CN214886962U

CN214886962U - Be used for sealed hanger of oil well head

Info

Publication number: CN214886962U
Application number: CN202120729377.6U
Authority: CN
Inventors: 郭斌; 吴熀
Original assignee: Jingjiang Mitsubishi Hvac Machinery Manufacturing Co ltd
Current assignee: Jingjiang Mitsubishi Hvac Machinery Manufacturing Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-26
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a be used for oil well head to seal hanger, concretely relates to oil development technical field, including the hanger main part, the hanger main part includes solid fixed ring and a plurality of company pipe, just even the fixed upper and lower both ends at solid fixed ring of intercommunication of the one end of pipe, the bottom fixedly connected with fixed block of solid fixed ring inner wall, the inside joint of fixed block has the fastener, the inside both sides fixedly connected with separation blade of fixed block, just the bottom laminating of separation blade is on the both sides surface of fastener, the top fixedly connected with stabilizing block of fastener. The utility model discloses having strengthened the inside sealing performance and the stability of device, having reduced and rocking, still having improved the connection power of hanger and other devices, being convenient for connect fixedly to hang and transport, reduce the range of vibration of junction, still reduced because of rocking the wearing and tearing that cause, guarantee that sealed effect is better, increased life.

Description

Be used for sealed hanger of oil well head

Technical Field

The utility model relates to an oil development technical field, more specifically say, the utility model relates to a be used for sealed hanger of oil well head.

Background

During the process of oil exploitation, the wellhead of an oil well is provided with a hanger, and the hanger is an essential device during the oil exploitation.

However, in actual use, the hanger has a general sealing property and a general connecting property, and a large shaking range in use is likely to cause abrasion or the like, so that the sealing effect is general.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a hanger for sealing a petroleum wellhead to solve the problems proposed in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hanger for sealing an oil well mouth comprises a hanger main body, wherein the hanger main body comprises a fixing ring and a plurality of connecting pipes, one ends of the connecting pipes are fixedly communicated with the upper end and the lower end of the fixing ring, the bottom of the inner wall of the fixing ring is fixedly connected with a fixing block, a clamping piece is clamped inside the fixing block, two sides inside the fixing block are fixedly connected with a blocking piece, the bottom of the blocking piece is attached to the surfaces of two sides of the clamping piece, the top of the clamping piece is fixedly connected with a stabilizing block, one side of the stabilizing block is fixedly connected with a clamping rod, the inner walls of the fixing ring and the connecting pipes are fixedly connected with a sealing barrel, one end, away from the stabilizing block, of the clamping rod is clamped inside the sealing barrel, the inner thread of the sealing barrel is connected with a communicating inner pipe, the inside of the communicating inner pipe is fixedly connected with a plurality of supporting blocks, and the top of the supporting blocks is fixedly connected with a sealing ring, the bottom of the sealing ring is fixedly communicated with a flow pipe, the flow pipe is positioned between the supporting blocks, and the outer surface of the top of the communicating inner pipe is fixedly sleeved with a fixing device.

Further, fixing device is including fixed cup joint go-between and the gasket at intercommunication inner tube top surface, just the gasket is located the below of go-between, the equal fixedly connected with in both sides of go-between and gasket links the piece, just the inside threaded connection who links the piece has the bolt.

Furthermore, the inner part of the sealing barrel is fixedly connected with an anti-shaking soft layer, one side of the anti-shaking soft layer, which is far away from the stabilizing block, is fixedly connected with a plurality of teeth, and the teeth are attached to the outer surface of the communicated inner tube.

Furthermore, a plurality of thread grooves are formed in the top end of the connecting ring.

Furthermore, a gasket is arranged inside the connecting pipe, the bottom of the gasket is fixedly communicated with the top of the sealing cylinder, and the inside of the gasket is sleeved on the surface of the communicating inner pipe.

Further, the inside of the fixed ring is filled with sealing filler.

Furthermore, a plurality of flow guide grooves are formed in the top of the communicating inner pipe.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, through setting up the intercommunication inner tube, a sealed section of thick bamboo and firm piece etc, the inside sealing performance and the stability of device have been strengthened, the reduction is rocked, still improved the connector force of hanger and other devices, it is fixed to be convenient for connect, thereby hang and transport, set up fixing device, mutually support together with the thread groove, when having improved the connectivity with other devices, effectively fix the intercommunication inner tube, slow down rocking of intercommunication inner tube, the stability of device has been strengthened, reduce the leakage of profit, sealing performance is improved.

2. Compared with the prior art, through setting up and preventing shaking soft layer and tooth, not only reduce the vibration amplitude of junction, still reduced because of rocking the wearing and tearing that cause, it is better to guarantee sealed effect, has increased life, sets up guiding gutter and flow tube, and the oil transportation of being convenient for sets up packing ring, sealing washer and sealed stopping, has effectively improved the leakproofness of device, further protects the device.

Drawings

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

Fig. 2 is a schematic view of the cross-sectional structure of the present invention.

Fig. 3 is a schematic view of the specific section structure of the fixing device of the present invention.

Fig. 4 is a schematic view of the local enlarged structure at a position of the present invention.

Fig. 5 is a schematic diagram of the local enlarged structure at the position B of the present invention.

The reference signs are: 1. a hanger body; 2. a fixing ring; 3. connecting pipes; 4. a fixed block; 5. a fastener; 6. a baffle plate; 7. a stabilizing block; 8. a clamping rod; 9. a sealing cylinder; 10. the inner pipe is communicated; 11. a support block; 12. a seal ring; 13. a flow tube; 14. a connecting ring; 15. a gasket; 16. connecting the slices; 17. a bolt; 18. an anti-sloshing soft layer; 19. teeth; 20. a thread groove; 21. a gasket; 22. a diversion trench; 23. and sealing the filling material.

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.

As shown in attached figures 1-5, the hanger for sealing petroleum wellhead comprises a hanger main body 1, the hanger main body 1 comprises a fixing ring 2 and a plurality of connecting pipes 3, one end of each connecting pipe 3 is fixedly communicated with the upper end and the lower end of the fixing ring 2, the bottom of the inner wall of the fixing ring 2 is fixedly connected with a fixing block 4, a clamping piece 5 is clamped in the fixing block 4, two sides of the inside of the fixing block 4 are fixedly connected with a blocking piece 6, the bottom of the blocking piece 6 is attached to the surfaces of two sides of the clamping piece 5, the top of the clamping piece 5 is fixedly connected with a stabilizing block 7, one side of the stabilizing block 7 is fixedly connected with a clamping rod 8, the fixing ring 2 and the inner wall of each connecting pipe 3 are fixedly connected with a sealing cylinder 9, one end, far away from the stabilizing block 7, of the clamping rod 8 is clamped in the sealing cylinder 9, the inner thread of the sealing cylinder 9 is connected with a communicating inner pipe 10, and the inner part of the communicating inner pipe 10 is fixedly connected with a plurality of supporting blocks 11, the top fixedly connected with sealing washer 12 of supporting shoe 11, the fixed intercommunication in bottom of sealing washer 12 has flow tube 13, and flow tube 13 is located between the supporting shoe 11, the external fixed surface at intercommunication inner tube 10 top has cup jointed fixing device, intercommunication inner tube 10, a sealed section of thick bamboo 9 and firm piece 7 etc. have strengthened the inside sealing performance and the stability of device, the reduction is rocked, still improved the connector force of hanger and other devices, be convenient for connect fixedly, thereby hang and transport.

In a preferred embodiment, the fixing device comprises a connecting ring 14 and a gasket 15 fixedly sleeved on the outer surface of the top of the communication inner pipe 10, the gasket 15 is located below the connecting ring 14, both sides of the connecting ring 14 and the gasket 15 are fixedly connected with connecting pieces 16, and the inner threads of the connecting pieces 16 are connected with bolts 17 so as to be matched with the thread grooves 20, so that the connection performance with other devices is improved, meanwhile, the communication inner pipe 10 is effectively fixed, the shaking of the communication inner pipe 10 is reduced, the stability of the device is enhanced, the leakage of oil and water is reduced, and the sealing performance is improved.

In a preferred embodiment, the sealing cylinder 9 is fixedly connected with an anti-shaking soft layer 18, one side of the anti-shaking soft layer 18 far away from the stabilizing block 7 is fixedly connected with a plurality of teeth 19, and the teeth 19 are attached to the outer surface of the communicating inner tube 10, so that the vibration amplitude of the joint is reduced, the abrasion caused by shaking is reduced, the sealing effect is better, and the service life is prolonged.

In a preferred embodiment, the top end of the connection ring 14 is provided with a plurality of screw grooves 20 inside, so as to enhance the connection with other devices.

In a preferred embodiment, the connecting tube 3 is internally provided with a gasket 21, the bottom of the gasket 21 is fixedly communicated with the top of the sealing cylinder 9, and the inside of the gasket 21 is sleeved on the surface of the communication inner tube 10 so as to enhance the sealing performance of the device.

In a preferred embodiment, the top of the communication inner pipe 10 is opened with a plurality of channels 22 to facilitate oil transportation.

In a preferred embodiment, the interior of the fixing ring 2 is filled with a sealing filler 23, so as to effectively improve the sealing performance of the device and further protect the device.

The utility model discloses the theory of operation: accessible intercommunication inner tube 10 uses with threaded connection such as other devices, also can will communicate inner tube 10 and go-between 14 through thread groove 20 and connect, and simultaneously, sealed section of thick bamboo 9 can be dismantled with intercommunication inner tube 10 threaded connection and change maintenance etc, it further fixes and seals to communicate inner tube 10 to prevent shaking soft layer 18 and tooth 19 on the sealed section of thick bamboo 9, with packing ring 21 combined action, thereby avoid oil to leak, and fixed block 4, fastener 5 and firm piece 7 etc. further fix the firm with the junction of solid fixed ring 2 to sealed section of thick bamboo 9, the inside sealing washer 12 of intercommunication inner tube 10 further guarantees to communicate inner tube 10 and strengthens the leakproofness when being connected with other devices, the oil intercommunication is carried to the flow tube, the stability of sealing washer 12 and flow tube 13 is strengthened to supporting shoe 11, go-between 14 and gasket 15 are conveniently connected with other devices, be convenient for carry oil.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hanger for sealing an oil wellhead, comprising a hanger body (1), characterized in that: the hanger main body (1) comprises a fixing ring (2) and a plurality of connecting pipes (3), one end of each connecting pipe (3) is fixedly communicated with the upper end and the lower end of the corresponding fixing ring (2), the bottom of the inner wall of the fixing ring (2) is fixedly connected with a fixing block (4), a clamping piece (5) is clamped inside the fixing block (4), two sides of the inside of the fixing block (4) are fixedly connected with a blocking piece (6), the bottoms of the blocking pieces (6) are attached to the surfaces of the two sides of the clamping piece (5), the top of the clamping piece (5) is fixedly connected with a stabilizing block (7), one side of the stabilizing block (7) is fixedly connected with a clamping rod (8), the inner wall of the fixing ring (2) and the connecting pipe (3) is fixedly connected with a sealing barrel (9), one end, far away from the stabilizing block (7), of the clamping rod (8) is clamped inside the sealing barrel (9), and the inner communicating pipe (10) is connected with the inner thread of the sealing barrel (9), the inner portion of the communicating inner pipe (10) is fixedly connected with a plurality of supporting blocks (11), the top portions of the supporting blocks (11) are fixedly connected with sealing rings (12), the bottom portions of the sealing rings (12) are fixedly communicated with flow pipes (13), the flow pipes (13) are located between the supporting blocks (11), and fixing devices are fixedly sleeved on the outer surface of the top portions of the communicating inner pipe (10).

2. A hanger for a petroleum wellhead seal according to claim 1 and wherein: the fixing device comprises a connecting ring (14) and a gasket (15) which are fixedly sleeved on the outer surface of the top of the communicating inner tube (10), the gasket (15) is located below the connecting ring (14), two sides of the connecting ring (14) and the gasket (15) are fixedly connected with connecting pieces (16), and the inner threads of the connecting pieces (16) are connected with bolts (17).

3. A hanger for a petroleum wellhead seal according to claim 2, wherein: the anti-shaking soft layer (18) is fixedly connected to the inner portion of the sealing barrel (9), a plurality of teeth (19) are fixedly connected to one side, away from the stabilizing block (7), of the anti-shaking soft layer (18), and the teeth (19) are attached to the outer surface of the communicating inner pipe (10).

4. A hanger for a petroleum wellhead seal according to claim 3 and wherein: the top end of the connecting ring (14) is internally provided with a plurality of thread grooves (20).

5. A hanger for a petroleum wellhead seal according to claim 4 and wherein: the connecting pipe (3) is internally provided with a gasket (21), the bottom of the gasket (21) is fixedly communicated with the top of the sealing cylinder (9), and the gasket (21) is sleeved on the surface of the communicating inner pipe (10).

6. A hanger for a petroleum wellhead seal according to claim 5 and wherein: the top of the communicating inner pipe (10) is provided with a plurality of diversion trenches (22).

7. A hanger for a petroleum wellhead seal according to claim 6 and wherein: the interior of the fixing ring (2) is filled with sealing filler (23).