CN219480403U - Portable two-way dental floss box - Google Patents

Abstract

The utility model relates to a portable bidirectional dental floss box, which comprises an upper shell and a bottom shell, wherein the upper shell and the bottom shell are detachably clamped and formed with a containing cavity, and the top of the upper shell is provided with a top through hole communicated with the containing cavity and a sliding block arranged in the top through hole in a sliding way; the bottom of the upper shell is correspondingly provided with two conveying pieces in a sliding manner at two sides corresponding to the sliding direction of the sliding block, the conveying pieces are abutted against the sliding block through the sliding of the sliding block, the two conveying pieces are connected through a first telescopic spring, and the upper shell is provided with upper shell through holes at two opposite side walls corresponding to the sliding direction of the sliding block; the bottom of the upper shell is also provided with a limiting piece for limiting the two conveying pieces to slide in the same direction, and the limiting piece and the inner side wall of the upper shell form a containing chamber for placing dental floss; the bottom shell is provided with an elastic pressing piece at a position corresponding to the accommodating chamber. The utility model has simple structure, the two ends of the telescopic spring can be switched between the free end and the fixed end, and the automatic reset can be realized, thereby being convenient for the use of the dental floss box.

Description

Portable two-way dental floss box

Technical Field

The utility model relates to a dental floss box, in particular to a portable bidirectional dental floss box.

Background

Dental floss sticks are used to remove dirt hidden in the crevices or gingival sulcus to keep the mouth clean. At present, due to the shape and packaging limitation of the dental floss rod, either a single package is inconvenient to carry or a plurality of pressing line rods are arranged in a dental floss box for use, however, the existing dental floss box is relatively large in size and inconvenient to carry and use, and in the use process, one of the dental floss rods is directly opened, the dental floss box is taken by hands to be placed in the dental floss box, and in this case, the dental floss rod is easy to fall from the dental floss box; another approach is to employ a telescoping structure to transport the floss rod out of the cartridge. In the prior art, the telescopic structure is usually realized by adopting a telescopic spring. Because the spring is fixed at one end in the telescoping process to form a free end with the other end being movable, telescoping is realized through the free end. One end of the telescopic spring is fixed, the other end of the telescopic spring is used as a free end to realize the telescopic operation in the single side direction well, but for a mechanism which can be telescopic in two opposite directions, in the prior art, the telescopic operation in two directions cannot be realized by utilizing a single spring, for example, a portable bidirectional dental floss box disclosed in patent CN217772564U is structurally characterized in that an elastic rod is adopted, two ends of the elastic rod are fixed on an upper cover to form a fixed end, a shifting block is connected in the middle to form the free end, the fixed end and the free end of the elastic rod cannot be changed, a wire pushing block is driven to push out a dental floss rod through the shifting of the shifting block, a structure similar to the structure that two elastic pieces apply force to one component simultaneously is formed, and according to the law of elasticity, the elastic action of the two elastic pieces is compared with the elastic action of one elastic piece, at the moment, larger pushing force is required to be applied, so that the portable bidirectional dental floss box is inconvenient to use, and in the structure, the elastic rod is restored to move in the opposite directions, so that the problem of pushing out the dental floss rod in the opposite directions is possibly caused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a portable bidirectional dental floss box.

The technical scheme adopted for solving the technical problems is as follows: the portable bidirectional dental floss box comprises an upper shell and a bottom shell which are detachably clamped to form a containing cavity, wherein a strip-shaped top through hole communicated with the containing cavity is formed in the top of the upper shell, and a sliding block which is arranged in the top through hole in a sliding mode is further arranged at the top of the upper shell; the bottom of the upper shell is correspondingly provided with two conveying pieces for conveying dental floss in a sliding manner on two sides corresponding to the sliding direction of the sliding block, the conveying pieces are propped against the sliding block through the sliding of the sliding block, the two conveying pieces are connected through a first telescopic spring, and the upper shell or the bottom shell is respectively provided with an upper shell through hole for the conveying pieces to penetrate out on two opposite side walls corresponding to the sliding direction of the sliding block; the bottom of the upper shell is also provided with a limiting piece for limiting the two conveying pieces to slide in the same direction, and the limiting piece and the inner side wall of the upper shell or the bottom shell form a containing chamber for placing dental floss; the bottom shell is provided with an elastic pressing piece at a position corresponding to the accommodating chamber.

Preferably, the tail of the conveying member is of an n-type structure, one side of the tail of the conveying member on the inner side is abutted against the sliding block, the front end of the conveying member downwards extends to form a baffle which is perpendicular to the conveying member and is higher than the surface of the conveying member, and the baffle is matched with the through hole of the upper shell in size.

Preferably, the bottom of the upper shell is also provided with an arc-shaped stop block in the n-type structure of the conveying piece.

Preferably, the limiting piece is provided with two middle positions which are positioned at two sides of the long side direction of the top through hole, and the bottom of the upper shell is also provided with a baffle plate which is positioned on the same horizontal line with the limiting piece at a position corresponding to the front end of the conveying piece.

Preferably, the baffle plate and/or the inner side wall of the upper shell or the bottom shell are/is extended with a lug, and the lug and the bottom surface of the upper shell are/is formed with a chute for sliding the conveying piece.

Preferably, the bottom of the sliding block is extended to form an extension pin inserted into the top through hole, and the side walls of the extension pin corresponding to the two long sides of the top through hole are provided with buckles.

Preferably, a clamping groove or an extending foot through hole is formed in the bottom of the extending foot, and the first telescopic spring is arranged in the clamping groove or the extending foot through hole.

Preferably, the opposite sides of the two conveying members are respectively provided with a containing groove for containing the first telescopic spring.

Preferably, the elastic pressing piece comprises a fixed column arranged on the bottom shell and positioned on the same horizontal line with the limiting piece, a second telescopic spring sleeved on the fixed column, and a pressing plate which is abutted to the top of the second telescopic spring and is limited and slidably arranged on the fixed column and extends to the accommodating chamber.

Preferably, the two conveying members are arranged at the bottom of the upper shell in a limiting sliding manner, and a limiting sliding groove and a limiting block which are matched and sliding are arranged at the bottoms of the conveying members and the upper shell.

The utility model has the beneficial effects that: the dental floss rod is placed by adopting the accommodating cavity formed between the upper shell and the bottom edge, so that the storage of the dental floss rod is facilitated, and meanwhile, the dental floss rod is pushed out of the accommodating cavity in different directions through the sliding block, the limiting piece and the two conveying pieces, so that the dental floss rod is convenient to carry and use. The two conveying members are connected through the telescopic spring, the conveying members can automatically return to the accommodating cavity after pushing the dental floss rod through the elastic force of the telescopic spring, the two ends of the telescopic spring can be switched between the free end or the fixed end, the sliding block is arranged between the two conveying members and can be abutted against the two conveying members after sliding, the sliding block can buffer acting force in the rebound process of the conveying members, and meanwhile, the limiting member is utilized to limit the acting force, so that the rebound conveying members cannot influence the other conveying members in the rebound process, and the problem that the dental floss rod in the other direction is pushed out due to the rebound force is avoided. The slider slides leftwards and promotes left side conveying piece slip when receiving left effort, and right side conveying piece will restrict its left side slip under the spacing effect of locating part to form telescopic spring's fixed point, left side conveying piece slip will stretch telescopic spring, and effort disappearance left side conveying piece will resume initial condition under telescopic spring's elasticity effect, just so realized the release and the automatic re-setting of dental floss stick in the dental floss box through telescopic spring's flexible, made things convenient for the use of dental floss box.

Drawings

FIG. 1 is a schematic exploded view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an embodiment of the present utility model;

FIG. 3 is a schematic view of the bottom structure of the floss cartridge with the bottom shell removed, according to an embodiment of the utility model;

FIG. 4 is a schematic view showing the top surface of the bottom shell and the elastic pressing member according to the embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the bottom of the upper shell according to the embodiment of the present utility model;

FIG. 6 is a schematic view of the bottom structure of a slider according to an embodiment of the present utility model;

part names and serial numbers in the figure: 1-an upper shell 10-a top through hole 11-an upper shell through hole 12-a containing chamber 13-an arc-shaped stop block 14-a partition plate 15-a protruding block 16-a limiting block 2-a bottom shell 3-a sliding block 30-an extension pin 300-a buckle 301-a clamping groove 4-a conveying piece 40-a baffle 41-a containing groove 42-a limiting sliding groove 5-a first telescopic spring 6-a limiting piece 7-an elastic pressing piece 70-a fixing column 71-a second telescopic spring 72-a pressing plate 720-a sliding part 721-a pressing part.

Detailed Description

The present utility model will be further described in connection with the following examples which are to be construed as illustrative and not limiting the scope of the utility model. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments. Furthermore, directional terms, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., in the present utility model are used only with reference to the directions of the attached drawings, and are used for better and more clear description and understanding of the present utility model, not to indicate or imply the orientations that the present utility model must have, and thus should not be construed as limiting the present utility model.

