CN212935434U - Expansion type plugging device - Google Patents
Expansion type plugging device Download PDFInfo
- Publication number
- CN212935434U CN212935434U CN202021858720.9U CN202021858720U CN212935434U CN 212935434 U CN212935434 U CN 212935434U CN 202021858720 U CN202021858720 U CN 202021858720U CN 212935434 U CN212935434 U CN 212935434U
- Authority
- CN
- China
- Prior art keywords
- fixed chamber
- cavity
- screw
- inflation
- inflation piece
- 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.)
- Active
Links
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model provides an inflation formula plugging device, including cylindric shutoff portion, the coaxial stopper head that is provided with the cake form in the outer end of shutoff portion, the inside of shutoff portion is provided with fixed chamber and cavity to outside respectively from interior, fixed intracavity portion is provided with the inflation piece, the inflation piece has four, and can constitute a cake column structure, the inflation piece is located the edge of fixed chamber central line is provided with the inclined plane, the central point of cavity puts and is provided with the screw hole, screw hole female fit has the screw nail, the screw nail runs through fixed chamber with the layer of being separated by of cavity, just the inner of screw nail is just right the inclined plane. The utility model discloses a cooperation of screw nail and screw hole extrudees the inflation piece of fixed intracavity, makes the inflation piece continuously outwards extrude fixed chamber, and then makes the outer wall in fixed chamber tightly paste on the pipeline inner wall, guarantees that the plugging device can firmly and stable carry out the shutoff to the pipeline port.
Description
Technical Field
The utility model belongs to the technical field of pipeline port shutoff technique and specifically relates to an inflation formula plugging device is related to.
Background
In order to ensure the safety of power transmission and reduce the pollution of ground power transmission, conditional urban power transmission wires and cables are laid and hung in an underground sewage discharge tunnel, but most of the conditional urban power transmission wires and cables are embedded in a pre-buried power transmission mode, a planned power transmission line is trenched, a power transmission pipeline provided with the power transmission wires and cables is buried in a trench or a power transmission pipeline is buried in a trench, then the wires or the cables are connected from two ends of the power transmission pipeline, when the line is overhauled or added, the wires and the cables are extracted and inserted from two ends of the power transmission pipeline, and the like The penetration causes inconvenience.
Some pipeline plugging devices that appear on the market generally have too simple structures, and the pipeline mouth is filled in with the shutoff simply, and it is fixed to utilize the elastic rubber body to carry out the shutoff to the frictional force of pipe wall, leads to pipeline shutoff to be fixed insecure, drops from the pipeline mouth easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides an inflation formula plugging device to solve traditional plugging device structure that proposes in the above-mentioned background art and too simple, only simple fills in the pipeline mouth with the shutoff, and it is fixed to utilize the elastic rubber body to carry out the shutoff to the frictional force of pipe wall, leads to the pipeline shutoff to fix insecure, follows the pipeline mouth scheduling problem that drops easily.
The technical scheme of the utility model is realized like this:
the utility model provides an inflation formula plugging device, includes cylindric shutoff portion, the coaxial stopper head that is provided with the cake form in the outer end of shutoff portion, the inside of shutoff portion is provided with fixed chamber and cavity to outer respectively from interior, fixed intracavity portion is provided with the inflation piece, the inflation piece has four, and can constitute a cake column structure, the inflation piece is located the edge of fixed chamber central line is provided with the inclined plane, the central point of cavity puts and is provided with the screw hole, screw hole female thread fit has the screw thread nail, the screw thread nail runs through fixed chamber with the layer of being separated by of cavity, just the inner of screw thread nail is just right the inclined plane.
Preferably, the outer diameter of the plugging head is larger than the outer diameter of the plugging portion.
Preferably, the part of the blocking head, which is larger than the blocking part, is coaxially provided with an annular limiting groove, and the inner wall of the limiting groove is aligned with the outer circular surface of the blocking part.
Preferably, the outer circular surface of the blocking part is annularly provided with an anti-skid protrusion.
