CN214221142U

CN214221142U - Novel double-injection water seal hole device

Info

Publication number: CN214221142U
Application number: CN202021325822.4U
Authority: CN
Inventors: 周春雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-09-17
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a novel two water injection hole sealers, including a hole packer, hole packer one side is provided with No. two hole packers, through core pipe fixed connection between a hole packer and No. two hole packers, all seted up big apopore on hole packer and No. two hole packer inside core pipes, seted up little apopore on the core pipe between a hole packer and No. two hole packers, the fixed water injection that is provided with of hole packer one end connects, the water injection connects with the fixed welding of core pipe, the one end that the water filling port was kept away from to the water injection joint is provided with the expansion rubber pipe, through lock pipe iron sheet fixed connection between water injection joint and the expansion rubber pipe, the one end that the water injection connected is kept away from to the expansion rubber pipe is provided with the piston core, through lock pipe iron sheet fixed connection between piston core and the expansion rubber pipe. The novel double-injection water hole sealing device is simple in structure and convenient to operate, production cost is effectively reduced, and labor intensity of workers is reduced.

Description

Novel double-injection water seal hole device

Technical Field

The utility model belongs to the technical field of hole packer equipment, especially, relate to a novel two water injection hole packers.

Background

The hole packer is a sealing device for coal bed gas drainage and coal bed water injection drill hole orifices, and mainly comprises a gas drainage hole packer and a coal bed water injection hole packer. In the traditional method, the coal bed rock stratum is exploded by explosive, so that the explosive is too dangerous and potential safety hazards are easily caused. At present, people often use a hole packer to break coal, can effectively prevent coal and gas outburst and explosion, inject water under high pressure, break coal bodies, reduce initiating explosive products, reduce cost and increase the safety of workers. However, most of hole packers on the market are complex in structure and troublesome to operate, and the labor intensity of workers is increased while material resources are wasted. Therefore, a novel double-injection water sealing hole device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel two notes water seal hole wares aims at solving the above-mentioned problem that has the complicated inconvenient extravagant material of using of hole packer structure.

The utility model discloses a realize like this, a novel two water injection hole sealing ware, including a hole packer, a hole packer one side is provided with No. two hole packers, pass through core pipe fixed connection between a hole packer and No. two hole packers, all set up big apopore on the core pipe in a hole packer and No. two hole packers, set up little apopore on the core pipe between a hole packer and No. two hole packers, a hole packer one end is fixed and is provided with the water injection joint, the water injection joint is fixed with the core pipe and welds, the one end that the water injection joint kept away from the water injection port is provided with the expansion rubber pipe, through lock pipe iron sheet fixed connection between water injection joint and the expansion rubber pipe, the one end that the expansion rubber pipe kept away from the water injection joint is provided with the piston core, through lock iron sheet pipe fixed connection between piston core and the expansion rubber pipe, and a blocking core is arranged at one end of the second hole packer close to the first hole packer, and the blocking core is fixedly welded with the outer surface of the core pipe.

Preferably, the core tube can be disassembled into two parts, the tail end of one part is provided with a threaded head, the front end of the other part is provided with a threaded hole, and the middle end of the core tube is connected into a whole by internal and external threads.

Preferably, the inner wall of the iron sheet of the lock tube is fixedly provided with a bulge, and an inner hole of the movable head core is provided with a groove.

Preferably, one end, far away from the water injection joint, of the core pipe is welded and blocked.

Preferably, the first hole packer and the second hole packer are respectively provided with a clamping groove on the moving head core, an O-shaped ring is movably arranged in the clamping grooves, and the O-shaped ring is in sliding contact with the outer surface of the core pipe.

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

the utility model discloses the hole packer structure of old structure is compared to equipment is simpler, and a hole packer and No. two hole packers UNICOM's sharing core pipe have seted up big apopore and little apopore on the core pipe, effectively utilize the flow difference of big aperture to make a hole packer and No. two hole packers all expand, realize that both ends are sealed, continue the water injection until the pore wall by the fracture. The cost can be effectively reduced, the use and the operation are also simpler, only one water injection pump is needed to be connected for water injection, and the labor intensity of workers is effectively reduced. Meanwhile, the movable head cores of the first hole packer and the second hole packer are respectively provided with a clamping groove, an O-shaped ring is movably arranged in each clamping groove, and the O-shaped ring is in sliding contact with the outer surface of the core pipe to effectively seal and prevent water leakage at the positions.

Drawings

Fig. 1 is a sectional view of a front view of a novel double-injection water seal hole sealing device of the present invention;

fig. 2 is a schematic structural view of the joint of the expansion rubber tube, the piston core and the lock tube iron sheet of the novel double-injection water sealing hole sealing device of the present invention.

In the figure: 1. a first hole packer; 2. a second hole packer; 3. a water injection joint; 4. locking the pipe iron sheet; 5. an expansion rubber tube; 6. a movable head core; 7. blocking the core; 8. a small water outlet hole; 9. a large water outlet hole; 10. a screw head; 11. a protrusion; 12. a card slot; 1201. an O-shaped ring; 13. a threaded hole; 14. a groove; 15. a core tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-2, a novel double-injection hole sealing device comprises a first hole sealing device 1, a second hole sealing device 2 is arranged on one side of the first hole sealing device 1, the first hole sealing device 1 and the second hole sealing device 2 are fixedly connected through a core pipe 15, a large water outlet hole 9 is formed in each of the core pipes 15 inside the first hole sealing device 1 and the second hole sealing device 2, a small water outlet hole 8 is formed in each of the core pipes 15 between the first hole sealing device 1 and the second hole sealing device 2, a water injection joint 3 is fixedly arranged at one end of the first hole sealing device 1, the water injection joint 3 is fixedly welded with the core pipe 15, an expansion rubber pipe 5 is arranged at one end of the water injection joint 3 away from a water injection port, the expansion rubber pipe 3 is fixedly connected with the expansion rubber pipe 5 through a lock pipe iron sheet 4, and a piston head core 6 is arranged at one end of the expansion rubber pipe 5 away from the water injection joint 3, the movable core 6 is fixedly connected with the expansion rubber tube 5 through a lock tube iron sheet 4, one end of the second hole packer 2, which is close to the first hole packer 1, is provided with a dead blocking core 7, and the dead blocking core 7 is fixedly welded with the outer surface of the core tube 15.

The utility model discloses in core pipe 15 can be dismantled into two parts, and partly end is provided with screw thread head 10, and the other part front end is provided with screw hole 13, core pipe 15 middle-end is as an organic whole by interior external screw thread connection, and the transportation of being convenient for can be dismantled when not conveniently to use and deposit.

The utility model discloses in 4 fixed archs 11 that are provided with of lock pipe iron sheet inner walls, 6 holes of the core of living are seted up flutedly 14, effectively block expansion rubber tube 5, and when the water injection, lock pipe iron sheet 4 can effectively block expansion rubber tube 5 with the core of living 6, avoids expansion rubber tube 5 to drop.

The utility model discloses in the one end welding that water injection joint 3 was kept away from to core pipe 15 is stifled dead, prevents to go out water from here.

The utility model discloses in all be provided with draw-in groove 12 on the first core 6 of living of a hole packer 1 and No. two hole packers 2, the activity is provided with O type circle 1201 in the draw-in groove 12, O type circle 1201 and the 15 surface sliding contact of core pipe, effective sealed first core 6 of living and the 15 surface of core pipe prevent from leaking from here.

The utility model discloses a theory of operation is: during the use, at first send novel two water injection hole packer into coal seam rock stratum hole operating position, water injection joint 3 through a hole packer 1 is to the water injection in novel two water injection hole packer, a hole packer 1 and No. two hole packer 2 UNICOM share a core pipe 15, the rivers flow in core pipe 15, spout when through big apopore 9 and little apopore 8, drive the inflation rubber tube 5 inflation by big apopore 9 spun rivers, effectively utilize the flow difference of big aperture to make a hole packer 1 and No. two hole packer 2 all expand, realize both ends and seal, continue the water injection until the pore wall is fractured, it can to take out novel two water injection hole packer of pressure release after the work is accomplished.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a novel two water injection hole sealers, includes hole sealer (1), its characterized in that: a second hole packer (2) is arranged on one side of the first hole packer (1), the first hole packer (1) and the second hole packer (2) are fixedly connected through a core pipe (15), a large water outlet hole (9) is formed in each core pipe (15) inside the first hole packer (1) and the second hole packer (2), a small water outlet hole (8) is formed in each core pipe (15) between the first hole packer (1) and the second hole packer (2), a water injection joint (3) is fixedly arranged at one end of the first hole packer (1), the water injection joint (3) is fixedly welded with the core pipe (15), an expansion rubber pipe (5) is arranged at one end, away from a water injection port, of the water injection joint (3), the water injection joint (3) is fixedly connected with the expansion rubber pipe (5) through a lock pipe iron sheet (4), a piston head core (6) is arranged at one end, away from the water injection joint (3), of the expansion rubber pipe (5), the movable head core (6) is fixedly connected with the expansion rubber tube (5) through a lock tube iron sheet (4), one end, close to the first hole packer (1), of the second hole packer (2) is provided with a blocking core (7), and the blocking core (7) is fixedly welded with the outer surface of the core tube (15).

2. The novel double-injection water seal hole packer as claimed in claim 1, wherein: the core tube (15) can be disassembled into two parts, the tail end of one part is provided with a threaded head (10), the front end of the other part is provided with a threaded hole (13), and the middle end of the core tube (15) is connected into a whole by internal and external threads.

3. The novel double-injection water seal hole packer as claimed in claim 1, wherein: the inner wall of the lock tube iron sheet (4) is fixedly provided with a bulge (11), and an inner hole of the movable head core (6) is provided with a groove (14).

4. The novel double-injection water seal hole packer as claimed in claim 1, wherein: and one end of the core pipe (15) far away from the water injection joint (3) is welded and blocked.

5. The novel double-injection water seal hole packer as claimed in claim 1, wherein: the first hole packer (1) and the second hole packer (2) are respectively provided with a clamping groove (12) on the movable head core (6), an O-shaped ring (1201) is movably arranged in the clamping groove (12), and the O-shaped ring (1201) is in sliding contact with the outer surface of the core pipe (15).