CN212518359U

CN212518359U - Plugging head for pipe orifice of power cable protection pipe

Info

Publication number: CN212518359U
Application number: CN202021492556.4U
Authority: CN
Inventors: 郑志远; 梁斌; 邓文强; 魏建明; 黄青山
Original assignee: Fujian Hongrui Construction Engineering Co ltd
Current assignee: Fujian Hongrui Construction Engineering Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-02-09
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to a power cable protection tube is end cap for mouth of pipe, including pegging graft in the end cap of pipeline, the end cap is inside hollow structure, one side of end cap is equipped with the lid, the end cap internal rotation is connected with the threaded rod, the one end of threaded rod extends the lid and is equipped with the grab handle, the end cap is for having elastic plastics material, the threaded rod is located partial threaded connection in the end cap and has the butt piece, is equipped with the guide between end cap and the butt piece, is equipped with the lateral wall that is used for driving the end cap between butt piece and the end cap and supports the butt structure tight in pipeline inner wall, be equipped with between end cap and the pipeline and be used for restricting end. This application has the effect of convenient dismantlement and installation.

Description

Plugging head for pipe orifice of power cable protection pipe

Technical Field

The application relates to the technical field of power engineering, in particular to a plugging head for a pipe orifice of a power cable protection pipe.

Background

In the city, cable run's the principle of arranging is road both sides, avoids the road edge excavation and the construction of relapse, avoids unnecessary wasting of resources, according to city planning, often pre-buried power cable protection pipe in the work progress for the first time. However, since the standby power cable protection pipe is buried underground for a long time, the pipeline is exposed in the natural environment, and impurities such as water, silt and the like easily block the pipeline, the pre-buried power cable protection pipe is scrapped, so that huge economic loss is brought, and meanwhile, the road is repeatedly excavated in the later period.

The utility model discloses a chinese utility model patent document that has bulletin number CN203596595U discloses a power cable protection tube is shutoff head for mouth of pipe, including end cap and blanking cover, the end cap is fixed in on the blanking cover, and the diameter of end cap minimum department is the same with the internal diameter size of pipeline, and the lateral wall of end cap still installs the locked loop, directly hard in the use fills in the pipeline with the end cap, reaches the shutoff effect.

To the correlation technique among the above-mentioned, the inventor thinks after the end cap stopper with the adaptation advances the protection tube port, pipeline department is located to the blanking cover laminating lid, and its terminal surface of keeping away from the protection tube levels and sets up, and the staff is inconvenient when the installation with dismantle the end cap.

SUMMERY OF THE UTILITY MODEL

In order to conveniently install and dismantle the end cap, the application provides a power cable protection pipe is end cap for mouth of pipe.

The application provides a pair of power cable protection pipe is shutoff head for mouth of pipe, with following technical scheme:

the utility model provides a power cable protection tube is end cap for mouth of pipe, is including pegging graft in the end cap of pipeline, the end cap is inside hollow structure, one side of end cap is equipped with the lid, the end cap internal rotation is connected with the threaded rod, the one end of threaded rod extends the lid and is equipped with the grab handle, the end cap is for having elastic plastics material, the partial threaded connection that the threaded rod is located the end cap has the butt piece, is equipped with the guide between end cap and the butt piece, is equipped with the lateral wall that is used for driving the end cap between butt piece and the end cap and supports tightly in the tight structure of supporting of pipeline inner wall, be equipped with between end cap and the pipeline and.

Through adopting above-mentioned technical scheme, through rotating the grab handle, the butt piece can move on the threaded rod, can make the lateral wall of end cap support tightly in the inner wall of pipeline to make the conflict that the end cap can be inseparable in the pipeline, reach sealed effect, and be equipped with the locating part between end cap and the pipeline, the end cap is difficult to when making rotating the grab handle and then rotates, when needing to dismantle, rotate the grab handle, remove between the inner wall of end cap and pipeline support tightly the effect can, it is convenient to dismantle.

Preferably, the butt structure is including locating the arch on the end cap inner wall, protruding circumference along the end cap evenly is provided with a plurality ofly, the lateral wall that the butt piece is round platform column structure and butt piece can be contradicted in the arch.

