding rod (2). The connection part of the upper part of the holding rod (2) and the dental floss supporting arm (3) is provided with a scraping blade (4) capable of cutting off the dental floss, and the outer layer of the scraping blade (4) is coated with a soft material (such as rubber) to avoid scratching the skin.

The dental floss supporting arm part (3) is of a structure that two arms are spread like a fork, the two supporting arms are mutually symmetrical, and the supporting arms can be divided into two parts: the connecting arm (33) is connected with the dental floss supporting plates (31, 31 a). The connecting arm (33) extends towards the left and the right near the end of the holding rod; dental floss supporting plates (31, 31a) connected to the connecting arm (33) and slightly parallel to the holding rod (2). Referring to fig. 1, the space between the left dental floss supporting plate (31a) and the right dental floss supporting plate (31) is about 2.5 cm, the left dental floss supporting plate (31a) is hollow and is communicated with the connecting arm (33) and the holding rod (2), the left dental floss supporting plate (31a) is not provided with a dental floss fixing device, so the left dental floss supporting plate can be thinner than the right dental floss supporting plate (31), the front end of the left dental floss supporting plate (31a) is provided with a wire outlet hole (321), when the dental floss is pulled out from the holding rod (2) by a wire ring (5) for sleeving the dental floss at the first time of replacing the floss, the dental floss can be bent and sleeved into the dental floss through holes (311) on the left and right dental floss supporting plates after the dental floss passes through the hole, and the dental floss (8) can be wound and fixed on the positioning buttons (35, 36) of the right dental floss supporting plate (31). In order to seal the wire outlet hole (321) and make the outer surface of the left dental floss supporting plate (31a) smooth and without sharp corners, a soft cover (32) is sleeved on the wire outlet hole (321).

Referring to fig. 3, the right dental floss supporting plate (31) is a thin plate structure with a narrower front end and a wider rear end, a central part of the wider rear portion is provided with a strip of hole (312), a dental floss penetrating port (311) for penetrating the dental floss is arranged on the bottom surface of the front portion, the right (outer) side plate surface of the dental floss supporting plate (31) behind the dental floss penetrating port (311) is slightly recessed inwards to form a shallow groove, two dental floss positioning buttons (35, 36) are arranged in the groove in a front-back manner, the dental floss positioning buttons (35, 36) are composed of cap caps (351, 361) and shaft necks (352, 362) below the cap caps (351, 361), the positioning buttons (35, 36) are provided with a wire embedding gap (353, 363) for embedding and hanging the tail end of the dental floss, when the dental floss is wound around the shaft necks of the positioning buttons, the dental floss is embedded into the wire embedding gap, and the dental floss fastening effect can be enhanced by means of angle component force and friction force of the wire embedding gap, furthermore, the dental floss can be firmly tightened without loosening.

A positioning button (35) is fixedly connected with the part close to the front dental floss penetrating opening (311), the button is fixedly connected with the right dental floss positioning plate (31), when a user wants to tighten the dental floss, the dental floss can be wound on the button to achieve the effect of tightening the dental floss; the larger of the cap (361) near the rear side is a movable positioning button (36), the shaft neck (362) of which passes through the bar hole (312) and then is fixedly connected with a bottom cover (364), so that the movable positioning button (36) can move up and down in the bar hole (312).

Referring to fig. 2, a compression spring (34) is disposed between two positioning buttons (35, 36), two sleeves (341) are sleeved outside the compression spring (34), one end of the spring (34) is sleeved on a shaft neck (362) of the movable positioning button (36), and the other end is sleeved on a shaft neck (352) fixedly connected to the positioning button (35).

Referring to fig. 4, when the dental floss (8) is wound around the movable positioning button (36), the dental floss (8) straddling between the two supporting arms is placed on the tooth gap and pushed downward, and the dental floss (8) is pulled upward to pull the movable positioning button (36), and the dental floss (8) still has a certain elastic space due to the elastic force of the spring, so that the movable positioning button (36) moves slightly forward.

The holding rod (2) of the first embodiment, please refer to fig. 1, which is mainly composed of a rod body (21) and a handle part (22), the whole structure is hollow, a ratchet wheel braking mechanism and a dental floss containing groove (221) are arranged in the handle part (22) for placing a dental floss roll (24), the dental floss can be drawn out from the dental floss containing groove (221), and the hollow rod body (21) penetrates through the connecting arm (33) and then penetrates out from the top end of the left dental floss supporting plate (31a), so as to be spanned in the dental floss through openings (311) of the two dental floss supporting plates (31, 31a), thereby achieving the purpose of being embedded in the dental floss for use.

Referring to fig. 5 and 6, the handle portion (22) is formed by a sliding groove (227) and a sliding rail (226) to connect and close the whole handle body. The sliding groove (227) is connected with the dental floss containing groove (221), and a buckling hole (224) is arranged at the position, which is butted with the tail end of the grab handle, above the sliding groove (227); the slide rail (226) is positioned below the handle part (22) and connected with the tail end of the handle, the tail end of the handle is provided with a buckle (225) which can be buckled with a preset buckle hole (224) on the slide groove (227), the side wall inside the slide rail (226) is fixedly provided with a shaft column (232), a ratchet wheel (23) is sleeved in the shaft column (232), the ratchet wheel (23) is connected with a ratchet wheel sleeve (231) which can sleeve the dental floss coil (24) on the ratchet wheel sleeve (231), the upper part of the ratchet wheel (23) is provided with a brake pawl (233), the handle body is provided with two grooves (235) above the dental floss accommodating groove (221) at the end of the slide groove (227) in cooperation with the position of the pawl (233), the groove (235) is provided with a slide switch cover (222), the lower part of the slide switch cover (222) is connected with a brake stopper (234), and when the slide switch cover (222) slides to the bottom, the brake stopper (234) is just pressed on the brake pawl (233), the ratchet (23) can not rotate forward by the pawl (233) being clamped on the ratchet of the ratchet (23), thereby achieving the purpose that the fixed dental floss can not be drawn out from the dental floss roll (24) to move.

Referring to fig. 5, the lead ring (5) is a hard lead with a circular end, and the length of the lead is required to pass through the shaft (21) and the connecting arm (33) from the handle portion floss accommodating groove (221) and to pass through a wire outlet hole (321) at the top end of the left floss supporting plate (31 a).

The dental floss at the front end part of the dental floss roll (24) is penetrated through the circular ring at one end of the lead ring (5), the dental floss can be pulled out from the wire outlet hole (321) of the left dental floss supporting plate (31a) by threading the lead ring (5) like a sewing needle (the soft sleeve cover (32) needs to be pulled out firstly), the dental floss is spanned on the dental floss penetrating port (311) at the front end of the dental floss supporting plates (31, 31a), and the soft sleeve cover (32) at the tail end of the left dental floss supporting plate (31a) can be covered back after the dental floss supporting is finished, so that the wire outlet hole (321) is sealed.

The first embodiment is used as follows: the sliding switch cover (22) is pushed upwards to enable the braking stop block (234) to leave the braking pawl (233), at the moment, the dental floss head can be pulled to enable the ratchet wheel (23) to drive the dental floss coil (24) to rotate to be out of the line, after the dental floss with proper length is drawn out, the sliding switch cover (222) is pushed back downwards to enable the stop block (234) to return to the position of the pressing pawl (233), and at the moment, the dental floss cannot be drawn again; when the dental floss is used in a tightening mode to tighten the dental floss, the dental floss can be tightened and bent to be embedded in the wire embedding gap (353) after the dental floss coil is wound on the fixed connection positioning button (35) on the right dental floss supporting plate (31), so that the purpose of tightening the dental floss for use can be achieved; if the elastic mode is to be used, the dental floss coil is wound on the movable positioning button (36), and then the dental floss is tightly pulled to be embedded and hung on the wire embedding gap (363), so that the dental floss has a certain elastic space.

When the dental floss is used or the dental floss segment is to be moved forwards, the used dental floss is taken down from the positioning buttons (35, 36), the sliding switch cover (222) is pushed upwards, the dental floss is pulled to be led out to the proper length, the used dental floss segment is cut off by the scraping blade (4), then the sliding switch cover (222) is pushed back, and the clean dental floss can be spanned on the dental floss through opening (311) and is wound and positioned for use as required.

Referring to fig. 7, a second embodiment of the present invention is similar to the first embodiment in its basic structure, but the embodiment is not provided with a ratchet brake mechanism, but still provided with a dental floss accommodating groove (28 '), but the accommodating groove (28 ') is only an accommodating space for simply accommodating dental floss, and the outer side of the accommodating groove is fastened by an outer cover (26 ') provided with a buckle, and the accommodating groove (28 ') is provided with a wire outlet (27 ') for extracting dental floss, and a scraper (29 ') is provided above the wire outlet (27 ').

In addition, the left dental floss supporting plate (31b ') and the right dental floss supporting plate (31') of the dental floss supporting arm part are symmetrical in shape, size and position, and are approximately the same as the size of a common toothbrush head, but the thickness is only about 0.5 cm, and the vertical distance between the two dental floss supporting plates is about 2.5 cm.

A fixed positioning button is arranged above the right dental floss supporting plate (31 '), a movable positioning button is arranged below the right dental floss supporting plate, the same as the first embodiment is also provided, the left (outer) side plate surface of the left dental floss supporting plate (31b ') is slightly recessed into a shallow groove, only a fixed positioning button (37 ') is fixedly arranged in the groove, and a thread inserting gap (373 ') is also marked on the cap cover of the positioning button (37 ').

The dental floss device of the second embodiment can pick up the dental floss segment from the outside, and the dental floss segment fixing frame can be supported on the dental floss device by the auxiliary tightening of the positioning buttons of the two supporting arms on the dental floss device and the wire embedding gaps on the positioning buttons.

When two ends of the dental floss are respectively wound on the fixedly connected positioning buttons at the left end and the right end, a tightening mode in a tightening state is presented; when one end of the dental floss is wound on the fixed positioning button (37 ') of the left dental floss supporting plate (31b ') and the other end is wound on the movable positioning button on the right dental floss supporting plate (31 '), the dental floss (8) has an elastic mode with a certain elastic compression space.

Referring to fig. 8 to 12, the third embodiment of the present invention utilizes the change of the handle portion to realize the foldable and portable structure of the present invention. The dental floss supporting arm of the embodiment is the same as the second embodiment, but the holding rod part is formed by a water drop shaped shell-shaped handle (7) which is pivoted with a connecting rod (21 '), the upper part of the connecting rod (21 ') is fixedly connected with the dental floss supporting arm integrally, an upper cover (71) of the handle shell (7) is pivoted with a base (72) at the tail end (73), the front end of the handle shell (7) is close to the pivoting part with the connecting rod (21 '), a corresponding buckle (711) and a corresponding buckle hole (721) are arranged in the upper cover and the lower cover, the handle shell (7) is formed by the upper cover (71) and the base (72) which are buckled in a matching way, a row of pressing parts (712) with fine tooth strip-shaped micro-bulges are arranged outside the buckle (711) of the upper cover, when the handle shell (7) is to, the buckle (711) can be popped out from the buckle hole (721) to achieve the purpose of conveniently opening and closing the shell.

Referring to fig. 10, the center of the rear inner side of the base (72) is provided with a protrusion (74) similar to a half wheel, the protrusion (74) is formed by retracting from the bottom surface of the base (72) to the inner side of the base (72), and the bottom surface of the base (72) is a retracted space for the dental floss to be inserted from the bottom surface of the base (72), which is a dental floss groove (74) of the embodiment, referring to fig. 9, a clamping groove (752) is arranged in the groove, and is sealed by an arc-shaped groove cover (75) provided with a buckle piece (751), and the groove cover is provided with a wire outlet (76) for the dental floss to be extracted.

Two sides of the raised part (74) in the base form a hollow containing space for the two Y-shaped supporting arms above the dental floss device to be put in. The housing upper cover (71) has a streamline curvature and can cover the connecting rod (21') and the dental floss supporting arm which are folded and arranged in the base (72). When the dental floss device is used, the dental floss supporting arm and the connecting rod (21') can be pulled out upwards and straightened from the base (72), the upper cover (71) is folded and buckled with the base (72) to form a grab handle of the water drop type shell, the closed water drop type grab handle (7) is matched with the dental floss supporting arm which is stretched from the upper part, and then a user can pull out the dental floss from a dental floss groove (74) on the base (72) of the grab handle shell and fix the dental floss on the dental floss supporting arm for use; when the dental floss holder is used and is to be stored, the dental floss supporting arm and the connecting rod (21') can be bent downwards and arranged in the base, and the upper cover (71) is covered and buckled, so that the dental floss holder can be integrally sealed to form a shell like a water drop, and the dental floss holder is convenient to carry and use.

To sum up, the dental floss device of the present invention can achieve the purpose of the present invention, and can be realized according to the new patent requirements of industrial applicability, novelty and progress, although the present invention discloses a plurality of preferred embodiments, but according to the present invention, the modification and change of the present invention shall still be covered in the scope of the present patent application.

Claims

1. A dental floss device comprises a floss supporting arm part and a holding rod: the method is characterized in that:

the dental floss positioning button is positioned on the dental floss supporting plate and has two types, one is fixedly connected with the positioning button, the other is a movable positioning button which mainly comprises a cap and a shaft neck fixedly connected below the cap and used for winding the dental floss; the cap of the positioning button is required to be smooth without any roughness or sharp corner, the shaft neck of the positioning button is short and has small diameter, and the winding space can be pressed, so that the dental floss is overlapped and pressed tightly and is not easy to loosen when the dental floss is wound; the dental floss positioning button is provided with a thread inserting gap for inserting and hanging the head or the tail end of the dental floss on one side of the cap, when the dental floss is wound on the shaft neck of the positioning button, the dental floss is bent and inserted into the thread inserting gap, and the tightening effect of the dental floss is enhanced by means of the angle component force and the friction force clamped by the thread inserting gap; the fixed connection positioning button is a dental floss positioning button fixedly connected in a shallow groove at the outer side of the two dental floss supporting plates, the left dental floss supporting plate and the right dental floss supporting plate are respectively provided with a fixed connection positioning button, and when two ends of the dental floss are respectively wound on the fixed connection positioning buttons on the left dental floss supporting plate and the right dental floss supporting plate, a tightening mode of a tightening state is presented;

the movable positioning button is only arranged on the dental floss supporting plate at one end, is positioned below the fixedly connected positioning button on the dental floss supporting plate and is a dental floss positioning button capable of moving up and down, the outer side of the movable positioning button is a cap cover, a shaft neck is fixedly connected, a strip hole for the shaft neck to pass through and move up and down is formed in the dental floss supporting plate provided with the movable positioning button, the shaft neck of the movable positioning button penetrates through the strip hole and is fixedly connected with a bottom cover at the inner side of the dental floss supporting plate, so that the movable positioning button can move up and down in the strip hole without being separated;

the movable positioning button is sleeved with a compression spring on the shaft neck, and the other end of the spring is sleeved on the shaft neck fixedly connected with the positioning button above the movable positioning button; when one end of the dental floss is wound on the fixed positioning button on the left dental floss supporting plate and the other end is wound on the movable positioning button on the right supporting plate, the dental floss can present an elastic mode with an elastic space; a compression spring, the elasticity of which cannot be too loose, the pressure is required to provide proper elasticity, and the limit of the compressibility of which is also controlled within the interval, when the dental floss is pressed down, the dental floss supporting plate can be pressed down to about half of the tooth height;

a holding rod, a scraping piece capable of cutting off the dental floss is arranged on the holding rod.

2. The flosser of claim 1 wherein: the holding rod is formed by combining an upper rod body and a handle capable of containing dental floss into a whole or connecting and combining the rod body and the handle; the handle for holding the dental floss has a semicircular holding groove, an outer cover is arranged at the outer side of the holding groove for closing the holding groove, a wire outlet for drawing out the dental floss is arranged above the holding groove, and a scraping blade is arranged above the wire outlet.

3. The flosser of claim 1 wherein: a layer of soft protective material is coated outside the scraping piece on the holding rod; the positioning button cap is also covered with a layer of soft protective material.

4. The flosser of claim 1 wherein: two sleeves are sleeved outside the compression spring.

5. A dental floss device comprises a floss supporting arm part and a holding rod: the method is characterized in that:

6. The flosser of claim 5 wherein: after the dental floss roll is used, a new dental floss roll can be replaced, and the dental floss can be threaded to the wire outlet hole by matching the wire leading ring, so that the purpose of spanning the dental floss through the mouth is achieved; the lead ring is a hard lead with a circular end, and the length of the lead needs to pass through the rod body and the connecting arm from the dental floss containing groove of the handle part and can pass through a wire outlet hole at the top end of the left dental floss supporting plate.

7. A dental floss device comprises a floss supporting arm part and a holding rod: the method is characterized in that:

the movable positioning button is sleeved with a compression spring on the shaft neck, and the other end of the spring is sleeved on the shaft neck fixedly connected with the positioning button above the movable positioning button; when one end of the dental floss is wound on the fixed positioning button on the left dental floss supporting plate and the other end is wound on the movable positioning button on the right supporting plate, the dental floss can present an elastic mode with an elastic space;

a compression spring, the elasticity of which cannot be too loose, the pressure is required to provide proper elasticity, and the limit of the compressibility of which is also controlled within the interval, when the dental floss is pressed down, the dental floss supporting plate can be pressed down to about half of the tooth height;

8. The flosser of claim 7 wherein: the casing upper cover buckle outside is provided with the little bellied splenium of pressing of a list of serration, when wanting to open the grab handle casing, only needs to press here, can make the buckle pop out from detaining in the hole.

9. The flosser of claim 7 wherein: the handle shell is pivoted with the connecting rod, so that the connecting rod and the shell can only bend forwards and stretch upwards for 180 degrees to be in a straight line.