CN214958505U

CN214958505U - MPP electric power pipe of high temperature is prevented to junction

Info

Publication number: CN214958505U
Application number: CN202121228217.XU
Authority: CN
Inventors: 陈兆刚; 叶鲲; 帅娟; 王晓; 吴强; 吴海波
Original assignee: Jiangsu Mixing Plastics Co ltd
Current assignee: Jiangsu Mixing Plastics Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-30
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to an electric power pipe technical field specifically is a MPP electric power pipe of high temperature is prevented to junction, including first electric power pipe and second electric power pipe, be equipped with the butt joint ring on the tip outer wall of first electric power pipe and second electric power pipe, seted up the spread groove on the lateral wall of butt joint ring, be equipped with the sealed coupling mechanism of high temperature resistance in the spread groove, be equipped with a plurality of groups fixed slots on the butt joint ring, the butt joint ring is connected with the fixed establishment of being convenient for install. When the first power tube and the second power tube are connected, two ends of the connecting tube are embedded into the connecting grooves at two ends, and the end part of the connecting tube is provided with a nitrile rubber sealing washer, so that a better connecting and sealing effect is realized, and the high-temperature and low-temperature resistant effects are good; then insert a plurality of fixed column in the corresponding fixed slot for in the card strip embedding draw-in groove, then twist the bolt, make the taut piece of second and the taut piece of first draw-in, it is convenient to connect, and impact resistance is effectual.

Description

MPP electric power pipe of high temperature is prevented to junction

Technical Field

The utility model relates to an electric power pipe technical field specifically is a MPP electric power pipe of high temperature is prevented to junction.

Background

The MPP power pipe is called MPP power cable protection pipe and MPP cable protection pipe, and is divided into excavation type and non-excavation type, and MPP non-excavation type power pipe is called MPP push pipe or dragging pipe, but wide application in pipeline engineering such as municipal administration, telecommunications, electric power, coal gas, running water, heating power.

The existing MPP power pipe connection mostly adopts a hot-melting mode for realizing a better sealing effect, so that the connection operation is troublesome, the technical requirement is high, and the hot-melting connection is poor in impact resistance and poor in heat-resisting effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a MPP electric power pipe of high temperature is prevented to junction to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature MPP power pipe is prevented to junction, is including first power pipe and second power pipe, be equipped with the butt joint ring on the tip outer wall of first power pipe and second power pipe, the spread groove has been seted up on the lateral wall of butt joint ring, be equipped with the sealing connection mechanism of preventing high temperature in the spread groove, be equipped with a plurality of groups fixed slot on the butt joint ring, the butt joint ring is connected with the fixed establishment of being convenient for the installation.

Preferably, the sealing connection mechanism comprises a connection pipe, the two ends of the connection pipe are provided with nitrile rubber sealing gaskets, and the two ends of the connection pipe are embedded into the connection grooves on the two sides.

Preferably, the fixing grooves are sunk in the outer wall of the butt joint ring, the number of the groups of the fixing grooves on each butt joint ring is four, two fixing grooves are arranged in each group, and a clamping groove is formed in the inner side wall of each fixing groove.

Preferably, four groups are arranged on the fixing mechanism, the fixing mechanism comprises a first tensioning block and a second tensioning block, and the first tensioning block and the second tensioning block are of arc-shaped plate structures.

Preferably, two rectangular channels are respectively formed in the first tensioning block and the second tensioning block, fixing columns are movably arranged in the rectangular channels, clamping strips are arranged on the side walls of the end portions of the fixing columns, the fixing columns correspond to the fixing grooves in a one-to-one mode, the fixing columns are inserted into the fixing grooves, and the clamping strips are embedded into the clamping grooves.

Preferably, a movable hole is formed in the second tensioning block, a screw hole is formed in the side wall of the first tensioning block, a bolt is inserted into the movable hole, and the end of the bolt is screwed in the screw hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a MPP electric power pipe that junction high temperature was prevented, when connecting first electric power pipe and second electric power pipe, butt joint the tip of two pipes, imbed the both ends of connecting pipe in the spread groove at both ends simultaneously, the tip of connecting pipe is provided with butadiene-acrylonitrile rubber seal ring, realizes better connection sealing effect, and high temperature, low temperature resistant effectual; then insert a plurality of fixed column in the corresponding fixed slot for in the card strip embedding draw-in groove, then twist the bolt, make the taut piece of second and the taut piece of first draw-in, it is convenient to connect, and impact resistance is effectual.

Drawings

FIG. 1 is a schematic view of the structure of the device of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a side view of the device of the present invention.

In the figure: the connecting device comprises a first power tube 1, a second power tube 101, a butt joint ring 2, a connecting groove 3, a connecting pipe 4, a fixing groove 5, a clamping groove 501, a first tensioning block 6, a second tensioning block 7, a fixing column 8, a clamping strip 801, a screw hole 9, a movable hole 10 and a bolt 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a high-temperature-resistant MPP power pipe at a joint comprises a first power pipe 1 and a second power pipe 101, wherein a butt joint ring 2 is arranged on the outer wall of the end part of the first power pipe 1 and the outer wall of the end part of the second power pipe 101, the butt joint ring 2 and the power pipes are made of the same material and are fixed at the end part of a pipeline in a welding mode, a connecting groove 3 is formed in the side wall of the butt joint ring 2, a high-temperature-resistant sealing connecting mechanism is arranged in the connecting groove 3, the sealing connecting mechanism comprises a connecting pipe 4, two ends of the connecting pipe 4 are provided with nitrile rubber sealing gaskets, two ends of the connecting pipe 4 are embedded into the connecting grooves 3 at two sides, and nitrile rubber has wider service temperature compared with other rubber and has better high-temperature-resistant and cold-resistant effects; when connecting first electric power pipe 1 and second electric power pipe 101, with the tip butt joint of two pipes, with the both ends embedding of connecting pipe 4 simultaneously in the spread groove 3 at both ends, the tip of connecting pipe 4 is provided with butadiene acrylonitrile rubber seal ring, realizes better joint seal effect, and prevents high temperature, low temperature resistant effectual.

Be equipped with a plurality of groups fixed slot 5 on the butt joint ring 2, fixed slot 5 is sunken in on the outer wall of butt joint ring 2, and every group number of fixed slot 5 on the butt joint ring 2 is four groups, is equipped with two fixed slot 5 in every group, has seted up draw-in groove 501 on the inside wall of fixed slot 5, and butt joint ring 2 is connected with the fixed establishment of being convenient for the installation. The fixing mechanism is provided with four groups, the fixing mechanism comprises a first tensioning block 6 and a second tensioning block 7, the first tensioning block 6 and the second tensioning block 7 are of arc-shaped plate structures, two rectangular grooves are respectively formed in the first tensioning block 6 and the second tensioning block 7, a fixing column 8 is movably arranged in each rectangular groove, a stop block is arranged at the top end of each fixing column 8, clamping strips 801 are arranged on the side wall of the end portion of each fixing column 8, the fixing columns 8 correspond to the fixing grooves 5 one by one, the fixing columns 8 are inserted into the fixing grooves 5, the clamping strips 801 are embedded into clamping grooves 501, the fixing columns 8 are prevented from falling off from the fixing grooves 5, a movable hole 10 is formed in the second tensioning block 7, a screw hole 9 is formed in the side wall of the first tensioning block 6, a bolt 11 is inserted into the movable hole 10, and the end portion of the bolt 11 is in threaded connection with the screw hole 9; then insert a plurality of fixed column 8 in corresponding fixed slot 5 for in card strip 801 embedding draw-in groove 501, then twist bolt 11, make second tensioning block 7 and first tensioning block 6 draw close each other, fixed column 8 will dock ring 2 to middle extrusion, connecting pipe 4 is fixed in spread groove 3, can be with first electric power pipe 1 and second electric power pipe 101 connection fixed, connect conveniently, impact resistance is effectual.

The working principle is as follows: the utility model provides a MPP electric power pipe that junction high temperature was prevented, when connecting first electric power pipe 1 and second electric power pipe 101, butt joint the tip of two pipes, imbed the both ends of connecting pipe 4 in the spread groove 3 at both ends simultaneously, the tip of connecting pipe 4 is provided with butadiene-acrylonitrile rubber seal ring, realizes better connection sealing effect, and high temperature prevention, low temperature resistant effectual; then insert a plurality of fixed column 8 in corresponding fixed slot 5 for in card strip 801 embedding draw-in groove 501, then twist bolt 11, make second tensioning block 7 and first tensioning block 6 draw close each other, can be fixed with first electric power pipe 1 and second electric power pipe 101 connection, connect conveniently, impact resistance is effectual.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a MPP power pipe of high temperature is prevented to junction, including first power pipe (1) and second power pipe (101), its characterized in that: be equipped with on the tip outer wall of first power pipe (1) and second power pipe (101) and connect ring (2), spread groove (3) have been seted up on the lateral wall of connect ring (2), be equipped with the sealing connection mechanism who prevents high temperature in spread groove (3), be equipped with a plurality of groups fixed slot (5) on connect ring (2), connect ring (2) and be connected with the fixed establishment of the installation of being convenient for.

2. The MPP power tube with high temperature resistance at the joint as set forth in claim 1, wherein: the sealing connection mechanism comprises a connecting pipe (4), wherein nitrile rubber sealing gaskets are arranged at two ends of the connecting pipe (4), and two ends of the connecting pipe (4) are embedded into the connecting grooves (3) at two sides.

3. The MPP power tube with high temperature resistance at the joint as set forth in claim 1, wherein: the fixing grooves (5) are sunken in the outer wall of the butt joint rings (2), the number of the groups of the fixing grooves (5) on each butt joint ring (2) is four, two fixing grooves (5) are arranged in each group, and a clamping groove (501) is formed in the inner side wall of each fixing groove (5).

4. The MPP power tube with high temperature resistance at the joint as set forth in claim 1, wherein: the fixing mechanism is provided with four groups, the fixing mechanism comprises a first tensioning block (6) and a second tensioning block (7), and the first tensioning block (6) and the second tensioning block (7) are of arc-shaped plate structures.

5. The MPP power tube with high temperature resistance at the joint as set forth in claim 4, wherein: two rectangular channels are respectively formed in the first tensioning block (6) and the second tensioning block (7), fixing columns (8) are movably arranged in the rectangular channels, clamping strips (801) are arranged on the side walls of the end portions of the fixing columns (8), the fixing columns (8) correspond to the fixing grooves (5) one to one, the fixing columns (8) are inserted into the fixing grooves (5), and the clamping strips (801) are embedded into the clamping grooves (501).

6. The MPP power tube with high temperature resistance at the joint as set forth in claim 4, wherein: a movable hole (10) is formed in the second tensioning block (7), a screw hole (9) is formed in the side wall of the first tensioning block (6), a bolt (11) is inserted in the movable hole (10), and the end portion of the bolt (11) is screwed in the screw hole (9).