CN210380194U - Electric power pipeline plugging device - Google Patents
Electric power pipeline plugging device Download PDFInfo
- Publication number
- CN210380194U CN210380194U CN201921494827.7U CN201921494827U CN210380194U CN 210380194 U CN210380194 U CN 210380194U CN 201921494827 U CN201921494827 U CN 201921494827U CN 210380194 U CN210380194 U CN 210380194U
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- China
- Prior art keywords
- locking bolt
- limiting groove
- pressing plate
- expansion sleeve
- clamp plate
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Abstract
The utility model relates to an electric power pipeline plugging device, which comprises an expansion sleeve, an inner pressing plate and an outer pressing plate which are pressed and held at the inner end and the outer end of the expansion sleeve, and a locking bolt, the locking bolt comprises a rod body, an external thread part arranged on the inner section of the rod body, a screwing part arranged on the outer section of the rod body and a limiting step part arranged on the rod body and positioned between the external thread part and the screwing part, the center of the outer pressing plate is provided with a through hole and a limit groove arranged around the periphery of the through hole, the center of the inner pressing plate is provided with an inner threaded hole, the inner section of the rod body of the locking bolt passes through the through hole on the outer pressure plate and the expansion sleeve and is in threaded connection with the inner threaded hole on the inner pressure plate through the outer threaded part on the rod body, the limiting step part of the locking bolt extends into the limiting groove on the outer pressing plate and is matched with the axial stop of the limiting groove, and the screwing part of the locking bolt is exposed out of the outer pressing plate. The utility model has the advantages of simple structure, convenient operation and use, good sealing effect, strong practicability and the like.
Description
Technical Field
The utility model belongs to the technical field of power pipeline accessory technique and specifically relates to an electric power pipeline plugging device is related to.
Background
With the advance of the urbanization process in China, urban underground pipelines are developed more and more, especially cable pipelines are increasingly applied to municipal construction, and the stability of cables in the underground pipelines is particularly important because the cable pipelines are responsible for the tasks of transmitting electric power and information. Because the cable pipeline is laid below the ground, water seepage or animals can easily enter the cable pipeline, so that cables in the cable pipeline are easily corroded and aged by water vapor or damaged by the movement of the animals, and particularly for some reserved cable pipelines, the cables are not placed in the reserved cable pipelines, so that the cables can more easily enter water vapor, dust, animals and the like. However, in the current market, a variety of occluders are used for occluding pipelines with cables, but the types of occluders for occluding reserved pipelines without cables are few, and the limited types also have the defects of inconvenient operation and unreliable sealing, so that a special occluder for reserved pipelines without cables is newly developed by the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a simple structure, operation convenient to use, sealed effectual, the practicality is strong and is exclusively used in the electric power pipeline plugging device of the reservation pipeline that does not place the cable.
The purpose of the utility model is realized through the following technical scheme:
an electric power pipeline plugging device comprises an expansion sleeve, an inner pressing plate and an outer pressing plate which are pressed and held at the inner end and the outer end of the expansion sleeve, and a locking bolt, the locking bolt comprises a rod body, an external thread part arranged at the inner section of the rod body, a screwing part arranged at the outer section of the rod body and a limiting step part arranged on the rod body and positioned between the external thread part and the screwing part, the center of the outer pressing plate is provided with a through hole and a limit groove arranged around the periphery of the through hole, the center of the inner pressing plate is provided with an inner threaded hole, the inner section of the rod body of the locking bolt passes through the through hole on the outer pressure plate and the expansion sleeve and is in threaded connection with the inner threaded hole on the inner pressure plate through the outer threaded part on the rod body, the limiting step part of the locking bolt extends into the limiting groove on the outer pressing plate and is matched with the axial stop of the limiting groove, and the screwing part of the locking bolt is exposed out of the outer pressing plate.
Furthermore, the limiting groove is an annular limiting groove, an annular flange is formed between the annular limiting groove and the through hole, the limiting step part is a circular cover body with an opening facing the annular limiting groove, the peripheral wall of the circular cover body is sleeved in the annular limiting groove, a sealing ring is arranged between the circular cover body and the annular limiting groove, and the end wall of the closed end of the circular cover body is abutted against the annular flange.
Further, the screwing part is annular.
Furthermore, the expansion sleeve is a taper sleeve made of rubber materials, and the outer end of the taper sleeve is large while the inner end of the taper sleeve is small.
Further, the maximum outer diameter of the inner pressure plate is smaller than the outer diameter of the small end of the expansion sleeve and larger than the inner diameter of the small end of the expansion sleeve.
Further, the maximum outer diameter of the outer pressing plate is larger than the outer diameter of the large end of the expansion sleeve.
Furthermore, an annular stopping portion extending into the small end of the expansion sleeve is arranged on the inner pressing plate.
Furthermore, the big end of the expansion sleeve is provided with an outward-opened bevel, and the inner end of the outer pressing plate is provided with a step part which is in abutting fit with the surface of the bevel.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, the utility model discloses locking the three together with the help of a locking bolt that runs through the outer clamp plate, expand set and interior clamp plate, and then make the outside inflation of cover and realize the shutoff with the laminating of pipe inner wall, not only simple structure, it is with low costs, operation convenient to use moreover, the practicality is strong.
Secondly, the utility model discloses not only realize the sealed between shutoff ware and the pipeline inner wall through the cover that expands, but also realize the sealed between locking bolt and the outer clamp plate through the sealing washer, consequently can further improve sealed effect, make in outside steam, dust and rat and insect etc. are more difficult to get into the pipeline, the reliability is high.
Drawings
Fig. 1 is a schematic perspective view of the power pipeline plugging device of the present invention.
Fig. 2 is an axial sectional view of the power pipeline plugging device of the present invention.
Fig. 3 is an exploded view of a viewing angle of the power pipeline plugging device of the present invention.
Fig. 4 is an exploded view of another view of the power pipeline plugging device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments shown in the drawings.
As shown in fig. 1 to 4, the utility model relates to an electric power pipeline plugging device, including expanding sleeve 1 and pressing the interior clamp plate 2 and the outer clamp plate 3 of holding at the inside and outside both ends of expanding sleeve 1. The locking bolt 4 comprises a rod body 41, an external thread part 42 arranged on the inner section of the rod body 41, a screwing part 43 arranged on the outer section of the rod body 41, and a limiting step part 44 arranged on the rod body 41 and positioned between the external thread part 42 and the screwing part 43. The center of outer clamp plate 3 is equipped with perforation 31 and the spacing recess 32 that sets up around perforation 31 periphery, and the center of interior clamp plate 2 is equipped with internal thread hole 21. The inner section of the rod body 41 of the locking bolt 4 passes through the through hole 31 on the outer pressing plate 3 and the expansion sleeve 1 and is in threaded connection with the inner threaded hole 21 on the inner pressing plate 2 through the upper outer threaded part 42, the limiting step part 44 of the locking bolt 4 extends into the limiting groove 32 on the outer pressing plate 3 and is in axial stop fit with the limiting groove, and the screwing part 43 of the locking bolt 4 is exposed out of the outer pressing plate 3.
During the use, the utility model discloses the inner pressure plate 2 of plugging device all fills in the pipeline with the cover 1 that expands, and outer clamp plate 3 then the card is held at the pipeline mouth, then the hand is twisted locking bolt 4 twist the portion 43 of revolving soon, makes the 3 directions of the outside clamp plate of inner pressure plate 2 remove to the oppression is expanded and is overlapped 1 outwards takes place the inflation and tightly laminates with the pipeline inner wall, and then realizes sealedly.
The limiting groove 32 is an annular limiting groove, an annular flange 33 is formed between the annular limiting groove and the through hole 31, the limiting step portion 44 is a circular cover body with an opening facing the annular limiting groove, the peripheral wall 441 of the circular cover body is sleeved in the annular limiting groove, a sealing ring 5 is arranged between the annular limiting groove and the annular limiting groove, and the end wall 442 of the closed end of the circular cover body is abutted against the annular flange 33, so that the axial stopping matching between the limiting step portion 44 and the limiting groove 32 is realized. In addition, the sealing ring 5 in the structure can realize the sealing between the locking bolt 4 and the outer pressure plate 3, thereby further improving the sealing effect of the stopper.
Preferably, the screw part 43 has a circular ring shape for easy operation.
Preferably, in order to facilitate the installation of the plugging device, the expansion sleeve 1 is a taper sleeve made of rubber materials, and the outer end of the taper sleeve is larger than the inner end of the taper sleeve. And the maximum outer diameter of the inner pressing plate 2 is smaller than the outer diameter of the small end of the expansion sleeve 1 and larger than the inner diameter of the small end of the expansion sleeve 1, and the maximum outer diameter of the outer pressing plate 3 is larger than the outer diameter of the large end of the expansion sleeve 1.
Preferably, in order to ensure that the expansion sleeve 1 has good expansion deformation capability and is sealed reliably, the large end of the expansion sleeve 1 is provided with an outward-opened bevel 11, the inner end of the outer pressing plate 3 is provided with a step portion 34 which is in abutting fit with the surface of the bevel 11, and meanwhile, the inner pressing plate 2 is provided with an annular stop portion 22 which extends into the small end of the expansion sleeve 1.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.
Claims (8)
1. The utility model provides an electric power pipeline plugging device, includes the cover that expands and presses the interior clamp plate and the outer clamp plate of holding at the inside and outside both ends of cover that expand, its characterized in that: still include a locking bolt, locking bolt includes the body of rod, sets up external screw thread portion, the setting of section in the body of rod are in the external section of rod twist portion and setting up of pole and be in on the body of rod and be located external screw thread portion with twist spacing step portion between the portion, the center of outer clamp plate is equipped with perforates and winds the spacing recess that the perforation periphery set up, the center of inner clamp plate is equipped with the internal thread hole, locking bolt's the body of rod inner segment passes perforation on the outer clamp plate with expand the cover and through its upper external screw thread portion with internal thread hole spiro union on the inner clamp plate, locking bolt's spacing step portion stretches into in the spacing recess on the outer clamp plate and with it the cooperation of axial backstop, locking bolt twist the portion of twisting expose in the outer clamp plate.
2. The power conduit closure of claim 1, wherein: the limiting groove is an annular limiting groove, an annular flange is formed between the annular limiting groove and the through hole, the limiting step part is a circular cover body with an opening facing the annular limiting groove, the peripheral wall of the circular cover body is sleeved in the annular limiting groove, a sealing ring is arranged between the annular limiting groove and the annular limiting groove, and the end wall of the closed end of the circular cover body is abutted against the annular flange.
3. The power conduit closure of claim 1, wherein: the screwing part is annular.
4. The power conduit closure of claim 1, wherein: the expansion sleeve is a taper sleeve made of rubber materials, and the outer end of the taper sleeve is large while the inner end of the taper sleeve is small.
5. The power conduit closure of claim 4, wherein: the maximum outer diameter of the inner pressure plate is smaller than the outer diameter of the small end of the expansion sleeve and larger than the inner diameter of the small end of the expansion sleeve.
6. The power conduit closure of claim 4, wherein: the maximum outer diameter of the outer pressing plate is larger than the outer diameter of the large end of the expansion sleeve.
7. The power conduit closure of claim 4, wherein: and an annular stopping part extending into the small end of the expansion sleeve is arranged on the inner pressing plate.
8. The power conduit closure of claim 4, wherein: the large end of the expansion sleeve is provided with an outward-opened bevel opening, and the inner end of the outer pressing plate is provided with a step part which is in abutting fit with the surface of the bevel opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494827.7U CN210380194U (en) | 2019-09-09 | 2019-09-09 | Electric power pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494827.7U CN210380194U (en) | 2019-09-09 | 2019-09-09 | Electric power pipeline plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210380194U true CN210380194U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921494827.7U Active CN210380194U (en) | 2019-09-09 | 2019-09-09 | Electric power pipeline plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210380194U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059892A (en) * | 2020-09-29 | 2020-12-11 | 中国航发动力股份有限公司 | Processing method and processing and plugging device for eddy current device air flow controllable abrasive flow |
| CN113693057A (en) * | 2021-09-06 | 2021-11-26 | 湖南长高高压开关集团股份公司 | A shutoff bird prevention device for tubular part |
-
2019
- 2019-09-09 CN CN201921494827.7U patent/CN210380194U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059892A (en) * | 2020-09-29 | 2020-12-11 | 中国航发动力股份有限公司 | Processing method and processing and plugging device for eddy current device air flow controllable abrasive flow |
| CN113693057A (en) * | 2021-09-06 | 2021-11-26 | 湖南长高高压开关集团股份公司 | A shutoff bird prevention device for tubular part |
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