CN219639506U - Split type slag locking valve - Google Patents
Split type slag locking valve Download PDFInfo
- Publication number
- CN219639506U CN219639506U CN202320857291.0U CN202320857291U CN219639506U CN 219639506 U CN219639506 U CN 219639506U CN 202320857291 U CN202320857291 U CN 202320857291U CN 219639506 U CN219639506 U CN 219639506U
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- Prior art keywords
- valve rod
- valve
- positioning ring
- shaft sleeve
- valve body
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- 239000002893 slag Substances 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000000956 alloy Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- -1 steam Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a split slag locking valve, wherein a first positioning hole is formed in the upper side of a valve cavity, a first valve rod positioning ring is arranged in the first positioning hole, an upper valve rod passes through the first valve rod positioning ring in a matched mode, a second positioning hole is formed in the lower side of the valve cavity, a second valve rod positioning ring is arranged in the second positioning hole, a lower valve rod passes through the second valve rod positioning ring in a matched mode, a step assembly through hole is provided with an upward first step surface, a valve rod seat is provided with a downward second step surface, a sealing gasket is clamped between the first step surface and the second step surface, and the second step surface is an annular corrugated surface. Establish sealing gasket and the contact surface of valve rod seat and sealing gasket contact between valve rod seat and valve body and set up to annular ripple face, promote sealed effect by a wide margin, and first valve rod holding ring, second valve rod holding ring make valve rod, lower valve rod can be in on the coaxial line, avoid rotating the skew, promote to rotate stably, be difficult for locking, avoid the skew to lead to the partial side wearing and tearing to cause leakage problem, reduce valve rod seat department leakage risk.
Description
Technical Field
The utility model relates to a slag locking valve.
Background
The existing slag locking valve is commonly used on a slag discharging pipeline, the medium has the characteristics of high temperature, high abrasion and strong corrosion of slag water, steam, coal gas and the like, and the valve used on the pipeline is required to have the functions of full circulation, high temperature resistance, abrasion resistance, corrosion resistance and the like, so a hard sealing ball valve is generally adopted, wherein a ball body is matched and sealed with a valve seat (such as a floating valve seat and a front valve seat and a rear valve seat which are generally matched). However, the valve rod seat and the valve body are still easy to leak. In addition, the ball is driven by the corresponding valve rod (comprising an upper valve rod and a lower valve rod) to rotate, and the valve rod is easy to lock on the valve body, so that the valve opening and closing torque is large.
Disclosure of Invention
In view of the technical problems existing in the background art, the technical problems solved by the utility model are to provide a split type slag locking valve for solving the problem of valve rod seat leakage and improving the rotation stability of a valve rod.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a split type lock sediment valve, includes left valve body, right valve body, valve rod seat, goes up valve rod, lower valve rod and spheroid, and left valve body is connected with right valve body and is formed the valve body, has the valve pocket in the valve body, and the spheroid disposes in the valve pocket, goes up valve rod, lower valve rod and corresponds the spheroidal upside of connection, and the valve rod seat is installed on the valve body, still is equipped with step assembly through-hole on the valve body, and the valve rod seat is connected with step assembly through-hole, its characterized in that: the upper side of the valve cavity is provided with a first positioning hole, a first valve rod positioning ring is arranged in the first positioning hole, the upper valve rod is matched with and penetrates through the first valve rod positioning ring, the lower side of the valve cavity is provided with a second positioning hole, a second valve rod positioning ring is arranged in the second positioning hole, the lower valve rod is matched with and penetrates through the second valve rod positioning ring, the step assembly through hole is provided with an upward first step surface, the valve rod seat is provided with a downward second step surface, a sealing gasket is clamped between the first step surface and the second step surface, and the second step surface is provided with an annular corrugated surface.
The following various optimization or supplementary explanation can be performed on the above technical solutions, respectively.
For example, a first shaft sleeve is further arranged between the first valve rod positioning ring and the upper valve rod, and a second shaft sleeve is further arranged between the second valve rod positioning ring and the lower valve rod.
For example, the first shaft sleeve and the second shaft sleeve are respectively T-shaped shaft sleeves, the first valve rod positioning ring is sleeved outside the first shaft sleeve, and the second valve rod positioning ring is sleeved outside the second shaft sleeve.
The first shaft sleeve is in clearance fit with the first valve rod positioning ring, and the second shaft sleeve is in clearance fit with the second valve rod positioning ring.
In addition, hard alloy is deposited on the contact surface of the first shaft sleeve and the upper valve rod as well as the first positioning hole; and hard alloy is deposited on the contact surface of the second sleeve and the lower valve rod as well as the second positioning hole.
The junction of the left valve body and the right valve body is a bisection surface of the valve body, and the bisection surface is arranged in the middle relative to the valve body.
Wherein, upper valve rod and lower valve rod coaxial arrangement, upper valve rod, spheroid and lower valve rod are club integral type structure.
The split type slag locking valve has the advantages that the leakage grade of the valve rod seat can be improved, the valve rod seat leakage problem is solved, the sealing gasket is arranged between the valve rod seat and the valve body, the contact surface (namely the second step surface) of the valve rod seat and the sealing gasket is an annular corrugated surface, the sealing effect is greatly improved, the sealing performance between the valve rod seat and the valve body is ensured, the upper valve rod and the lower valve rod can be positioned on the same axis through the first valve rod positioning ring and the second valve rod positioning ring, rotation deflection is avoided, lifting rotation is stable, locking is not easy to happen, deflection-caused side abrasion (particularly filler abrasion on the valve rod seat) is avoided, and the leakage risk at the valve rod seat is reduced. In addition, the first shaft sleeve and the second shaft sleeve can be additionally arranged to enable the corresponding valve rod positioning ring to be not in direct contact with the corresponding valve rod, so that the problem that the corresponding valve rod is difficult to lock and open due to deformation of the corresponding valve rod positioning ring in the process of connecting and locking the left valve body and the right valve body is prevented. The problem of difficulty in locking the switch due to deformation is prevented, so that the required torque of the valve switch is not required to be too large, and the cost is relatively low when the actuator is configured. Thus, the present utility model is a substantial feature and improvement over the prior art.
Drawings
The details and working principles of the embodiments and examples of the present utility model are described below with reference to the drawings.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view of a in fig. 1.
Fig. 3 is an enlarged view of B in fig. 1.
Fig. 4 is an enlarged view of C in fig. 1.
Fig. 5 is a schematic view of fig. 4 after concealing the gasket seal.
In the figure: 1. a left valve body; 2. a right valve body; 3. a valve rod seat; 4. an upper valve rod; 5. a lower valve rod; 6. a sphere; 7. a valve body; 8. a valve cavity; 9. step assembly through holes; 10. a first positioning hole; 11. a first valve stem locating ring; 12. a second positioning hole; 13. a second valve stem locating ring; 14. a first step surface; 15. a second step surface; 16. a sealing gasket; 17. an annular corrugated surface; 18. a first sleeve; 19. a second sleeve; 20. an actuator; 21. an actuator support; 22. and (3) filling.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some, but not all, embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making inventive efforts are within the scope of this utility model.
Referring to the drawings, a split slag locking valve in the embodiment of the present utility model includes a left valve body 1, a right valve body 2, a valve stem seat 3, an upper valve stem 4, a lower valve stem 5, and a ball 6. The left valve body 1 is connected with the right valve body 2 to form a valve body 7, and can be connected and locked by matching bolts, nuts 23 and the like. The valve body 7 is internally provided with a valve cavity 8, the ball body 6 is arranged in the valve cavity 8, the upper valve rod 4 and the lower valve rod 5 are correspondingly connected with the upper side and the lower side of the ball body 6, the ball body 6 is driven to rotate in the valve cavity 8 by the matching rotation of the upper valve rod 4 and the lower valve rod 5, and the valve body is matched with the sealing of a valve seat in the valve cavity 8 to realize the opening and closing of the valve.
The valve rod seat 3 is mounted on the valve body 7 and can be mounted and locked in a matched manner through bolts, nuts 24 and the like. The valve body 7 is also provided with a step assembly through hole 9, and the valve rod seat 3 is connected with the step assembly through hole 9, so that the valve rod seat is convenient to limit, install and lock.
Wherein, the upside of valve pocket 8 is equipped with first locating hole 10, has set up first valve rod locating ring 11 in the first locating hole 10, and upper valve rod 4 cooperation passes first valve rod locating ring 11, and upper valve rod 4 is located by first valve rod locating ring 11 cooperation during the installation, and upper valve rod 4 rotation center is difficult for the off-set, the difficult condition that takes place the locking.
Similarly, the lower side of the valve cavity 8 is provided with a second positioning hole 12, a second valve rod positioning ring 13 is arranged in the second positioning hole 12, the lower valve rod 5 passes through the second valve rod positioning ring 13 in a matched mode, the lower valve rod 5 is positioned in a matched mode through the second valve rod positioning ring 13 in installation, and the rotation center of the lower valve rod 5 is not easy to deviate and is not easy to lock.
Therefore, the upper valve rod 4 and the lower valve rod 5 can be improved in rotation stability, deflection of a rotation center is avoided, locking is not easy, torque requirements of the corresponding driven actuator 20 are low, cost is low, leakage problems caused by deflection-caused side abrasion (particularly abrasion to the packing 22 on the valve rod seat 3) are avoided after the rotation stability is improved, and leakage risk of the valve rod seat 3 is reduced.
In addition, the step assembly through hole 9 of the valve body 7 is provided with an upward first step surface 14, the valve rod seat 3 is provided with a downward second step surface 15, a sealing gasket 16 is clamped between the first step surface 14 and the second step surface 15, the sealing performance of the valve rod seat 3 and the valve body 7 can be improved through the sealing gasket 16, the leakage risk of the valve rod seat 3 is reduced, and the leakage grade between the valve rod seat 3 and the valve body 7 is improved. The second step surface 15 is formed as an annular corrugated surface 17 (a circle of concentric corrugations), so that the sealing effect of the sealing gasket 16 is greatly improved, and the sealing effect is further improved when the sealing gasket is mounted and locked by matching the bolts, nuts 24 and the like.
In the split type slag locking valve, the leakage grade of the valve rod seat 3 can be improved, the problem of leakage of the valve rod seat 3 is solved, wherein the sealing gasket 16 is arranged between the valve rod seat 3 and the valve body 7, the contact surface (namely the second step surface 15) of the valve rod seat 3, which is in contact with the sealing gasket 16, is arranged to be an annular corrugated surface 17, the sealing effect is greatly improved, the tightness between the valve rod seat 3 and the valve body 7 is ensured, in addition, the upper valve rod 4 and the lower valve rod 5 can be positioned on the coaxial line through the first valve rod positioning ring 11 and the second valve rod positioning ring 13, the rotation deflection is avoided, the lifting rotation is stable, the locking is difficult, the leakage problem caused by deflection-caused partial side abrasion (particularly the abrasion of the packing 22 on the valve rod seat 3) is avoided, and the leakage risk of the valve rod seat 3 is reduced.
The following optimizations or further description can be made on the basis of the above embodiments, respectively.
For example, a first shaft sleeve 18 is further arranged between the first valve rod positioning ring 11 and the upper valve rod 4, and a second shaft sleeve 19 is further arranged between the second valve rod positioning ring 13 and the lower valve rod 5. The first shaft sleeve 18 is additionally arranged to enable the first valve rod positioning ring 11 to be not in direct contact with the upper valve rod 4, so that the problem that the upper valve rod 4 is locked and opened difficultly due to deformation of the first valve rod positioning ring 11 in the process of connecting and locking the left valve body 1 and the right valve body 2 is prevented. Likewise, the second valve rod positioning ring 13 can play a role in positioning the lower valve rod 5, and the second sleeve 19 is additionally arranged to enable the second valve rod positioning ring 13 to be not in direct contact with the lower valve rod 5, so that the problem that the lower valve rod 5 is difficult to lock and open due to deformation of the second valve rod positioning ring 13 in the process of connecting and locking the left valve body 1 and the right valve body 2 is prevented. The problem of difficulty in locking the switch due to deformation is prevented, so that the required torque of the valve switch is not required to be too large, and the cost for configuring the actuator 20 is relatively low.
For example, the first shaft sleeve 18 and the second shaft sleeve 19 are respectively T-shaped shaft sleeves, the first valve rod positioning ring 11 is sleeved outside the first shaft sleeve 18, and the second valve rod positioning ring 13 is sleeved outside the second shaft sleeve 19. The first shaft sleeve 18 adopts a T-shaped shaft sleeve (positive T-shaped in the assembly process in the figure) and can be matched with the upper plane of the sphere 6 to clamp and limit the first valve rod positioning ring 11; the second sleeve 19 adopts a T-shaped sleeve (inverted T-shaped in the assembly process) and can be matched with the lower plane of the sphere 6 to clamp and limit the second valve rod positioning ring 13. The relative structural positions of the first valve rod positioning ring 11 and the second valve rod positioning ring 13 are more stable.
In addition, the first shaft sleeve 18 is in clearance fit with the first valve rod positioning ring 11, and the second shaft sleeve 19 is in clearance fit with the second valve rod positioning ring 13, so that the problem that the positioning rings are locked with the valve rods due to deformation of the first valve rod positioning ring 11 and the second valve rod positioning ring 13 can be effectively prevented.
Wherein, hard alloy can be deposited on the contact surface of the first shaft sleeve 18 and the upper valve rod 4 and the contact surface of the first shaft sleeve 18 and the first positioning hole 10; the contact surface of the second sleeve 19 and the lower valve rod 5 and the contact surface of the second sleeve 19 and the second positioning hole 12 are overlaid with hard alloy; and the corresponding wear resistance is improved.
The connection between the left valve body 1 and the right valve body 2 is a bisection plane (i.e., an interface) of the valve body 7, and the bisection plane is centrally disposed with respect to the valve body 7. The first positioning hole 10 and the second positioning hole 12 are located on the bisecting plane. In addition, the upper valve rod 4 and the lower valve rod 5 are coaxially arranged, and the upper valve rod 4, the ball 6 and the lower valve rod 5 are of a club integrated structure.
Claims (7)
1. The utility model provides a split type lock sediment valve, including left valve body (1), right side valve body (2), valve rod seat (3), go up valve rod (4), lower valve rod (5) and spheroid (6), left side valve body (1) are connected with right side valve body (2) and are formed valve body (7), valve pocket (8) have in valve body (7), spheroid (6) configuration is in valve pocket (8), go up valve rod (4), lower valve rod (5) correspond the upside of connecting spheroid (6), valve rod seat (3) are installed on valve body (7), still be equipped with step assembly through-hole (9) on valve body (7), valve rod seat (3) are connected with step assembly through-hole (9), its characterized in that:
a first positioning hole (10) is arranged on the upper side of the valve cavity (8), a first valve rod positioning ring (11) is arranged in the first positioning hole (10), the upper valve rod (4) passes through the first valve rod positioning ring (11) in a matching way,
a second positioning hole (12) is arranged at the lower side of the valve cavity (8), a second valve rod positioning ring (13) is arranged in the second positioning hole (12), the lower valve rod (5) passes through the second valve rod positioning ring (13) in a matching way,
the step assembly through hole (9) is provided with an upward first step surface (14), the valve rod seat (3) is provided with a downward second step surface (15), a sealing gasket (16) is clamped between the first step surface (14) and the second step surface (15), and the second step surface (15) is provided with an annular corrugated surface (17).
2. A split slag lock valve as set forth in claim 1 wherein: a first shaft sleeve (18) is further arranged between the first valve rod positioning ring (11) and the upper valve rod (4), and a second shaft sleeve (19) is further arranged between the second valve rod positioning ring (13) and the lower valve rod (5).
3. A split slag lock valve as set forth in claim 2 wherein: the first shaft sleeve (18) and the second shaft sleeve (19) are respectively T-shaped shaft sleeves, the first valve rod positioning ring (11) is sleeved outside the first shaft sleeve (18), and the second valve rod positioning ring (13) is sleeved outside the second shaft sleeve (19).
4. A split slag lock valve as set forth in claim 2 wherein: the first shaft sleeve (18) is in clearance fit with the first valve rod positioning ring (11), and the second shaft sleeve (19) is in clearance fit with the second valve rod positioning ring (13).
5. A split slag lock valve as set forth in claim 1 wherein: the contact surface of the first shaft sleeve (18) and the upper valve rod (4) and the first positioning hole (10) is overlaid with hard alloy;
the contact surface of the second sleeve (19) and the lower valve rod (5) and the second positioning hole (12) is overlaid with hard alloy.
6. A split slag lock valve as set forth in claim 1 wherein: the joint of the left valve body (1) and the right valve body (2) is a bisection surface of the valve body (7), and the bisection surface is arranged in the middle relative to the valve body (7).
7. A split slag lock valve as set forth in claim 1 wherein: the upper valve rod (4) and the lower valve rod (5) are coaxially arranged, and the upper valve rod (4), the ball body (6) and the lower valve rod (5) are of a club integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320857291.0U CN219639506U (en) | 2023-04-18 | 2023-04-18 | Split type slag locking valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320857291.0U CN219639506U (en) | 2023-04-18 | 2023-04-18 | Split type slag locking valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639506U true CN219639506U (en) | 2023-09-05 |
Family
ID=87818456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320857291.0U Active CN219639506U (en) | 2023-04-18 | 2023-04-18 | Split type slag locking valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639506U (en) |
-
2023
- 2023-04-18 CN CN202320857291.0U patent/CN219639506U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |