CN217897795U

CN217897795U - Mud anti-splash device for petroleum drilling

Info

Publication number: CN217897795U
Application number: CN202222465574.9U
Authority: CN
Inventors: 陶杉; 蒋玉明; 李鹏; 卢云; 赵建
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2022-11-25
Anticipated expiration: 2032-09-15

Abstract

The utility model relates to an oil drilling technical field to a mud splashproof device for oil drilling is disclosed, including lower valve body and last valve body, the inside fixedly connected with disk seat of valve body and last valve body down, the valve body is equipped with the valve rod with the inside of last valve body down, the bottom fixed connection of valve rod has the valve clack, upward seted up the slot on the valve body, upward be provided with the joint subassembly on the valve body, the joint subassembly includes two openings, two fixture blocks and two draw-in grooves, two the opening is all seted up on last valve body, and two openings all communicate each other with the slot, two the fixture block slides respectively and assembles in two openings, two the draw-in groove is all seted up on the valve rod, two the fixture block difference joint is in two draw-in grooves. The utility model provides a splashproof valve has replaced traditional splashproof valve structure, conveniently changes the valve clack when the valve clack loss, prolongs the life of splashproof valve, has improved the practicality of splashproof valve.

Description

Mud anti-splash device for petroleum drilling

Technical Field

The utility model relates to an oil drilling technical field especially relates to a mud anti-splash device for oil drilling.

Background

Oil drilling refers to finding an oil storage block through exploration, and means that a cylindrical hole with a certain diameter is drilled downwards or on one side at a pre-selected surface position by using special equipment and technology, and the work of drilling an underground oil and gas reservoir is achieved.

In petroleum, natural gas and other drilling and well repairing operations, in order to prevent when connecting a single, the mud in the kelly bar and its upper pipe column is sprayed on the drill floor, the environment is polluted, the operation is influenced, the waste is caused, and the potential safety hazard is increased, but the splash-proof valve is installed at the lower part of the plug valve under the kelly bar or the kelly bar, most of the currently used splash-proof valves have complicated structure, poor manufacturability, unreasonable valve core structure, fast mud flow rate and serious erosion, high processing and using cost, unreliable sealing performance of the hard sealing structure under low pressure, large resistance when in clamping, influence normal drilling operation, high failure rate, low reliability, short service life, and threaten the safety of related personnel and facilities;

chinese utility model patent publication No. CN 208137887U: mud splashproof valve for oil drilling, the casing is the pipe form, support whole case on the second step of hole, the case body is lower extreme open-ended tubbiness, it has four steps to process in proper order from upwards down in the bucket, the disk seat is being installed in laminating on the ascending bucket wall of first step, above-mentioned technical scheme has simplified processing and mounting process, product cost has been reduced, however, above-mentioned technical scheme is when in-service use, the case can produce wearing and tearing for a long time use, the phenomenon of revealing appears in the valve body then, and be not convenient for change the case, the practicality of valve body has been restricted.

Therefore, it is necessary to design a mud saver for petroleum drilling to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mud anti-splash device for petroleum drilling.

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

the mud splash-proof device for the petroleum drilling comprises a lower valve body and an upper valve body, wherein a valve seat is fixedly connected with the inside of the lower valve body and the inside of the upper valve body, a valve rod is assembled inside the lower valve body and the inside of the upper valve body, a valve clack is fixedly connected to the bottom end of the valve rod, a slot is formed in the upper valve body, and a clamping assembly is arranged on the upper valve body.

As a preferred technical solution of the present invention, the clamping assembly includes two openings, two clamping blocks and two clamping grooves, the two openings are both formed on the upper valve body, and the two openings are both communicated with the slots, the two clamping blocks are respectively assembled in the two openings in a sliding manner, the two clamping grooves are both formed on the valve rod, and the two clamping blocks are respectively clamped in the two clamping grooves;

and the two clamping blocks are assembled on the upper valve body through the driving assembly.

As a preferred technical scheme of the utility model, drive assembly includes threaded rod, two guide bars, two limiting plates, movable plate and two connecting rods, the threaded rod rotates the assembly in the inner face of last valve body, two the equal fixed connection of one end of guide bar is in the inner face of last valve body, two the other end of limiting plate difference fixed connection at two guide bars, the movable plate screw thread cup joints on the threaded rod, two the equal fixed connection of one end of connecting rod is in the side of movable plate, two the equal fixed connection of the other end of connecting rod is in the side of fixture block.

As an optimal technical scheme of the utility model, laminate each other between the side of fixture block and the inner face of draw-in groove.

As an optimal technical scheme of the utility model, laminate each other between the outer fringe of valve rod and the inner face of slot.

As an optimized technical scheme of the utility model, fixed cover is equipped with hexagon nut on the threaded rod.

The utility model discloses a set up joint subassembly and drive assembly, the usable joint subassembly of staff carries out dismouting and change to the valve rod with drive assembly, has replaced traditional splashproof valve structure, and the convenience is changed the valve clack when the valve clack loss, prolongs the life of splashproof valve, has improved the practicality of splashproof valve.

Drawings

Fig. 1 is a schematic structural view of a mud splash guard for oil drilling according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a mud splash guard for oil drilling according to the present invention;

fig. 3 is the utility model provides a mud anti-splash device for oil drilling's a structure enlargedly.

In the figure: the valve comprises a lower valve body 10, an upper valve body 20, a valve seat 30, a valve clack 40, a valve rod 50, a slot 60, a clamping assembly 70, an opening 701, a clamping block 702, a clamping groove 703, a driving assembly 80, a threaded rod 801, a guide rod 802, a limiting plate 803, a moving plate 804 and a connecting rod 805.

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.

Referring to fig. 1-3, a mud anti-splash device for petroleum drilling comprises a lower valve body 10 and an upper valve body 20, wherein a valve seat 30 is fixedly connected inside the lower valve body 10 and the upper valve body 20, a valve rod 50 is assembled inside the lower valve body 10 and the upper valve body 20, a valve flap 40 is fixedly connected to the bottom end of the valve rod 50, a slot 60 is formed in the upper valve body 20, and a clamping assembly 70 is arranged on the upper valve body 20.

Referring to fig. 3, the clamping assembly 70 includes two openings 701, two clamping blocks 702 and two clamping grooves 703, the two openings 701 are both formed on the upper valve body 20, the two openings 701 are both communicated with the insertion groove 60, the two clamping blocks 702 are respectively assembled in the two openings 701 in a sliding manner, the two clamping grooves 703 are both formed on the valve rod 50, the two clamping blocks 702 are respectively clamped in the two clamping grooves 703, and the valve rod 50 and the valve flap 40 can be conveniently disassembled, assembled and replaced by arranging the clamping assembly 70;

both of the cartridges 702 are assembled to the upper valve body 20 through the driving assembly 80.

Referring to fig. 3, the driving assembly 80 includes a threaded rod 801, two guide rods 802, two limit plates 803, a moving plate 804 and two connecting rods 805, the threaded rod 801 is rotatably assembled on the inner surface of the upper valve body 20, one ends of the two guide rods 802 are fixedly connected to the inner surface of the upper valve body 20, the two limit plates 803 are fixedly connected to the other ends of the two guide rods 802 respectively, the moving plate 804 is sleeved on the threaded rod 801 in a threaded manner, one ends of the two connecting rods 805 are fixedly connected to the side surface of the moving plate 804, the other ends of the two connecting rods 805 are fixedly connected to the side surface of the fixture block 702, and by providing the driving assembly 80, a worker can conveniently control the position of the fixture block 702.

Referring to fig. 3, the side surface of the latch 702 and the inner surface of the latch groove 703 are attached to each other, so that the fixing effect of the latch 702 and the latch groove 703 on the valve rod 50 and the upper valve body 20 can be ensured.

Referring to fig. 3, the outer edge of the valve stem 50 and the inner surface of the insertion groove 60 are attached to each other, so that the stability of the valve stem 50 in the insertion groove 60 can be ensured.

Referring to fig. 3, a hexagonal nut is fixedly sleeved on the threaded rod 801, so that the threaded rod 801 can be rotated by a worker conveniently.

The utility model discloses a concrete theory of operation as follows:

the utility model provides a splashproof valve is when in actual use, when needing to change valve clack 40, the staff at first uses the spanner to rotate hexagon nut, make threaded rod 801 take place to rotate, under the limiting displacement of two guide bars 802, threaded rod 801 can drive movable plate 804 when rotating and take place to remove, can drive fixture block 702 through two connecting rods 805 again when movable plate 804 removes and take place to remove, make fixture block 702 break away from in the draw-in groove 703, break away from the back when two fixture block 702 follow two draw-in grooves 703 completely, the staff can follow and extract valve rod 50 in the slot 60, can accomplish the dismantlement to valve rod 50, when installing new valve rod 50, the staff can insert in the slot 60 new valve rod 50, and two hexagon nuts of reverse rotation, make two fixture block 702 blocks go into in two draw-in grooves 703, can accomplish the installation to valve rod 50.

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. The mud anti-splash device for the petroleum drilling comprises a lower valve body (10) and an upper valve body (20), wherein a valve seat (30) is fixedly connected with the interior of the lower valve body (10) and the interior of the upper valve body (20), a valve rod (50) is assembled inside the lower valve body (10) and the interior of the upper valve body (20), and a valve clack (40) is fixedly connected to the bottom end of the valve rod (50).

2. The mud splash guard for petroleum drilling is characterized in that the clamping assembly (70) comprises two openings (701), two clamping blocks (702) and two clamping grooves (703), wherein the two openings (701) are formed in the upper valve body (20), the two openings (701) are communicated with the slot (60), the two clamping blocks (702) are respectively and slidably assembled in the two openings (701), the two clamping grooves (703) are formed in the valve rod (50), and the two clamping blocks (702) are respectively clamped in the two clamping grooves (703);

the two clamping blocks (702) are assembled on the upper valve body (20) through the driving assembly (80).

3. The mud anti-splash device for petroleum drilling is characterized in that the driving assembly (80) comprises a threaded rod (801), two guide rods (802), two limiting plates (803), a moving plate (804) and two connecting rods (805), the threaded rod (801) is rotatably assembled on the inner face of the upper valve body (20), one ends of the two guide rods (802) are fixedly connected to the inner face of the upper valve body (20), the two limiting plates (803) are fixedly connected to the other ends of the two guide rods (802), the moving plate (804) is in threaded sleeve connection with the threaded rod (801), one ends of the two connecting rods (805) are fixedly connected to the side face of the moving plate (804), and the other ends of the two connecting rods (805) are fixedly connected to the side face of the clamping block (702).

4. The mud splash guard for petroleum drilling as claimed in claim 2, wherein the side surface of the fixture block (702) and the inner surface of the fixture groove (703) are attached to each other.

5. The mud saver of claim 1, wherein the outer edge of the valve stem (50) and the inner surface of the socket (60) are in contact with each other.

6. The mud saver for oil drilling according to claim 3, wherein a hexagonal nut is fixedly sleeved on the threaded rod (801).