Through adopting above-mentioned technical scheme, butt piece threaded connection is on the threaded rod, under the effect of guide, rotates the threaded rod and can drive the motion of butt piece to the butt piece is round platform column structure, and the lateral wall of butt piece is contradicted in the protruding lateral wall that can be with the drive end cap and is supported tightly in the inner wall of pipeline, convenient to use.

Preferably, the guide piece is including wearing to establish the guide bar that butt piece and both ends are fixed in the end cap inner wall, the length direction of guide bar is on a parallel with the length direction of screw rod.

Through adopting above-mentioned technical scheme, the guide bar is worn to establish the butt piece and can be realized that the butt piece moves simple structure along the length direction of threaded rod.

Preferably, one end of the threaded rod, which is far away from the grab handle, is provided with two mutually parallel annular protrusions, and one end of the threaded rod is rotatably connected to the plug through the two annular protrusions.

Through adopting above-mentioned technical scheme, the threaded rod rotates through two ring convexes to be connected on a bottom surface of end cap, easy to assemble.

Preferably, the end wall that the end cap is close to the grab handle is equipped with the spacing ring, spacing ring and the coaxial setting of end cap, leave the chamber that holds that supplies the pipeline to peg graft between the lateral wall of spacing ring and end cap, the locating part is including locating the spacing on the pipeline outer wall, be equipped with the spacing groove that is used for supplying spacing joint on the inner wall of spacing ring.

Through adopting above-mentioned technical scheme, under the effect of spacing strip and spacing groove, the end cap can not take place relative rotation with the pipeline, improves the stability of end cap.

Preferably, a clamping piece is arranged between the limiting ring and the pipeline and comprises a first arc plate and a second arc plate, first protruding blocks are arranged at two ends of the first arc plate, second protruding blocks are arranged at two ends of the second arc plate, and the clamping piece further comprises a clamping bolt which penetrates through the first protruding blocks and is in threaded connection with the second protruding blocks.

Through adopting above-mentioned technical scheme, first arc board and second arc board can press from both sides the spacing ring tight on the outer wall of pipeline, improve the stability of end cap for the end cap is difficult to break away from out from the pipeline.

Preferably, a handle is arranged on the clamping bolt.

Through adopting above-mentioned technical scheme, make things convenient for more to rotate clamping bolt through the handle.

Preferably, the outer wall of the limiting ring is provided with a clamping groove for clamping the first arc plate and the second arc plate.

Through adopting above-mentioned technical scheme, first arc board and second arc board are contradicted in the joint inslot for first arc board and second arc board are more stable, are difficult to take place to slide on the outer wall of spacing ring.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plug can be driven to abut against the inner wall of the pipeline by rotating the grab handle, the tight abutting effect on the pipeline can be achieved by rotating the grab handle when the plug needs to be disassembled, and the plug is convenient to install and disassemble;

2. the threaded rod is rotated to drive the abutting block to move, and when the abutting block abuts against the protrusion, the outer side wall of the plug can be driven to abut against the inner wall of the pipeline;

3. can press from both sides the spacing ring in the outer wall of pipeline through first arc board and second arc board, further improve the stability of end cap.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic diagram of an explosive structure according to an embodiment of the present application.

Description of reference numerals: 1. a pipeline; 2. a plug; 3. a cover body; 4. a threaded rod; 5. a handle; 6. a butting block; 7. a guide member; 8. an abutting structure; 81. a protrusion; 9. a limiting member; 91. a limiting strip; 92. a limiting groove; 10. the ring is convex; 11. a limiting ring; 12. a clamping member; 121. a first arc plate; 122. a second arc plate; 123. clamping the bolt; 13. a first bump; 14. a second bump; 15. a handle; 16. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses power cable protection pipe mouth of pipe is with end cap, refer to fig. 1 and fig. 2, including end cap 2 of pegging graft in the pipeline 1 of cable duct, end cap 2 is cylindric structure and for having elastic engineering plastics material to the external diameter of end cap 2 and the internal diameter of pipeline 1 are equal, make the grafting that end cap 2 can relax in pipeline 1.

Referring to fig. 1 and 2, the plug 2 is a hollow structure, a cover 3 is installed at one end of the plug 2, a threaded rod 4 is rotatably connected to the inner bottom surface of the plug 2, one end of the threaded rod 4 penetrates through the cover 3, and a grip 5 is fixed to a portion penetrating through the cover 3. Threaded rod 4 has butt piece 6 in the partial threaded connection of end cap 2 inner chamber to be equipped with guide 7 between end cap 2 and the butt piece 6, make threaded rod 4 pivoted in-process, butt piece 6 can be along the length direction motion of threaded rod 4. Be equipped with between the inner wall of butt joint piece 6 and end cap 2 and be used for driving end cap 2's lateral wall to support the butt structure 8 in the inner wall of pipeline 1 tightly for rotate threaded rod 4 can be with end cap 2 support tightly be fixed in pipeline 1.

Referring to fig. 1 and 2, the abutting structure 8 includes a plurality of protrusions 81 fixed to the inner wall of the plug 2, and the plurality of protrusions 81 are uniformly arranged along the circumferential direction of the plug 2. The abutting block 6 is of a round table-shaped structure, the outer diameter of the small end of the abutting block is smaller than the inner diameter of the plug 2, so that when the abutting block 6 moves on the threaded rod 4, the outer side wall of the abutting block 6 can abut against the protrusion 81, and the outer side wall of the driving plug 2 is outwards propped open and abutted against the inner wall of the pipeline 1. The guide 7 comprises a guide rod penetrating through the abutting block 6, one end of the guide rod is fixed on the bottom surface of the plug 2, and the other end of the guide rod is fixed on the cover body 3. The length direction of the guide bar is parallel to the length direction of the threaded rod 4. So that the abutment block 6 can move in the length direction of the guide bar.

Referring to fig. 1 and 2, one end of the threaded rod 4, which is far away from the grip 5, is provided with two parallel annular protrusions 10, and the distance between the two annular protrusions 10 is equal to the thickness of the bottom surface of the plug 2, so that one end of the threaded rod 4 can be rotatably connected to the plug 2 through the two annular protrusions 10. For convenience of installation, the threaded rod 4 penetrates through the cover body 3 and then is provided with one annular protrusion 10, and one end of the threaded rod 4 penetrates through the bottom surface of the plug 2 and then is fixed with the other annular protrusion 10. The cover 3 may be attached to the plug 2 by means of screws, welding, or the like.

Referring to fig. 1 and 2, a limiting part 9 is arranged between the plug 2 and the pipeline 1, so that when the grab handle 5 is rotated, the pipeline 1 and the plug 2 are not easy to rotate relatively, and the use is more convenient. The outer side wall of one end, close to the grab handle 5, of the plug 2 is coaxially provided with a limiting ring 11, and the limiting ring 11 and the plug 2 are integrally arranged. A containing cavity for the insertion of the pipeline 1 is reserved between the limiting ring 11 and the outer wall of the plug 2, and the pipeline 1 is inserted in the containing cavity. The limiting part 9 comprises a limiting strip 91 fixed on the outer wall of the pipeline 1, and a limiting groove 92 for clamping the limiting strip 91 is formed in the inner wall of the limiting ring 11, so that the plug 2 and the pipeline 1 cannot rotate relatively.

Referring to fig. 1 and 2, a clamping member 12 is provided between the retainer ring 11 and the pipe 1 to clamp the retainer ring 11 to the pipe 1. The clamping member 12 comprises a first arc plate 121 and a second arc plate 122, wherein the first arc plate 121 and the second arc plate 122 are both arc-shaped structures, and the radius of the first arc plate 121 and the radius of the second arc plate 122 are the same as the radius of the limiting ring 11. The first arc plate 121 has first protrusions 13 fixed to both ends thereof, and the second arc plate 122 has second protrusions 14 fixed to both ends thereof. The clamping member 12 further comprises a clamping bolt 123 threaded through the first projection 13 and threadedly coupled to the second projection 14 to clamp the stop collar 11 to the pipe 1. Furthermore, a handle 15 is arranged on the clamping bolt 123, so that the clamping bolt 123 can be conveniently rotated. Be equipped with joint groove 16 on the outer wall of spacing ring 11, first arc board 121 and second arc board 122 can joint in joint groove 16 for axial slip can not take place on the outer wall of spacing ring 11 for first arc board 121 and second arc board 122.

The implementation principle of the plugging head for the pipe orifice of the power cable protection pipe in the embodiment of the application is as follows: during installation, the plug 2 is inserted into the pipeline 1, the pipeline 1 can be inserted into the accommodating cavity, the limiting strip 91 is clamped in the limiting groove 92, the threaded rod 4 is rotated through the grab handle 5, the abutting block 6 moves and abuts against the protrusion 81, and the outer side wall of the plug 2 abuts against the inner wall of the pipeline 1; the limiting ring 11 is clamped on the outer wall of the limiting ring 11 through the first arc plate 121 and the second arc plate 122, so that the stability of the plug 2 in the pipeline 1 is further improved. When the plug 2 is disassembled, the clamping piece 12 is taken down, and then the threaded rod 4 is rotated, so that the plug 2 can be pulled out.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a power cable protection tube is end cap for mouth of pipe, is including pegging graft in end cap (2) of pipeline (1), its characterized in that: end cap (2) are inside hollow structure, one side of end cap (2) is equipped with lid (3), end cap (2) internal rotation is connected with threaded rod (4), the one end of threaded rod (4) is extended lid (3) and is equipped with grab handle (5), end cap (2) are for having elastic plastics material, threaded rod (4) are located partial threaded connection in end cap (2) and are had butt piece (6), are equipped with guide (7) between end cap (2) and butt piece (6), are equipped with between butt piece (6) and end cap (2) and are used for driving outer wall of end cap (2) to support butt structure (8) tight in pipeline (1) inner wall, be equipped with between end cap (2) and pipeline (1) and be used for restricting end cap (2) pivoted locating part (9).

2. The plugging head for the pipe orifice of the power cable protection pipe according to claim 1, wherein: the butt structure (8) is including locating arch (81) on end cap (2) inner wall, protruding (81) evenly are provided with a plurality ofly along the circumference of end cap (2), butt piece (6) are the lateral wall of round platform column structure and butt piece (6) and can contradict in arch (81).

3. The plugging head for the pipe orifice of the power cable protection pipe according to claim 2, wherein: the guide piece (7) comprises a guide rod which penetrates through the abutting block (6) and is fixed on the inner wall of the plug (2) at two ends, and the length direction of the guide rod is parallel to the length direction of the threaded rod (4).

4. The plugging head for the pipe orifice of the power cable protection pipe according to claim 3, wherein: one end of the threaded rod (4) far away from the grab handle (5) is provided with two mutually parallel annular protrusions (10), and one end of the threaded rod (4) is rotatably connected onto the plug (2) through the two annular protrusions (10).

5. The plugging head for the pipe orifice of the power cable protection pipe according to claim 2, wherein: the utility model discloses a pipe fitting, including stopper (2), grab handle (5), spacing ring (11), stopper (2) and stopper (2), the one end outer wall that stopper (2) are close to grab handle (5) is equipped with spacing ring (11), spacing ring (11) and stopper (2) coaxial setting, leave the chamber that holds that supplies pipeline (1) to peg graft between the lateral wall of spacing ring (11) and stopper (2), spacing (91) on locating pipeline (1) outer wall are including locating, be equipped with spacing groove (92) that are used for supplying spacing (91) joint on the inner wall of spacing ring (11).

6. The plugging head for the pipe orifice of the power cable protection pipe according to claim 5, wherein: be equipped with clamping piece (12) between spacing ring (11) and pipeline (1), clamping piece (12) include first arc board (121) and second arc board (122), the both ends of first arc board (121) are equipped with first lug (13), the both ends of second arc board (122) are equipped with second lug (14), clamping piece (12) still including wear to establish clamping bolt (123) of first lug (13) threaded connection in second lug (14).

7. The plugging head for the pipe orifice of the power cable protection pipe according to claim 6, wherein: and a handle (15) is arranged on the clamping bolt (123).

8. The plugging head for the pipe orifice of the power cable protection pipe according to claim 7, wherein: the outer wall of the limiting ring (11) is provided with a clamping groove (16) for clamping the first arc plate (121) and the second arc plate (122).