CN205618756U - Relief valve with adjustable - Google Patents
Relief valve with adjustable Download PDFInfo
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- CN205618756U CN205618756U CN201520878180.3U CN201520878180U CN205618756U CN 205618756 U CN205618756 U CN 205618756U CN 201520878180 U CN201520878180 U CN 201520878180U CN 205618756 U CN205618756 U CN 205618756U
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Abstract
The utility model relates to a relief valve with adjustable, it is by the valve body, the activity valve gap, it is sealed vice, swing span and universal ball journal assembly are constituteed, removable cover links together through universal ball journal assembly and swing span, movable valve gap swing flexibility has improved, the sealed vice tightness ability of closing between movable valve gap and the valve body has been guaranteed, be equipped with two -way adjustable weight locating place on the swing span, can reach pressure -fired or the automatic pressure release of opening of malleation through quality and the weight position of adjusting two -way adjustable weight, thereby avoid the occurence of failure that threatens equipment and personal safety because of malleation that the system produced arouses, the utility model discloses can deal with the multiple unusual situation that gas medium such as pressure system high temperature flue gas in service, air, dirt gas appear, like system power interruption, draught fan sudden failure and bring to rest, operation or other reasons cause the system to appear the malleation in the twinkling of an eye and open pressure release etc. Characteristics such as it has simple structure, the reaction is sensitive, the action is reliable, pressure parameter is adjustable, can use repeatedly under the high temperature condition.
Description
[technical field]
This utility model relates to the safety equipment in industrial pipeline pressure system to protection equipment and pipeline; valve technology field is belonged to particularly to a kind of decompression anti-explosion device; particularly relate to a kind of high-temperature flue gas, air, dust and gas tubing prevent from require during system malfunctions high-temperature flue gas, air, dust and gas are carried out fast pressure relief, thus the accident jeopardizing equipment and personal safety avoiding the malleation produced because of system to cause occurs.
[background technology]
Existing pressure-relief anti-explosion valve, such as the gravity explosion proof door of regulation in " thermal power plant cigarette wind pulverized coal channel parts modular design handbook ", it seals to make explosion proof door be covered in gas outlet by gravity, general employing rubber is as encapsulant, can only use under room temperature state, gravity door can only be opened under barotropic condition, and the remolding sensitivity opening pressure is poor；Inclined-plane explosion proof door and circular explosion proof door, owing to burst disk is disposable products, it is required for after pressure release changing burst disk every time, use more inconvenience, after pressure release, a large amount of media leak, using under room temperature state, simultaneously because waste incineration disposing technique and other special process, the pressure in its equipment and pipeline is all negative pressure when properly functioning.When system occurs that non-normal working situation is internal and produces normal pressure, often relief valve also has little time to open and the most leads to serious consequence.The additionally technical scheme disclosed in patent document of Publication No. CN 203230897U " pressure-relief valve in refuse burning system ", use and drive pivot pin displacement to solenoid signal, movable valve gap is opened, its movable valve gap can not be automatically switched off after opening, what system emitted after producing malleation is high-temperature flue gas, easily burns driving means and electromagnetic valve.
[utility model content]
The deficiency existed for prior art, goal of the invention of the present utility model be to overcome deficiencies of the prior art and provide a kind of simple in construction, reaction sensitivity height, reliable in action, automatically recovery, pressure parameter is adjustable, can the adjustable relief valve of Reusability in the case of a high temperature.
For achieving the above object, this utility model provides following technical scheme: adjustable relief valve, it includes that valve body and adjustable counter balance, described valve body are provided with upper valve base and support；Described upper valve base is provided with sealing pair；Described sealing pair is made up of bottom sealing socket and upper seal support；Described bottom sealing socket is fixed on upper valve base；Described upper seal support is fixed on moving valve lid；Described movable valve gap is installed together with multi-directional ball axle by bolt；Described multi-directional ball axle assembly is made up of ball axle, upper fixing body and lower fixing body, described ball axle is provided with lower sphere and stud shaft, lower sphere is installed together with lower fixing body by described upper fixing body by screw, described stud shaft is through the installing hole on swing span, it is fixed on swing span by locking nut, being provided with sliding axle in described axle sleeve, swing span is fixed on the support of bearing by described sliding axle by bearing, and the described support of bearing is fixed on support；Regulation counterweight it is furnished with on described swing span.
