CN105202209A - Inorganic-machining vacuum evanescent mode cast telescopic gate valve - Google Patents
Inorganic-machining vacuum evanescent mode cast telescopic gate valve Download PDFInfo
- Publication number
- CN105202209A CN105202209A CN201510617494.2A CN201510617494A CN105202209A CN 105202209 A CN105202209 A CN 105202209A CN 201510617494 A CN201510617494 A CN 201510617494A CN 105202209 A CN105202209 A CN 105202209A
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- China
- Prior art keywords
- valve
- valve body
- locknut
- mode
- valve rod
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention relates to an inorganic-machining vacuum evanescent mode cast telescopic gate valve. A valve cover is fixedly installed at the upper end of a valve body in a sealed mode, a wedge disc is installed in the middle of the valve body in a guiding mode, a valve rod is fixedly installed at the upper end of the middle of the wedge disc and extends upwards out of the valve cover, a lock nut is installed coaxially in the middle of the valve rod in an engaged mode and coaxially embedded into the upper end of the valve cover, and a middle connection nut and a pressing nut are sequentially installed on the part, at the upper end of the lock nut, of the valve rod in a sleeving mode and fixedly installed on the valve cover in a locked mode. Telescopic joints are installed at the two ends of a flowing channel of the valve body respectively, one end of the inner side of each telescopic joint penetrates into the valve body in a coaxial mode, the telescopic joints are sleeved with pressing ring flanges connected with the valve body in a sealed mode, and pressing ring seal gaskets are pressed between the parts, on the inner sides of the pressing ring flanges, of the valve body and the telescopic joints in a sleeving mode. The valve cover can be formed in a one-off cast mode, flange connection is not needed at the valve rod, the requirement for raw materials is lowered, the manufacturing technology is simple, manufacturing technology time is effectively shortened, and working efficiency is improved.
Description
Technical field
The invention belongs to valve field, especially a kind of without machining founding casing with vacuum Telescopic gate valve.
Background technique
At present, the valve products such as the gate valve that market is sold, stop valve, normally adopt sand casting, wax casting, Reform of Resin Sand Casting, precoated sand manufacture technics, the manufacturing procedure of its technique is numerous and diverse, and reject rate is high, and power consumption is large, required professional and technical personnel is many, and investment occupied fund is many.The key fitment casting of current gate valve is use exceedingly high stove to machine substantially, and pollute for soil, air and water source, valve manufacture does not all jump out the casting method of these highly energy-consumings for many years.
And in existing technique, the joint of valve gap and valve rod all needs machining, and coordinate Flange joint could by valve rod positioning and locking, technique be comparatively complicated, and require high to raw material, worker duration, working efficiency is lower.
The distance of existing gate valve body both sides is fixing, often needs to add Flange joint in addition when installing in the duct, makes installation technology complicated, is not easy to on-the-spot adjustment.
Through retrieval, find the technology of publication of following near field:
A kind of two-way telescopic soft sealing gate valve (CN201651496U), it comprises valve body and is positioned at the spool of valve body, it is characterized in that two ends outlet and the entrance inner chamber of described valve body are connected with telescopic pipe, telescopic pipe is sleeved on the two ends of valve body, telescopic pipe can be moved forward and backward along valve end, telescopic pipe and valve body two ends liquid sealing, two exterior edge faces of telescopic pipe are connected with flange.The present invention from can telescopic adjustment, without the need to slip joint with the use of, therefore improve the efficiency of installation and removal, reduce user cost.
A kind of gate valve (CN204372208U), comprise valve body, the first annular boss and the second annular boss is provided with in described valve body, described valve body is connected with bonnet, locking cap is connected with in bonnet, the screw mandrel of through bonnet is connected with in described bonnet, bonnet is connected with the pressure cap for fixing screw mandrel, filler is provided with between pressure cap and bonnet, liquid storage cavity volume is left between filler and bonnet, the 3rd annular boss with the first annular groove adaptation is provided with in the middle part of described screw mandrel outer wall, one end of described screw mandrel is connected with flashboard, the other end is connected with handwheel, described screw mandrel is also connected with the jam nut for fixing handwheel.Structure of the present invention is simple, practical.
Comparative analysis, there is bigger difference in the technological scheme of above public technology and present patent application, and the effect reached is not identical yet.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, provide that a kind of structure is simple, rationally distributed, good reliability, be easy to safeguard without machining founding casing with vacuum Telescopic gate valve.
The present invention solves its technical problem and takes following technological scheme to realize:
A kind of without machining founding casing with vacuum Telescopic gate valve, it is characterized in that: comprise valve body, valve gap, flashboard, valve rod, locknut, in meet mother, pressure is female, slip joint and trim ring flange, the sealing of valve body upper end is fixed with valve gap, the runner of lateral direction penetrating is shaped with in valve body, in the middle part of valve body, guiding is provided with one for blocking the flashboard of runner, in the middle part of flashboard, upper end is fixed with valve rod, valve rod protrudes upward valve gap, in the middle part of valve rod, coaxial engagement is provided with a locknut, locknut is coaxially inlaid in valve gap upper end, the valve rod of locknut upper end connects in being set with successively female and pressure mother, meet mother in this and press female all valve gaps to be fixedly mounted with locking,
All be provided with a slip joint at the runner two ends of valve body, the inner opposite end of slip joint coaxially penetrates in valve body, is set with the trim ring flange be connected with valve seal outside this slip joint, the valve body inside trim ring flange and between slip joint clamping sleeve trim ring sealing gasket is housed.
And the concrete locking mechanism of locknut is: the outer middle side part symmetry of locknut is shaped with card ear, card ear is inlaid in the made bayonet socket of valve gap upper end inwall; Locknut top is also shaped with pin-and-hole, is fixed with domestic in pin-and-hole, is domesticly installed in cotter way made in valve gap.
And valve gap lower end is shaped with bonnet flange, and valve gap is connected with valve body by flange, mouth rubber pad in being provided with between valve body and valve gap; Locknut and in connect between mother, in connect all to pad to be equipped with between mother and pressure mother and seal O type circle.
And, in pressure between female and valve rod, in connect all to pad between mother and valve rod tetrafluoro packing ring be housed.
And the valve rod upper end portion above valve gap is provided with handwheel, electric actuator or turbine.
Advantage of the present invention and good effect are:
1, the present invention adopts lost foam with expandable polystyrene (EPS), metal full mold process technique, there is dry husky moulding fast, labor intensity is low, manufacturing efficiency is high, save space artificial, the feature such as environment friendly and pollution-free, dissolves water with the form of electric furnace, can be used for the various material such as casting gray iron, magnesium iron, cast steel, stainless steel, cast copper, with different materials manufactures such as scrap iron, steel scrap, copper scraps, energy saving, fund input is little, effectively saves the material using cupola, cut the waste, raise the efficiency.
2, valve rod of the present invention and valve gap adopt locking mechanism, by the bayonet arrangement locking valve rod of locknut, valve gap and locknut are by interior finger setting, valve rod place without the need to Flange joint, valve cover structure can one-step casting shaping, and valve rod place does not need Flange joint yet, less to raw-material requirement, manufacturing process is simple, effectively shortens manufacturing process time, increases work efficiency.
3, valve body both sides of the present invention are separately installed with slip joint, and are set with the trim ring flange with valve seal outside slip joint, by the distance at the stretchability regulation valve body two ends of slip joint, directly can be connected with pipeline, simplify construction process, are convenient to on-the-spot adjustment.
Accompanying drawing explanation
Fig. 1 is the valve mechanism explosive view of the present embodiment;
Fig. 2 be valve gap partly cut open structural representation;
Fig. 3 be locknut partly cut open structural representation.
Mark representative in figure: 1 handwheel, 2 pressures are female, meet mother, 4 tetrafluoro packing rings in 3,5 valve gaps, mouth rubber pad in 6,7 slip joints, 8 trim ring flanges, 9 trim ring sealing gaskets, 10 valve bodies, 11 flashboards, 12 flashboards are female, 13 valve rods, 14 sealing O type circles, 15 locknuts, 16 is domestic, 17 cotter ways, 18 bayonet sockets, 19 bonnet flange, 20 pin-and-holes, 21 card ears.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of without machining founding casing with vacuum Telescopic gate valve, comprise valve body 10, valve gap 5, flashboard 11, valve rod 13, locknut 15, in connect female 3, pressure mother 2, slip joint 7 and trim ring flange 8,
The concrete structure of the made valve of the present embodiment is see Figure of description, be described with direction shown in accompanying drawing 1 for convenience of description, the sealing of valve body 10 upper end is fixed with valve gap 5, the runner of lateral direction penetrating is shaped with in valve body, in the middle part of valve body, guiding is provided with one for blocking the flashboard 11 of runner, in the middle part of flashboard, upper end is fixed with valve rod 13 by flashboard mother 12, valve rod protrudes upward valve gap, and the valve stem end above valve gap is provided with handwheel 1, handwheel controls valve rod and rotates thus drive flashboard lifting, opening and closing valve; Handwheel also can replace with electric actuator or turbine.
In the middle part of valve rod, coaxial engagement is provided with a locknut 15, and locknut is coaxially inlaid in valve gap upper end, connects female 3 and pressure female 2, presses female lower end coaxially to engage locking with valve gap, ensure that locknut is clamped during the valve rod of locknut upper end is set with successively;
The concrete locking mechanism of locknut is: the outer middle side part symmetry of locknut is shaped with card ear 21, and card ear is inlaid in the made bayonet socket 18 of valve gap upper end inwall; Locknut top is also shaped with pin-and-hole 20, is fixed with domestic 16 in pin-and-hole, is domesticly installed in cotter way 17 made in valve gap, and valve gap and locknut lock are located;
At the runner two ends of valve body, one slip joint 7 is all installed, the lateral ends of slip joint is shaped with the mounting flange (non-label) for connecting, the inner opposite end of slip joint coaxially penetrates in valve body, be set with the trim ring flange 8 be connected with valve seal outside this slip joint, slip joint coaxially stretches adjustment.In order to ensure the sealing of slip joint, the valve body inside trim ring flange and between slip joint clamping sleeve trim ring sealing gasket 9 is housed.By the length of stretching slip joint regulation valve body during installation, directly can use in the pipeline of multiple distance, construction process is simple, is convenient to on-the-spot adjustment.
In order to ensure that valve seal prevents from revealing, valve gap lower end is shaped with bonnet flange 19, and valve gap is connected with valve body by flange, mouth rubber pad 6 in being provided with between valve body and valve gap; Locknut and in connect between mother, in connect all to pad to be equipped with between mother and pressure mother and seal O type circle 14.
Flexible in order to ensure valve stem slides, in pressure between female and valve rod, in connect all to pad between mother and valve rod tetrafluoro packing ring 3 be housed.
Process modification is:
Valve body, valve gap all adopt lost foam metal full mold process explained hereafter, can adopt the waste and scraps such as scrap iron, steel scrap, copper scrap, and produce with middle frequency furnace, one-step casting is shaping, without the need to machining, decreases manpower, energy saving.
The outward appearance of valve body, valve gap is all with the technique of electrophoresis water paint swimming paint, and environmental protection, antiseptic property is strong.
Innovative point during assembling is: the Joining Technology of valve rod and valve gap is as follows, first valve rod locking is arranged in locknut, then locknut is inserted valve gap top, locked by bayonet socket and card ear clip, and valve gap and locknut lock are located by the domestic of valve gap both sides; Successively middle connected nut, pressure mother are locked with valve gap, step up locknut; After completing the connection of valve rod and valve gap, valve gap is connected with valve seal.
Owing to connecting valve rod and valve gap by locknut, valve gap and locknut are locked by bayonet socket and card ear clip, valve gap and locknut lock are located by being located at the domestic of valve gap both sides, valve gap upper end without the need to Flange joint, make valve cover structure can one-step casting shaping.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (5)
1. one kind without machining founding casing with vacuum Telescopic gate valve, it is characterized in that: comprise valve body, valve gap, flashboard, valve rod, locknut, in meet mother, pressure is female, slip joint and trim ring flange, the sealing of valve body upper end is fixed with valve gap, the runner of lateral direction penetrating is shaped with in valve body, in the middle part of valve body, guiding is provided with one for blocking the flashboard of runner, in the middle part of flashboard, upper end is fixed with valve rod, valve rod protrudes upward valve gap, in the middle part of valve rod, coaxial engagement is provided with a locknut, locknut is coaxially inlaid in valve gap upper end, the valve rod of locknut upper end connects in being set with successively female and pressure mother, meet mother in this and press female all valve gaps to be fixedly mounted with locking,
All be provided with a slip joint at the runner two ends of valve body, the inner opposite end of slip joint coaxially penetrates in valve body, is set with the trim ring flange be connected with valve seal outside this slip joint, the valve body inside trim ring flange and between slip joint clamping sleeve trim ring sealing gasket is housed.
2. according to claim 1 without machining founding casing with vacuum Telescopic gate valve, it is characterized in that: the concrete locking mechanism of locknut is: the outer middle side part symmetry of locknut is shaped with card ear, card ear is inlaid in the made bayonet socket of valve gap upper end inwall; Locknut top is also shaped with pin-and-hole, is fixed with domestic in pin-and-hole, is domesticly installed in cotter way made in valve gap.
3. according to claim 1 without machining founding casing with vacuum Telescopic gate valve, it is characterized in that: valve gap lower end is shaped with bonnet flange, and valve gap is connected with valve body by flange, mouth rubber pad in being provided with between valve body and valve gap; Locknut and in connect between mother, in connect all to pad to be equipped with between mother and pressure mother and seal O type circle.
4. according to claim 1 without machining founding casing with vacuum Telescopic gate valve, it is characterized in that: in pressure between female and valve rod, in connect all to pad between mother and valve rod tetrafluoro packing ring be housed.
5. according to claim 1 without machining founding casing with vacuum Telescopic gate valve, it is characterized in that: the valve rod upper end portion above valve gap is provided with handwheel, electric actuator or turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617494.2A CN105202209A (en) | 2015-09-23 | 2015-09-23 | Inorganic-machining vacuum evanescent mode cast telescopic gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617494.2A CN105202209A (en) | 2015-09-23 | 2015-09-23 | Inorganic-machining vacuum evanescent mode cast telescopic gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105202209A true CN105202209A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617494.2A Pending CN105202209A (en) | 2015-09-23 | 2015-09-23 | Inorganic-machining vacuum evanescent mode cast telescopic gate valve |
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| CN (1) | CN105202209A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289145A (en) * | 2017-08-07 | 2017-10-24 | 徐德胜 | A kind of structure of valve and the form of flanges of annex |
| CN109944957A (en) * | 2019-03-16 | 2019-06-28 | 刘旭 | A kind of manufacturing process automatically controlling urgent anti-leakage valve |
-
2015
- 2015-09-23 CN CN201510617494.2A patent/CN105202209A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289145A (en) * | 2017-08-07 | 2017-10-24 | 徐德胜 | A kind of structure of valve and the form of flanges of annex |
| CN109944957A (en) * | 2019-03-16 | 2019-06-28 | 刘旭 | A kind of manufacturing process automatically controlling urgent anti-leakage valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151230 |