CN205859327U - Thermostatic type relief valve - Google Patents
Thermostatic type relief valve Download PDFInfo
- Publication number
- CN205859327U CN205859327U CN201620755781.XU CN201620755781U CN205859327U CN 205859327 U CN205859327 U CN 205859327U CN 201620755781 U CN201620755781 U CN 201620755781U CN 205859327 U CN205859327 U CN 205859327U
- Authority
- CN
- China
- Prior art keywords
- valve
- diaphragm
- valve body
- export
- core assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Safety Valves (AREA)
Abstract
nullThe utility model discloses a kind of thermostatic type relief valve，Relate to a kind of pipeline valve being applied to carry out pressure release in hot water for life pipe-line system，Its structure includes valve body、Valve gap and diaphragm valve core assembly etc.，This valve body has entrance point、The port of export and be arranged on into、Valve seat between the port of export，This diaphragm valve core assembly be used for controlling into、The keying of the port of export，Its technical characteristic disclosed is to have additional temperature sensor on diaphragm valve core assembly，And make the lower end of temperature sensor stretch out valve body entrance point to expose，Therefore when entrance point temperature is too high，This temperature sensor promote diaphragm valve core assembly depart from valve seat and open into、The port of export，The temperature achieving relief valve controls pressure release，And make relief valve possess good temperature persistance and regulation performance，Pressure release can also be controlled by pressure change simultaneously，Pressure and temperature double-direction control pressure release，Use safer，Also there is reasonable in design，The advantages such as production cost is low.
Description
Technical field
This utility model relates to a kind of valve mechanism in hot water tube system, specifically refers to thermostatic type relief valve.
Background technology
Relief valve is mainly used on the storage tank of hot water for life pipe-line system, and it can be come by the form of release pressure
Pressure raises or temperature is too high and cause gasification phenomenon when adding thermal expansion to avoid hot water, prevents from causing storage tank to damage and draw
Play security incident.At present, traditional relief valve uses diaphragm type structure mostly, by the medium to valve body entrance point and the port of export
Pressure ratio relatively controls being turned on and off of valve, and when the pressure medium of entrance point is too high, then valve opening carries out pressure release work
Industry, thus protect pipe-line system.But, this relief valve can only be controlled pressure release for the pressure change in system pipeline,
And pressure release can not be controlled according to the variations in temperature of medium.Therefore, for the defect existing for existing relief valve and deficiency, if
Count a kind of reasonable in design, production cost low and possess temperature to control the thermostatic type relief valve of pressure relief capability to be that extremely have must
Want.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art to provide a kind of production cost
Low, reasonable in design, temperature persistance and regulate thermostatic type relief valve of good performance.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of thermostatic type relief valve, including the entrance point interconnected in valve body, valve body and the port of export, be arranged on into and out of
Valve seat between mouth end contacts the diaphragm valve core assembly of valve seat with elastic packing, and described diaphragm valve core assembly is installed temperature
Degree sensor, the lower end of this temperature sensor is stretched out entrance point and is exposed, and when entrance point temperature is too high, this temperature sensor pushes away
Dynamic diaphragm formula core assembly departs from valve seat and opens import and export end.
Described entrance point is provided with male connection, and the lower end of described temperature sensor is stretched out male connection and exposed.
Described diaphragm valve core assembly includes telescopic flap and is coated on the telescopic film of telescopic flap outer surface
Sheet, this telescopic diaphragm lower end is in sealing contact with described valve seat, and telescopic diaphragm upper end closed is connected to body top；Described
Telescopic flap in install pressure spring, the upper end pushing installation of this pressure spring making lifting moving regulation spring base
On.
Described body top is provided with valve gap, and described spring base is threaded in valve gap, and lifts in valve gap
Mobile regulation.
Described body top is provided with interior shoulder, and this interior shoulder is provided with a ring groove, and described telescopic diaphragm upper end is provided with
Flange, this flange is provided with the ring muscle being inlaid in described annular groove, and described valve gap is connected to body top, and by described sleeve
The flange top of formula diaphragm is pressed on described interior shoulder.
Described telescopic flap is provided with valve rod, and spring base is stretched out in this valve rod upper end activity.
Described valve gap is provided with hard-wired protecting cover, and this protecting cover was provided with for leading to that described valve rod upper end activity passes
Hole.
Described protecting cover top is provided with the dust cap closing through hole.
Described valve body is angie type structure, and described entrance point is arranged on body base, and the port of export is arranged on valve body-side.
Compared with prior art, this utility model is mainly for controlling increasing on the diaphragm valve core assembly of valve opening and closing
It is provided with temperature sensor, and makes the lower end of temperature sensor stretch out valve body entrance point to expose, therefore when entrance point temperature is too high, should
Temperature sensor promotes diaphragm valve core assembly depart from valve seat and open import and export end, it is achieved that the temperature of relief valve controls to let out
Pressure, and make relief valve possess good temperature persistance and regulation performance, the relief valve after improvement can either be changed by pressure
Controlling pressure release, can control pressure release by variations in temperature again, double-direction control uses safer, but also has structure design and close
Reason, the advantages such as production cost is low.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the sectional structure schematic diagram of valve body.
Fig. 3 is the sectional structure schematic diagram of telescopic diaphragm.
Detailed description of the invention
By above-mentioned accompanying drawing, this utility model embodiment will be elaborated again below.
As shown in Fig. 1 ~ Fig. 3,1. temperature sensor, 2. male connection, 3. valve body, 31. entrance points, 32. ports of export,
33. valve seats, shoulders in 34., 35. annular grooves, 4. diaphragm valve core assembly, 41. telescopic flaps, 42. split washers, 43. telescopic
Diaphragm, 431. flange, 432. ring muscle, 44. valve rods, 45. pressure springs, 46. spring bases, 5. valve gap, 6. protecting cover, 61. through holes, 7.
Dust cap.
Thermostatic type relief valve, is mainly used in hot water for life pipe-line system as it is shown in figure 1, it is one and can lead to
Excess pressure change and variations in temperature realize the pipeline valve of double-direction control pressure release, and its structure includes valve body 3, valve gap 5, diaphragm valve
Core assembly 4 etc..
Wherein, valve body 3 is set to angie type structure as shown in Figure 2, has the valve pocket of " ┣ " type connection in it；Under described valve pocket
Being provided with entrance point 31 bottom end, i.e. valve body 3, the mode that is threaded connection in this entrance point connects male connection 2, then import
End 31 can be connected with the water inlet end of hot water tube system by male connection 2, to realize relief valve water inlet；Described valve pocket
Side, i.e. valve body 3 sidepiece are provided with the port of export 32, set female thread connector in this port of export, can be with the water outlet of hot water tube system
End is connected, to realize relief valve water outlet.
Described import and export end is interconnected, and is provided with in entrance point 31 and is positioned at below the port of export 32 horizontal level
Valve seat 33, this valve seat is that a circle makees the sealing male structure of annular projection along entrance point 31 inwall, and valve seat 33 is one with valve body 3
The conjoined structure of secondary property casting.
Described diaphragm valve core assembly 4 is arranged on above valve seat 33, and it includes upper end open, lower end closed, cross section
In the telescopic flap 41 of " U " type, and it is coated on telescopic flap outer surface and cross section also in the telescopic diaphragm of " U " type
43；Described telescopic flap 41 and the lower end of telescopic diaphragm 43 are formed a fixed connection relation by split washer 42, and
When diaphragm valve core assembly 4 closes valve seat 33, the lower end of this telescopic diaphragm 43 is in sealing contact with valve seat 33 composition；Described set
Cartridge type diaphragm 43 upper end is provided with the flange 431 that a circle the most outwards turns down, and is provided with a ring muscle at flange lower peripheral
432；Meanwhile, valve body 3 top is provided with interior shoulder 34, and this interior shoulder is provided with a ring groove 35, is embedded in by the ring muscle 432 on flange 431
In this annular groove 35, flange 431 top is pressed on interior shoulder 34, now by valve gap 5 lower end then connected by valve body 3 screw top
Telescopic diaphragm 43 upper end can be closed and be connected to valve body 3 top.
Installing pressure spring 45 in described telescopic flap 41, the upper end pushing installation of this pressure spring is at a screw thread even
It is connected on the spring base 46 in valve gap 5, then the lifting moving regulation that spring base is converted into by threads turn in valve gap 5
Time, just can regulate the elastic force of pressure spring 45 according to actual needs, and then also reach the specified vent pressure of control valve
Effect.
Being also equipped with valve rod 44 in described telescopic flap 41, this valve rod lower end is fixedly connected on telescopic flap 41
On, upper end activity enters, after passing spring base 46, the protecting cover 6 being positioned at valve gap 5 top；Described protecting cover and valve gap make screw thread even
Connect fixing, protecting cover 6 needs arrange and be available for the through hole 61 that valve rod 44 upper end activity passes, then protecting cover 6 top need to arrange dust cap 7 and uses
In closing through hole 61, to prevent the impurity such as dust from entering.
Described diaphragm valve core assembly 4 is provided with temperature sensor 1, specifically temperature sensor is vertically arranged in film
Below chip core assembly 4, the upper end of this temperature sensor 1 is fixedly connected on the telescopic flap 41 of diaphragm valve core assembly 4
On, lower end is stretched out male connection 2 and is exposed, and is provided with temperature-sensing wax as temperature-sensing element in temperature sensor 1.
When this utility model is in the normal state, diaphragm valve core assembly 4 is made to be in sealing contact valve seat by pressure spring 45 pushing tow
On 33, valve is closed, and when the pressure medium of entrance point 31 is more than the port of export 32, medium can promote diaphragm type spool
Assembly 4 departs from valve seat 33, and import and export end communicates, and valve realizes pressure release；Or when the medium temperature of entrance point 31 is too high, then temperature
Temperature-sensing wax expanded by heating in sensor 1 and promote diaphragm valve core assembly 4 to depart from valve seat 33, then valve also can realize pressure release；
Additionally, rotating missile spring abutment 46 makes it make lifting moving, just can regulate the pushing tow elastic force of pressure spring 45, thus reach regulation valve
The purpose of the specified vent pressure of door.
The above is only specific embodiment of the utility model, it should be appreciated by those skilled in the art that any and this reality
Execute the structure design of example equivalent, within should be included in protection domain of the present utility model.
Claims (9)
1. a thermostatic type relief valve, including the entrance point (31) interconnected in valve body (3), valve body and the port of export (32), sets
Putting the valve seat between import and export end (33) and contact the diaphragm valve core assembly (4) of valve seat (33) with elastic packing, its feature exists
In the upper mounting temperature sensor (1) of described diaphragm valve core assembly (4), entrance point (31) is stretched out in the lower end of this temperature sensor
Expose, and when entrance point temperature is too high, this temperature sensor (1) promote diaphragm valve core assembly (4) depart from valve seat (33) and
Open import and export end.
Thermostatic type relief valve the most according to claim 1, it is characterised in that described entrance point (31) is provided with external screw thread and connects
Head (2), the lower end of described temperature sensor (1) is stretched out male connection (2) and is exposed.
Thermostatic type relief valve the most according to claim 1, it is characterised in that described diaphragm valve core assembly (4) includes set
Cartridge type flap (41) and be coated on the telescopic diaphragm (43) of telescopic flap outer surface, this telescopic diaphragm lower end and described valve
Seat (33) is in sealing contact, and telescopic diaphragm (43) upper end closed is connected to valve body (3) top；Described telescopic flap (41)
Interior installation pressure spring (45), the upper end pushing installation of this pressure spring is on the spring base (46) making lifting moving regulation.
Thermostatic type relief valve the most according to claim 3, it is characterised in that described valve body (3) top is provided with valve gap (5),
Described spring base (46) is threaded in valve gap (5), and makees lifting moving regulation in valve gap (5).
Thermostatic type relief valve the most according to claim 4, it is characterised in that described valve body (3) top is provided with interior shoulder
(34), this interior shoulder is provided with a ring groove (35), and described telescopic diaphragm (43) upper end is provided with flange (431), on this flange
Being provided with the ring muscle (432) being inlaid in described annular groove (35), described valve gap (5) is connected to valve body (3) top, and by described set
Flange (431) top of cartridge type diaphragm (43) is pressed on described interior shoulder (34).
Thermostatic type relief valve the most according to claim 4, it is characterised in that described telescopic flap (41) is provided with valve
Bar (44), spring base (46) is stretched out in this valve rod upper end activity.
Thermostatic type relief valve the most according to claim 6, it is characterised in that described valve gap (5) is provided with hard-wired
Protecting cover (6), this protecting cover is provided with the through hole (61) passed for described valve rod (44) upper end activity.
Thermostatic type relief valve the most according to claim 7, it is characterised in that described protecting cover (6) top is provided with closing through hole
(61) dust cap (7).
Thermostatic type relief valve the most according to claim 1, it is characterised in that described valve body (3) is angie type structure, described
Entrance point (31) be arranged on valve body (3) bottom, the port of export (32) is arranged on valve body (3) sidepiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620755781.XU CN205859327U (en) | 2016-07-19 | 2016-07-19 | Thermostatic type relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620755781.XU CN205859327U (en) | 2016-07-19 | 2016-07-19 | Thermostatic type relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859327U true CN205859327U (en) | 2017-01-04 |
Family
ID=57648086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620755781.XU Active CN205859327U (en) | 2016-07-19 | 2016-07-19 | Thermostatic type relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286621A (en) * | 2018-02-12 | 2018-07-17 | 中国北方车辆研究所 | A kind of normally closed thermal sensitive overflow valve |
-
2016
- 2016-07-19 CN CN201620755781.XU patent/CN205859327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286621A (en) * | 2018-02-12 | 2018-07-17 | 中国北方车辆研究所 | A kind of normally closed thermal sensitive overflow valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205859327U (en) | Thermostatic type relief valve | |
| CN204201208U (en) | A kind of water yield flow automatic regulation sensor and constant temp gas water heater | |
| CN102679031A (en) | Temperature control valve capable of being cleaned and maintained on line | |
| CN204284618U (en) | A kind of top row's formula outlet valve | |
| CN107120528A (en) | A kind of integrated cylinder valve of novel high-pressure gas storage | |
| CN203571136U (en) | Self-cooling high pressure steam safety valve | |
| CN201363450Y (en) | Fuel gas safety valve | |
| CN205978678U (en) | It is two by gas constant pressure valve | |
| CN206206745U (en) | The flexi-mortgage device of temperature-sensing valve | |
| CN205401858U (en) | Main steam safety valve | |
| CN206708726U (en) | A kind of novel high-pressure gas storage integrates cylinder valve | |
| CN102678971A (en) | Differential pressure temperature control valve | |
| CN202927131U (en) | Automatic constant temperature three-way steam heat valve | |
| CN202659910U (en) | Three-way constant-temperature temperature control valve | |
| CN203463774U (en) | Temperature control valve | |
| CN209146394U (en) | A kind of thermostatic valve | |
| CN205479552U (en) | Vacuum negative pressure relief valve | |
| CN208793082U (en) | Automotive electronics assembly of thermostat | |
| CN207080662U (en) | Combustion gas high-pressure and overflowing stop valve | |
| CN206386538U (en) | A kind of high-voltage safety diffusion valve | |
| CN204512521U (en) | Temperature control pipeline valve | |
| CN204943660U (en) | The built-in water by-pass valve body of forward type | |
| CN208417719U (en) | Automatic temperature control valve | |
| CN202756711U (en) | Pressure reduction and stabilization valve | |
| CN202992307U (en) | Differential pressure balance valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |