CN217784306U - Corrosion-resistant fracturing pump valve body disk seat that life is strong - Google Patents
Corrosion-resistant fracturing pump valve body disk seat that life is strong Download PDFInfo
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- CN217784306U CN217784306U CN202123390067.5U CN202123390067U CN217784306U CN 217784306 U CN217784306 U CN 217784306U CN 202123390067 U CN202123390067 U CN 202123390067U CN 217784306 U CN217784306 U CN 217784306U
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- fracturing pump
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Abstract
The utility model provides a corrosion-resistant fracturing pump valve body disk seat that life is strong. Including the disk seat, be provided with the cavity on the inside of disk seat, one side of cavity is provided with the suction end, and the opposite side of cavity is provided with the output, the inner wall top of cavity is provided with fixed box, and the inner wall top of fixed box is fixed with fixed block and connecting rod respectively, the bottom of connecting rod slides has the slider, has cup jointed the spring on the connecting rod, and has rotated the axostylus axostyle on the slider, the one end of axostylus axostyle is rotated there is the valve rod, and the valve rod runs through fixed box and extend to the outside of fixed box. The utility model provides a corrosion-resistant fracturing pump valve body disk seat that life is strong has solved in the operation, and solid particle is caught between the surface of the interact of valve body and disk seat usually to lead to the case structure part of valve body inside to take place to corrode and the pitting, shortened the life's of fracturing pump valve body problem greatly.
Description
Technical Field
The utility model relates to a fracturing pump valve body field especially relates to a corrosion-resistant fracturing pump valve body disk seat that life is strong.
Background
When the fracturing pump truck pumps liquid, sand with the density being multiple times that of a stratum is usually mixed in the injected liquid, and the sand and the liquid enter a crack together, which is mainly used for preventing the crack from closing by self due to pressure reduction after the fracturing pump truck stops, and after the sand is mixed, the sand can stay in the crack permanently, a supporting crack is in an open state, and in operation, solid particles are usually captured between the interacting surfaces of a valve body and a valve seat, so that the corrosion and pitting of valve core structural parts in the valve body are caused, and the service life of the valve body of the fracturing pump is greatly shortened.
Therefore, it is necessary to provide a corrosion-resistant fracturing pump valve body valve seat with a long service life to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a corrosion-resistant fracturing pump valve body disk seat that life is strong has solved in the operation, and solid particle is caught between the surface of the interact of valve body and disk seat usually to lead to the case structure part of valve body inside to take place to corrode and the pitting, shortened the life's of fracturing pump valve body problem greatly.
In order to solve the technical problem, the utility model provides a corrosion-resistant fracturing pump valve body valve seat with long service life, which comprises a valve seat, wherein a cavity is arranged inside the valve seat, one side of the cavity is provided with a suction end, and the other side of the cavity is provided with an output end;
a fixing box is arranged at the top of the inner wall of the cavity, a fixing block and a connecting rod are respectively fixed at the top of the inner wall of the fixing box, a sliding block is arranged at the bottom end of the connecting rod in a sliding manner, a spring is sleeved on the connecting rod, a shaft rod is rotatably arranged on the sliding block, a valve rod is rotatably arranged at one end of the shaft rod, the valve rod penetrates through the fixing box and extends to the outside of the fixing box, a sealing ring is arranged outside the fixing box and at the joint of the valve rod and the fixing box, a sealing ring is arranged between the valve rod and the fixing box, liquid transferring grooves are respectively arranged on the fixing box and the sealing ring, a liquid dripping hole is formed between the liquid transferring groove and the valve rod, a short rod is fixed on the fixing block and slides in the shaft rod;
and one end of the valve rod, which is positioned outside the fixed box, is fixed with a valve core corresponding to the suction end, a supporting rod is fixed on one side of the valve core, a moving block slides on the supporting rod, and the bottom of the moving block is fixed with the suction end through a limiting block.
Preferably, a mounting plate is fixed at the bottom of the valve seat.
Preferably, an oil inlet nozzle is arranged at the top of the valve seat.
Preferably, the shaft rod is provided with a moving groove matched with the short rod.
Preferably, the support rod is provided with a limit groove matched with the moving block.
Preferably, the fixing box is filled with sealing oil.
Compared with the prior art, the utility model provides a corrosion-resistant fracturing pump valve body disk seat that life is strong has following beneficial effect:
the utility model provides a corrosion-resistant fracturing pump valve body disk seat that life is strong, through advancing oil nipple with the sealed oil of fixed box packing, guarantee that sealed oil does not have the height of seal ring, through moving the cistern and moving the drip hole that sets up between cistern and the valve rod, sealed oil forms the protection film between valve rod and sealing ring, prevent that liquid and air from entering into and corroding in the fixed box, solved in the operation, solid particle is caught between the surface of the interact of valve body and disk seat usually, thereby lead to the inside case structure part of valve body to take place to corrode and the point is corroded, the problem of the life of fracturing pump valve body has been shortened greatly.
Drawings
Fig. 1 is a schematic structural view of a valve seat of a valve body of a corrosion-resistant fracturing pump, which has a long service life, according to a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of the mounting box of FIG. 1;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
The reference numbers in the figures: 1. valve seat, 2, chamber, 3, suction end, 4, output end, 5, fixed box, 6, fixed block, 7, connecting rod, 9, slider, 10, axostylus axostyle, 11, valve rod, 12, sealing ring, 13, sealing washer, 14, liquid shifting groove, 15, drip hole, 16, quarter butt, 17, case, 18, bracing piece, 19, movable block, 20, stopper, 21, mounting panel, 22, oil feed mouth, 23, spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-3, a valve seat of a corrosion-resistant fracturing pump valve body with a long service life comprises a valve seat 1, wherein a cavity 2 is arranged inside the valve seat 1, a suction end 3 is arranged on one side of the cavity 2, and an output end 4 is arranged on the other side of the cavity 2;
as shown in fig. 2 and 3, the utility model discloses the inner wall top of cavity 2 is provided with fixed box 5, and the inner wall top of fixed box 5 is fixed with fixed block 6 and connecting rod 7 respectively, the bottom of connecting rod 7 slides has slider 9, spring 23 has been cup jointed on connecting rod 7, and it has axostylus axostyle 10 to rotate on slider 9, the one end of axostylus axostyle 10 rotates has valve rod 11, and valve rod 11 runs through fixed box 5 and extends to the outside of fixed box 5, fixed box 5 outside and the junction that is located valve rod 11 and fixed box 5 are provided with sealing ring 12, play the sealed effect, prevent obstructing solid impurity, be provided with sealing washer 13 between valve rod 11 and the fixed box 5, all be provided with on fixed box 5 and sealing ring 12 and move cistern 14, be provided with drip hole 15 between liquid transfer cistern 14 and the valve rod 11, through move cistern 14 and the drip hole 15 that sets up between liquid transfer cistern 14 and the valve rod 11, sealing oil forms the protection film between valve rod 11 and sealing ring 12, prevent that liquid and air from entering fixed box 5 in and corroding, be fixed with quarter butt 16 on fixed block 6, and short bar 16 is in the internal sliding motion of axostylus axostyle 10;
as shown in fig. 1, the utility model discloses the outside one end that lies in fixed box 5 of valve rod 11 is fixed with the case 17 corresponding with suction end 3, and one side of case 17 is fixed with bracing piece 18, and bracing piece 18 slides and have movable block 19, and stopper 20 is passed through to movable block 19's bottom and is fixed with suction end 3 for case 17 supports stably.
The bottom of the valve seat 1 of the utility model is fixed with a mounting plate 21, the top of the valve seat 1 is provided with an oil inlet nozzle 22, the fixing box 5 is filled with sealing oil through the oil inlet nozzle 22, the sealing oil is ensured to be higher than the sealing ring 12, and the air is kept smooth through the oil inlet nozzle 22, so that the pressure in the fixing box 5 is stable;
as shown in fig. 1, the utility model discloses be provided with the shifting chute with 16 adaptations of quarter butt on the axostylus axostyle 10, be provided with the spacing groove with 19 looks adaptations of movable block on the bracing piece 18, the intussuseption of fixed box 5 is filled with sealed oil.
