CN211779657U - Municipal administration water supply line plugging device - Google Patents
Municipal administration water supply line plugging device Download PDFInfo
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- CN211779657U CN211779657U CN202020328029.3U CN202020328029U CN211779657U CN 211779657 U CN211779657 U CN 211779657U CN 202020328029 U CN202020328029 U CN 202020328029U CN 211779657 U CN211779657 U CN 211779657U
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- stopper post
- plug
- slider
- water supply
- supply line
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Abstract
The utility model relates to a technical field of feed pipe aims at providing a municipal administration water supply line plugging device, including the cock stem, the cock stem overcoat has cup jointed the gasbag, and the grafting is fixed with one-way inflation valve on the gasbag, one-way inflation valve and gasbag intercommunication, install the aerating device with one-way inflation valve intercommunication on the cock stem. Utilize gasbag itself to have elastic characteristic to can fill up unevenness's position on the pipeline inner wall as far as after making the gasbag inflation, when conveniently taking out the cock, strengthened the sealed effect to the pipeline.
Description
Technical Field
The utility model belongs to the technical field of the feed pipe technique and specifically relates to a municipal administration water supply line plugging device is related to.
Background
At present, when repairing and checking a pipeline or laying a new pipeline, the pipeline which is in water flowing is often required to be temporarily plugged so as to repair and repair the pipeline or lay the new pipeline.
The existing pipe plug plugging method is generally adopted for plugging a small-sized pipeline, the pipe plug is provided with a rubber plug and a wooden pipe plug (the pipe opening is plugged and tightly plugged by wrapping hemp cloth and the like), and when the pipe plug is used, the pipe plug is directly inserted into the pipeline from the section of the pipeline so as to plug the pipeline.
The above prior art solutions have the following drawbacks: when the rubber plug or the wooden pipe plug is inserted into the pipeline or taken out of the pipeline, friction exists between the rubber plug and the inner wall of the pipeline, and a worker needs to spend great effort to pull out the rubber plug or the wooden pipe plug, so that certain inconvenience is caused to the worker, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a municipal administration water supply line plugging device.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a municipal administration water supply line plugging device, includes the cock stem, and the diameter of cock stem is less than the diameter of pipeline, the cock stem overcoat has connect the gasbag, peg graft on the gasbag and be fixed with one-way inflation valve, one-way inflation valve with the gasbag intercommunication, install on the cock stem with the aerating device of one-way inflation valve intercommunication.
Through adopting above-mentioned technical scheme, go out the section of plunger from the pipeline and inject into the pipeline in, then use aerating device to inflate so that the gasbag expands, the gasbag after the inflation fills up the space between plunger and the pipeline inner wall, has completely cut off the circulation of air in plunger both ends space, plays the effect of the shutoff pipeline of preferred to make the water in the pipeline difficult follow the section outflow of pipeline, conveniently maintain the pipeline or lay new pipeline. The air bag has the characteristic of elasticity, so that the air bag can fill up the uneven part on the inner wall of the pipeline as far as possible after being expanded, and the sealing effect on the pipeline is enhanced. On cup jointing the cock stem with the gasbag, the cock stem provides the holding power to the gasbag to make the gasbag after the inflation, difficult emergence is rocked, has improved the stability that the gasbag was placed. The inflating device is arranged on the plug column, so that the convenience of inflating the air bag is improved. Because the diameter of the plug is smaller than that of the pipeline, after the plug is used, the air bag is deflated, so that the plug can be taken out of the pipeline easily, and the convenience of operation of workers is improved.
The present invention may be further configured in a preferred embodiment as: the plug is hollow and one end is provided with an opening, the inflation device comprises a sliding block inserted in the plug, the outer side wall of the sliding block is in clearance fit with the inner wall of the plug, the sliding block is in sliding connection with the plug, the one-way inflation valve is communicated with a cavity formed between the sliding block and the non-opening end of the plug, and the sliding block is provided with a one-way air inlet valve communicated with plug spaces on two sides of the sliding block.
By adopting the technical scheme, the sliding block is pulled outwards to slide, the pressure intensity of two sides of the sliding block is changed in the sliding process of the sliding block, the one-way air inlet valve is opened in the sliding process of the sliding block and is in a closed state, the external air flows to the cavity between the sliding block and the inner bottom wall of the plug column from the one-way air inlet valve and then pushes the sliding block in the opposite direction, at the moment, the one-way air inlet valve is in a closed state due to the one-way conduction characteristic of the one-way air inlet valve, the one-way air inlet valve is in an opened state, the air between the sliding block and the inner bottom wall of the plug column flows into the air bag from the one-way air inlet valve, and the air bag can. The air bag can be inflated through sliding by the matching of the sliding block and the one-way air inlet valve, and the air bag is not required to be carried or assisted by other tools, so that the convenience of inflating the air bag is improved; the inflating device is combined with the plug, so that the inflating device can be prevented from being lost while being convenient to carry.
The present invention may be further configured in a preferred embodiment as: the outer side wall of the plug is provided with an annular groove which is closed end to end around the circumference of the plug, and the air bag is arranged in the annular groove.
Through adopting above-mentioned technical scheme, through placing the gasbag in the ring channel to make the gasbag be difficult for breaking away from the stopper post when transport gasbag and stopper post, make things convenient for the transport of gasbag and stopper post. When the air bag placed in the annular groove expands, the air bag is not easy to shift under the limitation of the annular groove, and the plugging effect of the air bag and the plug on the pipeline is improved.
The present invention may be further configured in a preferred embodiment as: the air bag is provided with an air vent, and the air vent is plugged with a plug.
Through adopting above-mentioned technical scheme, after the gasbag used, extract to seal the jam so that the gasbag is lost heart, the gasbag resumes the shrivelled state and accomodates in the ring channel, and then conveniently takes out the stopper post from the pipeline.
The present invention may be further configured in a preferred embodiment as: the sliding block is fixedly connected with a pull rod, one end, far away from the sliding block, of the pull rod extends out of the opening end of the plug, and the diameter of the pull rod is smaller than the caliber of the opening end of the plug.
Through adopting above-mentioned technical scheme, back in injecting the plug into the pipeline, when sliding toward the plug bottom because of the slider, the operator need stretch into the plug with the hand in, through setting up the pull rod, the operator can slide in the plug through the pulling pull rod so that the slider has improved the convenience that aerating device used.
The present invention may be further configured in a preferred embodiment as: and a cross rod is fixed at one end of the pull rod extending out of the plug, the cross rod and the pull rod are not collinear, and the length of the cross rod is greater than the caliber of the opening end of the plug.
Through adopting above-mentioned technical scheme, through the horizontal pole that the fixed length is greater than stopper post open end diameter on the pull rod to when the slider slides, the slider is difficult for being inhaled when stopper post bottom wall end pressure intensity is less and is pasted the interior bottom wall department of tight stopper post, conveniently stimulates the slider and slides.
The present invention may be further configured in a preferred embodiment as: the plug is characterized in that a positioning rod is fixedly connected to the plug, one end of the positioning rod is fixedly connected with the plug, the positioning rod is sleeved with an upper clamping plate and a lower clamping plate, the upper clamping plate is connected with the positioning rod in a sliding mode, and a threaded fastener is connected to one side, located on the positioning rod, of the upper clamping plate, back to the lower clamping plate through threads.
Through adopting above-mentioned technical scheme, press from both sides the inner wall of pipeline tightly through punch holder and lower plate, cooperate threaded fastener again and carry on spacingly to punch holder and lower plate, and then realize the pre-fixing of stopper post and pipeline to when making the pulling slider motion, the operator can directly hold the pull rod and carry out the work of aerifing to the gasbag, has improved the convenience of operation, also makes the gasbag at the inflatable in-process, is difficult for appearing the aversion. The upper clamping plate and the lower clamping plate are sleeved on the positioning rod, and the upper clamping plate is limited by the threaded fastener, so that the upper clamping plate and the lower clamping plate are not easy to lose in the carrying process.
The present invention may be further configured in a preferred embodiment as: the number of the positioning rods is not less than two.
Through adopting above-mentioned technical scheme, through setting up the joint strength of two locating levers in order to increase stopper post and pipeline to make the stopper post in the gas filled in-process of gasbag, the aversion is difficult for appearing.
To sum up, the utility model discloses a following at least one useful technological effect:
1. insert the plunger into the pipeline from the section play of pipeline in, then use aerating device to inflate so that the gasbag inflation, the gasbag after the inflation fills up the space between plunger and the pipeline inner wall, has isolated plunger both ends space, plays the effect of the shutoff pipeline of preferred to make the water in the pipeline be difficult for flowing out from the section of pipeline, conveniently maintain the pipeline or lay new pipeline. The characteristic of elasticity of the air bag is utilized, so that the air bag can fill up the uneven part on the inner wall of the pipeline as much as possible after being expanded, and the sealing effect on the pipeline is enhanced;
2. the air bag can be inflated through sliding by the matching of the sliding block and the one-way air inlet valve, and the air bag is not required to be carried or assisted by other tools, so that the convenience of inflating the air bag is improved; the inflation device is combined with the plug, so that the inflation device is convenient to carry and can be prevented from being lost;
3. the inner wall of the pipeline is clamped tightly through the upper clamping plate and the lower clamping plate, the upper clamping plate and the lower clamping plate are limited through the threaded fastener, and then the pre-fixing of the plug and the pipeline is realized, so that when the sliding block is pulled to move, an operator can directly pull the pull rod to perform the inflation work on the air bag, the convenience of operation is improved, and the air bag is not easy to shift in the inflation process.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic view of the present embodiment with the plug and balloon separated.
In the figure, 1, a pipeline; 2. a plug; 3. a slider; 4. an air bag; 5. a one-way inflation valve; 6. a one-way intake valve; 7. an annular groove; 8. a pull rod; 9. a cross bar; 10. air bleeding holes; 11. blocking; 12. positioning a rod; 13. an upper splint; 14. a lower splint; 15. a threaded fastener.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a municipal administration water supply line plugging device, including stopper post 2, the diameter of stopper post 2 is less than pipeline 1's diameter, and 2 overcoat joints of stopper post have gasbag 4, and it has one-way inflation valve 5 to peg graft on the medial surface of gasbag 4, and one-way inflation valve 5 and 4 intercommunications of gasbag, install the aerating device who communicates with one-way inflation valve 5 on the stopper post 2.
Referring to fig. 1 and 2, the cross section of the plug 2 is round, the plug 2 is hollow and has an opening at one end, the inflation device comprises a sliding block 3 inserted in the plug 2, the cross section of the sliding block 3 is round, the outer side wall of the sliding block 3 is in clearance fit with the inner side wall of the plug 2, the sliding block 3 is in sliding connection with the plug 2, a sealed cavity is formed between the sliding block 3 and the inner bottom wall of the plug 2, and the one-way inflation valve 5 is communicated with the cavity (i.e. the space between the sliding block 3 and the inner bottom wall of the plug 2).
Referring to fig. 1, perpendicular 2 axis direction fixedly connected with locating levers 12 of stopper post on the stopper post, the one end and the stopper post 2 fixed connection of locating lever 12, upper plate 13 and lower plate 14 have been cup jointed on the locating lever 12, upper plate 13 and lower plate 14 are placed relatively, lower plate 14 rotates with the one end that locating lever 12 is close to stopper post 2 and is connected, upper plate 13 and locating lever 12 sliding connection, threaded connection has threaded fastener 15 on the locating lever 12, in this embodiment, threaded fastener 15 includes the nut, in other embodiments, threaded fastener 15 still includes the cooperation of nut and nut gasket. The threaded fastener 15 is located on the side of the upper jaw 13 facing away from the lower jaw 14.
Referring to fig. 1, the number of the positioning rods 12 is not less than two, and in this embodiment, two positioning rods 12 are preferably provided, and in other embodiments, three positioning rods 12 may be provided.
Referring to fig. 1, a one-way air inlet valve 6 is inserted into the sliding block 3, the sliding block 3 at one end of the one-way air inlet valve 6 is communicated with a cavity between the bottom walls of the plugs 2, and the other end of the one-way air inlet valve 6 is communicated with the outside.
Referring to fig. 1, a pull rod 8 is fixedly connected to the slider 3, the pull rod 8 is located in the middle of the slider 3, and one end of the pull rod 8, which is far away from the slider 3, extends out of the plug 2 from the open end of the plug 2. The cross section of the pull rod 8 is round, and the diameter of the pull rod 8 is smaller than the caliber of the opening end of the plug 2.
Referring to fig. 1, a cross bar 9 is fixedly connected to one end of the pull rod 8 extending out of the plug 2, and the axis of the cross bar 9 is perpendicular to the axis of the pull rod 8. The length of the cross rod 9 is larger than the caliber of the opening end of the plug 2.
Referring to fig. 2, an end-to-end closed annular groove 7 is recessed on the outer side wall of the plug 2 around the periphery of the plug 2, and the airbag 4 is sleeved on the annular groove 7.
Referring to fig. 2, the air bag 4 is provided with an air vent 10, the air vent 10 faces the section of the pipeline 1, and a sealing plug 11 is inserted into the air vent 10.
The implementation principle of the embodiment is as follows:
the plug 2 is inserted into the pipe 1 from the cross section of the pipe 1, then the upper clamp 13 is slid to clamp the inner wall of the pipe 1 between the upper clamp 13 and the lower clamp 14, and then the upper clamp 13 and the lower clamp 14 are tightened using the threaded fastener 15 to fix the plug 2 with the pipe 1, and thus when the slider 3 is pulled to move, the plug 2 is less likely to come off the pipe 1, so that the operator pulls the slider 3. Meanwhile, after the air bag 4 is expanded, the air bag 4 is not easy to displace, and the plugging effect of the plug 2 and the air bag 4 on the pipeline 1 is enhanced.
The pull rod 8 is pulled outwards to enable the sliding block 3 to slide towards the opening end of the plug 2, at the moment, external air enters a cavity between the sliding block 3 and the inner bottom wall of the plug 2 through the one-way air inlet valve 6, at the moment, the one-way inflation valve 5 is in a closed state, then the sliding block 3 is pushed in the reverse direction, due to the characteristic of one-way conduction of the one-way air inlet valve 6, at the moment, the one-way air inlet valve 6 is in a closed state, the one-way inflation valve 5 is in an open state, air between the sliding block 3 and the inner bottom wall of the plug 2 flows into the air bag 4 from the one-way inflation valve 5 under the pushing of the sliding block 3, the operation is repeated. The gasbag 4 after the inflation is filled up the air between 2 and the 1 inner wall of pipeline of plunger, plays the isolated effect of preferred to the space at 2 both ends of plunger, and then makes the difficult section department from pipeline 1 of following of water in the pipeline 1 flow out.
The cooperation through slider 3 and one-way admission valve 6 realizes aerifing gasbag 4, need not with the help of other instruments, improves the convenience to the use of gasbag 4, and simultaneously, stopper post 2 still has certain supporting role to gasbag 4 to make gasbag 4 be difficult for appearing the aversion.
After the use is finished, the sealing plug 11 is taken down to deflate the air bag 4, the limitation of the upper clamping plate 13 and the lower clamping plate 14 on the pipeline 1 is released, the plug 2 can be taken out of the pipeline 1 at the moment, the plug 2 and the air bag 4 which are taken down can be recycled again, and the use cost is saved.
By placing the balloon 4 in the annular groove 7, the balloon 4 is made less likely to come off the plug 2.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a municipal administration water supply line plugging device which characterized in that: including stopper post (2), the diameter of stopper post (2) is less than the diameter of pipeline (1), stopper post (2) overcoat has connect gasbag (4), peg graft on gasbag (4) and be fixed with one-way inflation valve (5), one-way inflation valve (5) with gasbag (4) intercommunication, install on stopper post (2) with the aerating device of one-way inflation valve (5) intercommunication.
2. The municipal water supply line plugging device according to claim 1, wherein: the utility model discloses a pneumatic valve, including stopper post (2), slider (3) lateral wall, slider (3) and stopper post (2), the setting of cavity and one end opening is become in stopper post (2), aerating device including peg graft in slider (3) of stopper post (2), slider (3) lateral wall with the inner wall clearance fit of stopper post (2), slider (3) with stopper post (2) sliding connection, the cavity intercommunication that forms between one-way inflation valve (5) and slider (3) and the stopper post (2) not opening one end, it has one-way admission valve (6) in stopper post (2) space of intercommunication slider (3) both sides to open on slider (3).
3. The municipal water supply line plugging device according to claim 1, wherein: an annular groove (7) which is closed end to end is formed in the outer side wall of the plug column (2) in a recessed mode around the circumference of the plug column (2), and the air bag (4) is placed in the annular groove (7).
4. The municipal water supply line plugging device according to claim 2, wherein: an air vent (10) is formed in the air bag (4), and a sealing plug (11) is inserted into the air vent (10).
5. The municipal water supply line plugging device according to claim 2, wherein: slider (3) fixedly connected with pull rod (8), the one end that slider (3) were kept away from in pull rod (8) stretches out from the open end of stopper post (2), the diameter of pull rod (8) is less than the bore of stopper post (2) open end.
6. The municipal water supply line plugging device according to claim 5, wherein: one end of the pull rod (8) extending out of the plug (2) is fixed with a cross rod (9), the cross rod (9) and the pull rod (8) are not collinear, and the length of the cross rod (9) is larger than the caliber of the opening end of the plug (2).
7. The municipal water supply line plugging device according to claim 2, wherein: fixedly connected with locating lever (12) on stopper post (2), the one end and stopper post (2) fixed connection of locating lever (12), punch holder (13) and lower plate (14) have been cup jointed in locating lever (12), punch holder (13) with locating lever (12) sliding connection, one side threaded connection that is located punch holder (13) dorsad lower plate (14) on locating lever (12) has threaded fastener (15).
8. The municipal water supply line plugging device according to claim 7, wherein: the number of the positioning rods (12) is not less than two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020328029.3U CN211779657U (en) | 2020-03-16 | 2020-03-16 | Municipal administration water supply line plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020328029.3U CN211779657U (en) | 2020-03-16 | 2020-03-16 | Municipal administration water supply line plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211779657U true CN211779657U (en) | 2020-10-27 |
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ID=72930131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020328029.3U Active CN211779657U (en) | 2020-03-16 | 2020-03-16 | Municipal administration water supply line plugging device |
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| CN (1) | CN211779657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884306A (en) * | 2021-09-30 | 2022-01-04 | 安徽江淮汽车集团股份有限公司 | Plugging device |
| CN114704705A (en) * | 2021-04-25 | 2022-07-05 | 天圜工程有限公司 | Air sac plugging device for pipeline maintenance |
-
2020
- 2020-03-16 CN CN202020328029.3U patent/CN211779657U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704705A (en) * | 2021-04-25 | 2022-07-05 | 天圜工程有限公司 | Air sac plugging device for pipeline maintenance |
| CN113884306A (en) * | 2021-09-30 | 2022-01-04 | 安徽江淮汽车集团股份有限公司 | Plugging device |
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