CN204284781U - Drum-type pipeline plug - Google Patents
Drum-type pipeline plug Download PDFInfo
- Publication number
- CN204284781U CN204284781U CN201420773699.0U CN201420773699U CN204284781U CN 204284781 U CN204284781 U CN 204284781U CN 201420773699 U CN201420773699 U CN 201420773699U CN 204284781 U CN204284781 U CN 204284781U
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- CN
- China
- Prior art keywords
- drum
- base plate
- cover plate
- guide rail
- stuffing box
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- Expired - Fee Related
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Abstract
The utility model provides a kind of drum-type pipeline plug, and it comprises: a stuffing box gland, and stuffing box gland is one have bottom tube-like body; One base plate, base plate is placed in the bottom surface of stuffing box gland inside, and the upper surface in base plate forms at least one pair of first radially symmetrical guide rail; One cover plate, cover plate is placed in stuffing box gland inside and is positioned at above base plate, and the lower surface in cover plate forms at least one pair of second guide rail corresponding with the first guide rail; One expansion device, expansion device is arranged between cover plate and base plate, and is connected with cover plate, base plate, and expansion device can radially pushing tow stuffing box gland.The utility model relies on its expansion device had, and is increased the diameter of stuffing box gland, to make the outer wall energy of stuffing box gland fit tightly in by the inwall of the pipeline of shutoff, realize preferably pipe plugging effect by the pushing tow of expansion device to stuffing box gland.
Description
Technical field
The utility model relates to a kind of pipeline plug, espespecially a kind of drum-type pipeline plug realizing blocking pipe effect by changing plugging device diameter.
Background technique
Pipeline transport refers to that carrying out a kind of means of transportation of long distance delivery liquid or gas goods and materials, is a kind of special in the means of transportation of grown place to market transfer oil, rock gas, coal or chemical products with pipeline as means of transportation.Pipeline transport affected by environment little, transport loss is little, cost of transportation is low, Security is higher feature, makes pipeline transport become the major way of oil gas transport, the construction of hydrocarbon mass pipeline is the Cheng Liao various countries big event of developing the economy also.Along with the extensive use of pipeline, pipeline is faced with and variously such as seals, keep in repair and other relevant issues, at present, the plugging device that pipe pressurized plugging operations uses is suspension type plugging device, collapsible plugging device, cartridge type plugging device etc., their ubiquitous problems are that the diameter of plugging device and pipeline not necessarily can close fit, normal conditions are that plugging device diameter is less than internal diameter of the pipeline, therefore well can not realize shutoff.In addition, temporarily do not need for some or pipe end that technological requirement needs are reserved, current way is at pipe end welded flange, then installs blind plate additional, but this method exists the problems such as time-consuming and handling flange is inconvenient, and flange generally needs to take larger space.
Model utility content
The purpose of this utility model is to provide a kind of drum-type pipeline plug, to overcome the deficiency that above-mentioned existing pipeline plug structure exists.
For this reason, the utility model proposes a kind of drum-type pipeline plug, it comprises: a stuffing box gland, and described stuffing box gland is one have bottom tube-like body; One base plate, described base plate is placed in the bottom surface of described stuffing box gland inside, and the upper surface in described base plate forms at least one pair of first radially symmetrical guide rail; One cover plate, described cover plate is placed in described stuffing box gland inside and is positioned at above described base plate, and the lower surface in described cover plate forms at least one pair of second guide rail corresponding with described first guide rail; One expansion device, described expansion device is arranged between described cover plate and described base plate, and is connected with described cover plate, described base plate, and described expansion device can radially stuffing box gland described in pushing tow.
Drum-type pipeline plug described above, wherein, described expansion device comprises:
One leading screw, described leading screw two ends can be connected with described cover plate, described base plate rotationally, the upper end of described leading screw protrudes out described cover plate and forms a drive end, described leading screw is formed with two thread sections, the first thread section near described cover plate is contrary with the second thread section rotation direction near described base plate;
Bulging watt of at least two arcs, the upper/lower terminal that each described arc is bulging watt is equipped with the guiding groove that can match with described first guide rail, described second guide rail respectively;
Two thread sliders, are connected with two thread sections on described leading screw respectively;
Connecting rod, each described arc drum watt is equipped with two described connecting rods, and two described connecting rods are connected with two described thread sliders respectively, form and be articulated and connected between the two ends of described connecting rod and described thread slider and described arc drum watt.
Drum-type Pipeline sealer described above, wherein, form the boss of undergauge respectively in the upper and lower two ends of described leading screw, the described boss at upper and lower two ends forms the upper limit shaft shoulder and the lower limit shaft shoulder respectively, and described cover plate and described base plate can be resisted against the described upper limit shaft shoulder and the described lower limit shaft shoulder respectively.