Preferably, the plugging head, the plugging part and the expansion block are all made of plastic materials.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a cooperation of screw nail and screw hole extrudees the inflation piece of fixed intracavity, makes the inflation piece continuously outwards extrude fixed chamber, and then makes the outer wall in fixed chamber tightly paste on the pipeline inner wall, guarantees that the plugging device can firmly and stable carry out the shutoff to the pipeline port.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the occlusion portion of fig. 1.
Wherein:
1. plugging a plug; 2. a plugging section; 3. a fixed cavity; 4. a cavity; 5. a threaded hole; 6. a threaded nail; 7. an expansion block; 701. a bevel; 8. a limiting groove; 9. and (4) anti-skid bulges.
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 efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, an inflation type plugging device comprises a cylindrical plugging portion 2, a cake-shaped plugging head 1 is coaxially arranged at the outer end of the plugging portion 2, a fixed cavity 3 and a cavity 4 are respectively arranged in the plugging portion 2 from inside to outside, an expansion block 7 is arranged in the fixed cavity 3, the expansion blocks 7 are four in number and can form a cake-shaped structure, an inclined plane 701 is arranged at the corner of the expansion block 7 located at the central line of the fixed cavity 3, a threaded hole 5 is arranged at the central position of the cavity 4, a threaded nail 6 is matched with the threaded hole 5 in a threaded manner, the threaded nail 6 penetrates through the separation layer of the fixed cavity 3 and the cavity 4, and the inner end of the threaded nail 6 is opposite to the inclined plane 701.
Specifically, the outer diameter of the plugging head 1 is larger than that of the plugging part 2; by the arrangement, the diameter size of the blocking head 1 is larger than that of the pipeline, so that the blocking head 1 can completely cover the port of the pipeline.
Specifically, an annular limiting groove 8 is coaxially formed in the part, larger than the blocking part 2, of the blocking head 1, and the inner wall of the limiting groove 8 is aligned with the outer circular surface of the blocking part 2; so set up, when using, fill in the pipeline mouth with shutoff portion 2, make the pipeline mouth just in time inlay the spacing groove 8 inside, and then make that shutoff head 1 can be tight seal the pipeline mouth, avoid the circuit in the pipeline to expose.
Specifically, the outer circular surface of the blocking part 2 is annularly provided with an anti-skid bulge 9; the anti-skid protrusions 9 are arranged to help increase the friction coefficient between the outer circular surface of the blocking portion 2 and the inner wall of the pipeline, so that the blocking portion 2 is not prone to slipping out of the pipeline opening.
Specifically, the plugging head 1, the plugging part 2 and the expansion block 7 are all made of plastic materials; so set up, make the whole characteristics such as anticorrosive, rust-resistant that have of device, extension device's life makes the device have elasticity simultaneously, makes things convenient for the fixed of pipe crossing.
The working principle is as follows:
when the pipeline plugging device is used, the plugging part 2 is plugged into a pipeline opening until a pipeline port is inserted into the limiting groove 8, the threaded nail 6 is inserted into the threaded hole 5, the threaded nail 6 is rotated, the threaded nail 6 is inserted into the fixed cavity 3 through threaded fit, the inclined surface 701 of the expansion block 7 is extruded, the stress direction of the expansion block 7 is guided through the inclined surface 701, the expansion block 7 is diffused outwards and extrudes the fixed cavity 3, the outer wall of the fixed cavity 3 (namely the outer circular surface of the plugging part 2) is tightly attached to the inner wall of the pipeline, the plugging part 2 is kept in a state of continuously extruding the pipeline outwards, the plugging part 2 is fixed inside the pipeline through extrusion force, the plugging part 2 is prevented from sliding out of the pipeline opening, and the plugging device can firmly and stably plug the pipeline port.
The utility model discloses a cooperation of screw 6 and screw hole 5 extrudees the inflation piece 7 in fixed chamber 3, makes inflation piece 7 continuously outwards extrude fixed chamber 3, and then makes the outer wall of fixed chamber 3 tightly paste on the pipeline inner wall, guarantees that the plugging device can firmly and stably carry out the shutoff to the pipeline port.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An inflation formula plugging device which characterized in that: including cylindric shutoff portion (2), the coaxial stopper head (1) that is provided with the cake form in the outer end of shutoff portion (2), the inside of shutoff portion (2) is provided with fixed chamber (3) and cavity (4) from inside to outside respectively, fixed chamber (3) inside is provided with inflation piece (7), inflation piece (7) have four, and can constitute a cake structure, inflation piece (7) are located the edge of fixed chamber (3) central line is provided with inclined plane (701), the central point of cavity (4) puts and is provided with screw hole (5), screw hole (5) interior screw-thread fit has screw (6), screw (6) run through fixed chamber (3) with the layer of being separated by of cavity (4), just the inner of screw (6) is just right inclined plane (701).
2. The inflatable occluder of claim 1, wherein: the outer diameter of the blocking head (1) is larger than that of the blocking part (2).
3. The inflatable occluder of claim 1, wherein: the part of the blocking head (1) which is larger than the blocking part (2) is coaxially provided with an annular limiting groove (8), and the inner wall of the limiting groove (8) is aligned with the outer circular surface of the blocking part (2).
4. The inflatable occluder of claim 1, wherein: the outer circular surface of the blocking part (2) is annularly provided with an anti-skid bulge (9).
5. The inflatable occluder of claim 1, wherein: the blocking head (1), the blocking part (2) and the expansion block (7) are all made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858720.9U CN212935434U (en) | 2020-08-31 | 2020-08-31 | Expansion type plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858720.9U CN212935434U (en) | 2020-08-31 | 2020-08-31 | Expansion type plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212935434U true CN212935434U (en) | 2021-04-09 |
Family
ID=75301319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021858720.9U Active CN212935434U (en) | 2020-08-31 | 2020-08-31 | Expansion type plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212935434U (en) |
-
2020
- 2020-08-31 CN CN202021858720.9U patent/CN212935434U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212935434U (en) | Expansion type plugging device | |
| CN218767475U (en) | Optical cable sleeve forming die connector | |
| CN211908288U (en) | Power cable pipe plugging device | |
| CN212317931U (en) | Small-size integral soluble bridge plug | |
| CN205956589U (en) | Nylon tube seals head | |
| CN211475200U (en) | Combined PVC (polyvinyl chloride) pipe easy to assemble and disassemble | |
| KR20190002238U (en) | Pipe connecting structure with excellent earthquake-proof performance | |
| CN209924444U (en) | Wall body screw rod eye seals and blocks up and block structure | |
| CN210350750U (en) | Underground cable duct plugging device | |
| CN208062280U (en) | Waterproof cable lug with sealing ring | |
| KR880004273Y1 (en) | Connecting packing for a hollow plastic spiral pipe | |
| CN221407775U (en) | Waterproof structure of medical connector | |
| CN208078221U (en) | Waterproof cable lug with sealing ring | |
| CN204143017U (en) | A kind of cable splice closure cable mouth mechanical seal locking device | |
| CN220492311U (en) | Waterproof insulating tee bend device of lamp joint under water | |
| CN216692639U (en) | Modified phosphogypsum octagonal rhombus PVC blow-off pipe | |
| CN216342427U (en) | Water blocking structure of automobile water chamber | |
| CN219592105U (en) | Modified polyvinyl chloride power cable protection tube plug | |
| CN215410168U (en) | Stopping and anti-falling rubber ring | |
| CN215110481U (en) | Cross chain multi-ring rib slope type sealing ring | |
| CN214553656U (en) | Dropping liquid pipe | |
| CN214478133U (en) | Cable sealing, fixing and connecting device | |
| CN218975872U (en) | Waterproof connector | |
| CN220673312U (en) | Cable protection tube connector | |
| CN210899345U (en) | Waterproof security protection camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |