CN218040636U - Cable protection pipe with good sealing performance - Google Patents
Cable protection pipe with good sealing performance Download PDFInfo
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- CN218040636U CN218040636U CN202221861567.4U CN202221861567U CN218040636U CN 218040636 U CN218040636 U CN 218040636U CN 202221861567 U CN202221861567 U CN 202221861567U CN 218040636 U CN218040636 U CN 218040636U
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- protection tube
- wall
- tube main
- female head
- belt
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Abstract
The utility model discloses a cable protection pipe that sealing performance is good relates to the relevant technical field of cable protection pipe, including the protection tube main part, the both ends of protection tube main part are integrative public head and the female head that can supply the protection tube main part to peg graft respectively, the inside of female head is provided with the seal assembly, the seal assembly includes the extrusion area, the inflation area, the inner wall of open end is kept away from at female head to extrusion area fixed connection, inflation area fixed connection is close to the inner wall of open end at female head, the lateral wall of protection tube main part is close to female head department and is provided with airflow channel, airflow channel's one end and the closed cavity between extrusion area and the female head inner wall link up, airflow channel keeps away from the one side that the one end in extrusion area is close to female head inner wall with the inflation area just right. The utility model discloses, cooperation through above each device is used, can effectively promote the sealing performance of cable protection pipe concatenation department, can effectively completely cut off water implementation, guarantees power transmission's stability.
Description
Technical Field
The utility model relates to a cable protection pipe technical field that is relevant, in particular to cable protection pipe that sealing performance is good.
Background
The cable protection pipe can be used for inserting the cable into the cable protection pipe, effectively isolating the cable from the external environment and providing a relatively stable working environment for the cable.
The existing cable protection pipe is mainly spliced simply, a certain gap can exist at the splicing position, the sealing performance is poor, particularly, the cable laid underground is easy to be corroded by water for a long time due to the fact that the soil contains water, particularly, the splicing position of the cable is easily oxidized, and stable transmission of electric power is influenced.
Therefore, the existing cable protection pipe has poor sealing performance at the splicing part, cannot effectively isolate water, is easy to cause oxidation of the cable connecting part and influence on power transmission, and therefore, the cable protection pipe with good sealing performance is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a cable protection pipe that sealing performance is good, can effectively solve current cable protection pipe and have concatenation department sealing performance not good among the background art, can't apply effectively completely cut off to water, easily cause the oxidation of cable junction, influence power transmission's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a cable protection pipe that sealing performance is good, includes the protection tube main part, and the both ends of protection tube main part are integrative respectively and are provided with public head and the female head that can supply the protection tube main part to peg graft and assemble, and the inside of female head is provided with seal assembly, and seal assembly includes extrusion area, inflation area, and extrusion area fixed connection keeps away from the inner wall of open end at female head, and inflation area fixed connection is close to the inner wall of open end at female head.
The lateral wall of protection tube main part is close to female first department and is provided with airflow channel, and airflow channel's one end and the closed cavity between extrusion area and the female first inner wall link up, and the one end that airflow channel kept away from the extrusion area is just right with the expansion area one side that is close to female first inner wall.
The air volume between inflation area and the female head inner wall changes through the deformation in extrusion area, and because of the air volume changes the outer wall in the inflation area that takes place deformation and the outer wall laminating of public head, through public head nevertheless not with the laminating of extrusion area side to and the laminating of inflation area outer wall and public head outer wall, can effectively reduce the gap between public head and the female head, promote the sealing performance of adjacent protection tube main part concatenation department.
Preferably, the extrusion area is the ring structure, and the skew protection tube main part's of extrusion area lateral wall place direction center pin place direction, guarantees that the extrusion area can closely laminate with public head tip.
Preferably, the end of the male head far from the protection tube main body is bent, and the outer wall of the male head far from one end of the protection tube main body is inclined, so that the damage of the extrusion belt caused when the male head extrudes the extrusion belt is prevented as much as possible.
Preferably, the adjacent protection tube main bodies are fixed through a connecting piece, the connecting piece comprises a bolt, connecting discs are integrally arranged on the outer walls of the protection tube main bodies close to the end portions, and the connecting discs on the outer walls of the adjacent protection tube main bodies are fixed through the bolt.
Preferably, one end of the airflow channel, which is close to the extrusion belt, is of a horn-shaped structure, one end of the airflow channel, which is close to the expansion belt, is of a circular truncated cone-shaped structure, and the end, with the smaller opening diameter, of the airflow channel, which is at the end part of the circular truncated cone-shaped structure, is opposite to the expansion belt, so that the gas circulation rate is changed, and the gap between the male head and the female head is reduced as much as possible.
Preferably, the side wall of the protection pipe body is provided with a plurality of air flow channels, so that the expansion of the expansion belt is more uniform.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses in, through the extrusion of public first tip to the extrusion area, make the air between extrusion area and the female head shift to the expansion area, arouse the expansion area to take place the inflation deformation, and make the expansion area after the inflation closely laminate with public first outer wall, can effectively eliminate the gap of concatenation department between the adjacent protection tube main part, and then can promote the sealing performance of protection tube main part concatenation department, effectively realize the isolated of cable and external environment, avoid the cable to receive moisture to corrode as far as possible, promote power transmission's stability.
Drawings
FIG. 1 is a diagram of the structure of the female head of the present invention;
fig. 2 is a schematic diagram of the splicing of the protection tube main body of the present invention;
fig. 3 is an enlarged view of a structure a in fig. 1 according to the present invention.
In the figure: 1. a male head; 2. a female head; 21. extruding the belt; 22. an expansion band; 3. an air flow channel; 4. and (7) connecting the disc.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention relates to a cable protection tube with good sealing performance, which includes a protection tube main body, wherein the protection tube main body is mostly made of metal or common PVC plastic, and has a certain rigidity.
The two ends of the protection tube main body are respectively and integrally provided with a male head 1 and a female head 2 which can be spliced by the protection tube main body.
The male and female ends 1 and 2 can be formed at the end of the protective tube main body by making appropriate changes to the mold during the production manufacturing process.
Wherein, female inside of 2 is provided with the seal assembly, and the seal assembly includes extrusion area 21, inflation area 22, and extrusion area 21 fixed connection is at female 2 inner wall of keeping away from the open end, and inflation area 22 fixed connection is at female 2 inner wall that is close to the open end.
When the tip of public head 1 and the side contact of extrusion area 21, through the elastic deformation of extrusion area 21, can effectively reduce the gap between public head 1 tip and the extrusion area 21, can effectively promote the closure performance between public head 1 tip and the female 2.
Preferably, an air flow channel 3 is arranged on the side wall of the protection tube main body close to the female head 2, one end of the air flow channel 3 is communicated with a closed cavity between the extrusion belt 21 and the inner wall of the female head 2, and one end of the air flow channel 3 far away from the extrusion belt 21 is opposite to one side of the expansion belt 22 close to the inner wall of the female head 2.
The extruded extrusion belt 21 can extrude the air between the side surface of the extrusion belt and the inner wall of the female head 2, and the compressed air can enter the space between the expansion belt 22 and the inner wall of the female head 2 through the air flow channel 3, so that the expansion belt 22 is expanded and deformed, and along with the extension of the male head 1 to the inner part of the female head 2, the outer wall of the expansion belt 22 is tightly attached to the outer wall of the male head 1.
Both the compression belt 21 and the expansion belt 22 may be made of rubber as in the prior art.
The air quantity between the expansion band 22 and the inner wall of the female head 2 is changed by the deformation of the extrusion band 21, and the outer wall of the expansion band 22 deformed by the change of the air quantity is attached to the outer wall of the male head 1.
In order to improve the air tightness between the extrusion belt 21 and the inner wall of the female head 2, the extrusion belt 21 is of a circular structure, and the side surface of the extrusion belt 21 is fixedly connected with the inner wall of the female head 2.
The side wall of the squeeze band 21 is oriented in a direction away from the central axis of the protective tube body, leaving sufficient space to provide sufficient air for expansion of the expansion band 22 when the squeeze band 21 is squeezed.
Please refer to fig. 1-2, in order to avoid the damage to the extrusion band 21 when the male head 1 contacts the side wall of the extrusion band 21 as much as possible, the end of the male head 1 away from the protection tube main body is bent, and the outer wall of the male head 1 away from one end of the protection tube main body is inclined.
The adjacent protection tube main bodies are fixed through the connecting pieces, the connecting pieces comprise bolts, the outer walls of the protection tube main bodies are close to the end portions and integrally provided with the connecting discs 4, and the connecting discs 4 of the outer walls of the adjacent protection tube main bodies are fixed through the bolts.
Preferably, the end of the air flow channel 3 close to the extrusion belt 21 is of a trumpet-shaped structure, so that air between the extruded extrusion belt 21 and the inner wall of the female head 2 can rapidly pass through the air flow channel 3.
The one end that airflow channel 3 is close to inflation area 22 is round platform type structure, and the less one end of 3 bores of airflow channel of round platform type structure tip is just right with inflation area 22, when public first 1 separates with female first 2, can reduce the speed that air change between inflation area 22 and the female first 2 inner walls, when public first 1 is taken out from female first 2 insides, make the outer wall of inflation area 22 and the laminating of public first 1 outer wall as far as possible, thereby when adjacent protection tube main part separates, avoid outside moisture to get into the inside of protection tube main part as far as possible.
The airflow channel 3 that protection tube main part lateral wall set up is provided with a plurality ofly, provides a plurality of passageways for the circulation of air, promotes gas flow rate to can make the inflation of expansion area 22 more even, further promote the compactness of expansion area 22 and the laminating of public first 1 outer wall.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a cable protection pipe that sealing performance is good, includes the protection tube main part, the both ends of protection tube main part are respectively integrative to be provided with public head (1) and female head (2) that can supply the protection tube main part to peg graft and assemble, its characterized in that: a sealing assembly is arranged in the female head (2), the sealing assembly comprises an extrusion belt (21) and an expansion belt (22), the extrusion belt (21) is fixedly connected to the inner wall, far away from the opening end, of the female head (2), and the expansion belt (22) is fixedly connected to the inner wall, close to the opening end, of the female head (2);
an airflow channel (3) is arranged on the side wall of the protection tube main body close to the female head (2), one end of the airflow channel (3) is communicated with a closed cavity between the extrusion belt (21) and the inner wall of the female head (2), and one end, far away from the extrusion belt (21), of the airflow channel (3) is opposite to one side, close to the inner wall of the female head (2), of the expansion belt (22);
the air volume between the expansion belt (22) and the inner wall of the female head (2) is changed through the deformation of the extrusion belt (21), and the outer wall of the expansion belt (22) which deforms due to the change of the air volume is attached to the outer wall of the male head (1).
2. The cable protection tube with good sealing performance according to claim 1, wherein: the extrusion belt (21) is of a circular ring structure, and the direction of the side wall of the extrusion belt (21) deviates from the direction of the central shaft of the protection tube main body.
3. The cable protection tube with good sealing performance according to claim 1, wherein: public head (1) is kept away from the crooked setting of tip of protection tube main part, and public head (1) keeps away from the outer wall slope setting of protection tube main part one end.
4. The cable protection tube with good sealing performance according to claim 1, wherein: adjacent the protection tube main body is fixed through a connecting piece, the connecting piece comprises a bolt, a connecting disc (4) is integrally arranged on the outer wall of the protection tube main body close to the end part, and the connecting disc (4) on the outer wall of the adjacent protection tube main body is fixed through the bolt.
5. The cable protection tube with good sealing performance according to claim 1, wherein: one end, close to the extrusion belt (21), of the airflow channel (3) is of a horn-shaped structure, one end, close to the expansion belt (22), of the airflow channel (3) is of a circular truncated cone-shaped structure, and the end, with the smaller caliber, of the airflow channel (3) at the end of the circular truncated cone-shaped structure is just opposite to the expansion belt (22).
6. The cable protection tube with good sealing performance according to claim 1, wherein: the air flow channel (3) that protection tube main part lateral wall set up is provided with a plurality ofly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861567.4U CN218040636U (en) | 2022-07-19 | 2022-07-19 | Cable protection pipe with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861567.4U CN218040636U (en) | 2022-07-19 | 2022-07-19 | Cable protection pipe with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218040636U true CN218040636U (en) | 2022-12-13 |
Family
ID=84384930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221861567.4U Active CN218040636U (en) | 2022-07-19 | 2022-07-19 | Cable protection pipe with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218040636U (en) |
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2022
- 2022-07-19 CN CN202221861567.4U patent/CN218040636U/en active Active
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