CN208669271U - A kind of simple ball-and-seat for underground sand-wash - Google Patents
A kind of simple ball-and-seat for underground sand-wash Download PDFInfo
- Publication number
- CN208669271U CN208669271U CN201821277627.1U CN201821277627U CN208669271U CN 208669271 U CN208669271 U CN 208669271U CN 201821277627 U CN201821277627 U CN 201821277627U CN 208669271 U CN208669271 U CN 208669271U
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- CN
- China
- Prior art keywords
- ball
- seat
- steel ball
- hole
- spherical groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of simple ball-and-seats for underground sand-wash, including valve body and steel ball, top connection is provided with above the valve body, and threaded connector is provided with above top connection, water inlet is provided on the inside of the top connection, and ball seat is provided with below water inlet, the ball seat is internally provided with through-hole, and through-hole is internally provided with diversion trench, spherical groove is provided with below the through-hole, and the medial surface of spherical groove is provided with gasket, the steel ball is located at the lower section of spherical groove, and the top of steel ball is provided with protrusion, spring is provided with above the steel ball, lower contact is provided with below the cavity, and water outlet is provided on the inside of lower contact.The simple ball-and-seat for being used for underground sand-wash is provided with spring, and in the use process of device, spring can be such that steel ball moves up under the action of the spring and automatically return to spherical groove after termination of pumping, liquid reflux is prevented, to reach the automatic control effect of ball-and-seat.
Description
Technical field
The utility model relates to valve technology field, specially a kind of simple ball-and-seat for underground sand-wash.
Background technique
It is frequently necessary to carry out underground sand-wash in the oil industry, is broken up shaft bottom sand plug with swiftly flowing liquid, and
Underground work scene generates pollution when positive sand washing changes single, to prevent liquid from flowing backwards, it is therefore desirable to a kind of control controlling flow direction
Easy device, and existing some ball-and-seats usually structure is complicated, be not easy to repeat mount and dismount, it is right in actual operation
Water flow is affected, and is not easy to operate with.
In view of the above-mentioned problems, carrying out innovative design on the basis of original ball-and-seat.
Utility model content
The purpose of this utility model is to provide a kind of simple ball-and-seats for underground sand-wash, to solve above-mentioned background skill
It is proposed that common ball-and-seat structure is complex in art, inconvenient for use, the problem of not being suitable for underground sand-wash.
To achieve the above object, the utility model provides the following technical solutions: a kind of simple single stream for underground sand-wash
Valve, including valve body and steel ball are provided with top connection above the valve body, and are provided with threaded connector above top connection,
It is provided with water inlet on the inside of the top connection, and is provided with ball seat below water inlet, being internally provided with for the ball seat is logical
Hole, and through-hole is internally provided with diversion trench, spherical groove is provided with below the through-hole, and the medial surface of spherical groove is provided with
Gasket, the steel ball is located at the lower section of spherical groove, and the top of steel ball is provided with protrusion, is provided with bullet above the steel ball
Spring, and cavity is provided with below steel ball, lower contact is provided with below the cavity, and water outlet is provided on the inside of lower contact
Mouthful.
Preferably, the side of the top connection and lower contact is provided with threaded connector, and top connection and lower contact are equal
It is weldedization structure with threaded connector.
Preferably, it is evenly distributed with diversion trench on the inside of the through-hole, and diversion trench is helical structure, and through-hole,
Diversion trench and ball seat are integrated.
Preferably, the outer diameter of the spherical groove be less than steel ball diameter, and the inner surface of spherical groove be evenly distributed with it is close
Packing.
Preferably, it is connected with each other between the steel ball and ball seat by spring, and the maximum activity stroke of steel ball is less than sky
The length of chamber.
Preferably, the protrusion and steel ball are integrated, and protrusion is conical structure, and protrusion, through-hole, ball
The central axes of shape slot and spring are mutually overlapped.
