CN209516531U

CN209516531U - A kind of conduit coupling of MPP power pipe

Info

Publication number: CN209516531U
Application number: CN201920315734.7U
Authority: CN
Inventors: 金巍忠
Original assignee: Hangzhou Jintai Plastic Industry Co Ltd
Current assignee: Hangzhou Jintai Plastic Industry Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2019-10-18
Anticipated expiration: 2029-03-13

Abstract

The utility model relates to conduit coupling technical fields, and disclose a kind of conduit coupling of MPP power pipe, including link block, the inside at link block both ends is connected with pipeline, the inside of two pipeline adjacent both ends opens up fluted, the side of inside grooves is fixedly installed with the first spring, one end of first spring is fixedly installed with L shaped plate, one end of L shaped plate is by groove movable set in the inside of pipeline, the other end of L shaped plate extends to the outside of pipeline, the inside at link block both ends offers bayonet, side inside two bayonets is fixedly connected to second spring.The conduit coupling of the MPP power pipe; pass through being equipped between the riser and threaded rod of setting outside threaded rod; it can be by rotating threaded rod; realize that riser moves horizontally; sealing ring is adjacent to by riser movement; it can effectively avoid pipeline sealing ring in moving process from deviating, can prevent outside water from entering inside pipeline, cable is protected not to be damaged.

Description

A kind of conduit coupling of MPP power pipe

Technical field

The utility model relates to conduit coupling technical field, specially a kind of conduit coupling of MPP power pipe.

Background technique

Global MPP power pipe is called MPP power cable protecting pipe and MPP cable protection pipe, is divided into digging type and no-dig technique Type, MPP no-dig technique type power pipe are also referred to as MPP push pipe or dilatory pipe.

Existing MPP power pipe usually requires to connect power pipe using conduit coupling when in use, avoids power pipe It is too short to protect cable, when cable breaks down, can fast quick-detach conduit coupling so that cable is repaired and Replacement, while being easy at conduit coupling there are gap, and extraneous water is easily accessible inside pipeline, damages cable, thus we It is proposed a kind of conduit coupling of MPP power pipe.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of conduit coupling of MPP power pipe, has and is convenient for The advantages of disassembly installation, good airproof performance, solves conduit coupling disassembly complexity, is easy to appear gap at conduit coupling, outside The water on boundary is easily accessible the problem of pipeline internal damage cable.

The utility model provides the following technical solutions: a kind of conduit coupling of MPP power pipe, including link block, described The inside at link block both ends is connected with pipeline, the inside of two pipeline adjacent both ends open up it is fluted, it is described The side of inside grooves is fixedly installed with the first spring, and one end of first spring is fixedly installed with L shaped plate, the L shaped plate One end by groove movable set in the inside of pipeline, the other end of the L shaped plate extends to the outside of pipeline, the connection The inside at block both ends offers bayonet, and the side inside two bayonets is fixedly connected to second spring, and described second One end of spring is fixedly connected with baffle, and the inside fixing sleeve of the baffle is equipped with motion bar, and one end of the motion bar is run through And the outside of link block is extended to, the other end of the motion bar extends to the inside of pipeline, and the L shaped plate is located inside pipeline One end run through and extend to the outside of motion bar one end, the phase-contact surface of the link block and pipeline is movably installed with sealing Circle, the outside of the link block is fixedly installed with the fixed block between two motion bars, the internal activity of the fixed block It is set with threaded rod, the external screw-thread of the threaded rod is set with riser, and one end of the riser extends to the inside of link block, The side that the riser is located inside link block is flexibly connected with the outer surface of sealing ring.

Preferably, the quantity of the L shaped plate is four, and four L shaped plates are using the axle center of link block as symmetrical centre phase It is mutually symmetrical.

Preferably, one end that the motion bar is located inside pipeline offers through-hole, and one end of the L shaped plate passes through through-hole Movable set is in one end of motion bar.

Preferably, the second spring two are one group, and two second springs are using the axle center of baffle as symmetrical centre It is symmetrically distributed in the two sides of motion bar.

Preferably, the outer surface of the link block offers elongated slot, one end of the riser by elongated slot pivot bush unit in The inside of link block.

Be compared with the prior art, the utility model have it is following the utility model has the advantages that

1, the conduit coupling of the MPP power pipe passes through the cooperation outside threaded rod between the riser and threaded rod of setting Setting can realize that riser moves horizontally, be adjacent to sealing ring by riser movement, can effectively avoid by rotating threaded rod Pipeline sealing ring in moving process deviates, and can prevent outside water from entering inside pipeline, cable is protected not to be damaged.

2, the conduit coupling of the MPP power pipe can pass through the second bullet by the second spring being arranged inside link block The pressure extrusion baffle that spring generates can effectively fix pipeline and link block so that one end of motion bar sticks into inside pipeline, Simultaneously by being equipped between the first spring being arranged inside pipeline and L shaped plate, L shape is squeezed by the elastic force of the first spring Plate achievees the effect that link block easy to disassemble so that L shaped plate and motion bar are clamped.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is partial enlargement diagram at the A of the utility model.

In figure: 1, link block；2, pipeline；3, groove；4, the first spring；5, L shaped plate；6, bayonet；7, second spring；8, it keeps off Plate；9, motion bar；10, sealing ring；11, fixed block；12, threaded rod；13, riser.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of conduit coupling of MPP power pipe referring to FIG. 1-2, including link block 1, the outer surface of link block 1 open up There is elongated slot, one end of riser 13, in the inside of link block 1, passes through the riser being arranged outside threaded rod 12 by elongated slot pivot bush unit Being equipped between 13 and threaded rod 12 can realize that riser 13 moves horizontally, pass through riser 13 by rotating threaded rod 12 Movement is adjacent to sealing ring 10, can effectively avoid the sealing ring 10 in moving process of pipeline 2 from deviating, can prevent outside water from entering Inside pipeline 2, cable is protected not to be damaged, the inside at 1 both ends of link block is connected with pipeline 2, two pipelines 2 adjacent two The inside at end opens up fluted 3, and the side inside groove 3 is fixedly installed with the first spring 4, and one end of the first spring 4 is fixed L shaped plate 5 is installed, the quantity of L shaped plate 5 is four, and four L shaped plates 5 are symmetrical as symmetrical centre using the axle center of link block 1, It, can be by 2 company of being stably fixed to of pipeline by being equipped between the first spring 4 being arranged inside pipeline 2 and L shaped plate 5 The inside of block 1 is connect, by 3 movable set of groove in the inside of pipeline 2, the other end of L shaped plate 5 extends to pipe for one end of L shaped plate 5 The outside in road 2, the inside at 1 both ends of link block offer bayonet 6, and the side inside two bayonets 6 is fixedly connected to second Spring 7, second spring 7 two are one group, and two second springs 7 are symmetrically distributed in activity as symmetrical centre using the axle center of baffle 8 The two sides of bar 9, by the second spring 7 being arranged inside link block 1, the pressure extrusion baffle that can be generated by second spring 7 8, so that one end of motion bar 9 sticks into inside pipeline 2, it can be effectively fixed by pipeline 2 and link block 1, one end of second spring 7 It is fixedly connected with baffle 8, the inside fixing sleeve of baffle 8 is equipped with motion bar 9, and one end that motion bar 9 is located inside pipeline 2 offers Through-hole, one end of L shaped plate 5, in one end of motion bar 9, pass through the first spring 4 being arranged inside pipeline 2 by through-hole movable set Being equipped between L shaped plate 5 can squeeze L shaped plate 5 by the elastic force of the first spring 4, so that L shaped plate 5 and motion bar 9 Clamping, can make motion bar 9 is stable to be connected between pipeline 2 and link block 1, one end of motion bar 9 runs through and the company of extending to The outside of block 1 is connect, the other end of motion bar 9 extends to the inside of pipeline 2, and L shaped plate 5 is located at one end inside pipeline 2 through simultaneously Extend to the outside of 9 one end of motion bar, the phase-contact surface of link block 1 and pipeline 2 is movably installed with sealing ring 10, link block 1 Outside is fixedly installed with the fixed block 11 between two motion bars 9, and the internal activity of fixed block 11 is set with threaded rod 12, The external screw-thread of threaded rod 12 is set with riser 13, and one end of riser 13 extends to the inside of link block 1, and riser 13 is located at connection Side inside block 1 is flexibly connected with the outer surface of sealing ring 10.

Pipeline 2 is sleeved on by working principle in use, sealing ring 10 is mounted at 1 contact surface of pipeline 2 and link block The inside at 1 both ends of link block, while L shaped plate 5 and motion bar 9 are moved outward, motion bar 9 is unclamped, second spring 7 squeezes baffle 8, it drives baffle 8 and motion bar 9 mobile to the inside of pipeline 2, then unclamps again L shaped plate 5, the first spring 4 squeezes L shaped plate 5, band One end of dynamic L shaped plate 5 sticks into the through-hole inside motion bar 9, then rotates threaded rod 12, and riser 13 is driven to move horizontally, when When the outer surface of riser 13 and sealing ring 10 is adjacent to, stop operating threaded rod 12.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of conduit coupling of MPP power pipe, including link block (1), it is characterised in that: link block (1) both ends Inside is connected with pipeline (2), and the inside of two pipeline (2) adjacent both ends opens up fluted (3), the groove (3) internal side is fixedly installed with the first spring (4), and one end of first spring (4) is fixedly installed with L shaped plate (5), institute The one end for stating L shaped plate (5) passes through groove (3) movable set in the inside of pipeline (2), and the other end of the L shaped plate (5) extends to The inside of the outside of pipeline (2), link block (1) both ends offers bayonet (6), and the one of two bayonets (6) inside Side is fixedly connected to second spring (7), and one end of the second spring (7) is fixedly connected with baffle (8), the baffle (8) Inside fixing sleeve be equipped with motion bar (9), the outside of link block (1) is run through and extended in one end of the motion bar (9), described The other end of motion bar (9) extends to the inside of pipeline (2), and the L shaped plate (5) is located at the internal one end of pipeline (2) through simultaneously Extend to the outside of motion bar (9) one end, the phase-contact surface of the link block (1) and pipeline (2) is movably installed with sealing ring (10), the outside of the link block (1) is fixedly installed with the fixed block (11) between two motion bars (9), the fixation The internal activity of block (11) is set with threaded rod (12), and the external screw-thread of the threaded rod (12) is set with riser (13), described One end of riser (13) extends to the inside of link block (1), and the riser (13) is located at the internal side of link block (1) and sealing The outer surface for enclosing (10) is flexibly connected.

2. a kind of conduit coupling of MPP power pipe according to claim 1, it is characterised in that: the L shaped plate (5) Quantity is four, and four L shaped plates (5) are symmetrical as symmetrical centre using the axle center of link block (1).

3. a kind of conduit coupling of MPP power pipe according to claim 1, it is characterised in that: motion bar (9) position Through-hole is offered in the internal one end of pipeline (2), one end of the L shaped plate (5) is by through-hole movable set in motion bar (9) One end.

4. a kind of conduit coupling of MPP power pipe according to claim 1, it is characterised in that: the second spring (7) Two are one group, and two second springs (7) are symmetrically distributed in motion bar (9) by symmetrical centre of the axle center of baffle (8) Two sides.

5. a kind of conduit coupling of MPP power pipe according to claim 1, it is characterised in that: the link block (1) Outer surface offers elongated slot, and one end of the riser (13) is by elongated slot pivot bush unit in the inside of link block (1).