The present invention is further arranged to: described bottom sealing socket is that convex seal is triangular in shape；Described upper seal support is that recessed seal groove is corresponding with convex seal triangle, is provided with groove in recessed seal groove.
The present invention is further arranged to: be provided with refractory insulating layer in described valve body, and described valve body is provided with leading truck and is limited in leading truck by the directive wheel on swing span.
The present invention is further arranged to: described movable valve gap is made up of cover plate, flame retardant coating and thermal insulation layer.
The present invention is further arranged to: be provided with refractory insulating layer in described valve body, and described valve body is provided with leading truck and the directive wheel on swing span limits corresponding range of movement.
The present invention is further arranged to: is provided with in the upper fixing body described in recessed ball in described lower fixing body and is provided with fovea superior ball；The described lower sphere on ball axle does corresponding movable in being arranged on recessed ball and fovea superior ball.
Technical solution of the present invention is rational in infrastructure, change tradition relief valve and use burst disk or rubber sealing structure, innovate removable cover to be taken through special multi-directional ball axle assembly with swing span and be connected, improve movable valve gap flexible swinging, ensure that effective sealing property when the sealing pair between movable valve gap and valve body is closed, on swing span, it is provided with two-ways regulation weight putting position simultaneously, can by adjust two-way weight quality and weight position reaches pressure-fired or malleation automatically turns on pressure release, thus the accident jeopardizing equipment and personal safety avoiding the malleation produced because of system to cause occurs；It has simple in construction, be quick on the draw, reliable in action, pressure parameter are adjustable, can the feature such as use in the case of a high temperature.
The each relevant details of the present invention is further described below in conjunction with accompanying drawing.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the B-B sectional view of Fig. 1；
Fig. 3 is the multi-directional ball axle assembly structural representation in invention；
Fig. 4 is partial enlarged drawing at the A of sealing pair in Fig. 1；
Fig. 5 is the swing span structural representation in this utility model；
nullLabel in figure: 1-valve body、2-activity valve gap、3-sealing pair、4-swing span、5-multi-directional ball axle assembly、6-leading truck、7-locking nut、8-bolt、9-adjusts screw rod、The 10-support of bearing、11-sliding axle、12-regulates counterweight、13-nut、14-bearing、1.1-support、1.2-upper valve base、1.3-refractory insulating layer、2.1-cover plate、2.2-flame retardant coating、2.3-thermal insulation layer、3.1-bottom sealing socket、The most convex seal、3.2-upper seal support、The most recessed seal groove、3.2.2-groove、4.1-stud、4.2-axle sleeve、Screw in 4.3-、4.4-installing hole、4.5-erects stud、4.6-side screw、4.7-directive wheel、5.1-ball axle、5.2-screw、Fixing body under 5.3-、The upper fixing body of 5.4-、The most recessed ball、5.4.1-fovea superior ball，5.1.1-lower sphere、5.1.2-stud shaft.
[detailed description of the invention]
As shown in Figures 1 to 5, adjustable relief valve, it includes that valve body 1 and adjustable counter balance 12, described valve body 1 are provided with upper valve base 1.2 and support 1.1；Described upper valve base 1.2 is provided with sealing pair 3；Described sealing pair 3 is made up of bottom sealing socket 3.1 and upper seal support 3.2；Described bottom sealing socket 3.1 is fixed on upper valve base 1.2, and described upper seal support 3.2 is fixed on movable valve gap 2；Described movable valve gap 2 is installed together with multi-directional ball axle assembly 5 by bolt 8；Described multi-directional ball axle assembly 5 is made up of ball axle 5.1, upper fixing body 5.4 and lower fixing body 5.3；Described ball axle 5.1 is provided with lower sphere 5.1.1 and stud shaft 5.1.2；Lower fixing body 5.3 is installed together with lower sphere 5.1.1 by described upper fixing body 5.4 by screw 5.2；Described stud shaft 5.1.2, through the installing hole 4.4 on swing span 4, is fixed on swing span 4 by locking nut 7；Described swing span 4 is provided with axle sleeve 4.2；Being provided with sliding axle 11 in described axle sleeve 4.2, swing span 4 is fixed on the support of bearing 10 by described sliding axle 11 by bearing 14；The described support of bearing 10 is fixed on support 1.1；Regulation counterweight 12 it is furnished with on described swing span 4.
As Figure 1 and Figure 4, described bottom sealing socket 3.1 is that convex seal 3.1.1 is triangular in shape；Described upper seal support 3.2 be recessed seal groove 3.2.1 be recessed triangle, it coincide with convex seal 3.1.1 triangle, it is provided with groove 3.2.2 in recessed seal groove 3.2.1, owing to upper-lower seal seat uses corresponding triangle body shape can reach to closely cooperate, it is provided with groove 3.2.2 in the most recessed seal groove 3.2.1 to serve differential pressure and seal and prevent the root of convex seal 3.1.1 and the recessed seal groove 3.2.1 on bottom sealing socket 3.1 from withstanding, reaches sealing pair 3 and press tighter and tighter purpose.
As shown in Figure 1, shown in Figure 5, described swing span 4 is provided with stud 4.1, axle sleeve 4.2, middle screw 4.3, installing hole 4.4, perpendicular stud 4.5, side screw 4.6, directive wheel 4.7；Described middle screw 4.3 and side screw 4.6 are provided with adjustment screw rod 9, make movable valve gap 2 steadily can play sealing function by identical with the bottom sealing socket 3.1 on valve body for upper seal support 3.2 when closed by adjusting screw rod 9, movable valve gap 2 can also be made after sealing pair 3 coincide to leave certain amount of freely swinging simultaneously, guarantee that sealing pair 3 is not interfered at the action of gravity lower stress of swing span 4, all it is delivered to by multi-directional ball axle assembly 5 on the center of movable valve gap 5 due to the quality on swing span 4, to reach optimal sealing effectiveness；When system properly functioning in negative pressure state time, it needs pressure-fired to open, and regulation weight 12 quantity as required can be locked on stud 4.1 by nut 13, now erect and do not set regulation weight 12 on stud 4.5；When system properly functioning at barotropic state time, it opens pressure far above normally using pressure, under the maximum working pressure (MWP) that normally can use according to system, weight required on swing span 4 is calculated than pressure computing formula by mechanical seal end surface, again regulation weight 12 quantity as required is fixed on perpendicular stud 4.5, now on stud 4.1, does not set regulation weight 12.
As it is shown in figure 1, described movable valve gap 2 is made up of cover plate 2.1, flame retardant coating 2.2 and thermal insulation layer 2.3, reaches heat insulation and resistance to fire action and improve the use temperature of removable cover 2.
As it is shown in figure 1, be provided with refractory insulating layer 1.3 in described valve body 1, reach heat insulation and resistance to fire action and improve the use temperature of valve body 1；Described valve body 1 is provided with leading truck 6 and is limited in leading truck 6 by the directive wheel 4.7 on swing span 4, is limited in scope of design and swings, and prevents that movable valve gap 2 opening angle is excessive causes the fault that can not automatically recover to occur.
As shown in Figure 1, Figure 3, it is provided with recessed ball 5.3.1 in described lower fixing body 5.3, in described upper fixing body 5.4, is provided with fovea superior ball 5.4.1；Described lower sphere 5.1.1 does corresponding swing in a small amount in being arranged on recessed ball 5.3.1 and fovea superior ball 5.4.1 assembly, guarantee that ball axle 5.1 has the purpose that freely swings in a small amount in upper fixing body 5.4 and lower fixing body 5.3, described lower fixing body 5.3 is arranged on the middle part of movable valve gap 2, makes the active force that ball axle 5.1 transmits in the center of movable valve gap 2.
Claims (6)
- The most adjustable relief valve, it includes valve body (1) and adjustable counter balance (12), it is characterised in that: valve body (1) is provided with upper valve base (1.2) and support (1.1)；Described upper valve base (1.2) is provided with sealing pair (3)；Described sealing pair (3) is made up of bottom sealing socket (3.1) and upper seal support (3.2)；Described bottom sealing socket (3.1) is fixed on upper valve base (1.2)；Described upper seal support (3.2) is fixed on movable valve gap (2)；Described movable valve gap (2) is installed together with multi-directional ball axle assembly (5) by bolt (8)；Described multi-directional ball axle assembly (5) is made up of ball axle (5.1), upper fixing body (5.4) and lower fixing body (5.3)；Described ball axle (5.1) is provided with lower sphere (5.1.1) and stud shaft (5.1.2)；Lower fixing body (5.3) is installed together with lower sphere (5.1.1) by described upper fixing body (5.4) by screw (5.2)；Described stud shaft (5.1.2), through the installing hole (4.4) on swing span (4), is fixed on swing span (4) by locking nut (7)；Described swing span (4) is provided with axle sleeve (4.2)；Being provided with sliding axle (11) in described axle sleeve (4.2), swing span (4) is fixed on the support of bearing (10) by described sliding axle (11) by bearing (14)；The described support of bearing (10) is fixed on support (1.1)；It is furnished with regulation counterweight (12) on described swing span (4).
- Adjustable relief valve the most according to claim 1, it is characterised in that: described bottom sealing socket (3.1) is that convex seal (3.1.1) is triangular in shape；Described upper seal support (3.2) be recessed seal groove (3.2.1) in recessed triangle, with convex seal (3.1.1) triangle coincide, in recessed seal groove (3.2.1), be provided with groove (3.2.2).
- Adjustable relief valve the most according to claim 1, it is characterised in that: described swing span (4) is provided with stud (4.1), axle sleeve (4.2), middle screw (4.3), installing hole (4.4), perpendicular stud (4.5), side screw (4.6), directive wheel (4.7).
- Adjustable relief valve the most according to claim 1, it is characterised in that: described movable valve gap (2) is made up of cover plate (2.1), flame retardant coating (2.2) and thermal insulation layer (2.3).
- Adjustable relief valve the most according to claim 1, it is characterised in that: it is provided with refractory insulating layer (1.3) in described valve body (1)；Described valve body (1) is provided with leading truck (6) and is limited in by the directive wheel (4.7) on swing span (4) in leading truck (6).
- Adjustable relief valve the most according to claim 1, it is characterised in that: it is provided with recessed ball (5.3.1) in described lower fixing body (5.3)；It is provided with fovea superior ball (5.4.1) in described upper fixing body (5.4)；Described lower sphere (5.1.1) does corresponding swing in a small amount in being arranged on recessed ball (5.3.1) and fovea superior ball (5.4.1) assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878180.3U CN205618756U (en) | 2015-10-31 | 2015-10-31 | Relief valve with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878180.3U CN205618756U (en) | 2015-10-31 | 2015-10-31 | Relief valve with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618756U true CN205618756U (en) | 2016-10-05 |
Family
ID=57033093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520878180.3U Active CN205618756U (en) | 2015-10-31 | 2015-10-31 | Relief valve with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333188A (en) * | 2015-10-31 | 2016-02-17 | 瑞安市阀门一厂 | Adjustable pressure release valve |
-
2015
- 2015-10-31 CN CN201520878180.3U patent/CN205618756U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333188A (en) * | 2015-10-31 | 2016-02-17 | 瑞安市阀门一厂 | Adjustable pressure release valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |