CN220435582U - Natural gas pipeline safety valve - Google Patents
Natural gas pipeline safety valve Download PDFInfo
- Publication number
- CN220435582U CN220435582U CN202322118392.9U CN202322118392U CN220435582U CN 220435582 U CN220435582 U CN 220435582U CN 202322118392 U CN202322118392 U CN 202322118392U CN 220435582 U CN220435582 U CN 220435582U
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- China
- Prior art keywords
- valve body
- valve
- rod
- fixedly connected
- natural gas
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003345 natural gas Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model discloses a natural gas pipeline safety valve, which comprises a first valve body, wherein a valve rod is rotatably installed in the first valve body, a valve is fixedly sleeved on the outer surface of the valve rod, which is positioned in the first valve body, two ends of the valve rod penetrate through the outer surface of the first valve body, one end of the valve rod is fixedly connected with a rocking wheel, the lower end of the first valve body is provided with a limiting mechanism, the limiting mechanism comprises a connecting block fixedly connected with the other end of the valve rod, the lower end of the first valve body is fixedly provided with a supporting box, a sliding rod is slidably installed on the supporting box, the sliding rod penetrates through the outer surface of one side of the supporting box, one end of the sliding rod is fixedly connected with a U-shaped clamping rod, a spring is fixedly installed between the U-shaped clamping rod and the inner wall of one side of the supporting box, and the other end of the sliding rod is fixedly connected with a pulling block. According to the utility model, the valve rod is conveniently positioned through the limiting mechanism, so that the valve rod is prevented from shaking to loosen the valve, and the stability of the safety valve is improved.
Description
Technical Field
The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas pipeline safety valve.
Background
The natural gas pipeline safety valve is a special valve which is in a normally closed state under the action of external force and is used for preventing the medium pressure in the pipeline or the equipment from exceeding a specified value by discharging the medium to the outside of the system when the medium pressure in the equipment or the pipeline is increased to exceed the specified value.
General natural gas pipeline relief valve is through rocking wheel control pivoted, lacks limiting mechanism and fixes the valve rod, under the circumstances that the rocking wheel received external force or in long-time use, can make the valve rod take place to rock to cause the valve to take place not hard up, make the valve close not tight, cause the potential safety hazard easily, reduced the stability of relief valve, it is impractical, influence the normal use of relief valve.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a natural gas pipeline safety valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a natural gas pipeline relief valve, includes first valve body, first valve body internal rotation installs the valve rod, the surface fixed cover that the valve rod is located first valve body is equipped with the valve, the surface of first valve body is run through at the both ends of valve rod, the one end fixedly connected with rocking wheel of valve rod, the lower extreme of first valve body is equipped with stop gear, stop gear includes the connecting block of fixed connection at the valve rod other end, the lower extreme fixed mounting of first valve body has the support box, slidable mounting has the slide bar on the support box, the slide bar runs through one side surface of support box, the one end fixedly connected with U-shaped kelly of slide bar, slidable mounting is at the both ends of connecting block respectively at the both ends of U-shaped kelly, fixedly mounted has the spring between one side inner wall of support box, the other end fixedly connected with of slide bar draws the piece, the one end of first valve body is equipped with the telescopic machanism that makes first valve body extension.
As a further scheme of the utility model, two stop rods are fixedly arranged on the lower surface of the inner wall of the supporting box, the U-shaped clamping rod is slidably arranged between the two stop rods, a first limit rod is fixedly connected with the outer surface of one side of the supporting box, which is far away from the sliding rod, and the first limit rod is slidably arranged on the outer surface of one side of the connecting block.
As a further scheme of the utility model, the first valve body is fixedly provided with a loop bar near the outer surface of the rocking wheel, and the valve rod is rotatably arranged in the loop bar.
As a further scheme of the utility model, the telescopic mechanism comprises a sleeve plate which is slidably arranged on one side of the inner wall of the first valve body, the surface of the inner wall of the sleeve plate is fixedly provided with a second valve body, the outer surface of one side of the second valve body is fixedly provided with a long toothed bar, the outer surface of the first valve body is rotatably provided with a rotating shaft, the rotating shaft penetrates through the outer surface of the first valve body, one end of the rotating shaft is fixedly connected with a circular gear, the circular gear is meshed with the long toothed bar, and the other end of the rotating shaft is fixedly connected with a knob.
As a further scheme of the utility model, two fixing rods are uniformly and fixedly arranged on the outer surface of the second valve body, four second limiting rods are uniformly and fixedly arranged on the inner wall surface of one side, close to the second valve body, of the first valve body, the two fixing rods are respectively and slidably arranged between the four second limiting rods, a lantern ring is fixedly arranged on the inner wall of one side of the first valve body, the long toothed rod and the two fixing rods respectively penetrate through the outer surface of the lantern ring, and the long toothed rod and the two fixing rods are respectively and slidably connected with the lantern ring.
As a further scheme of the utility model, two first flanges are respectively and fixedly connected to one ends of the first valve body and the second valve body, which are far away from each other, two pipe bodies are respectively arranged on two sides of the first valve body and the second valve body, two second flanges are respectively and fixedly connected to one sides of the two pipe bodies, which are close to each other, of the two pipe bodies, and a plurality of screws are uniformly and spirally arranged between the two first flanges and the two second flanges.
The beneficial effects of the utility model are as follows:
1. due to the adoption of the limiting mechanism, the problem that the valve is not compact when the valve is closed due to shaking of the shaking wheel is effectively solved, the valve is conveniently positioned, the valve is prevented from being loosened due to shaking of the valve rod, the valve is not tightly closed, the stability of the safety valve is improved, and the safety valve is practical.
2. Because the telescopic mechanism is adopted, the problems that the safety valve is fixed in length and inconvenient to adjust are effectively solved, the length of the safety valve is convenient to adjust, and the functional usability of the safety valve is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a natural gas pipeline safety valve according to the present utility model;
fig. 2 is a schematic structural diagram of a telescopic mechanism of a natural gas pipeline safety valve according to the present utility model;
FIG. 3 is a cross-sectional view of a natural gas pipeline safety valve according to the present utility model;
fig. 4 is a schematic structural diagram of a limiting mechanism of a natural gas pipeline safety valve according to the present utility model;
fig. 5 is an enlarged view of the structure at a in fig. 2.
In the figure: 1. a first valve body; 2. a support box; 3. a first flange; 4. a second flange; 5. a tube body; 6. a screw; 7. a loop bar; 8. shaking wheel; 9. a valve stem; 10. a valve; 11. a connecting block; 12. a first stop lever; 13. a stop lever; 14. a U-shaped clamping rod; 15. a slide bar; 16. a spring; 17. pulling blocks; 18. a second valve body; 19. a sleeve plate; 20. a collar; 21. a second limit rod; 22. a fixed rod; 23. a long toothed bar; 24. a circular gear; 25. a rotating shaft; 26. and (5) a knob.
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.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Examples
Referring to fig. 1-5, a natural gas pipeline safety valve comprises a first valve body 1, a valve rod 9 is rotatably installed in the first valve body 1, a valve 10 is fixedly sleeved on the outer surface of the valve rod 9 in the first valve body 1, two ends of the valve rod 9 penetrate through the outer surface of the first valve body 1, one end of the valve rod 9 is fixedly connected with a rocking wheel 8, the lower end of the first valve body 1 is provided with a limiting mechanism, the limiting mechanism comprises a connecting block 11 fixedly connected with the other end of the valve rod 9, a supporting box 2 is fixedly arranged at the lower end of the first valve body 1, a sliding rod 15 is slidably installed on the supporting box 2, the sliding rod 15 penetrates through the outer surface of one side of the supporting box 2, one end of the sliding rod 15 is fixedly connected with a U-shaped clamping rod 14, two ends of the U-shaped clamping rod 14 are slidably installed at two ends of the connecting block 11 respectively, a spring 16 is fixedly installed between the U-shaped clamping rod 14 and the inner wall of one side of the supporting box 2, the other end of the sliding rod 15 is fixedly connected with a pulling block 17, one end of the first valve body 1 is provided with a telescopic mechanism which enables the first valve body 1 to stretch, and the valve rod 9 is conveniently positioned through the limiting mechanism, and the valve rod 9 is prevented from shaking to enable the valve 10 to loosen.
In this embodiment, two stop rods 13 are fixedly mounted on the lower surface of the inner wall of the support box 2, a U-shaped clamping rod 14 is slidably mounted between the two stop rods 13, a first limiting rod 12 is fixedly connected to the outer surface of one side of the support box 2, which is far away from the sliding rod 15, the first limiting rod 12 is slidably mounted on the outer surface of one side of the connecting block 11, and the shaking wheel 8 is prevented from excessively rotating through limiting of the first limiting rod 12, so that the valve 10 is closed again.
In this embodiment, the first valve body 1 is fixedly mounted on the outer surface of the rocking wheel 8, and the valve rod 9 is rotatably mounted in the sleeve rod 7 for protecting the valve rod 9.
In this embodiment, telescopic machanism includes the sleeve plate 19 of slidable mounting in one side of the inner wall of first valve body 1, sleeve plate 19 inner wall surface fixed mounting has second valve body 18, one side surface fixed mounting of second valve body 18 has long rack 23, the pivot 25 is installed in the surface rotation of first valve body 1, pivot 25 runs through the surface of first valve body 1, the one end fixedly connected with circular gear 24 of pivot 25, circular gear 24 meshes with long rack 23 mutually, the other end fixedly connected with knob 26 of pivot 25, through telescopic machanism, the length of relief valve is convenient for be adjusted.
In this embodiment, two fixing rods 22 are uniformly and fixedly installed on the outer surface of the second valve body 18, four second limiting rods 21 are uniformly and fixedly installed on the inner wall surface of the first valve body 1, which is close to one side of the second valve body 18, two fixing rods 22 are respectively and slidably installed between the four second limiting rods 21, a lantern ring 20 is fixedly installed on the inner wall of one side of the first valve body 1, a long toothed rod 23 and two fixing rods 22 respectively penetrate through the outer surface of the lantern ring 20, and the long toothed rod 23 and the two fixing rods 22 are respectively and slidably connected with the lantern ring 20.
In this embodiment, two first flanges 3 are fixedly connected to one ends of the first valve body 1 and the second valve body 18, which are far away from each other, respectively, two pipe bodies 5 are respectively disposed on two sides of the first valve body 1 and the second valve body 18, two second flanges 4 are respectively fixedly connected to one sides of the two pipe bodies 5, which are close to each other, respectively, and a plurality of screws 6 are uniformly screwed between the two first flanges 3 and the two second flanges 4, respectively.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: when the valve 10 needs to be opened, the pull block 17 is pulled to enable the slide rod 15 to slide on one side of the support box 2 to squeeze the spring 16, the U-shaped clamping rod 14 is driven to slide between the two stop rods 13 and separate from the outer surfaces of the two ends of the connecting block 11, the locking of the connecting block 11 is released, the rocking wheel 8 is rotated to enable the valve 10 to be in an open state, meanwhile, the pull block 17 is released, the U-shaped clamping rod 14 is used for blocking the connecting block 11, the rocking wheel 8 is prevented from being excessively rotated, the valve 10 is enabled to be closed again, when the distance between two natural gas pipelines is insufficient, the rotary shaft 25 is enabled to drive the round gear 24 to rotate through the knob 26, the sleeve plate 19 on the second valve body 18 is driven to slide on the inner wall of the first valve body 1, meanwhile, the two fixing rods 22 slide between the four second limiting rods 21, the second valve body 18 extends out of the first valve body 1, the safety valve is conveniently prolonged, the length of the safety valve is adjusted, and the applicability of the safety valve is increased.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a natural gas pipeline relief valve, includes first valve body (1), its characterized in that, valve rod (9) are installed to first valve body (1) internal rotation, surface fixed cover that valve rod (9) are located first valve body (1) is equipped with valve (10), the surface of first valve body (1) is run through at the both ends of valve rod (9), the one end fixedly connected with of valve rod (9) shakes round (8), the lower extreme of first valve body (1) is equipped with stop gear, stop gear includes connecting block (11) of fixed connection at valve rod (9) other end, the lower extreme fixed mounting of first valve body (1) has support box (2), slidable mounting has slide bar (15) on support box (2), one side surface that support box (2) is run through to slide bar (15), one end fixedly connected with U-shaped clamping rod (14) of slide bar (15), the both ends of U-shaped clamping rod (14) slidable mounting respectively at the both ends of connecting block (11), the other end that support box (2) and support box (2) have between one side of spring (16), one end (1) are equipped with extension mechanism (17).
2. The natural gas pipeline safety valve according to claim 1, wherein two stop rods (13) are fixedly arranged on the lower surface of the inner wall of the supporting box (2), the U-shaped clamping rod (14) is slidably arranged between the two stop rods (13), a first limiting rod (12) is fixedly connected to the outer surface of one side, far away from the sliding rod (15), of the supporting box (2), and the first limiting rod (12) is slidably arranged on the outer surface of one side of the connecting block (11).
3. A natural gas pipeline safety valve according to claim 1, characterized in that the first valve body (1) is fixedly provided with a sleeve rod (7) close to the outer surface of the rocking wheel (8), and the valve rod (9) is rotatably arranged in the sleeve rod (7).
4. The natural gas pipeline safety valve according to claim 1, wherein the telescopic mechanism comprises a sleeve plate (19) slidably mounted on one side of the inner wall of the first valve body (1), a second valve body (18) is fixedly mounted on the inner wall surface of the sleeve plate (19), a long toothed bar (23) is fixedly mounted on the outer surface of one side of the second valve body (18), a rotating shaft (25) is rotatably mounted on the outer surface of the first valve body (1), the rotating shaft (25) penetrates through the outer surface of the first valve body (1), a circular gear (24) is fixedly connected to one end of the rotating shaft (25), the circular gear (24) is meshed with the long toothed bar (23), and a knob (26) is fixedly connected to the other end of the rotating shaft (25).
5. The natural gas pipeline safety valve according to claim 4, wherein two fixing rods (22) are uniformly and fixedly installed on the outer surface of the second valve body (18), four second limiting rods (21) are uniformly and fixedly installed on the inner wall surface of one side, close to the second valve body (18), of the first valve body (1), two fixing rods (22) are respectively and slidably installed between the four second limiting rods (21), a lantern ring (20) is fixedly installed on the inner wall of one side of the first valve body (1), long tooth rods (23) and the two fixing rods (22) respectively penetrate through the outer surface of the lantern ring (20), and the long tooth rods (23) and the two fixing rods (22) are respectively and slidably connected with the lantern ring (20).
6. The natural gas pipeline safety valve according to claim 4, wherein two first flanges (3) are fixedly connected to one ends, away from each other, of the first valve body (1) and the second valve body (18), two pipe bodies (5) are respectively arranged on two sides, away from each other, of the first valve body (1) and the second valve body (18), two second flanges (4) are fixedly connected to one sides, close to each other, of the two pipe bodies (5), and a plurality of screws (6) are uniformly screwed between the two first flanges (3) and the two second flanges (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322118392.9U CN220435582U (en) | 2023-08-08 | 2023-08-08 | Natural gas pipeline safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322118392.9U CN220435582U (en) | 2023-08-08 | 2023-08-08 | Natural gas pipeline safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220435582U true CN220435582U (en) | 2024-02-02 |
Family
ID=89695939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322118392.9U Active CN220435582U (en) | 2023-08-08 | 2023-08-08 | Natural gas pipeline safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220435582U (en) |
-
2023
- 2023-08-08 CN CN202322118392.9U patent/CN220435582U/en active Active
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