CN213360009U - Rotatable PDC drill bit - Google Patents
Rotatable PDC drill bit Download PDFInfo
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- CN213360009U CN213360009U CN202021268540.5U CN202021268540U CN213360009U CN 213360009 U CN213360009 U CN 213360009U CN 202021268540 U CN202021268540 U CN 202021268540U CN 213360009 U CN213360009 U CN 213360009U
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- drill bit
- tooth
- rotatable
- lower clutch
- wing
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Abstract
The utility model discloses a rotatable PDC drill bit, including the brill body, the fixed surface of the brill body is connected with the wing, the bottom fixedly connected with lower clutch of the brill body, the grooving has all been seted up to the both sides of lower clutch, the bottom fixedly connected with connecting rod of lower clutch, the surperficial swing joint of wing has the swivelling tooth, the one end fixedly connected with blade of wing is kept away from to the swivelling tooth, the inlet opening of mutual intercommunication is all seted up to the inside of lower clutch and connecting rod, the water storage chamber has been seted up to the inside of the brill body. The utility model discloses it is rotatable to possess the brill tooth, and it drives the rotatory operation of driling of blade to bore the tooth, and drilling effect is good, and long service life's advantage has solved current PDC drill bit simple structure, bores tooth and drill bit fixed mounting, can not rotate, does not have the blade on the brill tooth, can not be better smash the bottom rock for it is inhomogeneous to bore the tooth atress, has reduced drill bit life's problem.
Description
Technical Field
The utility model relates to a PDC drill bit technical field specifically is a rotatable PDC drill bit.
Background
The bit is the main instrument of broken rock in the drilling process, the well hole is formed by the broken rock of bit, a well hole forms good or bad, the length of spent time, except with the characteristic of the stratum rock that bores and the performance of bit itself have a correlation, it is more relevant with the mutual matching degree between bit and the stratum, the reasonable type of selection of bit plays an important role in improving drilling speed, reduce the comprehensive cost of well drilling, current PDC bit simple structure, it is unable to rotate that the drill tooth and bit are fixed mounting, do not have the blade on the drill tooth, can not better smash the bottom rock, make the drill tooth atress inhomogeneous, the life of bit has been reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotatable PDC drill bit, it is rotatable to possess the brill tooth, and it drives the rotatory operation of driling of blade to bore the tooth, and drilling effect is good, and long service life's advantage has solved current PDC drill bit simple structure, bores tooth and drill bit fixed mounting, can not rotate, does not have the blade on the brill tooth, can not be better smash the bottom rock for it is inhomogeneous to bore the tooth atress, has reduced drill bit life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rotatable PDC drill bit, includes the drilling body, the fixed surface of the drilling body is connected with the wing, the bottom fixedly connected with lower clutch of the drilling body, the grooving has all been seted up to the both sides of lower clutch, the bottom fixedly connected with connecting rod of lower clutch, the surperficial swing joint of wing has rotatory tooth, the one end fixedly connected with blade of wing is kept away from to rotatory tooth, the inlet opening of mutual intercommunication is all seted up to the inside of lower clutch and connecting rod, the water storage chamber has been seted up to the inside of the drilling body, the apopore has been seted up at the top of the drilling body, apopore and water storage chamber intercommunication.
Preferably, the surface of the connecting rod is provided with an external thread, and the connecting rod is in a circular truncated cone shape.
Preferably, the number of the blades is a plurality, and the blades are circumferentially arranged at equal intervals by taking the drill body as an axis.
Preferably, the top of the drill body is provided with an expansion groove, and the expansion groove is communicated with the water outlet hole.
Preferably, the bottom of the water storage cavity is communicated with the water inlet hole, and the diameter of the water storage cavity is larger than that of the water inlet hole.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a bore the body, the wing of a knife, the lower clutch, the grooving, the connecting rod, rotatory tooth, the blade, the inlet opening, the water storage chamber, apopore and expansion tank cooperate, it is rotatable to possess the brill tooth, it drives the rotatory operation of driling of blade to bore the tooth, drilling effect is good, long service life's advantage, current PDC drill bit simple structure has been solved, it is rotatable with drill bit fixed mounting to bore the tooth, can not rotate, do not have the blade on the brill tooth, can not be better smash the bottom rock, make to bore the tooth atress inhomogeneous, the problem of drill bit life has been reduced.
2. The utility model discloses a set up the inlet opening, be convenient for carry the water source to water storage intracavity chamber, through setting up apopore and expansion tank, be convenient for discharge the water source of water storage intracavity chamber, through setting up a plurality of wing and rotatory tooth, can increase the drilling dynamics, the power that receives when being favorable to the dispersion drilling avoids the too big phenomenon of wing local atress, through setting up the blade, is favorable to smashing ground layer stereoplasm object.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is a top view of the present invention.
In the figure: 1 drill body, 2 blades, 3 lower joints, 4 cutting grooves, 5 connecting rods, 6 rotating teeth, 7 blades, 8 water inlet holes, 9 water storage cavities, 10 water outlet holes and 11 expansion grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses a drill body 1, wing of a knife 2, lower clutch 3, grooving 4, connecting rod 5, rotatory tooth 6, blade 7, inlet opening 8, water storage chamber 9, apopore 10 and expansion groove 11 part are the parts that general standard or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.
Referring to fig. 1-3, a rotatable PDC drill bit includes a drill body 1, a blade 2 fixedly connected to a surface of the drill body 1, a lower joint 3 fixedly connected to a bottom of the drill body 1, cutting grooves 4 formed on both sides of the lower joint 3, a connecting rod 5 fixedly connected to a bottom of the lower joint 3, a rotary tooth 6 movably connected to a surface of the blade 2, a blade 7 fixedly connected to an end of the rotary tooth 6 remote from the blade 2, water inlets 8 communicating with each other formed in the lower joint 3 and the connecting rod 5, a water storage chamber 9 formed in the drill body 1, a water outlet 10 formed in a top of the drill body 1, the water outlet 10 communicating with the water storage chamber 9, an external thread formed on a surface of the connecting rod 5, the connecting rod 5 having a circular truncated cone shape, a plurality of blades 2, the blades 2 circumferentially arranged at equal intervals with the drill body 1 as an axis, an expansion groove 11 formed in the top of the drill body 1, the expansion groove 11 is communicated with the water outlet hole 10, the bottom of the water storage cavity 9 is communicated with the water inlet hole 8, the diameter of the water storage cavity 9 is larger than that of the water inlet hole 8, water is conveniently conveyed to the inner cavity of the water storage cavity 9 by arranging the water outlet hole 10 and the expansion groove 11, the water in the inner cavity of the water storage cavity 9 is conveniently discharged, the drilling force can be increased by arranging a plurality of blades 2 and rotating teeth 6, the force applied during drilling is favorably dispersed, the phenomenon that the local stress of the blades 2 is overlarge is avoided, crushing of hard objects in a rock-soil layer is favorably realized by arranging the blades 7, the drilling operation is realized by the drill body 1, the blades 2, the lower connector 3, the cutting groove 4, the connecting rod 5, the rotating teeth 6, the blades 7, the water inlet hole 8, the water storage cavity 9, the water outlet hole 10 and the expansion groove 11, the drill teeth are rotatable, the drill teeth drive the blades, the long service life's advantage has solved current PDC drill bit simple structure, bores tooth and drill bit fixed mounting, can not rotate, does not have blade 7 on the drilling tooth, can not be better smash bottom rock for bore the tooth atress inhomogeneous, reduced drill bit life's problem.
During the use, during drilling operation, the drill body 1 drives 2 rotations of wing, and wing 2 drives rotatory tooth 6 and 7 rotations of blade, and rotatory tooth 6 can the rotation simultaneously, and rotatory tooth 6 drives 7 rotations of blade, and drilling effect is good, and blade 7 is smashed the rock, and the coolant liquid passes through inlet opening 8 and gets into 9 inner chambers in water storage chamber, discharges through apopore 10 at last, can cool off the drill bit, washes the rock piece simultaneously.
In summary, the following steps: this rotatable PDC drill bit, through boring body 1, wing 2, lower clutch 3, grooving 4, connecting rod 5, rotatory tooth 6, blade 7, inlet opening 8, water storage chamber 9, apopore 10 and expansion groove 11 cooperate, current PDC drill bit simple structure has been solved, bore tooth and drill bit fixed mounting, can not rotate, do not have the blade on the brill tooth, can not be better smash the bottom rock, make the brill tooth atress inhomogeneous, reduced drill bit life's problem.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A rotatable PDC drill bit, comprising a drill body (1), characterized in that: the utility model discloses a drill bit, including the drill bit body, the fixed surface of drill bit body (1) is connected with wing (2), the bottom fixedly connected with lower clutch (3) of drill bit body (1), grooving (4) have all been seted up to the both sides of lower clutch (3), bottom fixedly connected with connecting rod (5) of lower clutch (3), the surperficial swing joint of wing (2) has rotatory tooth (6), the one end fixedly connected with blade (7) of wing (2) are kept away from in rotatory tooth (6), inlet opening (8) that communicate each other are all seted up to the inside of lower clutch (3) and connecting rod (5), water storage chamber (9) have been seted up to the inside of drill bit body (1), apopore (10) have been seted up at the top of drill bit body (1), apopore (10) communicate with water storage chamber (9).
2. The rotatable PDC bit of claim 1, wherein: the surface of the connecting rod (5) is provided with an external thread, and the connecting rod (5) is in a circular truncated cone shape.
3. The rotatable PDC bit of claim 1, wherein: the number of the blades (2) is a plurality, and the blades (2) are arranged in a circumferential direction at equal intervals by taking the drill body (1) as an axis.
4. The rotatable PDC bit of claim 1, wherein: the top of the drill body (1) is provided with an expansion groove (11), and the expansion groove (11) is communicated with the water outlet hole (10).
5. The rotatable PDC bit of claim 1, wherein: the bottom of the water storage cavity (9) is communicated with the water inlet hole (8), and the diameter of the water storage cavity (9) is larger than that of the water inlet hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021268540.5U CN213360009U (en) | 2020-07-02 | 2020-07-02 | Rotatable PDC drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021268540.5U CN213360009U (en) | 2020-07-02 | 2020-07-02 | Rotatable PDC drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213360009U true CN213360009U (en) | 2021-06-04 |
Family
ID=76138677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021268540.5U Active CN213360009U (en) | 2020-07-02 | 2020-07-02 | Rotatable PDC drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213360009U (en) |
-
2020
- 2020-07-02 CN CN202021268540.5U patent/CN213360009U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220629 Address after: 841000 No.74, group 3, noqiaoka village, qunbak Town, Luntai County, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Ning Zixiao Address before: 750004 8001, building 1, gate 3, North Changcheng garden, Changcheng Middle Road, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: He Pan |
|
| TR01 | Transfer of patent right |