CN207750061U - Well mouth check valve - Google Patents
Well mouth check valve Download PDFInfo
- Publication number
- CN207750061U CN207750061U CN201721886047.8U CN201721886047U CN207750061U CN 207750061 U CN207750061 U CN 207750061U CN 201721886047 U CN201721886047 U CN 201721886047U CN 207750061 U CN207750061 U CN 207750061U
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- China
- Prior art keywords
- pipe
- trepanning
- tube body
- cylinder
- chock plug
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Abstract
The utility model is related to arrive valve body field, and in particular to arrive well mouth check valve.Including transverse pipe, the left end of transverse pipe is provided with lower end cap, lower end cap right end is connected with screen pipe, it is provided with above transverse pipe and is connected to chock plug seat with transverse pipe, lower trepanning and upper trepanning are provided in chock plug seat, upper trepanning is in reverse frustoconic, it is provided with tube body above chock plug seat, bottom of the pipe is internally provided with blocking head, the lower part outer rim for blocking head is provided with the conical surface in sealing contact with the hole wall of upper trepanning, lower end of the guide rod is connect with head thread is blocked, the bottom plate of guide rod and cylinder is slidably connected, guide rod upper end in cylinder is provided with block, the outlet pipe being connected to tube body is provided on tube wall.The utility model, it is simple in structure, it is easy to operate, the water being injected into well can be filtered, while preventing the water being injected into well when stopping note is counter from spitting to ground pump station.
Description
Technical field
The utility model is related to arrive valve body field, and in particular to arrive well mouth check valve.
Background technology
Since the water injection well strata pressure having is high, when stopping note for some reason, the water being injected into stratum will return discharge, and
With waterflood-transmission line, earthward pumping plant flows back, and water filling layer spits that flow in process is big, and flow velocity is fast returning, and stratum generates excitement, and being easy will
Reservoir sand is carried out, and sand is caused to bury water injection string, be allowed to cannot water filling again, stratum water injection rate reduce, influence oil well oil-producing
Amount.Existing ball-and-seat can not filter out the impurity in water simultaneously.
Utility model content
The technical problem to be solved by the utility model is to carry out being filtered the water in injection well, while energy
When enough preventing from stopping note, the anti-well mouth check valve spat of water that is injected into well.
To achieve the goals above, technical solution provided by the utility model is：
Well mouth check valve, including transverse pipe, the left end of transverse pipe be provided with it be threadedly coupled by seal pipe it is lower stifled
Head is provided with lower fixed link on lower end cap right side, screen pipe is threaded in lower fixed link, has been uniformly arranged on screen pipe
Multiple filter hole are provided with the baffle ring that the inner tubal wall of outer rim and transverse pipe is slidingly sealed, transverse pipe in the right end outer rim of screen pipe
Tube wall on the upside of be provided with the second osculum, the chock plug seat being welded to connect with transverse pipe, chock plug seat are provided with above transverse pipe
Inside it is provided with the lower trepanning of the coaxial heart and upper trepanning, upper trepanning is in reverse frustoconic, and upper trepanning and lower trepanning are and second row
Water hole is concentric, and upper trepanning and lower trepanning penetrate through chock plug seat, and the tube body concentric with chock plug seat is provided with above chock plug seat,
Bottom of the pipe is fixedly connected with chock plug seat upper end, and bottom of the pipe is internally provided with blocking head, and the lower part outer rim for blocking head is provided with
The conical surface in sealing contact with the hole wall of upper trepanning is threaded with upper plug head, upper plug head inside the upper end of tube body by seal pipe
Lower face be provided with the upper fixed link of the coaxial heart, the cylinder of upper end opening is threaded in upper fixed link, with tube body
Concentric lower end of the guide rod with block head thread connect, guide rod upper end pass through cylinder bottom plate after extend in cylinder, guide rod and
The bottom plate of cylinder is slidably connected, and the guide rod upper end in cylinder is provided with block, and is provided on the tube wall below upper plug head
One osculum is provided with the outlet pipe concentric with the first osculum on the side wall of tube body, and outlet pipe is fixedly connected with tube body.
Specifically, being uniformly arranged multiple first through hole on the tube wall of the cylinder, it has been uniformly arranged on the bottom plate of cylinder
Multiple second through-holes.
Specifically, the bottom of the pipe is welded and fixed after being connect with chock plug seat threaded upper ends.
Specifically, the outlet pipe is welded on tube body.
Compared with prior art, the beneficial effects of the utility model are：
The utility model, it is simple in structure, it is easy to operate, the water being injected into well can be filtered, while preventing from working as
The water that is injected into well is anti-when stopping note spits to ground pump station.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Parts title in attached drawing is：
1, tube body, 2, chock plug seat, 3, transverse pipe, 4, lower end cap, 5, fixed link, 6, screen pipe, 7, block head, 8, guide rod,
9, cylinder, 10, outlet pipe, 11, upper plug head, 12, first through hole, the 13, second through-hole, 14, block, 15, lower trepanning, 16, on open
Hole, the 17, first osculum, 18, filter hole, the 19, second osculum, 20, upper fixed link, 21, baffle ring.
Specific implementation mode
As shown in Figure 1, well mouth check valve, including transverse pipe 3, the left end of transverse pipe 3 is provided with passes through seal pipe spiral shell with it
The lower end cap 4 of line connection, is provided with lower fixed link 5 on 4 right side of lower end cap, screen pipe 6 is threaded in lower fixed link 5,
It has been uniformly arranged multiple filter hole 18 on screen pipe 6, the inner tube of outer rim and transverse pipe 3 is provided in the right end outer rim of screen pipe 6
The baffle ring 21 that wall is slidingly sealed, is provided with the second osculum 19 on the upside of the tube wall of transverse pipe 3, the top of transverse pipe 3 be provided with
The chock plug seat 2 that transverse pipe 3 is welded to connect is provided with lower trepanning 15 and the upper trepanning 16 of the coaxial heart, upper trepanning in chock plug seat 2
16 be in reverse frustoconic, and upper trepanning 16 and lower trepanning 15 are concentric with the second osculum 19, and upper trepanning 16 and lower trepanning 15 will
Chock plug seat 2 penetrates through, and 2 top of chock plug seat is provided with the tube body 1 concentric with chock plug seat 2, and 1 lower end of tube body is solid with 2 upper end of chock plug seat
Fixed connection, 1 lower end of the tube body is welded and fixed after being connect with 2 threaded upper ends of chock plug seat.
1 lower end of tube body be internally provided with block head 7, block head 7 lower part outer rim be provided with it is close with the hole wall of upper trepanning 16
The tactile conical surface of sealing-in blocks 7 conical surface of head and the hole wall of upper trepanning 16 passes through surfacing, grinding has higher wearability and bright and clean
Degree, good airproof performance and durable.Upper plug head 11, the lower end of upper plug head 11 are threaded with by seal pipe inside the upper end of tube body 1
Face is provided with the upper fixed link 20 of the coaxial heart, and the cylinder 9 of upper end opening, the cylinder are threaded in upper fixed link 20
It has been uniformly arranged multiple first through hole 12 on 9 tube wall, multiple second through-holes 13 have been uniformly arranged on the bottom plate of cylinder 9.With pipe
Concentric 8 lower end of guide rod of body 1 is threadedly coupled with head 7 is blocked, and 8 upper end of guide rod extends to cylinder 9 after the bottom plate of cylinder 9
Interior, guide rod 8 and the bottom plate of cylinder 9 are slidably connected, and 8 upper end of guide rod in cylinder 9 is provided with block 14, the pipe of 11 lower section of upper plug head
It is provided with the first osculum 17 on 1 side wall of body, the outlet pipe concentric with the first osculum 17 is provided on the side wall of tube body 1
10, outlet pipe 10 is fixedly connected with tube body 1, and the outlet pipe 10 is welded on tube body 1.
When the normal water filling of well mouth check valve, flow is entered by 3 right end of transverse pipe of ball-and-seat in ball-and-seat, and water flows through filtering
Pipe 6 is filtered, and screen pipe 6 can remove the particulate matter of solid in water, prevent it to be injected into well and block oil pipe.Because stifled
The lower part outer rim of chock plug 7 is provided with the conical surface in sealing contact with the hole wall of upper trepanning 16, therefore water injection pressure can be relied on open-top stifled
Chock plug 7, when water so that blocking head 7 moves upwards, while guide rod 8 can be moved into cylinder 1.Water blocks first 7 and upper trepanning through going out
It is filled in well by outlet pipe 10 behind gap between 16 hole walls.Head 7 is blocked when stopping note to fall under the effect of gravity, blocks head
The conical surface and the hole wall of upper trepanning 16 on 7 is in sealing contact, and the water in well, which counter will not spue, at this time comes.
When needing to clear up or replace blocking head 7 inside import ball-and-seat, unscrewing upper plug head 11 can will be blocked by guide rod 8
First 7 take out of, and are replaced, while clearing up cylinder 9, unscrew lower end cap 4 and take screen pipe 6 out of, then can be to mistake
Chimney filter 6 is cleaned.First through hole 12 and the second through-hole 13 on cylinder 9 enable to water to pass through, and prevent cylinder 9 from hindering water
Flow velocity.When water jet propulsion blocking head 7 moves upwards, being slidably matched for 9 bottom plate of guide rod 8 and cylinder enables to block head 7 always
Vertical up-or-down movement, when stopping note, block the conical surface and the upper trepanning 16 of head 7 hole wall can accurate fitted seal, structure is more
Stablize.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (4)
1. well mouth check valve, including transverse pipe (3), which is characterized in that the left end of transverse pipe (3) is provided with passes through seal pipe with it
The lower end cap (4) of threaded connection is provided with lower fixed link (5) on lower end cap (4) right side, is threadedly coupled on lower fixed link (5)
There is screen pipe (6), multiple filter hole (18) have been uniformly arranged on screen pipe (6), is provided in the right end outer rim of screen pipe (6) outer
The tube wall upside of the baffle ring (21) that edge and the inner tubal wall of transverse pipe (3) are slidingly sealed, transverse pipe (3) is provided with the second osculum
(19), the chock plug seat (2) being welded to connect with transverse pipe (3) is provided with above transverse pipe (3), be provided in chock plug seat (2) with
Its concentric lower trepanning (15) and upper trepanning (16), upper trepanning (16) are in reverse frustoconic, upper trepanning (16) and lower trepanning (15)
It is concentric with the second osculum (19), and upper trepanning (16) and lower trepanning (15) penetrate through chock plug seat (2), on chock plug seat (2)
Side is provided with the tube body (1) concentric with chock plug seat (2), and tube body (1) lower end is fixedly connected with chock plug seat (2) upper end, tube body (1)
Lower end be internally provided with block head (7), block head (7) lower part outer rim be provided with it is in sealing contact with the hole wall of upper trepanning (16)
The conical surface is threaded with upper plug head (11) inside the upper end of tube body (1) by seal pipe, and the lower face of upper plug head (11) is provided with
The upper fixed link (20) of the coaxial heart is threaded with the cylinder (9) of upper end opening on upper fixed link (20), with tube body (1)
Concentric guide rod (8) lower end is threadedly coupled with head (7) is blocked, and guide rod (8) upper end extends to cylinder after the bottom plate of cylinder (9)
In body (9), guide rod (8) and the bottom plate of cylinder (9) are slidably connected, and guide rod (8) upper end in cylinder (9) is provided with block (14),
It is provided with the first osculum (17) on tube body (1) side wall below upper plug head (11), is provided on the side wall of tube body (1) and first
The concentric outlet pipe (10) of osculum (17), outlet pipe (10) are fixedly connected with tube body (1).
2. well mouth check valve according to claim 1, which is characterized in that be uniformly arranged on the tube wall of the cylinder (9) more
A first through hole (12) has been uniformly arranged multiple second through-holes (13) on the bottom plate of cylinder (9).
3. well mouth check valve according to claim 1, which is characterized in that tube body (1) lower end and chock plug seat (2) upper end spiral shell
It is welded and fixed after line connection.
4. well mouth check valve according to claim 1, which is characterized in that the outlet pipe (10) is welded on tube body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886047.8U CN207750061U (en) | 2017-12-29 | 2017-12-29 | Well mouth check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886047.8U CN207750061U (en) | 2017-12-29 | 2017-12-29 | Well mouth check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750061U true CN207750061U (en) | 2018-08-21 |
Family
ID=63149913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886047.8U Active CN207750061U (en) | 2017-12-29 | 2017-12-29 | Well mouth check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593813A (en) * | 2019-09-11 | 2019-12-20 | 望远 | Sand removing manifold and sand-containing oil gas treatment method |
-
2017
- 2017-12-29 CN CN201721886047.8U patent/CN207750061U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593813A (en) * | 2019-09-11 | 2019-12-20 | 望远 | Sand removing manifold and sand-containing oil gas treatment method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |