CN220416408U - Flow regulating valve of natural gas pipeline - Google Patents
Flow regulating valve of natural gas pipeline Download PDFInfo
- Publication number
- CN220416408U CN220416408U CN202322093287.4U CN202322093287U CN220416408U CN 220416408 U CN220416408 U CN 220416408U CN 202322093287 U CN202322093287 U CN 202322093287U CN 220416408 U CN220416408 U CN 220416408U
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- valve
- valve rod
- natural gas
- gear ring
- rod
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000003345 natural gas Substances 0.000 title claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to the technical field of regulating valves, and discloses a flow regulating valve for a natural gas pipeline, which comprises a valve body, a valve core, a first valve rod, a second valve rod and a rotating handle, wherein the valve core is positioned in the valve body; the periphery of the first valve rod is fixedly provided with an outer gear ring which is fixedly connected with the bottom of the rotary handle, the top of the valve body is fixedly provided with an inner gear ring which is positioned on the periphery of the first valve rod, and the outer gear ring is meshed with the inner gear ring. According to the utility model, the position of the valve rod can be fixed, so that the angle of the valve core in the valve body is fixed, the phenomenon of automatic deviation of the valve core angle can not occur, the angle of the valve core is not required to be adjusted, and the cost input of the regulating valve is reduced.
Description
Technical Field
The utility model relates to the technical field of regulating valves, in particular to a flow regulating valve of a natural gas pipeline.
Background
In the transportation of natural gas pipelines, a regulating valve is indispensable, the regulating valve is generally installed on the natural gas pipeline, and the opening degree of a valve core is regulated to control the natural gas flow in the pipeline and further control the pressure in the pipeline.
The patent number is CN215596425U, discloses a natural gas flow regulating valve, and it includes the valve body, be provided with the case in the valve body, fixedly connected with valve rod on the case, valve rod one end with the valve body passes through the bearing and rotates to be connected, and the other end stretches out the valve body is connected with the drive valve rod pivoted drive arrangement, the valve rod with the one end fixedly connected with angle sensor that the valve body rotated to be connected, angle sensor with the coaxial setting of valve rod.
In the scheme, the angle sensor detects the offset angle of the valve core, and the driving device automatically adjusts the angle of the valve core, but if the position of the valve rod is fixed, the valve core cannot be angularly offset, so that the automatic adjusting and moving in the scheme is not needed, and the investment of cost is reduced. For this purpose, a flow control valve for natural gas pipelines is proposed.
Disclosure of Invention
The utility model aims to solve the problem of high cost of a flow regulating valve in the prior art, and provides the flow regulating valve for a natural gas pipeline.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a flow control valve of natural gas line, includes valve body, case, first valve rod, second valve rod and turning handle, the case is located the inside of valve body, the top of case is rotated with the top of valve body through first valve rod and is connected, the lower extreme of second valve rod and the upper end telescopic connection of first valve rod, and the upper end and the turning handle fixed connection of second valve rod; the periphery of the first valve rod is fixedly provided with an outer gear ring which is fixedly connected with the bottom of the rotary handle, the top of the valve body is fixedly provided with an inner gear ring which is positioned on the periphery of the first valve rod, and the outer gear ring is meshed with the inner gear ring.
Preferably, the upper end of the first valve rod is provided with a slot, the lower end of the second valve rod is inserted into the slot, the rod wall of the second valve rod is symmetrically and fixedly provided with two limiting blocks, and both sides of the slot are provided with limiting grooves matched with the limiting blocks.
Preferably, a magnet block is fixedly arranged at the bottom of the slot, and the lower end of the second valve rod is magnetically adsorbed with the magnet block.
Preferably, the inner side wall of the outer gear ring is symmetrically and fixedly provided with two connecting rods, and the upper ends of the two connecting rods are fixedly connected with the bottom of the rotating handle.
Preferably, a sealing bearing is arranged at the joint of the first valve rod and the valve body.
Preferably, an angle indicator is fixedly arranged at the top of the rotary handle, and corresponds to the angle of the valve core.
Compared with the prior art, the utility model provides the flow regulating valve of the natural gas pipeline, which has the following beneficial effects:
1. this natural gas line's flow control valve, through outer ring gear and the ring gear that are equipped with, make first valve rod and second valve rod drive case angle rotation through rotating the turning handle, can obtain the flow to natural gas line and adjust, wait to adjust the back, push down the second valve rod for the lower extreme of second valve rod inserts in the inside of first valve rod, and the outer ring gear inserts the inside of ring gear this moment, makes the position of first valve rod and second valve rod obtain the restriction, thereby makes the angle of case obtain fixing, the phenomenon of case angle deviation can not appear.
2. This natural gas line's flow control valve through slot, stopper, spacing groove and the magnet piece that sets up between first valve rod and second valve rod, but telescopic movement between first valve rod and the second valve rod can make outer ring gear and ring gear meshing or separation, and the cooperation of rethread stopper and spacing groove for first valve rod and second valve rod can drive the case and rotate and adjust the flow.
The device has the advantages that the position of the valve rod can be fixed, the angle of the valve core in the valve body is fixed, the phenomenon of automatic deviation of the valve core angle can not occur, the angle of the valve core is not required to be adjusted, and the cost investment of the regulating valve is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a flow control valve for a natural gas pipeline according to the present utility model;
FIG. 2 is an enlarged view of the portion A of FIG. 1;
fig. 3 is a top view of the outer ring gear and the ring gear of fig. 2.
In the figure: 1. a valve body; 2. a valve core; 3. a first valve stem; 4. a second valve stem; 5. a rotating handle; 6. an outer ring gear; 7. an inner gear ring; 8. a limiting block; 9. a limit groove; 10. a magnet block; 11. a connecting rod; 12. sealing the bearing; 13. an angle indicator. .
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a flow regulating valve for a natural gas pipeline comprises a valve body 1, a valve core 2, a first valve rod 3, a second valve rod 4 and a rotating handle 5, wherein the valve core 2 is positioned in the valve body 1, the top of the valve core 2 is rotationally connected with the top of the valve body 1 through the first valve rod 3, a sealing bearing 12 is arranged at the joint of the first valve rod 3 and the valve body 1, the sealing bearing 12 can ensure the rotation tightness between the first valve rod 3 and the valve body 1, the lower end of the second valve rod 4 is telescopically connected with the upper end of the first valve rod 3, the upper end of the second valve rod 4 is fixedly connected with the rotating handle 5, and the rotating handle 5 enables the first valve rod 3 and the second valve rod 4 to rotate together, so that the angle of the valve core 2 in the valve body 1 can be regulated, and the flow in the natural gas pipeline can be regulated; the periphery of first valve rod 3 is fixed and is equipped with outer ring gear 6, and the bottom fixed connection of outer ring gear 6 and stem 5, the inside wall symmetry fixed of outer ring gear 6 is equipped with fixedly and is equipped with two connecting rods 11, the upper end of two connecting rods 11 all with the bottom fixed connection of stem 5, the top of valve body 1 is fixed and is located the periphery of first valve rod 3 and is fixedly equipped with ring gear 7, outer ring gear 6 and ring gear 7 meshing set up, when second valve rod 4 moves down, make outer ring gear 6 insert the inside of ring gear 7, thereby can fix the position of first valve rod 3 and second valve rod 4, make case 2 can not take place the angular deviation.
The upper end of the first valve rod 3 is provided with a slot, and the lower end of the second valve rod 4 is inserted into the slot, so that the first valve rod 3 and the second valve body 4 can move in a telescopic way; two limiting blocks 8 are symmetrically and fixedly arranged on the rod wall of the second valve rod 4, limiting grooves 9 matched with the limiting blocks 8 are formed in two sides of the slot, and the limiting blocks 8 and the limiting grooves 9 can be matched to avoid rotation between the first valve rod 3 and the second valve body 4, so that the first valve rod 3 and the second valve body 4 can rotate together; the bottom of the slot is fixedly provided with a magnet block 10, the lower end of the second valve rod 4 is magnetically adsorbed with the magnet block 10, and the second valve rod 4 is fully inserted into the slot and then magnetically adsorbed with the magnet block 10, so that the connection stability of the second valve rod 4 and the first valve rod 3 can be improved.
Simultaneously, the fixed angle indicator 13 that is equipped with in top of stem 5, and angle indicator 13 is corresponding with the angle of case 2, and stem 5 makes angle indicator 13 rotatory together at rotatory in-process to the skew angle of case 2 can be observed through angle indicator 13 to the inside flow of control valve body 1 that can be accurate.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a flow control valve of natural gas line, includes valve body (1), case (2), first valve rod (3), second valve rod (4) and stem (5), its characterized in that: the valve core (2) is positioned in the valve body (1), the top of the valve core (2) is rotationally connected with the top of the valve body (1) through the first valve rod (3), the lower end of the second valve rod (4) is telescopically connected with the upper end of the first valve rod (3), and the upper end of the second valve rod (4) is fixedly connected with the rotating handle (5);
the outer gear ring (6) is fixedly arranged on the periphery of the first valve rod (3), the outer gear ring (6) is fixedly connected with the bottom of the rotary handle (5), the top of the valve body (1) is fixedly provided with the inner gear ring (7) and is positioned on the periphery of the first valve rod (3), and the outer gear ring (6) is meshed with the inner gear ring (7).
2. A natural gas pipeline flow regulating valve as claimed in claim 1, wherein: the upper end of first valve rod (3) has seted up the slot, the lower extreme of second valve rod (4) inserts in the inside of slot, the fixed two stopper (8) that are equipped with of the pole wall symmetry of second valve rod (4), limit groove (9) with stopper (8) matched with are all seted up to the both sides of slot.
3. A natural gas pipeline flow regulating valve as claimed in claim 2, wherein: the bottom of the slot is fixedly provided with a magnet block (10), and the lower end of the second valve rod (4) is magnetically adsorbed with the magnet block (10).
4. A natural gas pipeline flow regulating valve as claimed in claim 1, wherein: the inner side wall of the outer gear ring (6) is symmetrically and fixedly provided with two connecting rods (11), and the upper ends of the two connecting rods (11) are fixedly connected with the bottom of the rotating handle (5).
5. A natural gas pipeline flow regulating valve as claimed in claim 1, wherein: a sealing bearing (12) is arranged at the joint of the first valve rod (3) and the valve body (1).
6. A natural gas pipeline flow regulating valve as claimed in claim 1, wherein: the top of the rotary handle (5) is fixedly provided with an angle indicator (13), and the angle indicator (13) corresponds to the angle of the valve core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322093287.4U CN220416408U (en) | 2023-08-05 | 2023-08-05 | Flow regulating valve of natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322093287.4U CN220416408U (en) | 2023-08-05 | 2023-08-05 | Flow regulating valve of natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220416408U true CN220416408U (en) | 2024-01-30 |
Family
ID=89643111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322093287.4U Active CN220416408U (en) | 2023-08-05 | 2023-08-05 | Flow regulating valve of natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220416408U (en) |
-
2023
- 2023-08-05 CN CN202322093287.4U patent/CN220416408U/en active Active
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