CN218480181U - Single valve seat sand prevention valve for well mouth - Google Patents
Single valve seat sand prevention valve for well mouth Download PDFInfo
- Publication number
- CN218480181U CN218480181U CN202221658915.8U CN202221658915U CN218480181U CN 218480181 U CN218480181 U CN 218480181U CN 202221658915 U CN202221658915 U CN 202221658915U CN 218480181 U CN218480181 U CN 218480181U
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- valve
- seat
- sand control
- disk seat
- cover
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Abstract
The utility model discloses a well head is with single valve seat sand control valve, both sides disk seat seal chamber is equipped with the disk seat in the valve body, disk seat one side is equipped with the baffle, be equipped with ripples spring and disk seat bush in the disk seat opposite side, be equipped with the disk seat sealing washer between disk seat and valve body, be equipped with the valve plate between the disk seat, the valve plate top is equipped with valve rod nut, the valve rod nut top is equipped with the valve rod, the valve body top is equipped with the valve gap, be equipped with the steel ring between valve body and valve gap, be equipped with valve rod filler group and packing pressure cap in the valve gap, the valve rod upper end is equipped with the rotation cover, the lower extreme is equipped with thrust bearing on the rotation cover, be equipped with the round pin axle in the rotation cover, the valve gap top is equipped with the bearing frame, it is equipped with the hand wheel to rotate the cover top. The utility model provides a pair of well head is with single valve seat sand control valve uses on the well head device, and is sealed effectual behind the valve, and the sand control effect is stable.
Description
Technical Field
The utility model relates to a sand control valve technical field, concretely relates to well head is with single valve seat sand control valve.
Background
In working environments such as fracturing and acidizing of shale gas exploitation, a medium contains a large amount of mud, sand, cement and other mixtures, most of conventional flat valves are of a valve rear sealing structure and are not provided with sand control devices, in the valve opening and closing process of the structure, fine fracturing sand enters a valve cavity through a valve front valve plate and a valve seat, and the sand deposits at the bottom of the valve cavity to cause the flat valve to be incapable of being closed in place, so that normal operation of various operations is seriously influenced. At present, most of flat valves sealed behind the valve have no sand control effect, sand enters a valve cavity, the stability of the valve in use cannot be guaranteed, the service life and the replacement frequency of the valve are influenced, various operations are also influenced, and the overall progress of shale gas exploitation is further seriously influenced.
Disclosure of Invention
An object of the utility model is to provide a well head is with single valve seat sand control valve installs on wellhead assembly, uses in various operation environment, has reliable valve back sealed effect, and the sand control effect is reliable and stable.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a well head is with single valve seat sand control valve, both sides disk seat seal chamber is equipped with the disk seat in the valve body, disk seat one side is equipped with the baffle, be equipped with ripples spring and disk seat bush in the disk seat opposite side, be equipped with the disk seat sealing washer between disk seat and valve body, be equipped with the valve plate between the disk seat, the valve plate top is equipped with valve rod nut, valve rod nut top is equipped with the valve rod, the valve body top is equipped with the valve gap, be equipped with the steel ring between valve body and valve gap, be equipped with valve rod packing group and packing pressure cap in the valve gap, the valve rod upper end is equipped with the rotation cover, the lower extreme is equipped with thrust bearing on the rotation cover, be equipped with the round pin axle in the rotation cover, the valve gap top is equipped with the bearing frame, it is equipped with the hand wheel to rotate the cover top.
Preferably, the valve body and the valve cover are connected by a bolt and a nut.
Preferably, the valve seat, the guide plate, the valve seat bushing, the wave spring and the valve seat sealing ring are arranged in two groups and are symmetrically arranged around the vertical center of the valve body.
Preferably, the valve rod passes through the valve body and the valve cover and then extends into the bearing seat.
Preferably, the pin shaft penetrates through the valve rod and the rotating sleeve simultaneously.
Preferably, the bearing seat is connected with the valve cover through a set screw.
Preferably, an oil cup is mounted on the bearing seat at the position of the thrust bearing.
The utility model has the advantages that: the utility model provides a well head is with single valve seat sand prevention valve installs on well head device, uses in various operation environment, has reliable valve back seal effect, and the sand control effect is reliable and stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1. the valve comprises a valve body 2, a guide plate 3, a valve plate 4, a valve seat sealing cavity 5, a valve seat 6, a valve seat bushing 7, a wave spring 8, a steel ring 9, a valve cover 10, a valve rod 11, a valve rod nut 12, a valve rod packing group 13, a set screw 14, an oil cup 15, a thrust bearing 16, a hand wheel 17, a rotating sleeve 18, a pin shaft 19, a bearing seat 20, a packing pressing cap 21, a bolt 22, a nut and a nut
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in the figure, this kind of well head is with single valve seat sand control valve, it includes: the valve comprises a valve body 1, a guide plate 2, a valve plate 3, a valve seat sealing cavity 4, a valve seat 5, a valve seat bushing 6, a wave spring 7, a steel ring 8, a valve cover 9, a valve rod 10, a valve rod nut 11, a valve rod packing group 12, a set screw 13, an oil cup 14, a thrust bearing 15, a hand wheel 16, a rotating sleeve 17, a pin shaft 18, a bearing seat 19, a packing pressing cap 20, a bolt 21 and a nut 22; the method is characterized in that: the valve seat 5 is arranged in the valve body 1 in the valve seat sealing cavity of two sides, the guide plate 2 is arranged on one side of the valve seat 5, the wave spring 7 and the valve seat bushing 6 are arranged on the other side of the valve seat 5, the valve seat sealing ring 4 is arranged between the valve seat 5 and the valve body 1, the valve plate 3 is arranged between the valve seat 5, the valve rod nut 11 is arranged above the valve plate 3, the valve rod 10 is arranged above the valve rod nut 11, the valve cover 9 is arranged above the valve body 1, the steel ring 8 is arranged between the valve body 1 and the valve cover 9, the valve rod packing group 12 and the packing gland 20 are arranged in the valve cover 9, the upper end of the valve rod 10 is provided with the rotating sleeve 17, the thrust bearing 15 is arranged at the upper end and the lower end of the rotating sleeve 17, the pin shaft 18 is arranged in the rotating sleeve 17, the bearing seat 19 is arranged above the valve cover 9, and the hand wheel 16 is arranged above the rotating sleeve 17.
The valve body 1 and the bonnet 9 are connected by a bolt 21 and a nut 22.
Two groups of valve seats 5, guide plates 2, valve seat bushings 6, wave springs 7 and valve seat sealing rings 4 are arranged and are symmetrically arranged about the vertical center of the valve body 1.
The valve rod 10 extends into the bearing seat 19 after passing through the valve body 1 and the valve cover 9.
The pin 18 passes through both the valve stem 10 and the rotating sleeve 17.
The bearing block 19 is connected to the valve cover 9 by a set screw 13.
An oil cup 14 is mounted on the bearing housing 19 at a position corresponding to the thrust bearing 15.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a well head is with single valve seat sand prevention valve which characterized in that: the valve seat sealing structure comprises a valve body (1), wherein valve seats (5) are arranged in valve seat sealing cavities on two sides in the valve body (1), a guide plate (2) is arranged on one side of each valve seat (5), a wave spring (7) and a valve seat bushing (6) are arranged in the other side of each valve seat (5), a valve seat sealing ring (4) is arranged between each valve seat (5), a valve plate (3) is arranged between each valve seat (5), a valve rod nut (11) is arranged above each valve rod (3), a valve rod (10) is arranged above each valve rod nut (11), a valve cover (9) is arranged above each valve body (1), a steel ring (8) is arranged between each valve body (1) and each valve cover (9), a valve rod packing group (12) and a packing pressing cap (20) are arranged in each valve cover (9), a rotating sleeve (17) is arranged at the upper end and the lower end of each valve rod (10), a thrust bearing (15) is arranged at the upper end and the lower end of each rotating sleeve (17), a pin shaft (18) is arranged in each rotating sleeve (17), a bearing seat (19) is arranged above each rotating sleeve (9), a bearing seat (19) is arranged above each rotating sleeve, and a hand wheel (16) is arranged above each rotating sleeve (17).
2. The single-seat sand control valve for the wellhead as claimed in claim 1, wherein: the valve body (1) is connected with the valve cover (9) through a bolt (21) and a nut (22).
3. The single seat sand control valve for the wellhead as claimed in claim 1, wherein: the valve seat (5), the guide plate (2), the valve seat bushing (6), the wave spring (7) and the valve seat sealing ring (4) are arranged in two groups and are symmetrically arranged about the vertical center of the valve body (1).
4. The single-seat sand control valve for the wellhead as claimed in claim 1, wherein: the valve rod (10) penetrates through the valve body (1) and the valve cover (9) and then extends into the bearing seat (19).
5. The single-seat sand control valve for the wellhead as claimed in claim 1, wherein: the pin shaft (18) penetrates through the valve rod (10) and the rotating sleeve (17) simultaneously.
6. The single-seat sand control valve for the wellhead as claimed in claim 1, wherein: the bearing seat (19) is connected with the valve cover (9) through a set screw (13).
7. The single seat sand control valve for the wellhead as claimed in claim 1, wherein: and an oil cup (14) is arranged on the bearing seat (19) and positioned at the thrust bearing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221658915.8U CN218480181U (en) | 2022-06-14 | 2022-06-14 | Single valve seat sand prevention valve for well mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221658915.8U CN218480181U (en) | 2022-06-14 | 2022-06-14 | Single valve seat sand prevention valve for well mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480181U true CN218480181U (en) | 2023-02-14 |
Family
ID=85162939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221658915.8U Active CN218480181U (en) | 2022-06-14 | 2022-06-14 | Single valve seat sand prevention valve for well mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218480181U (en) |
-
2022
- 2022-06-14 CN CN202221658915.8U patent/CN218480181U/en active Active
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| GR01 | Patent grant |