CN108526550A - A kind of building electricity consumption drill bit with positioning function - Google Patents
A kind of building electricity consumption drill bit with positioning function Download PDFInfo
- Publication number
- CN108526550A CN108526550A CN201810279514.3A CN201810279514A CN108526550A CN 108526550 A CN108526550 A CN 108526550A CN 201810279514 A CN201810279514 A CN 201810279514A CN 108526550 A CN108526550 A CN 108526550A
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- China
- Prior art keywords
- slot area
- slot
- locating rod
- area
- locating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The present invention relates to a kind of building electricity consumption drill bits with positioning function, drill body end set has several locating slots, locating slot includes along the first slot area that drill body is axially arranged, the second slot area and third slot area, first slot area is formed with a positioning hole in the end of drill body, first slot area is provided with locating rod, and there is locating rod a positioning head, the end radius of positioning head to be less than 1 millimeter, locating slot is provided with several balls, and ball rolls between third slot area and the second slot area.Third slot area and the first slot district's groups are at the sliding slot slided for the locating rod, locating rod can enter third slot area so that positioning head is hidden into the drill body, or the locating rod leaves third slot area so that positioning head stretches out the drill body, in such a way that locating rod stretches out locating slot, reduce forced area, increases frictional force and positioned, to drill, during drilling, ball moving causes locating rod to bounce back to the second slot area, to realize drilling.
Description
Technical field
The present invention relates to building fittings, more specifically to a kind of building electricity consumption drill bit with positioning function.
Background technology
Electric drill is the drilling machine that power is done using electricity.It is the conventional products in electric tool, and have the call
Electric tool class product.Annual production and marketing quantity accounts for the 35% of Chinese electric tool.
Electric drill main specifications has 4,6,8,10,13,16,19,23,32,38,49mm etc., number refers to is in tensile strength
The drill bit maximum gauge to drill on the steel of 390N/mm2.Non-ferrous metal, plastic or other material maximum drilling diameter are advised than former
Lattice are big by 30~50%.Electric drill operation principle is that the rotor of electromagnetic rotation or electromagnetic reciprocating small capacity motor does magnetic field
Cutting acting operating, drives apparatus for work by transmission mechanism, the power of drill bit is increased with moving gear, to make drill bit scrapings
Body surface face, preferably pierces object.It is used in the electric drill class product of family, the requirements such as service life, working efficiency, machining accuracy
Relatively low, product quantity is big, accounts for about the 70 ~ 80% of electric drill class product population；In addition the electric drill class product for having 30 ~ 20% then belongs to profession
Tool, i.e., China be commonly referred to as " commercial power power driven tools " product, then technology is more demanding, including machining accuracy, using reliable
Property（Such as primary fault time, damage number）, service life, performance level（Such as torque, concentricity）Etc. be higher than household
Product.
But when impacting relatively smooth metope using electric drill, it is very easy to have skidded phenomenon, one to influence to bore
The efficiency in hole, two to generate larger security risk to the operation that real impact bores, and influence safe to use.And impact drill then can be non-
Wall is often destroyed easily, is not suitable for the use to marble or ceramic tile metope.
Invention content
In view of this, it is an object of the present invention to provide a kind of building electricity consumption drill bits with positioning function.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of electric drill for building with positioning function
The end set of drill bit, including drill body, the drill body is formed with a plane, if the drill body end set has
Dry locating slot, the locating slot include along the first slot area that the drill body is axially arranged, the second slot area and third slot area,
First slot area is formed with a positioning hole in the end of the drill body, and second slot area and first slot area pass through
Third slot area is connected to, and third slot area axially deviates from the drill body end by first slot area along the drill body
Direction extend to form, second slot area by third slot area along the drill body radially outward direction extend shape
At first slot area is provided with locating rod, and there is the locating rod positioning head, the end radius of the positioning head to be less than 1
Millimeter, the locating slot are provided with several balls, and the ball rolls between third slot area and the second slot area；
At the sliding slot slided for the locating rod, the locating rod can enter third for third slot area and the first slot district's groups
Third slot area is left into the drill body or the locating rod so that positioning head stretches out the brill so that positioning head is hidden in slot area
Head ontology；
The locating slot inner wall sintering has tempered martensite layer；
When third slot area is there are when ball, the ball hinders the locating rod to enter third slot area.
Further：Silicone adhesive is filled in second slot area and third slot area.
Further：The side wall of the locating rod offers guide groove, and the guide groove is provided with guiding surface, and described
One slot area is additionally provided with the expanding block made of metal, and it is described to squeeze the guiding surface when the metal expands
The expansive force into the drill body is hidden in locating rod offer.
Further：The groove depth of the guide groove is less than 0.5 millimeter.
Further：The locating rod is made of high manganese.
Further：The ball is made of Cr series white cast iron.
The technology of the present invention effect major embodiment is in the following areas：It is arranged in this way, when needing to drill to smooth tablets,
In such a way that locating rod stretches out locating slot, reduce forced area, increases frictional force and positioned, to drill, bored
During hole, ball moving causes locating rod to bounce back to the second slot area, to realize drilling.
Description of the drawings
Fig. 1：A kind of building electricity consumption drill bit side schematic view with positioning function of the present invention；
Fig. 2：A kind of building electricity consumption drill bit main view direction schematic diagram with positioning function of the present invention；
Fig. 3：Schematic diagram under a kind of locating rod stretching state of the building electricity consumption drill bit with positioning function of the present invention；
Fig. 4：Schematic diagram under a kind of locating rod retracted state of the building electricity consumption drill bit with positioning function of the present invention.
Reference numeral：100, drill body；11, locating slot；110, location hole；111, the first slot area；112, the second slot area；
113, third slot area；12, tempered martensite layer；13, expanding block；200, locating rod；21, positioning head；210, guide groove；211, it leads
To inclined-plane；31, ball；41, silicone adhesive.
Specific implementation mode
Below in conjunction with attached drawing, the specific implementation mode of the present invention is described in further detail, so that technical solution of the present invention is more
It should be readily appreciated that and grasp.
Shown in Fig. 4, a kind of building electricity consumption drill bit with positioning function, including drill body 100, institute
The end set for stating drill body 100 is formed with a plane, and 100 end set of the drill body has several locating slots 11, institute
It includes along the first slot area 111 that the drill body 100 is axially arranged, the second slot area 112 and third slot area to state locating slot 11
113, first slot area 111 is formed with a positioning hole 110, second slot area, 112 He in the end of the drill body 100
First slot area 111 is connected to by third slot area 113, and third slot area 113 is by first slot area 111 along the drill bit
The axial direction away from 100 end of the drill body of ontology 100 extends to form, and second slot area 112 is by the third slot
Area 113 is extended to form along the radially outward direction of the drill body 100, and first slot area 111 is provided with locating rod
200, there is the locating rod 200 positioning head 21, the end radius of the positioning head 21 to be less than 1 millimeter, the locating slot 11
Several balls 31 are provided with, the ball 31 rolls between third slot area 113 and the second slot area 112；First by drill bit
The end set of ontology 100, which is a plane, can facilitate fixed and be oriented to, while each locating slot 11 is arranged to L-type.
Locating rod 200 is at least arranged 5 or more, avoids contact with face cracking, increases frictional force.
The sliding slot that third slot area 113 and the composition of first slot area 111 are slided for the locating rod 200, it is described fixed
Position bar 200 can enter third slot area 113 so that positioning head 21 is hidden is left into the drill body 100 or the locating rod 200
Third slot area 113 is so that positioning head 21 stretches out the drill body 100；
The sintering of 11 inner wall of the locating slot has tempered martensite layer 12；(crystal structure is body to the lamellar martensite formed when quenching
Heart four directions) decompose in the tempering first stage-carbon precipitation-in the form of transition carbide therein is formed by, is being dissolved
Body matrix (crystal structure has turned into body-centered cubic) interior Dispersed precipitate the ultrafine transition carbide thin slice (boundary with matrix
Face is coherent boundary) heterogeneous structure;This group is woven under metallographic (optics) microscope and is differentiated being amplified to maximum multiplying power
Its internal structure is not gone out, it is black needle (lamellar martensite (also known as " the α horses formed when the shape of black needle and quenching to only see its entirety
Family name's body ") white needle it is essentially identical), this black needle be known as " tempered martensite ".Its wearability is larger, can play cushioning effect,
So that influence of the cooperation of locating slot 11, locating rod 200 to 100 integral strength of drill body reduces.
When third slot area 113 is there are when ball 31, the ball 31 hinders the locating rod 200 to enter the third
Slot area 113.And when drill body 100 rotates, by rotating the centrifugal force generated, ball 31 can just be made to enter the second slot area
112, so locating rod 200 will under pressure enter drill body 100 inside, to overall structure play support make
With.
Silicone adhesive 41 is filled in second slot area 112 and third slot area 113.Silicone adhesive 41 is a kind of similar ointment,
Once the moisture in ingress of air will be solidified into a kind of material of tough and tensile rubber solid.It is broadly divided into de- acetic acid type, is taken off
Alcohol type, deamination type take off the third type.Silicone adhesive 41 is commonly called as glass cement because of the bonding in terms of being commonly used for glass and sealing.It is single
Component silicone glass cement is a kind of similar ointment, once will to be solidified into a kind of tough and tensile rubber solid for the moisture in ingress of air
The material of body.Silicone adhesive 41 at normal temperatures jelly, so the movement of ball 31 can be hindered, and it is heated when mobility increase, it is right
The obstruction of ball 31 is gradually reduced, and ball 31 rolls into the second slot area 112 naturally, ensures the retraction of locating rod 200.
The side wall of the locating rod 200 offers guide groove 210, and the guide groove 210 is provided with guiding surface 211, institute
It states the first slot area 111 and is additionally provided with expanding block 13 made of metal, the guiding is squeezed when the metal expands
Inclined-plane 211 is that the locating rod 200 provides the expansive force hidden into the drill body 100.The groove depth of the guide groove 210 is small
In 0.5 millimeter.It is arranged in this way, since the coefficient of expansion of metal is higher, for drill body 100, it is easier to
It is expanded under heating condition, so setting guiding surface 211, will squeeze guiding surface 211, play a guiding during expansion
Effect, it should be noted that illustrate for convenience, so increasing locating rod 200 in this figure stretches out drill body 100 end
Distance, under normal circumstances, locating rod 200 in 100 end of drill body operating range be less than 1CM.
The locating rod 200 is made of high manganese.It is represented as potassium steel ZGMn13.Bearing severe impact or contact
Under stress, surface can be rapid curing, and core still keeps extremely strong toughness, outer hard interior tough not only wear-resistant but also shock resistance.And table
Face is hit heavier, and Surface hardened layer is more abundant, and wearability is better.Since potassium steel rigidity is very low（HB170-230）,
Wearability is extremely limited when unhardened, if the absorbed impact power in potassium steel part surface is insufficient, surface cannot be fully hard
Change（Rear surface hardness is sufficiently hardened up to HB550 or more, it is on the contrary then in HB350 or less）Then wearability has no way of playing, and presents
Go out not wear-resisting situation.
The ball 31 is made of Cr series white cast iron.This cast iron chrome content is 33%, and most tissue is austenite and siderochrome
Also there is ferrite sometimes in carbide.This alloy is not higher than 1050 DEG C of high temperature in addition to certain wearability, in temperature
Under operating condition, there is good antioxygenic property.Ensure service life.
Certainly, the representative instance of the above only present invention, in addition to this, the present invention can also have other a variety of specific implementations
Mode, all technical solutions formed using equivalent substitution or equivalent transformation, is all fallen within the scope of protection of present invention.
Claims (6)
1. a kind of building electricity consumption drill bit with positioning function, including drill body, it is characterised in that：The drill body
End set is formed with a plane, and it includes along the brill that the drill body end set, which has several locating slots, the locating slot,
The first slot area, the second slot area and the third slot area that head ontology is axially arranged, first slot area is in the end of the drill body
Portion is formed with a positioning hole, second slot area and first slot area and is connected to by third slot area, and third slot area is by institute
The first slot area is stated axially to extend to form away from the direction of the drill body end along the drill body, second slot area by
Third slot area is extended to form along the radially outward direction of the drill body, and first slot area is provided with locating rod,
The locating rod has a positioning head, and the end radius of the positioning head is less than 1 millimeter, if the locating slot is provided with dry milling
Pearl, the ball roll between third slot area and the second slot area；
At the sliding slot slided for the locating rod, the locating rod can enter third for third slot area and the first slot district's groups
Third slot area is left into the drill body or the locating rod so that positioning head stretches out the brill so that positioning head is hidden in slot area
Head ontology；
The locating slot inner wall sintering has tempered martensite layer；
When third slot area is there are when ball, the ball hinders the locating rod to enter third slot area.
2. a kind of building electricity consumption drill bit with positioning function as described in claim 1, it is characterised in that：Second slot
Silicone adhesive is filled in area and third slot area.
3. a kind of building electricity consumption drill bit with positioning function as described in claim 1, it is characterised in that：The locating rod
Side wall offer guide groove, the guide groove is provided with guiding surface, and first slot area is additionally provided with through metal system
At expanding block, the guiding surface is squeezed when the metal expands and is provided for the locating rod and is hidden into the drill bit sheet
The expansive force of body.
4. a kind of building electricity consumption drill bit with positioning function as claimed in claim 3, it is characterised in that：The guide groove
Groove depth be less than 0.5 millimeter.
5. a kind of building electricity consumption drill bit with positioning function as described in claim 1, it is characterised in that：The locating rod
It is made of high manganese.
6. a kind of building electricity consumption drill bit with positioning function as described in claim 1, it is characterised in that：The ball by
Cr series white cast iron is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810279514.3A CN108526550B (en) | 2018-04-01 | 2018-04-01 | A kind of building electricity consumption drill bit with positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810279514.3A CN108526550B (en) | 2018-04-01 | 2018-04-01 | A kind of building electricity consumption drill bit with positioning function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108526550A true CN108526550A (en) | 2018-09-14 |
| CN108526550B CN108526550B (en) | 2019-08-13 |
Family
ID=63481981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810279514.3A Active CN108526550B (en) | 2018-04-01 | 2018-04-01 | A kind of building electricity consumption drill bit with positioning function |
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| Country | Link |
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|---|---|---|---|---|
| JP2011206869A (en) * | 2010-03-29 | 2011-10-20 | Mitsubishi Materials Corp | Blade edge replaceable rotary cutting tool |
| CN203918042U (en) * | 2014-07-16 | 2014-11-05 | 浙江新大塑料管件有限公司 | A kind of pipe fitting boring cutter |
| CN205032538U (en) * | 2015-06-12 | 2016-02-17 | 东风模具冲压技术有限公司 | CH hole device is fixed a position towards benchmark to hydraulic pressure |
| CN105478852A (en) * | 2016-01-22 | 2016-04-13 | 赵信彪 | Drilling tool for machining universal holes |
| CN105499664A (en) * | 2016-01-18 | 2016-04-20 | 杭州斯泰新材料技术有限公司 | Drill bit and installation method of plug |
| CN105964774A (en) * | 2016-06-14 | 2016-09-28 | 铜陵市晶赛电子有限责任公司 | Punching die for metal three-way parts |
| CN205704450U (en) * | 2016-05-25 | 2016-11-23 | 佛山市联智新创科技有限公司 | A kind of plastic cylinder body three-point fix perforating mechanism |
| CN206903591U (en) * | 2017-06-30 | 2018-01-19 | 东营万洋石油科技有限公司 | A kind of radio magnetic wave drilling well drill bit |
| CN206997479U (en) * | 2017-07-22 | 2018-02-13 | 深圳智慧前线科技有限公司 | A kind of hardware pipe punching device |
-
2018
- 2018-04-01 CN CN201810279514.3A patent/CN108526550B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011206869A (en) * | 2010-03-29 | 2011-10-20 | Mitsubishi Materials Corp | Blade edge replaceable rotary cutting tool |
| CN203918042U (en) * | 2014-07-16 | 2014-11-05 | 浙江新大塑料管件有限公司 | A kind of pipe fitting boring cutter |
| CN205032538U (en) * | 2015-06-12 | 2016-02-17 | 东风模具冲压技术有限公司 | CH hole device is fixed a position towards benchmark to hydraulic pressure |
| CN105499664A (en) * | 2016-01-18 | 2016-04-20 | 杭州斯泰新材料技术有限公司 | Drill bit and installation method of plug |
| CN105478852A (en) * | 2016-01-22 | 2016-04-13 | 赵信彪 | Drilling tool for machining universal holes |
| CN205704450U (en) * | 2016-05-25 | 2016-11-23 | 佛山市联智新创科技有限公司 | A kind of plastic cylinder body three-point fix perforating mechanism |
| CN105964774A (en) * | 2016-06-14 | 2016-09-28 | 铜陵市晶赛电子有限责任公司 | Punching die for metal three-way parts |
| CN206903591U (en) * | 2017-06-30 | 2018-01-19 | 东营万洋石油科技有限公司 | A kind of radio magnetic wave drilling well drill bit |
| CN206997479U (en) * | 2017-07-22 | 2018-02-13 | 深圳智慧前线科技有限公司 | A kind of hardware pipe punching device |
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| Publication number | Publication date |
|---|---|
| CN108526550B (en) | 2019-08-13 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190717 Address after: 212135 Xinglong Village, Yaoqiao Town, Zhenjiang New District, Zhenjiang City, Jiangsu Province Applicant after: Zhenjiang Yao research tools Co. Address before: 030300 Construction Quality Supervision Station near Nanjie Street, Loufan County, Taiyuan City, Shanxi Province Applicant before: Yuan Shengli |
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| GR01 | Patent grant |