The utility model provides a strong corrosion-resistant fracturing pump valve body disk seat's of life theory of operation as follows: disk seat 1 installs through mounting panel 21, fill sealed oil with fixed box 5 through oil feed mouth 22, guarantee that sealed oil does not cross the height of seal ring 12, through move cistern 14 and move the drip hole 15 that sets up between cistern 14 and the valve rod 11, sealed oil forms the protection film between valve rod 11 and seal ring 12, prevent that liquid and air from entering into fixed box 5 and corroding, suction end 3 receives fluidic impact, it gets into in cavity 2 to open up case 17, valve rod 11 contracts in fixed box 5, keep the air unblocked through oil feed mouth 22, make fixed box 5 internal pressure steady, there is slider 9 through the bottom slip of connecting rod 7, spring 23 has cup jointed on the connecting rod 7, make valve rod 11 drive case 17 steady motion.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The valve seat of the valve body of the corrosion-resistant fracturing pump with the long service life is characterized by comprising a valve seat (1), wherein a cavity (2) is arranged inside the valve seat (1), a suction end (3) is arranged on one side of the cavity (2), and an output end (4) is arranged on the other side of the cavity (2);
the liquid-dropping device is characterized in that a fixing box (5) is arranged at the top of the inner wall of the chamber (2), a fixing block (6) and a connecting rod (7) are respectively fixed at the top of the inner wall of the fixing box (5), a sliding block (9) is arranged at the bottom end of the connecting rod (7) in a sliding mode, a spring (23) is sleeved on the connecting rod (7), a shaft rod (10) is rotatably arranged on the sliding block (9), a valve rod (11) is rotatably arranged at one end of the shaft rod (10), the valve rod (11) penetrates through the fixing box (5) and extends to the outside of the fixing box (5), a sealing ring (12) is arranged outside the fixing box (5) and is positioned at the joint of the valve rod (11) and the fixing box (5), a sealing ring (13) is arranged between the valve rod (11) and the fixing box (5), liquid-dropping grooves (14) are respectively arranged on the fixing box (5) and the sealing ring (12), a liquid-dropping hole (15) is arranged between the liquid-dropping groove (14) and the valve rod (11), a short rod (16) is fixed on the fixing block (6), and the short rod (16) slides in the shaft rod (10);
one end of the valve rod (11) positioned outside the fixed box (5) is fixed with a valve core (17) corresponding to the suction end (3), a supporting rod (18) is fixed on one side of the valve core (17), a moving block (19) slides on the supporting rod (18), and the bottom of the moving block (19) is fixed with the suction end (3) through a limiting block (20).
2. The valve seat of the corrosion-resistant fracturing pump valve body with long service life of claim 1, characterized in that a mounting plate (21) is fixed at the bottom of the valve seat (1).
3. The valve seat of the corrosion-resistant fracturing pump valve body with long service life of claim 1, characterized in that the top of the valve seat (1) is provided with an oil inlet nozzle (22).
4. A service life-intensive corrosion-resistant fracturing pump valve body valve seat according to claim 1, characterized in that the shaft (10) is provided with a moving groove adapted to the short rod (16).
5. The valve seat of the valve body of the corrosion-resistant fracturing pump with the long service life as claimed in claim 1, wherein the support rod (18) is provided with a limit groove matched with the moving block (19).
6. The valve seat of the valve body of the corrosion-resistant fracturing pump with long service life as claimed in claim 1, wherein the fixing box (5) is filled with sealing oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123390067.5U CN217784306U (en) | 2021-12-30 | 2021-12-30 | Corrosion-resistant fracturing pump valve body disk seat that life is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123390067.5U CN217784306U (en) | 2021-12-30 | 2021-12-30 | Corrosion-resistant fracturing pump valve body disk seat that life is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217784306U true CN217784306U (en) | 2022-11-11 |
Family
ID=83905085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123390067.5U Active CN217784306U (en) | 2021-12-30 | 2021-12-30 | Corrosion-resistant fracturing pump valve body disk seat that life is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217784306U (en) |
-
2021
- 2021-12-30 CN CN202123390067.5U patent/CN217784306U/en active Active
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