CN212774146U - Reaming screw drilling tool device - Google Patents
Reaming screw drilling tool device Download PDFInfo
- Publication number
- CN212774146U CN212774146U CN202021826716.4U CN202021826716U CN212774146U CN 212774146 U CN212774146 U CN 212774146U CN 202021826716 U CN202021826716 U CN 202021826716U CN 212774146 U CN212774146 U CN 212774146U
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- CN
- China
- Prior art keywords
- drill bit
- eccentric gear
- drilling tool
- reaming
- lower extreme
- 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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Abstract
The utility model discloses a reaming screw rod drilling tool device, including drilling tool main part, transmission shaft, there is the drill bit lower extreme inboard surface of transmission shaft through threaded connection, the drill bit adopts convex cartridge-packed structure, the opening is seted up all around to the surface of drill bit, and its opening department inboard fixed surface has the circle axle, the circle off-axial cover has cup jointed eccentric gear, eccentric gear's surface is provided with the cutter tooth, the lower extreme inboard surface of drill bit is provided with first dogtooth, the lower extreme outside surface of drill bit is provided with the second dogtooth, through set up eccentric gear in the drill bit side, its rotatable regulation makes the thickness increase that its eccentric gear spilt, and adjustable drill bit changes the diameter in hole, is convenient for adjust the use, and the reaming need not change drill bit, convenient to use.
Description
Technical Field
The utility model relates to a screw rod drilling tool field, more specifically say, relate to a reaming screw rod drilling tool device.
Background
The screw drilling tool is a positive displacement downhole power drilling tool which takes drilling fluid as power and converts the pressure energy of the fluid into mechanical energy. When slurry pumped by the slurry pump flows through the bypass valve and enters the motor, a certain pressure difference is formed between the inlet and the outlet of the motor, the rotor is pushed to rotate around the axis of the stator, and the rotating speed and the torque are transmitted to the drill bit through the universal shaft and the transmission shaft;
the drill bit of the existing screw drilling tool has the same diameter of the drilled hole, and the diameter of the drilled hole is generally small, so that subsequent work cannot be completed, and therefore, the drill bit needs to be replaced for reaming, the drill bit cannot be adjusted for use, and secondary reaming is not convenient.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a reaming screw rod drilling tool device, through set up eccentric gear in the drill bit side, its rotatable regulation makes the thickness increase that its eccentric gear spilt, and the diameter in adjustable drill bit bull nose is convenient for adjust and use, and the drill bit, convenient to use need not be changed in the reaming.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a reaming screw rod drilling tool device, includes drilling tool main part, transmission shaft, there is the drill bit lower extreme inboard surface of transmission shaft through threaded connection, the drill bit adopts convex cartridge-packed structure, the opening is seted up all around to the surface of drill bit, and its opening department inboard fixed surface has the circle axle, the circle off-axial cover has connect eccentric gear, eccentric gear's surface is provided with the sword tooth, the lower extreme inboard surface of drill bit is provided with first dogtooth, the lower extreme outside surface of drill bit is provided with the second dogtooth, through set up eccentric gear in the drill bit side, its rotatable regulation makes the thickness increase that its eccentric gear spilt, and the diameter in adjustable drill bit trompil is convenient for adjust the use, and the reaming need not change the drill bit, convenient to use.
Furthermore, the outer surface of the round shaft is provided with a nut in threaded connection, and the nut locks and fixes the eccentric gear, so that the eccentric gear is convenient to lock and fix.
Furthermore, the first convex teeth are distributed on four points on the inner side surface of the lower end of the drill bit, and are uniformly distributed, so that drilling is facilitated.
Furthermore, the second convex teeth are distributed on the outer side surface of the lower end of the drill bit for one circle and are uniformly distributed, so that the drilling is facilitated.
Furthermore, the end face of the upper end of the drill bit at the connecting screw head is provided with a ring notch, and when the drill bit is assembled, the ring notch is arranged to facilitate guiding threaded connection, so that thread clamping is avoided.
Compared with the prior art, the utility model has the advantages of:
(1) through set up eccentric gear in the drill bit side, its rotatable regulation makes the thickness increase that its eccentric gear spills, and the diameter in adjustable drill bit commentaries on classics hole is convenient for adjust and use, and the reaming need not change the drill bit, convenient to use.
(2) The outer surface of the round shaft is provided with a nut in threaded connection, and the eccentric gear is locked and fixed by the nut, so that the eccentric gear is conveniently locked and fixed.
(3) The first convex teeth are distributed on four points on the inner side surface of the lower end of the drill bit and are uniformly distributed, so that drilling is facilitated.
(4) The second convex teeth are distributed on the outer side surface of the lower end of the drill bit in a circle and are uniformly distributed, so that the drilling is facilitated.
(5) The end face of the connecting screw head at the upper end of the drill bit is provided with the ring notch, and when the drill bit is assembled, the ring notch is arranged, so that the screw thread connection can be conveniently guided, and the screw thread cannot be clamped.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic bottom view of the partial structure of the drill bit of the present invention.
The reference numbers in the figures illustrate:
1 drilling tool main part, 2 transmission shafts, 3 drill bits, 30 notches, 4 round shafts, 5 eccentric gears, 50 cutter teeth, 6 first convex teeth, 7 second convex teeth and 40 nuts.
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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, 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.
Referring to fig. 1-2, a hole-expanding screw drill device includes a drill main body 1 and a transmission shaft 2, the inner side surface of the lower end of the transmission shaft 2 is connected with a drill 3 through a screw thread, the drill 3 adopts a convex cylinder structure, the periphery of the outer surface of the drill 3 is provided with a notch 30, the inner side surface of the notch 30 is fixed with a round shaft 4, the round shaft 4 is sleeved with an eccentric gear 5, the outer surface of the eccentric gear 5 is provided with cutter teeth 50, the inner side surface of the lower end of the drill 3 is provided with first convex teeth 6, and the outer side surface of the lower end of the drill 3 is provided with second convex teeth 7.
Referring to fig. 1-2, the outer surface of the circular shaft 4 is provided with a nut 40 in threaded connection, the nut 40 locks and fixes the eccentric gear 5, so as to lock and fix the eccentric gear 5 conveniently, the first convex teeth 6 are distributed on four points on the inner side surface of the lower end of the drill bit 3, and are distributed uniformly, so as to facilitate drilling, the second convex teeth 7 are distributed on one circle on the outer side surface of the lower end of the drill bit 3, so as to be distributed uniformly, so as to facilitate drilling, the end surface of the connection screw head at the upper end of the drill bit 3 is provided with a ring notch, and when the drill bit 3 is assembled.
Adopt convex cartridge dress structure through drill bit 3, opening 30 is seted up all around to the surface of drill bit 3, its opening 30 inboard fixed surface of department has round axle 4, round axle 4 has cup jointed eccentric gear 5 outward, eccentric gear 5's surface is provided with cutter tooth 50, adjust eccentric gear 5 rotational position during its drilling, adjustable naked eccentric gear 5 size thickness, adjustable drill bit 3's drilling diameter, during the regulation, rotatory eccentric gear 5, it has nut 40 to set up threaded connection through round axle 4's surface, nut 40 locks and fixes eccentric gear 5, be convenient for lock fixed eccentric gear 5, high durability and convenient use, adjustable drill bit 3 diameter, and convenient to use does not need to change drill bit 3 when reaming.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a reaming screw rod drilling tool device, includes drilling tool main part (1), transmission shaft (2), its characterized in that: the utility model discloses a drilling tool, including transmission shaft (2), drill bit (3) adopt convex cartridge dress structure, opening (30) are seted up all around to the surface of drill bit (3), and its opening (30) department inboard fixed surface has round axle (4), eccentric gear (5) have been cup jointed outward to round axle (4), the surface of eccentric gear (5) is provided with sword tooth (50), the lower extreme inboard surface of drill bit (3) is provided with first dogtooth (6), the lower extreme outside surface of drill bit (3) is provided with second dogtooth (7).
2. A reaming screw drilling device according to claim 1, characterized in that: the outer surface of the round shaft (4) is provided with a nut (40) in threaded connection, and the eccentric gear (5) is locked and fixed by the nut (40).
3. A reaming screw drilling device according to claim 1, characterized in that: the first convex teeth (6) are distributed on four points on the inner side surface of the lower end of the drill bit (3).
4. A reaming screw drilling device according to claim 1, characterized in that: the second convex teeth (7) are distributed on the outer side surface of the lower end of the drill bit (3) for one circle and are uniformly distributed.
5. A reaming screw drilling device according to claim 1, characterized in that: the end face of the upper end of the drill bit (3) at the position of the connecting screw head is provided with a ring notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021826716.4U CN212774146U (en) | 2020-08-27 | 2020-08-27 | Reaming screw drilling tool device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021826716.4U CN212774146U (en) | 2020-08-27 | 2020-08-27 | Reaming screw drilling tool device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212774146U true CN212774146U (en) | 2021-03-23 |
Family
ID=75055121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021826716.4U Expired - Fee Related CN212774146U (en) | 2020-08-27 | 2020-08-27 | Reaming screw drilling tool device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212774146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389495A (en) * | 2021-07-28 | 2021-09-14 | 潍坊盛德石油机械制造有限公司 | PDC diamond bit capable of being salvaged while drilling |
-
2020
- 2020-08-27 CN CN202021826716.4U patent/CN212774146U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389495A (en) * | 2021-07-28 | 2021-09-14 | 潍坊盛德石油机械制造有限公司 | PDC diamond bit capable of being salvaged while drilling |
| CN113389495B (en) * | 2021-07-28 | 2022-04-22 | 潍坊盛德石油机械制造有限公司 | PDC diamond bit capable of being salvaged while drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 Termination date: 20210827 |