CN209164743U - A kind of fire prevention fixing ball valve - Google Patents
A kind of fire prevention fixing ball valve Download PDFInfo
- Publication number
- CN209164743U CN209164743U CN201821825676.4U CN201821825676U CN209164743U CN 209164743 U CN209164743 U CN 209164743U CN 201821825676 U CN201821825676 U CN 201821825676U CN 209164743 U CN209164743 U CN 209164743U
- Authority
- CN
- China
- Prior art keywords
- gland
- valve
- flange
- gland flange
- fire prevention
- 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.)
- Active
Links
Landscapes
- Details Of Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a kind of fire prevention fixing ball valve, including gland flange, graphite packing, O-ring, valve body and valve rod, the gland flange is fixed by bolts on valve body, and valve rod is threaded through in the axocoel of gland flange and the cavity of valve body；It is characterized in that, further including gland and grease pouring valve；Gland flange axocoel upper end is equipped with step surface, gland flange is equipped with seal groove below step surface, the graphite packing is packed on table top, the gland presses graphite packing and is fixedly mounted in gland flange by stud nut, the bearing is fixedly mounted at the upper end axocoel accent of gland, valve rod is rotationally threaded through in the axocoel of gland by bearing, the O-ring is located in seal groove, the grease pouring valve is mounted in gland flange, and between graphite packing and O-ring.The utility model ensure that when catching fire state, can maximally reduce a possibility that medium leaks outside at valve rod, have a safety feature.
Description
Technical field
The utility model relates to ball valve field more particularly to a kind of fire prevention fixing ball valve.
Background technique
Fixing ball valve is high-performance ball valve of new generation, is suitable for long-distance transport pipes and general industry pipeline, intensity, safety
Property, adverse environment resistant etc. carried out special consideration in design, be suitable for various corrosivity and non-aggressive medium or even one
The lower operating condition of a little temperature.Fixing ball valve has the function of that double block and discharge function, releasing pressure automatically, fire safety structure etc. are special
Point, and the urgent greasing rescue of sealing, reliable valve stem seal and low operational torque, full-bore or undergauge, valve rod can be lengthened, be grasped
Make the advantages that flexible.Due to there is the above features and advantages, fixing ball valve is widely used in the row such as chemical industry, petroleum, natural gas, metallurgy
Industry, the also attention increasingly by user and valve manufacturer.Existing fixing ball valve each outer dew point have O-ring sealing and
Graphite fire proof seal, when valve catches fire, O-ring burns out failure, the characteristics of due to graphite high temperature high voltage resistant, still plays sealing
Effect, can reduce the leakage of medium, but belong to dynamic sealing at valve rod, to seal request height, in order to maximum when catching fire
Reduce medium leakage at valve rod, to seal urgent greasing rescue, it is necessary to design a kind of new fire proof construction.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of fire prevention fixing ball valve, ensure that when catching fire state, energy
A possibility that medium leaks outside at valve rod is enough maximally reduced, is had a safety feature.
In order to reach above-mentioned technical effect, the technical solution adopted in the utility model is:
A kind of fire prevention fixing ball valve, including gland flange, graphite packing, O-ring, valve body and valve rod, the gland flange
It is fixed by bolts on valve body, the valve rod is rotationally threaded through in the axocoel of gland flange and the cavity of valve body；Its feature
It is, further includes gland and grease pouring valve；Gland flange axocoel upper end is equipped with step surface, and gland flange is under step surface
Side is equipped with seal groove, and the graphite packing is packed on table top, and graphite packing is that several layers stack the graphite sealing gasket placed,
The gland presses graphite packing and is fixedly mounted in gland flange by stud nut, and the bearing is fixedly mounted on
At the upper end axocoel accent of gland, valve rod is rotationally threaded through in the axocoel of gland by bearing, the O-ring
In seal groove, the grease pouring valve is mounted in gland flange, and between graphite packing and O-ring.
Compared with prior art, the utility model has the beneficial effects that the structure design of the utility model is reasonable, by existing
Some valve rods and gland flange connection structure carry out rational modification, and being effectively ensured when valve catches fire more effectively prevents outside medium
Leakage.
The utility model is further improved as follows:
Further, the graphite sealing gasket is equipped with five layers.
Further, the O-ring is equipped with twice, is equipped with spacing between twice O-ring.
It further, further include frame support, the frame support is located above gland flange, and frame support lower panel is logical
It crosses stud nut and is fixedly connected on gland flange upper surface, frame support lower panel is equipped with gland and keeps away a hole, top panel pair
It should be equipped with axis hole, frame support is stretched out from axis hole in valve rod upper end.
Further, the frame support lower panel, gland flange and valve body are equipped with the corresponding pin hole in position, described fixed
Position pin is threaded through in pin hole.
Further, the upper surface of described frame support plate is equipped with connecting flange.
Further, the valve rod upper end is equipped with actuating sleeve.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, it is described in detail.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the A-A direction view of Fig. 1.
Each label and corresponding title in figure are as follows:
1-- actuating sleeve；2-- frame support；3-- stud；4-- nut；5-- gland flange；
6-- bolt；7-- valve body；8--O type circle；9-- grease pouring valve；10-- graphite packing；
11-- gland；12-- bearing；13-- valve rod；14-- positioning pin；15-- spring washer.
Specific embodiment
As shown in Figure 1 to Figure 2, a kind of fire prevention fixing ball valve, including gland flange 5, graphite packing 10, O-ring 8, valve body
7, valve rod 13, gland 11, grease pouring valve 9, frame support 2 and positioning pin 14.Gland flange 5 is fixed on valve body 7 with bolt 6
On, center is equipped with the axocoel interted for valve rod 13, and axocoel upper end is equipped with step surface, and 5 axocoel of gland flange and valve rod 13 are in step
With the connection sealing of twice O-ring 8 below face, it is tightly connected above table top with graphite packing 10, the upper surface of graphite packing 10
Pressed by gland 11, gland 11 is fixedly mounted in gland flange 5 using 3 nut 4 of stud, on gland 11
It holds and bearing 12 is installed at axocoel accent.Wherein, graphite packing 10 is that five layer heaps stack the graphite sealing gasket set.Grease pouring valve 9 is pacified
In gland flange 5, and between the O-ring on graphite packing 10 and upper layer 8.Frame support 2 is mounted in gland flange 5
Surface, plate is fixedly connected with gland flange 5 by 3 nut 4 of stud below frame support 2, and lower panel is equipped with pin hole and filler
Gland 11 keeps away a hole, and 11 upper end of gland is located at gland 11 and keeps away in a hole, gland flange 5 and valve body 7 with frame shape branch
It also is provided with corresponding pin hole immediately below the pin hole position of frame 2, positioning pin 14 is threaded through 2 lower panel of frame support, gland flange 5
In the pin hole of valve body 7.Valve rod 13 passes through frame support 2, gland 11 and gland flange 5 from up to down and extend into valve body 7
Cavity in.Preferably, being equipped with connecting flange on the upper surface of frame support 2 plate, 13 upper end of valve rod is equipped with actuating sleeve 1.
The utility model is sealed by twice O-ring 8 and five layers of graphite sealing gasket fire proof seal, sets in gland flange 5
There is grease pouring valve 9, it being capable of the urgent greasing sealing when valve catches fire；Gland flange 5 is equipped with gland 11, passes through 3 spiral shell of stud
Mother 4 connects, and for compressing graphite packing 10, can guarantee the pressure of gland 11 and graphite packing by adjusting 3 nut 4 of stud
10 pressure, makes it play sealing function.To which the utility model is when catching fire state, valve rod 13 can be maximally reduced
A possibility that locating medium leakage, improves the security performance of valve.In addition, in order to install actuator, compared with existing structure, this
Utility model top structure is fixed by setting frame support 2 and actuating sleeve 1, frame support 2 with 3 nut of stud, 4 spring washer
In gland flange 5,2 top panel of frame support is equipped with 5211 connecting flange of ISO, and for connecting actuator, actuating sleeve 1 is installed
On valve rod 13, play the role of being driven between actuator and valve rod 13.And positioning pin 14 is each passed through frame support 2, gland
Flange 5 and valve body 7, ensure that the installation accuracy of three parts, and actuator is made smoothly to install and run.
The utility model is not limited to above-mentioned specific embodiment, for those of ordinary skill in the art from upper
Design is stated to set out, without creative labor, made various transformation, all fall within the protection scope of the utility model it
It is interior.
Claims (7)
1. a kind of fire prevention fixing ball valve, including gland flange, graphite packing, O-ring, valve body and valve rod, the gland flange is used
Bolt is fixed on valve body, and the valve rod is rotationally threaded through in the axocoel of gland flange and the cavity of valve body；Its feature exists
In further including gland and grease pouring valve；Gland flange axocoel upper end is equipped with step surface, and gland flange is below step surface
Equipped with seal groove, the graphite packing is packed on table top, and graphite packing is that several layers stack the graphite sealing gasket placed, institute
It states gland to press graphite packing and be fixedly mounted in gland flange by stud nut, the upper shaft of the gland
Bearing is fixedly installed at chamber accent, valve rod is rotationally threaded through in the axocoel of gland by bearing, the O-ring position
In in seal groove, the grease pouring valve is mounted in gland flange, and between graphite packing and O-ring.
2. a kind of fire prevention fixing ball valve as described in claim 1, it is characterised in that: the graphite sealing gasket is equipped with five layers.
3. a kind of fire prevention fixing ball valve as described in claim 1, it is characterised in that: the O-ring is equipped with twice, and twice are O-shaped
Spacing is equipped between circle.
4. a kind of fire prevention fixing ball valve as described in claim 1, it is characterised in that: it further include frame support, the frame shape branch
Frame is located above gland flange, and frame support lower panel is fixedly connected on gland flange upper surface, frame shape branch by stud nut
Frame lower panel is equipped with gland and keeps away a hole, and top panel is correspondingly provided with axis hole, and frame support is stretched out from axis hole in valve rod upper end.
5. a kind of fire prevention fixing ball valve as claimed in claim 4, it is characterised in that: it further include positioning pin, the frame support
Lower panel, gland flange and valve body are equipped with the corresponding pin hole in position, and the positioning pin is threaded through in pin hole.
6. a kind of fire prevention fixing ball valve as claimed in claim 4, it is characterised in that: the upper surface of described frame support plate, which is equipped with, to be connected
Acting flange.
7. a kind of fire prevention fixing ball valve as claimed in claim 5, it is characterised in that: the valve rod upper end is equipped with actuating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821825676.4U CN209164743U (en) | 2018-11-07 | 2018-11-07 | A kind of fire prevention fixing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821825676.4U CN209164743U (en) | 2018-11-07 | 2018-11-07 | A kind of fire prevention fixing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164743U true CN209164743U (en) | 2019-07-26 |
Family
ID=67337000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821825676.4U Active CN209164743U (en) | 2018-11-07 | 2018-11-07 | A kind of fire prevention fixing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164743U (en) |
-
2018
- 2018-11-07 CN CN201821825676.4U patent/CN209164743U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105508627B (en) | A kind of manual balanced type valve of pressure duct | |
| CN209164743U (en) | A kind of fire prevention fixing ball valve | |
| CN202140576U (en) | Low-temperature stop valve | |
| CN207093833U (en) | A kind of dynamic sealing mechanism for ball valve | |
| CN206419493U (en) | A kind of Double sealing globe valve | |
| CN206338461U (en) | Fluoroplastic all-liner corrugated tube valve special for chlorine | |
| CN205937894U (en) | Corrugated pipe stop valve for chlorine | |
| CN105508645A (en) | Ball valve assembly | |
| CN206988464U (en) | A kind of ultralow temperature high-pressure ball valve | |
| CN206386493U (en) | Two-way hard seal spiral valve | |
| CN201599420U (en) | Rolling friction butterfly valve | |
| CN203927044U (en) | Corrugated pipe cock | |
| CN206001030U (en) | A kind of forging high-voltage flat line struts flat gate valve | |
| CN207178723U (en) | A kind of floating type hard sealing structure in metal valve | |
| CN203374839U (en) | Ultra-low temperature gate valve | |
| CN203322297U (en) | Elastic self-sealing butterfly valve | |
| CN201202819Y (en) | Pneumatic corrugated pipe butterfly valve | |
| CN215214781U (en) | Electric high-performance three-eccentric hard sealing butterfly valve | |
| CN212251328U (en) | Sealed combination formula valve convenient to maintenance | |
| CN205078906U (en) | Novel ball valve | |
| CN219177021U (en) | Gas self-closing valve | |
| CN218267340U (en) | Integral type lining fluorine ball valve | |
| CN215334599U (en) | High-pressure hard-sealing spherical stop valve | |
| CN212480147U (en) | Piston type quick cut-off valve | |
| CN211423397U (en) | Rotary sealing stop valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |