CN206036456U

CN206036456U - Diameter -variable ha fujie

Info

Publication number: CN206036456U
Application number: CN201620766249.8U
Authority: CN
Inventors: 焦祥明
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-20
Filing date: 2016-07-20
Publication date: 2017-03-22
Anticipated expiration: 2026-07-20

Abstract

The utility model belongs to the technical field of piping erection, concretely relates to diameter -variable ha fujie, including two semicircular casings, the cyclic annular casing block of two halves constitutes tubular shell, and the diameter of this tubular shell's wherein one end is greater than the diameter of the other end, makes it can wrap the junction that presss from both sides at two different diameter pipe, all be equipped with sealed the pad between the seam crossing of the cyclic annular casing of two halves and the mouth of pipe at tubular shell both ends and the pipeline outer wall. The utility model discloses a diameter at ha fujie both ends is directed against the diameter change of pipeline, designs alone, forms diameter -variable ha fujie, can be used for shutoff tapered pipeline to the actual operating mode demand of adaptation.

Description

A kind of reducing type pipeline leakage plugging device

Technical field

This utility model belongs to pipe installation technology field, and in particular to a kind of reducing type pipeline leakage plugging device.

Background technology

Pipeline leakage plugging device is mainly used in the field such as pipe first-aid or pipeline connection, and its structure mainly includes two half shells, two halves Housing is mutually fastened and can form a sleeve pipe, so as to sandwich on pipeline.But pipeline leakage plugging device of the prior art is often etc. The structure in footpath, when in the face of some complicated operating modes, it is difficult to say that pipeline is shut completely.For example in the connection of two reducing pipes Place, traditional isometrical pipeline leakage plugging device cannot just work together and be fitted close with two pipelines, therefore be badly in need of a kind of new pipeline leakage plugging device structure To adapt to this duty requirements.

Utility model content

The purpose of this utility model is to provide a kind of reducing type pipeline leakage plugging device that can be blocked to tapered pipeline.

For achieving the above object, this utility model provides technical scheme below：A kind of reducing type pipeline leakage plugging device, including two Semicircular housing, two halves circular shell engaging constitute tubular shell, wherein one end of the tubular shell with diameter greater than the other end Diameter so as to can sandwich in the junction of two reducing pipes；The seam crossing and tubular shell of the two halves circular shell Sealing gasket is equipped between the mouth of pipe and pipeline outer wall at body two ends.

The semicircular housing is groove-like structure, and when two halves circular shell engages, tubular shell two ends are in closing in shape, are managed Radially outward arch upward along pipeline in shape housing stage casing.

Two arc bar grooves are provided with the inside of the arc-shaped side at semicircular housing two ends；Set on the arch side of semicircular housing both sides There are two arch bar grooves；The two arches bar groove is sequentially connected with two arc bar grooves, and the annular bar groove for forming a closing is used for House the sealing gasket.

The arch side of the semicircular housing both sides is provided with the flange for protruding out laterally, and two halves circular shell is utilized should The bolt mounting holes opened up on flange are bolted.

The arch bar groove is arranged on the end face of the flange.

The sealing gasket includes two arc sealing strips, and the wherein radius of an arc sealing strip is more than another arc sealing strip Radius；The two ends of two arc sealing strips are connected by two arch sealing strips respectively, form a closed loop sealing ring.

The both sides of the both sides of the arc sealing strip and arch sealing strip are laid with multiple convex portions, the convex portion and the arc The side wall interference fit of shape bar groove and arch bar groove, fixes sealing gasket swelling.

The convex portion be semi-cylindrical, and the length direction of each convex portion along sealing gasket pass in and out annular groove when direction arrangement.

The projection for being respectively arranged at two ends with a wedge shape of the arc sealing strip, the inside edge of the projection is higher than outer Lateral edges；The inner ring surface of the arc sealing strip is provided with a plurality of arc convex ridge.

The arch sealing strip is provided with locating convex block, and the locating convex block protrudes out setting, institute to the bottom land of arch bar groove The bottom land for stating arch bar groove is provided with the locating slot coordinated with locating convex block.

It is of the present utility model to have technical effect that：The diameter needles at pipeline leakage plugging device two ends of the present utility model become to the diameter of pipeline Change, carry out individually designed, formation reducing type pipeline leakage plugging device, can be used in blocking tapered pipeline, to adapt to actual duty requirements.

Description of the drawings

Fig. 1 is installation diagram of the present utility model；

Fig. 2 is semicircular housing of the present utility model and sealing gasket assembling stereogram；

Fig. 3 is semicircular housing axonometric chart of the present utility model；

Fig. 4 is sealing gasket axonometric chart of the present utility model.

Specific embodiment

This utility model is described in detail below in conjunction with accompanying drawing.

In description of the present utility model, it should be noted that the orientation of the instruction such as term " interior ", " outward " or position relationship It is (to be inner side i.e. with the side of tube fit, be outer away from the side of pipeline based on orientation shown in the drawings or position relationship Side), it is for only for ease of description this utility model and simplifies description, rather than indicates or imply that the device or element of indication are necessary Construct with particular orientation and operate, therefore it is not intended that to restriction of the present utility model.

As shown in figure 1, a kind of reducing type pipeline leakage plugging device, including two semicircular housings 10, the engaging structure of two halves circular shell 10 Into tubular shell, the diameter with diameter greater than the other end of wherein one end of the tubular shell so as to can sandwich in two reducings The junction of pipeline 30；The mouth of pipe at the seam crossing of the two halves circular shell 10 and tubular shell two ends and 30 outer wall of pipeline it Between be equipped with sealing gasket 20.Diameter change of the diameter needles at pipeline leakage plugging device two ends of the present utility model to pipeline 30, is individually set Meter, forms reducing type pipeline leakage plugging device, can be used in blocking tapered pipeline 30, to adapt to actual duty requirements.

Preferably, as shown in Figure 2,3, the semicircular housing 10 is groove-like structure, when two halves circular shell 10 engages, Tubular shell two ends are in closing in shape, and tubular shell stage casing is radially outward arched upward along pipeline 30.

Preferably, as shown in figure 3, being provided with two arc bar grooves 13 on the inside of the arc-shaped side at 10 two ends of semicircular housing；Semi-ring The arch side of 10 both sides of shape housing is provided with two arch bar grooves 14；The two arches bar groove 14 and two arc bar grooves 13 sequentially connect Logical, the annular bar groove for forming a closing is used for housing the sealing gasket 20.

Preferably, the arch side of 10 both sides of semicircular housing is provided with the flange 11 for protruding out laterally, two semi-rings Shape housing 10 is connected by bolt 12 using the bolt mounting holes opened up on the flange 11.

Preferably, the arch bar groove 14 is arranged on the end face of the flange 11.

Preferably, as shown in Figure 2,4, the sealing gasket 20 includes two arc sealing strips 21, wherein one arc sealing strip Radius of 21 radius more than another arc sealing strip 21；The two ends of two arc sealing strips 21 pass through two arch sealing strips 22 respectively It is connected, forms a closed loop sealing ring.

Preferably, the both sides of the arc sealing strip 21 and the both sides of arch sealing strip 22 are laid with multiple convex portions 24, The convex portion 24 and the side wall interference fit of the arc bar groove 13 and arch bar groove 14, fix 20 swelling of sealing gasket.

Preferably, the convex portion 24 be semi-cylindrical, and the length direction of each convex portion 24 along sealing gasket 20 pass in and out annular groove when Direction arrangement, in order to the installation and removal of sealing gasket 20.

Preferably, the projection 23 for being respectively arranged at two ends with a wedge shape of the arc sealing strip 21, the projection 23 Inside edge is higher than outer ledge, and after 21 two ends of arc sealing strip are squeezed, on the inside of which, crumple is more slightly larger than outside, and this practicality It is new that at arc raised line two ends, the wedge shaped projection 23 is set, crumple zone can be filled, further ensure that the close of both sides Packing 20 coordinates closely；The inner ring surface of the arc sealing strip 21 is provided with a plurality of arc convex ridge 25, and convex ridge 25 is subject to pipeline 30 Can be deformed after extruding, and be adhering closely on the outer ring surface of pipeline 30, it is ensured that end seal reliability.

Preferably, the arch sealing strip 22 is provided with locating convex block 26, and the locating convex block 26 is to arch bar groove 14 Bottom land protrudes out setting, and the bottom land of the arch bar groove 14 is provided with the locating slot coordinated with locating convex block 26, locating convex block 26 with Locating slot coordinates, and is prevented from sealing gasket 20 distortion, play in the annular groove.

The preferred embodiment of this utility model creation is the foregoing is only, not to limit this utility model wound Make, all any modification, equivalent and improvement made within the spirit and principle of this utility model creation etc. all should be included Within the protection domain that this utility model is created.

Claims

1. a kind of reducing type pipeline leakage plugging device, it is characterised in that：Including two semicircular housings, the engaging of two halves circular shell constitutes tubulose Housing, the diameter with diameter greater than the other end of wherein one end of the tubular shell so as to can sandwich in two reducing pipes Junction；Sealing is equipped between the seam crossing of the two halves circular shell and the mouth of pipe and pipeline outer wall at tubular shell two ends Pad；The sealing gasket includes two arc sealing strips, the wherein radius of an arc sealing strip more than another arc sealing strip half Footpath；The two ends of two arc sealing strips are connected by two arch sealing strips respectively, form a closed loop sealing ring；The arc sealing strip Both sides and the both sides of arch sealing strip be laid with multiple convex portions, the convex portion and the arc bar groove and the side wall of arch bar groove Interference fit, fixes sealing gasket swelling；The convex portion is semi-cylindrical, and the length direction of each convex portion passes in and out ring along sealing gasket Direction arrangement during groove；The projection for being respectively arranged at two ends with a wedge shape of the arc sealing strip, the inner side edge of the projection Edge is higher than outer ledge；The inner ring surface of the arc sealing strip is provided with a plurality of arc convex ridge；The arch sealing strip is provided with Locating convex block, the locating convex block protrude out setting to the bottom land of arch bar groove, and the bottom land of the arch bar groove is provided with and positioning The locating slot that projection coordinates.