CN201588537U - Sleeve type electric hammer drill - Google Patents
Sleeve type electric hammer drill Download PDFInfo
- Publication number
- CN201588537U CN201588537U CN2009202845524U CN200920284552U CN201588537U CN 201588537 U CN201588537 U CN 201588537U CN 2009202845524 U CN2009202845524 U CN 2009202845524U CN 200920284552 U CN200920284552 U CN 200920284552U CN 201588537 U CN201588537 U CN 201588537U
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- drill
- shell type
- pilot drill
- electric hammer
- sleeve
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- Expired - Fee Related
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Abstract
The utility model discloses a sleeve-type electric hammer drill, including a pilot drill and a sleeve-type drill, wherein the pilot drill is arranged at the axial center of the sleeve-type drill, a pilot drill blade made of hard alloy material is provided at the front end of the drill of the pilot drill, the sleeve-type drill is hollow cylindrical, a sleeve-type drill cutting edge made of hard alloy material is provided at the front end of the drill of the sleeve-type drill, the pilot drill blade is in welding connection to the pilot drill, a helical shape chip room is provided at the outer surface of the pilot drill and the sleeve-type drill, the pilot drill is in fixed connection with the sleeve-type drill, a fastening position is provided at the drill shank position of the sleeve-type electric hammer drill. The utility model has beneficial effects of high drill efficiency and labor-saving character.
Description
Technical field
The utility model relates to a kind of boring drill bit, particularly a kind ofly is not mingled with shell type electric hammer boring on the body of wall of metal material at brick, cement or concrete etc. and bores.
Background technology
Existing electric hammer, drill bit are the spiral solid bit, at the bottom of the comprehensive broken hole of palpus, so fragmentation volume is big, creep into effort, Fei Gong, and labour intensity is big, and bore diameter is little.Rate of penetration is slow; And the drill bit reuse is poor.In recent years newly there are finishing diamond boring machine and thin-walled hollow diamond bit to overcome the shortcoming of electric hammer, drill bit, but diamond bit palpus water cooling and plasma discharge bring working face mud, water to overflow again. on working face, stay the difficult stain of removing, more the house of having fitted up, the more difficult acceptance of user; For firm completion as yet not the house of water flowing also need people's labour movement water, construction back work amount increases, the boring cost increases; Thin faced bit costs an arm and a leg, the construction cost height.
Summary of the invention
The purpose of this utility model is to bore the deficiency that exists at the existing electric hammer described in the background technology, provides a kind of electric hammer of shell type to bore.
The realization the technical solution of the utility model is as follows:
A kind of shell type electric hammer bores, it comprises pilot drill and shell type brill, pilot drill is arranged at the axial centre that shell type is bored, chisel edge at pilot drill is provided with the pilot drill blade that Hardmetal materials is made, the shell type brill is a hollow cylinder, the chisel edge that bores in shell type is provided with the shell type brill cutting edge that Hardmetal materials is made, pilot drill blade and pilot drill are welded to connect, pilot drill and shell type are bored external surface and are provided with spiral chip area, pilot drill bores with shell type fixedlys connected, and the drillstock position of boring at the shell type electric hammer is provided with fastening position.
Described pilot drill drilled through screw thread with shell type and fixedlyed connected.
Described fastening position is provided with O type groove, straight spline, helical spline or circular arc spline.
The angle of the point of a knife of described pilot drill blade is 120 °～140 °.
The beneficial effects of the utility model are because be provided with pilot drill in the shell type electric hammer bores, so can determine the center in the hole that needs bore accurately, can reduce deviation, the carbide chip that shell type is bored is circle distribution, and is little with the body of wall contact surface, so boring is more laborsaving, and the diameter of boring is bigger, penetration rate is fast, is convenient to increase work efficiency, and alleviates working strength of workers.The drillstock position is provided with fastening position, fastening position is provided with O type groove, straight spline, helical spline or circular arc spline, so the shell type electric hammer can be bored and firm the linking together of boring machine, prevent it and cause drilling quality to be affected, even influence the application life that the shell type electric hammer bores because connection firmly swing radially takes place inadequately.Shell type was bored and pilot drill split design during this use was novel, and is fixedly connected by screw thread, can guarantee its normal use on the one hand, is convenient in time it be changed on the other hand when pilot drill or shell type get out existing damage, reduces replacement cost.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model;
Among the figure, 1 is pilot drill, and 2 are the shell type brill, and 3 is the pilot drill blade, and 4 is that shell type is bored cutting edge, and 5 is chip area, and 6 is fastening position, and 7 is drillstock.
The specific embodiment
Bore with reference to a kind of shell type electric hammer shown in Figure 1, it comprises pilot drill 1 and shell type brill 2, pilot drill 1 is arranged at the axial centre of shell type brill 2, chisel edge at pilot drill 1 is provided with the pilot drill blade that Hardmetal materials is made, shell type brill 2 is a hollow cylinder, chisel edge at shell type brill 2 is provided with the shell type brill cutting edge 4 that Hardmetal materials is made, pilot drill blade 3 is welded to connect with pilot drill 1, pilot drill 1 and shell type are bored 2 external surfaces and are provided with spiral chip area 5, pilot drill 1 and shell type are bored 2 and are fixedlyed connected by screw thread, are provided with fastening position 6 in drillstock 7 positions of shell type electric hammer brill.Described fastening position 6 is provided with O type groove, straight spline, helical spline or circular arc spline, drillstock shown in the accompanying drawing 1 is four a grooves circle handle, in concrete the application, drillstock also can be set to conical grip, four groove side's handles, double flute circle handle, six side's handles, straight spline handle, Turbo Flora key lever or circular arc spline handle according to actual needs.The angle of the point of a knife of described pilot drill blade 3 is 120 °～140 °, preferred 130 °.Because in the shell type electric hammer bores, be provided with pilot drill 1, so can determine the center in the hole that needs bore accurately, can reduce deviation, the carbide chip of shell type brill 2 is circle distribution, and is little with the body of wall contact surface, so boring is more laborsaving, and the diameter of boring is bigger, penetration rate is fast, is convenient to increase work efficiency, and alleviates working strength of workers.Drillstock 7 positions are provided with fastening position 6, fastening position 6 is provided with O type groove, straight spline, helical spline or circular arc spline, so the shell type electric hammer can be bored and firm the linking together of boring machine, prevent it and cause drilling quality to be affected, even influence the application life that the shell type electric hammer bores because connection firmly swing radially takes place inadequately.Novel middle shell type brill 2 of this use and pilot drill 1 split design, fixedly connected by screw thread, can guarantee its normal use on the one hand, when pilot drill 1 or the 2 appearance damages of shell type brill, be convenient in time it be changed on the other hand, reduce replacement cost.
Claims (4)
1. a shell type electric hammer bores, it comprises pilot drill and shell type brill, pilot drill is arranged at the axial centre that shell type is bored, chisel edge at pilot drill is provided with the pilot drill blade that Hardmetal materials is made, the shell type brill is a hollow cylinder, the chisel edge that bores in shell type is provided with the shell type brill cutting edge that Hardmetal materials is made, it is characterized in that: pilot drill blade and pilot drill are welded to connect, pilot drill and shell type are bored external surface and are provided with spiral chip area, pilot drill bores with shell type fixedlys connected, and the drillstock position of boring at the shell type electric hammer is provided with fastening position.
2. shell type electric hammer according to claim 1 bores, and it is characterized in that: described pilot drill drilled through screw thread with shell type and fixedlys connected.
3. shell type electric hammer according to claim 1 bores, and it is characterized in that: described fastening position is provided with O type groove, straight spline, helical spline or circular arc spline.
4. shell type electric hammer according to claim 1 bores, and it is characterized in that: the angle of the point of a knife of described pilot drill blade is 120 °～140 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202845524U CN201588537U (en) | 2009-12-11 | 2009-12-11 | Sleeve type electric hammer drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202845524U CN201588537U (en) | 2009-12-11 | 2009-12-11 | Sleeve type electric hammer drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201588537U true CN201588537U (en) | 2010-09-22 |
Family
ID=42748315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202845524U Expired - Fee Related CN201588537U (en) | 2009-12-11 | 2009-12-11 | Sleeve type electric hammer drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201588537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058323A (en) * | 2015-09-05 | 2015-11-18 | 张文平 | Hand-protective nailing and wall drilling device |
| CN111980588A (en) * | 2019-05-24 | 2020-11-24 | 江苏叁陆零工具有限公司 | Drill bit convenient to equipment |
-
2009
- 2009-12-11 CN CN2009202845524U patent/CN201588537U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058323A (en) * | 2015-09-05 | 2015-11-18 | 张文平 | Hand-protective nailing and wall drilling device |
| CN111980588A (en) * | 2019-05-24 | 2020-11-24 | 江苏叁陆零工具有限公司 | Drill bit convenient to equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changzhou Xinyu Precision Tool Co., Ltd. Assignor: Changzhou Wansui Tool Plant Contract record no.: 2011320001178 Denomination of utility model: Sleeve type electric hammer drill Granted publication date: 20100922 License type: Exclusive License Record date: 20111215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20141211 |
|
| EXPY | Termination of patent right or utility model |