CN203585472U - Spring full lift safety valve with spanner - Google Patents
Spring full lift safety valve with spanner Download PDFInfo
- Publication number
- CN203585472U CN203585472U CN201320311251.2U CN201320311251U CN203585472U CN 203585472 U CN203585472 U CN 203585472U CN 201320311251 U CN201320311251 U CN 201320311251U CN 203585472 U CN203585472 U CN 203585472U
- Authority
- CN
- China
- Prior art keywords
- valve
- spring
- seat
- gap
- lift safety
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a spring full lift safety valve with a spanner, which is characterized in that the spring full lift safety valve comprises a valve body having a cavity and a valve cover, which are buckled together; a valve rod is disposed in the cavity, and a valve seat is disposed in the valve body, corresponding to the other end of the valve cover; an upper spring seat, a lower spring seat, and a spring fixedly disposed between the upper and lower spring seat are disposed in the valve cover; The spring is disposed on the valve rod in a sleeving manner. The valve cover is provided with a hoisting rack disposed on the valve rod in a sleeving manner, a hoisting nut and a protective cover covering the valve rod, with respect to the other end of the valve body. The protective cover is provided with a wrench capable of manually unlatching the valve by cooperating with the hoisting rack and the hoisting nut. The valve rod is linked to a recoil disc and a valve clack which is fixed to the recoil disc and is connected to the valve seat in a sealing manner, corresponding to one end of the valve seat. The valve cover is provided with at least one open oval-shaped radiating mouth, with respect to the spring. The spring full lift safety valve with a spanner is advantageous in that the integral radiating capability of the valve cover is effectively improved; the mechanical performance of the spring can be maintained; the stability of the valve can be ensured.
Description
Technical field
The utility model relates to a kind of valve, is specifically related to a kind of strap wrenches spring Fall lift safety valve.
Background technique
Safety valve is a kind of automatic valve, and it utilizes the pressure of medium itself to make valve opening not by any external force, thereby discharges the medium of superpressure part, to prevent the rated pressure value of pressure Overpressure of a safety valve system, produces danger.After pressure recovers normally, flap is closed voluntarily and is stoped medium to continue to discharge under the effect of spring force.Fall lift safety valve is mainly used in the final safety protection device of the equipment such as the pipeline of nontoxic and non-flammable explosive gas or liquid medium of operating temperature≤350 ℃ and container as overpressure protection.
Because medium temperature is relatively high, and the valve gap tightness of common product is better, cause valve gap internal heat constantly to be gathered, heat dispersion is restricted again, cause being arranged on the impact that spring in valve gap is subject to high temperature, the mechanical property of spring changes, the regulating power of spring declines, cause safety valve can not guarantee sealing or open in advance, finally cause the stability of valve not high, particularly for some, be used in the Fall lift safety valve on equipment and the pipeline of the nontoxic pollution-free media such as steam, air, still have improved space.
Model utility content
The deficiency existing for prior art, the utility model provides a kind of strap wrenches spring Fall lift safety valve, this strap wrenches spring Fall lift safety valve has effectively improved the integral heat sink ability of valve gap, guarantees that the mechanical property of spring is constant, thereby has guaranteed the stability of valve.
For achieving the above object, the utility model provides following technological scheme: a kind of strap wrenches spring Fall lift safety valve, comprising is fastened and connected and forms the valve body of valve pocket and valve gap, valve pocket inside is provided with valve rod, in described valve body, the other end of corresponding valve gap is provided with valve seat, valve gap inside is provided with upper spring seat, lower spring cup and being fixedly arranged on, spring between lower spring cup, spring housing is located on valve rod, described valve gap is provided with the pulling yoke being socketed on valve rod with respect to the valve body the other end, hoisting nut and the safety cover that covers valve rod, safety cover is provided with the spanner that can coordinate pulling yoke and the manually opened valve of hoisting nut, be connected Disc holder and be fixedly arranged on Disc holder and can form the flap being tightly connected with valve seat of one end of the corresponding valve seat of described valve rod, Disc holder is arranged with guide sleeve, guide sleeve is fixedly arranged on the joint of valve body and valve gap, on described valve gap, with respect to the position of spring, be at least provided with a unlimited thermovent, described thermovent is oval.
By adopting technique scheme, when this strap wrenches spring Fall lift safety valve is for equipment such as the pipeline of nontoxic and non-flammable explosive gas or the liquid medium of operating temperature≤350 ℃ and containers during as the final safety protection device of overpressure protection, when pressure medium is during higher than Set pressure, after flap pressurized, by valve rod, promote spring and do compression movement, force flap separation with sealing surface of seat, now valve is opened and full dose discharge automatically, prevents that pressure from continuing to raise; When pressure medium is reduced to specified value, be subject to the effect of spring force, through spring seat, promote valve rod and force flap and sealing surface of seat to reset, now valve is closed automatically; Guide sleeve plays the effect of guiding to Disc holder, on valve gap, with respect to the position of spring, be at least provided with a unlimited thermovent, this thermovent is oval, when medium temperature is relatively high, this thermovent has effectively improved the heat dissipation potential of valve gap, contribute to the heat radiation of spring, make high temperature that medium brings not affect the mechanical property of spring, guarantee that safety valve sealing is reliable, can not open in advance, this strap wrenches spring Fall lift safety valve has effectively improved the integral heat sink ability of valve gap, guarantees that the mechanical property of spring is constant, thereby has guaranteed the stability of valve.
The utility model is further set to, the cylindrical structure setting of described valve gap, two radiating openings that are arranged with on described valve gap outer wall.
By adopting technique scheme, two radiating openings that are arranged with on valve gap outer wall, can dispel the heat to the heat in valve gap from both direction, have further improved the heat dispersion of safety valve.
The utility model is further set to, and described flap is integrally formed with the valve clack sealing surface being formed by stainless iron material high frequency hardening.
By adopting technique scheme, flap is integrally formed with the valve clack sealing surface being formed by stainless iron material high frequency hardening, stainless iron has good anti-corrosion capability, guaranteed that flap is not subject to the erosion of medium, utilize it not yielding under pressure medium, improve sealability, let out phenomenon before when overcoming safety valve closing on Set pressure under pressure medium, and the cost of stainless iron is relatively low; Valve clack sealing surface, through high frequency hardening processing, has effectively strengthened its hardness, wear resistance and impact resistance, improves the usability of product, economical and practical.
The utility model is further set to, and the sealing surface of described valve seat is that Hardmetal materials is made.
By adopting technique scheme, such material hardness is high, wear resistance, intensity, toughness, resistance to heat, the better performances, particularly its high hardness and wear resistance such as corrosion-resistant, meets the usability of valve seat, has increased the life cycle of valve seat.
The utility model is further set to, and described valve gap is also provided with respect to the opposite side of valve body the Adjusting bolt Adjusting screw being socketed on valve rod, and the joint of described Adjusting bolt Adjusting screw and valve gap is provided with and cap, and described Adjusting bolt Adjusting screw and upper spring seat are connected.
By adopting technique scheme, valve gap is also provided with respect to the opposite side of valve body the Adjusting bolt Adjusting screw being socketed on valve rod, Adjusting bolt Adjusting screw and upper spring seat are connected, can drive upper spring seat by Adjusting bolt Adjusting screw, adjust amount of spring compression, make the valve can be very convenient, very promptly obtain Set pressure accurately, guarantee degree of accuracy and the stability of this safety valve; The joint of Adjusting bolt Adjusting screw and valve gap is provided with and cap, prevents that Adjusting bolt Adjusting screw is loosening, further strengthens the stability of this safety valve.
The utility model is further set to, and described valve seat is connected with valve body screw thread.
By adopting technique scheme, valve seat is connected with valve body screw thread, guarantees the connection reliability of valve seat and valve body, simultaneously easy for installation.
The utility model is further set to; described safety cover is installed with connecting base; spanner is hinged by connecting base and safety cover, and pulling yoke is socketed on valve rod and is provided with the dew being placed on outside safety cover puts portion, and spanner is provided with the linkage portion being connected with the dew portion of putting of pulling yoke.
By adopting technique scheme, spanner is hinged, simple in structure by the connecting base and the safety cover that arrange on safety cover, and spanner drives pulling yoke by linkage portion, can manually opened safety valve, facilitate the Set pressure of this safety valve of regular check.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model strap wrenches spring Fall lift safety valve.
Reference character: 1, valve seat; 2, valve body; 3, flap; 4, Disc holder; 5, guide sleeve; 6, lower spring cup; 7, spring; 8, valve rod; 9, valve gap; 10, spanner; 11, Adjusting bolt Adjusting screw; 12 and cap; 13, pulling yoke; 14, hoisting nut; 15, safety cover; 16, upper spring seat; 17, connecting base; 18, linkage portion.
Embodiment
With reference to Fig. 1, the utility model strap wrenches spring Fall lift safety valve embodiment is described further.
A kind of strap wrenches 10 spring 7 Fall lift safety valves, comprising is fastened and connected and forms the valve body of valve pocket 2 and valve gap 9, valve pocket inside is provided with valve rod 8, the other end of the interior corresponding valve gap 9 of valve body 2 is provided with valve seat 1, valve gap 9 inside are provided with upper spring seat 16, lower spring cup 6 and being fixedly arranged on, spring 7 between lower spring cup 6, spring 7 is set on valve rod 8, valve gap 9 is provided with the pulling yoke 13 being socketed on valve rod 8 with respect to valve body 2 the other ends, hoisting nut 14 and the safety cover 15 that covers valve rod 8, safety cover 15 is provided with the spanner 10 that can coordinate pulling yoke 13 and hoisting nut 14 manually opened valves, be connected Disc holder 4 and be fixedly arranged on Disc holder 4 and can form the flap 3 being tightly connected with valve seat 1 of one end of the corresponding valve seat 1 of valve rod 8, Disc holder 4 is arranged with guide sleeve 5, guide sleeve 5 is fixedly arranged on the joint of valve body 2 and valve gap 9, on valve gap 9, with respect to the position of spring 7, be at least provided with a unlimited thermovent, described thermovent is oval.
By adopting technique scheme, when these strap wrenches 10 spring 7 Fall lift safety valves are for equipment such as the pipeline of nontoxic and non-flammable explosive gas or the liquid medium of operating temperature≤350 ℃ and containers during as the final safety protection device of overpressure protection, when pressure medium is during higher than Set pressure, after flap 3 pressurizeds, by valve rod 8, promote spring 7 and do compression movement, force flap 3 separation with valve seat 1 sealing surface, now valve is opened and full dose discharge automatically, prevent that pressure from continuing to raise, in pressure release, medium can produce a large amount of heat energy, when pressure medium is reduced to specified value, be subject to the effect of spring 7 power, through 7, spring, promote valve rod 8 and force flap 3 and valve seat 1 sealing surface to reset, now valve is closed automatically, guide sleeve 5 plays the effect of guiding to Disc holder 4, on valve gap 9, with respect to the position of spring 7, be at least provided with a unlimited thermovent, this thermovent is oval, when medium temperature is relatively high, this thermovent has effectively improved the heat dissipation potential of valve gap 9, can well the dissipation of heat in valve be gone out, contribute to the heat radiation of spring 7, make high temperature that medium brings not affect the mechanical property of spring 7, guarantee that safety valve sealing is reliable, can not open in advance, these strap wrenches 10 spring 7 Fall lift safety valves have effectively improved the integral heat sink ability of valve gap 9, the mechanical property of guaranteeing spring 7 is constant, thereby guaranteed the stability of valve.
The cylindrical structure setting of described valve gap 9, two radiating openings that are arranged with on described valve gap outer wall.
By adopting technique scheme, two radiating openings that are arranged with on described valve gap 9 outer walls, dispel the heat to the heat in valve gap 9 from both direction, have further improved the heat dispersion of safety valve.
Described flap 3 is integrally formed with the valve clack sealing surface being formed by stainless iron material high frequency hardening.
By adopting technique scheme, flap 3 is integrally formed with the valve clack sealing surface being formed by stainless iron material high frequency hardening, stainless iron has good anti-corrosion capability, guaranteed that flap 3 is not subject to the erosion of medium, utilize its distortion difficult under pressure medium, improve sealability, let out phenomenon before when overcoming safety valve closing on Set pressure under pressure medium, and the cost of stainless iron is relatively low; Flap 3 sealing surfaces, through high frequency hardening processing, have effectively strengthened its hardness, wear resistance and impact resistance, improve the usability of product, economical and practical.
The sealing surface of described valve seat 1 is that Hardmetal materials is made.
By adopting technique scheme, the sealing surface of valve seat 1 is that Hardmetal materials is made, such material hardness is high, wear resistance, intensity, toughness, resistance to heat, the better performances such as corrosion-resistant, particularly its high hardness and wear resistance, meet the usability of valve seat 1, increased the life cycle of valve seat 1.
Described valve gap 9 is also provided with the Adjusting bolt Adjusting screw 11 being socketed on valve rod 8 with respect to the opposite side of valve body 2, described Adjusting bolt Adjusting screw 11 is provided with and cap 12 with the joint of valve gap 9, and described Adjusting bolt Adjusting screw 11 is connected with upper spring seat 16.
By adopting technique scheme, valve gap 9 is also provided with the Adjusting bolt Adjusting screw 11 being socketed on valve rod 8 with respect to the opposite side of valve body 2, Adjusting bolt Adjusting screw 11 is connected with upper spring seat 16, can drive upper spring seat 16 by Adjusting bolt Adjusting screw 11, adjust spring 7 decrements, make the valve can be very convenient, very promptly obtain Set pressure accurately, guarantee degree of accuracy and the stability of this safety valve; Adjusting bolt Adjusting screw 11 is provided with and cap 12 with the joint of valve gap 9, prevents that Adjusting bolt Adjusting screw 11 is loosening, further strengthens the stability of this safety valve.
Described valve seat 1 is threaded with valve body 2.
By adopting technique scheme, valve seat 1 is threaded with valve body 2, guarantees the connection reliability of valve seat 1 and valve body 2, simultaneously easy for installation.
Described safety cover 15 is installed with connecting base 17; spanner 10 is hinged by connecting base 17 and safety cover 15; pulling yoke 13 is socketed on valve rod 8 and is provided with the dew being placed on outside safety cover 15 puts portion, and spanner 10 is provided with the linkage portion 18 being connected with the dew portion of putting of pulling yoke 13.
By adopting technique scheme, spanner 10 is hinged, simple in structure with safety cover 15 by the connecting base 17 arranging on safety cover 15, and spanner 10 drives pulling yoke 13 by linkage portion 18, can manually opened safety valve, facilitate the Set pressure of this safety valve of regular check.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a strap wrenches spring Fall lift safety valve, it is characterized in that: comprising is fastened and connected and forms the valve body of valve pocket and valve gap, valve pocket inside is provided with valve rod, in described valve body, the other end of corresponding valve gap is provided with valve seat, valve gap inside is provided with upper spring seat, lower spring cup and being fixedly arranged on, spring between lower spring cup, spring housing is located on valve rod, described valve gap is provided with the pulling yoke being socketed on valve rod with respect to the valve body the other end, hoisting nut and the safety cover that covers valve rod, safety cover is provided with the spanner that can coordinate pulling yoke and the manually opened valve of hoisting nut, be connected Disc holder and be fixedly arranged on Disc holder and can form the flap being tightly connected with valve seat of one end of the corresponding valve seat of described valve rod, Disc holder is arranged with guide sleeve, guide sleeve is fixedly arranged on the joint of valve body and valve gap, on described valve gap, with respect to the position of spring, be at least provided with a unlimited thermovent, described thermovent is oval.
2. a kind of strap wrenches spring Fall lift safety valve according to claim 1, is characterized in that: the cylindrical structure setting of described valve gap, two radiating openings that are arranged with on described valve gap outer wall.
3. a kind of strap wrenches spring Fall lift safety valve according to claim 1 and 2, is characterized in that: described flap is integrally formed with the valve clack sealing surface being formed by stainless iron material high frequency hardening.
4. a kind of strap wrenches spring Fall lift safety valve according to claim 3, is characterized in that: the sealing surface of described valve seat is that Hardmetal materials is made.
5. a kind of strap wrenches spring Fall lift safety valve according to claim 4, it is characterized in that: described valve gap is also provided with respect to the opposite side of valve body the Adjusting bolt Adjusting screw being socketed on valve rod, the joint of described Adjusting bolt Adjusting screw and valve gap is provided with and cap, and described Adjusting bolt Adjusting screw and upper spring seat are connected.
6. a kind of strap wrenches spring Fall lift safety valve according to claim 5, is characterized in that: described valve seat is connected with valve body screw thread.
7. a kind of strap wrenches spring Fall lift safety valve according to claim 6; it is characterized in that: described safety cover is installed with connecting base; spanner is hinged by connecting base and safety cover; pulling yoke is socketed on valve rod and is provided with the dew being placed on outside safety cover puts portion, and spanner is provided with the linkage portion being connected with the dew portion of putting of pulling yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320311251.2U CN203585472U (en) | 2013-05-31 | 2013-05-31 | Spring full lift safety valve with spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320311251.2U CN203585472U (en) | 2013-05-31 | 2013-05-31 | Spring full lift safety valve with spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585472U true CN203585472U (en) | 2014-05-07 |
Family
ID=50583391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320311251.2U Expired - Fee Related CN203585472U (en) | 2013-05-31 | 2013-05-31 | Spring full lift safety valve with spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585472U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180033A (en) * | 2014-08-01 | 2014-12-03 | 浙江恒华阀门有限公司 | Piston balanced type pressure releasing valve |
| CN105626918A (en) * | 2016-03-28 | 2016-06-01 | 浙江恒华阀门有限公司 | High-performance spring full-opening type safe valve |
| CN107218420A (en) * | 2017-08-07 | 2017-09-29 | 太仓斯普宁精密机械有限公司 | A kind of lifting safety valve safety valve |
| CN108533806A (en) * | 2018-04-27 | 2018-09-14 | 林明 | A kind of Petroleum Production classification safety valve |
| CN109595372A (en) * | 2018-12-19 | 2019-04-09 | 陕西科技大学 | A kind of valve body safety cap of manual adjusting |
| CN109707881A (en) * | 2018-12-17 | 2019-05-03 | 陕西科技大学 | A kind of spring spool |
-
2013
- 2013-05-31 CN CN201320311251.2U patent/CN203585472U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180033A (en) * | 2014-08-01 | 2014-12-03 | 浙江恒华阀门有限公司 | Piston balanced type pressure releasing valve |
| CN105626918A (en) * | 2016-03-28 | 2016-06-01 | 浙江恒华阀门有限公司 | High-performance spring full-opening type safe valve |
| CN107218420A (en) * | 2017-08-07 | 2017-09-29 | 太仓斯普宁精密机械有限公司 | A kind of lifting safety valve safety valve |
| CN108533806A (en) * | 2018-04-27 | 2018-09-14 | 林明 | A kind of Petroleum Production classification safety valve |
| CN108533806B (en) * | 2018-04-27 | 2019-06-14 | 良工泵阀股份有限公司 | A kind of Petroleum Production classification safety valve |
| CN109707881A (en) * | 2018-12-17 | 2019-05-03 | 陕西科技大学 | A kind of spring spool |
| CN109595372A (en) * | 2018-12-19 | 2019-04-09 | 陕西科技大学 | A kind of valve body safety cap of manual adjusting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203585472U (en) | Spring full lift safety valve with spanner | |
| CN203906919U (en) | An explosion venting valve | |
| CN202402735U (en) | Safety valve convenient to overhaul | |
| CN103672011A (en) | Cryogenic top entry type fireproof ball valve with composite heat dissipation disc valve cover | |
| CN207261749U (en) | A kind of self-relieving shut-off valve | |
| CN206539746U (en) | A kind of spring loaded safe valve of energy sediment prevention intrusion | |
| CN207454852U (en) | A kind of double-direction relief valve | |
| CN203309246U (en) | Spring fall lift closed safety valve with wrench | |
| CN202746691U (en) | Safety valve for ships | |
| CN105465392B (en) | A kind of valve of quick response | |
| CN203309237U (en) | Corrugated pipe back-pressure balanced full-lift safety valve | |
| CN203023560U (en) | Pressure relief valve | |
| CN203594821U (en) | Top-mounted fireproof copious-cooling ball valve with composite heat-dissipation disc valve deck | |
| CN205937888U (en) | Balanced type case structure of low temperature governing valve | |
| CN205078906U (en) | Novel ball valve | |
| CN203309247U (en) | Spring full lift safety valve | |
| CN205745360U (en) | A kind of hydrogen regulator | |
| CN201445341U (en) | Overpressure protection float valve for pressure cooker | |
| CN206221756U (en) | A kind of power station double-gate plate valve | |
| CN205896251U (en) | High temperature ball valve that floats sealed firmly | |
| CN203131055U (en) | Mining gas butterfly valve | |
| CN204922107U (en) | A rising -down check valve for reation kettle conveying pipeline way | |
| CN209414712U (en) | Cabin vacuum valve pressure adjustable preset structure | |
| CN209385743U (en) | A kind of constant pressure valve | |
| CN208651722U (en) | Inner safety-valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yongjia Dong'ou County of Wenzhou City, Zhejiang province 325000 streets and village Patentee after: Henghua Valve Co. Ltd. Address before: Yongjia Dong'ou County of Wenzhou City, Zhejiang province 325000 streets and village Patentee before: Zhejiang Heng Hua valve Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20210531 |