Compared with prior art, the utility model has the beneficial effects that this is used for the simple ball-and-seat of underground sand-wash,
1, it is provided with steel ball, cooperates spherical groove and gasket to use in the use process of device, is blocked convenient for steel ball logical
Hole, so that the folding of control valve, simple and practical in structure；
2, it is provided with spring, in the use process of device, spring can make steel ball under the action of the spring after termination of pumping
It moves up and automatically returns to spherical groove, liquid reflux is prevented, to reach the automatic control effect of ball-and-seat；
3, it is provided with diversion trench, the spiral shape diversion trench in the use process of device inside through-hole can be in order to entering well
The flowing of liquid is oriented to, and portion forms vortex in the device, convenient for the quick circulation of working fluid, so that the liquid in device flows
It is more smooth；
4, it is provided with protrusion, cooperates diversion trench to use in the use process of device, valve closure can not influenced
Meanwhile steel ball is effectively reduced to the resistance of water flow, reduce the impact force that steel ball is subject to, convenient for the quick circulation of working fluid.
Detailed description of the invention
Fig. 1 is the utility model front cross-sectional structural schematic diagram；
Fig. 2 is enlarged structure schematic diagram at a in the utility model Fig. 1；
Fig. 3 bows for the utility model and cuts open structural schematic diagram；
Fig. 4 is front cross-sectional structural schematic diagram when the utility model steel ball is mobile.
In figure: 1, valve body；2, top connection；3, threaded connector；4, water inlet；5, ball seat；6, through-hole；7, diversion trench；8,
Spherical groove；9, gasket；10, steel ball；11, raised；12, spring；13, cavity；14, lower contact；15, water outlet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of simple ball-and-seat for underground sand-wash,
Including valve body 1, top connection 2, threaded connector 3, water inlet 4, ball seat 5, through-hole 6, diversion trench 7, spherical groove 8, gasket 9, steel
Ball 10, protrusion 11, spring 12, cavity 13, lower contact 14 and water outlet 15, the top of valve body 1 are provided with top connection 2, and on connect
First 2 top is provided with threaded connector 3, and the inside of top connection 2 is provided with water inlet 4, and the lower section of water inlet 4 is provided with ball
Seat 5, ball seat 5 be internally provided with through-hole 6, and through-hole 6 is internally provided with diversion trench 7, and the lower section of through-hole 6 is provided with spherical groove
8, and the medial surface of spherical groove 8 is provided with gasket 9, steel ball 10 is located at the lower section of spherical groove 8, and the top of steel ball 10 is provided with
Protrusion 11, the top of steel ball 10 is provided with spring 12, and the lower section of steel ball 10 is provided with cavity 13, and the lower section of cavity 13 is provided with
Lower contact 14, and the inside of lower contact 14 is provided with water outlet 15.
The side of the top connection 2 and lower contact 14 of this example is provided with threaded connector 3, and top connection 2 and lower contact 14
It is weldedization structure with threaded connector 3, is used convenient for the connection of ball-and-seat and oil pipe.
The inside of through-hole 6 is evenly distributed with diversion trench 7, and diversion trench 7 is helical structure, and through-hole 6, diversion trench 7
It is integrated with ball seat 5, convenient for being oriented to the liquid flowing in through-hole 6, is conducive to the quick circulation of working fluid.
The outer diameter of spherical groove 8 is less than the diameter of steel ball 10, and the inner surface of spherical groove 8 is evenly distributed with gasket 9, just
Through-hole 6 is blocked in spherical groove 8 in steel ball 10, prevents liquid communication.
It is connected with each other between steel ball 10 and ball seat 5 by spring 12, and the maximum activity stroke of steel ball 10 is less than cavity 13
Length, convenient for after termination of pumping, make steel ball 10 it is automatic on be moved back into spherical groove 8, prevent liquid reflux.
Protrusion 11 and steel ball 10 are integrated, and protrusion 11 is conical structure, and protrusion 11, through-hole 6, spherical
The central axes of slot 8 and spring 12 are mutually overlapped, and convenient for the circulation of liquid, reduce resistance to water-flow.
Working principle: it when being used for the simple ball-and-seat of underground sand-wash using this, according to Fig. 1-3, is used in device
Before, whether intact, stop-leak compound is then applied at the screw thread of threaded connector 3, later again just if first checking for 3 screw thread of threaded connector
Device is connected through a screw thread the upper lower inlet that part 3 is connected to down-hole oil tube before sand washing, so as to begin to use, is being carried out just
During sand washing, liquid is entered by water inlet 4 in the through-hole 6 of ball seat 5, and the diversion trench 7 inside through-hole 6 can flow into water
Row guiding, so that liquid flowing is more uniform quickly, according to Fig.4, after liquid is by through-hole 6, in the effect of hydraulic pressure
Lower promotion steel ball 10 moves down, and steel ball 10 leaves spherical groove 8, and the cavity 13 that liquid passes through device is flowed by water outlet 15 later
Out, after termination of pumping, steel ball 10 under the action of spring 12 on be moved back into spherical groove 8 in ball seat 5, under the action of gasket 9,
Liquid reflux can be effectively prevented, to achieve the effect that control controlling flow direction, the content being not described in detail in this specification
Belong to the prior art well known to professional and technical personnel in the field.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of simple ball-and-seat for underground sand-wash, including valve body (1) and steel ball (10), it is characterised in that: the valve body
(1) it is provided with above top connection (2), and is provided with threaded connector (3) above top connection (2), the top connection (2)
Inside is provided with water inlet (4), and ball seat (5) are provided with below water inlet (4), and being internally provided with for the ball seat (5) is logical
Hole (6), and through-hole (6) is internally provided with diversion trench (7), is provided with spherical groove (8) below the through-hole (6), and spherical
The medial surface of slot (8) is provided with gasket (9), and the steel ball (10) is located at the lower section of spherical groove (8), and the top of steel ball (10)
It is provided with raised (11), is provided with spring (12) above the steel ball (10), and be provided with cavity below steel ball (10)
(13), it is provided with lower contact (14) below the cavity (13), and is provided with water outlet (15) on the inside of lower contact (14).
2. a kind of simple ball-and-seat for underground sand-wash according to claim 1, it is characterised in that: the top connection
(2) it is provided with threaded connector (3) with the side of lower contact (14), and top connection (2) and lower contact (14) connect with screw thread
Fitting (3) is weldedization structure.
3. a kind of simple ball-and-seat for underground sand-wash according to claim 1, it is characterised in that: the through-hole (6)
Inside be evenly distributed with diversion trench (7), and diversion trench (7) is helical structure, and through-hole (6), diversion trench (7) and ball seat
(5) it is integrated.
4. a kind of simple ball-and-seat for underground sand-wash according to claim 1, it is characterised in that: the spherical groove
(8) outer diameter is less than the diameter of steel ball (10), and the inner surface of spherical groove (8) is evenly distributed with gasket (9).
5. a kind of simple ball-and-seat for underground sand-wash according to claim 1, it is characterised in that: the steel ball (10)
It is connected with each other between ball seat (5) by spring (12), and the maximum activity stroke of steel ball (10) is less than the length of cavity (13).
6. a kind of simple ball-and-seat for underground sand-wash according to claim 1, it is characterised in that: the protrusion (11)
It is integrated with steel ball (10), and raised (11) are conical structure, and raised (11), through-hole (6), spherical groove (8)
It is mutually overlapped with the central axes of spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277627.1U CN208669271U (en) | 2018-08-09 | 2018-08-09 | A kind of simple ball-and-seat for underground sand-wash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277627.1U CN208669271U (en) | 2018-08-09 | 2018-08-09 | A kind of simple ball-and-seat for underground sand-wash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669271U true CN208669271U (en) | 2019-03-29 |
Family
ID=65835863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821277627.1U Expired - Fee Related CN208669271U (en) | 2018-08-09 | 2018-08-09 | A kind of simple ball-and-seat for underground sand-wash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208669271U (en) |
-
2018
- 2018-08-09 CN CN201821277627.1U patent/CN208669271U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20210809 |