CN2332869Y

CN2332869Y - Inner pipe water-hammer arester

Info

Publication number: CN2332869Y
Application number: CN98203144U
Authority: CN
Inventors: 廖换彩
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-04-03
Filing date: 1998-04-03
Publication date: 1999-08-11
Anticipated expiration: 2008-04-03

Abstract

The utility model provides a water hammer eliminator of a water pipe. An outward opening is arranged at the rotary angle point of an elbow. A diaphragm and a diaphragm protective net are arranged on the opening again. A bottom cover is sealed and locked again. A plurality of diversion blades are arranged on the inner walls of two joints of the elbow on the inner side of the diaphragm protective net, whereas a gas injection nozzle and a pressure gauge are arranged on the bottom cover. Air with the pressure injected from the gas injection nozzle enters an air-pressure chamber between the bottom cover and the diaphragm. The utility model can block and eliminate the pressure wave generated because the fluid is stopped suddenly or the fluid changes flow direction in the pipe. The flow water is prevented from generating vibration and noise.

Description

Water-hammer arrester in a kind of pipe

The utility model relates to being used to of being provided with in a kind of water pipe and eliminates the device of the noise that current (ripple) vibration flow-disturbing etc. produced, water-hammer arrester in especially a kind of pipe.

By the tap water delivery main of general apartment, mansion or agricultural with all not installing any water-hammer arrester on the waste pipe pipeline.Water when water in the pipe is swimmingly mobile, promptly can not produce " water hammer " phenomenon certainly; If have a power failure suddenly or when closing water tap or valve, owing to be the direction of blocking flowing water moment or changing current, then flow rate of water flow promptly can change the pressure energy into, and a series of positive and negative pressure Reeb vibrates in pipe back and forth, friction produces the flow-disturbing oscillation phenomenon and produces a thundering noise mutually and form.And therefore also will influence the rotating speed and the lift of water pump, even impeller is damaged.In view of this this creator special creates " water-hammer arrester in a kind of pipe " of the present utility model through grinding examination in many ways.

Be that main purpose of the present utility model provides water-hammer arrester in a kind of pipe, install and use, make the working life that produces noise when removing water or defeated, draining from and increase suction pump so that general apartment, mansion and farming, worker dealer to be provided.

The purpose of this utility model is achieved in that

Water-hammer arrester in a kind of pipe, mainly be that an outside opening is established in the water pipe elbow corner that is contained in L-shaped without exception or ㄑ shape, device has a diaphragm and a diaphragm protecting wire net on this opening, and locking is loaded onto a bottom and is sealed it again, on two inner nosepiece wall of this elbow, reach diaphragm protecting wire net inboard and be provided with several pieces guide vanes, direction of flow when leading along normal the use makes through the fluid of this elbow to change also unlikely generation and rub mutually and make a noise because of flowing to; And device one gas injection is chewed and a pressure gauge on this bottom, is injected with a pressure in the air chamber that is surrounded between this bottom and diaphragm in addition and is 80～90% air of pipeline fluid pressure.

Described diaphragm protecting wire net be directly molded or fixing device on the set outside opening in the corner of this water pipe elbow, and stretch out in this opening and an about semicircle to be set or bowl-type is held tube, described diaphragm lining is loaded on this, and to hold tube inboard, and locking is loaded onto an about semicircle or the bowl-type bottom seals it again.

The utility model adopts said structure, but this diaphragm of mat absorbs because of in-pipe flow flows to and changes or the blocking-up pressure energy that flowing water produced, make in meeting that flow rate of water flow changes the pressure energy into and when producing the positive and negative pressure Reeb, be unlikely vibration back and forth in pipe, mutually friction, and can not produce flow-disturbing oscillation phenomenon and the water hammer that makes a noise etc.

The utility model is described in further detail to lift specific embodiment below in conjunction with accompanying drawing.

The accompanying drawing simple declaration:

Fig. 1 is a sectional view of the present utility model;

Fig. 2 is A-A ' the line position sectional view among Fig. 1;

Fig. 3 is a right side view of the present utility model;

Fig. 4 is a planimetric map of the present utility model;

Fig. 5 is a worm's eye view of the present utility model;

Fig. 6 is the routine sectional schematic diagram of installing and using of the present utility model;

Fig. 7 is the planimetric map of another preferred embodiment of the utility model;

Fig. 8 is the profile diagram of another preferred embodiment of the utility model;

Fig. 9 is the routine sectional schematic diagram of installing and using of another preferred embodiment of the utility model.

As Fig. 1 and consult shown in the accompanying drawing 2～5, water-hammer arrester 1 embodiment establishes an outside opening 11 in water pipe elbow 10 corners L-shaped or ㄑ shape without exception in a kind of pipe of the utility model, device one diaphragm 12 and a diaphragm protecting wire net 13 on this opening 11 again, a bottom 14 sealings are loaded onto in locking more afterwards.This diaphragm 12 is generally to be the bowl-type lamellar body with what flexible rubber of tough tool or synthetic resin were molded as, make and can bear hydraulic pressure and atmospheric pressure freely and do the breathing action: this diaphragm protecting wire net 13 then is with hard rigidity, material that intensity is high, also generally be bowl-type, make lining be located at the inboard of this diaphragm 12, prevent its excessive deformation to hold this diaphragm.In opening 11 places of this elbow 10, be stratum to be set hold edge 101, in order to stable this diaphragm protecting wire net 13 of setting; And in 14 of this opening 11 and bottoms, then be that correspondence is provided with

flange ring

18a, 18b, again to count screw 181 lockings in conjunction with (seeing also shown in Figure 5).This bowl-type diaphragm 12 is to arch upward partly mode device towards elbow 10 inboards on the opening 11 of this elbow 10, its external diameter must be provided with approximately with this opening 11 and bottom 14 on

flange ring

18a, 18b big or small identical, make to insert and put to be fixed between this two

flange ring

18a, 18b unlikely generation displacement or obscission when doing the breathing action.And this bottom 14 also is made as the lid that generally is bowl-type, be with arch partly outwards the mode fixing device on the opening 11 of this elbow 10, make in 12 formation of bottom 14 and diaphragm, one air chamber 102; Be again a gas injection to be housed chew 15 and one pressure gauge 16 (as shown in Figure 5) on this bottom 14, make and chew 15 from this gas injection to inject a pressure be that 80～90% air of pipeline fluid pressure enters this air chamber 102, and can be by the demonstration of this pressure gauge 16 to learn the pressure size in this air chamber 102.Certainly, but the used gas injection of the utility model chew 15 and be advisable to adopt a kind of gas injection to chew with the inflation of unloading gas.In addition, elbow of the present utility model 10 also needs establish a flange 18 respectively in its two joint 17,17 ' terminal, make respectively for pipeline in an intake pipe 2 and an outlet pipe 3 lockings usefulness (as shown in Figure 6) that is connected use; Simultaneously, in this two joint 17,17 ' inwall on, and can be provided with again respectively several pieces guide vanes 19 ', make the guide vane 19 on the matching film plate protecting wire net 13, when normal use, lead the flow direction of following current body, make the fluid at these elbow 10 places that flow through change the usefulness that also unlikely generation rubs mutually and makes a noise because of flowing to.

Please consult shown in Figure 6 again, be to be locked in 3 of the intake pipe 2 of one defeated, main drain pipeline and outlet pipes when water-hammer arrester 1 is installed and used in the pipe of the present utility model, so when when suddenly closing water tap or valve, though be to block the flowing water in this pipeline moment or change its water (flow) direction; But its because of flow rate of water flow change into a succession of positive and negative pressure Reeb 4,4 that the pressure the subject of knowledge and the object of knowledge forms ', when impacting the diaphragm 12 of a model utility, this diaphragm 12 promptly can produce as shown shown in the imaginary line or more cushion metamorphosis, in order to absorb this pressure energy, make this pressure wave 4,4 ', unlikely vibration back and forth in pipe, friction mutually promptly can not produce flow-disturbing oscillation phenomenon and the water hammer that makes a noise certainly; So, can eliminate noise and vibration, so protect this pipeline and on the utensils such as water pump that installed, to improve its working life.If after this pressure wave 4,4 ' by the utility model is eliminated, 12 on diaphragm wherein can be subjected to the gas pressure in its pressure chamber 102 to promote to be reduced to position shown in solid line among Fig. 6 again, remakes the usefulness of elimination water hammer action next time fully.

Again, please consult again shown in Fig. 7,8,9, for water-hammer arrester 1 in the pipe of another preferred embodiment of the utility model '.Water-hammer arrester 1 in this pipe ' be both is established an outside opening 11 in corner L-shaped or ㄑ shape water pipe elbow 10 without exception, again on this opening 11 directly molded or fixing device one diaphragm protecting wire net 13 ', and again in these opening 11 places stretch out an about semicircle or bowl-type be set hold tube 111 after, just in this hold tube 111 inboard linings adorn a diaphragm 12 ', then an about semicircle or bowl-type bottom 14 ' sealing are loaded onto in locking again.Diaphragm 12 among this embodiment ' be both with flexible rubber of tough tool or synthetic resin is molded as, and only is to make to be the bowl-type lamellar body, does the breathing action can bear hydraulic pressure and atmospheric pressure freely.In these opening 11 places outward extending hold tube 111 and bottom 14 ', also corresponding with previous embodiments flange 18a, the 18b of being provided with is again to count the 182 locking combinations (as shown in Figure 8) of screw 181, nut.And this bottom 14 ', be to be made as the lid that is bowl-type, its with the partly outside mode fixing device of arch the holding on the tube 111 of this opening 11 outsides, make in this bottom 14 ' with this hold the bigger air chamber 102 of the diaphragm 12 of tube 111 an inboards ' formation one '; Simultaneously, in this bottom 14 ' on a gas injection also be housed chew 15 and one pressure gauge 16 (as shown in Figure 8), make from this gas injection chew 15 inject a pressure be 80～90% air of pipeline fluid pressure enter this air chamber 102 ', and can by the demonstration of this pressure gauge 16 with learn this air chamber 102 ' in the pressure size.Partly construct as for other details then all identical with previous embodiment person, so do not give unnecessary details in addition.

Installing and using in this embodiment's the pipe 1 ' time of water-hammer arrester, is as shown in Figure 9, also is to be locked in 3 of the intake pipe 2 of one defeated, main drain pipeline and outlet pipes.Because water-hammer arrester 1 in the pipe of present embodiment ' because of being in opening 11 outsides, the corner of water pipe elbow 10, extend again and be provided with an about semicircle or bowl-type and hold tins 111, and the diaphragm 12 that its liner is put ' make to be the bowl-type lamellar body, and also its bottom 14 ' be made as is the bowl-type lid, so in this bottom 14 ' with this hold the bigger air chamber 102 of the diaphragm 12 of tin 111 inboards ' can form ', for the current in the suction line just, negative pressure wave 4,4 ' ability stronger, and more can eliminate water hammers such as noise and vibration, install and use in the higher pipeline of higher floor and hydraulic pressure pressure being suitable for.

Claims

1, water-hammer arrester in a kind of pipe, it is characterized in that: mainly be that an outside opening is established in the water pipe elbow corner that is contained in L-shaped without exception or く shape, device has a diaphragm and a diaphragm protecting wire net on this opening, and locking is loaded onto a bottom and is sealed it again, on two inner nosepiece wall of this elbow and diaphragm protecting wire net inboard be provided with several pieces direction of flow when leading along normal the use, make fluid change the guide vane that also unlikely generation rubs mutually and makes a noise because of flowing to through this elbow; And device one gas injection is chewed and a pressure gauge on this bottom, is injected with a pressure in the air chamber that is surrounded between this bottom and diaphragm in addition and is 80～90% air of pipeline fluid pressure.

2, water-hammer arrester in the pipe as claimed in claim 1, it is characterized in that: described diaphragm protecting wire net be directly molded or fixing device on the set outside opening in the corner of this water pipe elbow, and stretch out in this opening and an about semicircle to be set or bowl-type is held tube, described diaphragm lining is loaded on this, and to hold tube inboard, and locking is loaded onto an about semicircle or the bowl-type bottom seals it again.