CN212899752U - Forged steel stop valve - Google Patents
Forged steel stop valve Download PDFInfo
- Publication number
- CN212899752U CN212899752U CN202021162516.3U CN202021162516U CN212899752U CN 212899752 U CN212899752 U CN 212899752U CN 202021162516 U CN202021162516 U CN 202021162516U CN 212899752 U CN212899752 U CN 212899752U
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- Prior art keywords
- valve
- groove
- forged steel
- flange board
- flange plate
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 26
- 239000010959 steel Substances 0.000 title claims abstract description 26
- 230000000670 limiting effect Effects 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000926 separation method Methods 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 discloses a forged steel stop valve relates to forged steel valve technical field, including first flange board, first through-hole has been seted up on the first flange board, first logical groove has been seted up to the central point of first flange board, the lower surface of first flange board is provided with second flange board, the second through-hole has been seted up on the second flange board, the second logical groove has been seted up at the middle part of second flange board, the inside fixedly connected with gag lever post in first logical groove, the inside threaded connection of gag lever post has the valve rod, the top surface fixed connection of valve rod has a plurality of fixed plates. The utility model discloses a first flange board and second flange board bolted connection, can dismantle and maintain with easy to assemble more, through setting up the connecting plate, connecting plate threaded connection valve rod can accomplish convenient dismantlement maintenance, in time changes the stop valve to reduce the maintenance degree of difficulty, solved the stop valve in case damage, the cost has been saved to the trouble of whole set of change.
Description
Technical Field
The utility model relates to a forged steel valve technical field specifically is a forged steel stop valve.
Background
The stop valve is an extremely important cut-off valve, the sealing of the stop valve is realized by applying torque to a valve rod, and the valve rod applies pressure to a valve clack in the axial direction, so that a sealing surface of the valve clack is tightly attached to a sealing surface of a valve seat, and the leakage of a medium along a gap between the sealing surfaces is prevented.
When the valve clack is sealed with the disk seat, continue rotatory hand wheel, the valve rod continues to exert the effort to the valve clack, makes the disk seat bear stress too big easily and causes the damage, and the disk seat is in this kind of condition for a long time, leads to the leakproofness of valve to descend easily, and current stop valve clack and valve rod structure as an organic whole can not dismantle, and in case the valve clack damages, the valve will directly scrap, has increased the degree of difficulty of maintenance, causes unnecessary extravagant.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a forged steel stop valve has solved the easy non-detachable problem that damages of current forged steel stop valve that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a forged steel stop valve comprises a first flange plate, a first through hole is arranged on the first flange plate, a first through groove is arranged at the center of the first flange plate, a second flange plate is arranged on the lower surface of the first flange plate, the second flange plate is provided with a second through hole, the middle part of the second flange plate is provided with a second through groove, a limiting rod is fixedly connected inside the first through groove, a valve rod is connected inside the limiting rod in a threaded manner, the outer surface of the top end of the valve rod is fixedly connected with a plurality of fixing plates, one end of each fixing plate far away from the valve rod is fixedly connected with a hand wheel, the bottom end of the valve rod is in threaded connection with a connecting plate, the lower surface of the connecting plate is fixedly connected with a stop valve, one side fixedly connected with valve body that first flange board was kept away from to the second flange board, the left and right sides face of valve body is fixedly connected with first pipeline and second pipeline respectively.
Furthermore, the first through holes are provided with a plurality of second through holes, the number of the second through holes is equal to that of the first through holes, and the positions of the second through holes correspond to those of the first through holes.
Furthermore, the diameter of the second through hole is equal to the diameter of the first through hole, and the first flange plate and the second flange plate are connected through bolts.
Further, the diameter of the second through groove is equal to the diameter of the first through groove, and the second through groove is communicated with the first through groove.
Furthermore, the bottom end of the valve rod penetrates through the bottom end of the first through groove and the top end of the second through groove and is located inside the second through groove.
Furthermore, the connecting plate is of a circular structure, and the outer surface of the connecting plate is in contact with the inner wall of the second through groove.
Furthermore, the hand wheel is located above the limiting rod, and the diameter of the hand wheel is larger than that of the limiting rod.
(III) advantageous effects
The utility model provides a forged steel stop valve possesses following beneficial effect:
(1) this forged steel stop valve through rotatory hand wheel, drives the rotation of valve rod, can make the valve rod reciprocate under the threaded connection effect of gag lever post and valve rod, and when the stop valve reachd the disk seat, the lower surface of hand wheel contacted with the upper surface of gag lever post for the valve rod can not continue downstream, thereby has avoided continuing rotatory hand wheel to make the valve rod continue to apply pressure to the stop valve, leads to the disk seat to bear pressure too big, the problem that the leakproofness descends.
(2) This forged steel stop valve through first flange board and second flange board bolted connection, can dismantle and maintain easy to assemble more, through setting up the connecting plate, connecting plate threaded connection valve rod can accomplish convenient dismantlement maintenance, in time changes the stop valve to having reduced the maintenance degree of difficulty, having solved the stop valve in case damage, the trouble of whole set of change has saved the cost.
Drawings
FIG. 1 is a schematic structural diagram of a perspective view of a forged steel stop valve of the present invention;
FIG. 2 is a schematic structural diagram of a front view of the forged steel stop valve of the present invention;
figure 3 is the structure schematic diagram of the section view of the forged steel stop valve of the utility model.
In the figure: 1. a first flange plate; 2. a first through hole; 3. a limiting rod; 4. a valve stem; 5. a fixing plate; 6. a hand wheel; 7. a connecting plate; 8. a stop valve; 9. a second flange plate; 10. a valve body; 11. a first conduit; 12. a second conduit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides a technical solution:
a forged steel stop valve comprises a first flange plate 1, wherein a first through hole 2 is formed in the first flange plate 1, a plurality of first through holes 2 are formed in the first through hole, the connection stability and stability are facilitated by the arrangement of the plurality of through holes, the durability is improved, a first through groove is formed in the center of the first flange plate 1, a second flange plate 9 is arranged on the lower surface of the first flange plate 1, the first flange plate 1 is connected with the second flange plate 9 through bolts which are beneficial to disassembly and maintenance, a second through hole is formed in the second flange plate 9, the number of the second through holes is equal to the number of the first through holes 2, the second through holes correspond to the first through holes 2 in position, the diameter of the second through holes is equal to that of the first through holes 2, the tight connection between the first flange plate 1 and the second flange plate 9 is facilitated, bolts can smoothly enter and be fixed firmly, a second through groove is formed in the middle of the second flange plate 9, the diameter of the second through groove is equal to that of the first through groove, the second through groove is communicated with the first through groove, so that the normal operation of the valve rod 4 in the valve body 10 can be better guaranteed, the limiting rod 3 is fixedly connected inside the first through groove, the valve rod 4 is connected with the internal thread of the limiting rod 3, the bottom end of the valve rod 4 penetrates through the bottom end of the first through groove and the top end of the second through groove and is positioned inside the second through groove, the outer surface of the top end of the valve rod 4 is fixedly connected with a plurality of fixing plates 5, one end, far away from the valve rod 4, of each fixing plate 5 is fixedly connected with a hand wheel 6, the hand wheel 6 is positioned above the limiting rod 3, the diameter of the hand wheel 6 is larger than that of the limiting rod 3, so that the limiting rod 3 can better achieve a limiting effect, the stop valve 8 is protected, the airtightness is improved, the bottom end of the valve rod 4 is connected with a, can prevent like this that water from up flowing, increase the leakproofness, the lower fixed surface of connecting plate 7 is connected with stop valve 8, and one side fixedly connected with valve body 10 of first flange board 1 is kept away from to second flange board 9, and the left and right sides face difference fixedly connected with first pipeline 11 and second pipeline 12 of valve body 10.
The theory of operation, this forged steel stop valve, at first rotatory hand wheel 6, drive the rotation of valve rod 4, because be threaded connection between valve rod 4 and the gag lever post 3, thereby can make valve rod 4 reciprocate, when stop valve 8 reachs the disk seat, the lower surface of hand wheel 6 contacts with the upper surface of gag lever post 3, make valve rod 4 can not continue downstream, this forged steel stop valve 8 is in the closure state this moment, if need open this forged steel stop valve reverse direction rotatory hand wheel 6, if stop valve 8 is impaired, when needing to change stop valve 8, tear the fixing bolt of first flange board 1 and second flange board 9 down, mention first gag lever post 3 and make first flange board 1 and the separation of second flange board 9, swivelling joint board 7, can make connecting plate 7 and stop valve 8 remove through the screw and change can.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A forged steel stop valve comprises a first flange plate (1) and is characterized in that a first through hole (2) is formed in the first flange plate (1), a first through groove is formed in the center of the first flange plate (1), a second flange plate (9) is arranged on the lower surface of the first flange plate (1), a second through hole is formed in the second flange plate (9), a second through groove is formed in the middle of the second flange plate (9), a limiting rod (3) is fixedly connected inside the first through groove, a valve rod (4) is in threaded connection inside the limiting rod (3), a plurality of fixing plates (5) are fixedly connected to the outer surface of the top end of the valve rod (4), a hand wheel (6) is fixedly connected to one end, away from the valve rod (4), of each fixing plate (5), and a connecting plate (7) is in threaded connection with the bottom end of the valve rod (4), the lower fixed surface of connecting plate (7) is connected with stop valve (8), one side fixedly connected with valve body (10) of first flange board (1) are kept away from in second flange board (9), the left and right sides face difference fixedly connected with first pipeline (11) and second pipeline (12) of valve body (10).
2. A forged steel shut-off valve according to claim 1,
the first through holes (2) are provided with a plurality of second through holes, the number of the second through holes is equal to that of the first through holes (2), and the second through holes correspond to the first through holes (2).
3. A forged steel shut-off valve according to claim 1,
the diameter of the second through hole is equal to that of the first through hole (2), and the first flange plate (1) is connected with the second flange plate (9) through bolts.
4. A forged steel shut-off valve according to claim 1,
the diameter of the second through groove is equal to that of the first through groove, and the second through groove is communicated with the first through groove.
5. A forged steel shut-off valve according to claim 1,
the bottom end of the valve rod (4) penetrates through the bottom end of the first through groove and the top end of the second through groove and is located inside the second through groove.
6. A forged steel shut-off valve according to claim 1,
the connecting plate (7) is of a circular structure, and the outer surface of the connecting plate (7) is in contact with the inner wall of the second through groove.
7. A forged steel shut-off valve according to claim 1,
the hand wheel (6) is positioned above the limiting rod (3), and the diameter of the hand wheel (6) is larger than that of the limiting rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162516.3U CN212899752U (en) | 2020-06-22 | 2020-06-22 | Forged steel stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162516.3U CN212899752U (en) | 2020-06-22 | 2020-06-22 | Forged steel stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899752U true CN212899752U (en) | 2021-04-06 |
Family
ID=75279329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021162516.3U Expired - Fee Related CN212899752U (en) | 2020-06-22 | 2020-06-22 | Forged steel stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899752U (en) |
-
2020
- 2020-06-22 CN CN202021162516.3U patent/CN212899752U/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: 20210406 |