CN216974758U - Mixed drill bit - Google Patents
Mixed drill bit Download PDFInfo
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- CN216974758U CN216974758U CN202123436519.9U CN202123436519U CN216974758U CN 216974758 U CN216974758 U CN 216974758U CN 202123436519 U CN202123436519 U CN 202123436519U CN 216974758 U CN216974758 U CN 216974758U
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Abstract
The utility model discloses a mixed drill bit, which relates to the technical field of drilling equipment and aims to provide a mixed drill bit with convenient installation, convenient disassembly and strong practicability, and the technical key points are that the drilling equipment comprises an installation part, the inner cavity of the installation part is matched with the size and the shape of a connecting body, two opposite outer sides of the installation part are respectively provided with a positioning hole communicated with the inner cavity of the installation part, a threaded hole is arranged on the connecting body and extends to the other side of the connecting body, a bolt is arranged between the connecting body and the installation part, one end of the bolt sequentially penetrates through the positioning hole and the threaded hole and extends to the other side of the installation part, the technical effect is that the bolt penetrates through the positioning hole and the threaded hole to be in threaded sleeve joint with the threaded hole and then is fixed by a threaded sleeve, the rotation direction of the drill bit is vertical to the installation rotation direction of the bolt, the drill bit motion does not influence the fastening nature of bolt to the realization is to the quick installation of connecting part body and installation department.
Description
Technical Field
The utility model relates to the technical field of drilling equipment, in particular to a hybrid drill bit.
Background
The drill bit is a rock breaking tool used for breaking rocks and forming a shaft in a drilling process, and at present, a hybrid drill bit has the performance advantages of being suitable for various stratums, high in mechanical drilling speed, large in footage and the like due to a composite cutting structure of a fixed blade and a rolling cone, and is widely used in the field of oil drilling.
Among the prior art, the drill bit generally includes drilling body and connecting portion, and the drill bit passes through the drilling of drilling body and is connected with outside drilling equipment through connecting portion, then, when connecting portion are connected with drilling equipment's installation department, generally cup joints rather than the direct screw thread of installation department, during the use, because drill bit rotary motion possess the rotation trend along the screw thread, lead to connecting portion and drilling equipment installation department to be connected the tension, be difficult for later stage dismantlement change, the practicality is poor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the mixed drill bit which is convenient to install and disassemble and has strong practicability.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hybrid drill bit, includes drill bit body and connector, the connector can be dismantled with outside drilling equipment and be connected, drilling equipment includes the installation department, the inner chamber of installation department with the big or small shape looks adaptation of connector, and two relative outsides of installation department all set up rather than the locating hole of inner chamber intercommunication, set up the screw hole on the connector, the screw hole extends to the opposite side of connector, the connector with be equipped with the bolt between the installation department, the one end of bolt is passed in proper order locating hole and screw hole extend to the opposite side of installation department, and the bolt with screw hole thread cup joints, the both ends screw thread of bolt cup joints the thread bush.
Preferably, the connecting body and the mounting portion are fixable.
Preferably, the diameter of one side of the connecting body, which is far away from the drill bit body, is gradually increased, and the drill bit body is in interference connection with the mounting part.
Preferably, the surface of the mounting part is provided with a positioning groove around the positioning hole, and the threaded sleeve enters the inner cavity of the positioning groove and is fixedly connected with the positioning groove.
Preferably, the inner cavity of the positioning groove is provided with a water stopping layer around the inner wall of the positioning groove, and the water stopping layer is abutted against the outer wall of the threaded sleeve.
(III) advantageous effects
Compared with the prior art, the utility model provides a hybrid drill bit, which has the following beneficial effects:
utilize the bolt to pass locating hole and screw hole, make it cup joint with the screw hole screw thread, recycle the screw thread cover and fix it, the drill bit direction of rotation is perpendicular with bolt installation direction of rotation, and the drill bit motion does not influence the fastening nature of bolt to the realization is to the quick installation of connecting portion body and installation department.
Drawings
FIG. 1 is a schematic cross-sectional front view of one embodiment of the present invention;
fig. 2 is a schematic front sectional view of another embodiment of the present invention.
In the figure: 1. a bit body; 2. a linker; 3. an installation part; 4. positioning holes; 5. a threaded hole; 6. a bolt; 7. a threaded sleeve; 8. positioning a groove; 9. and (5) a water stopping layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a hybrid drill bit includes a drill bit body 1 and a connector 2, the connector 2 is detachably connected to an external drilling device, the drilling device includes a mounting portion 3, an inner cavity of the mounting portion 3 is matched with the connector 2 in size and shape, two opposite outer sides of the mounting portion 3 are respectively provided with a positioning hole 4 communicated with the inner cavity, the connector 2 is provided with a threaded hole 5, the threaded hole 5 extends to the other side of the connector 2, a bolt 6 is arranged between the connector 2 and the mounting portion 3, one end of the bolt 6 sequentially passes through the positioning hole 4 and the threaded hole 5 and extends to the other side of the mounting portion 3, the bolt 6 is in threaded sleeve 7 connection with the threaded hole 5, and threaded sleeves 7 at two ends of the bolt 6 are in threaded sleeve 7 connection with the threaded sleeve 7;
in this embodiment, utilize bolt 6 to pass locating hole 4 and screw hole 5, make it connect with 5 thread bush 7 of screw hole, recycle thread bush 7 and fix it to the realization is to the quick installation of the coupling part body and installation department 3, can discover, the drill bit direction of rotation is perpendicular with 6 installation direction of rotation of bolt, the drill bit motion does not influence the fastening nature of bolt 6, consequently, when equipment needs to be changed, can dismantle bolt 6 fast, high durability and convenient use, and the practicality is strong.
Specifically, the connecting body 2 is clamped and fixed with the mounting part 3;
before the bolt 6 is installed, the connecting body 2 and the installation part 3 can be fixedly sleeved, for example, clamped and fixed, and after the connecting body 2 is fixed, the connecting body 2 is installed, so that the installation convenience is improved on one hand, and the installation tightness of the connecting body 2 is improved on the other hand;
specifically, the diameter of one side of the connecting body 2, which is far away from the bit body 1, is gradually increased, and the bit body 1 is in interference connection with the mounting part 3.
The connecting body 2 and the mounting part 3 can be sleeved in an interference manner, at the moment, the shape of the connecting body 2 is set, so that one side of the connecting body, which is far away from the drill bit body 1, is gradually reduced, and the shape of the inner cavity of the mounting part 3 is matched with the shape of the inner cavity of the connecting body, so that the connecting body 2 can conveniently enter the mounting part 3, and after the connecting body 2 enters the mounting part 3 for a certain depth, the interference connection with the connecting body 2 is realized;
furthermore, a positioning groove 8 is formed in the surface of the mounting part 3 around the positioning hole 4, and the thread bush 7 enters the inner cavity of the positioning groove 8 and is fixedly connected with the positioning groove.
In the embodiment, the positioning groove 8 is further arranged, and the threaded sleeve 7 enters the positioning groove 8 and is fixedly connected with the positioning groove 8, so that the stability of the threaded sleeve 7 can be improved, the threaded sleeve 7 is prevented from reversing in the using process, and the stability of drill bit installation is improved; on the other hand, the threaded sleeve 7 enters the positioning groove 8 and is fixedly connected with the positioning groove, so that external water flow can be prevented from entering, the bolt 6 is protected, corrosion of environmental substances to the bolt 6 is reduced, the service life of the bolt is prolonged, and subsequent disassembly is facilitated;
it should be noted that the threaded sleeve 7 and the positioning groove 8 are fixedly connected, either in interference connection or in clamping connection;
furthermore, a water stopping layer 9 is arranged in the inner cavity of the positioning groove 8 around the inner wall of the positioning groove, and the water stopping layer 9 is abutted against the outer wall of the threaded sleeve 7;
due to the arrangement of the positioning groove 8, the threaded sleeve 7 enters the positioning groove and can be matched with the water stop layer 9 for use, the water stop layer 9 is arranged along the inner wall of the positioning groove 8, the water stop layer 9 is abutted against the outer wall of the threaded sleeve 7, the installation tightness of the threaded sleeve 7 can be improved, external water flow is prevented from penetrating through a gap between the threaded sleeve 7 and the positioning groove 8, the surface corrosion of the bolt 6 is avoided, and the service life of the bolt is prolonged;
the water stop layer 9 is an elastic layer formed by kneading a polymer inorganic water-absorbing swelling material and rubber.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (5)
1. A hybrid drill bit comprising a bit body (1) and a connecting body (2), characterized in that: the connecting body (2) is detachably connected with external drilling equipment, the drilling equipment comprises a mounting part (3), the inner cavity of the mounting part (3) is matched with the size and shape of the connecting body (2), and two opposite outer sides of the mounting part (3) are respectively provided with a positioning hole (4) communicated with the inner cavity of the mounting part, the connecting body (2) is provided with a threaded hole (5), the threaded hole (5) extends to the other side of the connecting body (2), a bolt (6) is arranged between the connecting body (2) and the mounting part (3), one end of the bolt (6) sequentially penetrates through the positioning hole (4) and the threaded hole (5) and extends to the other side of the mounting part (3), and the bolt (6) is connected with the threaded sleeve (7) of the threaded hole (5), and the threaded sleeves (7) at the two ends of the bolt (6) are connected with the threaded sleeves (7).
2. A hybrid drill bit as defined in claim 1, wherein: the connecting body (2) and the mounting part (3) can be connected and fixed.
3. A hybrid drill bit as defined in claim 1, wherein: the diameter of one side, far away from the bit body (1), of the connecting body (2) is gradually increased, and the bit body (1) is in interference connection with the mounting portion (3).
4. A hybrid drill bit according to claim 2 or 3, characterized in that: and the surface of the mounting part (3) is provided with a positioning groove (8) around the positioning hole (4), and the thread bush (7) enters the inner cavity of the positioning groove (8) and is fixedly connected with the positioning groove.
5. The hybrid drill bit of claim 4, wherein: the inner cavity of the positioning groove (8) is provided with a water stopping layer (9) around the inner wall of the positioning groove, and the water stopping layer (9) is abutted to the outer wall of the threaded sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436519.9U CN216974758U (en) | 2021-12-30 | 2021-12-30 | Mixed drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436519.9U CN216974758U (en) | 2021-12-30 | 2021-12-30 | Mixed drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216974758U true CN216974758U (en) | 2022-07-15 |
Family
ID=82349577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123436519.9U Active CN216974758U (en) | 2021-12-30 | 2021-12-30 | Mixed drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216974758U (en) |
-
2021
- 2021-12-30 CN CN202123436519.9U patent/CN216974758U/en active Active
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