CN205118641U - Steam lever floater trap - Google Patents
Steam lever floater trap Download PDFInfo
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- CN205118641U CN205118641U CN201520786042.2U CN201520786042U CN205118641U CN 205118641 U CN205118641 U CN 205118641U CN 201520786042 U CN201520786042 U CN 201520786042U CN 205118641 U CN205118641 U CN 205118641U
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Abstract
The utility model relates to a steam lever floater trap, its characterized in that: the valve body is equipped with into, export and well flange face, and the valve body top is equipped with the valve gap, is equipped with floater subassembly and exhaust apparatus in the valve gap, and on floater subassembly and exhaust apparatus were fixed in the well flange face of valve body respectively, exhaust apparatus lay in the top of floater subassembly, is equipped with the case in the valve body, and is continuous through the lever between case and the floater subassembly, the well flange face of valve body is quincunx structure, advances, exports to lie in same straight line, is equipped with the baffle between advancing, exporting. The utility model discloses a reform transform the inside export runner of valve body for the casting runner of originally embedded complicacy becomes simple machine tooling structure, has solved impurity and has blocked, and the great problem of flow resistance makes the ordinary sand casting of foundry goods become the casting of accurate ludox simultaneously, and the physical and chemical properties and the surface accuracy of valve body are improved greatly. Make the high reduction of well flange of valve body about half, lightened valve body weight, practiced thrift the cost.
Description
Technical field
The utility model relates to the technical field of valve pipe, specifically a kind of steam lever and floating drain valve.
Background technique
Lever floating ball type draining valve is in steam pipe system and equipment, automatically can discharge water of condensation, air and other incondensable gas, and stop the valve of steam leakage.
The great advantage of lever float ball type steam drain valve be not stressed, the impact of temperature, condensate flow fluctuation, continuous drainage, and valve seat orifice is below water of condensation water level, form water seal, water, vapour natural separation, reach without steam leakage.Therefore this valve is widely used in industrial steam heating plant, and various large-scale heat exchanger and dryer, chuck pot etc., be applied to the workplace of condensed water huge discharge especially.
But there is following defect in the flange-type lever and floating Automatic steam trap Trap of prior art in application practice: (1) due to valve flowing channel chamber be cast structure, bend is many, and flow resistance is large, and easily blocks, the flow of this influential system to a certain extent.Meanwhile, in bend, the impurity of cumulative utilizes for twice equipment to bring potential safety hazard can to downstream hot water.Flow passage chamber complicated in addition, returns casting and brings inconvenience, and not only the physicochemical property of foundry goods and surface quality decrease, and embedded flow passage chamber, the difficulty that its sand removal is suitable.(2) identification information of the Automatic steam trap Trap of existing the type is unreasonable imperfect in expression.Valve body is not reserved as the mounting point of nameplate, and mark mainly concentrates on the gusset face between valve body two runner body, and size little Yi is blocked by middle flange, makes the identification of identification information more difficult with reading, makes troubles to installation and maintenance.
Shortcoming (particularly 1) intrinsic above limits the using scope of this valve, especially inapplicable for occasions such as the nuclear power medicine that safety requirement is higher.Therefore how to improve valve flowing channel cavity configuration, strengthen the resolution of valve mark, the raising drainage performance of drain valve and the castability of valve body are the problems that engineers and technicians need solve.
Summary of the invention
The purpose of this utility model is the steam lever and floating drain valve providing a kind of improvement, and it can overcome, and runner hole in prior art is complicated, casting difficulty is large and the some shortcomings of impeded drainage.
To achieve these goals, the technical solution of the utility model is: a kind of steam lever and floating drain valve, it mainly comprises valve body and valve gap, it is characterized in that: valve body is provided with inlet/outlet and middle flanged surface, is provided with valve gap above valve body, is provided with floating ball component and venting gas appliance in valve gap, floating ball component and venting gas appliance are individually fixed on the middle flanged surface of valve body, venting gas appliance is positioned at the top of floating ball component, is provided with spool in valve body, is connected between spool with floating ball component by lever; The middle flanged surface of valve body is plum-shaped structure, and inlet/outlet is located along the same line, and is provided with dividing plate between inlet/outlet.
Further, described dividing plate is connected with middle flanged surface, import throughway valve cover cavity, and in the angle of 50 degree between outlet and dividing plate, one end of outlet is connected along dividing plate with import, and the other end of outlet is the trapezoidal cavity that opening amplifies; The uniform tapped hole of middle flanged surface periphery, middle part is provided with drain opening and relief opening, and relief opening is positioned at above drain opening, and tapped hole is connected with trapezoidal cavity.
During use, the utility model is by the outlet flow of transformation valve inner, make the casting runner of originally embedded complexity, become simple machined structures, solve impurity to block, the problem that flow resistance is larger, make foundry goods ordinary sand casting become the casting of accurate Ludox, physicochemical property and the surface accuracy of valve body are greatly enhanced simultaneously.Due to the improvement of structure, about also making the middle flange height reduction half of valve body, alleviate valve weight, saved cost.Another by the Curve guide impeller to valve gap, add label boss and supporting foot and improve identification information, making the I&M of valve become simple and convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the structure for amplifying schematic diagram in A portion in Fig. 1.
Fig. 3 is valve body structure schematic diagram of the present utility model.
Fig. 4 is valve cover structure schematic diagram of the present utility model.
Fig. 5 is the another structural representation of valve gap of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
The label of each accompanying drawing is expressed as follows:
Flanged surface in flange connect face, 14 rectangle nameplate boss, 15 semilune supporting foots, 16 sluicing tapped holes, 17 in 1 valve body, 2 bonnet gaskets, 3 valve gaps, 4 levers, 5 drain bolts, 6 ball floats, 7 attachment bolt 8 venting gas appliance, 9 supports, 10 bearing pins, 11 valve seats, 12 spools, 13,18 dovetails support, 19 stiffening ribs.
A kind of steam lever and floating drain valve described in the utility model, it mainly comprises valve body and valve gap, its difference with the prior art is: valve body is provided with inlet/outlet and middle flanged surface, valve gap is provided with above valve body, be provided with floating ball component and venting gas appliance in valve gap, floating ball component and venting gas appliance are individually fixed on the middle flanged surface of valve body, and venting gas appliance is positioned at the top of floating ball component, be provided with spool in valve body, be connected by lever between spool with floating ball component; The middle flanged surface of valve body is plum-shaped structure, and inlet/outlet is located along the same line, and is provided with dividing plate between inlet/outlet.
Described dividing plate is connected with middle flanged surface, import throughway valve cover cavity, and in the angle of 50 degree between outlet and dividing plate, one end of outlet is connected along dividing plate with import, and the other end of outlet is the trapezoidal cavity that opening amplifies; The uniform tapped hole of middle flanged surface periphery, middle part is provided with drain opening and relief opening, and relief opening is positioned at above drain opening, and tapped hole is connected with trapezoidal cavity.
Described outlet forms runner in valve body, and the outer wall in the middle part of valve body is provided with symmetrically arranged one group of cylindrical dovetail and supports, and form the angle of chamfer of 68 degree between described dovetail support with runner, the below of runner outer wall is provided with stiffening rib.Valve gap be provided with corresponding with valve body in flange connect face, middle flange connect face is quincunx, the uniform connection tapped hole of periphery in middle flange connect face, and valve gap rear portion is cylindrical vertical cavity, is made up of upper and lower 2 spherical crowns and middle part cylinder connection.
Described floating ball component comprises ball float, and ball float is stainless steel hollow ball, and spheroid is that two hemispheres is welded; Described regulations and parameters is stainless steel lath, is bent into Z-type, lever one end welding ball float, the other end welding ball-type spool.
Specifically, valve body 1 is provided with import and export, top is provided with valve gap 3, valve body 1 valve gap 3 is connected by bolt 8, floating ball component and venting gas appliance 6 is provided with in valve gap 3, floating ball component and venting gas appliance 8 are individually fixed on the middle flanged surface of valve body, and venting gas appliance 8 is positioned at the top of floating ball component, and ball float 6 is placed in the cylindrical body vertical cavity (as Fig. 1) of valve gap 3 afterbody.
Further, described floating ball lever assembly comprises ball float 6, regulations and parameters 7, spool 12, support 9, bearing pin 10 and valve seat 11, ball float 6 is stainless steel hollow ball, regulations and parameters 7 is stainless steel lath, be bent into Z-type, lever 7 one end welding ball float 6, the other end welding ball-type spool 12, there is the hanger type fulcrum orifice plate of 90 ° of bendings at middle part.Lever 7 is fixed on support, rotates around alignment pin 10, makes spool 12 and valve seat 11 linear sealing.Valve seat 11 is positioned at mid-stent, by being screwed on valve body 1 flanged surface, and its drain opening and outlet passage straight-through (as Fig. 2).
Further, described valve body 1 is made up of the quincunx flange of left and right cylindrical flange and centre and runner cavity, import and export are located along the same line, centre is provided with dividing plate, import throughway valve cover cavity, outlet is amplified along 50 ° obliquely at partition position runner, forms the trapezoidal transition chamber that opening amplifies gradually, and keeps a flange wall thickness with middle flanged surface.Draining and exhaust outlet can directly in valve body, flanged surface be holed, and lead directly to adapter cavity, form runner A.And existing valve body 1, an embedded quincunx cavity only having to export below middle flange, draining and exhaust outlet through the multiple tracks bending of embedded cavity, will reach outlet, form runner B.
This design, makes the casting runner of originally embedded complexity, becomes simple machined structures, solve impurity to block, the problem that flow resistance is larger, make foundry goods ordinary sand casting become the casting of accurate Ludox, physicochemical property and the surface accuracy of valve body are greatly enhanced simultaneously.Due to the improvement of structure, about also making the middle flange height reduction half of valve body 1, alleviate valve weight, saved cost.
Further, in described valve gap 3, flange connect face is quincunx, the uniform connection tapped hole of periphery, is cylindrical vertical cavity after flange connect face, is made up of upper and lower 2 spherical crowns and middle part cylindrical body.Valve gap front cylinder surface there are the mark D such as trade mark bore pressure material, middle and upper part, the back side is provided with rectangle nameplate boss, after have sign C be installed, top spherical crown is provided with cylindrical connection boss for subsequent use, spherical crown is provided with semilune supporting foot below, is provided with sluicing tapped hole before supporting foot.Such design makes the mark of valve and performance parameter read very convenient, contributes to installation and maintenance.
During enforcement, when drain valve valve just starts, incoagulable cryogenic gas in the rapid removal system of automatic-discharging device of air 8, after steam and heat setting bear water and enter, valve cavity temperature is along with rising, and air-discharging device 8 is closed automatically, ball float 6 is elevated according to the change of condensation water level, drive lever 4 to rotate around bearing pin 10, and then open spool 12, continuous blow-down water of condensation.When water of condensation stops entering, ball float 6 declines by deadweight, orders about lever 4 and is with movable valve plug 12 to close drain valve seat 11 hole.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that the utility model is specifically implemented to be confined to these explanations above-mentioned.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. a steam lever and floating drain valve, it mainly comprises valve body and valve gap, it is characterized in that: valve body is provided with inlet/outlet and middle flanged surface, valve gap is provided with above valve body, be provided with floating ball component and venting gas appliance in valve gap, floating ball component and venting gas appliance are individually fixed on the middle flanged surface of valve body, and venting gas appliance is positioned at the top of floating ball component, be provided with spool in valve body, be connected by lever between spool with floating ball component;
The middle flanged surface of valve body is plum-shaped structure, and inlet/outlet is located along the same line, and is provided with dividing plate between inlet/outlet.
2. a kind of steam lever and floating drain valve according to claim 1, it is characterized in that: described dividing plate is connected with middle flanged surface, import throughway valve cover cavity, in the angle of 50 degree between outlet and dividing plate, one end of outlet is connected along dividing plate with import, and the other end of outlet is the trapezoidal cavity that opening amplifies;
The uniform tapped hole of middle flanged surface periphery, middle part is provided with drain opening and relief opening, and relief opening is positioned at above drain opening, and tapped hole is connected with trapezoidal cavity.
3. a kind of steam lever and floating drain valve according to claim 1, it is characterized in that: described outlet forms runner in valve body, outer wall in the middle part of valve body is provided with symmetrically arranged one group of cylindrical dovetail and supports, form the angle of chamfer of 68 degree between described dovetail support with runner, the below of runner outer wall is provided with stiffening rib.
4. a kind of steam lever and floating drain valve according to claim 1, it is characterized in that: valve gap be provided with corresponding with valve body in flange connect face, middle flange connect face is quincunx, the uniform connection tapped hole of periphery in middle flange connect face, valve gap rear portion is cylindrical vertical cavity, is made up of upper and lower 2 spherical crowns and middle part cylinder connection.
5. a kind of steam lever and floating drain valve according to claim 1, it is characterized in that: described floating ball component comprises ball float, ball float is stainless steel hollow ball, and spheroid is that two hemispheres is welded;
Described regulations and parameters is stainless steel lath, is bent into Z-type, lever one end welding ball float, the other end welding ball-type spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786042.2U CN205118641U (en) | 2015-10-12 | 2015-10-12 | Steam lever floater trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786042.2U CN205118641U (en) | 2015-10-12 | 2015-10-12 | Steam lever floater trap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205118641U true CN205118641U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520786042.2U Active CN205118641U (en) | 2015-10-12 | 2015-10-12 | Steam lever floater trap |
Country Status (1)
| Country | Link |
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| CN (1) | CN205118641U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864626A (en) * | 2016-04-29 | 2016-08-17 | 潘豪杰 | Drain valve |
| CN109442074A (en) * | 2019-01-09 | 2019-03-08 | 任丘市瑞华星水暖器材有限公司 | A kind of new construction of exhaust valve |
| CN110566800A (en) * | 2019-10-17 | 2019-12-13 | 荆门市中金铝业铸造有限公司 | Lever floating ball type drain valve with piston exhaust device |
-
2015
- 2015-10-12 CN CN201520786042.2U patent/CN205118641U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864626A (en) * | 2016-04-29 | 2016-08-17 | 潘豪杰 | Drain valve |
| CN109442074A (en) * | 2019-01-09 | 2019-03-08 | 任丘市瑞华星水暖器材有限公司 | A kind of new construction of exhaust valve |
| CN110566800A (en) * | 2019-10-17 | 2019-12-13 | 荆门市中金铝业铸造有限公司 | Lever floating ball type drain valve with piston exhaust device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201799 No. 199 Qing Road, Shanghai Industrial Zone, Qingpu Patentee after: Shanghai aiweike valve Limited by Share Ltd Address before: 201700, No. 199, Tuo Qing Road, Qingpu District, Shanghai Patentee before: Shanghai Aiweike Valve Manufacturing Co., Ltd. |
|
| CP03 | Change of name, title or address |