CN212564485U - Precise control valve for controlling quantity in natural gas pipeline - Google Patents
Precise control valve for controlling quantity in natural gas pipeline Download PDFInfo
- Publication number
- CN212564485U CN212564485U CN202020818250.7U CN202020818250U CN212564485U CN 212564485 U CN212564485 U CN 212564485U CN 202020818250 U CN202020818250 U CN 202020818250U CN 212564485 U CN212564485 U CN 212564485U
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- China
- Prior art keywords
- worm
- bevel gear
- natural gas
- speed change
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000003345 natural gas Substances 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000008859 change Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a precision control valve for accuse volume in natural gas pipeline, including the valve body, be provided with switch knob on the valve body, this internal closing mechanism that can open or close the valve body that is provided with of valve, switch knob with closing mechanism connects be provided with the turbine on the switch knob, be provided with the worm supporting seat on the valve body, install the worm on the worm supporting seat, the worm with the turbine meshing transmission, the worm both ends are provided with first speed change mechanism and second speed change mechanism respectively, first speed change mechanism drive ratio is greater than second speed change mechanism.
Description
Technical Field
The utility model relates to a natural gas valve technical field, concretely relates to a precision control valve that is arranged in natural gas pipeline accuse volume.
Background
The natural gas valve is a safety matching device of a gas pipeline project, the safety matching device is used for cutting off and switching on gas in a regulating pipeline, the safety matching device has good control characteristic and sealing performance, along with the continuous improvement of the living standard of people, the application of natural gas is more and more extensive, therefore, the safety of natural gas use is more and more concerned about by people, hope that the working efficiency of equipment can be improved through innovation of the natural gas valve, the safety is improved, the maximum value is given to the improvement, along with the development of science and technology, the natural gas valve has great development degree, the development of the natural gas valve brings great convenience to people when the natural gas valve is installed, and the type and the quantity of the natural gas valve are also increasing day by day.
However, the existing natural gas valve cannot provide a structure capable of precisely adjusting and solving the problem of emergency quick closing of the valve, and even though the existing precise adjusting structure can achieve the effects of precisely adjusting and maintaining stability, the valve needs to be closed very slowly due to unexpected fire and the like, and the natural gas valve with a precise control valve, strong stability and a quick closing structure cannot be provided.
Thus, the existing natural gas valve is further improved.
Disclosure of Invention
The utility model aims at providing a precision control valve who is arranged in natural gas pipeline accuse volume.
In order to achieve the above purpose, the utility model adopts the following scheme:
the utility model provides a precision control valve for natural gas pipeline well accuse volume, including the valve body, be provided with switch knob on the valve body, this internal closing mechanism that can open or close the valve body that is provided with of valve, switch knob with closing mechanism connects be provided with the turbine on the switch knob, be provided with the worm supporting seat on the valve body, install the worm on the worm supporting seat, the worm with the turbine meshing transmission, the worm both ends are provided with first speed change mechanism and second speed change mechanism respectively, first speed change mechanism drive ratio is greater than second speed change mechanism.
Further, the turbine is arranged at the upper end of the switch knob, and the switch knob and the turbine are coaxially arranged.
Further, the worm supporting seat is transversely arranged, a mounting hole is formed in the worm supporting seat, and a worm is rotatably arranged in the mounting hole.
Further, an axial limiting ring attached to the surface of the worm supporting seat is arranged on the worm.
Furthermore, a supporting plate is arranged on the valve body;
the first speed change mechanism comprises a first driven bevel gear arranged at one shaft end of the worm, a first rotating shaft hole is formed in the supporting plate, a first driving bevel gear is installed in the first rotating shaft hole, and the first driving bevel gear is meshed with the first driven bevel gear;
the second speed change mechanism comprises a second driven bevel gear arranged at the other end of the worm, a second rotating shaft hole is formed in the supporting plate, a second driving bevel gear is installed in the second rotating shaft hole, and the second driven bevel gear is meshed with the second driving bevel gear.
Further, the diameter of the first driven bevel gear is smaller than that of the second driven bevel gear, and the diameter of the first driving bevel gear is larger than that of the second driving bevel gear.
Furthermore, a quick adjusting handle capable of quickly closing or opening the valve is arranged on the first driving bevel gear.
Furthermore, a precise adjusting knob is arranged on the second driving bevel gear, a dial is arranged on the surface of a supporting plate on the circumferential outer wall of the precise adjusting knob, and a pointer matched with the dial is arranged on the circumferential outer wall of the precise adjusting knob.
Furthermore, the sealing mechanism comprises a ball sleeve arranged in the passage of the valve body, a ball body is rotationally arranged in the ball sleeve, and a passage is arranged in the ball body in a penetrating manner.
To sum up, the utility model discloses for its beneficial effect of prior art is:
the utility model provides a problem that natural gas valve exists, when can accurate adjusting valve size, can also guarantee the stability of valve, guarantee that long-time the use can not squint, meet emergency simultaneously and can also the quick-closing valve, and simple structure, convenient to use.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a top view of the present invention.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a precise control valve for controlling the quantity in a natural gas pipeline comprises a valve body 1, wherein a switch knob 2 is arranged on the valve body 1, a closing mechanism 3 capable of opening or closing the valve body 1 is arranged in the valve body 1, the switch knob 2 is connected with the closing mechanism 3, a turbine 4 is arranged on the switch knob 2, a worm support seat 5 is arranged on the valve body 1, a worm 6 is arranged on the worm support seat 5, the worm 6 and the turbine 4 are in meshed transmission, a first speed change mechanism 7 and a second speed change mechanism 8 are respectively arranged at two ends of the worm 6, the transmission ratio of the first speed change mechanism 7 is greater than that of the second speed change mechanism 8, the turbine 4 of the utility model is arranged at the upper end of the switch knob 2, the switch knob 2 and the turbine 4 are coaxially arranged, the worm support seat 5 of the utility model is transversely arranged, be provided with mounting hole 501 on worm supporting seat 5, worm 6 is installed to the mounting hole 501 internal rotation, the utility model discloses be provided with the axial spacing ring 601 of laminating in 5 surfaces of worm supporting seat on the worm 6, the closing mechanism 3 is including setting up the ball cover 301 at 1 passageway of valve body, the internal rotation of ball cover 301 is provided with spheroid 302, run through being provided with passageway 303 in the spheroid 302.
During operation, the valve opening size is adjusted by fine adjustment of the slow transmission ratio of the second speed change mechanism 8, and when emergency occurs, the valve can be quickly closed through the quick transmission ratio of the first speed change mechanism 7.
The valve body 1 of the utility model is provided with a support plate 700; the first speed change mechanism 7 comprises a first driven bevel gear 701 arranged at one shaft end of the worm 6, a first rotating shaft hole 702 is arranged on the support plate 700, a first driving bevel gear 703 is arranged in the first rotating shaft hole 702, and the first driving bevel gear 703 is meshed with the first driven bevel gear 701; second speed change mechanism 8 is including setting up the second driven bevel gear 704 at the worm 6 other end be provided with second pivot hole 705 in the backup pad 700, install second drive bevel gear 706 in the second pivot hole 705, second driven bevel gear 704 with second drive bevel gear 706 meshes, first driven bevel gear 701 diameter is less than second driven bevel gear 704, first drive bevel gear 703 diameter is greater than second drive bevel gear 706.
The structure principle is as follows: the second driving bevel gear 706 is rotated to drive the second driven bevel gear 704 to rotate, the second driven bevel gear 704 rotates slowly to achieve fine adjustment, and the first driving bevel gear 703 and the first driven bevel gear 701 at the other end are adjusted to be meshed for transmission, so that more instantaneous transmission is achieved.
The utility model discloses be provided with the quick adjustment handle 80 that can the quick shutdown or open the valve on the first drive bevel gear 703, the utility model discloses be provided with accurate adjust knob 9 on the second drive bevel gear 706, the backup pad 700 surface of 9 circumference outer walls of accurate adjust knob is provided with calibrated scale 901, 9 circumference outer walls of accurate adjust knob are provided with the pointer 902 that uses with calibrated scale 901 cooperation.
When the valve is used, the first speed change mechanism 7 is controlled by adjusting the quick adjusting handle 80, the second speed change mechanism 8 is adjusted by the precise adjusting knob 9, and the cooperation of the dial 901 and the pointer 902 enables an operator to better observe the opening size of the valve and observe opening parameters.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a precision control valve for natural gas pipeline well accuse volume, including valve body (1), be provided with on valve body (1) switch knob (2), be provided with in valve body (1) and open or close closing mechanism (3) of valve body (1), switch knob (2) with closing mechanism (3) are connected, its characterized in that: be provided with worm wheel (4) on switch knob (2), be provided with worm supporting seat (5) on valve body (1), install worm (6) on worm supporting seat (5), worm (6) with worm wheel (4) meshing transmission, worm (6) both ends are provided with first speed change mechanism (7) and second speed change mechanism (8) respectively, first speed change mechanism (7) drive ratio is greater than second speed change mechanism (8).
2. A fine control valve for the central control of natural gas pipelines according to claim 1, characterized in that the turbine (4) is arranged at the upper end of a switch knob (2), the switch knob (2) and the turbine (4) being coaxially arranged.
3. The precise control valve for the central control of the natural gas pipeline according to claim 1 or 2, characterized in that a worm support seat (5) is transversely arranged, a mounting hole (501) is arranged on the worm support seat (5), and a worm (6) is rotatably arranged in the mounting hole (501).
4. A fine control valve for the central control of natural gas pipelines according to claim 3, characterized in that the worm (6) is provided with an axial stop ring (601) which is fitted on the surface of the worm support seat (5).
5. A fine control valve for the central control of natural gas pipelines according to claim 3, characterized in that the valve body (1) is provided with a support plate (700);
the first speed change mechanism (7) comprises a first driven bevel gear (701) arranged at one shaft end of the worm (6), a first rotating shaft hole (702) is formed in the supporting plate (700), a first driving bevel gear (703) is installed in the first rotating shaft hole (702), and the first driving bevel gear (703) is meshed with the first driven bevel gear (701);
the second speed change mechanism (8) comprises a second driven bevel gear (704) arranged at the other end of the worm (6), a second rotating shaft hole (705) is formed in the supporting plate (700), a second driving bevel gear (706) is installed in the second rotating shaft hole (705), and the second driven bevel gear (704) is meshed with the second driving bevel gear (706).
6. A fine control valve for the amount control in natural gas pipelines according to claim 5, characterized in that the diameter of the first driven bevel gear (701) is smaller than that of the second driven bevel gear (704), and the diameter of the first driving bevel gear (703) is larger than that of the second driving bevel gear (706).
7. The precise control valve for the central control of natural gas pipelines according to claim 6, characterized in that the first bevel drive gear (703) is provided with a quick adjusting handle (80) which can quickly close or open the valve.
8. The precise control valve for the central control of the natural gas pipeline according to claim 6, characterized in that the second bevel drive gear (706) is provided with a precise adjusting knob (9), the surface of the supporting plate (700) on the outer circumferential wall of the precise adjusting knob (9) is provided with a dial (901), and the outer circumferential wall of the precise adjusting knob (9) is provided with a pointer (902) which is matched with the dial (901) for use.
9. The precise control valve for the central control of the natural gas pipeline according to the claim 1 or 2 is characterized in that the closing mechanism (3) comprises a ball sleeve (301) arranged in a passage of the valve body (1), a ball body (302) is rotationally arranged in the ball sleeve (301), and a passage (303) is arranged in the ball body (302) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020818250.7U CN212564485U (en) | 2020-05-15 | 2020-05-15 | Precise control valve for controlling quantity in natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020818250.7U CN212564485U (en) | 2020-05-15 | 2020-05-15 | Precise control valve for controlling quantity in natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212564485U true CN212564485U (en) | 2021-02-19 |
Family
ID=74623794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020818250.7U Expired - Fee Related CN212564485U (en) | 2020-05-15 | 2020-05-15 | Precise control valve for controlling quantity in natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212564485U (en) |
-
2020
- 2020-05-15 CN CN202020818250.7U patent/CN212564485U/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 |
Granted publication date: 20210219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |