CN203836562U - Lever floating ball drain valve - Google Patents
Lever floating ball drain valve Download PDFInfo
- Publication number
- CN203836562U CN203836562U CN201420370793.1U CN201420370793U CN203836562U CN 203836562 U CN203836562 U CN 203836562U CN 201420370793 U CN201420370793 U CN 201420370793U CN 203836562 U CN203836562 U CN 203836562U
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- CN
- China
- Prior art keywords
- valve
- floating ball
- lever
- ball float
- valve body
- 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
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- Float Valves (AREA)
Abstract
The utility model provides a lever floating ball drain valve. The lever floating ball drain valve comprises a valve body, a valve cover, a floating ball arranged in a cavity enclosed by the valve body and the valve cover, a lever, an upper valve seat, an upper valve clack, a lower valve seat, a lower valve clack, and a valve clack connecting rod for connecting the upper valve clack with the lower valve clack, wherein a vent valve is arranged on the valve cover; steam is condensed into water after flowing into the valve body through the vent valve, thus the water level in the valve body rises and the floating ball rises; the floating ball is used for driving the valve clack connecting rod to open the upper valve clack and the lower valve clack through the lever in order to drain condensed water; when the water level falls, the floating ball falls, the valve clack connecting rod is pulled, the upper valve clack and the lower valve clack are closed, and the drain valve is closed; the floating ball has a flat top structure; a sealing hole is formed in the upper portion of the valve body; a sealing scale capable of sliding is arranged in the sealing hole; the sealing scale slides down under the action of deadweight and slides up under the action of the floating ball in order to mark the height of the floating ball. By adopting the drain valve, the lifting size of the floating ball can be displayed intuitively; in case of air plugging, a pull ring can be pulled to drive the sealing scale and the floating ball to rise in order to drain the condensed water.
Description
Technical field
The utility model relates to a kind of drain valve, relates in particular to a kind of lever floating ball type draining valve.
Background technique
Automatic steam trap Trap is for steam heating equipment and steam line, can automatically get rid of steam and use condensed water, air and other the incoagulable gas in e-quipment and pipe, and can prevent the automatic valve of steam leakage.Steam is widely used in industrial production and living facilities, no matter at the pipeline system of steam, still utilize that steam heats, is dried, the technique such as insulation, sterilization, boiling, concentrated, heat exchange, heating, air-conditioning, the condensed water producing in process all needs to get rid of by Automatic steam trap Trap, and does not allow steam leakage.Automatic steam trap Trap has various hydrophobic mode, some is the variation (as mechanical type) of induction density and moving, some is the variation of temperature sensor and the discharge of moving, and some is the static pressure of hot condensed water itself and the variation of dynamic pressure and the induction switch being subject to by them.Drain valve worldwide, is divided by working principle at present, mainly contains three major types mechanical-type drain valve, thermostatic Automatic steam trap Trap, heat power Automatic steam trap Trap (disc type steam trap).Mechanical-type also claims float-type, is the density difference that utilizes water of condensation and steam, by water of condensation liquid level, changes, and makes float lifting drive flap open or close, and reaches block steam and drain water object.The Subcoold temperature of mechanical-type drain valve is little, is not subject to the impact of working pressure and temperature variation, has water to arrange, and water not in heating plant, can make heating plant reach best heat exchange efficiency.Maximum Rate of back pressure is 80%, and workmanship is high, is the optimal drain valve of production technology heating plant.Mechanical-type drain valve has free floating ball type, free half float-ball type, lever float ball type, reverse bucket type etc., wherein, the ball float of lever floating ball type draining valve connects lever drives valve core, switch valve is carried out in liquid level lifting with water of condensation, utilize double-valve-seat to increase water of condensation discharge capacity, can reach volume small displacement large, maximum hydrophobic amount reaches 100 tons/hour, is the optimal drain valve of large-scale heating plant.
Application lever floating ball type draining valve carries out in the process of water of condensation eliminating, and the lifting size of ball float is invisible in valve gap, and drain valve there will be gas block up phenomenon, on water of condensation efficiently, stably eliminating work causes definitely affects.
Model utility content
The utility model embodiment provides a kind of lever floating ball type draining valve, it comprises: valve body, valve gap and be placed in described valve body and described valve gap closed cavity in ball float, lever, upper valve base, upper flap, lower valve base, lower Disc and the flap connecting rod that connects described upper flap and described lower Disc, on described valve gap, be provided with bleed valve, steam flows into water of condensation after described valve body by described bleed valve, water level in described valve body is raise, described ball float rises, described ball float is by flap connecting rod described in described lever pushing, described upper flap and described lower Disc are opened, thereby water of condensation is discharged, water level declines, described ball float also declines, pull described flap connecting rod, thereby make described upper flap and described lower Disc close drain valve, it is characterized in that: described ball float is flat-head type structure, described valve body top is provided with closed hole, in described closed hole, be provided with and slidably seal scale, described sealing scale glides by self gravitation effect, by sliding on described ball float active force, thereby indicate described ball float height.
According to another aspect of the present utility model, described ball float is connected by tightrope with described sealing scale lower end, and described sealing scale upper end is provided with draw ring.
According to another aspect of the present utility model, directly over described closed hole, be provided with detachable transparent cover, the height of described transparent cover is not less than described sealing scale by the sliding height that exceeds described valve body on described closed hole.
According to another aspect of the present utility model, the bottom width of described sealing scale is greater than the diameter of described closed hole.
Technique scheme has following beneficial effect: because adopt lever floating ball type draining valve of the present utility model, can intuitively show by sealing scale the lifting size of ball float; When drain valve occurs that gas blocks up, lift drawing clitellum motive sealing scale and the ball float that connects by tightrope with it rises, thereby make that flap and lower Disc are opened, water of condensation is discharged.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to the structural representation of the lever floating ball type draining valve of a mode of execution of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is according to the structural representation of the lever floating ball type draining valve of a mode of execution of the present utility model.As seen from the figure, the lever floating ball type draining valve that the utility model embodiment provides comprises: valve body 101, valve gap 102 and be placed in valve body 101 with ball float 103, lever 104, upper valve base 105, upper flap 107, lower valve base 106, lower Disc 108 in valve gap 102 closed cavities and be connected flap 107 and the flap connecting rod 109 of lower Disc 108.Lever floating ball type draining valve adopts double-valve-seat (upper valve base 105, lower valve base 106), increases water of condensation discharge capacity, has advantages of that volume is little, discharge capacity is large.Upper valve base 105 and lower valve base 106 all, under ball float 103 floats liquid level, form water seal protection, without steam leakage.On valve gap 102, be provided with bleed valve 110, steam flows into the rear water of condensation of valve body 101 by bleed valve 110, and the water level in valve body 101 is raise, ball float 103 rises, ball float 103 promotes flap connecting rod 109 by lever 104, flap 107 and lower Disc 108 are opened, thereby water of condensation is discharged, water level declines, ball float 103 also declines, and pulls flap connecting rod 109, when ball float 103 is positioned under condensation water level, thereby make flap 107 and lower Disc 108 close drain valve, form water seal.Valve body 101 is entity sealings, whether arrives condensation water level or ball float 103 lifting height state of changing can not be intuitively visible.According to an embodiment of the present utility model, ball float 103 is set to flat-head type structure, valve body 101 tops are provided with closed hole 111, in closed hole 111, be provided with and slidably seal scale 112, sealing scale 112 glides by self gravitation effect, by sliding on ball float 103 active forces, thereby indicate ball float 103 variable height situations.For guarantee the downslide of sealing scale 112 in closed hole 111, on the tightness of sliding unobstructed and whole lever floating ball type draining valve, the place installation sliding ring contacting with sealing scale 112 at the inwall of closed hole 111.Thereby the top that reaches closed hole 111 for sliding on the bottom that prevents from sealing scale 112 is under the effect of water of condensation departs from valve body 101, and the width of the bottom of sealing scale 112 is set to be greater than the diameter of closed hole 111.
According to an embodiment of the present utility model, ball float 103 is connected by tightrope 103 with sealing scale 112 lower ends, and sealing scale 112 upper ends are provided with draw ring 114.In the effect float downward process of ball float 103 in water of condensation, there is gas and block up while not opening in upper flap 107 and lower Disc 108 " sticky dead ", water of condensation cannot flow out, now can be by lifting draw ring 114 with sliding on motive sealing scale 112 and the ball float 103 that connects by tightrope 103, thereby drive lever 104 to promote flap connecting rod 109, flap 107 and lower Disc 108 are opened, and water of condensation is discharged.
According to an embodiment of the present utility model, directly over closed hole 111, be provided with detachable transparent cover 115, for the protection of sealing scale 112, in the time of also can intuitively showing cunning, downslide simultaneously, seal scale 112 scales and change.There is gas and block up while not opening in upper flap 107 and lower Disc 108 " sticky dead ", can open transparent cover 115 and lift draw ring 114.The height of transparent cover 115 is not less than sealing scale 112 by the sliding height that exceeds valve body 101 on closed hole 111.Transparent cover 115 can be made of a variety of materials, as glass, rubber, resin etc.
Above-described embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the foregoing is only embodiment of the present utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.In addition, the utility model claims are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.
Claims (4)
1. a lever floating ball type draining valve, it comprises valve body, valve gap and be placed in described valve body and described valve gap closed cavity in ball float, lever, upper valve base, upper flap, lower valve base, lower Disc and the flap connecting rod that connects described upper flap and described lower Disc, on described valve gap, be provided with bleed valve, steam condenses into water after flowing into described valve body by described bleed valve, water level in described valve body is raise, described ball float rises, described ball float is by flap connecting rod described in described lever pushing, described upper flap and described lower Disc are opened, thereby water of condensation is discharged, water level declines, described ball float also declines, pull described flap connecting rod, thereby make described upper flap and described lower Disc close drain valve, it is characterized in that: described ball float is flat-head type structure, described valve body top is provided with closed hole, in described closed hole, be provided with and slidably seal scale, described sealing scale glides by self gravitation effect, by sliding on described ball float active force, thereby indicate described ball float height.
2. lever floating ball type draining valve as claimed in claim 1, is characterized in that: described ball float is connected by tightrope with described sealing scale lower end, and described sealing scale upper end is provided with draw ring.
3. lever floating ball type draining valve as claimed in claim 1, is characterized in that: directly over described closed hole, be provided with detachable transparent cover, the height of described transparent cover is not less than described sealing scale by the sliding height that exceeds described valve body on described closed hole.
4. lever floating ball type draining valve as claimed in claim 1, is characterized in that: the bottom width of described sealing scale is greater than the diameter of described closed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370793.1U CN203836562U (en) | 2014-04-30 | 2014-07-07 | Lever floating ball drain valve |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216805 | 2014-04-30 | ||
| CN201420216805.5 | 2014-04-30 | ||
| CN201420370793.1U CN203836562U (en) | 2014-04-30 | 2014-07-07 | Lever floating ball drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836562U true CN203836562U (en) | 2014-09-17 |
Family
ID=51514403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420370793.1U Expired - Fee Related CN203836562U (en) | 2014-04-30 | 2014-07-07 | Lever floating ball drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061981A (en) * | 2017-04-21 | 2017-08-18 | 湖州职业技术学院 | A kind of pilot-operated type steam trap valve |
| CN113405014A (en) * | 2021-06-25 | 2021-09-17 | 华能秦煤瑞金发电有限责任公司 | Novel drain valve |
-
2014
- 2014-07-07 CN CN201420370793.1U patent/CN203836562U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061981A (en) * | 2017-04-21 | 2017-08-18 | 湖州职业技术学院 | A kind of pilot-operated type steam trap valve |
| CN107061981B (en) * | 2017-04-21 | 2023-11-17 | 湖州职业技术学院 | Pilot-operated steam trap |
| CN113405014A (en) * | 2021-06-25 | 2021-09-17 | 华能秦煤瑞金发电有限责任公司 | Novel drain valve |
| CN113405014B (en) * | 2021-06-25 | 2022-12-27 | 华能秦煤瑞金发电有限责任公司 | Drain valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20200707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |