CN210344702U - Natural gas pipeline plugging device - Google Patents
Natural gas pipeline plugging device Download PDFInfo
- Publication number
- CN210344702U CN210344702U CN201921461966.XU CN201921461966U CN210344702U CN 210344702 U CN210344702 U CN 210344702U CN 201921461966 U CN201921461966 U CN 201921461966U CN 210344702 U CN210344702 U CN 210344702U
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- Prior art keywords
- natural gas
- plate
- gas pipeline
- annular
- sealing
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- Expired - Fee Related
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Abstract
The utility model discloses a natural gas pipeline plugging device, which comprises an annular plate, a locking piece and a sealing piece, wherein the right end of the annular plate is provided with clamping plates which are uniformly distributed, the sealing piece comprises an annular piece positioned at the inner side of the clamping plates, the right end of the annular piece is provided with connecting plates which are uniformly distributed, and one end of the connecting plate, which is far away from the annular piece, is provided with a sealing plate; the retaining member comprises a locking ring movably sleeved on the outer side of the annular plate, a connecting rod is arranged at the right end of the locking ring, an annular frame is arranged at one end, away from the annular plate, of the connecting rod, and a sliding groove is formed in the side face of the annular frame. The natural gas pipeline plugging device is convenient to install, can directly seal two ends of the interior of a natural gas pipeline, has a good sealing effect, and is convenient for pressure and leakage tests of the natural gas pipeline; and this plugging device can not prolong natural gas line, avoids the outside pipeline to cause the influence to the test effect, convenient to use.
Description
Technical Field
The utility model relates to a natural gas pipeline shutoff equipment technical field specifically is a natural gas pipeline plugging device.
Background
A natural gas pipeline refers to a pipeline that transports natural gas from a production site or processing plant to a municipal gas distribution center or industrial enterprise customer.
In the installation and laying process of the natural gas pipeline, the pressure and leakage test is carried out on the installed pipeline section by section; the method commonly used at present blocks up the pipeline both ends temporarily and seals, then uses test equipment to carry out pressure and leak test, and current temporary seal equipment is mainly through pipeline and the natural gas line joint with the valve, seals the natural gas line through the valve, and this kind of mode installation is inconvenient, appears the gap easily between pipeline and the natural gas line, and the test effect is not good, and outside pipeline and natural gas line joint back, and outside pipeline produces the influence to the test effect of natural gas line easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the existing defects, and provides a natural gas pipeline plugging device which is convenient to install, can directly seal the two inner ends of a natural gas pipeline, has good sealing effect, and is convenient for the pressure and leakage test of the natural gas pipeline; and this plugging device can not prolong the natural gas line, avoids the outside pipeline to cause the influence to the test effect, and convenient to use can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a natural gas pipeline plugging device, includes annular slab, retaining member and sealing member, the right-hand member of annular slab is equipped with evenly distributed's cardboard, the sealing member is including being located the inboard loop forming element of cardboard, the right-hand member of loop forming element is equipped with evenly distributed's connecting plate, the one end that the loop forming element was kept away from to the connecting plate is equipped with the closing plate.
The retaining member cup joints the locking ring in the annular plate outside including the activity, the right-hand member of locking ring is equipped with the connecting rod, the one end that the annular plate was kept away from to the connecting rod is equipped with the annular frame, the side of annular frame is equipped with the spout, the inside of spout is equipped with the picture peg, the side middle part of picture peg is equipped with three evenly distributed's through-hole, and the inside activity interlude of through-hole at middle part has the cylindricality nut, the outside threaded connection of cylindricality nut has set nut, the side that the closing plate corresponds with the cylindricality nut is equipped with the screw rod, and cylindricality nut.
As a preferred technical scheme of the utility model, the closing plate is equipped with the guide bar with the side that two through-holes in the outside correspond, and the equal activity interlude in inside of two through-holes has the outer sleeve, the right-hand member of outer sleeve is equipped with the limiting plate.
As a preferred technical scheme of the utility model, the week side left end of annular plate is equipped with three evenly distributed's screw, the inside threaded connection of screw has fastening bolt.
As an optimized technical scheme of the utility model, the right-hand member of cylindricality nut is equipped with the handle.
As an optimized technical scheme of the utility model, the left end of closing plate is the frustum structure, and the week side of closing plate is equipped with two annular leather pads.
As an optimized technical proposal of the utility model, the front end of the plug board is provided with a handle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses natural gas pipeline plugging device of example can overlap the annular plate that has the cardboard on natural gas line to make locking ring extrusion cardboard, thereby make the cardboard extrude natural gas line, the annular plate of being convenient for is fixed with natural gas line's joint.
2. The utility model discloses natural gas pipeline plugging device can rotate the cylindricality nut through the handle to make the screw rod can promote the closing plate and remove, the closing plate can seal natural gas pipeline.
3. The utility model discloses the natural gas pipeline plugging device of example, the closing plate is when sealing up natural gas line, and the closing plate can also drive the loop forming element through the connecting plate and remove, and the loop forming element enters into between cardboard and the natural gas line, can improve the fixed effect between cardboard and the natural gas line.
4. The natural gas pipeline plugging device of the example of the utility model is convenient to install, can directly seal the two inner ends of the natural gas pipeline, has good sealing effect, and is convenient for the pressure and leakage test of the natural gas pipeline; and this plugging device can not prolong natural gas line, avoids the outside pipeline to cause the influence to the test effect, convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the structure of FIG. 1;
fig. 3 is a schematic view of a cut-away portion of the structure of fig. 1.
In the figure: the device comprises a 1 annular plate, a 2 clamping plate, a 3 locking piece, a 31 locking ring, a 32 connecting rod, a 33 annular frame, a 4 inserting plate, a 41 through hole, a 5 sealing piece, a 51 annular piece, a 52 connecting plate, a 53 sealing plate, a 54 annular leather gasket, a 6 outer sleeve, a 61 limiting plate, a 7-column nut, a 71 positioning nut, a 72 handle, an 8 screw rod, a 9 guide rod, a 10 screw hole and a 11 fastening bolt.
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. 1-3, the present invention provides a technical solution: the utility model provides a natural gas pipeline plugging device, includes annular plate 1, retaining member 3 and sealing member 5, and the all sides face left end of annular plate 1 is equipped with three evenly distributed's screw 10, and the internal thread of screw 10 is connected with fastening bolt 11, and 1 covers of annular plate 1 that has retaining member 3 in the natural gas pipeline outside, rotates fastening bolt 11 to make fastening bolt 11 and natural gas pipeline's outside contact, thereby fix the outside to natural gas pipeline with annular plate 1.
The right-hand member of annular plate 1 is equipped with evenly distributed's cardboard 2, sealing member 5 is including being located cardboard 2 inboard loop forming element 51, the right-hand member of loop forming element 51 is equipped with evenly distributed's connecting plate 52, the one end that loop forming element 51 was kept away from to connecting plate 52 is equipped with closing plate 53, the left end of closing plate 53 is the frustum structure, and closing plate 53's all sides are equipped with two annular leather pads 54, insert the closing plate 53 that the left end is the frustum structure in the natural gas line, thereby seal up natural gas line, annular leather pads 54 can improve sealed effect.
When the sealing plate 53 is sealing up the natural gas pipeline, the sealing plate 53 can also drive the ring-shaped member 51 to move through the connecting plate 52, and the ring-shaped member 51 enters into between the clamping plate 2 and the natural gas pipeline, so that the fixing effect between the clamping plate 2 and the natural gas pipeline can be improved.
The locking piece 3 comprises a locking ring 31 movably sleeved on the outer side of the annular plate 1, the annular plate 1 with the clamping plate 2 can be sleeved on the natural gas pipeline, the locking ring 31 can extrude the clamping plate 2, the clamping plate 2 can extrude the natural gas pipeline, the annular plate 1 and the natural gas pipeline can be clamped and fixed conveniently, a connecting rod 32 is arranged at the right end of the locking ring 31, and an annular frame 33 is arranged at one end, away from the annular plate 1, of the connecting rod 32.
A sliding groove is formed in the side face of the annular frame 33, an inserting plate 4 is arranged inside the sliding groove, a handle is arranged at the front end of the inserting plate 4, three through holes 41 which are uniformly distributed are formed in the middle of the side face of the inserting plate 4, a cylindrical nut 7 is movably inserted into the through hole 41 in the middle, a handle 72 is arranged at the right end of the cylindrical nut 7, a positioning nut 71 is in threaded connection with the outer side of the cylindrical nut 7, a screw 8 is arranged on the side face, corresponding to the cylindrical nut 7, of the sealing plate 53, the cylindrical nut 7 is in threaded connection with the screw 8, the cylindrical nut 7 can be rotated through the handle 72, the sealing plate 53 can be pushed to move by the; inserting the inserting plate 4 into the sliding groove, then inserting the outer sleeve 6 into the through hole 41 at the outer side, sleeving the outer sleeve 6 on the outer side of the guide rod 9, inserting the cylindrical nut 7 into the through hole 41 at the middle part, and connecting the cylindrical nut 7 with the screw rod 8 in a threaded manner; the cylindrical nut 7 is turned by the handle 72 and the left end of the cylindrical nut 7 is brought into contact with the right side surface of the sealing plate 53, and then the positioning nut 71 located on the left side of the insert plate 4 is turned and the positioning nut 71 is brought into contact with the insert plate 4.
The side surfaces of the sealing plate 53 corresponding to the two through holes 41 in the outer side are provided with guide rods 9, the outer sleeves 6 are movably inserted into the two through holes 41, the right ends of the outer sleeves 6 are provided with limiting plates 61, and the guide rods 9 play a role in guiding, so that the sealing plate 53 is prevented from rotating in the moving process.
Through handle 72 antiport cylindrical nut 7, cylindrical nut 7 rotates in-process screw rod 8 and drives sealing plate 53 to the inside removal of natural gas line to seal natural gas line, cylindrical nut 7 drives annular frame 33 antiport through picture peg 4 simultaneously, annular frame 33 drives locking ring 31 through connecting rod 32 and removes, locking ring 31 removes the in-process and extrudees cardboard 2, cardboard 2 takes place deformation extrusion annular 51 and natural gas line, thereby accomplish the fixed of whole plugging device.
The whole natural gas pipeline plugging device is convenient to install, can directly seal two inner ends of a natural gas pipeline, has a good sealing effect, and is convenient for pressure and leakage tests of the natural gas pipeline; and this plugging device can not prolong natural gas line, avoids the outside pipeline to cause the influence to the test effect, convenient to use.
When in use: sleeving the annular plate 1 sleeved with the locking piece 3 on the outer side of the natural gas pipeline, rotating the fastening bolt 11, and enabling the fastening bolt 11 to be in contact with the outer side of the natural gas pipeline, so that the annular plate 1 is fixed on the outer side of the natural gas pipeline;
the locking member 3 is passed through the inside of the annular frame 33, and the sealing plate 53 is inserted into the natural gas pipeline; and the locking ring 31 is positioned between the clamping plate 2 and the natural gas pipeline;
inserting the inserting plate 4 into the sliding groove, then inserting the outer sleeve 6 into the through hole 41 at the outer side, sleeving the outer sleeve 6 on the outer side of the guide rod 9, inserting the cylindrical nut 7 into the through hole 41 at the middle part, and connecting the cylindrical nut 7 with the screw rod 8 in a threaded manner;
the cylindrical nut 7 is rotated by the handle 72, and the left end of the cylindrical nut 7 is in contact with the right side surface of the sealing plate 53, and then the positioning nut 71 positioned at the left side of the inserting plate 4 is rotated, and the positioning nut 71 is in contact with the inserting plate 4;
the cylindrical nut 7 is reversely rotated through the handle 72, and the screw 8 drives the sealing plate 53 to move towards the interior of the natural gas pipeline in the rotation process of the cylindrical nut 7, so that the natural gas pipeline is sealed;
meanwhile, the cylindrical nut 7 drives the annular frame 33 to move reversely through the inserting plate 4, the annular frame 33 drives the locking ring 31 to move through the connecting rod 32, the clamping plate 2 is extruded in the moving process of the locking ring 31, and the clamping plate 2 deforms and extrudes the annular part 51 and the natural gas pipeline, so that the whole stopper is fixed.
The utility model has convenient installation, can directly seal the two ends of the interior of the natural gas pipeline, has good sealing effect, and is convenient for the pressure and leakage test of the natural gas pipeline; and this plugging device can not prolong natural gas line, avoids the outside pipeline to cause the influence to the test effect, convenient to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a natural gas pipeline plugging device which characterized in that: the sealing device comprises a ring plate (1), a locking piece (3) and a sealing piece (5), wherein the clamping plates (2) are uniformly distributed at the right end of the ring plate (1), the sealing piece (5) comprises ring pieces (51) positioned at the inner sides of the clamping plates (2), connecting plates (52) are uniformly distributed at the right end of the ring pieces (51), and a sealing plate (53) is arranged at one end, far away from the ring pieces (51), of each connecting plate (52);
retaining member (3) cup joint locking ring (31) in annular plate (1) outside including the activity, the right-hand member of locking ring (31) is equipped with connecting rod (32), the one end that annular plate (1) were kept away from in connecting rod (32) is equipped with annular frame (33), the side of annular frame (33) is equipped with the spout, the inside of spout is equipped with picture peg (4), the side middle part of picture peg (4) is equipped with three evenly distributed's through-hole (41), and the through-hole (41) inside activity interlude at middle part has cylindrical nut (7), the outside threaded connection of cylindrical nut (7) has set nut (71), side that closing plate (53) and cylindrical nut (7) correspond is equipped with screw rod (8), and cylindrical nut (7) and screw rod (8) threaded connection.
2. The natural gas pipeline closure according to claim 1, wherein: the side surfaces of the sealing plate (53) corresponding to the two through holes (41) in the outer side are provided with guide rods (9), outer sleeves (6) are movably inserted into the two through holes (41), and limiting plates (61) are arranged at the right ends of the outer sleeves (6).
3. The natural gas pipeline closure according to claim 1, wherein: the side left end of week of annular plate (1) is equipped with three evenly distributed's screw (10), the internal thread of screw (10) is connected with fastening bolt (11).
4. The natural gas pipeline closure according to claim 1, wherein: the right end of the cylindrical nut (7) is provided with a handle (72).
5. The natural gas pipeline closure according to claim 1, wherein: the left end of the sealing plate (53) is of a frustum structure, and two annular leather pads (54) are arranged on the peripheral side face of the sealing plate (53).
6. The natural gas pipeline closure according to claim 1, wherein: the front end of the inserting plate (4) is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461966.XU CN210344702U (en) | 2019-09-04 | 2019-09-04 | Natural gas pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461966.XU CN210344702U (en) | 2019-09-04 | 2019-09-04 | Natural gas pipeline plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344702U true CN210344702U (en) | 2020-04-17 |
Family
ID=70177157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921461966.XU Expired - Fee Related CN210344702U (en) | 2019-09-04 | 2019-09-04 | Natural gas pipeline plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305525A (en) * | 2021-05-08 | 2021-08-27 | 武汉科技大学 | Automatic installation mechanism for large-scale gas pipeline partition plate |
-
2019
- 2019-09-04 CN CN201921461966.XU patent/CN210344702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305525A (en) * | 2021-05-08 | 2021-08-27 | 武汉科技大学 | Automatic installation mechanism for large-scale gas pipeline partition plate |
| CN113305525B (en) * | 2021-05-08 | 2022-07-15 | 武汉科技大学 | Automatic installation mechanism for large-scale gas pipeline partition plate |
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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: 20200417 Termination date: 20200904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |