CN214118118U - Lower clamping type drilling tool - Google Patents
Lower clamping type drilling tool Download PDFInfo
- Publication number
- CN214118118U CN214118118U CN202023128870.7U CN202023128870U CN214118118U CN 214118118 U CN214118118 U CN 214118118U CN 202023128870 U CN202023128870 U CN 202023128870U CN 214118118 U CN214118118 U CN 214118118U
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- drilling tool
- steel ball
- spring
- tool body
- clamping groove
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Abstract
The utility model provides a lower clamping type drilling tool, which comprises a drilling tool body, wherein the drilling tool body is provided with a clamping groove and a spring clamping groove from top to bottom along the surface of an upper end gap, a spring is arranged on the spring clamping groove, a metal lining ring is arranged on the clamping groove, a steel ball is clamped on the metal lining ring, the outer side wall of the lower end of the drilling tool body is provided with water flow holes, and the water flow holes are equidistantly arranged along the circumferential direction of the drilling tool body; the utility model discloses a steel ball lower extreme sets up the spring, passes the metal junk ring when the steel ball, and the spring provides restoring force of steel ball, through erection joint round pin on the steel ball, wears to establish the pinhole on the connecting pin and lifts the steel ball, need not the manual steel ball that resets, has improved work efficiency.
Description
Technical Field
The utility model mainly relates to a probing tool field for geological exploration especially relates to lower cassette drilling tool.
Background
The general term for the entire drill string and its joints used in drilling operations (excluding casing for hole protection). The drilling tool consists of an active drill rod, a core tube, a reamer at the bottom end and a drill bit, and a settling tube or a drill collar is additionally connected to the upper part of the core tube when necessary. The drilling tool has the functions of transmitting bit pressure and rotary torque to the drill bit during the process of drilling rock stratum, conveying drilling flushing fluid to the bottom of a hole and collecting a rock core.
Generally, after each time of work, a machine needs to be fished up from a water depth of more than 200 meters, the lower clamping type drilling tool is manually reset to work again, time and labor are wasted, and the work efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a lower clamping type drilling tool, which comprises a drilling tool body 1, wherein the drilling tool body 1 is provided with a clamping groove 2 and a spring clamping groove 3 from top to bottom along the surface of an upper end gap, a spring 4 is arranged on the spring clamping groove 3, a metal lining ring 5 is arranged on the clamping groove 2, a steel ball 6 is clamped on the metal lining ring 5,
the lateral wall of the lower end of the drilling tool body 1 is provided with water flow holes 7, and the water flow holes 7 are equidistantly arranged along the circumferential direction of the drilling tool body 1.
Preferably, the steel ball 6 is provided with a connecting pin 8, and the connecting pin 8 is provided with a pin hole 9 along the side wall.
Preferably, the inner side wall of the gap of the drilling tool body 1 is provided with an internal thread 10.
Preferably, the outer side wall of the upper end of the drilling tool body 1 is provided with a protective shell 11.
Preferably, the diameter of the steel ball 6 is the same as the inside diameter of the metal collar 5.
Preferably, the metal lining ring 5 and the clamping groove 2 are correspondingly matched.
Preferably, the diameter of the spring 4 is smaller than that of the steel ball 6.
Preferably, the spring 4 is a rectangular spring.
The utility model has the advantages that: the spring is arranged at the lower end of the steel ball, when the steel ball penetrates through the metal lining ring, the spring provides restoring force for the steel ball, the connecting pin is arranged on the steel ball, the steel ball is lifted through the pin hole in the connecting pin in a penetrating mode, the steel ball does not need to be reset manually, and working efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a drilling tool body; 2. a card slot; 3. a spring clamp groove; 4. a spring; 5. a metal gasket; 6. a steel ball; 7. a water flow hole; 8. a connecting pin; 9. a pin hole; 10. an internal thread; 11. a protective shell.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
As shown in fig. 1-2, the present invention comprises: the drilling tool comprises a drilling tool body 1, wherein a clamping groove 2 and a spring clamping groove 3 are sequentially formed in the drilling tool body 1 along the surface of a gap at the upper end from top to bottom, a spring 4 is installed on the spring clamping groove 3, a metal lining ring 5 is installed on the clamping groove 2, a steel ball 6 is clamped on the metal lining ring 5,
the lateral wall of the lower end of the drilling tool body 1 is provided with water flow holes 7, and the water flow holes 7 are equidistantly arranged along the circumferential direction of the drilling tool body 1.
In this embodiment, the steel ball 6 is preferably provided with a connecting pin 8, and the connecting pin 8 is provided with a pin hole 9 along a side wall.
In this embodiment, the inner side wall of the notch of the drilling tool body 1 is preferably provided with an internal thread 10.
In the present embodiment, it is preferable that the outer side wall of the upper end of the tool body 1 is provided with a protective casing 11.
In this embodiment, the diameter of the steel ball 6 is preferably the same as the inside diameter of the metal collar 5.
In this embodiment, it is preferable that the metal collar 5 and the slot 2 are correspondingly disposed.
In the present embodiment, the diameter of the spring 4 is preferably smaller than the diameter of the steel ball 6.
In the present embodiment, the spring 4 is preferably a rectangular spring.
When the water flow pressure reaches a certain value, the steel ball penetrates through the metal lining ring under the action of the pressure, and the water flow overflows from the water flow hole;
the spring is arranged at the lower end of the steel ball, when the steel ball penetrates through the metal lining ring, the spring provides restoring force for the steel ball, the connecting pin is arranged on the steel ball, the steel ball is lifted through the pin hole in the connecting pin in a penetrating mode, the steel ball does not need to be reset manually, and working efficiency is improved.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (8)
1. The lower clamping type drilling tool is characterized by comprising a drilling tool body (1), wherein a clamping groove (2) and a spring clamping groove (3) are sequentially formed in the drilling tool body (1) along the surface of a gap at the upper end from top to bottom, a spring (4) is installed on the spring clamping groove (3), a metal lining ring (5) is installed on the clamping groove (2), a steel ball (6) is clamped on the metal lining ring (5),
the outer side wall of the lower end of the drilling tool body (1) is provided with a plurality of water flow holes (7), and the water flow holes (7) are equidistantly arranged along the circumferential direction of the drilling tool body (1).
2. The draw down type drill according to claim 1, wherein: the steel ball (6) is provided with a connecting pin (8), and the connecting pin (8) is provided with a pin hole (9) along the side wall.
3. The draw down type drill according to claim 1, wherein: the inner side wall of the gap of the drilling tool body (1) is provided with an internal thread (10).
4. The draw down type drill according to claim 3, wherein: the outer side wall of the upper end of the drilling tool body (1) is provided with a protective shell (11).
5. The draw down type drill according to claim 1, wherein: the diameter of the steel ball (6) is the same as the inner diameter of the metal lining ring (5).
6. The draw down type drill according to claim 5, wherein: the metal lining ring (5) and the clamping groove (2) are correspondingly matched.
7. The draw down type drill according to claim 1, wherein: the diameter of the spring (4) is smaller than that of the steel ball (6).
8. The draw down type drill according to claim 7, wherein: the spring (4) is a rectangular spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023128870.7U CN214118118U (en) | 2020-12-22 | 2020-12-22 | Lower clamping type drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023128870.7U CN214118118U (en) | 2020-12-22 | 2020-12-22 | Lower clamping type drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214118118U true CN214118118U (en) | 2021-09-03 |
Family
ID=77513660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023128870.7U Active CN214118118U (en) | 2020-12-22 | 2020-12-22 | Lower clamping type drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214118118U (en) |
-
2020
- 2020-12-22 CN CN202023128870.7U patent/CN214118118U/en active Active
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