CN204677942U - A kind of rapid pipe joint of band cooperation section in socket joint enlarging - Google Patents

Abstract

In socket joint enlarging, band coordinates a rapid pipe joint for section, comprises bell and spigot joint composite steel tube, socket joint enlarging composite steel tube, snap, O-ring seal, pressure valve, bell and spigot joint composite steel tube one end is provided with bell and spigot joint, and bell and spigot joint cylindrical wall is provided with three sections of different size bell and spigot joints and coordinates section A, B, C, coordinates on section A in bell and spigot joint and is provided with bell and spigot joint snap groove, at B, C is provided with two seals circle, and socket joint enlarging inner round wall is provided with and the bell and spigot joint section of cooperation A, B, the socket joint enlarging that C matches coordinates section A, B, C, feature is, composite steel tube is placed on lay aligned in position, be very easy under External Force Acting just to insert in the socket joint enlarging of socket joint enlarging composite steel tube by the bell and spigot joint of bell and spigot joint composite steel tube, bell and spigot joint coordinates section and socket joint enlarging to coordinate section mutually to coincide and is connected, and need not polish and repair mouth, anticorrosive coat is not broken, installation and maintenance are convenient, efficiently avoid pipeline junction and easily occur that the quality problems such as evaporating, emitting, dripping or leaking of liquid or gas occur, and extend pipeline working life.

Description

A kind of rapid pipe joint of band cooperation section in socket joint enlarging

Technical field

The utility model relates to the connection of composite steel tube, is a kind ofly to be applicable to that two composite steel tubes to be coupled together in socket joint enlarging band and to coordinate the rapid pipe joint of section.

Technical background

At present, existing pressure duct is in laying, composite steel tube is connected with composite steel tube and all adopts butt welding to connect and socket joint connects, but these the two kinds deficiencies connecting existence are, socket joint coupling faucet and socket inside and outside wall annular space less, surface friction drag is large, socket joint is very difficult, affect the duration, when butt welding connects, the joint of tubing is because being subject to temperature, the impact of geological condition, welding does not reach the requirement of quality, and welding difficulty is large, operator is subject to space when pipe laying, the restriction in geographical position, pipe end is difficult to align, certain difficulty is brought to welding, welding quality can not be guaranteed, weld port needs polishing, namely take a lot of work, time-consuming, effort, the weld bond of tubing also easily produces cracking, the phenomenon of booster occurs, anticorrosive coat can not get ensureing, affect the working life of tubing.

Summary of the invention

In order to overcome the deficiency of above-mentioned existence, the purpose of this utility model is the rapid pipe joint that will provide a kind of band cooperation section in socket joint enlarging, one end of rapid pipe joint is the bell and spigot joint composite steel tube that band bell and spigot joint coordinates section, the other end is the socket joint enlarging composite steel tube that the enlarging of band socket joint coordinates section, the bell and spigot joint of bell and spigot joint composite steel tube is inserted in the socket joint enlarging of socket joint enlarging composite steel tube, bell and spigot joint coordinates section and socket joint enlarging to coordinate section mutually to coincide and is connected, need not polish and repair mouth, anticorrosive coat is not destroyed, the angle of pipeline can regulate arbitrarily, easy for installation, fast, increase work efficiency, namely save time, laborsaving, saving of labor, not easily there is again the generation of the phenomenons such as weld bond cracking, can measuring channel sealability, anticorrosive coat can not be destroyed again, extend the working life of tubing.

The utility model solves the technological scheme that its technical problem adopts, this rapid pipe joint is by bell and spigot joint composite steel tube, socket joint enlarging composite steel tube, snap, O-ring seal, the parts such as pressure measurement valve opening are formed, bell and spigot joint is provided with in one end of bell and spigot joint composite steel tube, the bell and spigot joint that the cylindrical wall of bell and spigot joint is provided with three sections of different sizes coordinates section A, bell and spigot joint coordinates section B, bell and spigot joint coordinates section C, coordinate on section A in bell and spigot joint and be provided with bell and spigot joint snap groove, snap is provided with in bell and spigot joint snap groove, section B is coordinated in bell and spigot joint, bell and spigot joint coordinates section C to be provided with two seals circle groove, O-ring seal is provided with in o-ring groove, socket joint enlarging is provided with in one end of socket joint enlarging composite steel tube, socket joint enlarging inner round wall is provided with and the bell and spigot joint section of cooperation A, bell and spigot joint coordinates section B, the socket joint enlarging that bell and spigot joint coordinates section C to match coordinates section A, socket joint enlarging coordinates section B, socket joint enlarging coordinates section C, coordinate on section A in socket joint enlarging and be provided with the socket joint enlarging snap groove matched with bell and spigot joint snap groove, socket joint enlarging cylindrical is provided with the snap insert port of coincideing with socket joint enlarging snap groove, pressure measurement valve opening is provided with in the side of snap insert port, pressure measurement valve opening is provided with pressure valve bolt, during use, first O-ring seal is arranged in the bell and spigot joint of bell and spigot joint composite steel tube, then the bell and spigot joint composite steel tube installing O-ring seal is inserted in socket joint enlarging composite steel tube, bell and spigot joint coordinates section A, B, C and socket joint enlarging coordinate section A, B, C mutually coincide and connects, load after snap through snap insert port, two sections of composite steel tubes have connected, last after pressure valve hole measurement sealing pressure valve bolt tightening.

The beneficial effects of the utility model are, owing to have employed above-mentioned design proposal, prefabricated composite steel tube, be placed on lay aligned in position, be very easy under External Force Acting just can the bell and spigot joint of bell and spigot joint composite steel tube be inserted in the socket joint enlarging of socket joint enlarging composite steel tube, bell and spigot joint coordinates section and socket joint enlarging to coordinate section mutually to coincide and is connected, put into snap, tighten pressure valve bolt after pressure measurement valve opening detection sealing is qualified after, composite steel tube has connected, need not polish and repair mouth, anticorrosive coat is not destroyed, socket joint easy installation and removal, easily, fast, increase work efficiency, save time, laborsaving, saving of labor, double sealing cushion rubber is adopted to form secondary seal, reach desirable sealing effect, pressure measurement valve opening is set, sealing can also be detected after having connected, effectively avoid the generation that the quality problems such as evaporating, emitting, dripping or leaking of liquid or gas easily appear in pipeline junction, extend the working life of pipeline.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Accompanying drawing 1 is sectional view of the present utility model.

Accompanying drawing 2 is sectional views of the utility model bell and spigot joint.

In figure 1, rapid pipe joint, 2, bell and spigot joint composite steel tube, 3, bell and spigot joint, 4, bell and spigot joint coordinate section A, 5, bell and spigot joint coordinate section B, 6, bell and spigot joint coordinates section C, 7, bell and spigot joint snap groove, 8, snap, 9, o-ring groove, 10, O-ring seal, 11, socket joint enlarging composite steel tube, 12, socket joint enlarging, 13, socket joint enlarging coordinates section A, 14, socket joint enlarging coordinates section B, 15, socket joint enlarging coordinates section C, 16, socket joint enlarging snap groove, and 17, snap insert port, 18, pressure measurement valve opening, 19, pressure valve bolt.

Embodiment

Rapid pipe joint 1 is by bell and spigot joint composite steel tube 2, bell and spigot joint 3, snap 8, O-ring seal 10, socket joint enlarging composite steel tube 11, socket joint enlarging 12 is formed, different size in bell and spigot joint 3, the bell and spigot joint cooperation section A 4 that external diameter is descending, bell and spigot joint coordinates section B 5, bell and spigot joint coordinates section C 6 to be shaping by mould time processing, different size in the socket joint enlarging 12 matched with it, the socket joint enlarging cooperation section A 13 that internal diameter is descending, socket joint enlarging coordinates section B 14, socket joint enlarging coordinates section 15 to be shaping by mould time processing, coordinates section A 4 in bell and spigot joint, bell and spigot joint coordinates section B 5, bell and spigot joint coordinates section C 6 and socket joint enlarging to coordinate section A 13, socket joint enlarging coordinates section B 14, socket joint enlarging coordinates between section 15 will reserve assemblage gap, coordinates on section A 4 once process bell and spigot joint snap groove 7 in bell and spigot joint, section B 5 is coordinated in bell and spigot joint, bell and spigot joint coordinates section C 6 last time to process two seals circle groove 9, the cylindrical wall of socket joint enlarging 12 is drilled with snap insert port 17 and pressure measurement valve opening 18, coordinate on section A 13 inner round wall in socket joint enlarging and once process socket joint enlarging snap groove 16, the center line of snap insert port 17 and bell and spigot joint snap groove 7, the center of socket joint enlarging snap groove 16 aims to overlap, bell and spigot joint composite steel tube 2 bell and spigot joint coordinate section B 5, bell and spigot joint coordinates in the two seals circle groove 9 on section C 6 installs O-ring seal 10, and then the bell and spigot joint 3 of bell and spigot joint composite steel tube 2 inserted in the socket joint enlarging 12 of socket joint enlarging composite steel tube 11, bell and spigot joint coordinates section A 4, bell and spigot joint coordinates section B 5, bell and spigot joint coordinates section C6 and socket joint enlarging to coordinate section A 13, socket joint enlarging coordinates section B 14, socket joint enlarging coordinates section C 15 mutually to coincide and connects, snap 8 is put into bell and spigot joint snap groove 7 and socket joint enlarging snap groove 16 internal locking by snap insert port 16, after pressure measurement valve opening 17 detects and tightens pressure valve bolt 19 after sealing, two sections of bell and spigot joint composite steel tubes 2 have been connected with socket joint enlarging composite steel tube 11.

Claims (3)

1. the rapid pipe joint of a band cooperation section in socket joint enlarging, rapid pipe joint (1) comprises bell and spigot joint composite steel tube (2), socket joint enlarging composite steel tube (11), snap (8), O-ring seal (10), pressure measurement valve opening (18), it is characterized in that being provided with bell and spigot joint (3) in one end of bell and spigot joint composite steel tube (2), the bell and spigot joint that the cylindrical wall of bell and spigot joint (3) is provided with three sections of different sizes coordinates section A (4), bell and spigot joint coordinates section B (5), bell and spigot joint coordinates section C (6).

2. a kind of rapid pipe joint of being with cooperation section in socket joint enlarging as claimed in claim 1, it is characterized in that coordinating on section A (4) in bell and spigot joint being provided with bell and spigot joint snap groove (7), snap (8) is provided with in bell and spigot joint snap groove (7), section B (5) is coordinated in bell and spigot joint, bell and spigot joint coordinates section C (6) to be provided with two seals circle groove (9), O-ring seal (10) is provided with in o-ring groove (9), socket joint enlarging (12) is provided with in one end of socket joint enlarging composite steel tube (15), socket joint enlarging (12) inner round wall is provided with and the bell and spigot joint section of cooperation A (4), bell and spigot joint coordinates section B (5), the socket joint enlarging that bell and spigot joint coordinates section C () to match coordinates section A (13), socket joint enlarging coordinates section B (14), socket joint enlarging coordinates section C (15).

3. a kind of rapid pipe joint of being with cooperation section in socket joint enlarging as claimed in claim 2, it is characterized in that in socket joint enlarging cooperation section A (13), be provided with the socket joint matched with bell and spigot joint snap groove (7) expands snap groove (16), socket joint enlarging (12) cylindrical is provided with the snap insert port (17) of coincideing with socket joint enlarging snap groove (16).