CN214532838U

CN214532838U - Centralizer convenient to use

Info

Publication number: CN214532838U
Application number: CN202023269280.6U
Authority: CN
Inventors: 黄凤娇
Original assignee: Qianjiang Junyou Petroleum Machinery Manufacturing Co ltd
Current assignee: Qianjiang Junyou Petroleum Machinery Manufacturing Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-29
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a centralizer convenient to use, be in including guide cylinder, setting first spacing retaining ring, the setting of guide cylinder one end are in the spacing retaining ring of second of the guide cylinder other end, cup joint the setting and are in the lock sleeve, the setting of guide cylinder periphery are in a plurality of latch segment, setting on the lock sleeve are in spacing hole and the setting with latch segment looks adaptation are in on the guide cylinder the coupling assembling of the department that is connected with the guide cylinder of lock sleeve. The utility model relates to a centralizer convenient to use carries on spacingly through the both ends of first spacing retaining ring and the spacing retaining ring of second to the lock sleeve, and is convenient for be connected the lock sleeve with the guide cylinder through coupling assembling, and then the effectual stability of being connected with the guide cylinder of having guaranteed the lock sleeve, in addition because the latch segment sets up to the rubber material, be convenient for be suitable for with the sucker rod of different external diameters, and then effectual improvement the utility model discloses an use the flexibility.

Description

Centralizer convenient to use

Technical Field

The utility model relates to a centralizer correlation technique field specifically is a centralizer convenient to use.

Background

The centralizer belongs to the well cementing tool, install the pilot unit outside the well tube, it makes simply, the structure is esthetic, firm and durable, the centering force is great, overcome the apt desoldering deficiency that takes place of the original welded centralizer, the sucker rod centralizer is wear-resisting, shock-resistant, corrosion-resistant, low temperature resistant, self-lubricating property, non-hydroscopicity are superior to the traditional nylon centralizer greatly, overcome the nylon is apt to absorb water swelling, hydrolyze, the low temperature is fragile, breakable, the big disadvantage of frictional resistance, because of the extremely excellent flexibility, absorb the characteristic of the impact energy, can weaken the pole, tube in the reciprocating motion and bump; the extremely low friction coefficient is beneficial to reducing the reciprocating friction wear and the load of the oil pumping unit; the moderate hardness is beneficial to reducing the abrasion to the oil pumping pipe body and the oil pumping rod body;

the centralizer in the prior art has a simple structure and a single use mode due to the design characteristics of the centralizer, and in the actual use process, the guide cylinder is not convenient to connect the locking sleeve, so that the locking sleeve is easy to damage, the effect of guiding the sucker rod is reduced, and various use requirements of the centralizer at present cannot be met;

to this end, we propose a centralizer that is easy to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centralizer convenient to use aims at improving the centralizer among the prior art because the design characteristics of its own, and simple structure and using-way are single, in the use of reality, are not convenient for be connected the guide cylinder to the lock sleeve to easily cause the damage of lock sleeve, and then reduced the problem of the effect of advancing the direction to the sucker rod.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a centralizer convenient to use, including the guide cylinder, the first spacing retaining ring of setting in guide cylinder one end, the spacing retaining ring of second of setting at the guide cylinder other end, cup joint the lock sleeve of setting in the guide cylinder periphery, a plurality of latch segment of setting on the lock sleeve, the spacing hole of setting with latch segment looks adaptation on the guide cylinder and set up the coupling assembling of department that is connected with the guide cylinder at the lock sleeve, first spacing retaining ring and guide cylinder fixed connection, the spacing retaining ring of second can be dismantled with the guide cylinder and be connected.

As the utility model discloses an in preferred aspect, the one end of the spacing retaining ring of second is provided with the connector wing limit, connector wing limit and the spacing retaining ring fixed connection of second, the even external screw thread that is provided with in periphery of spacing retaining ring, the inner wall of guide cylinder be provided with the internal thread of external screw thread looks adaptation, the external diameter of first spacing retaining ring and the spacing retaining ring of second is greater than the external diameter of lock sleeve respectively, and then be convenient for carry on spacingly through the both ends of first spacing retaining ring and the spacing retaining ring of second to the lock sleeve.

As an aspect of the utility model is preferred, coupling assembling including set up respectively about the lock sleeve inner wall the both ends connect protruding and set up on the guide cylinder with the spacing recess of the protruding looks adaptation of connection, connect protruding use the centre of a circle of lock sleeve as central point circumference setting, connect the inboard fixed connection of protruding and lock sleeve, and then be convenient for be connected lock sleeve and guide cylinder through the mutual complementary effect between protruding and the spacing recess of connection.

As a preferable aspect of the utility model, the locking blocks are circumferentially arranged by taking the circle center of the locking sleeve as a central point, each locking block is arranged in the length direction of the locking sleeve and is made of rubber, so that the locking sleeve is suitable for sucker rods with different outer diameters by utilizing the elastic action of rubber,

as an aspect of the utility model is preferred, the one end of every latch segment runs through and sets up the inboard setting at the lock sleeve in the lock sleeve, and the one end of inboard latch segment sets up to the arc structure, and the effectual area that has guaranteed that the latch segment carries out the contact to the sucker rod of arc structure.

As an aspect of the utility model is preferred, the other end setting of the latch segment of every is in the outside of lock sleeve, and the one end of the lock sleeve in the outside sets up to the inclined plane, and the design on inclined plane is effectual to have guaranteed the frictional force between lock sleeve and the installation face.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the characteristics of reasonable in design and easy operation, the utility model relates to a centralizer convenient to use

(1) The two ends of the locking sleeve are limited through the first limiting retainer ring and the second limiting retainer ring, and the locking sleeve is conveniently connected with the guide cylinder through the connecting component, so that the stability of connection of the locking sleeve and the guide cylinder is effectively guaranteed;

(2) in addition, the locking block is arranged to be made of rubber, so that the utility model is convenient for being applied to the sucker rods with different outer diameters and further effectively improving the use flexibility.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an exploded view of the overall structure of the centralizer for easy use of the present invention;

FIG. 2 is a schematic view of the alternative view of FIG. 1 of the centralizer being used for ease of use of the invention;

FIG. 3 is a schematic structural view of the overall structure of the centralizer convenient for use of the present invention;

fig. 4 is a schematic structural view of the semi-sectional view of fig. 3 in a centralizer for facilitating use of the invention.

In the figure: 1-a guide cylinder, 10-a limiting hole, 11-a limiting groove, 21-a first limiting retainer ring, 22-a second limiting retainer ring, 221-a connecting wing edge, 3-a locking sleeve, 31-a connecting bulge and 4-a locking block.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a centralizer convenient to use comprises a guide cylinder 1, a first limit retainer ring 21 arranged at one end of the guide cylinder 1, a second limit retainer ring 22 arranged at the other end of the guide cylinder 1, a locking sleeve 3 sleeved at the periphery of the guide cylinder 1, a plurality of locking blocks 4 arranged on the locking sleeve 3, a limit hole 10 arranged on the guide cylinder 1 and matched with the locking blocks 4 and a connecting component arranged at the connecting part of the locking sleeve 3 and the guide cylinder 1, wherein the first limit retainer ring 21 is fixedly connected with the guide cylinder 1, the second limit retainer ring 22 is detachably connected with the guide cylinder 1, so that the two ends of the locking sleeve 3 are limited by the first limit retainer ring 21 and the second limit retainer ring 22, the locking sleeve 3 is conveniently connected with the guide cylinder 1 through the connecting component, the connecting stability of the locking sleeve 3 and the guide cylinder 1 is effectively ensured, and in addition, the locking blocks are made of rubber, be convenient for be suitable for with the sucker rod of different external diameters, and then effectual improvement the utility model discloses a use flexibility.

In this embodiment, please refer to fig. 1, fig. 2, fig. 3 and fig. 4 specifically, one end of the second limiting retainer ring 22 is provided with a connecting wing edge 221, the connecting wing edge 221 is fixedly connected with the second limiting retainer ring 22, the periphery of the limiting retainer ring is uniformly provided with an external thread, the inner wall of the guide cylinder 1 is provided with an internal thread matched with the external thread, so as to be convenient for connecting the connecting wing edge 221 with the guide cylinder 1 through the mutual complementary action between the internal thread and the external thread, and the thread structure has convenient assembly and disassembly, so as to be convenient for connecting the second limiting retainer ring 22 with the guide cylinder 1, the outer diameters of the first limiting retainer ring 21 and the second limiting retainer ring 22 are respectively greater than the outer diameter of the locking sleeve 3, so as to limit the two ends of the locking sleeve 3 through the first limiting retainer ring 21 and the second limiting retainer ring 22.

In this embodiment, please refer to fig. 1, fig. 2, fig. 3, and fig. 4 specifically, the connection assembly includes a connection protrusion 31 disposed at the upper end and the lower end of the inner wall of the locking sleeve 3, and a limit groove 11 disposed on the guide cylinder 1 and adapted to the connection protrusion 31, the connection protrusion 31 is circumferentially disposed with the circle center of the locking sleeve 3 as the central point, the connection protrusion 31 is fixedly connected to the inner side of the locking sleeve 3, so as to connect the locking sleeve 3 to the guide cylinder 1 through the mutual complementary action between the connection protrusion 31 and the limit groove 11, thereby effectively ensuring the stability of the connection between the guide cylinder 1 and the locking sleeve 3.

In this embodiment, referring to fig. 1, fig. 2, fig. 3 and fig. 4 specifically, the locking blocks 4 are circumferentially arranged with the center of circle of the locking sleeve 3 as the central point, each locking block 4 is arranged in the length direction of the locking sleeve 3, and the locking blocks 4 are made of rubber material, so as to be convenient for using the elastic action of rubber, so that the locking sleeve 3 is suitable for sucker rods with different outer diameters, one end of each locking block 4 penetrates through the locking sleeve 3 and is arranged at the inner side of the locking sleeve 3, one end of the locking block 4 at the inner side is arranged in an arc-shaped structure, the arc-shaped structure effectively ensures the contact area of the locking block 4 to the sucker rod, thereby effectively ensuring the quality of guiding the sucker rod, the other end of each locking block 4 is arranged at the outer side of the locking sleeve 3, one end of the locking sleeve 3 at the outer side is arranged in an inclined plane, and the design of the inclined plane effectively ensures the friction force between the locking sleeve 3 and the installation plane, thereby effectively ensuring the stability of the connection of the locking sleeve 3 and the mounting surface.

The working principle is as follows:

when the guide sleeve is used, the locking sleeve 3 is firstly sleeved on the periphery of the guide block, the locking block 4 is clamped with the limiting hole 10 on the guide cylinder, then the connecting bulge 31 on the inner side of the locking sleeve 3 is clamped with the limiting groove 11 on the periphery of the guide cylinder 1, then the connecting wing edge 221 on the second limiting check ring 22 is connected with the guide cylinder 1 through a threaded structure, and therefore the two ends of the locking sleeve 3 are limited through the first limiting check ring 21 and the second limiting check ring 22.

The device obtained through the design can basically meet the requirement of improving the centralizer in the prior art, and due to the design characteristics of the centralizer, the centralizer is simple in structure and single in use mode, and in the actual use process, the guide cylinder is not convenient to connect the locking sleeve, so that the locking sleeve is easy to damage, the use of the problem of the further guiding effect of the sucker rod is reduced, and the centralizer is further improved by a designer in the aim of further perfecting the function of the sucker rod.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A centralizer convenient to use which characterized in that: including guide cylinder (1), setting be in first spacing retaining ring (21), the setting of guide cylinder (1) one end are in the spacing retaining ring of second (22), the setting of cup jointing of the guide cylinder (1) other end are in lock sleeve (3), the setting of guide cylinder (1) periphery are in a plurality of latch segment (4), the setting on lock sleeve (3) are in spacing hole (10) and the setting with latch segment (4) looks adaptation are in on guide cylinder (1) lock sleeve (3) and guide cylinder (1) the coupling assembling of department of being connected, first spacing retaining ring (21) and guide cylinder (1) fixed connection, the spacing retaining ring of second (22) can be dismantled with guide cylinder (1) and be connected.

2. The centralizer convenient to use of claim 1, characterized in that one end of the second limit retainer ring (22) is provided with a connecting wing edge (221), the connecting wing edge (221) is fixedly connected with the second limit retainer ring (22), the periphery of the limit retainer ring is uniformly provided with external threads, the inner wall of the guide cylinder (1) is provided with internal threads matched with the external threads, and the outer diameters of the first limit retainer ring (21) and the second limit retainer ring (22) are respectively larger than the outer diameter of the locking sleeve (3).

3. The centralizer convenient to use of claim 2, wherein the connecting assembly comprises connecting protrusions (31) respectively arranged at the upper end and the lower end of the inner wall of the locking sleeve (3) and limiting grooves (11) arranged on the guide cylinder (1) and matched with the connecting protrusions (31), the connecting protrusions (31) are circumferentially arranged by taking the circle center of the locking sleeve (3) as a central point, and the connecting protrusions (31) are fixedly connected with the inner side of the locking sleeve (3).

4. A centralizer as claimed in claim 3, wherein the blocks (4) are circumferentially arranged around the centre of the locking sleeve (3), each block (4) is arranged along the length of the sleeve (3), and the blocks (4) are made of rubber.

5. A centralizer as claimed in claim 4, characterised in that each said locking block (4) is provided with one end extending through the locking sleeve (3) and located inwardly of said locking sleeve (3), and the said locking block (4) is provided with an end of arcuate configuration.

6. A centralizer as claimed in claim 5, characterised in that the other end of each block (4) is located outside the locking sleeve (3), and the end of the outer sleeve (3) is inclined.