CN218971152U - Sealing and fastening blowout preventer - Google Patents

Abstract

The utility model discloses a blowout preventer with sealing fastening, which belongs to the field of blowout preventers, and comprises a device shell, a lubricator, a chute, a hydraulic press and a flashboard, wherein connecting blocks are fixedly connected to the upper end and the lower end of the periphery of the outer side wall of the device shell, threaded holes are uniformly formed in the periphery of the connecting blocks, threaded grooves are formed in the periphery of the lubricator, which are positioned on the upper surface and the lower surface of the device shell, a flange connecting pipe is connected to the inner threads of the threaded grooves, a threaded wall matched with the threaded grooves is arranged on the outer side wall of the flange connecting pipe, and the flange connecting pipe is connected to the threaded grooves through the threaded walls; through the cooperation of device shell, lubricator, spout, hydraulic press, flashboard, connecting block, screw hole, screw groove, flange connecting pipe and screw wall, when single device damages, can dismantle the back to the device and change alone, and then when guaranteeing the device and place the effect of spouting, effectively reduce device use cost.

Description

Sealing and fastening blowout preventer

Technical Field

The utility model belongs to the technical field of blowout preventers, and particularly relates to a blowout preventer with sealing and fastening functions.

Background

The blowout preventer is used for closing a wellhead in the operation processes of oil testing, well repairing, well completion and the like, so as to prevent blowout accidents, combines the full sealing function and the half sealing function into a whole, has the characteristics of simple structure, easy operation, high pressure resistance and the like, and is a safety sealing wellhead device for preventing blowout commonly used in oil fields.

Most of existing blowout preventers use double-layer blowout preventers, but after a single flashboard in the double-layer blowout preventers is damaged, the whole blowout preventers need to be detached and replaced, and replacement cost is high.

Disclosure of Invention

The utility model aims to provide a blowout preventer with sealing and fastening, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a blowout preventer of sealed fastening, includes the device shell, the lubricator has been seted up to the inside of device shell, the spout has all been seted up to the both sides of device shell inside wall, one side that the lubricator was kept away from to the spout inside wall all is provided with the hydraulic press, the output fixedly connected with of hydraulic press and spout looks adaptation flashboard, the equal fixedly connected with connecting block in upper and lower both ends all around of device shell lateral wall, the screw hole has evenly been seted up around the connecting block, the screw groove has all been seted up around device shell upper surface and lower surface are located the lubricator, the inside threaded connection of screw groove has the flange connecting pipe, the lateral wall of flange connecting pipe is provided with the screw wall with screw groove looks adaptation, the flange connecting pipe passes through screw wall threaded connection in the screw groove.

As a preferred implementation mode, the periphery of the upper surface of the device shell is fixedly connected with an annular sealing ring, and the periphery of the lower surface of the device shell is fixedly connected with an annular sealing groove matched with the annular sealing ring.

As a preferred implementation mode, slots are uniformly formed in one side, far away from the hydraulic machine, of one flashboard, and cutting matched with the slots are uniformly arranged on one side, close to the slots, of the other flashboard.

As a preferable implementation mode, the baffle plates are fixedly connected to the periphery of one side of the inner side wall of the chute.

As a preferable implementation mode, a sealing gasket is fixedly connected to one side of the annular sealing ring, which is close to the annular sealing groove, and one side of the annular sealing groove, which is close to the annular sealing ring.

As a preferred embodiment, the side of the inner side wall of the slot, which is far away from the cutting, is provided with a rubber buffer pad.

Compared with the prior art, the utility model has the beneficial effects that:

this sealed blowout preventer of fastening, through the device shell, the lubricator, the spout, the hydraulic press, the flashboard, the connecting block, the screw hole, the screw groove, flange connecting pipe and screw wall's cooperation, when using, dismantle all flange connecting pipes earlier, after accomplishing, pile up the device shell and place, pile up the back of placing, threaded hole internal thread that sets up in two adjacent connecting blocks is connected into the split bolt, and then fix adjacent device shell, wait to install the completion back at the device shell, screw groove at the device shell upper surface of top and screw groove of device shell lower surface of below go into the flange connecting pipe through screw wall threaded connection, connect oil pipe in flange connecting pipe of top and below through flange connecting pipe again, make oil pipe and device communicate, when the device needs to prevent spouting, the hydraulic press drives the flashboard and moves to keeping away from hydraulic press one side, until two flashboard butt each other, and then seal up the lubricator, and then make the device can be through pile up the installation device shell in order improving the device blowout prevention effect when single device damages, can change the device after dismantling alone, and then guarantee to place and spout the effect and effectively reduce the cost of using the device.

This sealed blowout preventer of fastening, through the setting of ring seal and annular seal groove, after the installation of device shell is accomplished, ring seal peg graft in annular seal groove, and then seal the butt department of two adjacent device shells, effectively improve full-time leakproofness.

Drawings

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

FIG. 2 is a schematic side cross-sectional view of the present utility model;

fig. 3 is a schematic top cross-sectional view of the present utility model.

In the figure: 1. a device housing; 2. lubricator; 3. a chute; 4. a hydraulic press; 5. a flashboard; 6. a connecting block; 7. a threaded hole; 8. a thread groove; 9. a flange connecting pipe; 10. a threaded wall; 11. an annular seal ring; 12. an annular seal groove; 13. a slot; 14. cutting; 15. a baffle; 16. a sealing gasket; 17. rubber cushion pad.

Detailed Description

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-3, the utility model provides a blowout preventer with tight sealing, which comprises a device housing 1, a lubricator 2 is arranged in the device housing 1, sliding grooves 3 are respectively arranged on two sides of the inner side wall of the device housing 1, a hydraulic press 4 is respectively arranged on one side of the inner side wall of the sliding grooves 3 far away from the lubricator 2, an output end of the hydraulic press 4 is fixedly connected with a flashboard 5 matched with the sliding grooves 3, connecting blocks 6 are respectively fixedly connected to the upper end and the lower end of the periphery of the outer side wall of the device housing 1, threaded holes 7 are uniformly arranged on the periphery of the connecting blocks 6, threaded grooves 8 are respectively arranged on the upper surface and the lower surface of the device housing 1 and the periphery of the lubricator 2, flange connecting pipes 9 are respectively connected to the inner surfaces of the threaded grooves 8, when all flange connecting pipes 9 are dismounted, after the device housing 1 is stacked and placed, after the stacking and placing, the two connecting pipes 7 are respectively connected to a split bolt in the threaded holes 7 arranged in the inner side of the adjacent connecting blocks 6, the outer side walls of the flange 9 are respectively fixedly connected with connecting blocks 10, the flange 9 is connected to the threaded walls 10 through the threaded walls 10, and the flange connecting pipes 9 are connected to the flange connecting pipes 4 through the flanges 5 in the threaded grooves 5 in the mode, and when the flange connecting pipes 9 are required to be connected to the upper side of the flange connecting pipes 2 and the flange connecting pipes 2 through the flange connecting pipes 2.

Further, all around the equal fixedly connected with ring seal 11 of device shell 1 upper surface, all around the equal fixedly connected with of device shell 1 lower surface with ring seal 12 of ring seal 11 looks adaptation, after device shell 1 installs the completion, ring seal 11 peg graft in ring seal 12, and then seal the butt department of two adjacent device shells 1, effectively improve full-time leakproofness.

Further, slot 13 has evenly been seted up to one of them flashboard 5 one side of keeping away from hydraulic press 4, and another flashboard 5 is close to slot 13 one side evenly be provided with slot 13 looks adaptation's cutting 14, through the setting of slot 13 and cutting 14, when two flashboard 5 butt each other, cutting 14 peg graft in slot 13, and then further improve the leakproofness when the device blowout prevention.

Further, all around all fixedly connected with baffle 15 of spout 3 inside wall one side, through the setting of baffle 15, when the device does not need to prevent spouting, hydraulic press 4 drives flashboard 5 to baffle 15 removal until flashboard 5 butt baffle 15, and then can avoid as far as possible when the device does not need to prevent spouting, the oil body flows to contact hydraulic press 4 through spout 3, leads to hydraulic press 4 to take place to damage because of soaking for a long time.

Further, the sealing gasket 16 is fixedly connected to one side of the annular sealing ring 11, which is close to the annular sealing groove 12, and one side of the annular sealing groove 12, which is close to the annular sealing ring 11, and the sealing property between the annular sealing ring 11 and the annular sealing groove 12 can be further improved through the arrangement of the sealing gasket 16.

Further, the side of the inner side wall of the slot 13 far away from the cutting 14 is provided with the rubber buffer pad 17, and the damage to the flashboard 5 and the hydraulic machine 4 caused by overlarge impact force when the cutting 14 and the slot 13 move in the opposite direction can be avoided as much as possible through the arrangement of the rubber buffer pad 17.

The working principle and the using flow of the utility model are as follows: firstly, when using, dismantle all flange connecting pipes 9 earlier, after dismantling and accomplish, pile up the device shell 1 and place, pile up and place the back, screw hole 7 internal thread that sets up at two adjacent connecting blocks 6 is connected into the split bolt, and then fix adjacent device shell 1, wait after device shell 1 installs and accomplish, screw thread groove 8 at the device shell 1 upper surface of top and the screw thread groove 8 of device shell 1 lower surface of below connect into flange connecting pipe 9 through the screw thread wall 10, connect oil pipe through flange connecting pipe 9 in top and below flange connecting pipe 9 again, make oil pipe and device communicate, when the device needs to prevent spouting, hydraulic press 4 drives flashboard 5 to keeping away from hydraulic press 4 one side and removes, until two flashboard 5 mutual butt, and then seal lubricator 2, through the setting of slot 13 and cutting 14, when two flashboard 5 butt each other, cutting 14 peg graft in slot 13 in, and further improve the leakproofness when preventing spouting of device, setting up through rubber cushion pad, can avoid cutting 14 and slot 13 to remove as far as possible and the impact force is done to the device 1, seal groove 1 is in the annular seal groove 1 is followed to the fact to the device is sealed to the adjacent device 1, seal groove 1 is sealed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A seal-tight blowout preventer comprising a device housing (1), characterized in that: the anti-blowout pipe (2) has been seted up to the inside of device shell (1), spout (3) have all been seted up to the both sides of device shell (1) inside wall, one side that anti-blowout pipe (2) was kept away from to spout (3) inside wall all is provided with hydraulic press (4), the output fixedly connected with of hydraulic press (4) and flashboard (5) of spout (3) looks adaptation, the equal fixedly connected with connecting block (6) in upper and lower both ends all around of device shell (1) lateral wall, screw hole (7) have evenly been seted up around connecting block (6), threaded groove (8) have all been seted up around device shell (1) upper surface and lower surface are located anti-blowout pipe (2), the inside threaded connection of threaded groove (8) has flange connecting pipe (9), the lateral wall of flange connecting pipe (9) is provided with screw wall (10) with screw groove (8) looks adaptation, flange connecting pipe (9) are through screw thread wall (10) in screw groove (8).

2. The seal-tightened blowout preventer of claim 1, wherein: the device is characterized in that annular sealing rings (11) are fixedly connected to the periphery of the upper surface of the device shell (1), and annular sealing grooves (12) matched with the annular sealing rings (11) are fixedly connected to the periphery of the lower surface of the device shell (1).

3. The seal-tightened blowout preventer of claim 1, wherein: one of the flashboards (5) is uniformly provided with slots (13) on one side far away from the hydraulic press (4), and the other flashboard (5) is uniformly provided with cutting bars (14) matched with the slots (13) on one side close to the slots (13).

4. The seal-tightened blowout preventer of claim 1, wherein: baffle plates (15) are fixedly connected to the periphery of one side of the inner side wall of the sliding groove (3).

5. The seal-tightened blowout preventer of claim 2, wherein: and a sealing gasket (16) is fixedly connected to one side of the annular sealing ring (11) close to the annular sealing groove (12) and one side of the annular sealing groove (12) close to the annular sealing ring (11).

6. The seal-tightened blowout preventer of claim 3, wherein: one side of the inner side wall of the slot (13) far away from the cutting (14) is provided with a rubber buffer pad (17).

Images