CN211599840U - Natural gas pipeline connecting flange with good high-pressure-resistant sealing performance - Google Patents
Natural gas pipeline connecting flange with good high-pressure-resistant sealing performance Download PDFInfo
- Publication number
- CN211599840U CN211599840U CN202020039179.2U CN202020039179U CN211599840U CN 211599840 U CN211599840 U CN 211599840U CN 202020039179 U CN202020039179 U CN 202020039179U CN 211599840 U CN211599840 U CN 211599840U
- Authority
- CN
- China
- Prior art keywords
- flange
- fixedly connected
- natural gas
- sealing performance
- high pressure
- Prior art date
- 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
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003345 natural gas Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 title claims description 18
- 239000007787 solid Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model discloses a natural gas line flange that high pressure resistant leakproofness is good, including first flange and second flange, one side that the second flange was kept away from to first flange is equipped with the bolt, first flange and second flange are run through in proper order to the one end of bolt, be threaded connection between bolt and first flange and the second flange, the second flange is close to one side fixedly connected with solid fixed ring of first flange, first flange is close to and is equipped with the fixed slot corresponding with solid fixed ring on the lateral wall of second flange, gu fixed ring keeps away from the one end of second flange and extends to in the fixed slot, evenly distributed has a plurality ofly to put the thing groove on the lateral wall of first flange, it is equipped with the carousel in the thing groove to put, the lower extreme fixedly connected with dead lever of carousel. The utility model discloses a fixed establishment's setting is consolidated behind the flange joint, prevents that the condition that compactness descends from taking place, improves factor of safety.
Description
Technical Field
The utility model relates to a flange technical field especially relates to a natural gas line flange that high pressure resistant leakproofness is good.
Background
Flange connection is a detachable joint which is formed by fixing two pipelines, pipe fittings or equipment on a flange respectively, then adding a flange pad between the two flanges, and finally tightening the two flanges by bolts to tightly combine the two flanges. It is possible to achieve a connection between a stationary pipeline, as is commonly used in natural gas pipelines, to a rotating or reciprocating device.
However, the existing natural gas pipeline connecting flange is simple in structure and poor in sealing performance, and after the flange is used for a long time, the situation that the tightness is reduced between the flange and the flange exists certain potential safety hazards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving flange simple structure, leakproofness poor, long-term the back of using, the condition that compactness descends can appear between flange and the flange, has certain potential safety hazard, and the natural gas line flange that a high pressure resistant leakproofness is good that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a natural gas pipeline connecting flange with good high-pressure resistance and sealing performance comprises a first flange and a second flange, wherein a bolt is arranged on one side, away from the second flange, of the first flange, one end of the bolt sequentially penetrates through the first flange and the second flange, the bolt is in threaded connection with the first flange and the second flange, a fixing ring is fixedly connected to one side, close to the first flange, of the second flange, a fixing groove corresponding to the fixing ring is formed in the side wall, close to the second flange, of the first flange, one end, away from the second flange, of the fixing ring extends into the fixing groove, a plurality of object placing grooves are uniformly distributed in the outer side wall of the first flange, a rotary disc is arranged in each object placing groove, fixing rods are fixedly connected to the lower end of the rotary disc, a plurality of wedge-shaped grooves corresponding to the fixing rods are uniformly distributed in the outer side wall of the fixing ring, and the lower ends of the fixing rods penetrate, the improved rotary table is characterized in that a sliding groove is formed in the inner side wall of the storage groove, a clamping rod is connected in the sliding groove, a spring is fixedly connected between the clamping rod and the inner side wall of the sliding groove, a plurality of clamping holes corresponding to the clamping rod are uniformly distributed in the outer side wall of the rotary table, one end, far away from the spring, of the clamping rod extends into the clamping holes, a handle is fixedly connected to the upper end of the clamping rod, an opening communicated with the sliding groove is formed in the outer side wall of the first flange, and the opening is penetrated through the.
Preferably, the first flange and the second flange are fixedly connected with a connecting pipe on opposite sides.
Preferably, the fixed slot inside wall is fixedly connected with a first rubber ring, and the first rubber ring is abutted to the fixed ring.
Preferably, one side of the second flange close to the first flange is fixedly connected with a second rubber ring, one side of the first flange close to the second flange is provided with a sealing groove corresponding to the second rubber ring, and one end of the second rubber ring far away from the second flange extends into the sealing groove.
Preferably, the upper end of the rotating disc is provided with an inner hexagonal slot.
Preferably, the lower end of the rotating disc is fixedly connected with a rubber pad.
Has the advantages that:
1. the first flange is aligned with the second flange, the first flange and the second flange are combined together, the fixing ring extends into the fixing groove, the bolt is screwed, the handle is pushed to drive the clamping rod to move, the spring is compressed at the same time, the clamping rod is enabled to fall off from the clamping hole, the turntable is rotated to drive the fixing rod, the fixing rod extends into the wedge-shaped groove through the effect of threaded engagement and abuts against the wedge-shaped surface in the wedge-shaped groove, so that the tightness when the first flange is connected with the second flange is improved, at the moment, the handle is loosened, the clamping rod is pushed under the restoring force effect of the spring and extends into the clamping hole, so that the turntable is prevented from loosening, the utility model discloses a fixing mechanism is arranged, the flange is reinforced after being connected, the situation of tightness reduction is prevented, and the safety coefficient is improved;
2. through the setting of connecting pipe, can make things convenient for the welding between pipeline and the flange, through the setting of first rubber circle, can improve the leakproofness between solid fixed ring and the fixed slot inside wall, through the setting of second rubber circle, can improve the leakproofness between first flange and the second flange, through the setting of interior hexagonal slot, can convenience of customers rotate the carousel, through the setting of rubber pad, can improve the carousel and put the frictional force between the terminal lateral wall in the thing groove, prevent that the carousel is not hard up.
Drawings
Fig. 1 is a schematic structural view of a natural gas pipeline connecting flange with good high pressure resistance and sealing performance provided by the present invention;
fig. 2 is a schematic side sectional view of the AA position of the natural gas pipeline connecting flange with good high pressure resistance and sealing performance provided by the present invention;
fig. 3 is the utility model provides a natural gas line flange's that high pressure resistant leakproofness is good a structural sketch map.
In the figure: 1-bolt, 2-fixed ring, 3-connecting pipe, 4-first flange, 5-first rubber ring, 6-fixed rod, 7-second flange, 8-second rubber ring, 9-clamping rod, 10-handle, 11-spring, 12-rotary table, 13-rubber pad and 14-inner hexagonal slot.
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.
Referring to fig. 1-3, a natural gas pipeline connecting flange with good high pressure resistance and sealing performance comprises a first flange 4 and a second flange 7, wherein a bolt 1 is arranged on one side of the first flange 4 away from the second flange 7 and used for fixing the two flanges together, one end of the bolt 1 sequentially penetrates through the first flange 4 and the second flange 7, the bolt 1 is in threaded connection with the first flange 4 and the second flange 7, a fixing ring 2 is fixedly connected to one side of the second flange 7 close to the first flange 4 and used for preventing the two flanges from loosening, a fixing groove corresponding to the fixing ring 2 is arranged on the side wall of the first flange 4 close to the second flange 7, one end of the fixing ring 2 away from the second flange 7 extends into the fixing groove, a plurality of object placing grooves are uniformly distributed on the outer side wall of the first flange 4, a rotary table 12 is arranged in the object placing grooves and used for driving a fixing rod 6, and a fixing rod 6 is fixedly connected to, a one end that is used for fixing the position of solid fixed ring 2 is fixed, evenly distributed has a plurality ofly and the corresponding wedge type groove of dead lever 6 on solid fixed ring 2's the lateral wall, the lower extreme of dead lever 6 runs through first flange 4 and extends to the wedge type inslot, it is equipped with the spout on the inslot lateral wall to put, sliding connection has kelly 9 in the spout, be used for preventing that carousel 12 is not hard up, fixedly connected with spring 11 between kelly 9 and the spout inside wall, be used for restoring to the throne 9 kelly, evenly distributed has a plurality ofly and the corresponding card hole of kelly 9 on carousel 12's the lateral wall, spring 11 is kept away from to kelly 9 extends to the card downthehole, the upper end fixedly connected with handle 10 of kelly 9, be used for convenience of customers to release kelly 9 from the card downthehole, be equipped with the.
In this embodiment, the opposite sides of the first flange 4 and the second flange 7 are fixedly connected with a connecting pipe 3 for facilitating the welding between the pipeline and the flange, the inner side wall of the fixing groove is fixedly connected with a first rubber ring 5, the first rubber ring 5 abuts against the fixing ring 2 for improving the sealing between the fixing ring 2 and the inner side wall of the fixing groove, one side of the second flange 7 close to the first flange 4 is fixedly connected with a second rubber ring 8, one side of the first flange 4 close to the second flange 7 is provided with a sealing groove corresponding to the second rubber ring 8, one end of the second rubber ring 8 far away from the second flange 7 extends into the sealing groove for improving the sealing between the first flange 4 and the second flange 7, the upper end of the rotary plate 12 is provided with an inner hexagonal inner bottom slot 14 for facilitating the user to rotate the rotary plate 12, the lower end of the rotary plate 12 is fixedly connected with a rubber pad 13 for improving the friction between the rotary plate 12 and the side wall of the article, preventing the turntable 12 from loosening.
In this embodiment, the first flange 4 is aligned with the second flange 7, and then the first flange 4 is combined with the second flange 7, so that the fixing ring 2 extends into the fixing groove, then the bolt 1 is screwed, the handle 10 is pushed to drive the clamping rod 9 to move, the spring 11 is compressed at the same time, the clamping rod 9 falls off from the clamping hole, the rotary table 12 is rotated to drive the fixed rod 6, the fixed rod 6 extends into the wedge-shaped groove through the effect of thread meshing and is abutted against the wedge-shaped surface in the wedge-shaped groove, thereby improving the tightness of the connection of the first flange 4 to the second flange 7, when the handle 10 is released, the clamping rod 9 is pushed under the restoring force of the spring 11, so that the clamping rod 9 extends into the clamping hole, thereby preventing the rotating disc 12 from loosening, and the flange is reinforced after being connected, so that the situation that the tightness is reduced is prevented, and the safety factor is improved.
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 (6)
1. The utility model provides a natural gas line flange that high pressure resistant leakproofness is good, includes first flange (4) and second flange (7), its characterized in that: the bolt (1) is arranged on one side, far away from the second flange (7), of the first flange (4), one end of the bolt (1) sequentially penetrates through the first flange (4) and the second flange (7), the bolt (1) is in threaded connection with the first flange (4) and the second flange (7), a fixing ring (2) is fixedly connected to one side, close to the first flange (4), of the second flange (7), a fixing groove corresponding to the fixing ring (2) is formed in the side wall, close to the second flange (7), of the first flange (4), one end, far away from the second flange (7), of the fixing ring (2) extends into the fixing groove, a plurality of object placing grooves are uniformly distributed in the outer side wall of the first flange (4), a rotary table (12) is arranged in the object placing grooves, fixing rods (6) are fixedly connected to the lower end of the rotary table (12), a plurality of wedge-shaped grooves corresponding to the fixing rods (6) are uniformly distributed in the outer side wall of the fixing ring (2), the lower extreme of dead lever (6) runs through first flange (4) and extends to the wedge type inslot, it is equipped with the spout on the inslot lateral wall to put, sliding connection has kelly (9) in the spout, fixedly connected with spring (11) between kelly (9) and the spout medial wall, evenly distributed has a plurality of card holes corresponding with kelly (9) on the lateral wall of carousel (12), the one end that spring (11) were kept away from in kelly (9) extends to in the card hole, the upper end fixedly connected with handle (10) of kelly (9), be equipped with on the lateral wall of first flange (4) with the communicating opening of spout, the upper end of handle (10) runs through the opening.
2. The natural gas pipeline connecting flange with good high pressure resistance and sealing performance according to claim 1, is characterized in that: and one sides of the first flange (4) opposite to the second flange (7) are fixedly connected with connecting pipes (3).
3. The natural gas pipeline connecting flange with good high pressure resistance and sealing performance according to claim 1, is characterized in that: fixedly connected with first rubber circle (5) on the fixed slot inside wall, first rubber circle (5) offset with solid fixed ring (2).
4. The natural gas pipeline connecting flange with good high pressure resistance and sealing performance according to claim 1, is characterized in that: one side fixedly connected with second rubber circle (8) that second flange (7) are close to first flange (4), one side that first flange (4) are close to second flange (7) is equipped with the seal groove corresponding with second rubber circle (8), the one end that second flange (7) were kept away from in second rubber circle (8) extends to the seal groove.
5. The natural gas pipeline connecting flange with good high pressure resistance and sealing performance according to claim 1, is characterized in that: the upper end of the rotary disc (12) is provided with an inner hexagonal slot (14).
6. The natural gas pipeline connecting flange with good high pressure resistance and sealing performance according to claim 1, is characterized in that: the lower end of the rotary table (12) is fixedly connected with a rubber pad (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039179.2U CN211599840U (en) | 2020-01-08 | 2020-01-08 | Natural gas pipeline connecting flange with good high-pressure-resistant sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039179.2U CN211599840U (en) | 2020-01-08 | 2020-01-08 | Natural gas pipeline connecting flange with good high-pressure-resistant sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599840U true CN211599840U (en) | 2020-09-29 |
Family
ID=72576495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020039179.2U Expired - Fee Related CN211599840U (en) | 2020-01-08 | 2020-01-08 | Natural gas pipeline connecting flange with good high-pressure-resistant sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524366A (en) * | 2020-12-23 | 2021-03-19 | 安徽实纽机械设备有限公司 | Sealing flange for pipeline |
-
2020
- 2020-01-08 CN CN202020039179.2U patent/CN211599840U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524366A (en) * | 2020-12-23 | 2021-03-19 | 安徽实纽机械设备有限公司 | Sealing flange for pipeline |
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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: 20200929 |