CN207848565U - Keep away water valve - Google Patents

Abstract

The utility model is related to one kind keeping away water valve, including hollow shell, the top of shell is equipped with air inlet, the top of shell is equipped with gas outlet, shell is fixedly provided with slide, on slide the first slide bar vertically extended is equipped with by way of linear slide cooperation, the upper end of first slide bar is equipped with the first seal that can block air inlet, the lower end of first slide bar is extended downwardly in slide, and first the lower end of slide bar be fixedly connected with the first floating ball that can be floated upwards in water, first floating ball is for driving the first slide bar to move upwards so that first seal blocks air inlet.The utility model has the advantage of not only can guarantee that natural gas passes through, but also it can prevent water from entering in natural gas line by keeping away water valve.

Description

Keep away water valve

Technical field

The utility model is related to natural gas pipe engineerings, and in particular to one kind keeping away water valve.

Background technology

Natural gas is widely used in resident living and industrial enterprise, and natural gas is delivered to resident by natural gas line In family or in industrial enterprise, and lead to water pipe usually because natural gas line and water pipe are connected in operation error in actually using Interior water enters in natural gas line, and then the instrument and equipment in natural gas line and natural gas line is caused to be damaged, because This can generally carry out draining or be carried out more to the natural gas line of water inlet immediately after finding to have water to enter natural gas line It changes, has the shortcomings that of high cost and dangerous big.Since natural gas line is generally embedded in underground, in lack of standardization or even violation of constructing In the case of construction, natural gas line rupture is easily led to, intakes so as to cause natural gas line and causes serious consequence.Especially It is in resident carries out fitment process, due to finishing, proficiency is irregular, or even many residents voluntarily install right gas hot water Device occurs, by natural gas pipe misconnection to water heater mouth, to enter natural gas so as to cause tap water during the installation process again and again Pipeline damages gas-fired equipment, or even causes large area and stop the supple of gas or steam accident.

Invention content

The purpose of this utility model is to propose that one kind keeping away water valve, this is kept away water valve and not only can guarantee that natural gas passed through, but also energy Enough prevent water from entering in natural gas line by keeping away water valve.

One kind described in the utility model keeps away water valve, including hollow shell, and the top of the shell is equipped with air inlet, institute The top for stating shell is equipped with gas outlet, and the shell is fixedly provided with slide, is coordinated by linear slide on the slide Mode is equipped with the first slide bar vertically extended, and the upper end of first slide bar, which is equipped with, can block the air inlet The lower end of first seal, first slide bar is extended downwardly in the slide, and the lower end of first slide bar is fixedly connected Have the first floating ball that can be floated upwards in water, first floating ball for driving first slide bar to move upwards so that The first seal blocks the air inlet.

Further, the first seal includes the first top plate of the upper end for being fixed on first slide bar and is fixed on The first elastic sealing gasket on the upper surface of first top plate.

Further, first elastic sealing gasket is made of silica gel.

Further, the bottom of the shell is equipped with discharge outlet and the detachable closeouts for blocking the discharge outlet.

Further, the shell include upper casing, lower casing, be arranged the upper casing lower end upper flange, be arranged under described Shell upper end and in the corresponding lower flange of the upper flange and flange ring corresponding with the upper flange, it is the upper flange, described Flange ring and the lower flange are sequentially stacked and are fixed together by screw bolt and nut, and the slide is fixedly connected on institute It states on flange ring.

Further, the shell, the floating ball, the slide, first slide bar are made of plastics.

Further, it is equipped with filter house at the gas outlet, the filter core for being used for drainage is equipped in the filter house.

Further, the side coordinated by linear slide is arranged on the top of the shell, the slide in the gas outlet Formula is equipped with the second slide bar vertically extended, and the upper end of second slide bar, which is equipped with, can block the of the gas outlet The lower end of two sealing elements, second slide bar is extended downwardly in the slide, and the lower end of second slide bar is fixedly connected with The second floating ball that can be floated upwards in water, second floating ball is for driving second slide bar to move upwards so that institute It states second seal and blocks the gas outlet.

Further, the second seal includes the second top plate of the upper end for being fixed on second slide bar and is fixed on The second elastic sealing gasket on the upper surface of second top plate.

Further, second elastic sealing gasket is made of silica gel.

The utility model has the advantage of not only can guarantee that natural gas passes through, but also it can prevent water from entering by keeping away water valve In natural gas line.

Description of the drawings

Fig. 1 is the structural schematic diagram for keeping away water valve described in embodiment one；

Fig. 2 is the explosive view for keeping away water valve described in embodiment one；

Fig. 3 is the sectional view for keeping away water valve described in embodiment one；

Fig. 4 is the structural schematic diagram for keeping away water valve described in embodiment two.

In figure：1-lower casing；2-upper casings；3-air inlets；4-gas outlets；5-lower flanges；6-upper flanges；7-bolts； 8-nuts；9-discharge outlet；10-detachable closeouts；11-filter houses；12-connecting rods；13-the first annulus；14-the Two annulus；15-flange rings；16-the first floating ball；17-the first slide bar；18-the first top plate；19-the first elastic sealing gasket； 20-shells；21-filter cores；22-the second floating ball；23-the second slide bar；24-the second top plate；25-the second elastic sealing gasket.

Specific implementation mode

The utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment one：

One kind as shown in Figure 1 to Figure 3 keeps away water valve, including hollow shell, and the top of shell is equipped with air inlet 3, shell Top be equipped with gas outlet 4, shell is fixedly provided with slide, is equipped with along upper by way of linear slide cooperation on slide The first slide bar 17 that lower direction extends, the upper end of the first slide bar 17 are equipped with the first seal that can block air inlet 3, and first slides The lower end of bar 17 is extended downwardly in slide, and the lower end of the first slide bar 17 is fixedly connected with can float upwards in water first Floating ball 16, the first floating ball 16 is for driving the first slide bar 17 to move upwards so that first seal blocks air inlet 3.

Above-mentioned first seal includes the first top plate 18 of the upper end for being fixed on the first slide bar 17 and is fixed on first The first elastic sealing gasket 19 on the upper surface of top plate 18, the first elastic sealing gasket 19 can cover air inlet 3, when the first sealing When part blocks air inlet 3, the first elastic sealing gasket 19 is attached on the roof of shell, and the first elastic sealing gasket 19 covers air inlet 3, To form sealing.First elastic sealing gasket 19 can be made of rubber.As a preferred embodiment, the first elastic sealing gasket 19 is by silica gel It is made.First elastic sealing gasket 19 can be fixed on by way of glue bonding on the first top plate 18.

In order to which the water in shell is discharged, the bottom of shell is equipped with discharge outlet 9 and the detachable closure for blocking discharge outlet 9 Part 10, the drainpipe extended downwardly can be arranged at discharge outlet 9, and detachable closeouts 10 can be mounted on the stifled of drainpipe lower end Plug or blocking cap.

For the ease of installation, shell include upper casing 2, lower casing 1, be arranged 2 lower end of upper casing upper flange 6, be arranged in lower casing 1 Upper end and in 6 corresponding lower flange 5 of the upper flange and flange ring 15 corresponding with upper flange 6, upper flange 6, flange ring 15 It is sequentially stacked with lower flange 5 and is fixed together by bolt 7 and nut 8, slide is fixedly connected on flange ring 15.It is aobvious So, in order to keep upper casing 2, lower casing 1 and flange ring 15 junction sealing, can upper casing 2, lower casing 1 and flange ring 15 it Between junction filling with sealant or setting gasket keep sealing, to satisfy the use demand.

Above-mentioned slide can be made of the first annulus 13, the second annulus 14 and connecting rod 12, the first annulus 13, second circle Ring 14 is slidably matched with the first slide bar 17, and 12 one end of connecting rod is fixedly connected on flange ring 15, and the other end is fixedly connected on First annulus 13, the second annulus 14 is coaxial with the first annulus 13 and there is interval, the second annulus 14 to pass through company in the up-down direction Fitting is connected in connecting rod 12, and connecting rod 12 can be one, or more.There is friction area using the structure Small, light-weight advantage.

In order to reduce material cost and reduce production difficulty, shell, floating ball, slide, the first slide bar 17 are made of plastics.

It is equipped with filter house 11 at gas outlet 4, the filter core 21 for being used for drainage is equipped in filter house 11.Filter core 21 was used for Impurity in drainage avoids impurity and water from entering in shell by gas outlet 4 together, is sealed so as to avoid impurity effect first The sealing performance of part, and then ensure that first seal can preferably block air inlet 3, avoid water from entering natural gas line In.Escape pipe or the outlet pipe fitting with outward extension at gas outlet 4, filter house 11 include shell 20 and are arranged in shell Filter core 21 in 20, shell 20 by for accommodating filter core 21 enlarged diameter section and the minor diameter that is connected with one end of enlarged diameter section Section is constituted, and the other end of enlarged diameter section is connected by way of screw-thread fit with escape pipe or outlet pipe fitting.Obviously, shell 20 It can also be linked together by other dismountable modes between escape pipe or outlet pipe fitting, such as pass through flange arrangement It links together.Shell 20 is connect by dismountable mode with escape pipe or outlet pipe fitting, there is easy for installation, dismounting Convenient advantage, convenient for cleaning or replacing filter core 21.

As a preferred embodiment, the air inlet pipe or air inlet pipe fitting that one upwardly extends can be set on air inlet 3, it is convenient It is connect with natural gas line.

Air inlet 3 is connected by the water valve of keeping away described in embodiment one with the outlet of natural gas line when in use, when making With there is water to be entered in shell by gas outlet 4 in the process, with the raising of shell water level, the first floating ball 16 buoyancy work with to Upper floating, the first floating ball 16 drive the first slide bar 17 to move upwards, while first seal is transported upwards together with the first slide bar 17 Dynamic, until first seal blocks air inlet 3, therefore water can not be entered by air inlet 3 in natural gas line.And first Sealing element blocks the inside of air inlet 3, can ensure good sealing performance when hydraulic pressure is larger.In embodiment one It is described to keep away water valve and apply in natural gas line, prevent water from spreading and spreading in natural gas line, to avoid damage It loses and expands and avoid excessive loss, can also be arranged in the outlet of natural gas line, prevent water from entering natural gas line.

Embodiment two：

Embodiment two and embodiment one difference lies in：As shown in figure 4, gas outlet 4 is arranged on the top of shell, slide The second slide bar 23 vertically extended is equipped with by way of linear slide cooperation, the upper end of the second slide bar 23 is equipped with energy The second seal of gas outlet 4 is enough blocked, the lower end of the second slide bar 23 is extended downwardly in slide, and the lower end of the second slide bar 23 is solid Surely be connected with the second floating ball 22 that can be floated upwards in water, the second floating ball 22 for drive the second slide bar 23 to move upwards with So that second seal blocks gas outlet 4.Second seal include the second top plate 24 of the upper end for being fixed on the second slide bar 23 with And it is fixed on the second elastic sealing gasket 25 on the upper surface of the second top plate 24.Second elastic sealing gasket 25 is made of silica gel.It is real Keeping away water valve tool the water that first seal blocking is entered by gas outlet 4 can either be utilized by air inlet 3 described in example two is applied, The water that second seal blocking is entered by air inlet 3 can be utilized, and by gas outlet 4, gas outlet 4 and air inlet 3 can when in use To exchange.Further, the filter house 11 described in embodiment one can be set at air inlet 3 and gas outlet 4, to filter out Impurity in water enters with dampening in shell to avoid impurity.

Claims (10)

1. one kind keeping away water valve, it is characterised in that：Including hollow shell, the top of the shell is equipped with air inlet, the shell Top be equipped with gas outlet, the shell is fixedly provided with slide, is filled by way of linear slide cooperation on the slide Equipped with the first slide bar vertically extended, the upper end of first slide bar is close equipped with can block the air inlet first The lower end of sealing, first slide bar is extended downwardly in the slide, and the lower end of first slide bar is fixedly connected in water In the first floating ball that can float upwards, first floating ball is for driving first slide bar to move upwards so that described the One sealing element blocks the air inlet.

2. according to claim 1 keep away water valve, it is characterised in that：The first seal includes being fixed on described first to slide First top plate of the upper end of bar and the first elastic sealing gasket being fixed on the upper surface of first top plate.

3. according to claim 2 keep away water valve, it is characterised in that：First elastic sealing gasket is made of silica gel.

4. according to claim 1 keep away water valve, it is characterised in that：The bottom of the shell is equipped with discharge outlet and for blocking The detachable closeouts of the discharge outlet.

5. according to claim 1 keep away water valve, it is characterised in that：The shell includes upper casing, lower casing, setting on described The upper flange of shell lower end, setting the lower casing upper end and in the corresponding lower flange of the upper flange and with the upper flange pair The flange ring answered, the upper flange, the flange ring are sequentially stacked with the lower flange and are fixedly connected by screw bolt and nut Together, the slide is fixedly connected on the flange ring.

6. according to claim 1 keep away water valve, it is characterised in that：The shell, the floating ball, the slide, described One slide bar is made of plastics.

7. according to claim 1 keep away water valve, it is characterised in that：Filter house, the filter house are equipped at the gas outlet It is interior to be equipped with the filter core for being used for drainage.

8. keeping away water valve according to claim 1-7 any one of them, it is characterised in that：The gas outlet is arranged in the shell Top, is equipped with the second slide bar vertically extended on the slide by way of linear slide cooperation, and described second The upper end of slide bar is equipped with the second seal that can block the gas outlet, and the lower end of second slide bar is extended downwardly in described Slide, and the lower end of second slide bar is fixedly connected with the second floating ball that can be floated upwards in water, second floating ball For driving second slide bar to move upwards so that the second seal blocks the gas outlet.

9. according to claim 8 keep away water valve, it is characterised in that：The second seal includes being fixed on described second to slide Second top plate of the upper end of bar and the second elastic sealing gasket being fixed on the upper surface of second top plate.

10. according to claim 9 keep away water valve, it is characterised in that：Second elastic sealing gasket is made of silica gel.