CN216554769U

CN216554769U - Tool string quick connector

Info

Publication number: CN216554769U
Application number: CN202123136278.6U
Authority: CN
Inventors: 程汉生; 吴继农; 王军; 李广禄; 朱凯; 路江海
Original assignee: China Petroleum and Chemical Corp; Oil and Gas Extraction Engineering Technology Service Center of Sinopec Jianghan Oilfield Co
Current assignee: China Petroleum and Chemical Corp; Oil and Gas Extraction Engineering Technology Service Center of Sinopec Jianghan Oilfield Co
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-17
Anticipated expiration: 2031-12-14

Abstract

A tool string quick connector relates to the field of connecting devices. This tool string quick connector includes first connecting cylinder, the second connecting cylinder, spacing lock core and spacing spring, the one end of first connecting cylinder is connected with the fixture block, the other end is equipped with the screw hole that is used for connecting tool, the one end of second connecting cylinder is equipped with and supplies fixture block male holding tank, the other end is equipped with the screw rod that is used for connecting tool, spacing lock core slip is inserted and is located in the holding tank, spacing lock core and holding tank inner wall are supported respectively to the both ends of spacing spring, the holding tank inner wall is equipped with the spacing groove, promote spacing lock core compression spacing spring when the fixture block inserts the holding tank, rotatable joint is fixed in or deviates from the spacing groove behind the fixture block configured to insert the holding tank. The utility model provides a tool string quick connector can make things convenient for connecting tool to carry the use, and not only easy dismounting can effectively reduce the screw thread that causes because of factors such as environment, artificial error when instrument is concatenated in the on-the-spot screw thread equipment moreover and glue and the instrument damage phenomenon.

Description

Tool string quick connector

Technical Field

The application relates to the field of connecting devices, in particular to a tool string quick connector.

Background

When testing the oil gas well, various instruments with different lengths and weights are connected into a tool string according to different construction purposes. The traditional method is that various instrument tools are tiled on the ground, after being pre-tightened by threads pre-arranged at two ends of the instrument tools, pipe tongs or a special spanner are used for screwing to form a tool string, then the tool string is lifted by manpower or a crane to be vertical to a well mouth, a winch drives a steel wire or a cable to drive the tool string into the well, but the tool string is influenced by field environment and weather, particularly rain and snow weather, sludge and unevenness factors exist in a well field, the connection quality of the tool string is seriously influenced, the thread of an assembled instrument is easy to be adhered with mud and sand to cause thread gluing, a cable head and a steel wire rope cap head are very easy to bend when a longer instrument is hoisted into the well, a light person needs to manufacture the cable head and the steel wire rope knot again, and the well falling accident of the instrument tools is seriously caused; in addition, the manual lifting of the longer and heavier tool string is time-consuming and labor-consuming, and meanwhile, great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a tool string quick connector, and it can make things convenient for connecting tool to carry the use, and easy dismounting not only can effectively reduce the screw thread that causes because of factors such as environment, human error when instrument is concatenated in the on-the-spot screw thread equipment moreover and glue and the instrument damage phenomenon.

The embodiment of the application is realized as follows:

the embodiment of the application provides a tool string quick connector, it includes first connecting cylinder, the second connecting cylinder, spacing lock core and spacing spring, the one end of first connecting cylinder is connected with the fixture block, the other end is equipped with the screw hole that is used for connecting tool, the one end of second connecting cylinder is equipped with and supplies fixture block male holding tank, the other end is equipped with the screw rod that is used for connecting tool, spacing lock core slides and inserts and locates in the holding tank, spacing lock core and holding tank inner wall are supported respectively to press at the both ends of spacing spring, the holding tank inner wall is equipped with the spacing groove, promote spacing lock core compression spacing spring when the fixture block inserts the holding tank, the fixture block is configured to insert rotatable joint behind the holding tank and is fixed in or deviate from the spacing groove.

In some optional embodiments, the outer wall of the second connecting cylinder is provided with a connecting hole extending along the axial direction of the second connecting cylinder, the connecting hole is communicated with the accommodating groove, a limiting pin with one end connected with the limiting lock cylinder is inserted into the connecting hole, a positioning block is arranged at one end of the limiting lock cylinder far away from the limiting spring, the fixture block is provided with a positioning groove, and the positioning groove is clamped with the positioning block when the fixture block is rotationally clamped and fixed in the limiting groove.

In some alternative embodiments, the limiting lock cylinder and the limiting pin are detachably connected through a jackscrew.

In some optional embodiments, the outer wall of the second connecting cylinder is provided with a jackscrew hole communicated with the accommodating groove, and the jackscrew hole is aligned with the jackscrew when the fixture block is disengaged from the accommodating groove.

In some optional embodiments, one end of the limiting lock cylinder is provided with a spring column, and one end of the limiting spring is sleeved on the spring column and abuts against the limiting lock cylinder.

The beneficial effect of this application is: the tool string quick connector that this embodiment provided includes first connecting cylinder, the second connecting cylinder, spacing lock core and spacing spring, the one end of first connecting cylinder is connected with the fixture block, the other end is equipped with the screw hole that is used for connecting tool, the one end of second connecting cylinder is equipped with and supplies fixture block male holding tank, the other end is equipped with the screw rod that is used for connecting tool, spacing lock core slides and inserts and locates in the holding tank, spacing lock core and holding tank inner wall are supported respectively to the both ends of spacing spring, the holding tank inner wall is equipped with the spacing groove, promote spacing lock core compression spacing spring when the fixture block inserts the holding tank, rotatable joint is fixed in or deviates from the spacing groove behind the fixture block configured to insert the holding tank. The utility model provides a tool string quick connector can make things convenient for connecting tool to carry the use, and not only easy dismounting can effectively reduce the screw thread that causes because of factors such as environment, artificial error glues glutinous and instrument damage phenomenon when instrument is concatenated in the on-the-spot screw thread equipment moreover, improves efficiency of construction and quality, reduces personnel construction intensity of labour.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is an exploded view of a tool string quick connector according to an embodiment of the present application;

fig. 2 is a schematic view of a partial cross-sectional structure of a fixture block of the tool string quick connector provided in the embodiment of the present application when the fixture block is rotatably clamped in a limiting groove;

fig. 3 is a schematic partial sectional view of a tool string quick connector according to an embodiment of the present invention, with the first connector barrel separated from the second connector barrel.

In the figure: 100. a first connecting cylinder; 110. a second connecting cylinder; 120. a limiting lock cylinder; 130. a limiting spring; 140. a spacing pin; 150. a clamping block; 160. a threaded hole; 170. accommodating grooves; 180. a screw; 190. a limiting groove; 200. connecting holes; 210. positioning blocks; 220. positioning a groove; 230. carrying out top thread; 240. a jackscrew hole; 250. a spring post; 260. a first hole; 270. a second hole; 280. a third aperture.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The features and performance of the tool string quick connector of the present application are described in further detail below in conjunction with the examples.

As shown in fig. 1, 2 and 3, an embodiment of the present application provides a tool string quick connector, which includes a first connecting cylinder 100, a second connecting cylinder 110, a limiting lock cylinder 120, a limiting spring 130, a limiting pin 140 and a jackscrew 230, wherein one end of the first connecting cylinder 100 is connected to a fixture block 150, the other end is provided with a threaded hole 160 for connecting a tool, an end surface of the fixture block 150, which is far away from the threaded hole 160, is provided with a positioning groove 220, one end of the second connecting cylinder 110 is provided with an accommodating groove 170 for inserting the fixture block 150, the other end is provided with a screw 180 for connecting the tool, the limiting lock cylinder 120 is slidably inserted into the accommodating groove 170, the limiting spring 130 is arranged between the limiting lock cylinder 120 and an inner wall of the accommodating groove 170, one end of the limiting lock cylinder 120, which is close to the limiting spring 130, is provided with a positioning block 210, one end of the limiting spring 130 presses against the inner wall of the accommodating groove 170, the other end is sleeved on the spring column 250 and abuts against the limiting lock cylinder 120; the inner wall of the receiving groove 170 is provided with a limiting groove 190, the fixture 150 pushes the limiting lock cylinder 120 to compress the limiting spring 130 when inserted into the receiving groove 170, the fixture 150 is configured to be rotatably clamped and fixed in or separated from the limiting groove 190 after being inserted into the receiving groove 170, and the fixture 150 is rotatably clamped and fixed in the limiting groove 190 so that the positioning groove 220 is clamped and connected with the positioning block 210. The outer wall of the second connecting cylinder 110 is provided with a connecting hole 200 extending along the axial direction of the second connecting cylinder, the connecting hole 200 is communicated with the accommodating groove 170, one end of the limit pin 140 is detachably connected with the limit lock cylinder 120 through a jackscrew 230, the other end of the limit pin extends into the connecting hole 200, the limit lock cylinder 120 is provided with a first hole 260 for the limit pin 140 to pass through and a second hole 270 communicated with the first hole 260, the limit pin 140 is provided with a third hole 280, the second hole 270 and the third hole 280 are threaded holes, the jackscrew 230 sequentially passes through the second hole 270 and the third hole 280 to detachably connect the limit lock cylinder 120 and the limit pin 140, the outer wall of the second connecting cylinder 110 is provided with a jackscrew hole 240 communicated with the accommodating groove 170, and the jackscrew hole 240 is aligned with the jackscrew 230 when the fixture block 150 is disengaged from the accommodating groove 170.

Before the tool string quick connector provided by this embodiment is used, the second connecting cylinder 110 needs to be assembled, during assembly, one end of the limiting spring 130 is sleeved on the spring post 250 arranged at one end of the limiting lock cylinder 120, then the limiting spring 130 and the limiting lock cylinder 120 are sequentially plugged into the receiving groove 170 of the second connecting cylinder 110, so that the limiting spring 130 is located between the limiting lock cylinder 120 and the bottom wall of the receiving groove 170, then fingers extend into the receiving groove 170 to rotate and limit the position of the limiting lock cylinder 120, so that the first hole 260 formed in the limiting lock cylinder 120 is aligned with the connecting hole 200, and the second hole 270 formed in the limiting lock cylinder 120 is aligned with the jackscrew hole 240 in the second connecting cylinder 110, the limiting pin 140 sequentially passes through the connecting hole 200 and then is inserted into the first hole 260 in the limiting lock cylinder 120, so that the third hole 280 in the limiting pin 140 is aligned with the second hole 270 in the limiting lock cylinder 120, and then the jackscrew 230 sequentially passes through and is fixed to the second hole 270 in the limiting lock cylinder 120 and the limiting pin 140 after passing through the jackscrew hole 240 The spacing pin 140 and the spacing plug 120 are detachably connected to define the position of the spacing plug 120, the second connecting cylinder 110 of the tool string quick connector is assembled, and then the tool string quick connector can be used to connect the tool for carrying and using.

When the tool string quick connector provided by this embodiment is used, first, the threaded hole 160 provided at one end of the first connecting cylinder 100 is connected with a tool through a thread, the threaded rod 180 provided at one end of the second connecting cylinder 110 is connected with another tool, then the fixture block 150 provided at the other end of the first connecting cylinder 100 is inserted into the receiving groove 170 provided at the other end of the second connecting cylinder 110, so that the fixture block 150 extending into the receiving groove 170 pushes the limiting lock cylinder 120 to move axially along the second connecting cylinder 110 and press against the limiting spring 130, the limiting pin 140 connected with the limiting lock cylinder 120 is driven to move along the connecting hole 200 when the limiting lock cylinder 120 moves axially along the second connecting cylinder 110, and the limiting lock cylinder 120 is limited by the limiting pin 140 with one end extending into the connecting hole 200 to be incapable of rotating circumferentially along the second connecting cylinder 110, and the positioning groove 220 provided at the end surface of the fixture block 150 is staggered with the positioning block 210 provided at the end of the limiting lock cylinder 120 and is not clamped, when the fixture block 150 pushes the limiting lock cylinder 120 to axially move to the position of the limiting groove 190 formed in the inner wall of the accommodating groove 170 along the second connecting cylinder 110, a user can rotate the first connecting cylinder 100 to drive the fixture block 150 to rotate to be clamped and connected to the inner wall of the limiting groove 190, at the moment, the positioning groove 220 formed in the end face of the fixture block 150 is clamped and fixed with the positioning block 210 formed in the end part of the limiting lock cylinder 120, when the user loosens the first connecting cylinder 100, the elastic thrust of the limiting spring 130 pushes the limiting lock cylinder 120 to reversely push the fixture block 150, the end of the fixture block 150 is stably clamped and locked and fixed in the limiting groove 190, the detachable connection and fixing operation of the first connecting cylinder 100 and the second connecting cylinder 110 is completed, and two tools are stably connected together so as to carry out operation in a well; when the first connecting cylinder 100 and the second connecting cylinder 110 need to be separated to separate two tools, a screwdriver needs to be inserted into the connecting hole 200 to push the limiting pin 140 to drive the limiting lock cylinder 120 to overcome the elastic force of the limiting spring 130 and move in the direction away from the first connecting cylinder 100 along the axial direction, so that the positioning block 210 arranged at the end part of the limiting lock cylinder 120 is separated from the positioning groove 220 at the end surface of the clamping block 150 to release locking, at this time, a user can reversely rotate the first connecting cylinder 100 to drive the clamping block 150 to rotate to separate from the limiting groove 190 to release clamping, the first connecting cylinder 100 moves along the axial direction to drive the clamping block 150 to separate from the receiving groove 170, and the first connecting cylinder 100 is separated from the second connecting cylinder 110.

The utility model provides a tool string quick connector can realize the tool string and erect the high-speed joint and the dismantlement under the arrangement condition, and convenient operation, safety, reliable, can effectively improve construction production efficiency, thereby guarantee overweight test tool instrument in the pit and can group connect the lower well and multistage use, reduce personnel's construction intensity of labour, and can effectively reduce the on-the-spot screw thread equipment and glue because of the environment when concatenating instrument, the screw thread that factors such as artificial error caused glues, avoid instrument's damage.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims

1. The utility model provides a tool string quick connector, its characterized in that, it includes first connecting cylinder, second connecting cylinder, spacing lock core and spacing spring, the one end of first connecting cylinder is connected with the fixture block, and the other end is equipped with the screw hole that is used for connecting tool, the one end of second connecting cylinder is equipped with the confession fixture block male holding tank, and the other end is equipped with the screw rod that is used for connecting tool, spacing lock core slides to be inserted and locates in the holding tank, the both ends of spacing spring support respectively press spacing lock core with the holding tank inner wall, the holding tank inner wall is equipped with the spacing groove, the fixture block inserts promote during the holding tank spacing lock core compression spacing spring, the fixture block is configured to insert rotatable joint behind the holding tank is fixed in or is deviate from the spacing groove.

2. The tool string quick connector according to claim 1, wherein a connecting hole extending along an axial direction of the second connecting cylinder is formed in an outer wall of the second connecting cylinder, the connecting hole is communicated with the accommodating groove, a limiting pin with one end connected with the limiting lock cylinder is inserted into the connecting hole, a positioning block is arranged at one end of the limiting lock cylinder, which is far away from the limiting spring, a positioning groove is formed in the clamping block, and the positioning groove is clamped with the positioning block when the clamping block is rotationally clamped and fixed in the limiting groove.

3. The tool string quick connector according to claim 2, wherein the limiting lock cylinder and the limiting pin are detachably connected by a jackscrew.

4. The quick connector as claimed in claim 3, wherein the second connecting cylinder has a hole for receiving the plug screw, and the engaging member is disengaged from the receiving groove to align the hole with the plug screw.

5. The tool string quick connector according to claim 1, wherein a spring post is disposed at one end of the limiting lock cylinder, and one end of the limiting spring is sleeved on the spring post and abuts against the limiting lock cylinder.