CN108066022B - Dental floss stick convenient to use - Google Patents
Dental floss stick convenient to use Download PDFInfo
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- CN108066022B CN108066022B CN201810050941.4A CN201810050941A CN108066022B CN 108066022 B CN108066022 B CN 108066022B CN 201810050941 A CN201810050941 A CN 201810050941A CN 108066022 B CN108066022 B CN 108066022B
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- dental floss
- teeth
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- skid plate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C15/00—Devices for cleaning between the teeth
- A61C15/04—Dental floss; Floss holders
- A61C15/041—Dental floss
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- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
本发明公开了一种使用方便牙线棒，包括本体以及安装在本体上的牙线，所述本体包括U型的牙线安装头和用于拿持的棒体，所述牙线安装头上设有助力装置，所述助力装置包括卡接在牙线安装头上的卡扣件，在卡扣件的底部安装有回弹件，在所述卡扣件的顶部设置有用于和牙齿接触的防滑板一，在回弹件的底部设置有防护垫，所述防护垫的顶部固定连接有定位杆，定位杆远离防护垫的一端插入卡扣件底部开设的定位孔内，本发明提出了一种使用方便牙线棒，具备防止牙线进入牙缝时力量的突然释放损伤牙乳头，借助回弹力和牙齿的咬合力使牙线在牙缝中运动，达到清理牙缝的目的。
The invention discloses an easy-to-use dental floss stick, comprising a body and a dental floss mounted on the body. The body comprises a U-shaped dental floss mounting head and a stick body for holding, and the dental floss mounting head is on the A booster device is provided, the booster device includes a buckle piece that is clamped on the dental floss installation head, a resilient piece is installed at the bottom of the buckle piece, and a top of the buckle piece is provided for contact with the teeth. One anti-skid plate, a protective pad is arranged at the bottom of the resilient piece, the top of the protective pad is fixedly connected with a positioning rod, and the end of the positioning rod away from the protective pad is inserted into the positioning hole opened at the bottom of the clip. The present invention proposes a The convenient-to-use dental floss stick is capable of preventing the dental floss from being suddenly released and damaging the dental papilla when the dental floss enters the interdental space. The dental floss moves in the interdental space with the help of the resilience and the occlusal force of the teeth, so as to achieve the purpose of cleaning the interdental space.
Description
Technical Field
The invention relates to the technical field of dental floss, in particular to a dental floss rod convenient to use.
Background
The dental floss is very effective in cleaning dental plaque on the adjacent surface by using nylon wires, silk wires or polyester wires;
the existing dental floss rod is mostly formed by integrally pouring a mould, the dental floss rod with an integral structure is mostly a disposable dental floss rod, the integral material of the dental floss rod is made of one material, the elasticity and the hardness of the dental floss rod are limited, for example, Chinese patent discloses a dental floss rod with a tight dental floss and a manufacturing device and a manufacturing method thereof (application publication No. CN 104546177A), the dental floss rod disclosed by the scheme is integrally injection-molded, the shrinkage rate of the part of the dental floss rod, which is closer to the outer side, of the material of a dental floss bracket part is larger, the dental floss is tensioned and straightened by tension generated by the shrinkage rate of the outer side, and the dental floss rod can be suitable for various dental flosses;
the Chinese patent discloses a method: the tooth bar structure (application publication No. CN 102949246A) increases the distance between the handle body and the dental floss through the first bending part and the second bending part, so that when a user holds the handle body of the tooth bar to clean the rear tooth gaps, the tooth bar is not influenced by the mouth angle, the cleaning part is arranged at the periphery of the brush body, and the cleaning part can clean out the scraps and residues left in the tooth gaps when cleaning the teeth again.
Both the above solutions solve the problems of the dental floss rod from the using point of view, but as a mature product, the problem needs to be considered not only when the dental floss rod is used, but rather, the condition of the user himself, the purpose of which is to clean the interdental spaces, the method is to clean the teeth by moving the dental floss up and down in the crevices of the teeth, but when the dental floss is used for the first time or used for the first time, the user is relatively loose due to the use method, the force is not easy to control, the force is suddenly released to hurt the papilla of the tooth when the dental floss enters the slit between the teeth, the dental floss is easy to press down too hard when moving up and down, the dental floss can hurt the papilla of the tooth, the experience feeling is poor, in addition, the existing method for using the dental floss rod adopts a mode of moving up and down by holding the dental floss rod to clean the dental gaps, and has low cleaning efficiency and inconvenient use.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a dental floss rod convenient to use, which solves the problems that a nipple is damaged due to sudden release of force when the existing dental floss enters a slit between teeth, and the slit between teeth is cleaned in a mode of moving the dental floss rod up and down by hand, the cleaning efficiency is low, and the use is inconvenient.
The invention provides the following technical scheme: the utility model provides a convenient to use dental floss stick, includes the body and installs the dental floss on the body, the body includes the installation head of the dental floss of U type and is used for the barred body of taking hold, the overhead booster unit that is equipped with of dental floss, booster unit includes the buckle spare of joint at the installation head of dental floss, installs the rebound spare in the bottom of buckle spare the top of buckle spare is provided with the antiskid ribbed tile that is used for with the tooth contact one, is provided with the protection pad in the bottom of rebound spare, the top fixedly connected with locating lever of protection pad, locating lever keep away from the one end of protection pad and insert in the locating hole that buckle spare bottom was seted up.
The dental floss fixing device is characterized in that the bottom of the protective pad is connected with a supporting leg, the bottom of the supporting leg is provided with a second anti-slip plate used for being in contact with teeth, an elastic piece is installed on the inner side of the supporting leg, and one end, far away from the supporting leg, of the elastic piece is installed on the dental floss mounting head.
The buckling part comprises a main board, two buckling feet are arranged on the front face of the main board, a buckling area is formed between the two buckling feet, and a protruding part for locking is arranged at the tail ends of the buckling feet.
Preferably, the rebound piece comprises a connecting plate and a rebound rod, and the rebound rod is made of pe medical plastic with rebound elasticity.
Preferably, the aperture of the positioning hole is larger than the diameter of the positioning rod, and the length of the positioning rod is larger than the length of the rebound rod when the rebound rod is completely unfolded.
Preferably, the rod body is connected with the connecting piece in an inserting mode, the connecting piece is provided with a clamping groove matched with the connecting end of the rod body, and the connecting end of the rod body is provided with a clamping block matched with the clamping groove.
Preferably, the dental floss mounting head is connected with the connecting piece in an inserting manner, the connecting piece is provided with a clamping groove matched with the connecting end of the dental floss mounting head, and the connecting end of the dental floss mounting head is provided with a clamping block matched with the clamping groove.
Preferably, the bottom of the second antiskid plate is provided with an arc-shaped groove, the surface of the second antiskid plate is covered with a film, and the top of the first antiskid plate is provided with antiskid teeth.
Preferably, the using method comprises the following steps:
s1, firstly, pinching the rod body or the dental floss mounting head by fingers, contacting the teeth with the anti-slip plate II on the supporting legs, and slightly biting the dental floss into the slits between the teeth;
s2, enabling the upper teeth and the lower teeth to be in contact with the first anti-skid plate and the second anti-skid plate through occlusion;
s3, pinching the rod body by using fingers, rotating the rod body in the direction opposite to the teeth to be cleaned, and enabling the rod body to drive the dental floss mounting head to incline so that the dental floss is contacted with the teeth to be cleaned;
s4, directly occluding, wherein in the occluding process, the second anti-slip plate and the first anti-slip plate are both fixedly contacted with teeth, the positioning rod moves up and down in the positioning hole, when the rebound piece and the elastic piece are occluded downwards, the rebound piece is in a compression state, the elastic piece is in a stretching state, and the elasticity and the pulling force on the elastic piece reset the dental floss when the elastic piece and the pulling force are released to occlude downwards, so that the teeth are cleaned;
and S5, after one side is cleaned, other interdental cleaning is carried out by using the same method.
Preferably, the bar body is provided with a groove, and a holding and pinching piece is arranged in the groove.
The invention provides a dental floss rod convenient to use, which can prevent the situation that the nipples are damaged by the sudden release of strength when dental floss enters gaps between teeth, has good operation feeling, and is mainly embodied in that a power assisting device is arranged, so that the dental floss moves in the gaps between the teeth by means of resilience force and biting force of the teeth, the dental floss rod is more convenient to use, the use mode of the existing dental floss is improved by the characteristic that the dental floss rod can be inclined and reset, the use mode of the existing dental floss is more convenient and faster, the use mode of the existing dental floss rod is not completely stopped, and a user can carry out various selections when using the dental floss rod.
The auxiliary device is arranged, the anti-skid plate II on the supporting leg is firstly in initial contact with teeth, and then the dental floss is bitten into a tooth gap in a pulling saw mode, so that the injury to the nipples of the teeth caused by overexertion during dental floss embedding can be effectively reduced, the arc-shaped bottom of the anti-skid plate II is convenient for the back and forth movement of the anti-skid plate II after the contact with the teeth, and the film at the bottom of the anti-skid plate II can also be used for simply cleaning residues on the teeth.
The dental floss rod has certain resetting capability through the resilience of the rebound piece and the elastic piece, and the processes of occlusion cleaning and resetting are completed by matching the anti-slip plate I and the anti-slip plate II, so that the traditional dental floss rod is improved to be used by repeatedly pressing down and lifting up the wrist of a user, the use is more comfortable, the generation of sore wrist is reduced, and the operability of the dental floss rod is improved; and its resilience of elastic component also can help two back-and-forth movements of antiskid ribbed tile to reset, makes things convenient for the dental floss to get into, and resilience piece and elastic component also possess certain pulling force moreover, can prevent that the dental floss from imbedding too fiercely equally, avoid the injury to the tooth nipple.
The positioning hole and the positioning rod arranged in the invention can enable the upper half part and the lower half part of the power assisting device to be integrated when the rod body is rotated, and the power assisting device can not rotate along with the dental floss mounting head through occlusion and fixation of teeth, thereby the dental floss mounting head can rotate in the buckling area of the power assisting device, the aperture of the positioning hole is larger than the diameter of the positioning rod, even if the upper half part or the lower half part of the power assisting device tilts along with the rotation of the dental floss mounting head, the power assisting device can be connected with the other part, so that the power assisting device keeps a vertical whole, the power assisting device can work normally when the dental floss is attached to the edge of teeth, the inclination of its dental floss installation head is very little, can not exert an influence to booster unit's resilience, and the locating lever is located between the buckle spare with resilience piece simultaneously, and the length of locating lever is greater than the length when resilience piece expandes, can prevent that booster unit from producing the separation.
The dental floss pick is provided with the connecting piece, the whole dental floss rod is divided into two parts by the connecting piece, the replacement can be carried out, the use is matched, the function and the use of the dental floss rod are closer to the life, the dental floss mounting head and the rod body are separated, one of the dental floss mounting head and the rod body is prevented from being damaged, the whole dental floss rod is discarded, the storage is simpler, the mutual insertion between the rod body and the dental floss mounting head is avoided, and the dental floss pick is not easy to take when in use.
The protective pad is matched with the rebound piece, so that the contact range of the rebound piece and teeth is expanded, the rebound piece can perform rebound protection when the rebound piece can be pressed down at all angles, and a user can feel more relieved when using the protective pad.
Drawings
Fig. 1 is a schematic structural view of a front view of the present invention.
FIG. 2 is an exploded view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic structural diagram of a front view of a booster of the present invention;
FIG. 4 is a schematic side view of the present invention;
3 FIG. 3 5 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3 according 3 to 3 the 3 present 3 invention 3. 3
In the figure: the dental floss pick-up device comprises a body 1, a dental floss 2, a dental floss mounting head 3, a rod 4, a groove 5, a pinching piece 6, a power assisting device 7, a buckling piece 71, a main board 711, a buckling foot 712, a protruding piece 713, a springback piece 72, a connecting board 721, a springback rod 722, a protective pad 73, a first anti-skid board 74, a positioning rod 75, a supporting foot 76, a second anti-skid board 77, an elastic piece 78, a positioning hole 79 and a connecting piece 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a dental floss stick convenient to use comprises a body 1 and a dental floss 2 arranged on the body 1, wherein the body 1 comprises a U-shaped dental floss mounting head 3 and a stick body 4 for holding, a power assisting device 7 is arranged on the dental floss mounting head 3,
helping hand device 7 can be reasonable avoid the user to injure the papilla of tooth when using the dental floss stick for the first time the condition, and possess good operation sense, mainly embody and set up helping hand device 7, it is more convenient not only to make the dental floss stick use, through its characteristic that can incline and reset, current dental floss 2 using-way has been improved, make its convenient and fast who uses more, and the using-way of stopping current dental floss stick completely, make the user when using, can carry out the various selections.
Referring to fig. 3-5, the assisting device 7 includes a fastening member 71 fastened to the dental floss mounting head 3, the fastening is performed in a manner favorable for a dental floss rod with replaceable dental floss, the assisting device 7 can be used not only on a disposable dental floss rod, but also on a dental floss rod with replaceable dental floss 2, a resilient member 72 is mounted at the bottom of the fastening member 71, a first anti-slip plate 74 for contacting with teeth is disposed at the top of the fastening member 71, a protection pad 73 is disposed at the bottom of the resilient member 72, a positioning rod 75 is fixedly connected to the top of the protection pad 73, and one end of the positioning rod 75 away from the protection pad 73 is inserted into a positioning hole 79 formed at the bottom of the fastening member 71.
The positioning hole 79 and the positioning rod 75 arranged in the invention can enable the upper half part and the lower half part of the power assisting device 7 to be integrated when the rod body 4 is rotated, and the upper half part and the lower half part of the power assisting device 7 can not rotate along with the dental floss mounting head 3 through occlusion and fixation of teeth, so that the dental floss mounting head 3 can rotate in a buckling area of the power assisting device 7, the aperture of the positioning hole 79 is larger than the diameter of the positioning rod 75, even if the upper half part or the lower half part of the power assisting device 7 inclines along with the rotation of the dental floss mounting head 3, the upper half part or the lower half part can be connected with the other part, the power assisting device 7 can keep a vertical whole, when the dental floss is attached to the edge of the teeth, the power assisting device 7 can normally.
The bottom of the protective pad 73 is connected with a supporting foot 76, the bottom of the supporting foot 76 is provided with a second anti-skid plate 77 for contacting with teeth, the supporting foot 76 is positioned on the second anti-skid plate 77 and extends the position of the second anti-skid plate 77, an elastic member 78 is arranged on the inner side of the supporting foot 76, and one end of the elastic member 78 far away from the supporting foot 76 is arranged on the dental floss mounting head 3.
The elastic piece 72 and the elastic piece 78 are arranged, the dental floss rod has certain resetting capability through the self elastic resilience of the two pieces, and the processes of occlusion cleaning and resetting are completed by matching the first anti-skid plate 74 and the second anti-skid plate 77, so that the traditional dental floss rod is improved to be used by repeatedly pressing down and lifting up the wrist of a user, the use is more comfortable, the generation of sore wrist is reduced, and the operability of the dental floss rod in use is improved; and its resilience of elastic component also can help the second 77 of antiskid ribbed tile to reset when moving back and forth, makes things convenient for the dental floss to get into, and rebound component 72 and elastic component 78 also possess certain pulling force moreover, can prevent the dental floss to imbed too violently equally, avoid the injury to the tooth nipple. The spring 78 itself can perform the effect of both up and down reset and tilt reset.
Set up booster unit 7, through the first contact with tooth of antiskid plate two 77 on the supporting legs 76, then use the mode of drag saw to bite into the tooth seam with the dental floss, the injury that produces the tooth nipple when hard too violently when can effectual reduction dental floss embedding like this, wherein the arc of antiskid plate two 77 bottoms makes things convenient for the back-and-forth movement after antiskid plate two 77 and the tooth contact, and the film of its bottom also can simply clear up the residue on the tooth.
The latch 71 includes a main plate 711, two fastening legs 712 are disposed on the front surface of the main plate 711, a latching area is formed between the two fastening legs 712, and a protrusion 713 for locking is disposed at the end of the fastening legs 712.
The resilient member 72 includes a connecting plate 721 and a resilient rod 722, and the resilient rod 722 is made of a resilient pe medical plastic.
The diameter of the positioning hole 79 is larger than the diameter of the positioning rod 75, and the length of the positioning rod 75 is larger than the length of the resilient rod 722 when it is fully extended. The positioning rod 75 and the resilient member 72 are positioned between the engaging members 71, and the length of the positioning rod 75 is longer than the length of the resilient member 72 when it is extended, so that the booster 7 is prevented from being separated.
The rod body 4 is connected with the connecting piece 12 in an inserting mode, a clamping groove matched with the connecting end of the rod body 4 is formed in the connecting piece 12, and a clamping block matched with the clamping groove is arranged at the connecting end of the rod body 4.
The dental floss mounting head 3 is connected with the connecting piece 12 in an inserting mode, the connecting piece 12 is provided with a clamping groove matched with the connecting end of the dental floss mounting head 3, and the connecting end of the dental floss mounting head 3 is provided with a clamping block matched with the clamping groove.
The dental floss holder is provided with the connecting piece 12, the whole dental floss rod is divided into two parts by the connecting piece 12, the replacement and the use can be carried out, the function and the use of the dental floss rod are closer to the life, the dental floss mounting head 3 is separated from the rod body 4, one of the dental floss mounting head and the rod body is prevented from being damaged, the whole dental floss rod is discarded, the storage is simpler, the mutual insertion between the rod body 4 and the dental floss mounting head 3 is avoided, and the dental floss holder is not easy to take when in use.
The bottom of the second antiskid plate 77 is provided with an arc-shaped groove, the surface of the second antiskid plate 77 is covered with a film, and the top of the first antiskid plate 74 is provided with antiskid teeth.
The protection pad 73 is matched with the rebound piece 72, so that the contact range of the rebound piece 72 and teeth is expanded, the rebound piece 72 can perform rebound protection when the rebound piece is pressed down at all angles, and a user can feel more relieved when using the protection pad.
A dental floss stick convenient to use comprises the following steps:
s1, firstly, pinching the rod body 4 or the dental floss mounting head 3 by fingers, contacting the teeth with the anti-slip plate II 77 on the supporting feet 76, and slightly biting the dental floss 2 into the teeth gaps;
s2, enabling the upper teeth and the lower teeth to be in contact with the first anti-skid plate 74 and the second anti-skid plate 77 through occlusion;
s3, pinching the rod body 4 by fingers, rotating the rod body in the direction opposite to the teeth to be cleaned, so that the rod body 4 drives the dental floss mounting head 3 to incline, and the dental floss 2 is contacted with the teeth to be cleaned;
s4, directly occluding, wherein in the occluding process, the second anti-slip plate 77 and the first anti-slip plate 74 are both in contact with and fixed on teeth, the positioning rod 75 moves up and down in the positioning hole 79, the rebound piece 72 is in a compression state when the rebound piece 72 and the elastic piece 78 bite downwards, the elastic piece 78 is in a stretching state, and the elastic force and the pulling force on the elastic piece reset the dental floss when the downward biting is loosened, so that the teeth are cleaned;
and S5, after one side is cleaned, other interdental cleaning is carried out by using the same method.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810050941.4A CN108066022B (en) | 2018-01-18 | 2018-01-18 | Dental floss stick convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810050941.4A CN108066022B (en) | 2018-01-18 | 2018-01-18 | Dental floss stick convenient to use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108066022A CN108066022A (en) | 2018-05-25 |
| CN108066022B true CN108066022B (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810050941.4A Active CN108066022B (en) | 2018-01-18 | 2018-01-18 | Dental floss stick convenient to use |
Country Status (1)
| Country | Link |
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| CN (1) | CN108066022B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112618078A (en) * | 2020-12-28 | 2021-04-09 | 彧寰科技江苏有限公司 | Detachable dental floss rod and packaging mode thereof |
Citations (10)
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|---|---|---|---|---|
| US5016660A (en) * | 1990-03-23 | 1991-05-21 | Boggs Michael S | Automatic flossing tool |
| CN2295464Y (en) * | 1997-06-16 | 1998-10-28 | 庄祖惠 | Structure of instrument for cleaning teeth |
| US6752158B1 (en) * | 2002-06-17 | 2004-06-22 | Patrick Gwen | Flosser apparatus with lockable floss tightener |
| CN200973759Y (en) * | 2006-10-12 | 2007-11-14 | 陈宽柔 | oral hygiene products |
| FR2920294B1 (en) * | 2007-08-27 | 2010-08-20 | Eminence | SAFETY DEVICE FOR DENTAL YARN. |
| CN201734796U (en) * | 2010-08-31 | 2011-02-09 | 刘恩亨 | dental floss stick |
| CN202397636U (en) * | 2011-11-23 | 2012-08-29 | 李世立 | Device for mounting dental floss |
| CN205019186U (en) * | 2015-09-28 | 2016-02-10 | 吉林大学 | Can replace just abnormal special dental floss stick of dental floss |
| CN105662627A (en) * | 2015-12-29 | 2016-06-15 | 青岛蓝图文化传播有限公司市南分公司 | Dental floss pen for children |
| CN107361867A (en) * | 2017-07-20 | 2017-11-21 | 侯瀚尧 | A kind of adjustable double dental floss cleaning plants |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120080049A1 (en) * | 2010-10-01 | 2012-04-05 | En-Heng Liu | Dental Floss Pick |
-
2018
- 2018-01-18 CN CN201810050941.4A patent/CN108066022B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5016660A (en) * | 1990-03-23 | 1991-05-21 | Boggs Michael S | Automatic flossing tool |
| CN2295464Y (en) * | 1997-06-16 | 1998-10-28 | 庄祖惠 | Structure of instrument for cleaning teeth |
| US6752158B1 (en) * | 2002-06-17 | 2004-06-22 | Patrick Gwen | Flosser apparatus with lockable floss tightener |
| CN200973759Y (en) * | 2006-10-12 | 2007-11-14 | 陈宽柔 | oral hygiene products |
| FR2920294B1 (en) * | 2007-08-27 | 2010-08-20 | Eminence | SAFETY DEVICE FOR DENTAL YARN. |
| CN201734796U (en) * | 2010-08-31 | 2011-02-09 | 刘恩亨 | dental floss stick |
| CN202397636U (en) * | 2011-11-23 | 2012-08-29 | 李世立 | Device for mounting dental floss |
| CN205019186U (en) * | 2015-09-28 | 2016-02-10 | 吉林大学 | Can replace just abnormal special dental floss stick of dental floss |
| CN105662627A (en) * | 2015-12-29 | 2016-06-15 | 青岛蓝图文化传播有限公司市南分公司 | Dental floss pen for children |
| CN107361867A (en) * | 2017-07-20 | 2017-11-21 | 侯瀚尧 | A kind of adjustable double dental floss cleaning plants |
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| Publication number | Publication date |
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| CN108066022A (en) | 2018-05-25 |
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