The embodiment of the utility model is shown in fig. 1 to 6, and the portable bidirectional dental floss box comprises an upper shell 1 and a bottom shell 2 which are detachably clamped and formed with a containing cavity, a dental floss rod is placed by utilizing the containing cavity, other mechanisms are arranged, a dental floss box body is formed after the upper shell 1 and the bottom shell 2 are clamped, the portable bidirectional dental floss box is convenient to carry, the clamping structure can be realized by arranging clamping grooves on the inner side walls of the upper shell 1 or the bottom shell 2 and correspondingly arranging buckles on the bottom shell 2 or the upper shell 1, at the moment, any one of the upper shell 1 and the bottom shell 2 can be arranged as a shell with a containing groove, the other one can be arranged as a cover plate which is covered on the containing groove, a notch can be arranged at the edge of the cover plate for conveniently covering the cover plate, and the cover plate which is covered on the containing groove can be conveniently opened through the notch. When the dental floss rod is required to be placed in the accommodating cavity, the upper shell 1 and the bottom shell 2 are detached, and the upper shell and the bottom shell are clamped after the placement is finished. The top of the upper shell 1 is provided with a strip-shaped top through hole 10 communicated with the accommodating cavity, and the top of the upper shell 1 is also provided with a sliding block 3 which is arranged in the top through hole 10 in a sliding way, namely the sliding block 3 slides in the top through hole 10; the bottom of the upper shell 1 is correspondingly provided with two conveying pieces 4 for conveying dental floss in a sliding manner on two sides corresponding to the sliding direction of the sliding block 3, the conveying pieces 4 are used for conveying dental floss rods, when the dental floss rod is placed on the conveying pieces 4 in use, the two conveying pieces 4 are positioned on two sides of the sliding block 3, the two conveying pieces 4 adopt the same structure, the bottom of the upper shell 1 is symmetrically arranged, the sliding block 3 slides left and right, one conveying piece 4 is positioned on the left side of the sliding block 3, the other conveying piece 4 is positioned on the right side of the sliding block 3, the conveying pieces 4 are abutted with the sliding block 3 through the sliding of the sliding block 3, the sliding block 3 slides to one side and is abutted with the conveying pieces 4 on the side, and the conveying pieces 4 are pushed to slide, so that the dental floss rods are pushed out of the accommodating cavity, and at the moment, the sliding block 3 and the conveying pieces 4 on the other side are in a separated state. At the same time, the slider 3 can buffer the force during the rebound of the transport element 4. Two conveying members 4 are connected through a first telescopic spring 5, one end of the first telescopic spring 5 is connected to one conveying member 4, the other end of the first telescopic spring 5 is connected to the other conveying member 4, the two conveying members 4 and the first telescopic spring 5 form a whole, two ends of the first telescopic spring 5 can be switched between a free end and a fixed end, and the conveying member 4 can automatically return to the accommodating cavity after pushing a dental floss rod through the elastic force of the first telescopic spring 5. In order to make the structure more compact and miniaturized, two conveying members 4 are covered at the bottom ends of the top through holes 10, and the conveying members 4 and the sliding blocks 3 are positioned at two ends of the top through holes 10. The upper shell 1 or the bottom shell 2 is provided with upper shell through holes 11 for the conveying members 4 to penetrate through on two opposite side walls corresponding to the sliding direction of the sliding blocks 3, the upper shell 1 is a shell with a containing groove, and when the bottom shell 2 is a cover plate, the upper shell through holes 11 are arranged at positions, adjacent to the bottom of the containing groove, on the side walls of the upper shell 1; when the upper shell 1 is a cover plate and the bottom shell 2 is a shell with a containing groove, the upper shell through holes 11 are arranged on the side wall of the bottom shell 2 and are adjacent to the opening of the containing groove, two upper shell through holes 11 are arranged, two upper shell through holes 11 correspond to the two conveying pieces 4, one upper shell through hole 11 is positioned on the left side of the side wall of the upper shell 1 or the bottom shell 2, and the other upper shell through hole is positioned on the right side, so that the wire pressing rod can be conveniently pushed out from the left side or the right side; the bottom of epitheca 1 still is provided with the locating part 6 that is used for restricting two transport piece 4 syntropy slip, and locating part 6 just makes the transport piece 4 that kick-backs can not produce the influence to another transport piece 4 in the resilience in-process, just has avoided the dental floss stick of another direction to receive the problem production that the resilience force was released yet, and the both ends of first telescopic spring 5 just can switch between free end or stiff end, come to push out the dental floss stick to the different direction through slider 3, locating part 6 and two transport pieces 4 that set up and hold the cavity, facilitate the use. The limiting piece 6 is used for limiting the same-direction sliding of the two conveying pieces 4, and the limiting piece 6 limits the two conveying pieces 4 to slide in the same direction, that is to say, when the conveying piece 4 on the left side slides leftwards, the limiting piece 6 limits the conveying piece 4 on the right side to slide leftwards, so that the conveying piece 4 on the right side is in a static state. When the left conveying piece 4 is pushed by the sliding block 3 to slide leftwards, the first telescopic spring 5 can apply acting force to the right conveying piece 4, the right conveying piece 4 cannot slide leftwards to form the fixed end of the first telescopic spring 5 due to the limiting effect of the limiting piece 6, the first telescopic spring 5 is stretched, after the acting force applied by the sliding block 3 disappears, the left conveying piece 4 can slide rightwards to return to an initial state under the acting force of the first telescopic spring 5, and pushing out and automatic resetting of a dental floss rod in a dental floss box are realized through the expansion and contraction of the telescopic spring, so that the dental floss box is convenient to use. In order to avoid that the conveying members 4 push out the floss carrier by excessively forcing the conveying members 4 from the floss carrier when pushing out the floss carrier, the two conveying members 4 are arranged at the bottom of the upper shell 1 in a limited sliding manner, the bottoms of the conveying members 4 and the upper shell 1 are provided with a limit chute 42 and a limit block 16 which are matched and slide, the limit chute 42 and the limit block 16 form a limit mechanism for limiting the conveying members 4 to push out the floss carrier when pushing out the floss carrier, the limit chute 42 and the limit block 16 are arranged at the bottoms of the conveying members 4 and the upper shell 1 according to different using requirements, that is, the limit block 16 is arranged at the bottom of the upper shell 1, the limit chute 42 is arranged on the conveying members 4, the limit block 16 is preferably arranged at the bottom of the upper shell 1, the limit chute 42 is arranged on the conveying members 4, and note is that the limit block 16 is used for limiting the conveying members 4 when pushing out the floss carrier 4 from the floss carrier, and the limit member 6 is used for limiting the conveying members 4 on the other side to move in the same direction when pushing out the floss carrier from the floss carrier 4 to the floss carrier. The limiting member 6 and the inner side wall of the upper shell 1 or the bottom shell 2 form a receiving chamber 12 for placing dental floss, which means that a part of the conveying member 4 is positioned in a space corresponding to the receiving chamber 14, and then the shape and the structure of the conveying member 4 are set according to the shape of a dental floss rod, the structure of the receiving chamber 12 and the position structure of the limiting member 6, and the part can be an extension arm from which the conveying member 4 extends or a component connected to the conveying member 4; the bottom shell 2 is provided with the elastic pressing piece 7 at a position corresponding to the accommodating chamber 12, the elastic pressing piece 7 can be used for pressing the wire pressing rod in the accommodating chamber 12, and after the conveying piece 4 pushes out one wire pressing rod, the other wire pressing rod can be pressed against the conveying piece 4, so that the loosening of the wire pressing rod is avoided.

Further improvement, as shown in fig. 1, for the conveying member 4, the tail of the conveying member 4 is in an n-type structure, one side on the inner side is abutted against the sliding block 3, the inner side is one side close to the center of the upper shell 1, the conveying member 4 forms a herringbone structure, one side on the outer side can be conveniently arranged in the accommodating chamber 12, the sliding block 3 is arranged corresponding to one side on the inner side of the conveying member 4, at the moment, the length of one side on the inner side can be smaller than that of the outer side, the sliding block 3 is arranged corresponding to one side which is shorter, so that the inner structure of the dental floss box is more compact, the dental floss rod placed on the inner side can be well borne, the dental floss box structure is miniaturized, the dental floss box structure is more convenient to carry, the front end of the conveying member 4 downwards extends to be perpendicular to the conveying member 4 and is higher than the baffle 40 on the surface of the conveying member 4, the baffle 40 is matched with the through hole 11 of the upper shell, the baffle 40 extends in the direction far away from the bottom surface of the upper shell 1, the conveying member 4 can slide against the bottom surface of the upper shell 1, the conveying member 4 can well slide, the upper shell 4 can be prevented from falling out of the upper shell 11 from the through hole 11, and the upper shell 11 can be prevented from polluting the dental floss rod 11 from entering the through hole 11. At this time, the bottom of the upper shell 1 is also provided with an arc-shaped stop 13 in the n-type structure of the conveying piece 4, so that two limiting structures are formed on the conveying piece, the two conveying pieces can be better limited to slide simultaneously in the same direction, and a sliding channel for sliding the conveying piece can be formed between the two limiting structures, so that the conveying piece slides more smoothly.

As shown in fig. 3 and 5, the limiting members 6 are provided with two limiting members and are located at the middle positions of the two sides of the long side direction of the top through hole 10, when the top through hole 10 is a long strip through hole in the left-right direction, one of the two limiting members 6 is located at the long side of the bottom surface of the upper shell 1 adjacent to the front side of the top through hole 10, the other limiting member 6 is located at the long side of the bottom surface of the upper shell 1 adjacent to the rear side of the top through hole 10, the front limiting member 6 is used for limiting the left conveying member 4, and the rear limiting member 6 is used for limiting the right conveying member 4, although the opposite arrangement is also possible. Therefore, the conveying pieces 4 on two sides can be stretched and contracted to the same degree while the conveying pieces 4 are limited conveniently, and the stability of the performance of the stretching spring is kept. At this time, the right end face of the front stopper 6 and the left end face of the rear stopper 6 can be arranged to be in the same vertical plane in the front-rear direction, so that the influence of the front stopper 6 on the sliding of the right conveying member 4 or the rear stopper 6 on the left conveying member 4 can be avoided. The limiting piece 6 selects a limiting column with an L-shaped cross section, so that when the conveying piece 4 is abutted in the limiting piece with the L-shaped structure, the limiting column is limited in two directions, and the limiting structure is stable and firm. Such a limiting part 6 limits a conveying part 4, the complexity of the structure of the limiting part 6 is avoided, meanwhile, the sliding influence of the limiting part 4 on the sliding block 2 can be avoided, the bottom of the upper shell 1 is further provided with the partition plates 14 which are positioned on the same horizontal line with the limiting part 6 at the position corresponding to the front end of the conveying part 4, that is to say, the partition plates 14 are also provided with two partition plates 14 which are positioned in the long side direction of the top through hole 10 and correspond to each other, and the partition plates 4 and the limiting parts positioned on the same side are positioned on the same horizontal line, so that the structure in the dental floss box is simpler and more compact, and the storage of a line pressing rod and the sliding of the conveying part cannot be influenced. The baffle 24 and/or the inner side wall of the upper shell 2 or the bottom shell 2 are/is extended with the protruding block 15, the bottom surfaces of the protruding block 15 and the upper shell 1 are provided with a sliding chute for the conveying member 4 to slide, when the upper shell 1 is a shell provided with a containing groove, the protruding block 15 is arranged on the baffle 14, or the protruding block 15 is arranged on the inner side wall of the upper shell 1, or the protruding block 15 is arranged on the inner side wall of the baffle 14 and the inner side wall of the upper shell 1 at the same time, the protruding blocks 15 on the baffle 14 and the upper shell 1 can be identical or different in shape, the protruding block 15 and the bottom surface of the upper shell 1 form a sliding chute, the width of the sliding chute is equal to the thickness of the conveying member 4, and the conveying member 4 slides in the sliding chute, so that the structure of the conveying member 4 in the dental floss box is firmer and can not loose and drop; when the upper case 1 is a cover plate, the projections 15 are provided on the inner side walls of the partition 14 or the bottom case 2, or on both the partition and the inner side walls of the bottom case.

Further improvement, as shown in fig. 1 and 6, for the structure of the slider 3, the bottom of the slider 3 is extended with an extension pin 30 inserted into the top through hole 10, the side walls of the extension pin 30 corresponding to two long sides of the top through hole 10 are both provided with a buckle 300, the slider 3 and the extension pin 30 form a T-shaped structure, the slider 3 cannot fall into the top through hole 10, so that a force is applied to the slider 3, that is, the surface of the extension pin 30 corresponding to the long side hole wall of the top through hole 10 is provided with the buckle 300, the buckle 300 is buckled at one end of the top through hole 10 far away from the slider 3, so that the slider 3 is prevented from falling off from the top through hole 10, and at this time, the buckle 300 can be an extension block of the extension pin 30 extending outwards. The bottom of extension foot 30 is provided with draw-in groove 301 or extends the foot through-hole, first extension spring 5 sets up in draw-in groove 301 or extends the foot through-hole, just so hides first extension spring 5 in draw-in groove 301 or extends the foot through-hole, and draw-in groove 301 selects the U type groove of round bottom, makes things convenient for the installation of first extension spring 5.

Further, as shown in fig. 1 and 3, two opposite sides of the conveying members 4 are provided with accommodating grooves 41 for accommodating the first telescopic springs 5, and the first telescopic springs 5 are arranged in the accommodating grooves 41, so that the first telescopic springs 5 cannot protrude on the surface of the conveying members 4, the first telescopic springs 5 and the conveying members 4 are in the same horizontal plane, sliding of the conveying members 4 is facilitated, and sliding smoothness of the conveying members 4 is facilitated. The accommodating groove 41 may be a U-shaped groove formed on the end face of the conveying member 4, that is, the right end face of the left conveying member 4 is provided with a U-shaped groove, the left end face of the right conveying member 4 is provided with a U-shaped groove, the openings of the two U-shaped grooves are opposite, and then the two U-shaped grooves are correspondingly connected with the first telescopic springs 5 at the bottoms of the respective grooves.

As shown in fig. 1 and 4, the elastic pressing member 7 includes a fixing post 70 disposed on the bottom shell 2 and on the same horizontal line as the limiting member 6, a second telescopic spring 71 sleeved on the fixing post 70, and a pressing plate 72 abutting against the top of the second telescopic spring 71 and slidably disposed on the fixing post 70 and extending to the accommodating chamber, where the fixing post 70 is fixedly connected to the top surface of the bottom shell 2, the pressing plate 72 is sleeved on the fixing post 70 and slides up and down along the fixing post 70, and limiting the sliding movement of the pressing plate 72 on the fixing post 70, a limiting structure is disposed on the top surface of the fixing post 70, for example, a stopper extends out of the top end of the fixing post 70 to serve as a limiting structure, or two fixing posts 70 are disposed in parallel, one second telescopic spring 71 is sleeved on each of the two fixing posts 70, then the pressing plate 72 is sleeved on the two fixing posts 70, a connecting member connecting the two fixing posts 70 is disposed on the top ends of the two fixing posts 70, at this time, the two fixing posts 70 are prevented from guiding the sliding movement of the pressing plate 72, and the pressing plate 72 is prevented from falling off from the fixing posts 70 by rotating the connecting the fixing posts 70. At this time, the pressing plate 72 may be configured to include a sliding portion 720 sleeved on the fixing post 70, and a pressing portion 721 extending outward from the bottom end of the sliding portion 720, wherein a stepped structure is formed between the pressing portion 721 and the sliding portion 720, and when the pressing portion 721 is lower than the sliding portion 720, some storage space is provided for the dental floss rod, so that the placement amount of the dental floss rod in the dental floss box is increased.

While the utility model has been described in detail in the foregoing general description and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (10)

1. A portable bi-directional dental floss cartridge, characterized by: the top of the upper shell is provided with a strip-shaped top through hole communicated with the accommodating cavity, and the top of the upper shell is also provided with a sliding block which is arranged in the top through hole in a sliding way; the bottom of the upper shell is correspondingly provided with two conveying pieces for conveying dental floss in a sliding manner on two sides corresponding to the sliding direction of the sliding block, the conveying pieces are propped against the sliding block through the sliding of the sliding block, the two conveying pieces are connected through a first telescopic spring, and the upper shell or the bottom shell is respectively provided with an upper shell through hole for the conveying pieces to penetrate out on two opposite side walls corresponding to the sliding direction of the sliding block; the bottom of the upper shell is also provided with a limiting piece for limiting the two conveying pieces to slide in the same direction, and the limiting piece and the inner side wall of the upper shell or the bottom shell form a containing chamber for placing dental floss; the bottom shell is provided with an elastic pressing piece at a position corresponding to the accommodating chamber.

2. The portable two-way dental floss box as set forth in claim 1, wherein the tail of the conveying member is of an n-type structure and is abutted against the sliding block on one side of the inner side, the front end of the conveying member extends downwards to form a baffle which is perpendicular to the conveying member and is higher than the surface of the conveying member, and the baffle is matched with the through hole of the upper shell in size.

3. The portable, bi-directional dental floss cartridge of claim 2, wherein a bottom portion of said upper housing is further provided with an arcuate stop in an n-type configuration of the delivery member.

4. The portable two-way dental floss box as set forth in claim 1, wherein the limiting piece is provided with two intermediate positions which are positioned at two sides of the long side direction of the top through hole, and the bottom of the upper shell is further provided with a partition plate which is positioned on the same horizontal line with the limiting piece at a position corresponding to the front end of the conveying piece.

5. The portable bi-directional dental floss cartridge of claim 4, wherein said spacer and/or said upper or lower shell have protrusions extending from an inner sidewall thereof, said protrusions and said upper shell bottom surface having a chute formed therein for sliding movement of said delivery member.

6. The portable two-way dental floss cartridge as described in claim 1, wherein the bottom of the slider is extended with an extension pin inserted into the top through hole, and the extension pins are provided with buckles corresponding to the side walls of the two long sides of the top through hole.

7. The portable bi-directional dental floss cartridge of claim 6, wherein a bottom portion of said extension pin is provided with a clamping groove or an extension pin through hole, and said first extension spring is disposed in said clamping groove or said extension pin through hole.

8. The portable, bi-directional dental floss cartridge of claim 1, wherein opposite sides of both said transport members are provided with receiving slots for receiving a first extension spring.

9. The portable bi-directional dental floss cartridge of claim 1, wherein: the elastic pressing piece comprises a fixed column arranged on the bottom shell and positioned on the same horizontal line with the limiting piece, a second telescopic spring sleeved on the fixed column, and a pressing plate which is abutted to the top of the second telescopic spring and is arranged on the fixed column in a limiting sliding manner and extends to the accommodating chamber.

10. The portable two-way dental floss box as claimed in claim 1, wherein the two conveying members are arranged at the bottom of the upper shell in a limiting sliding manner, and a limiting sliding groove and a limiting block which are matched and sliding are arranged at the bottoms of the conveying members and the upper shell.