CN207701846U - Two-way water leakage preventing valve - Google Patents

Abstract

Two-way water leakage preventing valve, including valve body, valve body include water supply side cavity and return water side chamber body two parts；Water supply side cavity one end is provided with the water supply side water inlet being connected with municipal water supply pipe, and the water supply side cavity other end is provided with the water supply side water outlet being connected with household internal heating pipeline；Water supply side inside cavity is provided with the regulating valve for adjusting water supply side cavity uninterrupted close to water supply side water inlet one end, and water supply side inside cavity is provided with the seal plate opened and closed by water flow pressure control close to water supply side water outlet one end；Return water side chamber body one end is provided with the return water side water outlet being connected with municipal return pipe, and the return water side chamber body other end is provided with the return water side water inlet being connected with household internal heating pipeline；Return water side inside cavity is provided with water check valve and only allows the check valve to circulate from return water side water inlet to return water side water outlet；The utility model effectively prevents large-scale water leakage.

Description

Two-way water leakage preventing valve

Technical field

The utility model is related to pipeline leakage prevention device technical field, more specifically a kind of two-way water leakage preventing valve.

Background technology

Resident's central heating system often occurs because of the household heater pipeline or a large amount of leaks due to equipment damage the case where at present, Because larger for warm pressure, a few minutes will cause floods to family, or even influence neighbours.The leak proof technology used currently on the market It is infrared remote sensing control electronic valve, it is such technical sophistication, with high costs, it there is also erroneous judgement sometimes；Meanwhile some resident families In heating it is not hot, they just put hot water toward sewer, achieve the effect that increase heat to increase flow velocity, Thermal Corp will be continuous Water is added to heat, the problem of this also results in a large amount of wastes of water resource and heat, and Thermal Corp has a bad headache at present, currently without Effective solution method.

Invention content

To solve the above problems, overcome the deficiencies in the prior art, the quasi- offer of the utility model is a kind of simple in structure, at low cost Two-way water leakage preventing valve that is honest and clean, will not judging by accident.

To achieve the above object, two-way water leakage preventing valve provided by the utility model, including valve body, the valve body include supplying water Side chamber body and return water side chamber body two parts；One end of the water supply side cavity be provided with the water supply side that is connected with municipal water supply pipe into The mouth of a river, the other end of the water supply side cavity are provided with the water supply side water outlet being connected with household internal heating pipeline；The confession Water side inside cavity is provided with the regulating valve for adjusting water supply side cavity uninterrupted, the confession close to one end of water supply side water inlet Water side inside cavity is provided with the seal plate opened and closed by water flow pressure control close to one end of water supply side water outlet；The return water side One end of cavity is provided with the return water side water outlet being connected with municipal return pipe, the other end of the return water side chamber body be provided with and The connected return water side water inlet of household internal heating pipeline；Return water side inside cavity is provided with water check valve and only allows by returning The check valve that water side water inlet circulates to return water side water outlet.

Further, the seal plate includes the stop sealing plate and resetting spring of flow, and sealing plate is normally opened structure, multiple Position spring is arranged in sealing plate close to the side of water supply side water outlet.

Further, the regulating valve is flow valve.

Further, the water check valve is ball valve.

Preferably, the water supply side cavity and return water side chamber body are provided with share common sidewalls, are provided in the share common sidewalls It is connected to the channel of water supply side cavity and return water side chamber body, normally closed pressure reducing valve is provided on the channel.

Further, the channel is arranged between regulating valve and seal plate.

Preferably, the water supply side cavity and return water side chamber body are two individual cavities, the water supply side cavity and return water It is provided with connecting pipeline between side chamber body, normally closed pressure reducing valve is provided on the connecting pipeline.

Further, the engaging portion of the connecting pipeline and water supply side cavity is between regulating valve and seal plate.

The utility model has the beneficial effects that：The utility model is by regulating valve, the setting of seal plate, in leak because of stream Speed is accelerated, water jet propulsion sealing plate, compression reseting spring, realizes the effect in self-closed water route；Household internal steam heating pipe at this time The problem of road hydraulic pressure due to leak reduces, and the setting of check valve avoids suck-back municipal administration return water liquid in pipe, effectively prevents big Area leak；The setting of flow valve makes this programme be suitable for the environment of each department difference heating hydraulic pressure, normally passes through tune when heating Amount of restriction make seal plate reach be automatically closed it is critical, improve sensitivity reduce water leakage；Water supply side cavity and return water side chamber body It is interconnected, and is provided with the pressure reducing valve normally closed in normal heating, this can be in municipal water supply pipe abnormal high pressure sealing When plate is not opened, by opening pressure reducing valve, allows part water to flow directly to return water side chamber body, then directly arranged by municipal return pipe Fall, is depressurized for water supply side cavity, achieve the purpose that normally to heat.

Description of the drawings：

Attached drawing 1 is the internal structure schematic diagram of the utility model embodiment 1；

Attached drawing 2 is the external structure schematic diagram of the utility model embodiment 1；

Attached drawing 3 is the structural schematic diagram of the utility model embodiment 2；

In attached drawing：1, valve body, 2, water supply side water outlet, 3, return water side water inlet, 4, return water side water outlet, 5, water supply side into The mouth of a river, 6, regulating valve, 7, seal plate, 8, check valve, 9, water check valve, 10, pressure reducing valve.

Specific implementation mode：

To keep the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model Attached drawing, the utility model is further described in more detail.

In the description to the utility model, it is to be understood that indicating position or position relationship are described as based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this The limitation of utility model protection range.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.

In attached drawing 1 and attached drawing 2, two-way water leakage preventing valve, including valve body 1, the valve body 1 include water supply side cavity and return water Side chamber body two parts；One end of the water supply side cavity is provided with the water supply side water inlet 5 being connected with municipal water supply pipe, the confession The other end of water side chamber body is provided with the water supply side water outlet 2 being connected with household internal heating pipeline；In the water supply side cavity Portion is provided with the flow valve for adjusting water supply side cavity uninterrupted, the water supply side cavity close to one end of water supply side water inlet 5 Internal one end close to water supply side water outlet 2 is provided with the seal plate 7 opened and closed by water flow pressure control；Seal plate 7 includes stopping The sealing plate and resetting spring of flow, sealing plate are normally opened structure, and resetting spring is arranged in sealing plate close to water supply side water outlet 2 Side；One end of the return water side chamber body is provided with the return water side water outlet 4 being connected with municipal return pipe, the return water side chamber The other end of body is provided with the return water side water inlet 3 being connected with household internal heating pipeline；Return water side inside cavity setting There is ball valve and only allows the check valve 8 to circulate from return water side water inlet 3 to return water side water outlet 4.

Embodiment 1

In attached drawing 1 and attached drawing 2, two-way water leakage preventing valve as described above, the water supply side cavity and return water side chamber body are set Share common sidewalls are equipped with, the channel of connection water supply side cavity and return water side chamber body are provided in the share common sidewalls, on the channel It is provided with normally closed pressure reducing valve 10；The channel is arranged between regulating valve 6 and seal plate 7.

Embodiment 2

In fig. 3, two-way water leakage preventing valve as described above, the water supply side cavity and return water side chamber body are two independences Cavity is provided with connecting pipeline, is provided on the connecting pipeline normally closed between the water supply side cavity and return water side chamber body Pressure reducing valve 10；The engaging portion of the connecting pipeline and water supply side cavity is between regulating valve 6 and seal plate 7.

Specifically, when in use, water supply side water inlet 5 and municipal water supply pipe, water supply side water outlet 2 and household internal heating Pipeline, return water side water outlet 4 and municipal return pipe, return water side water inlet 3 and household internal heating pipeline respectively directly or by Bellows is connected；Then adjust flow valve when making normally to heat flow reach seal plate 7 be automatically closed it is critical, in this way can be just It often heating and is quick on the draw to accidental water leakage or discharge water without authorization；In leak, flow velocity is accelerated, water jet propulsion sealing plate, and compression is multiple Position spring, realizes the effect in self-closed water route；Household internal heating pipeline hydraulic pressure due to leak reduces at this time, check valve 8 The problem of setting avoids suck-back municipal administration return water liquid in pipe, effectively prevents large-scale water leakage；It is extremely high in municipal water supply pipe When pressure causes seal plate 7 not opened, by opening pressure reducing valve 10, allows part water to flow directly to return water side chamber body, then pass through city Political affairs return pipe directly exhausts, and is depressurized for water supply side cavity, and spring-assisted reduction pushes sealing plate to open, and reaches the mesh normally to heat 's.

It is those skilled in the art known technology in addition to technical characteristic described in specification.

Claims (6)

1. two-way water leakage preventing valve, including valve body（1）, it is characterised in that the valve body（1）Including water supply side cavity and return water side chamber Body two parts；One end of the water supply side cavity is provided with the water supply side water inlet being connected with municipal water supply pipe（5）, the water supply The other end of side chamber body is provided with the water supply side water outlet being connected with household internal heating pipeline（2）；In the water supply side cavity Portion is close to water supply side water inlet（5）One end be provided with adjust water supply side cavity uninterrupted regulating valve（6）, the water supply side Inside cavity is close to water supply side water outlet（2）One end be provided with by water flow pressure control open and close seal plate（7）；The return water One end of side chamber body is provided with the return water side water outlet being connected with municipal return pipe（4）, the other end of the return water side chamber body sets It is equipped with the return water side water inlet being connected with household internal heating pipeline（3）；Return water side inside cavity is provided with water check valve（9） Only allow by return water side water inlet（3）To return water side water outlet（4）The check valve of circulation（8）.

2. two-way water leakage preventing valve as described in claim 1, it is characterised in that the seal plate（7）Include the sealing for flow of stopping Plate and resetting spring, sealing plate are normally opened structure, and resetting spring is arranged in sealing plate close to water supply side water outlet（2）Side.

3. two-way water leakage preventing valve as described in claim 1, it is characterised in that the regulating valve（6）For flow valve.

4. two-way water leakage preventing valve as described in claim 1, it is characterised in that the water check valve（9）For ball valve.

5. two-way water leakage preventing valve as described in claim 1, it is characterised in that the water supply side cavity and the setting of return water side chamber body There are share common sidewalls, the channel of connection water supply side cavity and return water side chamber body is provided in the share common sidewalls, is set on the channel It is equipped with normally closed pressure reducing valve（10）；The channel is arranged in regulating valve（6）And seal plate（7）Between.

6. two-way water leakage preventing valve as described in claim 1, it is characterised in that the water supply side cavity and return water side chamber body are two A individual cavity is provided with connecting pipeline, is provided on the connecting pipeline between the water supply side cavity and return water side chamber body Normally closed pressure reducing valve（10）；The engaging portion of the connecting pipeline and water supply side cavity is in regulating valve（6）And seal plate（7）Between.