CN108135680A

CN108135680A - Dental-floss device

Info

Publication number: CN108135680A
Application number: CN201680062301.4A
Authority: CN
Inventors: 丁松俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-14
Filing date: 2016-12-23
Publication date: 2018-06-08
Anticipated expiration: 2036-12-23
Also published as: CN108135680B; WO2017121234A1

Abstract

A kind of dental-floss device, including be used to grasp handle (30), for the dental floss section (11) that cleans tooth and for fixing and supporting the stent of dental floss section (11) (20)；The handle (30) of the dental-floss device includes the first gripper (31), the second gripper (32) and hinge (33).User operates the handle (30) of the dental-floss device, can allow it is being disposed thereon, become loose dental floss section (11) and be restored to tensioned state.

Description

Dental-floss device

Technical field

The present invention relates to a kind of for cleaning the oral care implement of tooth, in particular to a kind of dental-floss device.User manipulates the dental-floss device, cleans to the dental surface of teeth space two sides.When in use, which can tighten the dental floss section being disposed thereon.

Background technique

Currently, it is known that various using the technology on floss teeth surface and the device of assisted control dental floss.For example, the U.S. Patent Publication Document of Publication No. USD403120 a kind of dental-floss device (as shown in Figure 1).The dental-floss device includes the handle 30 for grasping, the dental floss section 11 for cleaning tooth and the bracket 20 for fixing and supporting dental floss section 11；Handle 30 has one end to connect with bracket 20.The shape of such dental-floss device has similar to English alphabet " F ", thus commonly known as " F type dental-floss device ".In addition, the U.S. Patent Publication Document of Publication No. US5388600 a kind of dental-floss device (as shown in Figure 2).The dental-floss device also includes handle 30, dental floss section 11 and bracket 20, but the bracket 20 of the dental-floss device is different with aforementioned " F type dental-floss device " from the connection type of handle 30.The shape of such dental-floss device has similar English alphabet " Y ", thus commonly known as " Y type dental-floss device ".

Aforementioned two kinds of dental-floss device, dental floss section 11 are all fixed on bracket 20.The injection forming process is generallyd use, dental floss fiber is fixed on to the free end of the first support arm 21B and the second support arm 22B of bracket 20.If primary injection molding can produce multiple dental-floss devices using multi-cavity mold.For manufacturing the dental floss of dental-floss device, usually nylon or polyester filaments or other high modulus fibre long filaments.The fineness of fiber is substantially between 300-900 denier.30 part of bracket 20 and dental floss handle, generally using polypropylene or the suitable plastic material manufacture of other hardness.There is the method for many manufacture dental-floss devices to be disclosed, therefore not to repeat here.

In addition, there are also other kinds of dental-floss device, for example, the U.S. Patent Publication Document of Publication No. US4655233 (as shown in Figure 3): dental floss section 11 is not fixed on the bracket 20 of dental-floss device；Before needing using dental-floss device, dental floss section 11 is installed into dental floss bracket 20；Using finishing, dental floss section 11 is removed from dental floss bracket 20.

Either dental floss section is fixed on the dental-floss device on dental floss bracket (such as USD403120, US5388600 institute Disclosed dental-floss device) or the dental floss section dental-floss device (dental-floss device as disclosed in US4655233) that can load onto, remove, dental floss section 11 is required on bracket 20 in tensioned state.The dental floss section tightened can obtain preferable cleaning benefits.

Some kinds of dental floss, such as the dental floss manufactured with polytetrafluoroethylene (PTFE) (Polytetrafluoroethylene, PTFE) fiber, function admirable is soft, is loved by consumers.But the dental-floss device manufactured using polytetrafluoroethyldental dental floss, during use, when by stretching compared with great dynamics, dental floss section (11) can be elongated, and become relaxation (as shown in Figure 5).The ability that cleans the teeth of dental-floss device can be weakened in this way.It is therefore desirable to have a kind of dental-floss device, it can allow the dental floss section 11 for becoming loose to be restored to tensioned state.

Publication No. US5829458 U.S. Patent Publication Document a kind of dental-floss device (as shown in Figure 4), the dental-floss device can allow be arranged in it is on its bracket, be stretched after become loose dental floss section 11 and be restored to tensioned state.Furthermore, the american documentation literature of Publication No. US4192330 and USD424748 also disclose the dental-floss device similar with US5829458, these dental-floss devices can also allow be arranged in it is on their own bracket, be stretched after become loose dental floss section 11 and be restored to tensioned state.

But, above-mentioned patent still has shortcoming: user needs to squeeze the handle of dental-floss device relatively elaborately, can just tighten dental floss section 11.Thus, operation dental-floss device, the work for cleaning tooth become relatively elaborate.

In conclusion design and manufacture it is a kind of operate it is relatively labor-saving, can the dental-floss device that become loose dental floss section 11 and be restored to tensioned state is still necessary.

Summary of the invention

The purpose of the present invention is to provide a kind of dental-floss device, the dental-floss device can allow it is being disposed thereon, become loose dental floss section and be restored to tensioned state；Also, it is existing, more more labor-saving with the dental-floss device for tightening dental floss section function than operating to operate the dental-floss device.

According to an aspect of the invention, there is provided a kind of dental-floss device comprising:

First base portion；

Second base portion；

The first elongated gripper, top are connected to first base portion；

The second elongated gripper is arranged side by side with first gripper, and its top is connected to second base portion；

Hinge, its both ends is connected respectively to first gripper and second gripper, and the shaft of the hinge extends along the length direction of first gripper and second gripper, so that first gripper and second gripper can be rotated around the shaft of the hinge；

First support arm, bottom end are connected to first base portion；

Second support arm, bottom end are connected to second base portion, and first support arm is spaced apart to limit interval between first support arm and second support arm with second support arm；

Dental floss section comprising first end and second end, the first end are connected to the top of first support arm, and the second end is connected to the top of second support arm；

Wherein, the distance between the top of first support arm and the top of second support arm can rotate around the shaft of the hinge with first gripper or second gripper and be increased.

When in use, user may apply pressure to the first gripper and the second gripper respectively with the first finger and second finger, the first gripper is forced to rotate around the shaft of hinge, the first base portion and first support bar is driven to rotate around the shaft of hinge whereby, it forces the second gripper to rotate around the shaft of hinge simultaneously, the second base portion and second support bar is driven to rotate around the shaft of hinge whereby.After the first gripper and the second gripper rotate suitable angle respectively, the distance between top and the top of second support bar of first support bar, it is longer than the distance between they before rotation, whereby, the dental floss section being fixed between first support bar and the top of second support bar is tauted.

Length, width, thickness and the shape of first gripper and the second gripper may be suitably set, so that they generate biggish turning moment when bearing the pressure of the first finger or second finger application.In this way, user only needs to be tightened dental floss section using lesser pressure compaction handle, be operated more labor-saving.

Dental-floss device of the invention when in use, can allow it is being disposed thereon, become loose dental floss section and be restored to tensioned state, also, user only needs to be tightened dental floss section using lesser pressure compaction handle, be operated relatively labor-saving.

In one of the embodiments, first gripper has the first distal end that the shaft around the hinge rotates, second gripper has the second distal end that the shaft around the hinge rotates, when first distal end and second distal end close to each other, the distance between top of the top of first support arm and second support arm increases.

In one of the embodiments, first gripper has the first distal end that the shaft around the hinge rotates, second gripper has the second distal end that the shaft around the hinge rotates, when first distal end and it is described second distal end away from each other when, the distance between top of the top of first support arm and second support arm increase.

The toothpick component that can be used for picking one's teeth is set in the tail portion of first gripper or second gripper in one of the embodiments,.

Multiple protrusions are set on the outer surface of shown first gripper and/or second gripper in one of the embodiments,.

In one of the embodiments, the dental-floss device further includes release-retention mechanism, release-the retention mechanism is set as operationally switching between releasing position and fastening position, when operating the release-retention mechanism and be in fastening position, the distance between top of the top of first support arm and second support arm be greater than when the release-retention mechanism is in releasing position described in the top of the first support arm and the distance between the top of second support arm.

In one of the embodiments, the bottom end of first support arm and second support arm is respectively arranged with the first inserting block and the second inserting block, first base portion and second base portion are respectively arranged with the first insertion groove and the second insertion groove, first inserting block can be snapped connection to first insertion groove, and second inserting block can be snapped connection to second insertion groove.

According to another aspect of the present invention, a kind of dental-floss device is provided comprising:

First base portion；

There are gaps between second base portion, with first base portion；

Gripper, top are connected to first base portion；

First support arm, bottom end are connected to first base portion；

Second support arm, bottom end are connected to second base portion, and second support arm is spaced apart to limit interval between first support arm and second support arm with first support arm；

Hinge, both ends are respectively connected to first base portion and second base portion, and the shaft of the hinge extends along the thickness direction of the gripper；

Release-retention mechanism, it is set as operationally switching between releasing position and fastening position, when operating the release-retention mechanism and be in fastening position, the distance between top of the top of first support arm and second support arm be greater than when the release-retention mechanism is in releasing position described in the top of the first support arm and the distance between the top of second support arm.

Release-the retention mechanism includes: in one of the embodiments,

First movable part is hinged to first base portion；

Second movable part is hinged to second base portion；

Wherein, when the release-retention mechanism is in the fastening position, first movable part is engaged with second movable part.

Release-the retention mechanism includes: in one of the embodiments,

First connecting portion part is fixed on first base portion；

Second connecting portion part is hinged to second base portion；

Wherein, when the release-retention mechanism is in the fastening position, described first connecting portion part is engaged with the second connecting portion part.

According to another aspect of the invention, a kind of dental-floss device is provided comprising:

Gripper；

Dental floss bracket is adapted to be detachably mounted to the gripper, which includes:

First base portion；

Second base portion；

Hinge, both ends are respectively connected to first base portion and second base portion；

First support arm, bottom end are connected to first base portion；

Wherein, when the dental floss bracket is mounted on the gripper, the distance between top of the top of first support arm and second support arm be greater than when the dental floss bracket is disassembled from the gripper described in the top of the first support arm and the distance between the top of second support arm.

The shaft of the hinge extends along the thickness direction of first base portion and second base portion in one of the embodiments,.

The shaft of the hinge extends along the length direction of first base portion and second base portion in one of the embodiments,.

In one of the embodiments, the gripper is provided with the securement head with insertion groove, first base portion is provided with the first insertion part that can be snapped connection with the insertion groove, second base portion is provided with the second insertion part that can be snapped connection with the insertion groove, wherein, when first insertion part and second insertion part are snapped connection with the insertion groove simultaneously, the dental floss bracket is mounted on the gripper.

The gripper is provided with the securement head with insertion groove in one of the embodiments, and the insertion groove is suitable for snapping connection first base portion and second base portion simultaneously；

The bottom for being hingedly connected at first base portion and second base portion, between first base portion and second base portion, the top of the hinge setting it is jagged, the notch is set as when first base portion and second base portion insertion insertion groove, and the opening of the notch is magnified.

In one of the embodiments, retainer is provided in the insertion groove, the retainer extends outwardly from the bottom of the insertion groove, and is suitable for putting in the notch when first base portion and second base portion are inserted into the insertion groove of the securement head and abut with the notch.

First base portion；

Second base portion is hinged to first base portion, and operationally switches between releasing position and fastening position；

Gripper, top are connected to first base portion；

Hinge, both ends are connected respectively to first base portion and the base portion, and the shaft of the hinge extends along the width direction of first base portion and second base portion；

First support arm, bottom end are connected to first base portion；

Dental floss section comprising first end and second end, the first end are connected to the top of first support arm End, the second end are connected to the top of second support arm；

Wherein, when second base portion is switched to the fastening position from the releasing position, second base portion is engaged with first base portion, and the distance between top of the top of first support arm and second support arm be greater than when second base portion be in releasing position described in the top of the first support arm and the distance between the top of second support arm.

First base portion；

Second base portion；

The first elongated gripper, top are connected to first base portion；

First support arm, bottom end are connected to first base portion；

Dental floss is configured to annular ring, and be removably connected to the first base portion, the second base portion, the first support arm, on the second support arm；

Wherein, the first card slot extended along the lateral surface of first support arm and first base portion is provided on first support arm and first base portion, the second card slot extended along the lateral surface of second support arm and second base portion is provided on second support arm and second base portion, the dental floss is suitable for being clamped in first card slot and second card slot, so that wherein one section of dental floss of the dental floss is located between the top of first support arm and the top of second support arm；

The distance between the top of first support arm and the top of second support arm can rotate around the shaft of the hinge with first gripper or second gripper and be increased.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of existing dental-floss device；

Fig. 2 is the structural schematic diagram of existing another dental-floss device；

Fig. 3 is the structural schematic diagram of existing another dental-floss device；

Fig. 4 is the structural schematic diagram of existing another dental-floss device；

Fig. 5 shows that the dental floss section of existing dental-floss device becomes loose state after being elongated.

Fig. 6 is the perspective view according to the dental-floss device of the embodiment of the present invention 1 when being not used by；

Fig. 7-8 is the dental-floss device shown in fig. 6 perspective view from other two point of observation respectively；

Fig. 9 is shown in the dental-floss device of embodiment according to the present invention 1 after being used, and dental floss section is elongated, becomes the state presented when relaxing；

Figure 10 shows the state presented when the handle of the dental-floss device of embodiment according to the present invention 1 is squeezed by finger；

Figure 11 a is the perspective view of dental-floss device shown in Fig. 10；

Figure 11 b is the sectional view obtained in fig. 11 a along C-C plane view；

Figure 12 shows the state presented when the dental-floss device of embodiment according to the present invention 1 is used；

Figure 13 is the perspective view according to the dental-floss device of the embodiment of the present invention 2 when being not used by；

Figure 14 is the perspective view according to the dental-floss device of the embodiment of the present invention 3 when being not used by；

Figure 15-16 is the perspective view from other two point of observation respectively of dental-floss device shown in Figure 14；

Figure 17 shows the state presented when the handle of the dental-floss device of embodiment according to the present invention 3 is squeezed by finger；

Figure 18 a is the perspective view of dental-floss device shown in Figure 17；

Figure 18 b is the sectional view obtained in Figure 18 a along E-E plane；

Figure 19 shows the state presented when the dental-floss device of embodiment according to the present invention 3 is used.

Figure 20 is the perspective view according to the dental-floss device of the embodiment of the present invention 4 when being not used by.

Figure 21 is the perspective view according to the dental-floss device of the embodiment of the present invention 5 when being not used by.

Figure 22-23 is the perspective view according to the dental-floss device of the embodiment of the present invention 6 when being not used by from two points of observation；

Figure 24 shows the state presented when the handle of the dental-floss device of embodiment according to the present invention 6 is squeezed by finger；

Figure 25 a is the perspective view of dental-floss device shown in Figure 24；

Figure 25 b is the sectional view obtained in Figure 25 a along G-G plane；

Figure 26 is the perspective view according to the dental-floss device of the embodiment of the present invention 7 when being not used by；

Figure 27-28 is the perspective view from other two point of observation respectively of dental-floss device shown in Figure 26；

Figure 29 shows the state presented when the handle of the dental-floss device of embodiment according to the present invention 7 is squeezed by finger.

Figure 30 is the perspective view according to the dental-floss device of the embodiment of the present invention 8 when being not used by；

Figure 31-32 is the perspective view from other two point of observation respectively of dental-floss device shown in Figure 30.

Figure 33 shows the state presented when the dental-floss device of embodiment according to the present invention 8 is used.

Figure 34 is the perspective view according to the dental-floss device of the embodiment of the present invention 9 when being not used by；

Figure 35 is the structural schematic diagram according to the dental-floss device of the embodiment of the present invention 10 when being not used by；

Figure 36 is the structural schematic diagram according to the dental-floss device of the embodiment of the present invention 10 when in use；

Figure 37 is the perspective view according to the dental-floss device of the embodiment of the present invention 11 when being not used by；

Figure 38 is the perspective view according to the dental-floss device of the embodiment of the present invention 11 when in use；

Figure 39 is the perspective view according to the dental-floss device of the embodiment of the present invention 12 when being not used by；

Figure 40 is the perspective view according to the dental-floss device of the embodiment of the present invention 12 when in use；

Figure 41-42 be according to the dental-floss device of the embodiment of the present invention 13 when being not used by the perspective view from two points of observation respectively；

Figure 42 is the structural schematic diagram of the fixed link of dental-floss device shown in Figure 41；

Figure 43 is the perspective view according to the dental-floss device of the embodiment of the present invention 13 when in use；

Figure 44 is the perspective view according to the dental-floss device of the embodiment of the present invention 14 when being not used by；

Figure 45 is the perspective view according to the dental-floss device of the embodiment of the present invention 14 when in use；

Figure 46 is the perspective view according to the dental-floss device of the embodiment of the present invention 15 when being not used by；

Figure 47 is the perspective view according to the dental-floss device of the embodiment of the present invention 15 when in use；

Figure 48 is the perspective view according to the dental-floss device of the embodiment of the present invention 16 when being not used by；

Figure 49 is the perspective view according to the dental-floss device of the embodiment of the present invention 16 when in use；

Figure 50 is the perspective view according to the dental-floss device of the embodiment of the present invention 17 when being not used by；

Figure 51 is the perspective view according to the dental-floss device of the embodiment of the present invention 17 when in use；

Figure 52 is the perspective view according to the dental-floss device of the embodiment of the present invention 18 when being not used by；

Figure 53 is the perspective view according to the dental-floss device of the embodiment of the present invention 18 when in use；

Figure 54 is the perspective view according to the dental-floss device of the embodiment of the present invention 19 when being not used by；

Figure 55 is the perspective view according to the dental-floss device of the embodiment of the present invention 19 when in use；

Figure 56 is the perspective view according to the dental-floss device of the embodiment of the present invention 20 when being not used by；

Figure 57 is the perspective view according to the dental-floss device of the embodiment of the present invention 20 when in use；

Figure 58 is the perspective view according to the dental-floss device of the embodiment of the present invention 21 when being not used by；

Figure 59 is the perspective view according to the dental-floss device of the embodiment of the present invention 21 when in use；

Figure 60 is the perspective view of the dental floss bracket separated when not working with gripper according to the dental-floss device of the embodiment of the present invention 22；

Figure 61 is the perspective view of the gripper separated when not working with dental floss bracket according to the dental-floss device of the embodiment of the present invention 22；

Figure 62 is to prepare perspective view when being installed into gripper in dental floss bracket according to the dental-floss device of the embodiment of the present invention 22；

Figure 63 is the perspective view according to the dental-floss device of the embodiment of the present invention 22 when in use；

Figure 64 is the perspective view of the dental floss bracket separated when not working with gripper according to the dental-floss device of the embodiment of the present invention 23；

Figure 65 is to prepare perspective view when being installed into gripper according to the dental floss bracket of the embodiment of the present invention 23；

Figure 66 is the structural schematic diagram according to the dental floss bracket of the dental-floss device of the embodiment of the present invention 24；

Figure 67 is the exploded view according to the insertion groove of the gripper of the dental-floss device of the embodiment of the present invention 24；

Figure 68 is the perspective view according to the dental-floss device of the embodiment of the present invention 24 when dental floss bracket is installed into gripper, and securement head is decomposed into two parts in order to facilitate observation of；

Figure 69 is the perspective view of the support arm according to the dental-floss device of the embodiment of the present invention 25 when not working with dental floss section；

Figure 70 is the enlarged perspective according to dental-floss device head of gripper when not working of the embodiment of the present invention 25；

Figure 71 is the perspective view according to the dental-floss device of the embodiment of the present invention 25 when in use；

Figure 72 is the close up perspective view according to the dental-floss device of the embodiment of the present invention 26 when being not installed with dental floss；

Figure 73 is the perspective view according to the dental floss of the embodiment of the present invention 26；

Figure 74 is the close up perspective view according to the dental-floss device of the embodiment of the present invention 26 when installing dental floss；

Figure 75 is the close up perspective view according to the dental-floss device of the embodiment of the present invention 26 after installing dental floss.

Specific embodiment

In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But the invention can be embodied in many other ways as described herein, those skilled in the art can make similar improvements without departing from the spirit of the invention, therefore the present invention is not limited to the specific embodiments disclosed below.

Embodiment 1

Fig. 6, Fig. 7, Fig. 8 are the dental-floss device of embodiment according to the present invention 1 respectively when being not used by, from different points of observation, the perspective view of acquisition.Fig. 6, Fig. 7, Fig. 8 show the state that embodiment 1 is presented when being not used by.

In the present embodiment, dental-floss device includes the bracket 20 that 30, one sections of the handle dental floss sections 11 for being used to clean tooth for being used for grasping and one are used to fix and support dental floss section 11；The handle 30 has one end to connect with bracket 20.

Handle 30 includes the first gripper 31, the second gripper 32 and hinge 33；The shaft of hinge 33 extends along the longitudinal direction (direction shown in dotted line A-A in Fig. 6, Fig. 7, Fig. 8) of handle 30；Hinge 33 has suitable length (in embodiment 1, substantially 5 centimetres of length)；The first edge of hinge 33 is connect with the part edge of the first gripper 31, and the second edge of hinge 33 is connect with the part edge of the second gripper 32；Also, extend the first base portion 21A from the first gripper 31；And extend the first support arm 21B from the first base portion 21A；Also, extend the second base portion 22A from the second gripper 32；And extend the second support arm 22B from the second base portion 22A；The first support arm 21B and the second support arm 22B is set to be separated by suitable distance；Also, dental floss section 11 is set, its both ends is made to be fixed on the free end of the first support arm 21B and the free end of the second support arm 22B respectively.

Wherein, the first base portion 21A, the first support arm 21B, the second base portion 22A and the second support arm 22B together constitute bracket 20.Dental floss section 11 is fixed and is supported on bracket 20.

In the present embodiment, the first gripper 31 and the second gripper 32 have thicker thickness, and hinge 33 has relatively thin thickness.The first edge of hinge 33 is connect with the part edge of the first gripper 31, and the second edge of hinge 33 is connect with the part edge of the second gripper 32.

When the first gripper 31 and/or the second gripper 32 are applied torsional pressure, hinge 33 with relatively thin thickness can be bent, whereby, first gripper 31 and/or the second gripper 32 are capable of the shaft of around hinge 33 (in embodiment 1, the shaft of hinge 33 is Chong Die with the dotted line A-A in Fig. 6, Fig. 7, Fig. 8) rotation, and suitable angle (in general, rotation angle is between 0 degree to 30 degree) can be rotated.

Semirigid plastic, preferably polypropylene are generallyd use, to manufacture the bracket 20, handle 30 and hinge 33 of dental-floss device.When being subjected to torsional pressure, hinge 33 with relatively thin thickness, being manufactured with semirigid plastic is easy to be bent；Thus, apply lesser pressure, the shaft of 32 around hinge 33 of the first gripper 31 and/or the second gripper can be made to rotate.

Need to be suitably set length, width, thickness and the shape of the first gripper 31 and the second gripper 32, to meet following condition: when the rotation of the shaft of 31 around hinge 33 of the first gripper, second gripper 32 will not stop the first gripper 31 to rotate suitable angle, and, when the rotation of the shaft of 32 around hinge 33 of the second gripper, the first gripper 31 will not stop the second gripper 32 to rotate suitable angle.

In the present embodiment, dental floss section 11 is set in the free end of the first support arm 21B and the free end of the second support arm 22B.Dental floss section 11 is manufactured using polytetrafluoroethylene fibre.Polytetrafluoroethylene fibre function admirable, it is soft, it is loved by consumers.But polytetrafluoroethylene fibre when by stretching compared with great dynamics, can be elongated during by use, become loose.Fig. 9 show embodiment 1 after being used, the state that presents when dental floss section 11 is elongated, becomes to relax.

After dental floss section 11 is elongated, becomes relaxation, the ability of cleaning the teeth of dental-floss device is weakened.At this time, it may be necessary to be tightened loose dental floss section is become again, to obtain the ability that normally cleans the teeth.

Figure 10 shows the state presented when the handle of the dental-floss device of the present embodiment is squeezed by finger.

Figure 11 a is the status diagram that the dental-floss device of the present embodiment is presented when in use.

When in use, operator catches the handle 30 of dental-floss device with the first finger 41 and second finger 42；The One finger 41 applies pressure to the first gripper 31, and the first gripper 31 is forced to rotate around the shaft of hinge 33, and the first base portion 21A and the first support arm 21B is driven to rotate around the shaft of hinge 33 whereby；Meanwhile second finger 42 applies pressure to the second gripper 32, and the second gripper 32 is forced to rotate around the shaft of hinge 33, and the second base portion 22A and the second support arm 22B is driven to rotate around the shaft of hinge 33 whereby；After the first gripper 31 and the second gripper 32 rotate suitable angle respectively, the distance between the free end of the free end of first support arm 21B and the second support arm 22B, it is longer than the distance between they before rotation, whereby, be fixed on it is between the free end of the first support arm 21B and the free end of the second support arm 22B, become loose dental floss section 11 and tightened again.

In fig. 11 a, the first arrow 51 indicates that the first finger 41 applies stressed direction to the first gripper 31；Second arrow 52 instruction second finger 42 applies stressed direction to the second gripper 32.

Figure 11 b is the sectional view that the dental-floss device in Figure 11 a is obtained along C-C plane view.It can be seen that from Figure 11 b when the dental-floss device is by use, the shaft that the first gripper 31 and the second gripper 32 surround hinge 33 respectively has rotated certain angle, for example, 20 degree, cause the first gripper 31 and the second gripper 32 close to each other.That is, when the second distal end of the shaft rotation for the first distal end and the second gripper around hinge that the shaft of the first gripper around hinge rotates is close to each other, the distance between the top of first support arm and the top of the second support arm increase, and dental floss section is tended to be stretched.

Figure 12 shows the state presented when being used according to the dental-floss device of the present embodiment.In Figure 12, third arrow 61 indicates the first support arm 21B around the direction that the shaft of hinge 33 rotates；4th arrow 62 indicates the second support arm 22B around the direction that the shaft of hinge 33 rotates.Figure 12 shows, after the first support arm 21B and the second support arm 22B have rotated suitable angle respectively, dental floss section 11 is tightened again.

It can be suitably set length, width, thickness and the shape of the first gripper 31 and the second gripper 32, make them when bearing the pressure of the first finger 41 or the application of second finger 42, generate biggish turning moment；In this way, user only needs to be tightened dental floss section 11 using lesser pressure compaction handle 30, be operated more labor-saving.

Embodiment 2

Figure 13 is the perspective view according to the dental-floss device of the embodiment of the present invention 2 when being not used by.Embodiment 2 is a kind of improvement of embodiment 1.Compared with Example 1, embodiment 2 thes improvement is that: being arranged multiple protrusions 34 on the outer surface of the first gripper 31 and/or the second gripper 32；Whereby, one Aspect can increase the coefficient of friction of gripper outer surface, it is made to be not easy to skid；On the other hand, the appearance of dental-floss device can also be made more beautiful.

Embodiment 3

Figure 14, Figure 15, Figure 16 are the dental-floss device according to the present embodiment respectively when being not used by, from different points of observation, the perspective view of acquisition.Figure 14, Figure 15, Figure 16 show the state that embodiment 3 is presented when being not used by.

In the present embodiment, dental-floss device includes the handle 30 for grasping, the dental floss section 11 for cleaning tooth and the bracket 20 for fixing and supporting dental floss section 11；The handle 30 has one end to connect with bracket 20.

Handle 30 includes the first gripper 31, the second gripper 32 and hinge 33；The shaft of hinge 33 extends along the longitudinal direction (direction shown in dotted line A-A in Figure 14, Figure 15, Figure 16) of handle 30；Hinge 33 has suitable length (in embodiment 3, substantially 5 centimetres of length)；The first edge of hinge 33 is connect with the part edge of the first gripper 31, and the second edge of hinge 33 is connect with the part edge of the second gripper 32；Also, extend the first base portion 21A from the first gripper 31；And extend the first support arm 21B from the first base portion 21A；Also, extend the second base portion 22A from the second gripper 32；And extend the second support arm 22B from the second base portion 22A；The first support arm 21B and the second support arm 22B is set to be separated by suitable distance；Also, dental floss section 11 is set, its both ends is made to be fixed on the free end of the first support arm 21B and the free end of the second support arm 22B respectively.

Wherein, the first base portion 21A, the first support arm 21B, the second base portion 22A and the second support arm 22B together constitute the bracket 20 of embodiment 3；Dental floss section 11 is fixed and is supported on bracket 20.

When the first gripper 31 and/or the second gripper 32 are applied torsional pressure, hinge 33 with relatively thin thickness can be bent, whereby, first gripper 31 and/or the second gripper 32 are capable of the shaft of around hinge 33 (in embodiment 3, the shaft of hinge 33 is Chong Die with the dotted line A-A in Figure 14, Figure 15, Figure 16) rotation, and suitable angle (in general, rotation angle is between 0 degree to 30 degree) can be rotated.

Figure 17 shows the state presented when the handle of the dental-floss device of the present embodiment is squeezed by finger.

Figure 18 a is the status diagram that the dental-floss device of the present embodiment is presented when in use.

When in use, operator catches the handle 30 of dental-floss device with the first finger 41 and second finger 42；First finger 41 applies pressure to the top of handle 30, simultaneously, second finger 42 applies pressure to the edge of the first gripper 31 and the edge of the second gripper 32, it forces the first gripper 31 to rotate around the shaft of hinge 33, the first base portion 21A and the first support arm 21B is driven to rotate around the shaft of hinge 33 whereby；Meanwhile the second gripper 32 being forced to rotate around the shaft of hinge 33, drive the second base portion 22A and the second support arm 22B to rotate around the shaft of hinge 33 whereby；After the first gripper 31 and the second gripper 32 rotate suitable angle respectively, the distance between the free end of the free end of first support arm 21B and the second support arm 22B, it is longer than the distance between they before rotation, whereby, the dental floss section 11 being fixed between the free end of the first support arm 21B and the free end of the second support arm 22B is tauted.

In Figure 18 a, the first arrow 51 indicates that the first finger 41 applies stressed direction to handle 30；Second arrow 52 indicates that second finger 42 applies stressed direction to the edge of the first gripper 31 and to the edge of the second gripper 32.

Figure 18 b is the sectional view obtained in Figure 18 along E-E plane, shows the dental-floss device state that handle is presented when in use of this implementation.For convenient for viewing, Figure 18 b has been amplified.It can be seen that from Figure 18 b, when this implementation dental-floss device when in use, the first gripper 31 and the second gripper 32 have rotated certain angle around the shaft of hinge 33 respectively, such as, 15 degree, lead to the first gripper 31 and the second gripper 32 away from each other.That is, when the first gripper around hinge shaft rotate the first distal end and the second gripper around hinge shaft rotation second distal end away from each other when, the distance between the top of first support arm and the top of the second support arm increase, and dental floss section is tended to be stretched.

Figure 19 shows the state presented when being used according to the dental-floss device of the present embodiment.In Figure 19, third arrow 61 indicates the first support arm 21B around the direction that the shaft of hinge 33 rotates；4th arrow 62 indicates the second support arm 22B around the direction that the shaft of hinge 33 rotates.Figure 19 shows, after the first support arm 21B and the second support arm 22B have rotated suitable angle respectively, dental floss section 11 is tauted.

Embodiment 4

Figure 20 is the perspective view according to the dental-floss device of the embodiment of the present invention 4 when being not used by.Dental-floss device in the present embodiment is a kind of improvement of the dental-floss device of embodiment 3.Compared with the dental-floss device of embodiment 3, dental-floss device in the present embodiment is theed improvement is that: toothpick component 35 is arranged in the tail portion of the first gripper 31. Toothpick component 35 can be used for picking one's teeth, and which increase the functions of dental-floss device.It is of course also possible to which toothpick component 35 is arranged in the tail portion of the second gripper 32, this is self-evident.

Embodiment 5

Figure 21 is the perspective view according to the dental-floss device of the embodiment of the present invention 5 when being not used by.Dental-floss device in the present embodiment is a kind of improvement of the dental-floss device of embodiment 3.Compared with the dental-floss device of embodiment 3, dental-floss device in the present embodiment is theed improvement is that: notch 36 being arranged on the edge of the first gripper 31 and the second gripper 32.Notch 36 can increase the coefficient of friction at the edge of gripper, it is made to be not easy to skid.It is of course also possible to which notch 36 is only arranged on the edge of the first gripper 31 or the second gripper 32, this is also self-evident.

Embodiment 6

Figure 22, Figure 23 are the dental-floss device of embodiment according to the present invention 6 respectively when being not used by, from different points of observation, the perspective view of acquisition.Figure 22, Figure 23 show the state that embodiment 6 is presented when being not used by.

Handle 30 includes the first gripper 31, the second gripper 32 and hinge 33；The shaft of hinge 33 extends along the longitudinal direction (direction shown in dotted line A-A in Figure 22, Figure 23) of handle 30；Hinge 33 has suitable length (in the present embodiment, substantially 6 centimetres of length)；The first edge of hinge 33 is connect with the part edge of the first gripper 31, and the second edge of hinge 33 is connect with the part edge of the second gripper 32；Also, extend the first base portion 21A from the first gripper 31；And extend the first support arm 21B from the first base portion 21A；Also, extend the second base portion 22A from the second gripper 32；And extend the second support arm 22B from the second base portion 22A；The first support arm 21B and the second support arm 22B is set to be separated by suitable distance；Also, dental floss section 11 is set, its both ends is made to be fixed on the free end of the first support arm 21B and the free end of the second support arm 22B respectively.

Wherein, the first base portion 21A, the first support arm 21B, the second base portion 22A and the second support arm 22B together constitute the bracket 20 of this implementation；Dental floss section 11 is fixed and is supported on bracket 20.

In the present embodiment, the first gripper 31 and the second gripper 32 have thicker thickness, and hinge 33 has relatively thin thickness.Figure 23 J also shows, the first edge of hinge 33 and the first gripper 31 Part edge connection, the second edge of hinge 33 connect with the part edge of the second gripper 32.

When the first gripper 31 and/or the second gripper 32 are applied torsional pressure, hinge 33 with relatively thin thickness can be bent, whereby, first gripper 31 and/or the second gripper 32 are capable of the shaft of around hinge 33 (in the present embodiment, the shaft of hinge 33 is Chong Die with the dotted line A-A in Figure 22, Figure 23) rotation, and suitable angle (in general, rotation angle is between 0 degree to 30 degree) can be rotated.

Figure 24 shows the state presented when the handle of the dental-floss device of the present embodiment is squeezed by finger.

Figure 25 a is the status diagram that the dental-floss device of the present embodiment is presented when in use.

When in use, operator catches the handle 30 of dental-floss device with the first finger 41 and second finger 42；First finger 41 applies pressure to the first gripper 31, and the first gripper 31 is forced to rotate around the shaft of hinge 33, and the first base portion 21A and the first support arm 21B is driven to rotate around the shaft of hinge 33 whereby；Meanwhile second finger 42 applies pressure to the second gripper 32, and the second gripper 32 is forced to rotate around the shaft of hinge 33, and the second base portion 22A and the second support arm 22B is driven to rotate around the shaft of hinge 33 whereby；After the first gripper 31 and the second gripper 32 rotate suitable angle respectively, the distance between the free end of the free end of first support arm 21B and the second support arm 22B, it is longer than the distance between they before rotation, whereby, the dental floss section 11 being fixed between the first support arm 21B and the free end of the second support arm 22B is tauted.

In Figure 25 a, the first arrow 51 indicates that the first finger 41 applies stressed direction to the first gripper 31；Second arrow 52 instruction second finger 42 applies stressed direction to the second gripper 32.

Figure 25 b is the sectional view obtained in Figure 25 a along G-G plane.From Figure 25 b can be seen that when the dental-floss device by use, the first gripper 31 and the second gripper 32 respectively around hinge 33 shaft have rotated substantially 15 spend, cause the first gripper 31 and the second gripper 32 close to each other.

Embodiment 7

Figure 26, Figure 27, Figure 28 are the embodiment of the present invention 7 respectively when being not used by, from different points of observation, the perspective view of acquisition.Figure 26, Figure 27, Figure 28 show the state that embodiment 7 is presented when being not used by.

Handle 30 includes the first gripper 31, the second gripper 32 and hinge 33；Hinge 33 Shaft extends along the longitudinal direction (direction shown in dotted line A-A in Figure 26, Figure 27, Figure 28) of handle 30；Hinge 33 has suitable length (in the present embodiment, substantially 6 centimetres of length)；The first edge of hinge 33 and the first gripper 31) part edge connect, the second edge of hinge 33 is connect with the part edge of the second gripper 32；Also, extend the first base portion 21A from the first gripper 31；And extend the first support arm 21B from the first base portion 21A；Also, extend the second base portion 22A from the second gripper 32；And extend the second support arm 22B from the second base portion 22A；The first support arm 21B and the second support arm 22B is set to be separated by suitable distance；Also, dental floss section 11 is set, its both ends is made to be fixed on the free end of the first support arm 21B and the free end of the second support arm 22B respectively.

Wherein, the first base portion 21A, the first support arm 21B, the second base portion 22A and the second support arm 22B together constitute the bracket 20 of embodiment 7；Dental floss section 11 is fixed and is supported on bracket 20.

First gripper 31 and the second gripper 32 have thicker thickness, and hinge 33 has relatively thin thickness.The first edge of hinge 33 is connect with the part edge of the first gripper 31, and the second edge of hinge 33 is connect with the part edge of the second gripper 32.

When the first gripper 31 and/or the second gripper 32 are applied torsional pressure, hinge 33 with relatively thin thickness can be bent, whereby, first gripper 31 and/or the second gripper 32 are capable of the shaft of around hinge 33 (in the present embodiment, the shaft of hinge (33) is Chong Die with the dotted line A-A in Figure 26, Figure 27, Figure 28) rotation, and suitable angle (in general, rotation angle is between 0 degree to 30 degree) can be rotated.

Figure 29 shows the state presented when the handle of the dental-floss device of the present embodiment is squeezed by finger.

When in use, operator catches the handle 30 of dental-floss device with the first finger 41 and second finger 42；Second finger 42 applies pressure to the bottom of handle 30, simultaneously, first finger 41 applies pressure to the edge of the first gripper 31 and the edge of the second gripper 32, it forces the first gripper 31 to rotate around the shaft of hinge 33, the first base portion 21A and the first support arm 21B is driven to rotate around the shaft of hinge 33 whereby；Meanwhile the second gripper 32 being forced to rotate around the shaft of hinge 33, drive the second base portion 22A and the second support arm 22B to rotate around the shaft of hinge 33 whereby；After the first gripper 31 and the second gripper 32 rotate suitable angle respectively, the distance between the free end of the free end of first support arm 21B and the second support arm 22B, it is longer than the distance between they before rotation, whereby, the dental floss section 11 being fixed between the first support arm 21B and the free end of the second support arm 22B is tauted.

Embodiment 8

Figure 30, Figure 31, Figure 32 are the embodiment of the present invention 8 respectively when being not used by, from different points of observation, the perspective view of acquisition.Figure 30, Figure 31, Figure 32 show the state that embodiment 8 is presented when being not used by.

Handle 30 includes the first gripper 31, the second gripper 32 and hinge 33；The shaft of hinge 33 extends along the longitudinal direction (direction shown in dotted line A-A in Figure 30, Figure 32) of handle 30；Hinge 33 has suitable length (in this embodiment, substantially 6 centimetres of length)；The first edge of hinge 33 is connect with the part edge of the first gripper 31, and the second edge of hinge 33 is connect with the part edge of the second gripper 32；Also, extend the first base portion 21A from the first gripper 31；And extend the first support arm 21B from the first base portion 21A；Also, extend the second base portion 22A from the second gripper 32；And extend the second support arm 22B from the second base portion 22A；The first support arm 21B and the second support arm 22B is set to be separated by suitable distance；Also, dental floss section 11 is set, its both ends is made to be fixed on the free end of the first support arm 21B and the free end of the second support arm 22B respectively.

Wherein, the first base portion 21A, the first support arm 21B, the second base portion 22A and the second support arm 22B together constitute the bracket 20 of embodiment 8；Dental floss section 11 is fixed and is supported on bracket 20.

When the first gripper 31 and/or the second gripper 32 are applied torsional pressure, hinge 33 with relatively thin thickness can be bent, whereby, first gripper 31 and/or the second gripper 32 are capable of the shaft of around hinge 33 (in this embodiment, the shaft of hinge 33 is Chong Die with the dotted line A-A in Figure 30, Figure 32) rotation, and suitable angle (in general, rotation angle is between 0 degree to 30 degree) can be rotated.

Figure 33 be embodiment 8 when in use, from some point of observation, the perspective view of acquisition.Figure 33 shows the state that embodiment 8 is presented when in use.

When in use, operator catches the handle 30 of dental-floss device with the first finger 41 and second finger 42；First finger 41 applies pressure to the top of handle 30, meanwhile, second finger 42 is to the first gripper 31 Edge and the second gripper 32 edge apply pressure, force the first gripper 31 around hinge 33 shaft rotate, drive whereby the first base portion 21A and the first support arm 21B around hinge 33 shaft rotation；Meanwhile the second gripper 32 being forced to rotate around the shaft of hinge 33, drive the second base portion 22A and the second support arm 22B to rotate around the shaft of hinge 33 whereby；After the first gripper 31 and the second gripper 32 rotate suitable angle respectively, the distance between the free end of the free end of first support arm 21B and the second support arm 22B, it is longer than the distance between they before rotation, whereby, the dental floss section 11 being fixed between the first support arm 21B and the free end of the second support arm 22B is tauted.

In Figure 33, the first arrow 51 indicates that the first finger 41 applies stressed direction to handle 30；Second arrow 52 indicates that second finger 42 applies stressed direction to the edge of the first gripper 31 and to the edge of the second gripper 32.

Embodiment 9

Figure 34 is the perspective view according to the dental-floss device of the embodiment of the present invention 9 when being not used by.The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 8, and difference is that the dental-floss device of the present embodiment includes three hinges 33a, 33b and 33c, and the first gripper 31 and the second gripper 32 have arc-shaped outer surface.Three hinge 33a, 33b and 33c shafts having the same.

Embodiment 10

Figure 35 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 36 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

In the present embodiment, as shown in figs. 35 and 36, dental-floss device includes the first base portion 21A, the second base portion 22A, gripper 37, the first support arm 21B, the second support arm 22B, dental floss section 11, hinge 33 and release-retention mechanism 70.

There are gaps between first base portion 21A and the second base portion 22.The top of gripper 37 is connected to the first base portion 21A, and the bottom end of the first support arm 22B is connected to the first base portion 21A.The bottom end of second support arm 22B is connected to the second base portion 22A, the second support arm 21B and the first support arm 22B and is spaced apart to limit interval between the first support arm 21B and the second support arm 22B.Dental floss section 11 includes first end and second end, and first end is connected to the top of the first support arm 21B, and second end is connected to the top of the second support arm 22B.The both ends of hinge 33 are connected respectively to the first base portion 21A and the second base portion 22A, and hinge 33 extends along the thickness direction of gripper 37.Release-retention mechanism 70 be it is operable, being set as can be in release position It sets and switches between fastening position, when operating the release-retention mechanism 70 and be in fastening position, top the distance between of the distance between the top of the top of the first support arm 21B and the second support arm 22B greater than the top of the first support arm 21B and the second support arm 22B when the release-retention mechanism 70 is in releasing position.The thickness of hinge 33 is generally increased by thickness, that is, greater than the thickness of the first base portion 21A and the second base portion 22A, to improve the durability of the hinge.

In the present embodiment, release-retention mechanism 70 includes the first fixed link 71, the second fixed link 72, first axle 73, second hinge 74 and third hinge 75.The both ends of first axle 73 are respectively connected to the first fixed link 71 and the first support arm 21B, the both ends of second hinge 74 are respectively connected to the first fixed link 71 and the second fixed link 72, the both ends of third hinge 75 are respectively connected to the second fixed link 72 and the second support arm 22B, and the shaft of first axle 73, second hinge 74 and third hinge 75 extends along the thickness direction of the first support arm 21B and the second support arm 22B.The length of first fixed link 71 and the second fixed link 72 is configured such that, when release-retention mechanism is operationally switched to fastening position from releasing position, the top of first support arm 21B and the distance between the top of the second support arm 22B are expanded to preset length, and are greater than the top of the first support arm 21B and the distance between the top of the second support arm 22B when release-retention mechanism 70 is in releasing position.

In order to make dental-floss device turn to working condition from original state, user needs to squeeze release-retention mechanism 70 with finger, to force the first fixed link 71 and 72 around hinge of the second fixed link to rotate, until the first fixed link 71 is close to the second fixed link 72 inner wall of first base portion 21A and the second base portion 22A respectively, so far, first fixed link 71 and the second fixed link 72 are stopped by the first base portion 21A and the second base portion 22A, are no longer able to turn.

It is squeezed in release-retention mechanism by finger, during turning to base portion, first support arm 21B is pushed by the first fixed link 71, the first base portion 21A around hinge 33 is driven to rotate, meanwhile, the second support arm 22B is pushed by the second fixed link 72, drive the second base portion 22A around hinge 33 rotation of dental-floss device, in this process, the top of the first support arm 21B and the top of the second support arm 22B are gradually distance from each other, that is, the distance between the two tops are gradually expanded.When the first fixed link 71 is close to the inner wall of the first base portion 21A and the second base portion 22A with the second fixed link 72 respectively, the distance between the top of the first support arm 21B and the top of the second support arm 22B no longer expand, and reach preset length.

When the top of the first support arm 21B and the distance between the top of the second support arm 22B be expanded to it is pre- If length after, dental floss section 11 because bear the first support arm 21B apply with the second support arm 22B tension due to be tauted；Simultaneously, after reaching preset length, the distance between the top of first support arm 21B and the top of the second support arm 22B are not further added by, and the pulling force that dental floss section 11 is subject to is not further added by, to ensure that dental floss section will not be extracted because stress is excessive from the top of two support arms.

It needs to be especially envisaged that, the thickness of hinge 33 is thickened.The hinge of thickening keeps dental-floss device more firm, and when dental floss section under tension, therefore the amplitude of fluctuation of dental-floss device reduces.

Embodiment 11

Figure 37 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 38 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 10, and difference is release-retention mechanism structure.

In the present embodiment, as shown in figs. 37 and 38, release-retention mechanism further includes the first fixinig plate 81 and the second fixinig plate 82.First fixinig plate 81 includes the first lower surface, the part edge of first fixinig plate 81 is connected to the first fixed link, and, its connection angle and link position between the first fixed link is configured such that, when release-retention mechanism is operationally switched to fastening position from releasing position, the upper surface of the first base portion is close in the first lower surface of the first fixinig plate 81.Second fixinig plate 82 includes the first upper surface, the part edge of second fixinig plate 82 is connected to the second fixed link, and, its connection angle and link position between the second fixed link is configured such that, when release-retention mechanism is operationally switched to fastening position from releasing position, the lower surface of the second base portion is close in the first upper surface of the second fixinig plate 82.

Embodiment 12

Figure 39 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 40 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

As shown in figures 39 and 40, release-retention mechanism includes the fixed link 91 that can be connected to the second support arm 22B, and the notch 92 being arranged on the first base portion 21A.In the present embodiment, fixed link 91 is attached via a hinge to the second support arm 22B.The shape of notch 92 and the shape of the free end of fixed link 91 match, so that when release-retention mechanism is switched to fastening position from releasing position, the free end of fixed link 91 It can be fitted closely with notch 92.

Release-the retention mechanism further includes the first barrier sheet 93, the second barrier sheet 94 and third barrier sheet 95.First barrier sheet 93 and the second barrier sheet 94 are arranged on notch 92, when release-retention mechanism is operationally switched to fastening position from releasing position, i.e., when the free end of fixed link 91 and notch 92 fit closely, it is close to the upper surface of fixed link 91 in the lower surface of first barrier sheet 93, the lower surface of fixed link 91 is close in the upper surface of second barrier sheet 94, thus the bar 91 that is fixedly clamped, and limit shaking of the fixed link 91 on the thickness direction of the first base portion 21A.The junction of the second base portion 22A and the second support arm 22B is arranged in third barrier sheet 95, above or below fixed link 91, in the present embodiment, its lower section for being located at fixed link 91, when when release-retention mechanism is operationally switched to fastening position from releasing position, the lower surface of fixed link is close in the upper surface of third barrier sheet, thus further shaking of the limitation fixed link 91 on the thickness direction of the second base portion 22A.

Embodiment 13

Figure 41-42 be according to the dental-floss device of the present embodiment when being not used by the perspective view from two points of observation respectively, Figure 43 is the structural schematic diagram of the fixed link of the dental-floss device of the present embodiment, and Figure 44 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

As shown in Figure 41-44, release-retention mechanism includes the movable fixed link 101 for being connected to the second support arm 22B, the first depression 105 being arranged on the first base portion 21A and the second depression 106, the barrier sheet 104 of junction that the first base portion 21A and the first support arm 21B is arranged in, the non-slipping block 107 that is arranged on the first support arm 21B.In the present embodiment, fixed link 101 is attached via a hinge to the second support arm 22B.Particularly, as shown in figure 43, fixed link 101 includes the first fixinig plate 102 and the second fixinig plate 103 that two width directions along the fixed link 101 extend, and the first fixinig plate 102 and 103 interlaced arrangement of the second fixinig plate are at the both ends of the thickness direction of fixed link 101.

Connection angle and link position between barrier sheet 104 and the first base portion 21A and the first support arm 21B are configured such that, when release-retention mechanism is operationally switched to fastening position from releasing position, fixed link 101 is close to close to the lower surface of a part of the free end of the fixed link 101 in the upper surface of barrier sheet 104, and one of edge of the barrier sheet 104 is close to one of edge of the second fixinig plate 103.

First depression 105 is configured to complementally engage with the second fixinig plate 103, and when release-retention mechanism is operationally switched to fastening position from releasing position, the upper surface of the second fixinig plate 103 is close in the lower surface of the first depression 105.Second depression 106 is configured to complementally engage with a part of the first fixinig plate 103, and when release-retention mechanism is operationally switched to fastening position from releasing position, the lower surface of the first fixinig plate 102 is close in the upper surface of the second depression 106.

The side on the first support arm 21B towards the second support arm 22B is arranged in non-slipping block 107, it extends along the length direction of the first support arm 21B, and its width gradually successively decreases, i.e., has maximum width close to one end of the first base portion 21A, and one end far from the first base portion 21A has minimum widith.Non-slipping block 107 is positioned so as in the position on the first support arm 21B when release-retention mechanism is operationally switched to fastening position from releasing position, the free end of fixed link 101 can be stuck between the non-slipping block 107 and the first base portion 21A by the non-slipping block 107 just, limit the movement of the free end.The width of 107 gradual change of non-slipping block, so that when release-retention mechanism is operationally switched to fastening position from releasing position, it is easy for be caught in the free end of fixed link 101, and when release-retention mechanism is operationally switched to releasing position from fastening position, it needs to expend and releases the free end of fixed link 101 compared with great strength.The non-slipping block 107 and fixed link 101 form buckle configuration.

Embodiment 14

Figure 44 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 45 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 10, and difference is release-retention mechanism structure.In the present embodiment, release-retention mechanism includes the first fixed link 71, the second fixed link 72, first axle 73, second hinge 74 and third hinge 75.The both ends of first axle 73 are respectively connected to the first fixed link 71 and the first support arm 21B, the both ends of second hinge 74 are respectively connected to the first fixed link 71 and the second fixed link 72, and the both ends of third hinge 75 are respectively connected to the second fixed link 72 and the second support arm 22B.In embodiment 10, the shaft of first axle 73, second hinge 74 and third hinge 75 extends along the thickness direction of the first support arm 21B and the second support arm 22B different, in the present embodiment, the shaft of first axle 73, second hinge 74 and third hinge 75 extends along the extending direction of the first support arm 21B and the second support arm 22B.In this way, when the release-retention mechanism of the present embodiment is in releasing position, the first fixed link 71 and the second fixed link 72 be towards the first support arm 21B and the second support arm 22B thickness direction it is outstanding.

In addition, in the present embodiment, the first fixed link 71 has the first supporting walls 76, the second fixed link 72 has the second supporting walls 77.The thickness of first supporting walls 76 and the second supporting walls 77 is configured such that, when release-retention mechanism is operationally switched to fastening position from releasing position, first supporting walls 76 and the second supporting walls 77 are snugly into each other and can bear pressure, to prevent the first fixed link 71 from being further depressed with the second fixed link 72.Preferably, the thickness of the first fixed link 71 is maximum at the first supporting walls 76, and the thickness of the second fixed link 72 is maximum at the second supporting walls 77.

Embodiment 15

Figure 46 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 47 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 10, difference is: gripper 37 includes the first gripper 37A and the second gripper 37B, first gripper 37A is connected to the first base portion 21A, second gripper 37B is connected to the second base portion 22A, be spaced apart identical gap, the hinge 33 between the first base portion 21A and the second base portion 22A of first gripper 37A and the second gripper 37B is located at the end of the first gripper 37A and the second gripper 37B.

Embodiment 16

Figure 48 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 49 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 10, and difference is: in embodiment 10, dental-floss device is F type dental-floss device, and in the present embodiment, dental-floss device is Y type dental-floss device.

Embodiment 17

Figure 50 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 51 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 14, and difference is: in embodiment 14, dental-floss device is F type dental-floss device, and in the present embodiment, dental-floss device is Y type dental-floss device.

Embodiment 18

Figure 52 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 53 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

In the present embodiment, as shown in Figure 52-53, dental-floss device include the first base portion 21A, the second base portion 22A, First support arm 21B, the second support arm 22B, hinge 33, dental floss section 11 and gripper 37.Second base portion 22A is hinged to the first base portion 21A, and operationally switches between releasing position and fastening position.Specifically, the first base portion 21A and the second base portion 22A is respectively connected to the both ends of hinge 33, and the shaft of hinge 33 extends along the width direction of the first base portion 21A and the second base portion 22A.The top of gripper 37 is connected to the first base portion 21A.The bottom end of first support arm 21B is connected to the first base portion 21A, and the bottom end of the second support arm 22B is connected to the second base portion 22A, the first support arm 21B and the second support arm 22B and is spaced apart to limit interval between the first support arm 21B and the second support arm 22B.Dental floss section 11 includes first end and second end, and first end is connected to the top of the first support arm 21B, and second end is connected to the top of the second support arm 22B.When the second base portion 22A is switched to the fastening position from the releasing position, second base portion 22A is engaged with the first base portion 21A, and the distance between the top of the first support arm 21B and the top of the second support arm 22B are greater than the distance between the top on the top of the first support arm 21B and the second support arm 22B when the second base portion 22A is in releasing position.

Furthermore, first base portion 21A has the first supporting walls engaged with the second base portion 22A, second base portion 22A has the second supporting walls engaged with the first base portion 21A, when the second base portion 22A is in fastening position, first supporting walls and the second supporting walls are snugly into each other and can bear pressure, to prevent the second base portion 22A from being further rotated.

In use, user pushes the second base portion 22A to rotate around the first base portion 21A, until the second supporting walls of the second base portion 22A are adjacent to the first supporting walls of the first base portion 21A and engage, at this time, the distance between the top of first support arm and the top of the second support arm increase, and make the dental floss end tight to stretch dental floss section.The length and width of first supporting walls and the second supporting walls is configured so that, when the second base portion 22A is in fastening position, the second base portion 22A is not easy further to be rotated, and is also not easy to loosen.

Embodiment 19

Figure 54 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 55 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 18, and difference is: in embodiment 18, dental-floss device is F type dental-floss device, and in the present embodiment, dental-floss device is Y type dental-floss device.

Embodiment 20

Figure 56 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, according to Figure 57 The structural schematic diagram of the dental-floss device of the present embodiment when in use.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 3, and difference is that the dental-floss device of the present embodiment further includes release-retention mechanism 70.

As shown in Figure 56 and 57, release-retention mechanism 70 includes arcual component, and one end of the arcual component is connected to the first base portion 21A, and the other end of the arcual component is connected to the second base portion 22A, so that forming arch between the first base portion 21A and the second base portion 22A.The thickness of the arcual component and the height of arch are configured such that, when bearing the pressure of user's application, arch member will be switched to fastening position from releasing position, the second supporting walls of the first supporting walls of first base portion 21A and the second base portion 22A are snugly into each other and can bear pressure, to prevent the further rotation of the first base portion 21A and the second base portion 22A relative to each other.

Arcual component 70 is usually by semi-rigid material, for example, polypropylene (polypropylene) plastics, are made.For dental-floss device shown in Figure 56, arcual component arches upward upwards, and when user applies top-down pressure to arcual component, the arch member made of semi-rigid material will generate deformation, be flipped the direction of arch, as shown in figure 57.While arch overturning, first gripper 31 and the second gripper 32 rotate around hinge, the first support arm and the second support arm is driven to rotate so that the distance between the end of the first support arm and the end of the second support arm increase, so that dental floss section be tightened whereby.After dental floss section is tauted, dental floss section will apply resistance to the first support arm and the second support arm, to prevent the first gripper 31 and the second gripper 32 from continuing to rotate.Meanwhile after arcual component is turned to tightening state, unless being squeezed by external force, otherwise arch member will be always maintained at and overturn later state.Whereby, even if no longer applying pressure to handle, dental floss section can also be always maintained at tensioned state.

Embodiment 21

Figure 58 is the structural schematic diagram according to the dental-floss device of the present embodiment when being not used by, and Figure 59 is the structural schematic diagram according to the dental-floss device of the present embodiment when in use.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 20, and difference is that the first gripper 31 of the dental-floss device of the present embodiment is shorter, and the second gripper 32 is wider.

As shown in Figure 58 and 59, one end that the first gripper 31 is connected to the first base portion is flushed with one end that the second gripper is connected to the second base portion, but the first gripper 31 is significantly shorter than the second gripper 32.In addition, the second gripper 32 is significantly wider than the first gripper 31, for example, the width of the second gripper 32 is approximately twice of the width of the first gripper 31.

Using the dental-floss device of the present embodiment, user only needs to grasp the second gripper 31, without grasping the first gripper 32.

Embodiment 22

The dental-floss device of the present embodiment includes separable dental floss bracket and gripper, and dental floss bracket is adapted to be detachably mounted to gripper.

Figure 60 is the perspective view of the dental floss bracket separated when not working with gripper according to the dental-floss device of the present embodiment.Dental floss bracket 20 includes the first base portion 21A, the second base portion 22A, hinge 33, the first support arm 21B, the second support arm 22B, dental floss end 11.The both ends of hinge 33 are respectively connected to the first base portion 21A and the second base portion 22A, and the shaft of hinge 33 extends along the thickness direction of the first base portion 21A and the second base portion 22A.The bottom end of first support arm 21B is connected to the first base portion 21A, and the bottom end of the second support arm 22B is connected to the second base portion 22A, the first support arm 21B and the second support arm 22B and is spaced apart to limit interval between the first support arm 21B and the second support arm 22B.Dental floss section 11 includes first end and second end, and first end is connected to the top of the first support arm 21B, and second end is connected to the top of the second support arm 22B.

In the present embodiment, dental floss bracket 20 further includes the first insertion part 21C being arranged on the first base portion 21A, and the second insertion part 22C being arranged on the second base portion 22A.

Figure 61 is the perspective view for the gripper that the dental-floss device of the present embodiment is separated when not working with dental floss bracket.As shown, gripper 37 is provided with the securement head 371 with insertion groove 372.First insertion part 21C and the second insertion part 22C is disposed as to snap connection with insertion groove 372, also, when the first insertion part 21C and the second insertion part 22C is snapped connection with insertion groove 372 simultaneously, dental floss bracket 20 is mounted on gripper 37.When dental floss bracket 20 is mounted on gripper 37, the distance between top of the top of the first support arm 21B and the second support arm 22B is greater than the distance between the top on the top of first support arm 21B and the second support arm 22B when dental floss bracket 20 is disassembled from gripper 37.

Figure 62 is that the dental-floss device of the present embodiment prepares perspective view when being installed into gripper in dental floss bracket.As shown in the figure, before dental floss bracket 20 is installed into gripper 37, the first base portion 21A and the second base portion 22A need to be pressed with relative direction rotates the first base portion 21A and the second base portion 22A around hinge 33, so that the first base portion 21A and the second base portion 22A are close together.At this point, the first insertion part 21C and the second insertion part 22C are also close together, the distance between top of the top of the first support arm and the second support arm increases, so that dental floss section is stretched, so that dental floss section is tight.Hereafter, the first insertion part 21C and second is inserted Entering component 22C will be inserted into the insertion groove 372 of securement head 371, as shown in Figure 63, pass through snapping connection so that dental floss bracket 20 is fixed in securement head 371 for the first insertion part 21C and the second insertion part 22C and insertion groove 372, and insertion groove 372 keeps the first insertion part 21C and the second insertion part 22C to be close together, to prevent the separation of the first base portion 21A and the second base portion 22A, dental floss section is able to maintain tight.

The peripheral shape of first insertion part and the second insertion part is configured as, when the first insertion part and the second insertion part are close together the insertion groove for being inserted into securement head, the exterior contour of the insertion part component of the first insertion part and the second insertion part composition is close to the in-profile of insertion groove.Width becomes narrow gradually while first insertion part and the second insertion part are configured to extend outwardly from the first base portion and the second base portion respectively, also, insertion groove is configured to become narrow gradually from for receiving width while insertion part component receiving end extends to end.

Embodiment 23

Figure 64 is the perspective view for the dental floss bracket that the dental-floss device of the present embodiment is separated when not working with gripper, and Figure 65 is that the dental floss bracket of the present embodiment is preparing perspective view when being installed into gripper.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 22, and difference is that the shaft for connecting the hinge of the first base portion and the second base portion extends along the length direction of the first base portion and the second base portion.

As shown in Figure 64, the both ends of the hinge 33 of dental floss bracket are respectively connected to the first base portion 21A and the second base portion 22A, and the shaft of hinge 33 extends along the length direction of the first base portion 21A and the second base portion 22A.Before dental floss bracket is installed into gripper, the first base portion 21A and the second base portion 22A need to be rotated to parallel position, so that the first base portion 21A and the second base portion 22A are close together, as shown in Figure 65, at this point, the dental floss bracket of the present embodiment is consistent with the dental floss bracket shape in embodiment 22 before preparing to be installed into gripper.

Embodiment 24

Figure 66 is the structural schematic diagram of the dental floss bracket of the dental-floss device of the present embodiment, Figure 67 is the exploded view of the insertion groove of the gripper of the dental-floss device of the present embodiment, Figure 68 is perspective view of the dental-floss device of the present embodiment when dental floss bracket is installed into gripper, and securement head is decomposed into two parts in order to facilitate observation of.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 22, and difference is the connection type of dental floss bracket and gripper.

In the present embodiment, as shown in Figure 66, hinge 33 is connected to the bottom of the first base portion 21A and the second base portion 22A.Between the first base portion 21A and the second base portion 22A, the top of hinge 33 setting jagged 111, the width of notch 111 gradually successively decreases downwards from aperture position.As shown in Figure 67, gripper 37 is provided with the securement head with insertion groove, which is suitable for snapping connection the first base portion 21A and the second base portion 22A simultaneously.Retainer 112 is provided in the insertion groove, in the present embodiment, retainer 112 is wedge block.Retainer 112 is from the bottom of insertion groove, for example, middle position, extends outwardly, and width gradually successively decreases.

Notch 111 is set as when the first base portion 21A and the second base portion 22A insertion insertion groove, and the opening of notch 111 is magnified.The Internal periphery shape of notch 111 is similar to the outer contour shape of retainer 112, and the maximum width of notch 111 is less than the maximum width of retainer 112.

The width of the securement head of gripper 37, that is the width of insertion groove, greater than the distance between the first support arm and the bottom of the second support arm being separately fixed on the first base portion 21A and the second base portion 22A, therefore when dental floss bracket is snapped connection to insertion groove, first base portion 21A and the second base portion 22A around hinge 33 rotation and away from each other, increase so as to cause the top for the first support arm being fixed on the first base portion 21A with the distance between the top of the second support arm being fixed on the second base portion 22A, dental floss section is tauted.Meanwhile retainer 112 is inserted into notch 111, and the outer profile of retainer 112 is close to the Internal periphery of notch 111, so that dental floss bracket be prevented to swing.

Embodiment 25

Figure 69 is the perspective view of support arm of the dental-floss device of the present embodiment when not working with dental floss section, and Figure 70 is the enlarged perspective on dental-floss device head of gripper when not working of the present embodiment, and Figure 71 is the perspective view of the dental-floss device of the present embodiment when in use.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 3, and difference is that support arm and base portion are separable.

As shown in Figure 69, the bottom end of the first support arm 21B is provided with the first inserting block 21D, and the bottom end of the second support arm 22B is provided with the second inserting block 22D, is connected with dental floss section 11 between the top of the first support arm 21B and the top of the second support arm 22B.As shown in Figure 70, the first base portion 21A is provided with the first insertion groove 21E, the second base portion 22A and is provided with the second insertion groove 22E.First inserting block 21D can be snapped connection to the first insertion groove 21E, the second inserting block 22D and can be snapped connection to the second insertion groove 22E.

Before use, the first insertion groove 21E need to be inserted into respectively by the first inserting block 21D and the second inserting block 22D In the second insertion groove 22E, it is configured by the buckle between the first inserting block 21D and the first insertion groove 21E, and the second buckle configuration between inserting block 22D and the second insertion groove 22E, the first support arm 21B and the second support arm 22B are separately fixed on the first base portion 21A and 22A, as shown in Figure 71.The use process of the dental-floss device of the present embodiment is identical as the use process of the dental-floss device of embodiment 3, and details are not described herein.

According to the dental-floss device of the present embodiment, when dental floss section needs replacing, no replacement is required entire dental-floss device only needs to change the support arm for connecting the dental floss section, is not only conveniently replaceable but also economizes on resources in this way.

Embodiment 26

Figure 72 is close up perspective view of the dental-floss device of the present embodiment when being not installed with dental floss, Figure 73 is the perspective view of the dental floss of the present embodiment, Figure 74 is close up perspective view of the dental-floss device of the present embodiment when installing dental floss, and Figure 75 is close up perspective view of the dental-floss device of the present embodiment after installing dental floss.

The dental-floss device of the present embodiment is roughly the same with the dental-floss device of embodiment 3, and difference is dental floss that annular is arranged on support arm, removable.

As shown in Figure 72, the the second card slot 22F for being provided on the first the card slot 21F, the second support arm 22B and the second base portion 22A extended along the lateral surface of the first support arm 21B and first base portion 21A and extending along the lateral surface of the second support arm 22B and second base portion 22A is provided on first support arm 21B and the first base portion 21A.As shown in Figure 73, dental floss is annular ring, is suitable for being clamped in the first card slot 21F and the second card slot 22F, thus be connected to by way of it can be removed the first base portion 21A, the second base portion 22A, the first support arm 21B, on the second support arm 22B.

As shown in Figure 74, before dental floss 11 is mounted on dental-floss device, user need to apply pressure to the first gripper and the second gripper and the first gripper and the second gripper around hinge be rotated and close to each other, to drive the first base portion and the second base portion also close to each other, until can be by 11 sets of the dental floss outsides in the first base portion 21A, the second base portion 22A, the first support arm 21B, the second support arm 22B.By 11 sets of dental floss the first base portion 21A, the second base portion 22A, the first support arm 21B, the second support arm 22B outside after, user unclamps the first gripper and the second gripper, dental floss 11 will be clamped in the first card slot 21F and the second card slot 22F, and one section of dental floss is limited between the top of the first support arm 21B and the top of the second support arm 22B, as shown in Figure 75.The use process of the dental-floss device of the present embodiment is identical as the use process of the dental-floss device of embodiment 3, and details are not described herein.

According to the dental-floss device of the present embodiment, when dental floss needs replacing, no replacement is required entire dental-floss device is only needed Replacement connects the dental floss, is not only conveniently replaceable but also economizes on resources in this way.

The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, and but it cannot be understood as limitations on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the premise, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims

A kind of dental-floss device comprising:

First base portion；

Second base portion；

The first elongated gripper, top are connected to first base portion；

The second elongated gripper is arranged side by side with first gripper, and its top is connected to second base portion；

Hinge, its both ends is connected respectively to first gripper and second gripper, and the shaft of the hinge extends along the length direction of first gripper and second gripper, so that first gripper and second gripper can be rotated around the shaft of the hinge；

First support arm, bottom end are connected to first base portion；

Second support arm, bottom end are connected to second base portion, and first support arm is spaced apart to limit interval between first support arm and second support arm with second support arm；

Dental floss section comprising first end and second end, the first end are connected to the top of first support arm, and the second end is connected to the top of second support arm；

Wherein, the distance between the top of first support arm and the top of second support arm can rotate around the shaft of the hinge with first gripper or second gripper and be increased.
Dental-floss device according to claim 1, it is characterized by: first gripper has the first distal end that the shaft around the hinge rotates, second gripper has the second distal end that the shaft around the hinge rotates, when first distal end and second distal end close to each other, the distance between top of the top of first support arm and second support arm increases.
Dental-floss device according to claim 1, it is characterized by: first gripper has the first distal end that the shaft around the hinge rotates, second gripper has the second distal end that the shaft around the hinge rotates, when first distal end and it is described second distal end away from each other when, the distance between top of the top of first support arm and second support arm increase.
Dental-floss device according to claim 1, it is characterised in that: the toothpick component that can be used for picking one's teeth is set in the tail portion of first gripper or second gripper.
Dental-floss device according to claim 1, it is characterised in that: shown first gripper and/ Or multiple protrusions are set on the outer surface of second gripper.
Dental-floss device according to claim 1, it is characterized by: the dental-floss device further includes release-retention mechanism, release-the retention mechanism is set as operationally switching between releasing position and fastening position, when operating the release-retention mechanism and be in fastening position, the distance between top of the top of first support arm and second support arm be greater than when the release-retention mechanism is in releasing position described in the top of the first support arm and the distance between the top of second support arm.
Dental-floss device according to claim 1, it is characterized by: the bottom end of first support arm and second support arm is respectively arranged with the first inserting block and the second inserting block, first base portion and second base portion are respectively arranged with the first insertion groove and the second insertion groove, first inserting block can be snapped connection to first insertion groove, and second inserting block can be snapped connection to second insertion groove.
A kind of dental-floss device comprising:

First base portion；

There are gaps between second base portion, with first base portion；

Gripper, top are connected to first base portion；

First support arm, bottom end are connected to first base portion；

Second support arm, bottom end are connected to second base portion, and second support arm is spaced apart to limit interval between first support arm and second support arm with first support arm；

Dental floss section comprising first end and second end, the first end are connected to the top of first support arm, and the second end is connected to the top of second support arm；

Hinge, both ends are respectively connected to first base portion and second base portion, and the shaft of the hinge extends along the thickness direction of the gripper；

Release-retention mechanism, it is set as operationally switching between releasing position and fastening position, when operating the release-retention mechanism and be in fastening position, the distance between top of the top of first support arm and second support arm be greater than when the release-retention mechanism is in releasing position described in the top of the first support arm and the distance between the top of second support arm.
Dental-floss device according to claim 8, it is characterised in that: the release-retention mechanism includes:

First movable part is hinged to first base portion；

Second movable part is hinged to second base portion；

Wherein, when the release-retention mechanism is in the fastening position, first movable part is engaged with second movable part.
Dental-floss device according to claim 8, it is characterised in that: the release-retention mechanism includes:

First connecting portion part is fixed on first base portion；

Second connecting portion part is hinged to second base portion；

Wherein, when the release-retention mechanism is in the fastening position, described first connecting portion part is engaged with the second connecting portion part.
A kind of dental-floss device comprising:

Gripper；

Dental floss bracket is adapted to be detachably mounted to the gripper, which includes:

First base portion；

Second base portion；

Hinge, both ends are respectively connected to first base portion and second base portion；

First support arm, bottom end are connected to first base portion；

Second support arm, bottom end are connected to second base portion, and first support arm is spaced apart to limit interval between first support arm and second support arm with second support arm；

Dental floss section comprising first end and second end, the first end are connected to the top of first support arm, and the second end is connected to the top of second support arm；

Wherein, when the dental floss bracket is mounted on the gripper, the distance between top of the top of first support arm and second support arm be greater than when the dental floss bracket is disassembled from the gripper described in the top of the first support arm and the distance between the top of second support arm.
Dental-floss device according to claim 11, which is characterized in that the shaft of the hinge extends along the thickness direction of first base portion and second base portion.
Dental-floss device according to claim 11, which is characterized in that the shaft of the hinge extends along the length direction of first base portion and second base portion.
Dental-floss device according to claim 12 or 13, it is characterized in that, the gripper is provided with the securement head with insertion groove, first base portion is provided with the first insertion part that can be snapped connection with the insertion groove, second base portion is provided with the second insertion part that can be snapped connection with the insertion groove Wherein, when first insertion part and second insertion part are snapped connection with the insertion groove simultaneously, the dental floss bracket is mounted on the gripper.
Dental-floss device according to claim 12, which is characterized in that the gripper is provided with the securement head with insertion groove, and the insertion groove is suitable for snapping connection first base portion and second base portion simultaneously；

The bottom for being hingedly connected at first base portion and second base portion, between first base portion and second base portion, the top of the hinge setting it is jagged, the notch is set as when first base portion and second base portion insertion insertion groove, and the opening of the notch is magnified.
Dental-floss device according to claim 12, it is characterized in that, retainer is provided in the insertion groove, the retainer extends outwardly from the bottom of the insertion groove, and is suitable for putting in the notch when first base portion and second base portion are inserted into the insertion groove of the securement head and abut with the notch.