CN207073672U - A kind of pipeline blank pipe plugging device - Google Patents
A kind of pipeline blank pipe plugging device Download PDFInfo
- Publication number
- CN207073672U CN207073672U CN201720721249.0U CN201720721249U CN207073672U CN 207073672 U CN207073672 U CN 207073672U CN 201720721249 U CN201720721249 U CN 201720721249U CN 207073672 U CN207073672 U CN 207073672U
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- CN
- China
- Prior art keywords
- top board
- lower platen
- pipeline
- flexible seals
- blank pipe
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- Expired - Fee Related
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Abstract
A kind of pipeline blank pipe plugging device disclosed in the utility model, connector including top board, lower platen, connection top board and lower platen, the flexible seals being arranged between top board and lower platen, top board external diameter is more than internal diameter of the pipeline, flexible seals and lower platen external diameter are less than internal diameter of the pipeline, flexible seals upper surface is inclined plane, top board lower surface is provided with the inclined plane coordinated with flexible seals upper surface, the lower platen upper surface is provided with boss, and flexible seals inwall lower end coordinates with boss；Stable-pressure device is installed, position corresponding with stable-pressure device is provided with passage on top board on the lower platen.It is that flexible seal device expands by extruding of the top board to flexible seal device, has the function that blocking pipe mouth.
Description
Technical field
Electrical equipment technical field is the utility model is related to, specifically a kind of pipeline blank pipe plugging device.
Background technology
Pipeline be with pipe, pipe connector and valve etc. be connected into be used for convey gas, liquid or with solid particle
Fluid device.Having many uses for pipeline is general, is used primarily in electric power, feedwater, draining, heat supply, gives gas, long distance delivery stone
In oil and gas, agricultural irrigation, hydraulic engineering and various commercial plants.
In the application of power industry, it is mainly used in the closure of cable tube blank pipe, cable tube also known as cable protection pipe, electric power
Cable tube, cement cable tube, electricity channel, power cable protecting pipe etc..Cable protection pipe is mostly installed at communication cable and electricity
The location that the line of force is intersected, prevent power line from broken string occurs and causes short circuit accident, cause communication cable and steel wire rope powered, with protection
Cable, interchanger, machine core board, so that complete machine is not burned, certain buffer action is also functioned to power line magnetic interference.
The phenomenon of no cable laying occurs in cable tube in use, at this moment needs installation block head to be sealed
It is stifled, for preventing dust, silt, toy etc. from entering inside pipeline, existing pipe plugging more using air bag closure or
Cement, plugging effect are poor.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided a kind of pipeline blank pipe plugging device.
The technical scheme in the invention for solving the technical problem is：
A kind of pipeline blank pipe plugging device, including top board, lower platen, connection top board and lower platen connector, set
The flexible seals between top board and lower platen are put, top board external diameter is more than internal diameter of the pipeline, flexible seals and lower platen
External diameter is less than internal diameter of the pipeline, and flexible seals upper surface is inclined plane, and top board lower surface is provided with and flexible seals upper surface
The inclined plane of cooperation, the lower platen upper surface are provided with boss, and flexible seals inwall lower end coordinates with boss.
Further, the flexible seals are annular silica gel sheath, and flexible seals external diameter is identical with lower platen external diameter.
Further, stable-pressure device is installed, position corresponding with stable-pressure device is provided with top board on the lower platen
Passage, the lower platen are provided with mounting hole, and stable-pressure device is arranged in mounting hole.
Further, the stable-pressure device includes housing, piston and the spring between housing and piston, the shell
Body lower end is provided with annular projection, and annular projection external cylindrical surface diameter is more than mounting hole external cylindrical surface diameter.
Further, the piston is divided into upper end and is provided with baffle plate I and lower end piston rod, and the lower surface of baffle plate I is provided with rubber layer,
The housing upper end is provided with through hole, and piston rod passes through through hole, gap be present between piston rod external cylindrical surface and through-hole wall；
Piston-rod lower end is provided with baffle plate II, and spring upper end is connected with housing, and lower spring end is connected with baffle plate II.
Further, the connector includes connecting bolt and attaching nut, and the top board centre position is provided with countersunk head
Hole, connecting bolt use hexagon socket head cap screw, and connecting bolt passes through counter sink.
Further, centre position is provided with hexagon through hole, attaching nut and hexagon through-hole wall on the lower platen
Coordinate, attaching nut is cast in hexagon through hole, and connecting bolt lower end is spirally connected with attaching nut.
Further, the top board upper surface and lower platen lower surface are provided with reinforcement.
The beneficial effects of the utility model are：
1st, a kind of pipeline blank pipe plugging device provided by the utility model include top board, lower platen, connection top board and
The connector of lower platen, the flexible seals being arranged between top board and lower platen, the flexible seals are annular silicon
Gum cover, flexible seals upper surface are inclined plane, and top board lower surface is provided with the inclined plane coordinated with flexible seals upper surface；
During sealing, the device is placed to pipe end first, passes through the effect of connector so that top board is to moving down
It is dynamic, in the presence of top board lower surface inclined plane and flexible seals upper end inclined plane flexible seals are outwards expanded,
Flexible seals external cylindrical surface is in close contact with inner-walls of duct, and top board compresses flexible seals, so as to play pipe plugging
Effect, prevent that dust, worm mouse etc. from entering in pipeline.
2nd, lower platen described in a kind of pipeline blank pipe plugging device provided by the utility model is provided with mounting hole, and stable-pressure device is set
Put in mounting hole, stable-pressure device housing passes through mounting hole, passes through the frictional force between housing external cylindrical surface and inner wall of the hole installing
Fixed, the gas in pipeline passes sequentially through stable-pressure device, flexible seals and top board, the cavity that lower platen cooperatively forms, led to
Stomata is discharged out of pipeline, ensures pipeline inside and outside air pressure balance；Meanwhile when inner and outer air pressure equilibrium, stable-pressure device is in spring
Under compression, play a part of sealing, can prevent dust, toy etc. from entering in pipeline, ensure duct cleaning.
3rd, stable-pressure device includes housing, piston and installation described in a kind of pipeline blank pipe plugging device provided by the utility model
Spring between housing and piston, the housing lower end are provided with annular projection, and annular projection external cylindrical surface diameter is more than
Mounting hole external cylindrical surface diameter, annular projection upper surface contact with mounting hole lower surface, in housing external cylindrical surface and mounting hole
Wall is contacted, and when stable-pressure device is installed, stable-pressure device is integrally pressed in mounting hole, and annular projection plays positioning action, is prevented
Senior general's stable-pressure device of only exerting oneself is pressed in the cavity that flexible seals and top board, lower platen cooperatively form, and is caused in pipeline
Portion communicates with the external world, and dust enters in pipeline.
4th, piston described in a kind of pipeline blank pipe plugging device provided by the utility model is divided into upper end and is provided with baffle plate I and lower end
Piston rod, the lower surface of baffle plate I are provided with rubber layer, and rubber layer is pasted onto the lower surface of baffle plate I by tenacity viscose, when inner and outer air pressure is equal
During weighing apparatus, rubber layer can help to seal, and stable-pressure device sealing effectiveness is more preferable, and the housing upper end is provided with through hole, and piston rod passes through
Through hole, gap be present between piston rod external cylindrical surface and through-hole wall；Piston-rod lower end is provided with baffle plate II, spring upper end and housing
Connection, lower spring end are connected with baffle plate II.When pipeline air pressure inside is more than ambient pressure, in the presence of inside and outside differential pressure, bullet
Compress, piston upwards, the gap that the air inside pipeline passes through between piston rod external cylindrical surface and through-hole wall is discharged；When
During inside and outside differential pressure equilibrium, under the action of the spring, piston moves downward, and the rubber layer of the lower end of baffle plate I contacts with housing upper surface,
Now stable-pressure device seals.
Brief description of the drawings
Fig. 1 is the utility model structure diagram one；
Fig. 2 is the utility model structure diagram two；
Fig. 3 is the utility model front view；
Fig. 4 is sectional view at Fig. 3 A-A；
Fig. 5 is partial enlarged drawing at Fig. 4 A；
Fig. 6 is that the utility model pushes plate structure schematic diagram.
Embodiment
According to Fig. 1 to Fig. 6, a kind of pipeline blank pipe plugging device, including top board 1, lower platen 2, connection top board 1
And connector, the flexible seals 3 that are arranged between top board 1 and lower platen 2 of lower platen 2, the external diameter of top board 1 are more than
Internal diameter of the pipeline, flexible seals 3 and the external diameter of lower platen 2 are less than internal diameter of the pipeline, and the flexible seals 3 are annular silica gel sheath,
Flexible seals external diameter is identical with lower platen external diameter, and the upper surface of flexible seals 3 is inclined plane, the lower surface of top board 1 be provided with
The inclined plane that the upper surface of flexible seals 3 coordinates, the upper surface of lower platen 2 is provided with boss 10, the inwall lower end of flexible seals 3
Coordinate with boss 10；During sealing, the device is placed to pipe end first, passes through the effect of connector so that
Top board moves down, and causes in the presence of the lower surface inclined plane of top board 1 and the upper end inclined plane of flexible seals 3 flexible close
Sealing 3 is outwards expanded, and the external cylindrical surface of flexible seals 3 is in close contact with inner-walls of duct, and top board 1 compresses flexible seals 3,
So as to play a part of pipe plugging, prevent that dust, worm mouse etc. from entering in pipeline.
Stable-pressure device is installed, the position corresponding with stable-pressure device of top board 1 is provided with passage 4, institute on the lower platen 2
State lower platen 2 and be provided with mounting hole 5, stable-pressure device is arranged in mounting hole 5.Stable-pressure device housing 7 passes through mounting hole 5, passes through shell
Frictional force between the external cylindrical surface of body 7 and the inwall of mounting hole 5 is fixed, and it is close that the gas in pipeline passes sequentially through stable-pressure device, flexibility
Cavity that sealing 3 cooperatively forms with top board 1, lower platen 2, passage 4 are discharged out of pipeline, ensure that pipeline inner and outer air pressure is put down
Weighing apparatus；Meanwhile when inner and outer air pressure equilibrium, stable-pressure device plays a part of sealing under the compression of spring 9, can prevent dust,
Toy etc. is entered in pipeline, ensures duct cleaning.
The stable-pressure device includes housing 7, piston 8 and the spring 9 between housing 7 and piston 8, the housing 7
Lower end is provided with annular projection 11, and annular 11 external cylindrical surface diameters of projection are more than the external cylindrical surface diameter of mounting hole 5.Annular is convex
Play 11 upper surfaces to contact with the lower surface of mounting hole 5, the external cylindrical surface of housing 7 contacts with the inwall of mounting hole 5, installs in stable-pressure device
When, stable-pressure device is integrally pressed in mounting hole 5, annular projection 11 plays positioning action, prevent firmly senior general's voltage stabilizing dress
Put and press in the cavity that flexible seals 3 cooperatively form with top board 1, lower platen 2, cause to communicate with the external world inside pipeline.
The piston 8 divides is provided with baffle plate I 12 and lower end piston rod 15 for upper end, and the lower surface of baffle plate I 12 is provided with rubber layer 13,
Rubber layer 13 is pasted onto the lower surface of baffle plate I 12 by tenacity viscose, and when inner and outer air pressure equilibrium, rubber layer 13 can help close
Envelope, stable-pressure device sealing effectiveness is more preferable, and the upper end of housing 7 is provided with through hole 14, and piston rod 15 passes through through hole 14, outside piston rod 15
Gap be present between the face of cylinder and the inwall of through hole 14；The lower end of piston rod 15 is provided with baffle plate II 16, and the upper end of spring 9 is connected with housing 7,
The lower end of spring 9 is connected with baffle plate II 16.When pipeline air pressure inside is more than ambient pressure, in the presence of inside and outside differential pressure, suppress
Contracting, piston upwards, the gap that the air inside pipeline passes through between the external cylindrical surface of piston rod 15 and the inwall of through hole 14 are discharged；
When inside and outside differential pressure equilibrium, in the presence of spring 9, piston 8 moves downward, in the rubber layer 13 and housing 7 of the lower end of baffle plate I 12
End contact, now stable-pressure device sealing.
The connector includes connecting bolt 18 and attaching nut 19, and the centre position of top board 1 is provided with counter sink, even
Connecting bolt 18 uses hexagon socket head cap screw, and connecting bolt 18 passes through counter sink；Centre position leads to provided with hexagon on the lower platen 2
Hole 20, attaching nut 19 coordinate with the inwall of hexagon through hole 20, and attaching nut 19 is cast in hexagon through hole 20, connecting bolt
18 lower ends are spirally connected with attaching nut 19.
The upper surface of top board 1 and the lower surface of lower platen 2 are provided with reinforcement 17.
Although above-mentioned the embodiment of utility model is described with reference to accompanying drawing, not to the utility model
The limitation of protection domain, on the basis of utility model technical scheme, those skilled in the art need not pay creative work
The various modifications or deformation that can be made are still within the scope of protection of the utility model.
Claims (8)
1. a kind of pipeline blank pipe plugging device, including top board (1), lower platen (2), connection top board (1) and lower platen (2)
Connector, the flexible seals (3) being arranged between top board (1) and lower platen (2), top board (1) external diameter are more than in pipeline
Footpath, flexible seals (3) and lower platen (2) external diameter are less than internal diameter of the pipeline, it is characterized in that, flexible seals (3) upper surface is to incline
Inclined-plane, top board (1) lower surface is provided with the inclined plane coordinated with flexible seals (3) upper end inclined plane, on the lower platen (2)
End face is provided with boss (10), and flexible seals (3) inwall lower end coordinates with boss (10).
2. a kind of pipeline blank pipe plugging device according to claim 1, it is characterized in that, the flexible seals (3) use
Annular silica gel sheath, flexible seals (3) external diameter are identical with lower platen (2) external diameter.
3. a kind of pipeline blank pipe plugging device according to claim 1, it is characterized in that, it is provided with the lower platen (2)
Stable-pressure device, top board (1) position corresponding with stable-pressure device are provided with passage (4), and the lower platen (2) is provided with mounting hole
(5), stable-pressure device is arranged in mounting hole (5).
4. a kind of pipeline blank pipe plugging device according to claim 3, it is characterized in that, the stable-pressure device includes housing
(7), piston (8) and the spring (9) between housing (7) and piston (8), it is convex that housing (7) lower end is provided with annular
Rise (11), annular projection (11) external cylindrical surface diameter is more than mounting hole (5) external cylindrical surface diameter.
5. a kind of pipeline blank pipe plugging device according to claim 4, it is characterized in that, the piston (8) is divided into upper end and set
There are baffle plate I (12) and lower end piston rod (15), baffle plate I (12) lower surface is provided with rubber layer (13), and housing (7) upper end is provided with
Through hole (14), piston rod (15) pass through through hole (14), gap be present between piston rod (15) external cylindrical surface and through hole (14) inwall；
Piston rod (15) lower end is provided with baffle plate II (16), and spring (9) upper end is connected with housing (7), spring (9) lower end and baffle plate II
(16) connect.
6. a kind of pipeline blank pipe plugging device according to claim 1, it is characterized in that, the connector includes connecting bolt
(18) and attaching nut (19), top board (1) centre position are provided with counter sink, and connecting bolt (18) uses interior hexagonal spiral shell
Bolt, connecting bolt (18) pass through counter sink.
7. a kind of pipeline blank pipe plugging device according to claim 1, it is characterized in that, interposition on the lower platen (2)
Hexagon through hole (20) is installed, attaching nut (19) coordinates with hexagon through hole (20) inwall, and attaching nut (19) casts in
In hexagon through hole (20), connecting bolt (18) lower end is spirally connected with attaching nut (19).
8. a kind of pipeline blank pipe plugging device according to claim 1, it is characterized in that, top board (1) upper surface and
Lower platen (2) lower surface is provided with reinforcement (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720721249.0U CN207073672U (en) | 2017-06-20 | 2017-06-20 | A kind of pipeline blank pipe plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720721249.0U CN207073672U (en) | 2017-06-20 | 2017-06-20 | A kind of pipeline blank pipe plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207073672U true CN207073672U (en) | 2018-03-06 |
Family
ID=61513951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720721249.0U Expired - Fee Related CN207073672U (en) | 2017-06-20 | 2017-06-20 | A kind of pipeline blank pipe plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207073672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117213992A (en) * | 2023-11-08 | 2023-12-12 | 宝鸡力兴压力容器装备有限公司 | Pressure testing device of pressure vessel |
-
2017
- 2017-06-20 CN CN201720721249.0U patent/CN207073672U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117213992A (en) * | 2023-11-08 | 2023-12-12 | 宝鸡力兴压力容器装备有限公司 | Pressure testing device of pressure vessel |
| CN117213992B (en) * | 2023-11-08 | 2024-03-05 | 宝鸡力兴压力容器装备有限公司 | Pressure testing device of pressure vessel |
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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: 20180306 Termination date: 20200620 |