CN208919368U - Novel fire resistant metal gate valve - Google Patents
Novel fire resistant metal gate valve Download PDFInfo
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- CN208919368U CN208919368U CN201821515669.4U CN201821515669U CN208919368U CN 208919368 U CN208919368 U CN 208919368U CN 201821515669 U CN201821515669 U CN 201821515669U CN 208919368 U CN208919368 U CN 208919368U
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- flashboard
- pressing sleeve
- valve deck
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Abstract
The utility model discloses a kind of novel fire resistant metal gate valves, including valve body, valve seat, flashboard, valve rod, gasket, upper seal support, valve deck, filler, pressing sleeve, pressing plate, oil nozzle, handwheel, bearing gland and valve stem nut；Valve seat is provided in valve body；The bottom of valve rod is fixed on the flashboard；Inclined-plane is arranged in the one side of valve seat and rams contact；Flashboard includes superstructure, substructure and connector；Superstructure is connected with substructure by connector；Substructure is provided with compensating tank；Valve body is connected with valve deck by screw bolt and nut；Positioning groove is provided at the top of valve body；Valve deck bottom is provided with positioning convex platform, is provided with gasket in positioning groove；Upper seal support and filler are provided in valve deck；Pressing sleeve is arranged in the top of valve deck；Valve rod passes through valve body, valve deck, pressing sleeve, pressing plate, valve stem nut and is fixedly connected with the hand wheel.The utility model improves the sealing performance of gate valve.
Description
Technical field
The utility model relates to a kind of gate valves, and in particular to a kind of novel fire resistant metal gate valve.
Background technique
Gate valve (gate valve) is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, gate valve
It can only make standard-sized sheet and Quan Guan, cannot make adjustments and throttle.Gate valve is sealed by valve seat and rams contact, usual sealing surface meeting
Deposited metal material is to increase wearability, such as built-up welding 1Cr13, STL6, stainless steel.Flashboard has rigid flashboard and flexible disc,
According to the difference of flashboard, gate valve is divided into rigid gate valve and resilient gate valve.Existing metal gate valve is easy leakage at high operating temperatures.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of novel fire resistant metal gate valves, improve high temperature resistance
And sealing performance.
In order to solve the above technical problems, the utility model adopts the following technical scheme: novel fire resistant metal gate valve, including
Valve body, valve seat, flashboard, valve rod, gasket, upper seal support, valve deck, filler, pressing sleeve, pressing plate, handwheel, bearing gland and valve rod spiral shell
It is female；
It is provided with flashboard in the valve body, valve seat is set in the valve body of flashboard two sides；The bottom of the valve rod is fixed on
On the flashboard；Inclined-plane is arranged in the one side of the valve seat and rams contact；Sealing ring is set on inclined-plane, and the sealing ring is whole
Body is Z-type structure, and one end of sealing ring is welded on valve seat, and gap is arranged between the other end and inclined-plane, which uses rubber
Seal ring filling；The Z-type sealing ring is resilient metal member；The flashboard includes superstructure, substructure and connection
Body；The superstructure is connected with the substructure by connector；The substructure is provided with compensating tank；
The valve body is connected with valve deck by screw bolt and nut；The top of valve deck is arranged in by bearing gland for valve stem nut
Portion；
The valve rod passes through valve body, valve deck and valve stem nut and is fixedly connected with the hand wheel.
Further, pin hole is provided on the valve deck；The loose joint bolt is installed on valve deck by straight pin；It is described
Valve deck connect with the pressing plate by loose joint screw bolt and nut.
Further, the pressing sleeve bottom is inverted trapezoidal structure, and it is close that pressing sleeve was contacted with valve deck is provided with rubber on one side
Seal, the pressing sleeve side wall are provided with the groove body of fixed rubber seal.
Further, positioning groove is provided at the top of the valve body；The valve deck bottom is provided with positioning convex platform, institute
It states and is provided with gasket in positioning groove.
Further, upper seal support and filler are provided in the valve deck；Pressing sleeve is arranged in the top of valve deck；Pressing sleeve passes through pressure
Plate is pressed on valve deck, and the bottom of pressing sleeve compresses filler.
Further, oil nozzle is arranged in the top of the valve deck.
The utility model has the beneficial effects that the utility model is provided with compensating tank in substructure, it is adapted to metal
Expansion and contraction, when at high operating temperatures, valve seat will not being made to connect excessively with gate valve because of valve seat and gate valve expanded by heating
Closely, the use for influencing gate valve, is furthermore provided with elastic sealing element in inclined-plane, and under by cold state, valve seat and gate valve are received
Contracting, elastic sealing element guarantee sealing effect.
By packing seal between valve rod and valve deck, the top of filler is arranged pressing plate, prevents dust etc. from entering in filler, pressure
The side of plate and valve deck are sealed by sealing element, further increase sealing effect.
Detailed description of the invention
In order to more clearly illustrate the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some realities recorded in the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Fig. 3 is the structural schematic diagram of elastic sealing element.
Fig. 4 is the enlarged drawing of B in Fig. 1.
Specific embodiment
The technical solution of the utility model will be clearly and completely described by specific embodiment below.
It as shown in Figs 1-4, is the novel fire resistant metal gate valve of the utility model, including valve body 1, valve seat 2, flashboard 3, valve
Bar 4, gasket 5, upper seal support 6, valve deck 7, filler 8, pressing sleeve 10, pressing plate 11, oil nozzle 12, handwheel 13, bearing gland 15 and valve rod
Nut 16.Valve seat 2 is provided in valve body 1；The bottom of valve rod 4 is fixed on flashboard 3；The one side setting that valve seat 2 is contacted with flashboard 3
Inclined-plane；Flashboard includes superstructure, substructure and connector；Superstructure is connected with the substructure by connector；
Substructure is provided with compensating tank 21；Under the condition of high temperature, flashboard has certain deformation space, will not be by between flashboard and valve seat
To excessive compression, or excessively, cooperation influences to use.
Sealing ring 24, the section of the sealing ring 24 generally Z-type structure, sealing ring are set on the utility model inclined-plane
One end (inner circumferential) be welded on valve seat, gap is set between the other end (periphery) and inclined-plane, the gap use rubber seal ring
25 fillings；The Z-type sealing ring is resilient metal member.Under low-temperature condition, flashboard and valve seat by cold events, size is omited
Become smaller, there are the risks of leakage, sealing ring 24 are provided on valve seat, the outer ring of sealing ring 24 is under the elastic force of rubber seal
It is close to gate valve, improves leakproofness.Under the condition of high temperature, the characteristic of rubber seal itself, can permit metalwork has micro expansion
Deformation.
The valve body 1 and valve deck 7 of the utility model are connected by bolt 20 and nut 19；The top of valve body 1 is provided with positioning
Groove 22；The valve deck bottom is provided with positioning convex platform 23, and gasket 5 is provided in the positioning groove；It is provided in valve deck 7
Seal receptacle 6 and filler 8；Pressing sleeve 10 is arranged in the top of valve deck 7；Pressing sleeve 10 is pressed on valve deck 7 by pressing plate 11, the bottom of pressing sleeve 10
Portion compresses filler 8；The top of valve deck 7 is arranged in by bearing gland 15 for valve stem nut 16；Valve rod 4 passes through valve body 1, valve deck 7, pressure
Set 10, pressing plate 11, valve stem nut 16 are fixedly connected with handwheel 13；Oil nozzle 12 is arranged in the top of valve deck 7.Upper seal support and pressing sleeve
The service life for improving filler is set.
Pin hole is provided on the utility model valve deck, the loose joint bolt 18 is installed on valve deck 7 by straight pin 9；Institute
The valve deck 7 stated is connect with pressing plate 11 by loose joint bolt 20 and nut 19.
10 bottom of the utility model pressing sleeve is inverted trapezoidal structure, and what pressing sleeve 10 was contacted with valve deck is provided with rubber seal on one side
Circle 26,10 side wall of pressing sleeve is provided with the groove body 27 of fixed rubber seal.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical new to this
The conception and scope of type is defined, without departing from the design concept of the present utility model, ordinary skill skill in this field
Art personnel should all fall into the protection scope of the utility model to all variations and modifications that the technical solution of the utility model is made,
The claimed technology contents of the utility model, are all documented in technical requirements book.
Claims (6)
1. novel fire resistant metal gate valve, it is characterised in that: including valve body, valve seat, flashboard, valve rod, gasket, upper seal support, valve
Lid, filler, pressing sleeve, pressing plate, handwheel, bearing gland and valve stem nut；
It is provided with flashboard in the valve body, valve seat is set in the valve body of flashboard two sides；The bottom of the valve rod is fixed on described
Flashboard on；Inclined-plane is arranged in the one side of the valve seat and rams contact；Sealing ring is set on inclined-plane, and the sealing ring is generally
One end of Z-type structure, sealing ring is welded on valve seat, and gap is arranged between the other end and inclined-plane, which uses rubber seal
Ring filling；The Z-type sealing ring is resilient metal member；The flashboard includes superstructure, substructure and connector；Institute
It states superstructure and is connected with the substructure by connector；The substructure is provided with compensating tank；
The valve body is connected with valve deck by screw bolt and nut；The top of valve deck is arranged in by bearing gland for valve stem nut；
The valve rod passes through valve body, valve deck and valve stem nut and is fixedly connected with the hand wheel.
2. novel fire resistant metal gate valve according to claim 1, it is characterised in that: be provided with pin hole on the valve deck；
Loose joint bolt is installed on valve deck by straight pin；The valve deck is connect with the pressing plate by loose joint screw bolt and nut.
3. novel fire resistant metal gate valve according to claim 1, it is characterised in that: the pressing sleeve bottom is inverted trapezoidal
Structure, what pressing sleeve was contacted with valve deck is provided with rubber seal on one side, and the pressing sleeve side wall is provided with fixed rubber seal
Groove body.
4. novel fire resistant metal gate valve according to claim 1, it is characterised in that: be provided at the top of the valve body
Positioning groove；The valve deck bottom is provided with positioning convex platform, is provided with gasket in the positioning groove.
5. novel fire resistant metal gate valve according to claim 1, it is characterised in that: be provided with sealing in the valve deck
Seat and filler；Pressing sleeve is arranged in the top of valve deck；Pressing sleeve is pressed on valve deck by pressing plate, and the bottom of pressing sleeve compresses filler.
6. novel fire resistant metal gate valve according to claim 1, it is characterised in that: oil is arranged in the top of the valve deck
Mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515669.4U CN208919368U (en) | 2018-09-17 | 2018-09-17 | Novel fire resistant metal gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515669.4U CN208919368U (en) | 2018-09-17 | 2018-09-17 | Novel fire resistant metal gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208919368U true CN208919368U (en) | 2019-05-31 |
Family
ID=66705883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821515669.4U Active CN208919368U (en) | 2018-09-17 | 2018-09-17 | Novel fire resistant metal gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208919368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681535A (en) * | 2022-10-21 | 2023-02-03 | 江苏圣业阀门有限公司 | High-temperature pressure sealing gate valve |
-
2018
- 2018-09-17 CN CN201821515669.4U patent/CN208919368U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681535A (en) * | 2022-10-21 | 2023-02-03 | 江苏圣业阀门有限公司 | High-temperature pressure sealing gate valve |
| CN115681535B (en) * | 2022-10-21 | 2023-09-15 | 江苏圣业阀门有限公司 | High-temperature pressure sealing gate valve |
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