CN211623345U

CN211623345U - Anti-drop device for sucker rod

Info

Publication number: CN211623345U
Application number: CN201921177987.9U
Authority: CN
Inventors: 马喜林; 韩铁龙
Original assignee: Jianghan Oil Field Xingya Industrial And Mineral Fitting Qianjiang Co ltd
Current assignee: Jianghan Oil Field Xingya Industrial And Mineral Fitting Qianjiang Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-10-02
Anticipated expiration: 2029-07-24

Abstract

The utility model provides a sucker rod anti-drop device, which comprises a main body, a connecting column, an anti-drop block and a joint, wherein the connecting column is fixedly connected with the top end of the main body, the anti-drop block is embedded in one side of the main body, and the joint is embedded above the main body; the anti-drop piece is including fixed block, extrusion groove, skid resistant course and embedded groove, and the junction includes spacing groove and stopper. The device is provided with the anticreep piece, comes to carry on spacingly and fixed to the junction through the anticreep piece for its junction can not rotate the problem of landing by oneself under the condition that frictional force slowed down yet.

Description

Anti-drop device for sucker rod

Technical Field

The utility model relates to an oil development technical field, it is specific, relate to a sucker rod.

Background

The sucker rod is the slender rod piece of rod-pumped well, it connects the polished rod on, it connects the effect that the oil-well pump plays transmission power down, make the piston mouth remove through the up-and-down motion of its sucker rod and come out with the oil extraction in the ground bottom, and current sucker rod can all have the oil on its each part after long-time use, make its smooth friction power that can be very on the surface of coupling part slow down, make and lead to the junction to slide the rotation by oneself when carrying out the repetitive motion very easily, let the sucker rod break away from on its miner.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the sucker rod and can be stained with the oil and let the frictional force speed reduction on surface make the sucker rod can rotate by oneself and break away from the technical problem of its miner after long-time the use.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sucker rod anticreep ware, includes main part, spliced pole, anticreep piece and junction, the top fixedly connected with spliced pole of main part, one side embedding of main part is provided with the anticreep piece, the embedding of main part top is provided with the junction.

The anticreep piece is including fixed block, extrusion groove, skid resistant course and embedded groove, the fixed block embedding sets up in anticreep piece one side, extrusion groove fixed connection is in fixed block one side, skid resistant course fixed connection is in fixed block one side, the embedded groove opening sets up in fixed block one side.

The junction includes spacing groove and stopper, spacing groove opening sets up around the junction, the stopper embedding sets up in spacing groove middle part both sides.

Further preferred embodiments: the fixed blocks are formed by splicing and combining a plurality of fixed blocks.

Further preferred embodiments: the extrusion groove is an inclined plane which is obliquely arranged on one side of the fixed block.

Further preferred embodiments: the material of skid resistant course is the rubber material, and the surface is provided with a plurality of circular archs.

Further preferred embodiments: the embedded groove is a groove formed in a rectangular shape on two sides of the fixing block, and the groove is embedded with the limiting block.

Further preferred embodiments: the limiting groove is a rectangular groove around the joint, and the groove is embedded with the fixing block.

Further preferred embodiments:

has the advantages that:

(1) this kind of sucker rod anticreep ware is provided with the fixed block, one side can support on the extrusion groove of fixed block on the anticreep piece when the junction is connected to get into the decline, can support its inclined plane when the junction is connected to descend through the extrusion groove, then force its fixed block to contract to one side through extruded power, and a plurality of fixed block can let the distance that every fixed block contracts different according to the radian on its junction surface when the shrink, make it can form the recess that accords with the radian on junction surface, and the surface of skid resistant course can support its junction surface and increase its frictional force, can produce the power that one strand outwards promoted because one side coupling spring's elasticity when the fixed block forms the recess and supports the junction simultaneously, come to press from both sides tight fixed to the junction with this.

(2) At last when the fixed block supports the junction, one part of the fixed block can reset the fixed block into the limiting groove due to the elasticity of the spring, and the fixed block can support the inclined plane of the limiting block to contract when pushed, and then the fixed block is embedded into the embedded groove to fix the fixed block, so that the fixed block cannot enable the connecting column and the junction to rotate and deviate.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

fig. 3 is the overall structure schematic diagram of the anti-dropping block of the present invention.

In FIGS. 1-3: the anti-slip device comprises a main body 1, a connecting column 2, an anti-slip block 3, a fixing block 301, an extrusion groove 302, an anti-slip layer 303, an embedded groove 304, a connecting part 4, a limiting groove 401 and a limiting block 402.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention,

the utility model provides a pair of sucker rod anticreep ware, including main part 1, spliced pole 2, anticreep piece 3 and junction 4, the top fixedly connected with spliced pole 2 of main part 1, one side embedding of main part 1 is provided with anticreep piece 3, and the embedding of 1 tops of main part is provided with junction 4.

Anticreep piece 3 sets up in anticreep piece 3 one side including fixed block 301, extrusion groove 302, skid resistant course 303 and embedded groove 304, fixed block 301 embedding, and extrusion groove 302 fixed connection is in fixed block 301 one side, and skid resistant course 303 fixed connection is in fixed block 301 one side, and the embedded groove 304 opening sets up in fixed block 301 one side.

The junction 4 includes spacing groove 401 and spacing piece 402, and spacing groove 401 opening sets up around junction 4, and the embedding of spacing piece 402 sets up in spacing groove 401 middle part both sides.

The fixing blocks 301 are arranged by splicing and combining a plurality of fixing blocks, the periphery of the connecting part 4 is clamped and fixed by the aid of the contraction and reset resisting force of the fixing blocks 301, and meanwhile, various grooves can be formed by the fixing blocks 301 due to different contraction distances to adapt to various connecting parts 4.

The pressing groove 302 is an inclined plane formed on one side of the fixed block 301, and the pressing groove 302 can abut against the inclined plane when the connection part 4 is connected and descended, and then the fixed block 301 is forced to contract towards one side by pressing force.

The anti-slip layer 303 is made of rubber, the surface of the anti-slip layer 303 is provided with a plurality of circular protrusions, and the friction force of the anti-slip layer 303 can be increased when one side of the fixing block 301 abuts against the connecting part, so that the anti-slip layer cannot easily shift and slide.

Wherein, embedded groove 304 is the recess that the rectangle form set up for fixed block 301 both sides, and recess and stopper 402 looks gomphosis, can fix and spacing fixed block 301 when fixed block 301 enters into spacing groove 401 through embedded groove 304 and stopper 402's gomphosis.

Wherein, spacing groove 401 is the fluting that is rectangular form around junction 4, and fluting and fixed block 301 looks gomphosis, makes junction 4 and spliced pole 2 can't carry out rotation about by oneself when letting fixed block 301 enter into inside through spacing groove 401.

The working principle is as follows:

use the utility model relates to a sucker rod anticreep ware, at first aim at its junction 4 with spliced pole 2 in the main part 1, then let it connect with spliced pole 2 through rotating its junction 4, make main part 1 and junction 4 connect, and can support on the extrusion groove 302 of fixed block 301 on anticreep piece 3 in one side when connecting to get into the decline at junction 4, can support its inclined plane when junction 4 is connected to descend through extrusion groove 302, then force its fixed block 301 to contract to one side through extruded power, and a plurality of fixed block 301 can let the distance that every fixed block 301 contracts different according to the radian on its junction 4 surface in the shrink, make it can form the recess that accords with the radian on junction 4 surface, and the surface of skid resistant course 303 can support its junction 4 surface and increase its frictional force, can produce because one side coupling spring's elasticity when fixed block 301 forms groove connection 4 simultaneously and supports The fixing block 301 is inserted into the insertion groove 304 to fix the fixing block 301, so that the fixing block 301 cannot rotate and deviate the connecting column 2 and the connecting part 4.

Claims

1. The utility model provides a sucker rod anticreep ware, includes main part (1), spliced pole (2), anticreep piece (3) and junction (4), its characterized in that: the top end of the main body (1) is fixedly connected with a connecting column (2), one side of the main body (1) is embedded with an anti-falling block (3), and a connecting part (4) is embedded above the main body (1);

the anti-falling block (3) comprises a fixed block (301), an extrusion groove (302), an anti-slip layer (303) and an embedding groove (304), the fixed block (301) is embedded in one side of the anti-falling block (3), the extrusion groove (302) is fixedly connected to one side of the fixed block (301), the anti-slip layer (303) is fixedly connected to one side of the fixed block (301), and an opening of the embedding groove (304) is formed in one side of the fixed block (301);

the connecting part (4) comprises a limiting groove (401) and limiting blocks (402), openings of the limiting groove (401) are formed in the periphery of the connecting part (4), and the limiting blocks (402) are embedded in the two sides of the middle of the limiting groove (401).

2. The anti-drop device for sucker rod of claim 1 wherein: the fixed blocks (301) are formed by splicing and combining a plurality of fixed blocks.

3. The anti-drop device for sucker rod of claim 1 wherein: the extrusion groove (302) is an inclined plane which is arranged on one side of the fixed block (301) in an inclined manner.

4. The anti-drop device for sucker rod of claim 1 wherein: the anti-skid layer (303) is made of rubber, and a plurality of circular bulges are arranged on the surface of the anti-skid layer.

5. The anti-drop device for sucker rod of claim 1 wherein: the embedded groove (304) is a groove which is formed in a rectangular shape on two sides of the fixing block (301), and the groove is embedded with the limiting block (402).

6. The anti-drop device for sucker rod of claim 1 wherein: the limiting groove (401) is a rectangular groove around the connecting part (4), and the groove is embedded with the fixing block (301).