CN206958334U - Novel integrated anti-freezing pressure release valve - Google Patents
Novel integrated anti-freezing pressure release valve Download PDFInfo
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- CN206958334U CN206958334U CN201720717303.4U CN201720717303U CN206958334U CN 206958334 U CN206958334 U CN 206958334U CN 201720717303 U CN201720717303 U CN 201720717303U CN 206958334 U CN206958334 U CN 206958334U
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- pressure release
- water
- pressure
- valve body
- thermostatic element
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- 238000007710 freezing Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000007789 sealing Methods 0.000 claims description 73
- 230000002528 anti-freeze Effects 0.000 claims description 50
- 230000006837 decompression Effects 0.000 claims description 39
- 230000010354 integration Effects 0.000 claims description 29
- 102000010637 Aquaporins Human genes 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 6
- 108010063290 Aquaporins Proteins 0.000 claims description 2
- 230000008014 freezing Effects 0.000 abstract description 7
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 208000001034 Frostbite Diseases 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000009172 bursting Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Temperature-Responsive Valves (AREA)
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Abstract
The utility model discloses a novel integrated form freeze-proof relief valve, including valve body 1, be equipped with the water course 2 that supplies water to flow in the valve body 1, be equipped with the subassembly that prevents frostbite that can block water course 2 on the valve body 1, and when ambient temperature is less than the settlement temperature, the subassembly that prevents frostbite opens water course 2 automatically and carries out the drainage, before water heater waterway system is in critical crystallization temperature, make it be in the mobile state through the integrated form freeze-proof relief valve, after the water route absorbs sufficient heat energy that is carried by the mobile water and the frictional heat that relative flow produced, the waterway system can be in above the critical crystallization temperature point all the time, can prevent its freezing and frost crack; still be equipped with the pressure relief device that can block water course 2 on the valve body 1 to when the water route pressure was higher than the setting value, pressure relief device opened water course 2 automatically and drained water and decompressed, thereby realized preventing frostbite and the function of pressure release simultaneously, simple structure, safe and reliable, the family of being convenient for installs and uses.
Description
【Technical field】
A kind of water heater accessory is the utility model is related to, particularly a kind of integration type anti-freezing decompression valve.
【Background technology】
In northern China overwhelming majority area, the temperature in winter is generally less than 0 DEG C.When gas heater is in inoperative shape
State, when being filled with cold water in water circuit system, pour in down a chimney if whole machine installation is formed in cold balcony or extraneous cold wind by smoke exhaust pipe, can lead
Pyrogenicity hydrophone internal temperature rapid drawdown, pipeline bursting by freezing and leak easily occurs.The antifreezing measures generally used at this stage have three kinds：
First, using safety valve, i.e., Water route system of water heater is emptied when not in use, the method can be effectively antifreeze but easy
There is pipeline bursting by freezing because user forgets；
Second, using electric heating assembly, water route temperature can be perceived by temperature controller, when it is less than closing point temperature, heating
Component carries out more comprehensive quick heating to water circuit system, and this method antifreezing effect is preferable, and main flow at this stage is antifreeze
Measure, but the component power, typically in 90W or so, the power consumption to be worked when long is larger, is calculated by 8 year service life, the auxiliary heat of electricity
Operation cost at 600 yuan or so, cost is higher and in the presence of the hidden danger that can not work of having a power failure；
Third, setting up anti-down airduct, i.e., increase anti-down wind pipe component between smoke exhaust pipe and water heater, cigarette is ensured with check valve
External world's cold wind can not be entered inside water heater by smoke pipe while gas is smoothly discharged, the method prior art it is more ripe and
The generation of water heater freezing accident can be significantly reduced, but this method is only to prevent cold wind from pouring in down a chimney, and cold sun is arranged on for water heater
The situation of platform is typically used in combination without positive effect with this method with above two kinds.
There is integrity problem in prior art, or the too high problem of cost be present, and practical effect can not be complete
It is complete satisfactory.Simultaneously because antifreeze module and pressure release module are two independent accessories, produce and install respectively, in overall design
Consider the Interface design of two accessories, cost is higher.
The utility model is namely based on what such case was made.
【Utility model content】
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided it is a kind of it is simple in construction, be easy to assembly and disassembly it is new
Integrated form anti-freezing decompression valve, the integrated form anti-freezing decompression valve can realize the antifreeze function of Auto-drainage, while can also realize certainly
The function of dynamic pressure release, it is securely and reliably, easy to use.
The utility model is achieved through the following technical solutions：
A kind of integration type anti-freezing decompression valve, it is characterised in that：It is provided with including valve body, in the valve body and supplies water what is flowed through
Water channel, the valve body are provided with the antifreeze component that can block water channel, and when environment temperature is less than design temperature, it is described antifreeze
Component automatically turns on water channel and carries out water-drainage antifreezing, and the pressure relief device that can block water channel is additionally provided with the valve body, and in water
When road hydraulic pressure is higher than setting value, the pressure relief device automatically turns on water channel and carries out drainage pressure-reducing.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：The antifreeze component includes sealing block,
It is communicated with the limbers of water channel, the thermostatic element that can block limbers, institute being provided with above the sealing block on the sealing block
State and push rod is provided between thermostatic element and valve body, described push rod one end is inserted into thermostatic element top, other end top pressure in valve body
On, the thermostatic element outer sheath is provided with limited block, and the limited block is provided with the water hole for supplying water and passing through, the limited block with
Be provided between thermostatic element can by the holddown spring of thermostatic element up top pressure, when temperature reduces, described thermostatic element to
Upper motion, and when temperature raises, described thermostatic element moves downward.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：Being provided with the limited block can be at it
Inside pressure release housing in axial sliding, the sealing block be located in pressure release housing and can relative pressure release housing slide axially, it is described to let out
Pressure shell body, which is provided with, can limit the centre bore that thermostatic element passes through, the sealing block include to pass from centre bore and with heat
Dynamic element coordinates the sealing block top of closure limbers, and is limited in below centre bore and is formed with pressure release housing side and sealed
Sealing block bottom, the sealing block bottom, which is connected with, to set the pressure release spring of sealing block up top pressure in the limited block
Have and be engaged with pressure release housing so as to limit the limited step that pressure release housing slides height, being connected with the pressure release housing to incite somebody to action
The antifreeze spring of its up top pressure.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：Described pressure relief device includes being located at
Pressure release end face on sealing block bottom, and through pressure release housing upper and expand the water acted on pressure release end face and enter water
The flow increasing hole of passage.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：Screw thread connects on described pressure release housing
It is connected to the pressure release adjusting nut that can be adjusted pressure release initial tension of spring and then adjust initial vent pressure value.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：The pretightning force of the antifreeze spring is big
In pressure release spring, the pretightning force of the antifreeze spring is less than thermostatic element pressure voltage.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：The flow increasing hole has multiple and with
Heart hole is connected.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：It is threaded with the limited block
The antifreeze adjusting nut of axial location and then regulation initial antifreeze temperature spot of the limited block in valve body can be adjusted.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：Connected on the antifreeze adjusting nut
The liquid trap of water conservancy diversion can be carried out to the water of discharge by having, and the liquid trap, which is provided with, to be used to be connected with extension tube attached and then the row of draining
The mouth of a river.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：The push rod is provided with ram seat, institute
The support level for being provided with valve body and being engaged with ram seat is stated, the bore of water channel is communicated with the ram seat.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：Limit sliding chutes are provided with the valve body,
The limited block, which is provided with, to be engaged with limit sliding chutes so that limited block can only retaining convex rib in axial sliding.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：The limited block and pressure release housing it
Between be provided with and can limit the anti-rotation structure of pressure release housing into rotation, the anti-rotation structure includes being located at the anti-rotation inside limited block
Hole, and the anti-rotation boss for being located at pressure release hull outside and being engaged with anti-rotating hole.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：Set between the limited block and valve body
There is the limit sealing structure for preventing current from passing through, the limit sealing structure includes the first sealing ring and is located on valve body
Position limiting sealed face；The pressure release sealing structure for being used for preventing that current from passing through is provided between the limited block and pressure release housing, it is described
Pressure release sealing structure include the second sealing ring and the secondary sealing area that is located on limited block.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：In environment temperature 4 are increased to from 0 DEG C
DEG C when, the push rod with respect to thermostatic element be displaced outwardly distance be more than or equal to 1mm；Drop to 0 DEG C from 10 DEG C in environment temperature
When, the push rod moves inward distance with respect to thermostatic element and is more than or equal to 1mm.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：The material of the sealing block for ceramics,
Plastics or metal.