Drum-type Pipeline sealer described above, wherein, is provided with two described arc drums watt between described cover plate and described base plate, described arc drum watt is two can form a cylindrical semicircular arc drum watt.
Drum-type pipeline plug described above, wherein, be provided with gusset corresponding with described first guide rail and described second guide rail respectively in described arc drum watt inwall, described gusset is provided with the gusset guiding groove be connected with described guiding groove.
Drum-type Pipeline sealer described above, wherein, the axial cross section of described guiding groove, described gusset guiding groove, described first guide rail and described second guide rail is swallow-tail form.
Drum-type pipeline plug described above, wherein, inwardly protruded out a ring flange in described stuffing box gland opening, described flange protrudes out to above described cover plate.
Drum-type pipeline plug described above, wherein, forms the first through hole and the second through hole respectively in described base plate and described cover plate central place, and described leading screw can pass described first through hole and described second through hole rotationally.
Drum-type pipeline plug described above, wherein, form a step hole in the lower surface center of described base plate, the lower end of described leading screw can be placed in described step hole.
Drum-type pipeline plug described above, wherein, described cover plate and the described upper limit shaft shoulder and be respectively equipped with a sleeve between described base plate and the described lower limit shaft shoulder.
Feature of the present utility model and advantage:
The drum-type pipeline plug that the utility model proposes, its external diameter can carry out telescopic adjustment according to by the internal diameter of blocking pipe, thus overcome the defect of prior art existence, effectively improve the sealability of pipeline, and the advantages such as the utility model also has that structure is simple, simple operation, plugging strength are high, good airproof performance.
The utility model is by means of the Telescopic of bulging watt of arc, make arc drum watt can be set in the stuffing box gland of its outside by pushing tow, to increase the diameter of stuffing box gland, to make the outer wall energy of stuffing box gland fit tightly in by the inwall of the pipeline of shutoff, realize preferably pipe plugging effect.
In addition, the gusset that the utility model is provided with in the arc drum upper and lower two ends of watt inwall, in use, can make arc drum watt keep the state fastened all the time with the first guide rail and the second guide rail, guarantee that arc drum watt does not depart from from cover plate and base plate.
In addition, the axial cross section of guiding groove, gusset guiding groove, the first guide rail and the second guide rail is swallow-tail form, adopt the fit system of dovetail rail and swallow-tail form guiding groove, can promote the utility model in use arc drum watt along the first guide rail and the expansion of the second guide rail and bounce back time stability.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is cross sectional side view of the present utility model;
Fig. 2 is ultimate state schematic diagram of the present utility model;
Fig. 3 is expansion device sectional view of the present utility model;
Fig. 4 is the schematic diagram of leading screw of the present utility model;
Fig. 5 is arc slips plan view of the present utility model;
Fig. 6 is the plan view of arc of the present utility model drum when watt to be provided with gusset;
Fig. 7 is the side view of the structure of the utility model except stuffing box gland.
Reference numeral illustrates:
1 stuffing box gland 412 second thread section
The 11 flange 413 upper limit shaft shoulders
The 2 base plate 414 lower limit shaft shoulders
21 first guide rail 42 arc drums watt
22 first through hole 421 guiding grooves
23 step hole 422 gussets
3 cover plate 423 gusset guiding grooves
31 second guide rail 43 thread sliders
32 second through hole 431 first thread sliders
4 expansion device 432 second thread sliders
41 leading screw 432 second thread sliders
411 first thread section 5 sleeves
Embodiment
In order to there be understanding clearly to technical characteristics of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described.
As shown in Figure 1, drum-type pipeline plug of the present utility model comprises: stuffing box gland 1, base plate 2, cover plate 3 and expansion device 4.Stuffing box gland 1 is one have bottom tube-like body; Base plate 2 is placed in the bottom surface of stuffing box gland 1 inside, and the upper surface in base plate 2 forms at least one pair of first radially symmetrical guide rail 21; Cover plate 3 is placed in stuffing box gland 1 inside and is positioned at above base plate 2, and the lower surface in cover plate 3 forms at least one pair of second guide rail 31 corresponding with the first guide rail 21; Expansion device 4 is arranged between cover plate 3 and base plate 2, and is connected with cover plate 3, base plate 2, and expansion device 4 can radially pushing tow stuffing box gland 1, is increased the diameter of stuffing box gland 1, realize the shutoff to pipeline by pushing tow.
As shown in Fig. 3, Fig. 4, Fig. 5, expansion device 4 comprises: leading screw 41, at least two arc drum watt 42, two thread sliders 43 and a connecting rod 44.Leading screw 41 two ends can be connected with cover plate 3, base plate 2 rotationally, the upper end of leading screw 41 protrudes out cover plate 3 and forms a drive end, leading screw 41 being formed two thread sections, is be positioned at leading screw 41 top respectively, namely near the first thread section 411 of cover plate 3 side, and be positioned at leading screw 41 bottom, namely near the second thread section 412 of base plate 2 side, and two thread section rotation directions are contrary, such as, when the first thread section 411 is right-handed thread, the second thread section 412 is left-handed thread; The upper/lower terminal that each arc is bulging watt 42 is equipped with the guiding groove 421 that can match with the first guide rail 21, second guide rail 31 respectively, by coordinating of this guiding groove 421 and the first guide rail 21, second guide rail 31, ensure that the stationarity of arc drum watts 42 when radially moving; Two thread sections that two thread sliders 43 are contrary with rotation direction on leading screw 41 are respectively connected, and in the present embodiment, the first thread slider 431 is connected to the first thread section 411, second thread slider 432 and is connected to the second thread section 412; Each arc drum watts 42 is equipped with two connecting rods 44, a specific embodiment as shown in Figure 3, two connecting rods 44 are separately positioned on the upper and lower of arc drum watts 42, and be connected with the first thread slider 431 and the second thread slider 432 respectively, and form between the two ends of connecting rod 44 and thread slider 43 and arc drum watts 42 and be articulated and connected.
Preferably, as shown in Figure 4, form the boss of undergauge in leading screw about 41 two ends respectively, the boss at these upper and lower two ends forms the upper limit shaft shoulder 413 and the lower limit shaft shoulder 414 respectively, and cover plate 3 and base plate 2 can be resisted against the upper limit shaft shoulder 413 and the lower limit shaft shoulder 414 respectively.In use, relative to when directly pressing on the guiding groove 421 of each arc drum watts 42, be resisted against cover plate 3 and the base plate 2 of the upper limit shaft shoulder 413 and the lower limit shaft shoulder 414 respectively, the extruding force to each arc drum watts 42 can be alleviated, each arc drum watts 42 can be moved more smoothly along the first guide rail 21, second guide rail 31.
In a feasible embodiment, in cover plate 3 and the upper limit shaft shoulder 413 and be respectively equipped with a sleeve 5 between base plate 2 and the lower limit shaft shoulder 414, the situation of the upper limit shaft shoulder 413 and the lower limit shaft shoulder 414 is directly pressed on respectively relative to cover plate 3 and base plate 2, after the utility model being provided with sleeve 5 weares and teares, only need change sleeve 5, cover plate 3 or base plate 2, the working life of leading screw 41 can be extended, reduce maintenance, change the expense of leading screw 41.
In a specific embodiment, be provided with two arcs bulging watt 42 between cover plate 3 and base plate 2, arc is two for bulging watt 42 can form a cylindrical semicircular arc drum watt.
Further, as shown in Figure 6, gusset 422 corresponding with the first guide rail 21 and the second guide rail 31 is respectively respectively equipped with in the two ends up and down of arc drum watt 42 inwalls, the wider side of gusset 422 at arc drum watt 42 inwall two ends is respectively towards cover plate 3 and base plate 2, and gusset 422 is provided with the gusset guiding groove 423 be connected with guiding groove 421.As shown in Figure 2, in use, when thread slider 43 drivening rod 44 moves to connecting rod 44 for level, arc drum watts 42 moves to limit position along the first guide rail 21, second guide rail 31, and the stuffing box gland 1 that pushing tow is set in arc drum watt 42 outsides is simultaneously extended to its maximum diameter.Owing to being provided with gusset 422 on arc drum watt 42 inwalls, therefore, it is possible to make arc drum watts 42 keep the state fastened all the time with the first guide rail 21 and the second guide rail 31, when can ensure that arc drum watts 42 is radially expanded, also can not from cover plate 3, base plate 2 disengaging.
Preferably, as shown in Figure 7, the axial cross section of guiding groove 421, gusset guiding groove 423, first guide rail 21 and the second guide rail 31 is swallow-tail form, adopt the fit system of dovetail rail and swallow-tail form guiding groove, stability when can promote the utility model in use arc drum watts 42 is expanded along the first guide rail 21 and the second guide rail 31 and bounces back, but the circumferential cross-section shape of the utility model to guide rail and guiding groove does not limit.
Further, inwardly protruded out a ring flange 11 in stuffing box gland 1 opening, flange 11 protrudes out to above cover plate 3.Protrude out to the flange 11 above cover plate 3, can guarantee that stuffing box gland 1 can not come off from the outside of cover plate 3, expansion device 4 and base plate 2.
A feasible technological scheme forms the first through hole 22 and the second through hole 32 respectively in base plate 2 and cover plate 3 center, and leading screw 41 can pass the first through hole 22 and the second through hole 32 rotationally.In use, user can be screwed through the leading screw 41 of the first through hole 22 and the second through hole 32 more flexibly swimmingly.
In addition, form a step hole 23 in the lower surface center of base plate 2, the lower end of leading screw 41 can be placed in step hole 23.In use, can ensure that the lower end of leading screw 41 does not protrude from the lower surface of base plate 2, when arc bulging watt of 42 pushing tow stuffing box gland 1, eliminate leading screw 41 lower end to the obstruction that may cause bottom stuffing box gland 1.
Stuffing box gland 1 of the present utility model can adopt conventional sealing material to make.
Further illustrate working principle of the present utility model below in conjunction with accompanying drawing: drum-type pipeline plug of the present utility model be arranged on need by the pipeline of shutoff time, available spanner or other instruments screw the drive end of leading screw 41 in expansion device 4 along clockwise (or counterclockwise) direction, move in opposite directions on two thread sections that leading screw 41 rotation direction is contrary respectively to drive two thread sliders 43, then reduce the angle of connecting rod 44 and substantially horizontal, make connecting rod 44 can rouse watt 42 inwalls by pushing tow arc, make watt 42 radially slips on the first guide rail 21 and the second guide rail 31 of each arc drum, and pushing tow stuffing box gland 1 is expanded to duct orientation, and then the diameter of stuffing box gland 1 is increased, the outer wall energy of stuffing box gland 1 is made to fit tightly in by the inwall of the pipeline of shutoff, realize the shutoff to pipeline.
At releasing the utility model to the shutoff of pipeline, when drum-type pipeline plug is taken out from pipeline, available spanner or other instruments are along counterclockwise (or clockwise, with make drum-type pipeline plug realize when sealing to screw direction contrary) direction screws the drive end of leading screw 41 in expansion device 4, move in opposite directions (contrary with the movement direction making drum-type pipeline plug realize when sealing) on two thread sections that leading screw 41 rotation direction is contrary respectively to drive two thread sliders 43, increase the angle being hinged on connecting rod on two thread sliders 43 44 and substantially horizontal, connecting rod 44 is made to drive watt 42 radially slips on the first guide rail 21 and the second guide rail 31 of each arc drum, bounce back towards the direction away from pipeline, and then remove the thrusting action of arc drum watt 42 pairs of stuffing box glands 1, make the reduced of stuffing box gland 1, realize the dismounting of drum-type pipeline plug, to remove the shutoff of the utility model to pipeline.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (10)
1. a drum-type pipeline plug, is characterized in that, described drum-type pipeline plug comprises:
One stuffing box gland, described stuffing box gland is one have bottom tube-like body;
One base plate, described base plate is placed in the bottom surface of described stuffing box gland inside, and the upper surface in described base plate forms at least one pair of first radially symmetrical guide rail;
One cover plate, described cover plate is placed in described stuffing box gland inside and is positioned at above described base plate, and the lower surface in described cover plate forms at least one pair of second guide rail corresponding with described first guide rail;
One expansion device, described expansion device is arranged between described cover plate and described base plate, and is connected with described cover plate, described base plate, and described expansion device can radially stuffing box gland described in pushing tow.
2. drum-type pipeline plug as claimed in claim 1, it is characterized in that, described expansion device comprises:
One leading screw, described leading screw two ends can be connected with described cover plate, described base plate rotationally, the upper end of described leading screw protrudes out described cover plate and forms a drive end, described leading screw is formed with two thread sections, the first thread section near described cover plate is contrary with the second thread section rotation direction near described base plate;
Bulging watt of at least two arcs, the upper/lower terminal that each described arc is bulging watt is equipped with the guiding groove that can match with described first guide rail, described second guide rail respectively;
Two thread sliders, are connected with two thread sections on described leading screw respectively;
Connecting rod, each described arc drum watt is equipped with two described connecting rods, and two described connecting rods are connected with two described thread sliders respectively, form and be articulated and connected between the two ends of described connecting rod and described thread slider and described arc drum watt.
3. drum-type pipeline plug as claimed in claim 2, it is characterized in that, the boss of undergauge is formed respectively in the upper and lower two ends of described leading screw, the described boss at upper and lower two ends forms the upper limit shaft shoulder and the lower limit shaft shoulder respectively, and described cover plate and described base plate can be resisted against the described upper limit shaft shoulder and the described lower limit shaft shoulder respectively.
4. drum-type pipeline plug as claimed in claim 2, is characterized in that, is provided with two described arc drums watt between described cover plate and described base plate, and described arc drum watt is two can form a cylindrical semicircular arc drum watt.
5. drum-type pipeline plug as claimed in claim 2, it is characterized in that, be provided with gusset corresponding with described first guide rail and described second guide rail respectively in described arc drum watt inwall, described gusset is provided with the gusset guiding groove be connected with described guiding groove.
6. drum-type pipeline plug as claimed in claim 5, it is characterized in that, the axial cross section of described guiding groove, described gusset guiding groove, described first guide rail and described second guide rail is swallow-tail form.
7. the drum-type pipeline plug as described in any one of claim 1 to 6, is characterized in that, inwardly protruded out a ring flange in described stuffing box gland opening, described flange protrudes out to above described cover plate.
8. the drum-type pipeline plug as described in any one of claim 2 to 6, is characterized in that, forms the first through hole and the second through hole respectively in described base plate and described cover plate central place, and described leading screw can pass described first through hole and described second through hole rotationally.
9. drum-type pipeline plug as claimed in claim 8, it is characterized in that, form a step hole in the lower surface center of described base plate, the lower end of described leading screw can be placed in described step hole.
10. drum-type pipeline plug as claimed in claim 3, is characterized in that, described cover plate and the described upper limit shaft shoulder and be respectively equipped with a sleeve between described base plate and the described lower limit shaft shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773699.0U CN204284781U (en) | 2014-12-10 | 2014-12-10 | Drum-type pipeline plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773699.0U CN204284781U (en) | 2014-12-10 | 2014-12-10 | Drum-type pipeline plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204284781U true CN204284781U (en) | 2015-04-22 |
Family
ID=52867942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420773699.0U Expired - Fee Related CN204284781U (en) | 2014-12-10 | 2014-12-10 | Drum-type pipeline plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204284781U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889698A (en) * | 2016-06-22 | 2016-08-24 | 深圳市樊溪电子有限公司 | Attaching and embedding device for repairing pipe |
| CN107993464A (en) * | 2017-11-28 | 2018-05-04 | 深圳市贝优通新能源技术开发有限公司 | A kind of anti-glare Multifunctional traffic signal lamp with generating function |
| CN110887510A (en) * | 2019-12-10 | 2020-03-17 | 湖南博锐泰仪表有限公司 | Flexible anticorrosive magnetostrictive probe of poly tetrachloroethylene |
| CN112460446A (en) * | 2020-10-26 | 2021-03-09 | 曾耀华 | Urban water supply underground pipeline pressure measuring device |
| CN113236899A (en) * | 2021-04-26 | 2021-08-10 | 广东汕泰建筑工程有限公司 | Municipal pipeline maintenance device for emergency rescue and maintenance method thereof |
| CN113585424A (en) * | 2021-08-11 | 2021-11-02 | 广东德泽建设工程有限公司 | Non-large excavation point-like replacement minimally-invasive repair construction method for municipal rainwater and sewage pipeline |
-
2014
- 2014-12-10 CN CN201420773699.0U patent/CN204284781U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889698A (en) * | 2016-06-22 | 2016-08-24 | 深圳市樊溪电子有限公司 | Attaching and embedding device for repairing pipe |
| WO2017219452A1 (en) * | 2016-06-22 | 2017-12-28 | 深圳市樊溪电子有限公司 | Sticking engagement apparatus for repairing pipeline |
| CN107993464A (en) * | 2017-11-28 | 2018-05-04 | 深圳市贝优通新能源技术开发有限公司 | A kind of anti-glare Multifunctional traffic signal lamp with generating function |
| CN110887510A (en) * | 2019-12-10 | 2020-03-17 | 湖南博锐泰仪表有限公司 | Flexible anticorrosive magnetostrictive probe of poly tetrachloroethylene |
| CN112460446A (en) * | 2020-10-26 | 2021-03-09 | 曾耀华 | Urban water supply underground pipeline pressure measuring device |
| CN113236899A (en) * | 2021-04-26 | 2021-08-10 | 广东汕泰建筑工程有限公司 | Municipal pipeline maintenance device for emergency rescue and maintenance method thereof |
| CN113585424A (en) * | 2021-08-11 | 2021-11-02 | 广东德泽建设工程有限公司 | Non-large excavation point-like replacement minimally-invasive repair construction method for municipal rainwater and sewage pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |