CN220249319U - Direct-connection casing nipple - Google Patents

Abstract

The utility model relates to the technical field of casing pipe nipple, and particularly discloses a direct-connection casing pipe nipple which comprises a casing pipe nipple body, wherein one end of the inner wall of the casing pipe nipple body is fixedly provided with symmetrical installation blocks, a support is fixedly arranged on each installation block, the inner top of each support is fixedly provided with a reset spring, the bottom end of each reset spring is fixedly provided with a movable block, the bottom end of each movable block is provided with a movable plate, each movable plate is arranged on each installation block in a sliding manner, the bottom of each movable plate is fixedly provided with a disc, each disc is hollow, the outer wall of each disc is provided with brush hair, the brush hair is attached to the inner wall of the casing pipe nipple body, each installation block is fixedly provided with symmetrical guide plates, the guide plates are arranged at an angle of 45-55 degrees, the two sides of each support are provided with slide ways, the direct-connection casing pipe nipple can automatically clean the inner wall, and the inner wall impurity accumulation caused by medium circulation for a long time is avoided, and the practicability is strong.

Description

Direct-connection casing nipple

Technical Field

The utility model belongs to the technical field of casing pup joints, and particularly relates to a direct-connection casing pup joint.

Background

The directly connected sleeve nipple is a common fitting in industrial pipeline connection, and the common nipple is provided with threads, and is divided into a double-head external thread, a single-head external thread and a flat-head external thread, and further is provided with a nipple connected by a flange and the like.

The traditional casing nipple has certain shortcoming more or less in the in-service use process, such as the joint strength problem between casing nipple and the production pipe, and intensity is not enough to lead to the production pipe fracture very easily, and then initiates the exploitation accident, and in addition along with the exploitation of oil field, production pipe and casing nipple can not suffer external vibrations and wearing and tearing influence in the use, and then can cause the damage to the pipe, leads to the fracture of casing nipple or breaks.

The existing patent (bulletin number: CN 202010276588.9) discloses a special sleeve nipple for an oil well, which is characterized in that when the sleeve nipple is connected with a production pipe through a connecting sleeve, a jack and a screw, the connecting sleeve can be rotated towards the direction of the connection prescription of the sleeve nipple and the production pipe, so that a threaded hole formed in the connecting sleeve corresponds to the jack, and then the sleeve nipple is fixed through the insertion of the screw, so that the connection strength between the sleeve nipple and the production pipe is remarkably improved, the fracture phenomenon caused by the compression of the pipe body is avoided, and the stability and the reliability of the device are improved.

For above-mentioned problem, current patent gives the solution, but when using under the condition to carrying different media, the medium can carry impurity in the long-term circulation in-process and be stained with at the casing nipple inner wall, and the impurity is piled up too thick and is influenced the circulation effect of medium, need improve this.

For this purpose, a direct-connection casing nipple is proposed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the direct-connection casing nipple which can automatically clean the inner wall and avoid accumulation of impurities on the inner wall caused by long-term circulation of a medium.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a directly link sleeve nipple joint, includes the sleeve nipple joint body, sleeve nipple joint body inner wall one end fixed mounting has symmetrical installation piece, fixed mounting has the support on the installation piece, top fixed mounting has reset spring in the support, reset spring bottom fixed mounting has the movable block, the movable block bottom is provided with the fly leaf, the fly leaf slides and sets up on the installation piece, fly leaf bottom fixed mounting has the disc, the disc sets up to hollow form, the disc outer wall is provided with the brush hair, the brush hair is laminated mutually with sleeve nipple joint body inner wall.

Preferably, symmetrical guide plates are fixedly arranged on the mounting blocks, and the guide plates are arranged at an angle of 45-55 degrees.

Preferably, the slide ways are arranged on two sides of the support, the sliding blocks are fixedly arranged on two sides of the movable block, and the sliding blocks are arranged on the slide ways in a sliding manner and are matched with the slide ways in size.

Preferably, the distance between the bracket and the inner wall of the casing nipple body is not less than 3M.

Preferably, the socket is offered to movable block bottom, movable plate top fixed mounting has the picture peg, the picture peg slides and sets up on the socket, be provided with the mounting on movable block and the picture peg.

Preferably, the mounting comprises a mounting opening formed in the side edge of the socket of the movable block, a fixing spring arranged in the mounting opening, a fixing block arranged in the mounting opening in a sliding manner and a fixing opening formed in the side edge of the plugboard, wherein the fixing block and the fixing opening are both arranged to be cambered surfaces, and the fixing spring is pressed between the movable block and the fixing block.

Preferably, the fixing block and the fixing opening are at least provided with two groups which are symmetrical, and the joint surfaces of the fixing block and the fixing opening are both cambered surfaces.

Preferably, the plugboard is matched with the socket in size.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooperation work among the installation block, the bracket, the reset spring, the movable block, the movable plate, the disc, the bristles and the guide plate, the inner wall can be automatically cleaned, so that the accumulation of impurities on the inner wall caused by long-term medium circulation is avoided, and the practicability is strong.

2. According to the utility model, through the cooperation work among the sockets, the plugboards, the mounting ports, the fixing springs, the fixing blocks and the fixing ports, the disc can be simply disassembled and assembled, the disc is convenient to replace subsequently, the structure is simple, the time and the labor are saved, and the practicability is strong.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a top plan view of the present utility model;

FIG. 3 is a view of the internal structure of the casing nipple body of the present utility model;

fig. 4 is a diagram showing a structure of connection between a board and a movable block according to the present utility model.

Legend description:

1. a casing nipple body; 2. a mounting block; 3. a bracket; 4. a return spring; 5. a movable block; 6. a movable plate; 7. a disc; 8. brushing; 9. a deflector; 10. a slideway; 11. a slide block; 12. a socket; 13. inserting plate; 14. a fixing member; 141. a mounting port; 142. a fixed spring; 143. a fixed block; 144. and fixing the opening.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a directly link casing nipple joint, includes casing nipple joint body 1, the installation piece 2 of casing nipple joint body 1 inner wall one end fixed mounting has the symmetry, fixed mounting has support 3 on the installation piece 2, top fixed mounting has reset spring 4 in the support 3, reset spring 4 bottom fixed mounting has movable block 5, the 5 bottom of movable block is provided with fly leaf 6, fly leaf 6 slides and sets up on installation piece 2, fly leaf 6 bottom fixed mounting has disc 7, disc 7 sets up to hollow form, the disc 7 outer wall is provided with brush hair 8, brush hair 8 is laminated with casing nipple joint body 1 inner wall mutually.

During the use, dock casing nipple joint body 1 both ends and pipeline respectively, alright circulate the medium after the butt joint is accomplished, the impact force effect of medium circulation is on disc 7, make disc 7 receive effort removal and pulling fly leaf 6 and fly leaf 5, fly leaf 6 and fly leaf 5 pulling reset spring 4 remove away from support 3, when disc 7 remove the casing nipple joint body 1 other end time stop the removal, the impurity that the medium will carry is stained with at casing nipple joint body 1 inner wall at the in-process of circulation, when the impurity of inner wall needs to clear up, only need stop the circulation of medium, the effort through reset spring 4 pulls fly leaf 5, fly leaf 6 and disc 7 reset, disc 7 resets and drives brush hair 8 of disc 7 sides and washs casing nipple joint body 1 inner wall, this direct connection casing nipple joint can wash the inner wall voluntarily, avoid the medium to circulate for a long time and lead to inner wall impurity to pile up, the practicality is strong.

The installation block 2 is fixedly provided with symmetrical guide plates 9, and the angle of each guide plate 9 is 45-55 degrees; the guide plate 9 can guide the medium, is convenient for directly impact on the disc 7, is convenient for drive the disc 7, and has strong practicability.

Slide ways 10 are arranged on two sides of the bracket 3, sliding blocks 11 are fixedly arranged on two sides of the movable block 5, the sliding blocks 11 are arranged on the slide ways 10 in a sliding manner, and the sizes of the sliding blocks 11 are matched with the sizes of the slide ways 10; the sliding block 11 is driven to slide on the slideway 10 in the sliding process of the movable block 5, so that the stability of the movable block 5, the movable plate 6 and the disc 7 in the vertical movement can be improved.

The interval between the bracket 3 and the inner wall of the casing nipple body 1 is not less than 3M; the sleeve nipple body 1 can be conveniently abutted with the pipeline.

The socket 12 has been seted up to movable block 5 bottom, movable plate 6 top fixed mounting has picture peg 13, picture peg 13 slides and sets up on socket 12, be provided with mounting 14 on movable block 5 and the picture peg 13, mounting 14 is including setting up the mounting port 141 that movable block 5 is located socket 12 side, set up fixed spring 142 in mounting port 141, slide setting up fixed block 143 in mounting port 141 and set up the fixed port 144 at picture peg 13 side, both set up to the cambered surface with fixed port 144 faying surface of fixed block 143, fixed spring 142 pressure is held between movable block 5 and fixed block 143, when needs are installed disc 7, directly insert picture peg 13 on the movable plate 6 and establish on socket 12 of movable block 5 bottom, picture peg 13 makes fixed block 143 receive the extrusion force at the in-process that moves on socket 12, and fixed block 143 receives extrusion force compression fixed spring 142 and gets into in the mounting port 141, when picture peg 13 inserts completely on socket 12, through the restoring force of fixed spring 142 with fixed block 143 card income fixed port 144, accomplish and install 7 and keep away from 7 directly to detach from the disc 5, can realize the practicality and be convenient for directly to detach the disc 7, the disc is easy and the disc is realized when the disc is difficult to be detached to the disc is directly.

At least two groups of symmetrical fixing blocks 143 and fixing openings 144 are arranged, the joint surfaces of the fixing blocks 143 and the fixing openings 144 are cambered surfaces, and the inserting plate 13 is matched with the inserting opening 12 in size; the stability of the disk 7 after installation and fixation can be improved.

Working principle: during the use, dock casing nipple joint body 1 both ends and pipeline respectively, alright circulate the medium after the butt joint is accomplished, the impact force effect of medium circulation is on disc 7, make disc 7 receive effort removal and pulling fly leaf 6 and fly leaf 5, fly leaf 6 and fly leaf 5 pulling reset spring 4 remove away from support 3, when disc 7 remove the casing nipple joint body 1 other end time stop the removal, the impurity that the medium will carry is stained with the inner wall at casing nipple joint body 1 at the in-process of circulation, when the impurity to the inner wall is clear up, only need to stop the circulation of medium, the effort through reset spring 4 pulls fly leaf 5, fly leaf 6 and disc 7 reset, disc 7 resets and drives brush hair 8 of disc 7 sides and washs casing nipple joint body 1 inner wall.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The utility model provides a directly link casing nipple, includes casing nipple body (1), its characterized in that, casing nipple body (1) inner wall one end fixed mounting has symmetrical installation piece (2), fixed mounting has support (3) on installation piece (2), top fixed mounting has reset spring (4) in support (3), reset spring (4) bottom fixed mounting has movable block (5), movable block (5) bottom is provided with fly leaf (6), fly leaf (6) sliding arrangement is on installation piece (2), fly leaf (6) bottom fixed mounting has disc (7), disc (7) set up to hollow form, disc (7) outer wall is provided with brush hair (8), brush hair (8) laminate with casing nipple body (1) inner wall mutually.

2. The direct connection casing nipple according to claim 1, characterized in that symmetrical guide plates (9) are fixedly mounted on the mounting blocks (2), and the guide plates (9) are arranged at an angle of 45-55 degrees.

3. The direct-connection casing nipple according to claim 1, wherein sliding ways (10) are formed in two sides of the support (3), sliding blocks (11) are fixedly mounted on two sides of the movable block (5), the sliding blocks (11) are slidably arranged on the sliding ways (10), and the sizes of the sliding blocks (11) are matched with the sizes of the sliding ways (10).

4. A direct connection casing nipple according to claim 1, in which the spacing between the holder (3) and the inner wall of the casing nipple body (1) is not less than 3M.

5. The direct-connection casing nipple according to claim 1, characterized in that a socket (12) is formed in the bottom of the movable block (5), a plugboard (13) is fixedly mounted on the top of the movable plate (6), the plugboard (13) is slidably arranged on the socket (12), and fixing pieces (14) are arranged on the movable block (5) and the plugboard (13).

6. The direct connection casing nipple according to claim 5, wherein the fixing piece (14) comprises a mounting opening (141) formed in the side edge of the socket (12) of the movable block (5), a fixing spring (142) arranged in the mounting opening (141), a fixing block (143) slidably arranged in the mounting opening (141) and a fixing opening (144) formed in the side edge of the plug board (13), the joint surfaces of the fixing block (143) and the fixing opening (144) are cambered surfaces, and the fixing spring (142) is pressed between the movable block (5) and the fixing block (143).

7. The direct connection casing nipple according to claim 6, characterized in that the fixing blocks (143) and the fixing ports (144) are provided with at least two symmetrical groups, and the joint surfaces of the fixing blocks (143) and the fixing ports (144) are both cambered surfaces.

8. A direct connection casing nipple according to claim 6, in which the spigot (13) is sized to fit the socket (12).