A kind of integration type anti-freezing decompression valve as described above, it is characterised in that：The valve body is provided with and can be installed on
General-purpose interface on water outlet of water heater end or water outlet valve body.
Compared with prior art, the utility model has the following advantages：
1st, when environment temperature is less than design temperature, the antifreeze component automatically turns on water channel and carries out draining, due to the north
Winter registers one's residence water temperature not less than 4 DEG C, antifreeze by described integrated form before Water route system of water heater is in critical crystal temperature
Relief valve is at flow regime, when caused by the enough heat energy carried as the water flowed of water route absorption and relative flow
After frictional heat, water circuit system can be all the time more than critical crystal temperature spot, you can prevents its icing bursting by freezing；On the valve body also
Provided with the pressure relief device that can block water channel, and when water route hydraulic pressure is higher than setting value, the pressure relief device automatically turns on water
Road carries out drainage pressure-reducing, simple in construction so as to realize antifreeze and pressure release function simultaneously, securely and reliably, is easy to family to install
Use；
2nd, the antifreeze component and pressure relief device of described integrated form anti-freezing decompression valve are mechanical structure, are tied using machinery
Structure, realize automatic freezing-protective and self-relieving function；
3rd, flowed using the waste heat of pipeline current and water route, avoid pipeline from freezing, it is not necessary to additionally to consume the energy；
4th, pressure relief device shares the part of antifreeze component, and parts are few, simple in construction, is easy to assemble and disassemble, production cost is low；
5th, pressure release initial tension of spring and then the initial pressure release pressure of regulation can be adjusted by being threaded with described pressure release housing
The pressure release adjusting nut of force value, it is described so as to set different initial vent pressure values according to different use environment demands
The antifreeze of axial location and then regulation initial antifreeze temperature spot of the limited block in valve body can be adjusted by being threaded with limited block
Adjusting nut, by adjusting antifreeze adjusting nut, so as to adjust the pretightning force of holddown spring and antifreeze spring, so as to basis
Different use environment demands set different initial antifreeze temperature spots, are easy to different geographical and the people of different geographical environments to make
With；
6th, it can directly change with existing relief valve Universal joint, be not required to supernumerary structure or additional interface, generalization degree pole
Height, easily assembly and disassembly.
【Brief description of the drawings】
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is sectional view of the utility model under normal temperature and normal water pressure condition；
Fig. 2 is the structural representation of pressure release housing；
Fig. 3 is structural representation Fig. 1 of limited block；
Fig. 4 is structural representation Fig. 2 of limited block；
Fig. 5 is the structural representation of valve body；
Fig. 6 is that the utility model carries out sectional view under water-drainage antifreezing state when less than design temperature；
Fig. 7 is sectional view of the utility model when higher than setting hydraulic pressure under progress pressure release hull-borne.
【Embodiment】
The utility model is further described below in conjunction with the accompanying drawings：
A kind of integration type anti-freezing decompression valve as shown in Figures 1 to 7, including valve body 1, interior be provided with of the valve body 1 supply
The water channel 2 that water flows through, the valve body 1 is provided with the antifreeze component that can block water channel 2, and is less than design temperature in environment temperature
When, the antifreeze component automatically turns on water channel 2 and carries out draining, because northern winter registers one's residence water temperature not less than 4 DEG C, in water heater water
Before road system is in critical crystal temperature, flow regime is at by described integrated form anti-freezing decompression valve, when water route is inhaled
After frictional heat caused by the enough heat energy carried as the water flowed of receipts and relative flow, water circuit system can be all the time in critical
More than crystallization temperature point, you can prevent its icing bursting by freezing；The pressure relief device that can block water channel 2 is additionally provided with the valve body 1, and
And when water route hydraulic pressure is higher than setting value, the pressure relief device automatically turns on water channel 2 and carries out drainage pressure-reducing, so as to realize simultaneously
The antifreeze and function of pressure release, it is simple in construction, securely and reliably, it is easy to family to install and use.
The antifreeze component includes sealing block 31, and the limbers 310 of water channel 2 is communicated with the sealing block 31, described
The top of sealing block 31 is provided with the thermostatic element 32 that can block limbers 310, and push rod is provided between the thermostatic element 32 and valve body 1
33, described one end of push rod 33 is inserted into the top of thermostatic element 32, other end top pressure on valve body 1, the outside of thermostatic element 32
Limited block 34 is arranged with, the limited block 34 is provided with the water hole 341 for supplying water and passing through, the limited block 34 and thermostatic element 32
Between be provided with can be by the holddown spring 35 of the up top pressure of thermostatic element 32, when temperature reduces, described thermostatic element 32 is upward
Motion, and when temperature raises, described thermostatic element 32 moves downward.In the presence of holddown spring 35, the one of push rod 33
All the time top pressure is on valve body 1 at end, and the thermostatic element 32 and push rod 33 are in impaction state all the time, when temperature reduces, institute
The inner material of thermostatic element 32 stated is shunk, and the push rod 33 can be relative toward moving inside thermostatic element 32, in compression bullet
Under spring 35 acts on, top pressure is fixed in valve body 1 all the time for described one end of push rod 33, and the thermostatic element 32 is moved upwards, is made
The bottom surface for obtaining closure limbers 310 in thermostatic element 32 is moved upwards, when temperature continues to be reduced to the antifreeze temperature of setting, the heat
Dynamic element 32 unclamps the closure to limbers 310, opens draining；When temperature raises, the described inner material of thermostatic element 32
Expansion, so as to which driving push rod 33 is protruding with respect to thermostatic element 32, under the effect of holddown spring 35, described one end of push rod 33 is begun
Whole top pressure is fixed in valve body 1, therefore push rod 33 provides a reaction force and drives thermostatic element 32 to move downward, and works as temperature
Design temperature is continued to rise to, the top pressure of thermostatic element 32 blocks limbers 310 on sealing block 31, stops draining.
Being provided with the limited block 34 can pressure release housing 36, the sealing block 31 be located at pressure release shell in axial sliding in it
In body 36 and can relative pressure release housing 36 slide axially, the pressure release housing 36, which is provided with, can limit during thermostatic element 32 passes through
Heart hole 361, the sealing block 31 include to pass from centre bore 361 and coordinate closure limbers 310 with thermostatic element 32
Sealing block top 311, and be limited in the lower section of centre bore 361 and the sealing block bottom of sealing formed with the side of pressure release housing 36
312, the sealing block bottom 312, which is connected with, to set the pressure release spring 37 of the up top pressure of sealing block 31 in the limited block 34
Have and be engaged with pressure release housing 36 so as to limit the limited step 342 that pressure release housing 36 slides height, on the pressure release housing 36
Being connected with can be by the antifreeze spring 38 of its up top pressure.As shown in fig. 6, when temperature reduces, in holddown spring 35, pressure release spring
37 with the collective effect of antifreeze spring 38, thermostatic element 32 and the sealing surface of pressure release housing 36, the formation of sealing block top 311 are whole
Body moves up, and when temperature drops to setting value, pressure release housing 36 stops moving up under the effect of limited step 342, and sealing block
Bottom 312 is limited in the lower section of centre bore 361 so that sealing block 31 stops moving up, and thermostatic element 32 continues up, and makes
The sealing surface obtained between thermostatic element 32 and sealing block 31 separates to form path, and current are successively through valve body 1, limited block 34, sealing
Block 31 is discharged, so as to ensure that gas water heater water path flows.Within operating temperature range, temperature declines more, thermostatic element
Sealing surface aperture between 32 and sealing block 31 is bigger, and water-carrying capacity is bigger.When temperature raises, the thermostatic element 32 is transported downwards
It is dynamic, when temperature continuously rises to setting value, the end face of thermostatic element 32 be just moved to the end contact of sealing block 31, with temperature
Degree continues to rise, and under the effect of antifreeze spring 38, the end face of thermostatic element 32 is bonded with the end face of pressure release housing 36, now sealing block 31
Design decrement is reached between the end face of thermostatic element 32 under the pressuring action of pressure release spring 37 and has formed sealing, water channel 2 is closed
And stop draining.And temperature continues to rise, then thermostatic element 32 promotes pressure release housing 36 and the entirety of sealing block 31 to move down, the dynamic member of heat
Seal pressure between part 32 and sealing block 31 is constant.
Described pressure relief device includes the pressure release end face 3121 being located on sealing block bottom 312, and through pressure release housing
36 tops and the flow increasing hole 362 for entering aquaporin for expanding the water acted on pressure release end face 3121, with the water route in water heater
The increase of system hydraulic pressure, water flow through pressure release housing 36 through hole (including flow increasing hole 362, and pressure release housing 36 with sealing block
Gap between the top of portion 311) pressure release end face 3121 is acted on, its pressure increases as hydraulic pressure increases, when intake pressure reaches
During setting value, thermostatic element 32 reaches critical-sealing state with the end face of sealing block 31, and hydraulic pressure continues to raise, then sealing block 31 is downward
It is mobile so that thermostatic element 32 separates with the sealing surface of sealing block 31, and current are successively through valve body 1, limited block 34, pressure release housing
36th, sealing block 31 is discharged, to reach the effect of draining pressure release.When hydraulic pressure is less than setting value, sealing block 31 is in pressure release spring 37
Moved up under effect, sealing is formed to stop pressure release draining until being bonded with the end face of thermostatic element 32 and reaching design decrement.
The antifreeze component and pressure relief device of described integrated form anti-freezing decompression valve are mechanical structure, using mechanical structure,
Realize automatic freezing-protective and self-relieving function, it is not necessary to additionally consume the energy.
The pretightning force of pressure release spring 37 and then the initial pressure release of regulation can be adjusted by being threaded with described pressure release housing 36
The pressure release adjusting nut 4 of pressure value, so as to set different initial vent pressure values according to different use environment demands, just
Used in the people of different geographical and different geographical environments.
The pretightning force of the antifreeze spring 38 is more than pressure release spring 37 so that the intake pressure of the integrated form anti-freezing decompression valve
During beyond setting value, sealing block 31 moves down and carries out draining pressure release first better than pressure release housing 36；The antifreeze spring 38
Pretightning force is less than the pressure voltage of thermostatic element 32 so that when the intake pressure of the integrated form anti-freezing decompression valve exceeds setting value, sealing
Block 31 moves down and carries out draining pressure release first better than thermostatic element 32.
The flow increasing hole 362 has multiple and is connected with centre bore 361 so that pressure release intake tunnel is big, and part adds
Work is simple.
Axial location and then regulation of the limited block 34 in valve body 1 can be adjusted initially by being threaded with the limited block 34
The antifreeze adjusting nut 39 of antifreeze temperature spot, by adjusting antifreeze adjusting nut 39, so as to adjust holddown spring 35 and antifreeze bullet
The pretightning force of spring 38, so as to set different initial antifreeze temperature spots according to different use environment demands, it is easy to differently
The people of domain and different geographical environments use.
The liquid trap 5 of water conservancy diversion can be carried out to the water of discharge by being connected with the antifreeze adjusting nut 39, on the liquid trap 5
Provided with for being connected with extension tube attached and then the discharge outlet of draining 51, so that the water of discharge can be collected preferably or even
Connect outer tube and be discharged to corresponding position, avoid causing ponding.
The push rod 33 is provided with ram seat 30, and the support level 11 being engaged with ram seat 30 is provided with the valve body 1,
The bore 301 of water channel 2 is communicated with the ram seat 30, so that realizing structure letter of the top pressure of push rod 33 on valve body 1
It is single, and it is easily installed dismounting.
Be provided with limit sliding chutes 12 in the valve body 1, the limited block 34 provided with being engaged with limit sliding chutes 12 so that
Limited block 34 can only retaining convex rib 343 in axial sliding, avoid limited block 34 from rotating；The limited block 34 and pressure release housing 36
Between be provided with can limit pressure release housing 36 rotation anti-rotation structure, the anti-rotation structure include be located inside limited block 34
Anti-rotating hole 345, and be located at the outside of pressure release housing 36 and the anti-rotation boss 363 being engaged with anti-rotating hole 345 so that pressure release shell
Body 36 slides axially without rotating against in limited block 34, so that described integrated form anti-freezing decompression valve is antifreeze
And pressure relief more stablize it is firm.
The limit sealing structure for being used for preventing that current from passing through is provided between the limited block 34 and valve body 1, it is described spacing close
Seal structure includes the first sealing ring 6 and the position limiting sealed face 13 being located on valve body 1；Between the limited block 34 and pressure release housing 36
Provided with the pressure release sealing structure for preventing current from passing through, described pressure release sealing structure includes the second sealing ring 7 and is located at
Secondary sealing area 344 on limited block 34, structural leakage of the current outside design is avoided to go out.
The thermostatic element 32 environment temperature from when being increased to 4 DEG C for 0 DEG C, enable to push rod 33 out against move away from
From more than or equal to 1mm；The thermostatic element 32, from when dropping to 0 DEG C for 10 DEG C, enables to push rod 33 relative in environment temperature
Move inward distance and be more than or equal to 1mm.
The material of sealing block 31 is ceramics, plastics or metal.
The valve body 1 is provided with the general-purpose interface 14 that can be installed on water outlet of water heater end or water outlet valve body so that described
Integrated form anti-freezing decompression valve can directly change with existing relief valve Universal joint, be not required to supernumerary structure or additional interface,
Generalization degree is high, easily assembly and disassembly.
Claims (10)
- A kind of 1. integration type anti-freezing decompression valve, it is characterised in that：Including valve body (1), the stream that supplies water is provided with the valve body (1) The water channel (2) crossed, the valve body (1) are provided with the antifreeze component that can block water channel (2), and in environment temperature less than setting temperature When spending, the antifreeze component automatically turns on water channel (2) and carries out water-drainage antifreezing, and water channel can be blocked by being additionally provided with the valve body (1) (2) pressure relief device, and when water route hydraulic pressure is higher than setting value, the pressure relief device automatically turns on water channel (2) and carries out draining Decompression.
- A kind of 2. integration type anti-freezing decompression valve according to claim 1, it is characterised in that：The antifreeze component includes Sealing block (31), it is communicated with the sealing block (31) limbers (310) of water channel (2), setting above the sealing block (31) The thermostatic element (32) of limbers (310) can be blocked by having, and push rod (33) is provided between the thermostatic element (32) and valve body (1), Described push rod (33) one end is inserted into thermostatic element (32) top, other end top pressure on valve body (1), the thermostatic element (32) Outer sheath is provided with limited block (34), and the limited block (34) is provided with the water hole (341) for supplying water and passing through, the limited block (34) Being provided between thermostatic element (32) can be by the holddown spring (35) of thermostatic element (32) up top pressure, when temperature reduces, institute The thermostatic element (32) stated is moved upwards, and when temperature raises, described thermostatic element (32) moves downward.
- A kind of 3. integration type anti-freezing decompression valve according to claim 2, it is characterised in that：In the limited block (34) Provided with pressure release housing (36) in axial sliding, the sealing block (31) being located in pressure release housing (36) in it and can be with respect to letting out Pressure shell body (36) slides axially, and the pressure release housing (36), which is provided with, can limit the centre bore (361) that thermostatic element (32) passes through, The sealing block (31) includes to pass from centre bore (361) and coordinates closure limbers (310) with thermostatic element (32) Sealing block top (311), and be limited in below centre bore (361) and the sealing of sealing formed with pressure release housing (36) side Block bottom (312), the sealing block bottom (312) is connected with can be by the pressure release spring (37) of sealing block (31) up top pressure, institute State to be provided with limited block (34) and be engaged with pressure release housing (36) so as to limit the limited step that pressure release housing (36) slides height (342), being connected with the pressure release housing (36) can be by the antifreeze spring (38) of its up top pressure.
- A kind of 4. integration type anti-freezing decompression valve according to claim 3, it is characterised in that：Described pressure relief device bag The pressure release end face (3121) being located on sealing block bottom (312) is included, and is acted on through pressure release housing (36) top and expansion The flow increasing hole (362) for entering aquaporin of water on pressure release end face (3121).
- A kind of 5. integration type anti-freezing decompression valve according to claim 4, it is characterised in that：Described pressure release housing (36) the pressure release regulation spiral shell that can be adjusted pressure release spring (37) pretightning force and then adjust initial vent pressure value is threaded with Female (4).
- A kind of 6. integration type anti-freezing decompression valve according to claim 4, it is characterised in that：The antifreeze spring (38) Pretightning force be more than pressure release spring (37), the pretightning force of the antifreeze spring (38) is less than thermostatic element (32) pressure voltage.
- A kind of 7. integration type anti-freezing decompression valve according to claim 4, it is characterised in that：The flow increasing hole (362) Have multiple and be connected with centre bore (361).
- A kind of 8. integration type anti-freezing decompression valve according to claim 3, it is characterised in that：On the limited block (34) The antifreeze tune of axial location and then regulation initial antifreeze temperature spot of the limited block (34) in valve body (1) can be adjusted by being threaded with Save nut (39).
- A kind of 9. integration type anti-freezing decompression valve according to claim 8, it is characterised in that：The antifreeze adjusting nut (39) liquid trap (5) of water conservancy diversion can be carried out to the water of discharge by being connected with, and the liquid trap (5), which is provided with, to be used to connect with extension tube attached Tap into and the discharge outlet (51) of draining.
- A kind of 10. integration type anti-freezing decompression valve according to claim 2, it is characterised in that：On the push rod (33) The support level (11) being engaged with ram seat (30), the ram seat are provided with provided with ram seat (30), in the valve body (1) (30) bore (301) of water channel (2) is communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720717303.4U CN206958334U (en) | 2017-06-19 | 2017-06-19 | Novel integrated anti-freezing pressure release valve |
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| CN201720717303.4U CN206958334U (en) | 2017-06-19 | 2017-06-19 | Novel integrated anti-freezing pressure release valve |
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| CN206958334U true CN206958334U (en) | 2018-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107035902A (en) * | 2017-06-19 | 2017-08-11 | 华帝股份有限公司 | Integrated anti-freezing pressure release valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035902A (en) * | 2017-06-19 | 2017-08-11 | 华帝股份有限公司 | Integrated anti-freezing pressure release valve |
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