CN201954188U

CN201954188U - Plugging device for indoor drainage pipeline water filling test

Info

Publication number: CN201954188U
Application number: CN2011200352638U
Authority: CN
Inventors: 吴丽胜; 邱元湖; 任邱骏
Original assignee: HANGZHOU CONSTRUCTION ENGINEERING QUALITY SAFETY SUPERVISOR STATION; ZHEJIANG DAHUA CONSTRUCTION GROUP CO Ltd
Current assignee: HANGZHOU CONSTRUCTION ENGINEERING QUALITY SAFETY SUPERVISOR STATION; ZHEJIANG DAHUA CONSTRUCTION GROUP CO Ltd
Priority date: 2011-02-10
Filing date: 2011-02-10
Publication date: 2011-08-31
Anticipated expiration: 2021-02-10

Abstract

The utility model discloses a plugging device for an indoor drainage pipeline water filling test, comprising a telescopic joint, a concentric reducer, a short pipe and a valve which are connected into a whole from the up to the bottom, wherein threads and a locking nut matched with the threads are arranged at the top of the telescopic joint; an inclined surface formed by expanding outwards is further arranged at the top of the telescopic joint; and a sealing ring is clung to the inner side of the inclined surface. With the plugging device, the water filling test can be conducted on a drainage pipeline layer by layer, so that the leakproofness of the pipeline can be timely detected, and problems can be timely found and corrected; in addition, a vertical drainage pipeline and the telescopic joint can be fixed more firmly and reliably through protruding the sealing ring; and simultaneously, the valve is utilized for plugging, so that the plugging device is applicable to all drainage pipelines, the manual operation is facilitated, and the plugging effect is greatly improved.

Description

The blocking device of indoor drainage pipe water filling test

Technical field

The utility model belongs to construction drainage pipeline inspection technical field, particularly relates to a kind of blocking device of indoor drainage pipe water filling test.

Background technique

In the water supply and sewerage pipeline work progress, often need interim occluding member drainage pipe to carry out water filling test, have or not the situation of leaking with the check drainage pipe.

At present, water filling test all is to utilize air bag shutoff drainage pipe, as disclosed a kind of pipeline air bag among the Chinese patent CN2711504Y, adopt by bottom, utricule, top and the valve cock that is installed in the top that the mould vulcanized rubber is Integratively formed to be inflatable utricule, valve inside and tightening nut have been connected on the valve cock, utricule outer wall circle is provided with several burr in P week, its utricule is up and down the slightly round long tubular of the conical surface, has good airproof performance, intensity height, not explosion, does not take off the end, air tight, characteristics that working life is long.

But, this class air bag because the out-of-flatness of drainage pipe inwall, makes that the outer wall at the inflation rear gasbag can not fit tightly with the inwall of drainage pipe through regular meeting in actual use, cause and to carry out effective shutoff to drainage pipe, directly have influence on drainage pipe is checked; And air bag is positioned at drainage pipe and is difficult to position before inflation, just can fall in the drainage pipe as misoperation, has both had influence on efficiency of test, also is difficult for taking out; And, air bag needs to put into drainage pipe by the inspection socket that drainage pipe is provided with, but the inspection socket of drainage pipe is not successively to be provided with, so can't realize all the time drainage pipe is successively carried out water filling test, so that when drainage pipe is constructed, can not in time pinpoint the problems, influence construction speed.

The model utility content

The purpose of this utility model provides a kind ofly can successively carry out water filling test, and the blocking device of simple operation, indoor drainage pipe water filling test that plugging effect is good.。

For this reason, the scheme that the utility model adopted is such: the blocking device of indoor drainage pipe water filling test, it is characterized in that: it is linked into an integrated entity from top to bottom by slip joint, concentric reducer, short tube and valve, and the slip joint top is threaded and locking nut with matching; The top of slip joint also has one outwards to be expanded and the inclined-plane of formation, and the inboard, inclined-plane is glued with a seal ring.

The cross section, edge of described locking nut is the Yin of Daoing “ " shape.

Described seal ring top also is glued with a gimbal, this gimbal top and the locking nut Yin of Daoing “ " minor face of shape is inconsistent.

The described locking nut Yin of Daoing “ " the long limit bottom position of shape is corresponding with seal ring.

The utility model also comprises a skew T, is connected with valve.

The utility model, after the installation of last layer drainage pipe, in the time of need carrying out water filling test, can place the water outlet of standpipe in the slip joint in the work progress of building by technique scheme; Afterwards, locking nut turns clockwise, itself and slip joint top twisted close, thereby twisted in the process of closing the locking nut Yin of Daoing “ at locking nut " minor face of the shape extruding gimbal inconsistent downwards with it; act on the power of extruding on the seal ring uniformly by gimbal simultaneously; the effect that seal ring constantly is squeezed, the both sides distortion expands outwardly, and produces huge frictional force with standpipe; after locking nut is by stubborn closing, standpipe can be fixed in the slip joint; Then, close ball valve, with the water outlet shutoff of standpipe; Then, the beginning water filling test, whether the drainage pipe that observation station detects exists the situation of leaking; After test finishes, to open ball valve test water is emitted by skew T, this test water can adopt with bucket and collect, and is convenient to use when one deck is poured water down, to arrive water-saving effect; After test water is by emptying, be rotated counterclockwise locking nut, the utility model is unclamped and unloads from drainage pipe.

The utility model is because the locking nut Yin of Daoing “ " the long limit bottom position of shape is corresponding with seal ring, so when the locking nut quilt is stubborn close after, can be tightr stubborn the closing of the effect lower locking nut of growing the limit and slip joint; Simultaneously, the downward crush seal circle of minor face also can put in place more, makes seal ring can reach relative maximum value with standpipe frictional force, can not come off under the effect of external force to guarantee standpipe.

By technique scheme, after the drainage pipe installation of one deck, just the water outlet of standpipe can be connected with the utility model, realized drainage pipe is successively carried out water filling test, can in time check the leakproofness of pipeline, in time pinpoint the problems, in time revise; And the utility model can play the effect of double seal under the effect of seal ring and gimbal, and by the crush seal circle, can make the fixing firm more, reliable of standpipe and slip joint; Simultaneously, utilize valve to carry out shutoff, be applicable to all drainage pipes, not only be convenient to workman's operation, also improved plugging effect greatly.

Description of drawings

Below in conjunction with drawings and Examples the utility model is done further detailed description.

Fig. 1 is the utility model structural representation.

Fig. 2 is the utility model partial structurtes sectional views.

Fig. 3 is the utility model water filling test schematic representation.

Embodiment

Referring to accompanying drawing, present embodiment is connected from top to bottom by the PVC skew T 5 of PVC slip joint 1, PVC concentric reducer 2, PVC short tube 3 and PVC ball valve 4 and band pvc pipe cap, and is bonded to one by PVC glue; Described PVC slip joint 1 top be threaded with cross section, edge with matching be the Yin of Daoing “ " locking nut 6 of shape; The top of PVC slip joint 1 also has one outwards to be expanded and the inclined-plane 7 of formation, and 7 inboards, inclined-plane are glued with a rubber seal 8; These rubber seal 8 tops also are glued with a plastics gimbal 9, and it is inconsistent that these plastics gimbal 9 tops and locking nut 6 falls the minor face 11 of " Yin " shape; The described locking nut Yin of Daoing “ " long limit 12 bottom positions of shape are corresponding with rubber seal 8.

The PVC slip joint 1 that present embodiment adopted is DN75, DN100, three kinds of specifications of DN150, PVC concentric reducer 2 is DN75 * DN50, DN100 * DN50, three kinds of specifications of DN150 * DN50, PVC short tube 3 is DN50 specification, PVC ball valve 4 is DN50 specification, skew T is DN50 specification, and the pvc pipe cap is DN50 specification.

Present embodiment passes through technique scheme, in the work progress of building, when the standpipe 13 of last layer PVC-U drainage pipe, arm installation and with the suspension and support fixation after, in the time of need carrying out water filling test, the water outlet of standpipe 13 can be placed in the PVC slip joint 1; Afterwards, locking nut 6 turns clockwise, itself and PVC slip joint 1 top twisted close, thereby twisted in the process of closing at locking nut 6, the locking nut 6 minor face 11 of " Yin " shape pushes the plastics gimbal 9 inconsistent with it downwards; act on uniformly on the rubber seal 8 by the power of plastics gimbal 9 with extruding simultaneously; the effect that rubber seal 8 constantly is squeezed; the both sides distortion expands outwardly; with the huge frictional force of standpipe 13 generations; after locking nut 6 is by stubborn closing, standpipe 13 can be fixed in the PVC slip joint 1; Then, close PVC ball valve 4, with the water outlet shutoff of standpipe 13; Then, the beginning water filling test is poured water in the PVC-U drainage pipe by a mouth of pipe in last alternating floor building, water level arrives a mouth of pipe edge in the PVC-U drainage pipe, stop afterwards pouring water, observe 5min, check whether liquid level descends and the seepage situation of pipeline, interface; After test finishes, to open PVC ball valve 4 test water is emitted by the discharge opening 14 of PVC skew T 5, this test water can adopt with bucket and collect, and is convenient to use when one deck is poured water down, to arrive water-saving effect; After test water is by emptying, be rotated counterclockwise locking nut 6, this example is unclamped and unloads from the PVC-U drainage pipe, and the standpipe 13 of following one deck PVC-U drainage pipe, arm installation and with the suspension and support fixation after, repeat above operation, to realize successively checking the purpose of PVC-U drainage pipe percolating water situation.

This example is because locking nut 6 Yin of Daoing “ " long limit 12 bottom positions of shape are corresponding with rubber seal 8, so after locking nut 6 is by stubborn closing, can be tightr stubborn the closing of the effect lower locking nut 6 on length limit 12 and PVC slip joint 1; Simultaneously, minor face 11 extruding rubber seal 8 downwards also can put in place more, makes rubber seal 8 can reach relative maximum value with standpipe 13 frictional force, can not come off under the effect of external force to guarantee standpipe 13.

Claims

1. the blocking device of indoor drainage pipe water filling test, it is characterized in that: it is linked into an integrated entity from top to bottom by slip joint, concentric reducer, short tube and valve, and the slip joint top is threaded and locking nut with matching; The top of slip joint also has one outwards to be expanded and the inclined-plane of formation, and the inboard, inclined-plane is glued with a seal ring.

2. the blocking device of indoor drainage pipe water filling test as claimed in claim 1 is characterized in that: the cross section, edge of described locking nut is the Yin of Daoing “ " shape.

3. the blocking device of indoor drainage pipe water filling test as claimed in claim 1 is characterized in that: described seal ring top also is glued with a gimbal, this gimbal top and the locking nut Yin of Daoing “ " minor face of shape is inconsistent.

4. the blocking device of indoor drainage pipe water filling test as claimed in claim 2 is characterized in that: the described locking nut Yin of Daoing “ " the long limit bottom position of shape is corresponding with seal ring.

5. the blocking device of indoor drainage pipe water filling test as claimed in claim 1 is characterized in that: it also comprises a skew T, is connected with valve.