CN209780779U

CN209780779U - Novel high leakproofness oil field becomes knot and connects

Info

Publication number: CN209780779U
Application number: CN201920277030.5U
Authority: CN
Inventors: 顾立杰
Original assignee: Tianjin Pacific Petroleum Equipment Technology Co Ltd
Current assignee: Tianjin Pacific Petroleum Equipment Technology Co Ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2019-12-13
Anticipated expiration: 2029-03-05

Abstract

The utility model discloses a novel high-sealing property oil field buckle changer which comprises a buckle changer shell, a lower joint pipe, an upper joint pipe and a sealing device, the novel high-tightness oil field buckle changing joint is provided with a sealing device to solve the problem that the oil leakage phenomenon occurs in the use process due to the poor tightness when the oil field buckle changing joint is used, when an oil pipe is inserted into the inner side of the clamping blocks, the rotating ring is rotated to drive the first lug to rotate, the first lug extrudes the second lug, the second lug drives the clamping blocks to drive the clamping blocks to transmit towards the inner side of the rotating ring, so that the sealing ring at the upper end of the clamping blocks is tightly attached to the side plate of the oil pipe, and meanwhile, the clamping blocks press the telescopic plate to contract, so that the distance between two adjacent clamping blocks is reduced, the oil pipe is clamped, so that the sealing performance of the oil field buckle adapter in use is improved, and the oil leakage phenomenon cannot occur in the use process.

Description

Novel high leakproofness oil field becomes knot and connects

Technical Field

The utility model relates to a become lock joint technical field, concretely relates to novel high leakproofness oil field becomes lock joint.

Background

The oil well is a hole drilled by a well drilling method, after an oil layer is drilled, an oil layer casing pipe is put into the oil layer casing pipe, oil well cement is injected into an annular space between the casing pipe and the well wall to maintain the well wall and seal an oil layer, a gas layer and a water layer, then the oil layer is jetted by a perforating gun according to the requirements of oil field development to form a channel, an oil pipe is put into the oil layer, and the oil is lifted to a well head from the bottom of the oil well by using a proper flow inducing method.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, present a novel high leakproofness oil field change buckle joint, it is relatively poor to solve current oil field change buckle joint when using, lead to appearing the oil leak phenomenon in the use, and unable fixed stable to the joint, lead to connecting the problem that the vibrations dropped, reach increase oil field change buckle joint leakproofness when using, oil leak phenomenon can not appear in the messenger use, and can stabilize fixed to the joint, make the advantage that joint transmission is steady.

(II) technical scheme

the utility model discloses a following technical scheme realizes: the utility model provides a novel high-sealing oil field buckle changer, which comprises a buckle changer shell, a lower joint pipe, an upper joint pipe and a sealing device, wherein the bottom of the buckle changer shell is provided with the lower joint pipe, the upper joint pipe is fixedly connected with the top of the buckle changer shell, the top of the buckle changer shell and the bottom of the upper joint pipe are provided with the sealing device, the sealing device comprises a rotating ring, a first lug, a clamping block, a second lug, a sealing ring, an expansion plate, a guide rail and a damping device, the rotating ring is arranged at the top of the buckle changer shell and the bottom of the upper joint pipe, the first lug is positioned at the right rear end inside the rotating ring, the first lug is fixedly connected with the right rear end inside the rotating ring, the clamping block is arranged inside the rotating ring, the second lug is fixedly connected with the middle part of the rear end of the clamping block, the sealing ring is fixedly connected with the front end of the clamping block, the clamping block right-hand member is provided with the expansion plate, the guide rail is located the inside right rear end of rotating ring to guide rail and the inside right rear end of rotating ring carry out fixed connection, damping device carries out sliding connection with the guide rail left side front end, damping device carries out fixed connection with the expansion plate rear end.

furthermore, damping device includes connecting rod, clamp plate, guide pillar, spring and installing frame, sliding connection is carried out with the guide rail left side front end to the installing frame, fixed connection is carried out with the expansion plate rear end to the connecting rod, fixed connection is carried out with connecting rod lower extreme and guide pillar upper end to the clamp plate, sliding connection is carried out with the installing frame inside wall to the clamp plate, fixed connection is carried out with the inside lower extreme of installing frame to the guide pillar, the guide pillar upper end is provided with the spring, does benefit to and plays stably fixed the joint, makes the steady effect of joint transmission.

Furthermore, the mounting frame is in a cylindrical shape with an opening at the upper end, and the inner radius of the mounting frame is larger than that of the pressing plate, so that the effect that the pressing plate slides on the inner side of the mounting frame is facilitated.

Furthermore, the rotating ring surface is provided with bar antiskid line to antiskid line is along rotating ring surface evenly distributed, does benefit to the operator rotating, and plays anti-skidding effect.

Furthermore, the clamp splice is provided with four altogether to the clamp splice is connected through the expansion plate along the inside four corners evenly distributed of swivel becket and two adjacent clamp splices, does benefit to and plays the effect of fixing the oilfield tubular.

Further, lower joint pipe and upper joint pipe upper end all are provided with the screw thread to the screw thread all follows lower joint pipe and upper joint pipe upper end surface evenly distributed, do benefit to and play the effect of carrying out fixed connection to the oilfield tubular.

furthermore, damping device is provided with four altogether to damping device follows the inside four corners evenly distributed of swivel becket, does benefit to and plays the effect of carrying out the shock attenuation to the change discount joint.

Furthermore, the spring is made of spring steel materials, and the elastic potential energy is excellent.

Furthermore, the guide post is made of a carbonized steel material, so that the hardness is high, and the corrosion resistance is strong.

(III) advantageous effects

Compared with the prior art, the utility model, have following advantage:

1) The sealing performance is relatively poor when solving oil field change lock joint and using, lead to the problem that the oil leak phenomenon appears in the use, through being provided with sealing device, after oil pipe pegs graft and enters into the clamp splice inboard, through rotating the swivel becket, make the swivel becket drive first lug and rotate, first lug extrusion second lug, make the second lug drive the clamp splice and transmit to the swivel becket inboard, make clamp splice upper end sealing washer and oil pipe curb plate closely laminate, the clamp splice is pressed and is moved the expansion plate and is shrunk simultaneously, make the interval between the two adjacent clamp splices reduce, press from both sides tightly oil pipe, the sealing performance when having reached increase oil field change lock joint and using, the advantage of oil leak phenomenon can not appear in the messenger's use.

2) The problem that leads to connecting the vibrations and drop is stabilized fixed for solving unable butt joint, through being provided with damping device, when oil pipe upper end produced the vibrations power, vibrations power transmission to connecting rod upper end makes the connecting rod drive the clamp plate and slides to the installing frame inboard, makes the clamp plate press and moves the spring that leads to the upper end, makes the spring produce deformation and contracts, absorbs the vibrations power, has reached and can stabilize fixedly to the butt joint, makes the steady advantage of joint transmission.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the sealing device of the present invention;

FIG. 3 is a schematic view of the internal structure of the damping device of the present invention;

Fig. 4 is a schematic diagram of a partially enlarged structure a of the present invention.

In the figure: the device comprises a variable buckle joint shell-1, a lower joint pipe-2, an upper joint pipe-3, a sealing device-4, a rotating ring-401, a first bump-402, a clamping block-403, a second bump-404, a sealing ring-405, a telescopic plate-406, a guide rail-407, a damping device-408, a connecting rod-4081, a pressure plate-4082, a guide pillar-4083, a spring-4084 and an installation frame-4085.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a novel high-sealing oil field buckle connector: the connecting device comprises a buckle change joint shell 1, a lower joint pipe 2, an upper joint pipe 3 and a sealing device 4, wherein the lower joint pipe 2 is arranged at the bottom of the buckle change joint shell 1, the upper joint pipe 3 is fixedly connected with the top of the buckle change joint shell 1, the sealing device 4 is arranged at the top of the buckle change joint shell 1 and the bottom of the upper joint pipe 3, the sealing device 4 comprises a rotating ring 401, a first lug 402, a clamping block 403, a second lug 404, a sealing ring 405, an expansion plate 406, a guide rail 407 and a damping device 408, the rotating ring 401 is arranged at the top of the buckle change joint shell 1 and the bottom of the upper joint pipe 3, the first lug 402 is positioned at the right rear end inside the rotating ring 401 and fixedly connected with the right rear end inside the rotating ring 401, the clamping block 403 is arranged inside the rotating ring 401, the second lug 404 is fixedly connected with the middle part of the rear end of the clamping block 403, and the sealing ring 405 is fixedly connected with, clamping block 403 right end is provided with expansion plate 406, and guide rail 407 is located the inside right rear end of swivel 401 to guide rail 407 and the inside right rear end of swivel 401 carry out fixed connection, and damping device 408 carries out sliding connection with guide rail 407 left front end, and damping device 408 carries out fixed connection with expansion plate 406 rear end.

The damping device 408 comprises a connecting rod 4081, a pressure plate 4082, a guide pillar 4083, a spring 4084 and an installation frame 4085, the installation frame 4085 is in sliding connection with the left front end of the guide rail 407, the connecting rod 4081 is fixedly connected with the rear end of the telescopic plate 406, the pressure plate 4082 is fixedly connected with the lower end of the connecting rod 4081 and the upper end of the guide pillar 4083, the pressure plate 4082 is in sliding connection with the inner side wall of the installation frame 4085, the guide pillar 4083 is fixedly connected with the inner lower end of the installation frame 4085, and the upper end of the guide pillar 4083 is provided with the spring 4084, so that the connector is favorably and stably fixed, and the connector is stably transmitted.

The mounting frame 4085 is cylindrical with an opening at the upper end, and the inner radius of the mounting frame 4085 is larger than the radius of the pressure plate 4082, so that the pressure plate 4083 slides on the inner side of the mounting frame 4085.

Wherein, the swivel collar 401 surface is provided with bar antiskid line to antiskid line is along swivel collar 401 surface evenly distributed, does benefit to the operator rotating, and plays anti-skidding effect.

The number of the clamping blocks 403 is four, the clamping blocks 403 are uniformly distributed along four inner corners of the rotating ring 401, and two adjacent clamping blocks 403 are connected through the telescopic plate 406, so that the effect of fixing the oilfield tubulars is facilitated.

Wherein, lower clutch pipe 2 and 3 upper ends of last clutch pipe all are provided with the screw thread to the screw thread all follows lower clutch pipe 2 and 3 upper end surface evenly distributed of last clutch pipe, do benefit to and play the effect of carrying out fixed connection to the oilfield tubular.

The number of the damping devices 408 is four, and the damping devices 408 are uniformly distributed along four inner corners of the rotating ring 401, so that the effect of damping the buckle changing connector is facilitated.

Wherein, the spring 4084 is spring steel material, and elastic potential energy is good.

The guide post 4083 is made of a carbonized steel material, and has high hardness and strong corrosion resistance.

The spring 4084 described in this patent is a mechanical part that works by using elasticity, and a part made of an elastic material deforms under the action of an external force and recovers to the original shape after the external force is removed, and is also a "spring", which is generally made of spring steel, and the spring is complex and various in types, and mainly includes a coil spring, a spiral spring, a plate spring, a special-shaped spring, and the like according to the shape; the seal ring 405 is an NBR nitrile rubber seal ring, is suitable for being used in petroleum hydraulic oil, glycol hydraulic oil, diester lubricating oil, gasoline, water, silicon lubricating grease, silicon oil and other media, and is a rubber seal element with the widest application and the lowest cost at present.

The working principle is as follows: before the oil field buckle changing joint is used, firstly, dust at the upper end of the high-sealing oil field buckle changing joint is cleaned, so that the high-sealing oil field buckle changing joint is kept in a clean state; when in use, the two oil pipes are respectively screwed through the threads at the upper ends of the lower joint pipe 2 and the upper joint pipe 3, and after the oil pipe at the upper end of the upper joint pipe 3 is inserted into the inner side of the clamping block 403, the rotating ring 401 is rotated to drive the first lug 402 to rotate, the first lug 402 extrudes the second lug 404, the second lug 404 drives the clamping block 403 to transmit towards the inner side of the rotating ring 401, so that the sealing ring 405 at the upper end of the clamping block 403 is tightly attached to the side plate of the oil pipe, at the same time, the clamping blocks 403 press the telescopic plate 406 to contract, so that the distance between two adjacent clamping blocks 403 is reduced, the oil pipe is clamped, the sealing performance of the oil field buckle change joint in use is improved, the oil leakage phenomenon cannot occur in the use process, meanwhile, the damping device 408 slides inside the rotating ring 401 through a guide rail 407, so that the damping device 408 is always kept at the top of the telescopic plate 406; when oil pipe upper end produced the vibrations power, vibrations power transmission to connecting rod 4081 upper end, makes connecting rod 4081 drive clamp plate 4082 and slides to the installing frame 4085 inboard, makes clamp plate 4082 press to move and lead to the spring 4084 of 4083 upper end, makes spring 4084 produce deformation and contracts, absorbs vibrations power, has reached and has stablely fixed the joint, makes the joint transmission steady.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. the utility model provides a novel high leakproofness oil field becomes buckle joint, includes and becomes buckle joint shell (1), lower coupling pipe (2) and top connection pipe (3), its characterized in that: the connecting device is characterized by further comprising a sealing device (4), a lower connector pipe (2) is arranged at the bottom of the buckle changing connector shell (1), the upper connector pipe (3) is fixedly connected with the top of the buckle changing connector shell (1), the sealing device (4) is arranged at the top of the buckle changing connector shell (1) and the bottom of the upper connector pipe (3), the sealing device (4) comprises a rotating ring (401), a first lug (402), a clamping block (403), a second lug (404), a sealing ring (405), a telescopic plate (406), a guide rail (407) and a damping device (408), the rotating ring (401) is arranged at the top of the buckle changing connector shell (1) and the bottom of the upper connector pipe (3), the first lug (402) is located at the right rear end inside the rotating ring (401), the first lug (402) is fixedly connected with the right rear end inside the rotating ring (401), and the clamping block (403) is arranged inside the rotating ring (401), second lug (404) and clamp splice (403) rear end middle part carry out fixed connection, sealing washer (405) and clamp splice (403) front end carry out fixed connection, clamp splice (403) right-hand member is provided with expansion plate (406), guide rail (407) are located swivel becket (401) inside right rear end to guide rail (407) and swivel becket (401) inside right rear end carry out fixed connection, damping device (408) carry out sliding connection with guide rail (407) left front end, damping device (408) carry out fixed connection with expansion plate (406) rear end.

2. The novel high-tightness oilfield buckle connector according to claim 1, characterized in that: damping device (408) includes connecting rod (4081), clamp plate (4082), guide pillar (4083), spring (4084) and installing frame (4085), installing frame (4085) and guide rail (407) left front end carry out sliding connection, connecting rod (4081) and expansion plate (406) rear end carry out fixed connection, clamp plate (4082) and connecting rod (4081) lower extreme and guide pillar (4083) upper end carry out fixed connection, clamp plate (4082) and installing frame (4085) inside wall carry out sliding connection, guide pillar (4083) and installing frame (4085) inside lower extreme carry out fixed connection, guide pillar (4083) upper end is provided with spring (4084).

3. The novel high-tightness oilfield buckling joint as claimed in claim 2, wherein: the mounting frame (4085) is cylindrical with an opening at the upper end, and the inner radius of the mounting frame (4085) is larger than that of the pressure plate (4082).

4. The novel high-tightness oilfield buckle connector according to claim 1, characterized in that: the outer surface of the rotating ring (401) is provided with strip-shaped anti-slip grains which are uniformly distributed along the outer surface of the rotating ring (401).

5. The novel high-tightness oilfield buckle connector according to claim 1, characterized in that: the number of the clamping blocks (403) is four, the clamping blocks (403) are uniformly distributed along four inner corners of the rotating ring (401), and two adjacent clamping blocks (403) are connected through the telescopic plate (406).

6. The novel high-tightness oilfield buckle connector according to claim 1, characterized in that: the upper ends of the lower joint pipe (2) and the upper joint pipe (3) are provided with threads, and the threads are uniformly distributed along the outer surfaces of the upper ends of the lower joint pipe (2) and the upper joint pipe (3).

7. The novel high-tightness oilfield buckle connector according to claim 1, characterized in that: the number of the damping devices (408) is four, and the damping devices (408) are uniformly distributed along four inner corners of the rotating ring (401).