CN214697704U

CN214697704U - Petroleum and natural gas drilling bit

Info

Publication number: CN214697704U
Application number: CN202121194553.7U
Authority: CN
Inventors: 王宝元
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-12
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses an oil and gas well drilling drill bit, including the drill bit body and pass through threaded connection's connection drilling rod with the drill bit body, the external fixed surface of drill bit body has cup jointed first connection pad, the external fixed surface of connecting the drilling rod has cup jointed the second connection pad. The utility model discloses well first connection pad passes through connecting bolt with the second connection pad and is connected, it can consolidate the drill bit body and is connected the steadiness between the drilling rod, and at first spring, the effect of second spring is down for the power of an opposite direction of first connection pad and second connection pad, thereby make the joint threaded rod of drill bit body its two screw threads support tightly mutually when the screw thread cup joints in the screw hole of connecting the drilling rod, thereby avoid producing the clearance between its drill bit body and the connecting drill rod because of the high-speed rotation of drill bit causes the screw thread, thereby avoid taking place to rock between its drill bit body and the connecting drill rod and take place the disconnected pole phenomenon of drill bit.

Description

Petroleum and natural gas drilling bit

Technical Field

The utility model relates to a drill bit technical field especially relates to an oil and gas well drilling drill bit.

Background

The drill bit (zu aint yu) is a cutting tool used by a general drill or drilling machine to cut a circular hole; the basic principle of the drill bit is that the edge cutting of the drill bit is rotated, a workpiece is cut, and then drill cuttings are removed through a drill groove; the commonly used drill bits mainly comprise a twist drill, a flat drill, a center drill, a deep hole drill and a trepanning drill; reamers and reamers are not capable of drilling solid materials, but they are also traditionally classified as drills.

In oil and gas drilling, a drill bit is one of the most important parts, but the conventional drill bit needs to rotate at a high speed when in use, and a joint threaded rod of the drill bit is easy to generate a gap with a connecting drill rod so as to shake to cause the drill bit to break the rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an oil and gas drilling bit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an oil and gas well drilling drill bit, includes drill bit body and passes through threaded connection's connection drilling rod with the drill bit body, the external fixed surface of drill bit body has cup jointed first connection pad, the external fixed surface of connecting the drilling rod has cup jointed the second connection pad, all seted up the through-hole on first connection pad and the second connection pad and first connection pad and second connection pad pass through connecting bolt and connect, be provided with second spring and connecting bolt between first connection pad and the second connection pad and be located the second spring, the threaded connection of the joint pole of drill bit body cup joints in connecting the drilling rod and the threaded hole of connecting the drilling rod is provided with the fixed plate, the top of fixed plate is fixed at the threaded hole bottom of connecting the drilling rod and the fixed plate is located the threaded connection pole top of drill bit body through first spring.

Preferably, a sliding block is fixed on the side face of the fixing plate, a sliding groove is formed in the inner wall of the threaded hole for connecting the drill rod, the sliding groove is located above a threaded groove in the threaded hole, and the sliding block is slidably mounted in the sliding groove.

Preferably, the bottom of the connecting drill rod is provided with a groove matched with the threaded hole, the groove is communicated with the threaded hole, the top end of the drill bit body is located in the groove, and a rubber ring is arranged between the groove and the drill bit body.

Preferably, the top of the fixing plate is provided with a rubber block, and the rubber block is fixed at the bottom of the threaded hole of the connecting drill rod.

Preferably, a reinforcing rod is fixed to the bottom of the first connecting disc, and the end of the reinforcing rod is fixed to the outer surface of the drill bit body.

Preferably, a reinforcing ring is arranged at the joint of the first connecting disc and the drill bit body, a countersunk groove is formed in the top of the second connecting disc, and the head of the connecting bolt is located in the countersunk groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1: the utility model discloses well first connection pad passes through connecting bolt with the second connection pad and is connected, it can consolidate the drill bit body and is connected the steadiness between the drilling rod, and at first spring, the effect of second spring is down for the power of an opposite direction of first connection pad and second connection pad, thereby make the joint threaded rod of drill bit body its two screw threads support tightly mutually when the screw thread cup joints in the screw hole of connecting the drilling rod, thereby avoid producing the clearance between its drill bit body and the connecting drill rod because of the high-speed rotation of drill bit causes the screw thread, thereby avoid taking place to rock between its drill bit body and the connecting drill rod and take place the disconnected pole phenomenon of drill bit.

2: the utility model discloses well slider slidable mounting can provide the direction for the fixed plate when reciprocating in the spout, has improved its operating stability, uses through the cooperation of stiffener and drill bit body, can make and be connected more firmly between first flange and the drill bit body.

Drawings

Fig. 1 is a schematic structural diagram of an oil and gas drilling bit according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the connection between the connection rod and the second connection pad of the oil and gas drilling bit of the present invention;

fig. 4 is the utility model provides a structural schematic of the fixed plate of oil and gas well drilling drill bit.

In the figure: 1. a drill bit body; 2. a reinforcing bar; 3. connecting a drill rod; 4. a chute; 5. a slider; 6. a first spring; 7. a fixing plate; 8. a rubber block; 9. a rubber ring; 10. reinforcing rings; 11. a first splice tray; 12. a second spring; 13. a connecting bolt; 14. and a second connecting disc.

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.

Example 1

Referring to fig. 1-4, an oil and gas drilling bit comprises a bit body 1 and a connection drill rod 3 in threaded connection with the bit body 1, a first connecting disc 11 is sleeved on the outer surface of the bit body 1, a second connecting disc 14 is sleeved on the outer surface of the connection drill rod 3, through holes are formed in the first connecting disc 11 and the second connecting disc 14, the first connecting disc 11 and the second connecting disc 14 are connected through a connecting bolt 13, a second spring 12 is arranged between the first connecting disc 11 and the second connecting disc 14, the connecting bolt 13 is located in the second spring 12, a joint threaded rod of the bit body 1 is sleeved in the connection drill rod 3 in a threaded hole of the connection drill rod 3 in a threaded manner, a fixing plate 7 is arranged in the bottom of the threaded hole of the connection drill rod 3 in a threaded manner, and the fixing plate 7 is located above the joint threaded rod of the bit body 1 through a first spring 6. Under the connection state of the drill bit body 1 and the connection drill rod 3, the first connection disc 11 is connected with the second connection disc 14 through the connection bolt 13, the connection stability between the drill bit body 1 and the connection drill rod 3 can be strengthened, and the force in the opposite direction of the first connection disc 11 and the second connection disc 14 is given under the action of the first spring 6 and the second spring 12, so that two thread teeth of the joint threaded rod of the drill bit body 1 are mutually abutted when the joint threaded rod is in threaded sleeve connection with the threaded hole of the connection drill rod 3, a gap between the thread teeth caused by high-speed rotation of the drill bit between the drill bit body 1 and the connection drill rod 3 is avoided, and the phenomenon that the drill bit is broken due to shaking between the drill bit body 1 and the connection drill rod 3 is avoided.

Example 2

Referring to fig. 1 to 4, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: the side of fixed plate 7 is fixed with slider 5, spout 4 has been seted up to the screw hole inner wall of connecting drilling rod 3, spout 4 is located the thread groove top in the screw hole, slider 5 slidable mounting is in spout 4, the bottom of connecting drilling rod 3 is seted up with screw hole matched with recess, the recess is linked together with the screw hole and the top of drill bit body 1 is located the recess, be provided with rubber ring 9 between recess and the drill bit body 1, the top of fixed plate 7 is provided with rubber block 8, rubber block 8 is fixed at the screw hole bottom of connecting drilling rod 3, the bottom of first connection pad 11 is fixed with stiffener 2, the end fixing of stiffener 2 is at the surface of drill bit body 1, the department of meeting of first connection pad 11 and drill bit body 1 is provided with reinforcing ring 10, countersunk head groove and connecting bolt 13's head is located the countersunk head inslot is seted up at the top of second connection pad 14. Slider 5 slidable mounting can provide the direction for fixed plate 7 when reciprocating in spout 4, has improved its operating stability, uses through the cooperation of stiffener 2 and drill bit body 1, can make and be connected more firm between first flange 11 and the drill bit body 1, and the leakproofness behind the multiplicable drill bit body 1 of rubber circle and the connection drilling rod 3 are connected.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An oil and gas drilling bit comprises a bit body (1) and a connecting drill rod (3) in threaded connection with the bit body (1), and is characterized in that a first connecting disc (11) is fixedly sleeved on the outer surface of the bit body (1), a second connecting disc (14) is fixedly sleeved on the outer surface of the connecting drill rod (3), through holes are formed in the first connecting disc (11) and the second connecting disc (14), the first connecting disc (11) and the second connecting disc (14) are connected through a connecting bolt (13), a second spring (12) is arranged between the first connecting disc (11) and the second connecting disc (14), the connecting bolt (13) is located in the second spring (12), a joint threaded rod of the bit body (1) is in threaded sleeve connection with the connecting drill rod (3) and a fixing plate (7) is arranged in a threaded hole of the connecting drill rod (3), the top of the fixing plate (7) is fixed at the bottom of a threaded hole of the connecting drill rod (3) through a first spring (6), and the fixing plate (7) is located above a joint threaded rod of the drill bit body (1).

2. The oil and gas drilling bit as claimed in claim 1, characterized in that a sliding block (5) is fixed on the side surface of the fixing plate (7), a sliding groove (4) is formed on the inner wall of the threaded hole of the connecting drill rod (3), the sliding groove (4) is positioned above the threaded groove in the threaded hole, and the sliding block (5) is slidably mounted in the sliding groove (4).

3. The oil and gas drilling bit as claimed in claim 1, characterized in that the bottom of the connecting drill rod (3) is provided with a groove matched with the threaded hole, the groove is communicated with the threaded hole, the top end of the bit body (1) is positioned in the groove, and a rubber ring (9) is arranged between the groove and the bit body (1).

4. An oil and gas drilling bit as claimed in claim 1, characterized in that the top of the fixing plate (7) is provided with a rubber block (8), and the rubber block (8) is fixed at the bottom of the threaded hole of the connecting drill rod (3).

5. An oil and gas drilling bit according to claim 1, characterized in that a reinforcing rod (2) is fixed to the bottom of the first connecting disc (11), and the end of the reinforcing rod (2) is fixed to the outer surface of the bit body (1).

6. The oil and gas drilling bit as claimed in claim 1, characterized in that a reinforcing ring (10) is arranged at the joint of the first connecting disc (11) and the bit body (1), a countersunk groove is formed at the top of the second connecting disc (14), and the head of the connecting bolt (13) is positioned in the countersunk groove.