CN210738490U

CN210738490U - Continuous sucker rod coupling

Info

Publication number: CN210738490U
Application number: CN201921680057.5U
Authority: CN
Inventors: 蔡玉龙
Original assignee: Yangzhou Tianyuan Petroleum Machinery Co Ltd
Current assignee: Yangzhou Tianyuan Petroleum Machinery Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-12
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a continuous type sucker rod coupling, including body, cavity, additional strengthening and notch, be provided with the drag reduction coating on the lateral wall of body, the internally mounted of body has the reinforcing steel, the inside of body is provided with the notch, and the inside of notch is provided with the external screw thread, be fixed with the abrasionproof and decrease granule on the lateral wall of external screw thread. The utility model discloses a be provided with equidistant distribution's guiding gutter on the lateral wall of body, the setting up of guiding gutter makes the device reduce the contact surface when the transportation transmission, thereby the resistance and the frictional force of the body that reduce, it is more convenient to make the device when using, the operation is simpler, be provided with the abrasionproof and decrease granule on the lateral wall of the outside screw thread of the inside setting of notch, make the body reduce the frictional force to the inside of notch to the connection in-process of two beam-pumping poles, the degree of wear to the inside of notch has been reduced, it is more durable to make the body.

Description

Continuous sucker rod coupling

Technical Field

The utility model relates to a technical field is connected to the sucker rod, specifically is continuous type sucker rod coupling.

Background

The coupling is a connecting piece that is used for being connected its fixed usefulness between two sucker rods, guarantees the normal clear of pumping, and the inside of coupling is provided with the screw thread, can guarantee the built-up connection to the sucker rod of different diameters, needs a practical efficient coupling according to the operation requirement, but current continuous type sucker rod coupling has many problems or defects:

firstly, the internal strength of the traditional continuous sucker rod coupling is not large enough, the whole structure is not stable enough, and the safety is not high;

secondly, the traditional continuous sucker rod coupling is subjected to larger resistance when in use, and the normal use of the device can be influenced by the friction force;

thirdly, the traditional continuous sucker rod coupling has poor sealing performance, so that the coupling has poor durability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a continuous type sucker rod coupling to the temple intensity that proposes in solving above-mentioned background art is big enough, easily receives great resistance and the poor problem of sealing performance.

In order to achieve the above object, the utility model provides a following technical scheme: continuous type sucker rod coupling, including body, cavity, additional strengthening and notch, be provided with the drag reduction coating on the lateral wall of body, the internally mounted of body has the reinforcing steel, the inside of body is provided with the notch, and the inside of notch is provided with the external screw thread, be fixed with the abrasionproof and decrease the granule on the lateral wall of external screw thread, the internally mounted of body has the cavity, and the inside of cavity is fixed with additional strengthening, the inside of cavity is provided with the reinforcing granule, it gets the piece to be provided with the clamp on the lateral wall of body.

Preferably, the outer side wall of the pipe body is provided with guide grooves, and the guide grooves are distributed on the outer side wall of the pipe body at equal intervals.

Preferably, the outer side wall of the clamping block is provided with anti-skid grains, and the anti-skid grains are arranged at equal intervals on the outer side wall of the clamping block.

Preferably, the filling particles are arranged inside the cavity and are uniformly distributed inside the cavity.

Preferably, additional strengthening from the top down has set gradually first stationary blade, first strengthening rib, second strengthening rib, protective coating and second stationary blade, first strengthening rib is installed to the bottom of first stationary blade, and the second strengthening rib is installed to one side of first strengthening rib, be provided with protective coating on the lateral wall of second strengthening rib.

Preferably, the bottom end of the second reinforcing rib is fixed with a second fixing piece, and the reinforcing structures are distributed at equal intervals in the notches.

Preferably, first sealing washer is installed to one side of notch, and is provided with the rubber layer on the lateral wall of first sealing washer, the opposite side of notch is fixed with the second sealing washer, first sealing washer and second sealing washer are the symmetric distribution.

Compared with the prior art, the beneficial effects of the utility model are that: this continuous type sucker rod coupling is rational in infrastructure, has following advantage:

(1) the cavity is arranged in the pipe body, the reinforcing structure is arranged in the cavity, the first reinforcing rib and the second reinforcing rib in the reinforcing structure are combined into one and are connected together, so that the internal strength of the pipe body is higher, the protective coating is arranged on the outer side walls of the first reinforcing rib and the second reinforcing rib to protect the surface layers of the first reinforcing rib and the second reinforcing rib, the service life is prolonged, the first reinforcing rib and the second reinforcing rib are fixed in the cavity through the first fixing piece and the second fixing piece, the internal strength of the pipe body is higher due to the arrangement of the reinforcing structure, the bearing capacity and the resistance capacity of the pipe body are better, filling particles and reinforcing particles are further arranged in the cavity, the filling structural strength in the cavity is firmer, the internal strength of the device is higher due to the arrangement of the reinforcing structure, the filling particles and the reinforcing particles, and the service life of the device is;

(2) the guide grooves which are distributed at equal intervals are arranged on the outer side wall of the pipe body, so that the contact surface of the device is reduced during transportation and transmission, the resistance and the friction force of the pipe body are reduced, the device is more convenient to use, the operation is simpler, anti-abrasion particles are arranged on the outer side wall of the external thread arranged inside the notch, the friction force to the inside of the notch is reduced in the connection process of the pipe body to two sucker rods, the abrasion degree to the inside of the notch is reduced, and the pipe body is more durable;

(3) through being provided with first sealing washer and second sealing washer respectively in the both sides of notch, play sealed leak protection effect in the body is to the connection process of sucker rod, the normal use of guarantee body makes better to the connection effect of sucker rod, has avoided long-term use sealed out-of-position to lead to body and sucker rod to suffer the corruption.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a front view of the structure of the diagram reinforcement structure of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a pipe body; 2. filling particles; 3. a gripping block; 4. reinforcing the particles; 5. a cavity; 6. a diversion trench; 7. a reinforcing structure; 701. a first fixing sheet; 702. a first reinforcing rib; 703. a second reinforcing rib; 704. a protective coating; 705. a second fixing sheet; 8. a first seal ring; 9. a rubber layer; 10. a drag reducing coating; 11. reinforcing steel; 12. anti-skid lines; 13. anti-wear particles; 14. an external thread; 15. a notch; 16. and a second seal ring.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the continuous sucker rod coupling comprises a pipe body 1, a cavity 5, a reinforcing structure 7 and a notch 15, wherein a resistance-reducing coating 10 is arranged on the outer side wall of the pipe body 1, reinforcing steel 11 is arranged inside the pipe body 1, a guide groove 6 is arranged on the outer side wall of the pipe body 1, and the guide grooves 6 are distributed on the outer side wall of the pipe body 1 at equal intervals, so that the resistance generated in the use process of the pipe body 1 is reduced, and the use feeling of the device is better;

a notch 15 is formed in the pipe body 1, a first sealing ring 8 is mounted on one side of the notch 15, a rubber layer 9 is arranged on the outer side wall of the first sealing ring 8, a second sealing ring 16 is fixed on the other side of the notch 15, the first sealing ring 8 and the second sealing ring 16 are symmetrically distributed, the pipe body 1 is effectively sealed, and the service life of the pipe body 1 of the device is prolonged;

an external thread 14 is arranged inside the notch 15, anti-abrasion particles 13 are fixed on the outer side wall of the external thread 14, a cavity 5 is arranged inside the pipe body 1, filling particles 2 are arranged inside the cavity 5, and the filling particles 2 are uniformly distributed inside the cavity 5, so that the strength inside the cavity 5 is better, and the internal structure is more stable;

a reinforcing structure 7 is fixed inside the cavity 5, the reinforcing structure 7 is sequentially provided with a first fixing plate 701, a first reinforcing rib 702, a second reinforcing rib 703, a protective coating 704 and a second fixing plate 705 from top to bottom, the first reinforcing rib 702 is installed at the bottom end of the first fixing plate 701, the second reinforcing rib 703 is installed at one side of the first reinforcing rib 702, the protective coating 704 is arranged on the outer side wall of the second reinforcing rib 703, the second fixing plate 705 is fixed at the bottom end of the second reinforcing rib 703, and the reinforcing structure 7 is distributed in the notch 15 at equal intervals;

when the pipe is used, the protective coating 704 is arranged on the outer side walls of the first reinforcing rib 702 and the second reinforcing rib 703 to protect the surface layers of the first reinforcing rib 702 and the second reinforcing rib 703, so that the service life is prolonged, the first reinforcing rib 702 and the second reinforcing rib 703 are fixed inside the cavity 5 through the first fixing plate 701 and the second fixing plate 705, and the internal strength of the pipe body 1 is higher due to the arrangement of the reinforcing structure 7;

reinforcing particles 4 are arranged inside the cavity 5, the clamping block 3 is arranged on the outer side wall of the pipe body 1, anti-skid grains 12 are arranged on the outer side wall of the clamping block 3, and the anti-skid grains 12 are arranged on the outer side wall of the clamping block 3 at equal intervals; the phenomenon of skidding appears when avoiding pressing from both sides the clamp of body 1, and it is more convenient to let body 1 use.

The working principle is as follows: when the device is used, the cavity 5 is arranged in the pipe body 1, the reinforcing structure 7 is arranged in the cavity 5, the first reinforcing rib 702 and the second reinforcing rib 703 in the reinforcing structure 7 are combined into one strand and are jointed together, so that the internal strength of the pipe body 1 is higher, the protective coating 704 is arranged on the outer side walls of the first reinforcing rib 702 and the second reinforcing rib 703 to protect the surface layers of the first reinforcing rib 702 and the second reinforcing rib 703, the service life is prolonged, the first reinforcing rib 702 and the second reinforcing rib 703 are fixed in the cavity 5 through the first fixing sheet 701 and the second fixing sheet 705, the internal strength of the pipe body 1 is higher due to the arrangement of the reinforcing structure 7, so that the quality of the pipe body 1 is better in bearing capacity and resistance, the filling structure strength in the cavity 5 is higher due to the arrangement of the reinforcing structure 7, the filling particles 2 and the reinforcing particles 4, so that the internal strength of the device is higher, the service life of the device is prolonged, the guide grooves 6 which are distributed at equal intervals are arranged on the outer side wall of the pipe body 1, the arrangement of the guide grooves 6 reduces the contact surface when the device is transported and transferred, thereby reducing the resistance and the friction force of the pipe body 1, leading the device to be more convenient in use and simpler in operation, reducing the friction force to the inside of the notch 15 in the process of connecting the pipe body 1 to two sucker rods by arranging the anti-abrasion particles 13 on the outer side wall of the external thread 14 arranged inside the notch 15, reducing the abrasion degree to the inside of the notch 15, leading the pipe body 1 to be more durable, be provided with first sealing washer 8 and second sealing washer 16 respectively in the both sides of notch 15, play sealed leak protection effect in body 1 connection process to the sucker rod, ensure body 1's normal use, make the linkage effect to the sucker rod better, avoided long-term use sealed off-site to lead to body 1 and sucker rod to suffer the corruption.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. Continuous type sucker rod coupling, including body (1), cavity (5), additional strengthening (7) and notch (15), its characterized in that: be provided with drag reduction coating (10) on the lateral wall of body (1), the internally mounted of body (1) has reinforcement steel (11), the inside of body (1) is provided with notch (15), and the inside of notch (15) is provided with external screw thread (14), be fixed with abrasionproof damage granule (13) on the lateral wall of external screw thread (14), the internally mounted of body (1) has cavity (5), and the inside of cavity (5) is fixed with additional strengthening (7), the inside of cavity (5) is provided with reinforced granule (4), it presss from both sides and gets piece (3) to be provided with on the lateral wall of body (1).

2. The continuous sucker rod coupling of claim 1, wherein: be provided with guiding gutter (6) on the lateral wall of body (1), and guiding gutter (6) are equidistant distribution on the lateral wall of body (1).

3. The continuous sucker rod coupling of claim 1, wherein: anti-skid grains (12) are arranged on the outer side wall of the clamping block (3), and the anti-skid grains (12) are arranged at equal intervals on the outer side wall of the clamping block (3).

4. The continuous sucker rod coupling of claim 1, wherein: the filling particle (2) is arranged in the cavity (5), and the filling particles (2) are uniformly distributed in the cavity (5).

5. The continuous sucker rod coupling of claim 1, wherein: the reinforcing structure (7) is provided with a first fixing plate (701), a first reinforcing rib (702), a second reinforcing rib (703), a protective coating (704) and a second fixing plate (705) from top to bottom in sequence, the first reinforcing rib (702) is installed at the bottom end of the first fixing plate (701), the second reinforcing rib (703) is installed on one side of the first reinforcing rib (702), and the protective coating (704) is arranged on the outer side wall of the second reinforcing rib (703).

6. The continuous sucker rod coupling of claim 5, wherein: and a second fixing plate (705) is fixed at the bottom end of the second reinforcing rib (703), and the reinforcing structures (7) are distributed in the notches (15) at equal intervals.

7. The continuous sucker rod coupling of claim 1, wherein: first sealing washer (8) are installed to one side of notch (15), and are provided with rubber layer (9) on the lateral wall of first sealing washer (8), the opposite side of notch (15) is fixed with second sealing washer (16), first sealing washer (8) and second sealing washer (16) are the symmetric distribution.