CN212169099U - Drill bit - Google Patents
Drill bit Download PDFInfo
- Publication number
- CN212169099U CN212169099U CN202020564081.9U CN202020564081U CN212169099U CN 212169099 U CN212169099 U CN 212169099U CN 202020564081 U CN202020564081 U CN 202020564081U CN 212169099 U CN212169099 U CN 212169099U
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- CN
- China
- Prior art keywords
- drill
- fixed disk
- hole
- drill bit
- fixing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000428 dust Substances 0.000 claims abstract description 29
- 238000005553 drilling Methods 0.000 claims abstract description 27
- 241000883990 Flabellum Species 0.000 claims abstract description 13
- 125000003003 spiro group Chemical group 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model provides a drill bit, including drillstock and drilling rod, still include dust exhaust mechanism, be equipped with the external screw thread on the outer circumferential wall of drillstock, dust exhaust mechanism include with the fixed column of drillstock spiro union, establish the flabellum on the outer circumferential wall of fixed column and establish the lock nut at fixed column top and drillstock spiro union, the flabellum is equipped with threely at least, and relative fixed column circumference sets up. The utility model discloses the dust exhaust is effectual and have the heat dissipation function.
Description
Technical Field
The utility model relates to a cutting tool technical field, concretely relates to drill bit.
Background
The drill is a tool for drilling through holes or blind holes in solid materials and reaming existing holes. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Reamers and reamers are not capable of drilling solid materials, but they are also traditionally classified as drills.
The existing drill bit can cause dust when drilling on a workpiece, so that a worker cannot observe the drilling condition, the accuracy of a hole is easily reduced or the hole is drilled askew, the working efficiency is reduced, and the processing cost of the workpiece is improved.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model aims to provide a dust exhaust is effectual and have drill bit of heat dissipation function.
Aiming at the problems, the following technical scheme is provided: the utility model provides a drill bit, includes drill shank and drilling rod, still includes dust exhaust mechanism, be equipped with the external screw thread on the outer periphery wall of drill shank, dust exhaust mechanism includes the fixed column with the drill shank spiro union, establishes the flabellum on the outer periphery wall of fixed column and establishes the lock nut at fixed column top and drill shank spiro union.
In the structure, will the utility model discloses install on the electric drill, carry the electric drill of having installed the drill bit to the work piece of waiting to punch by, switch on, open the switch of electric drill, under the effect of electric drill, the drill handle begins to rotate with the drilling rod, and the drill handle drives the flabellum and rotates to when making the drilling rod drill on the work piece, the dust that the wind-force that the flabellum produced will drill is blown away, make the workman can see the position of drilling clearly all the time, the probability of makeing mistakes when having reduced workman's drilling, the accurate nature of drilling has been improved. When the flabellum produced wind-force, can also play radiating effect to the drilling rod to prolonged the utility model discloses a life has improved work efficiency, has reduced the processing cost of work piece. The fan blades can be conveniently fixed by arranging the fixing columns, and the drill stem can be conveniently detached from the drill handle when the drill stem is broken, so that the manufacturing cost is saved. Can fix dust exhaust mechanism through setting up lock nut to when can preventing that the drillstock from rotating, dust exhaust mechanism takes place displacement from top to bottom, improved the utility model discloses a reliability.
The utility model discloses further set up to, the flabellum is equipped with threely at least, and relative fixed column circumference sets up.
Adopt above-mentioned structure, can improve the wind-force that the flabellum produced to improve the utility model discloses a dust exhaust radiating effect has improved the utility model discloses a reliability.
The utility model discloses further set up to, still include buffer gear, buffer gear includes fixed disk, ball and spring, the fixed disk spiro union is on the drillstock, and is located the fixed column below, be equipped with the through-hole that is used for placing the ball on the fixed disk, the through-hole is equipped with spacing hole towards drilling rod one end, the ball is spacing hole relatively can roll, the spring is located the through-hole, and one end offsets with the ball, and the other end offsets with the fixed column bottom surface.
In the structure, drilling depth reaches the biggest when the drilling rod on the work piece, and when the workman continued to bore downwards, ball on the fixed disk contacted with workpiece surface, prevented that the drilling rod from continuing to stretch into downwards, reminded the workman and reached the maximum depth that the drill bit can drill for the workman stop work, thereby protected work piece, dust exhaust mechanism and electric drill itself, improved the utility model discloses a reliability. Through setting up the ball can reduce the frictional force between fixed disk and the work piece to buffer gear's life has been prolonged. The ball rotates relative to the limiting hole, so that friction between the ball and a workpiece can be reduced, and the service life of the ball is prolonged. Can have the effect of buffering when ball and work piece offset through setting up the spring, prevent that dust exhaust mechanism and fixed disk from receiving too big stress to protect dust exhaust mechanism and fixed disk, prolonged the life of dust exhaust mechanism and fixed disk, improved the utility model discloses a reliability.
The utility model discloses further set up to, the ball is equipped with threely at least, and relative fixed disk center circumference sets up.
Adopt above-mentioned structure, can improve the stability of fixed disk, and can improve buffer gear's buffer capacity and antifriction ability, thereby improved the utility model discloses a reliability.
The utility model discloses further set up to, the fixed orifices has been seted up to the fixed disk bottom, the position department corresponding with the fixed orifices on the bottom surface of fixed column is equipped with the screw, the fixed disk passes fixed orifices and screw adaptation through the bolt, realizes fixedly being connected with the fixed column.
Adopt above-mentioned structure, can improve the compactedness of the structure between fixed disk and the fixed column to improve buffer gear and dust exhaust mechanism's stress intensity, improved the utility model discloses a life and reliability.
The utility model discloses further set up to, the fixed orifices all is equipped with threely with the screw, and relative fixed disk center circumference sets up.
Adopt above-mentioned structure, can further improve the joint strength between fixed disk and the fixed column, thereby improved the utility model discloses a reliability.
The utility model discloses further set up as, it is equipped with rather than the bulge loop that offsets to lie in the fixed disk below on the outer periphery wall of drillstock.
Adopt above-mentioned structure, can carry on spacingly to the installation of fixed disk, the moment of torsion is too big and take off the silk when preventing to install the fixed disk, thereby improved the utility model discloses a convenience and reliability during the installation have improved the utility model discloses an assembly efficiency.
The utility model discloses further set up as, the upside that is located the bulge loop on the outer periphery wall of drillstock is equipped with the tool withdrawal groove.
Adopt above-mentioned structure, the processing of the drill shank external screw thread of being convenient for has thereby improved the utility model discloses a convenience.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the split structure of the present invention.
Fig. 3 is a schematic sectional view of the present invention.
The reference numbers in the figures mean: 1-a drill shank; 2-a drill rod; 3, a dust exhaust mechanism; 31-fixed column; 32-fan blades; 33-a lock nut; 4-a buffer mechanism; 41-fixing disc; 42-a ball bearing; 43-a spring; 411-a through hole; 412-a limiting hole; 413-a fixation hole; 311-screw holes; 11-a convex ring; 12-relief grooves.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The drill bit shown in fig. 1 to 3 comprises a drill handle 1, a drill rod 2 and a dust exhaust mechanism 3, wherein an external thread is arranged on the outer circumferential wall of the drill handle 1, the dust exhaust mechanism 3 comprises a fixing column 31 in threaded connection with the drill handle 1, fan blades 32 arranged on the outer circumferential wall of the fixing column 31 and a locking nut 33 arranged on the top of the fixing column 31 in threaded connection with the drill handle 1.
In the structure, will the utility model discloses install on the electric drill, carry the electric drill of having installed the drill bit to the work piece of waiting to punch by, switch on, open the switch of electric drill, under the effect of electric drill, drill handle 1 begins to rotate with drilling rod 2, drill handle 1 drives flabellum 32 and rotates, thereby when making drilling rod 2 drill on the work piece, the dust that drilling produced is blown away to the wind-force that flabellum 32 produced, make the workman can see the position of drilling clearly all the time, the probability of makeing mistakes when having reduced workman's drilling, the precision of drilling has been improved. When flabellum 32 produced wind-force, can also play radiating effect to drilling rod 2 to prolonged the utility model discloses a life has improved work efficiency, has reduced the processing cost of work piece. The fan blades 32 can be conveniently fixed by arranging the fixing columns 31, and the drill rod 2 can be conveniently detached from the drill handle 1 when being broken, so that the manufacturing cost is saved. Can fix dust exhaust mechanism 3 through setting up lock nut 33 to when can preventing that drillstock 1 from rotating, dust exhaust mechanism 3 takes place displacement from top to bottom, has improved the utility model discloses a reliability.
In this embodiment, at least three fan blades 32 are provided, and are circumferentially disposed relative to the fixing column 31.
Adopt above-mentioned structure, can improve the wind-force that flabellum 32 produced to improve the utility model discloses a dust exhaust radiating effect has improved the utility model discloses a reliability.
In this embodiment, the drill rod further comprises a buffer mechanism 4, the buffer mechanism 4 includes a fixed disk 41, a ball 42 and a spring 43, the fixed disk 41 is screwed on the drill shank 1 and is located below the fixed column 31, a through hole 411 for placing the ball 42 is arranged on the fixed disk 41, a limiting hole 412 is arranged at one end of the through hole 411 facing the drill rod 2, the ball 42 can roll relative to the limiting hole 412, the spring 43 is located in the through hole 411, one end of the spring abuts against the ball 42, and the other end of the spring abuts against the bottom surface of the fixed column 31.
In the structure, drilling depth reaches the biggest when drilling rod 2 on the work piece, and the workman continues when boring downwards, and ball 42 on the fixed disk 41 contacts with workpiece surface, prevents that drilling rod 2 from continuing to stretch into downwards, reminds the workman to reach the maximum depth that the drill bit can drill for the workman stop work, thereby protected work piece, dust exhaust mechanism 3 and electric drill itself, improved the utility model discloses a reliability. The friction between the fixed disk 41 and the workpiece can be reduced by providing the balls 42, thereby extending the life of the damper mechanism 4. The balls 42 rotate relative to the stopper holes 412, so that the friction between the balls 42 and the workpiece can be reduced, and the service life of the balls 42 can be prolonged. Can have the effect of buffering when ball 42 offsets with the work piece through setting up spring 43, prevent that dust exhaust mechanism 3 and fixed disk 41 from receiving too big stress to protect dust exhaust mechanism 3 and fixed disk 41, prolonged dust exhaust mechanism 3 and fixed disk 41's life, improved the utility model discloses a reliability.
In this embodiment, at least three balls 42 are provided, and are circumferentially arranged relative to the center of the fixed disk 41.
Adopt above-mentioned structure, can improve the stability of fixed disk 41, and can improve buffer capacity and the antifriction ability of buffer gear 4, thereby improved the utility model discloses a reliability.
In this embodiment, the bottom of the fixed disk 41 is provided with a fixing hole 413, a screw hole 311 is arranged at a position on the bottom surface of the fixed column 31 corresponding to the fixing hole 413, and the fixed disk 41 passes through the fixing hole 413 through a bolt to be matched with the screw hole 311, so as to be connected and fixed with the fixed column 31.
Adopt above-mentioned structure, can improve the compactedness of the structure between fixed disk 41 and the fixed column 31 to improved buffer gear 4 and dust exhaust mechanism 3's stress intensity, improved the utility model discloses a life and reliability.
In this embodiment, the number of the fixing holes 413 and the number of the screw holes 311 are three, and the fixing holes are circumferentially arranged relative to the center of the fixing plate 41.
Adopt above-mentioned structure, can further improve the joint strength between fixed disk 41 and the fixed column 31, thereby improved the utility model discloses a reliability.
In this embodiment, a convex ring 11 abutting against the fixed disk 41 is arranged below the fixed disk 41 on the outer circumferential wall of the drill shank 1.
Adopt above-mentioned structure, can carry on spacingly to the installation of fixed disk 41, the too big and wire that takes off of moment of torsion when preventing to install fixed disk 41, thereby improved the utility model discloses a convenience and reliability during the installation have improved the utility model discloses an assembly efficiency.
In this embodiment, a tool withdrawal groove 12 is formed on the outer circumferential wall of the drill shank 1 and located above the convex ring 11.
Adopt above-mentioned structure, the processing of 1 external screw thread of drillstock of can being convenient for has thereby improved the utility model discloses a convenience.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.
Claims (8)
1. A drill bit comprises a drill handle and a drill rod, and is characterized in that: the dust exhaust mechanism comprises a fixing column in threaded connection with the drill shank, fan blades arranged on the outer circumferential wall of the fixing column and a locking nut arranged at the top of the fixing column in threaded connection with the drill shank.
2. A drill bit according to claim 1, wherein: the flabellum is equipped with threely at least, and relative fixed column circumference sets up.
3. A drill bit according to claim 1, wherein: still include buffer gear, buffer gear includes fixed disk, ball and spring, the fixed disk spiro union is on the drillstock, and is located the fixed column below, be equipped with the through-hole that is used for placing the ball on the fixed disk, the through-hole is equipped with spacing hole towards drilling rod one end, the spacing hole relative of ball can roll, the spring is located the through-hole, and one end offsets with the ball, and the other end offsets with the fixed column bottom surface.
4. A drill bit according to claim 3, wherein: the ball is equipped with three at least, and relative fixed disk center circumference sets up.
5. A drill bit according to claim 4, characterized in that: the fixing plate is characterized in that a fixing hole is formed in the bottom of the fixing plate, a screw hole is formed in the position, corresponding to the fixing hole, on the bottom surface of the fixing column, and the fixing plate penetrates through the fixing hole and is matched with the screw hole through a bolt to be fixedly connected with the fixing column.
6. A drill bit according to claim 5, characterized in that: the fixed orifices and the screw holes are all three, and are circumferentially arranged relative to the center of the fixed disk.
7. A drill bit according to claim 3, wherein: and a convex ring which is abutted against the fixed disk is arranged below the fixed disk on the outer circumferential wall of the drill handle.
8. A drill bit according to claim 7, wherein: and a tool withdrawal groove is formed in the outer circumferential wall of the drill handle and positioned on the upper side of the convex ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020564081.9U CN212169099U (en) | 2020-04-15 | 2020-04-15 | Drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020564081.9U CN212169099U (en) | 2020-04-15 | 2020-04-15 | Drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212169099U true CN212169099U (en) | 2020-12-18 |
Family
ID=73770376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020564081.9U Expired - Fee Related CN212169099U (en) | 2020-04-15 | 2020-04-15 | Drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212169099U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605429A (en) * | 2020-12-29 | 2021-04-06 | 常德迪格机械制造有限公司 | Drilling machine convenient for cleaning scraps for oil cylinder support machining |
| CN112705799A (en) * | 2020-12-23 | 2021-04-27 | 黄开建 | Composite material arc-shaped tooth bevel gear scraping tool |
-
2020
- 2020-04-15 CN CN202020564081.9U patent/CN212169099U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705799A (en) * | 2020-12-23 | 2021-04-27 | 黄开建 | Composite material arc-shaped tooth bevel gear scraping tool |
| CN112705799B (en) * | 2020-12-23 | 2022-03-01 | 东莞市领亿精密金属有限公司 | Composite material arc-shaped tooth bevel gear scraping tool |
| CN112605429A (en) * | 2020-12-29 | 2021-04-06 | 常德迪格机械制造有限公司 | Drilling machine convenient for cleaning scraps for oil cylinder support machining |
| CN112605429B (en) * | 2020-12-29 | 2022-06-24 | 常德迪格机械制造有限公司 | Drilling machine convenient for cleaning scraps for oil cylinder support machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |