NL1043437A

NL1043437A - Novel multifunctional saw blade adapter

Info

Publication number: NL1043437A
Application number: NL1043437A
Authority: NL
Inventors: Xu Hongming
Original assignee: Yangzhou Shengye Mach Co Ltd
Priority date: 2019-07-15
Filing date: 2019-10-25
Publication date: 2021-02-04
Also published as: GB201913127D0; NL1043437B1; CN110238444A; GB2585717A; DE102019124476A1

Abstract

The invention discloses a novel multifunctional saw blade adapter, comprising a disc structure, wherein one end surface of thereof is provided with a regular polygonal frustum of a prism, and the other bumps; the center of the structure is provided with a threaded through hole; the center of the frustum of a prism is provided with a first blind hole, and the outer side of the frustum of a prism is provided with a groove connecting with the first blind hole; a spacer is fixedly connected in the groove; a plurality of second blind holes are evenly distributed around the threaded through hole on the end surface of the disc structure away from the frustum of a prism; a magnet is fixed in the second blind hole. The invention can quickly change the saw blade for quick and stable connection and easy to use with different saw blades.

Description

ref: P2019 NL 019 | TITLE: Novel multifunctional saw blade adapter BACKGROUND OF THE INVENTION |

[0001] 1. Field of the Invention |

[0002] The invention relates to the technical field of hardware articles, in | particular to a novel multifunctional saw blade adapter.

[0003] 2. Description of the Related Art |

[9004] With the rise of small hand-held power tools, more and more power tool products are coming into the market. The hand-held power tool can be connected to | the grinding wheel, the saw blade, etc, and the grinding wheel or the saw blade can | be rotated by the motor drive, thereby realizing the use effect of the saw; however, | the connector of the general hand-held power tool is integrated with the hand-held | power tool, and the grinding wheel and the saw blade are also designed to match, | which makes it impossible to connect with a different grinding wheel or saw blade on | the market, leading to a high cost and poor versatility; moreover, in the case of long- | term use or frequent replacement of the saw blade, the connector is easily loosened, | which makes the connection unstable, and there is a safety hazard during use. The | issues have to be resolved, so there must be some improvements. | SUMMARY OF THE INVENTION |

[0005] The technical problem to be solved by the invention is to overcome the # technical defecis above and provide a novel multifunctional saw blade adapter which | is convenient, quick and stable. |

[0006] In order to solve the technical issues above, the invention provides the | technical solutions as follows: a novel multifunctional saw blade adapter, comprising | a disc structure, wherein one end surface of the disc structure is provided with a | regular polygonal frustum of a prism, and the other end surface of the disc structure is provided with bumps; the center of the disc structure is provided with a threaded through hole; the center of the frustum of a prism is provided with a first blind hole with a diameter larger than that of the threaded through hole, and the outer side of the frustum of a prism is provided with a groove connecting with the first blind hole around the first blind hole; a spacer is fixedly connected in the groove; a plurality of second blind holes are evenly distributed around the threaded through hole on the end surface of the disc structure away from the frustum of a prism; a magnet is fixed in the second blind hole.

2 |

[0007] The advantages of the invention over the prior art are: a novel | multifunctional saw blade adapter, comprising a disc structure, the other end surface | of the disc structure is provided with bumps, and the center of the disc structure is | provided with a threaded through hole; in this way, the bumps and the pressure plate | of the saw blade can be engaged and clamped, and can be fixed by the studs. One | end surface of the disc structure is provided with a regular polygonal frustum of a | prism, the center of the frustum of a prism is provided with a first blind hols, the outer 5 side of the frustum of a prism is provided with a groove around the first blind hole, | and a spacer is fixedly connected in the groove; in this way, the connection buckle of | 1¢ the hand-held power tool can be stably caught by the spacer, thereby fastening the : hand-held power tool and the saw blade. A plurality of second blind holes are evenly # distributed around the threaded through hole on the end surface of the disc structure | away from the frustum of a prism; a magnet is fixed in the second blind hole, which | can be used to adsorb the saw blade.

[0008] Further, the taper of the frustum of a prism is set to 1:1, and the chamfered edges of the frustum of a prism are round chamfered, which is convenient to be connected to the hand-held power tool.

[0009] Further, the bumps are set as bumping bumps or polygonal bumps or cross bumps, so that the hand-held power tools connected to different connectors can be correspondingly connected.

[0010] Further, the bumping bump is formed in a rectangular shape or a waist shape, and has a width ranging from 1.8 to 2.1 mm and a length ranging from 3.5 to & mm; the bumping bumps are evenly distributed around the threaded through hole, and the number thereof is set to 4 to 12, so that they can be matched with the small holes on the saw blade when connecting the saw blade, which has the effect of positioning limitation. 10011] Further, the polygonal bump is set as a regular polygon, the number of sides thereof is set to 3 to 12, and the width of the pair of sides is set to 12 to 20 mm; the polygonal bump and the disc structure are on the same axis, and the threaded through hole penetrates the polygonal bump, so that it can match with the groove holes on the saw blade when connecting the saw blade, and has the effect of positioning and restraining.

[0012] Further, the cross bump has a maximum circumscribed circle diameter of 10 to 26 mm and a rib width range of 1.8 to 2.1 mm; the cross bump and the disc structure are on the same axis, and the threaded through hole penstrates the cross bump, so that it can match with the groove holes on the saw blade when connecting the saw blade, and has the effect of positioning and restraining.

[0013] Further, the spacer is provided with an inner hole in the center, and the spacer is set as a circular spacer or a polygonal spacer with claws; the spacer is made of high carbon steel, and the spacer is fixedly connected to the groove by | means of laser welding, so that a stable connection of the spacer and the groove is achieved. |

[0014] Further, the number of claws of the circular spacer is set to 3 to 12, and | the number of sides of the polygonal spacer is set to 3 to 12, | BRIEF DESCRIPTION OF THE DRAWINGS |

[0015] FIG. 1 is a sectional view illustrating the structure of the novel | Id multifunctional saw blade adapter of the invention. |

[0016] FIG. 2 is a side view illustrating the disc structure of the novel | multifunctional saw blade adapter of the invention. |

[0017] FIG. 3 is a side view illustrating the frustum of a prism of the novel | multifunctional saw blade adapter of the invention. |

[0018] FIG, 4 is a side view with the polygonal bump illustrating the novel | multifunctional saw blade adapter of the invention. |

[9019] FIG, 5 is a side view with the cross bump tllustrating the novel | multifunctional saw blade adapter of the invention. |

[0020] FIG. 8 is a sectional view illustrating the circular spacer with claws of ; the novel multifunctional saw blade adapter of the invention. |

[0021] In the figures, 1 refers to the disc structure; 2 refers to the frustum of a | prism; 3 refers to the bump; 4 refers to the threaded through hole; 5 refers to the first | blind hole; 6 refers to the groove; 7 refers to the spacer; 8 refers to the second blind hole; 3 refers to the magnet.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0022] The invention is further described in detail hereinafier with reference to the drawings.

[0023] When in specific implementation, the invention provides a novel multifunctional saw blade adapter, comprising a disc structure 1, wherein one end surface of the disc structure 1 is provided with a regular polygonal frustum of a prism 2, and the other end surface of the disc structure 1 is provided with bumps 3; the center of the disc structure 1 is provided with a threaded through hole 4; the center of the frustum of a prism 2 is provided with a first blind hole 5 with a diameter larger than that of the threaded through hole 4, and the outer side of the frustum of a prism 2 is provided with a groove 6 connecting with the first blind hole 5 around the first blind hole 5; a spacer 7 is fixedly connected in the groove 8; a plurality of second blind holes 8 are evenly distributed around the threaded through hole 4 on the end surface of the disc structure 1 away from the frustum of a prism 2; a magnet 9 is fixed | in the second blind hole 8. |

[0024] The taper of the frustum of a prism 2 is set to 1:1, and the chamfered gdges of the frustum of a prism 2 are round chamfered. {0025] The bumps 3 are set as bumping bumps or polygonal bumps or cross | bumps.

[0026] The bumping bump is formed in a rectangular shape or a waist shape, and has a width ranging from 1.8 to 2.1 mm and a length ranging from 3.5 to 5 mm; | the bumping bumps are evenly distributed around the threaded through hole 4, and the number thereof is set to 4 to 12.

[0027] The polygonal bump is set as a regular polygon, the number of sides | thereof is set to 3 to 12, and the width of the pair of sides is set to 12 to 20 mm; the polygonal bump and the disc structure 1 are on the same axis, and the threaded through hole 4 penetrates the polygonal bump. |

[0028] The cross bump has a maximum circumscribed circle diameter of 10 fo 26 mm and a rib width range of 1.8 to 2.1 mm; the cross bump and the disc structure | 1 are on the same axis, and the threaded through hole 4 penetrates the cross bump. |

[0029] The spacer 7 is provided with an inner hole in the center, and the | spacer 7 is set as a circular spacer or a polygonal spacer with claws; the spacer 7 is | made of high carbon steel, and the spacer 7 is fixedly connected to the groove 6 by | means of laser welding. |

[0030] The number of claws of the circular spacer is set to 3 to 12, and the | number of sides of the polygonal spacer is set ta 3 to 12. |

[0031] The working principle of the invention is that the novel multifunctional | saw blade adapter of the invention can quickly change the saw blade to facilitate | quick and stable connection. At present, the connector of the general hand-held | power tool is integrated with the hand-held power tool, and the grinding wheel and | the saw blade are also designed to match, leading to a high cost and poor versatility; | moreover, in the case of long-term use or frequent replacement of the saw blade, the | connector is easily loosened, which makes the connection unstable, and there is a | safety hazard during use, so the invention is to solve the issues above. |

[0032] Embodiment 1 } | 10033] The novel multifunctional saw blade adapter comprises a disc structure | 1, the center of the disc structure 1 is provided with a threaded through hole 4, and | the other end surface of the disc structure 1 is provided with bumps 3; the bumps 3 | are set as bumping bumps, and the bumping bumps are formed in a waist shape, and has a width of 2 mm and a length of 4 mm; the bumping bumps are evenly distributed around the threaded through hole, and the number thereof is set to 12, so that they can be matched with the small holes on the saw blade when connecting the saw blade, which has the effect of positioning limitation. In use, the small holes on the saw blade are placed corresponding to the bumping bumps, and they are matched and clamped with the pressing plate, then fixed by the studs. One end surface of the disc structure 1 is provided with a regular polygonal frustum of a prism | 2, and the chamfered edges of the frustum of a prism 2 are round chamfered; the center of the frustum of a prism 2 is provided with a first blind hole 5, and the spacer 7 is fixedly connected in the groove 8; the spacer 7 is set as a circular spacer with an inner hole and claws, and the number of claws thereof is 8; the spacer 7 is made of high carbon steel, and is fixedly connected fo the groove 6 by means of laser welding after heat treatment. In connection, the connection buckle of the hand-held power \ tool bounces in the first blind hole 5 and stably holds the spacer 7, thereby realizing the fastening of the hand-held power tool and the saw blade. A plurality of second \ blind holes 8 are evenly distributed around the threaded through hole 4 on the end surface of the disc structure 1 away from the frustum of a prism 2; a magnet 9 is fixed inthe second blind hole 8; the magnet 9 can be used to adsorb the saw blade, and \ then the pressing plate is conveniently fastened and then fixedly connected to the | adapter. \

[0034] Embodiment 2 \

[0035] The novel multifunctional saw blade adapter comprises a disc structure | 1, the center of the disc structure 1 is provided with a threaded through hole 4, and the other end surface of the disc structure 1 is provided with bumps 3; the bumps 3 are set as bumping bumps, and the bumping bumps are formed regular polygons, the number of sides thereof is set to 8, and the width of the pair of sides is set to 16 | mm; the polygonal bump and the disc structure 1 are on the same axis, and the | threaded through hole 4 penetrates the polygonal bump, so that it can match with the | groove holes on the saw blade when connecting the saw blade, and has the effect of | positioning and restraining. In use, the groove holes on the saw blade are placed | corresponding to the polygon bumps, and they are matched and clamped with the pressing plate, then fixed by the studs, One end surface of the disc structure 1 is provided with a regular polygonal frustum of a prism 2, and the chamfered edges of | the frustum of a prism 2 are round chamfered; the center of the frustum of a prism 2 | is provided with a first blind hole 5, and the spacer 7 is fixedly connected in the | groove 6; the spacer 7 is set as a circular spacer with an inner hole and claws, and | the number of claws thereof is 8; the spacer 7 is made of high carbon steel, and is | fixedly connected to the groove 8 by means of laser welding after heat treatment. In | connection, the connection buckle of the hand-held power tool bounces in the first | blind hole 5 and stably holds the spacer 7, thereby realizing the fastening of the | hand-held power tool and the saw blade. A plurality of second blind holes 8 are | evenly distributed around the threaded through hole 4 on the end surface of the disc | 1043437 | structure 1 away from the frustum of a prism 2; a magnet 9 is fixed in the second | blind hole 8; the magnet 9 can be used to adsorb the saw blade, and then the pressing plate is conveniently fastened and then fixedly connected to the adapter. |

[0036] Embodiment 3 |

[0037] The novel multifunctional saw blade adapter comprises a disc structure | 1, the center of the disc structure 1 is provided with a threaded through hole 4, and | the other end surface of the disc structure 1 is provided with bumps 3; the bumps 3 are set as cross bumps, the cross bump has a maximum circumscribed circle | diameter of 20 mm and a rib width range of 2 mm; the cross bump and the disc | structure 1 are on the same axis, and the threaded through hole 4 penetrates the | cross bump. In use, the groove holes on the saw blade are placed corresponding to | the cross bumps, and they are maiched and clamped with the pressing plate, then | fixed by the studs. One end surface of the disc structure 1 is provided with a regular | polygonal frustum of a prism 2, and the chamfered edges of the frustum of a prism 2 | are round chamfered; the center of the frustum of a prism 2 is provided with a first | blind hole 5, and the spacer 7 is fixedly connected in the groove 6; the spacer 7 is set | as a polygonal spacer with an inner hole, and the polygon is set as a regular | hexagon, the spacer 7 is made of high carbon steel, and is fixedly connected to the | groove © by means of laser welding after heat treatment. In connection, the | connection buckle of the hand-held power tool bounces in the first blind hole 5 and | stably holds the spacer 7, thereby realizing the fastening of the hand-held power tool | and the saw blade. A plurality of second blind holes 8 are evenly distributed around | the threaded through hole 4 on the end surface of the disc structure 1 away from the | frustum of a prism 2; a magnet 9 is fixed in the second blind hole 8; the magnet 8 can | be used to adsorb the saw blade, and then the pressing plate is conveniently | fastened and then fixedly connected to the adapter. |

[0038] The invention and its embodiments have been described above, but | the description is not limited thereto; only one embodiment of the invention is shown | in the drawings, and the actual structure is not limited thereto. In general, it is to be | understood by those skilled in the art that non-creative design of structural forms and | embodiments that are similar to the technical solutions without departing from the | spirit of the invention shall all fall within the protective scope of the invention. |

Claims

CONCLUSIES |CONCLUSIONS |

1. Een nieuwe multifunctionele zaagbladadaptor, omvattende een schiifstructuur {1}, waarbij één eindopperviak van de schijfstructuur (1) is voorzien van een \ regeimatig polygonaal afgeknot prisma {2}, en het andere eindoppervlak van de \ schijfstructuur {1) is voorzien van bobbels {3}; het centrum van de schiffstructuur (1) is voorzien van een van schroefdraad voorzien doorgaand gat {4}; het centrum van \ het afgeknotte prisma (2) is voorzien van een eerste blind gat (5) met een diameter | grater dan die van het van schroefdraad voorziene doorgaande gat {4}, en de andere \ zijde van het afgeknotte prisma (2) is voorzien van een groef (8) rondom het eerste \ blinde gat (5) die verbindt met het serste blinde gat (5); een afstandhouder (7) is vast | bevestigd in de groef {8}; een veelvoud aan tweede blinde gaten {8} zijn regelmatig verdeeld rondom het van schroefdraad voorziene doorgaande gat (4) op het sindoppervlak van de schrijfstructuur (1) weg gericht van het afgeknotte prisma (2); esn magneet (9) is bevestigd in het tweede blinde gat (8).A new multi-functional saw blade adapter, comprising a disc structure {1}, one end surface of the disc structure (1) being provided with a regular polygonal truncated prism {2}, and the other end surface of the disc structure {1) being provided with bumps {3}; the center of the schiff structure (1) is provided with a threaded through hole {4}; the center of the truncated prism (2) is provided with a first blind hole (5) with a diameter | larger than that of the threaded through hole {4}, and the other \ side of the truncated prism (2) has a groove (8) around the first \ blind hole (5) that connects to the first blind hole (5); a spacer (7) is fixed | fixed in the groove {8}; a plurality of second blind holes {8} are evenly distributed around the threaded through hole (4) on the terminal surface of the writing structure (1) facing away from the truncated prism (2); esn magnet (9) is mounted in the second blind hole (8).

is is

2 De nieuwe multifunctionele zaagbladadaptor volgens conclusie 1, waarbij de | tapsheid van het afgeknotte prisma (2) is ingesteld op 1:1, en de afgeschuinde randen van het afgeknotte prisma {2} zijn rond afgeschuind. | The novel multipurpose saw blade adapter according to claim 1, wherein the | taper of the truncated prism (2) is set to 1: 1, and the chamfered edges of the truncated prism {2} are round chamfered. |

3, De nieuwe multifunctionele zaagbladadaptor volgens conclusie 1, waarbij de bobbels (3) zijn ingesteld als stotende bobbels of polygonale bobbels of kruisvormige | bobbels. |3. The new multipurpose saw blade adapter according to claim 1, wherein the bumps (3) are set as butt bumps or polygonal bumps or cruciform | bumps. |

4. De nieuwe multifunctionele zaagbladadaptor volgens conclusie 3, waarbij de | stotende bobbel is gevormd in een rechthoekige vorm of een getailleerde vorm, en | een breedte heeft in het bereik van 1,8 tot 2,1 mm en een lengte in het bereik van 3,5 tot 5 mm; de stotende bobbels zijn regelmatig verdeeld rondom het van schroefdraad | voorziens doorgaande gat {4), en het aantal daarvan is ingesteld op 4 tot 12. | 5, De nieuwe multifunctionele zaagbladadaptor volgens conclusie 3, waarbij de | polygonale bobbel is ingesteld als sen regelmatig polygoon, het aantal zijden | daarvan is ingesteld op 3 tot 12, en de breedte van het paar zijden is ingesteld op 12 | fot 20 mm; de polygonale bobbel en de schijfstructuur (1) zijn op dezelfde as, en het | van schroefdraad voorziene doorgaande gat (4) penetreert de polygonale bobbel. |The new multipurpose saw blade adapter according to claim 3, wherein the | butting bulge is formed in a rectangular shape or a waisted shape, and | has a width in the range of 1.8 to 2.1 mm and a length in the range of 3.5 to 5 mm; the butting bumps are evenly distributed around the thread | foresee through hole {4), and the number thereof is set from 4 to 12. | The novel multi-functional saw blade adapter of claim 3, wherein the | polygonal bulge is set as sen regular polygon, the number of sides | thereof is set to 3 to 12, and the width of the pair of sides is set to 12 | phot 20 mm; the polygonal bulge and the disk structure (1) are on the same axis, and the | threaded through hole (4) penetrates the polygonal bulge. |

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6. De nieuwe multifunctionele zaagbladadaptor volgens conclusie 3, waarbij de | kruisvormige bobbel een maximale circumschreven cirkeldiameter van 10 tot 26 mm heeft en een ribbreedte in het bereik van 1,8 tot 2,1 mm; de kruisvormige bobbel en | de schijfstructuur (1} zijn op dezelfde as, en het van schroefdraad voorziene doorgaande gat (4) penetreert de kruisvormige bobbel.The novel multipurpose saw blade adapter of claim 3, wherein the | cruciform bump has a maximum circumscribed circle diameter of 10 to 26 mm and a rib width in the range 1.8 to 2.1 mm; the cross-shaped bulge and | the disc structure (1} is on the same axis, and the threaded through hole (4) penetrates the cross-shaped bump.

7. De nieuwe multifunctionele zaagbladadaptor volgens conclusie 1, waarbij de | afstandhouder (7) is voorzien van een inwendig gat in het centrum, en de | afstandhouder (7) is ingesteld als een cirkelvormige afstandhouder of een polygonale | afstandhouder met klauwen; de afstandhouder {7} is gemaakt van hoogkoolstofstaal, en de afstandhouder (7) is vast bevestigd aan de groef (8) door middel van | laserlassen. |The novel multipurpose saw blade adapter of claim 1, wherein the | spacer (7) has an internal hole in the center, and the | spacer (7) is set as a circular spacer or a polygonal | spacer with claws; the spacer {7} is made of high carbon steel, and the spacer (7) is fixedly attached to the groove (8) by means of | laser welding. |

8. De nieuwe multifunctionele zaagbladadaptor volgens conclusie 7, waarbij het | aantal klauwen van de cirkelvormige afstandhouder is ingesteld op 3 tot 12, en het | aantal zijden van de polygonale afstandhouder is ingesteld op 3 tot 12. }The novel multipurpose saw blade adapter according to claim 7, wherein the | number of jaws of the circular spacer is set from 3 to 12, and the | number of sides of the polygonal spacer is set from 3 to 12.}