CN215203042U - Burr scraper - Google Patents

Abstract

The application relates to a burr scraper, including handle of a knife and integrated into one piece tool bit in handle of a knife one end, the edge department that handle of a knife one end was kept away from to the tool bit is provided with the cutting edge. This application has when getting rid of downthehole burr for the shape in hole is difficult for taking place the effect of deformation.

Description

Burr scraper

Technical Field

The application relates to the field of manual cutters, in particular to a burr scraper.

Background

In daily life, articles made of acrylic or plastic are often used, and the articles are used in cooperation with other articles or installed at certain positions, so that holes are often drilled in the articles made of acrylic or plastic.

In the related art, after the drilling of the object made of acrylic or plastic materials is finished, burrs can appear on the inner wall of the hole, and then the burrs can be removed by the file to abrade the inner wall of the hole, so that the precision of the inner wall of the hole can be improved.

In view of the above-mentioned related art, the inventor believes that there is a defect that the shape of the hole is easily deformed by deburring with a file because acrylic or plastic is a softer material.

SUMMERY OF THE UTILITY MODEL

In order to make the shape of hole be difficult for taking place the deformation when getting rid of downthehole burr, this application provides a burr scraper.

The application provides a burr scraper adopts following technical scheme:

a burr scraper comprises a knife handle and a knife head which is integrally formed on one end of the knife handle, wherein a cutting edge is arranged at the edge of one end, far away from the knife handle, of the knife head.

Through adopting above-mentioned technical scheme, then when will getting rid of downthehole burr, can stretch into the scraper in the inner circle in hole to make the cutting edge rub the inner wall in hole, at this in-process, the cutting edge can cut off the junction that the burr can downthehole wall, thereby reach the purpose of deburring, compare in the file through the mode of grinding the flat burr in order to reach the deburring, this kind of design is difficult for exerting radial force to the inner wall in hole at the process of deburring, thereby make the shape in hole be difficult for taking place to warp.

Preferably, one end of the cutter head, which is positioned on the cutting edge, is bent.

Through adopting above-mentioned technical scheme, after the cutting edge cuts off the burr, the crooked inboard of accessible cutting edge is taken out downthehole burr from the hole, then when the work piece volume is great, just can more conveniently unload the burr from downthehole to help promoting the practicality of scraper.

Preferably, one end of the cutter head, which is close to the cutter handle, is provided with a transition part, and the sectional area of one end of the transition part, which is close to the cutter handle, is larger than that of one end of the transition part, which is close to the cutting edge.

Through adopting above-mentioned technical scheme, because of the cutting edge when excising the burr, the cutting edge can receive external force, so tool bit and handle of a knife junction can receive the moment of flexure, so setting up of transition portion can be so that be difficult for taking place great buckling between tool bit and the handle of a knife to make the difficult quilt rupture of junction of tool bit and handle of a knife, help promoting the life of scraper.

Preferably, the handle includes a pinching portion near one end of the cutting head for pinching by fingers.

Through adopting above-mentioned technical scheme, because of pinching the setting of getting the portion, then the staff can with pointing the butt on pinching the portion, compare in the part that the cutting edge was kept away from at the tool bit to the finger butt, this kind of design on the one hand for staff's finger is difficult for touching the cutting edge, then the finger just is difficult for being injured, on the other hand, makes the distance between the position of finger contact and the cutting edge be difficult for too far away, thereby people operate the scraper.

Preferably, the handle further comprises a holding part for wrapping the palm at one end far away from the tool bit.

Through adopting above-mentioned technical scheme, then people can wrap up the portion of gripping when taking the scraper to the scraper can be more stably in people's hand, so at the in-process of scraper scraping out the burr, the condition that the scraper dropped from the hand appears because of the finger breaks away from the portion of pinching.

Preferably, the cross-sectional shape of the pinching portion is a polygon.

Through adopting above-mentioned technical scheme, compare the cross-section in pinching the portion of getting and be circular shape mode, this kind of design for people's finger can be better to be held between the fingers the portion of getting, then at the in-process of cutting edge along the inner wall scraping in hole, holds between the fingers the portion of getting and is difficult for breaking away from the finger, thereby makes people be convenient for operate the scraper and come the deburring.

Preferably, the cutter head is provided with a material blocking part at the position of the cutting edge, the material blocking part is fixedly connected with the bent outer side of the cutter head, and a material containing part for accumulating burrs is formed on one side surface of the material blocking part close to the cutting edge and the surface of the cutting edge.

Through adopting above-mentioned technical scheme, because of keeping off the setting of material portion for keep off material portion and the part that the tool bit is close to the cutting edge can form the structure of a similar ladle, then cut off the back when the burr is followed the inner wall in hole, the scraper is gradually to the in-process that the hole removed outward, and the burr can be gathered gradually on holding material portion, thereby makes the scraper can take out more burrs, helps promoting work efficiency.

Preferably, the surface of the material blocking part which is not connected with the cutting edge is in cambered surface transition arrangement.

Through adopting above-mentioned technical scheme, at the in-process of cutting edge excision burr, the material blocking part is difficult for the inner wall in fish tail hole to make the difficult reduction of surface accuracy of downthehole wall.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the cutter handle, the cutter head and the cutting edge, radial force is not easy to apply to the inner wall of the hole in the process of removing burrs, so that the shape of the hole is not easy to deform;

2. due to the arrangement of the transition part, the cutter head and the cutter handle are not easy to bend to a large extent, so that the connection part of the cutter head and the cutter handle is not easy to break, and the service life of the scraper is prolonged;

3. through the setting of keeping off material portion for keep off material portion and the part that the tool bit is close to the cutting edge can form the structure of a similar ladle, then cut off the back when the burr is followed the inner wall in hole, the scraper is gradually to the in-process that the hole removed outward, and the burr can be gathered gradually on holding material portion, thereby makes the scraper can take out more burrs, helps promoting work efficiency.

Drawings

Fig. 1 is a schematic structural view of a burr scraper in an embodiment of the present application.

Description of reference numerals: 1. a knife handle; 11. a pinching part; 12. a grip portion; 2. a cutter head; 3. a cutting edge; 4. a transition section; 5. a material blocking part; 6. a material containing part.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a burr scraper. Referring to fig. 1, the burr scraper includes handle of a knife 1 and integrated into one piece tool bit 2 in 1 one end of handle of a knife, in this embodiment, tool bit 2 has seted up cutting edge 3 on keeping away from the edge of the one end of handle of a knife 1, and tool bit 2 is crooked setting in cutting edge 3 department, then when will cleaing away downthehole burr, can stretch into downthehole with tool bit 2, and make cutting edge 3 scrape the inner wall in hole, thereby make the junction between 3 cut end burrs of cutting edge and the downthehole wall, the one end that is crooked shape through tool bit 2 after that with burr from downthehole colluding a little, and then just reach the mesh of cleaing away downthehole burr.

Referring to fig. 1, in the present embodiment, a material blocking portion 5 is fixed on the cutting head 2 at the position of the cutting edge 3, specifically, the material blocking portion 5 is fixedly connected to the curved outer side of the cutting head 2, wherein a side surface of the material blocking portion 5 close to the cutting edge 3 and a surface where the cutting edge 3 is located form a material accommodating portion 6, and a side surface of the material blocking portion 5 not connected to the cutting edge 3 is rounded to form an arc shape, so that the material blocking portion 5 and the cutting head 2 at the position where the cutting edge 3 is located form a structure similar to a spoon, when burrs are separated from the inner wall of the hole, the scraper can be gradually taken out from the hole, and in this process, the burrs gradually accumulate on the material accommodating portion 6, so that the scraper can take more burrs out from the hole.

Referring to fig. 1, in this embodiment, one end of the tool bit 2 close to the tool holder 1 is set as a transition portion 4, and the sectional area of the transition portion 4 close to one end of the tool holder 1 is greater than the sectional area of the end close to the cutting edge 3, so that the thickness between the tool holder 1 and the tool bit 2 is not prone to be suddenly thinned, and when the cutting edge 3 scrapes off burrs, force is exerted on the inner wall of the hole on the cutting edge 3, so that a bending moment is generated at the joint of the tool holder 1 and the tool bit 2, and therefore, the thickness gradually transits in the arrangement manner, so that the tool bit 2 and the tool holder 1 are not prone to be greatly bent, and the joint of the tool bit 2 and the tool holder 1 is not prone to be broken, thereby contributing to prolonging the service life of the scraper.

Referring to fig. 1, in this embodiment, the handle 1 includes a pinching part 11 close to one end of the transition part 4, wherein the cross section of the pinching part 11 in the length direction is triangular, so that the pinching part 11 is triangular, so when people use the scraper, the fingers can be pinched on the pinching part 11, on one hand, the fingers are not easy to contact with the cutting edge 3, so that the fingers are not easy to scratch, on the other hand, the distance between the contact position of the fingers and the cutting edge 3 is not easy to be too far away, so that people can better apply force on the cutting edge 3, so that the cutting edge 3 can better scrape burrs, and thus, people can conveniently operate the scraper.

Referring to fig. 1, in this embodiment, the handle 1 further includes a holding portion 12 far away from one end of the transition portion 4, wherein the holding portion 12 is in a thin sheet shape, and the size of the holding portion 12 can be covered by a palm, so that when people use the scraper, the fingers can be held on the holding portion 11, and the palm can be held on the holding portion 12, so that when the burr is scraped by the scraper, the fingers may be separated from the holding portion 11, at this time, the holding portion 12 is covered by the palm, so that the scraper is not easy to drop down from the hand, and further, the cutting edge 3 is not easy to wear due to collision.

The implementation principle of the burr scraper in the embodiment of the application is as follows: when will strike off downthehole burr, hold the scraper with the hand earlier, wherein the portion 11 of pinching is held between the fingers, the portion 12 of gripping is held to the palm, stretch into the hole with the tool bit 2 of scraper next, and make cutting edge 3 scrape the inner wall in hole, thereby make cutting edge 3 cut off the junction between burr and the downthehole wall, then take out in the hole from the inner wall in pasting the hole gradually with the scraper, at this in-process, the burr can be gathered gradually on holding material portion 6, thereby just take out in the hole by the burr of cutting off, just reach the mesh of cleaing away downthehole burr this moment.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (5)

1. A burr scraper which is characterized in that: the cutting tool comprises a tool shank (1) and a tool bit (2) integrally formed at one end of the tool shank (1), wherein a cutting edge (3) is arranged at the edge of one end, far away from the tool shank (1), of the tool bit (2); one end of the cutter head (2) positioned at the cutting edge (3) is bent; the cutter head (2) is provided with a material blocking part (5) at the position of the cutting edge (3), the material blocking part (5) is fixedly connected with the bent outer side of the cutter head (2), and a material accommodating part (6) for burr accumulation is formed on the surface of one side, close to the cutting edge (3), of the material blocking part (5) and the surface of the cutting edge (3); the surface of the material blocking part (5) which is not connected with the cutting edge (3) is in cambered surface transition arrangement.

2. The burr scraper of claim 1, wherein: one end of the tool bit (2) close to the tool shank (1) is set to be a transition part (4), and the sectional area of one end of the transition part (4) close to the tool shank (1) is larger than that of one end close to the cutting edge (3).

3. The burr scraper of claim 1, wherein: the knife handle (1) comprises a pinching part (11) which is close to one end of the knife head (2) and is used for pinching by fingers.

4. The burr scraper of claim 3, wherein: the knife handle (1) further comprises a holding part (12) which is far away from one end of the knife head (2) and is used for coating a palm.

5. The burr scraper of claim 3, wherein: the cross-sectional shape of the pinching part (11) is polygonal.

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