CN2568800Y - Connecting sleeve of drill shank - Google Patents
Connecting sleeve of drill shank Download PDFInfo
- Publication number
- CN2568800Y CN2568800Y CN 02267382 CN02267382U CN2568800Y CN 2568800 Y CN2568800 Y CN 2568800Y CN 02267382 CN02267382 CN 02267382 CN 02267382 U CN02267382 U CN 02267382U CN 2568800 Y CN2568800 Y CN 2568800Y
- Authority
- CN
- China
- Prior art keywords
- endoporus
- inner holes
- conical
- connecting sleeve
- drill steel
- Prior art date
- 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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- Drilling Tools (AREA)
Abstract
The utility model provides a connecting sleeve of a drill rod, which comprises two coaxial inner holes, wherein the inner holes are conical, the two conical heads of the inner holes are connected, the two conical bottoms of the inner holes are respectively connected with the orthohexagonal end surfaces of the inner holes and the two inner holes can also be conical. The utility model has the characteristics of central positioning, convenient disassembly, time and labor saving, low use-cost and automatic lock without disengagement, the outer orthohexagonal part of the connecting sleeve is matched with an orthohexagonal drill stem, lost motion can not occur and work efficiency can be raised by two to three times.
Description
Technical field
The utility model belongs to hammer drill drill steel technology, is specially a kind of drill steel adapter sleeve.
Background technology
Mine employed hammer drill drill steel adapter sleeve is to be interconnected by screw thread at present, its shortcoming: the one, because drill steel also needs to be processed into screw thread and could be complementary with adapter sleeve, cause the outside diameter of drill steel to dwindle, and rupture easily, cause drill steel to disconnect; In a single day adapter sleeve is is just installed and used and can't be dismantled, and has reduced operating efficiency thereby change; The 2nd, processing trouble, time-consuming, use cost height.
Summary of the invention
The purpose of this utility model provide a kind of can centralized positioning, convenient disassembly, saving of work and time, use cost is low, self-locking is not press-offed, the outer hexagon of adapter sleeve matches with hexagonal drill steel, do not produce idle running, make operating efficiency improve 2-3 drill steel adapter sleeve doubly.
The purpose of this utility model is achieved through the following technical solutions, and it has endoporus, it is characterized in that two endoporus are concentric, described endoporus is taper, endoporus two coneheads are connected, and the two awl ends of endoporus join with the end face of endoporus respectively, and the end face of endoporus is hexagon.Described two endoporus also can be taper.
Characteristics of the present utility model are reasonable in design, can contract certainly location, convenient disassembly, saving of work and time, use cost is low, self-locking is not press-offed, the outer hexagon of adapter sleeve matches with hexagonal drilling rod, do not produce idle running, make operating efficiency improve 2-3 doubly, have certain economic, social benefit.
Description of drawings
Fig. 1 is a structural representation of the present utility model; Fig. 2 is the hexagon endoporus 1 end face structure schematic diagram of Fig. 1.
Among the figure, the 1st, endoporus, the 2nd, endoporus, the 3rd, housing, the 4th, conehead.
The specific embodiment
Drill steel adapter sleeve of the present utility model, it has endoporus 1,2, it is characterized in that endoporus 1 endoporus 2 is concentric, and described endoporus 2 is taper, and 2 liang of coneheads of endoporus are connected, and the two awl ends of endoporus 2, join with the end face of endoporus 1 respectively, and the end face of endoporus 1 is hexagon.Described two endoporus 2 and endoporus 1 also can be taper.During use, principle according to Morse's taper, at adapter sleeve with after drill steel is connected, pyramidal structure can be determined the center and produce certain power that contracts certainly, do not cause drill steel to come off, in order to improve the operating efficiency of drill steel, only the friction by the power that contracts certainly of tapering and generation with it can not drive the drill steel rotation fully, easily produce idle running, make a hexagon endoporus 1 in the bottom surface of cone-shaped inner hole 2, can restrict drill steel idle running, thereby increase work efficiency greatly, only adapter sleeve need be knocked several drill steels down and drill steel when not using can break away from, and uses very convenient.
Claims (2)
1, drill steel adapter sleeve, it has endoporus (1), endoporus (2), it is characterized in that endoporus (1) endoporus (2) is a concentric, described endoporus (2) is taper, endoporus (2) two coneheads are connected, and the two awl ends of endoporus (2) join with the end face of endoporus (1) respectively, and the end face of endoporus (1) is hexagon.
2, drill steel adapter sleeve according to claim 1 is characterized in that described two endoporus (2) and endoporus (1) also can be taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267382 CN2568800Y (en) | 2002-06-05 | 2002-06-05 | Connecting sleeve of drill shank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267382 CN2568800Y (en) | 2002-06-05 | 2002-06-05 | Connecting sleeve of drill shank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2568800Y true CN2568800Y (en) | 2003-08-27 |
Family
ID=33732981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02267382 Expired - Fee Related CN2568800Y (en) | 2002-06-05 | 2002-06-05 | Connecting sleeve of drill shank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2568800Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821462A (en) * | 2014-01-15 | 2014-05-28 | 安徽中钎凿岩钎具有限公司 | Broken rod connector |
-
2002
- 2002-06-05 CN CN 02267382 patent/CN2568800Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821462A (en) * | 2014-01-15 | 2014-05-28 | 安徽中钎凿岩钎具有限公司 | Broken rod connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |