CN209041580U - A kind of Fluorine-lined flange form plunger valve gear - Google Patents
A kind of Fluorine-lined flange form plunger valve gear Download PDFInfo
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- CN209041580U CN209041580U CN201821803638.9U CN201821803638U CN209041580U CN 209041580 U CN209041580 U CN 209041580U CN 201821803638 U CN201821803638 U CN 201821803638U CN 209041580 U CN209041580 U CN 209041580U
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- valve
- plunger
- fluorine
- handwheel
- deck
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Abstract
The utility model discloses a kind of Fluorine-lined flange form plunger valve gears, including handwheel, valve deck and valve body, the outer surface edge viscose glue adhesion of the handwheel has sweat absorbing cotton, the upper end of the valve deck is internally provided with valve stem nut, inlet is provided at left and right sides of the valve deck, the lower end of the inlet is fixedly installed with right angle pipeline, the surface of the valve body and valve deck offers hole slot, the inside of the hole slot, which is run through, threaded rod, the lower end of the valve rod is equipped with plunger, filler is provided at left and right sides of the ring-like pressing ring, aperture frame is provided with below the plunger.Using interference fit between the Fluorine-lined flange form plunger valve gear center pillar plug and sealing surface, to ensure that the leakproofness of valve, internal and outernal leakage is prevented while valve opening torque is small, valve is able to achieve to open and close rapidly, plunger and body cavity runner section use PFA/FEP or GXPO lining, make valve that there is very strong corrosion resistance, can be used for strong acid, highly basic or the mixture condition of deep-etching.
Description
Technical field
The utility model relates to valve technology field, specially a kind of Fluorine-lined flange form plunger valve gear.
Background technique
Valve is for being opened and closed pipeline, control flow direction, the parameter (temperature, pressure and flow) of regulation and control pumped (conveying) medium
Pipeline fittings shut-off valve, check-valves, regulating valve etc. can be divided into according to its function, valve is the control in fluid delivery system
Component has the function of cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting or overflow pressure relief etc., for fluid control systems
Valve, various valves, kind and specification used in from simplest shut-off valve to extremely complex robot control system(RCS) are quite numerous
It is more.But most of existing valve carries out integrative installation technology to entire valving using welding technique, leads to valve internal
When failure, it can not timely be overhauled, secondly general valve piston holds during moving up and down
It easily wears, the leakproofness of valve is caused to be deteriorated, the internal gas of valve leaks, in view of the above-mentioned problems, we have proposed one
Kind Fluorine-lined flange form plunger valve gear.
Utility model content
The purpose of this utility model is to provide a kind of Fluorine-lined flange form plunger valve gears, to solve in above-mentioned background technique
It proposes that most of general existing valve carries out integrative installation technology to entire valving using welding technique, causes in valve
When portion breaks down, it can not timely be overhauled, secondly general valve piston is during moving up and down
It is easy to happen abrasion, the leakproofness of valve is caused to be deteriorated, the problem of internal gas of valve leaks.
To achieve the above object, the utility model provides the following technical solutions: a kind of Fluorine-lined flange form plunger valve gear, packet
Handwheel, valve deck and valve body are included, the outer surface edge viscose glue adhesion of the handwheel has sweat absorbing cotton, and valve rod is equipped in the middle part of handwheel
Upper end, the upper end of the valve deck is internally provided with valve stem nut, and valve deck is located at the lower section of handwheel, the left and right two of the valve deck
Side is provided with inlet, and the inside of inlet is glued with piston, and the lower end of the inlet is fixedly installed with right angle pipeline,
And right angle pipeline is internally provided with slope, the surface of the valve body and valve deck offers hole slot, and valve body is located at valve deck
Lower section, the inside of the hole slot is through there is a threaded rod, and the lower end outside of threaded rod is screwed with fixing bolt, under the valve rod
End is equipped with plunger, and plunger has wrapped around ring-like pressing ring, is provided with filler at left and right sides of the ring-like pressing ring, institute
It states and is provided with aperture frame below plunger.
Preferably, it fits between the outer surface of the handwheel and the inner surface of sweat absorbing cotton, and the central axes of valve rod and valve
The central axes of lid are overlapped.
Preferably, the inlet is between right angle pipeline and valve stem nut by being connected, and the lower end of right angle pipeline with
The inner wall of valve stem nut is located in same level.
Preferably, the inside diameter of the hole slot and the outer dia of threaded rod are equal, and valve deck passes through hole slot and screw thread
It is connected between bar and valve body.
Preferably, the vertical centerline between the right angle pipeline between slope about valve rod is symmetrical, and handwheel is logical
It crosses between valve rod and plunger and is connected.
Preferably, the upper end of the plunger is set as cone, and about the vertical centerline of plunger between ring-like pressing ring
Symmetrically.
Compared with prior art, the utility model has the beneficial effects that the Fluorine-lined flange form plunger valve gear center pillar plug with
Using interference fit between sealing surface, to ensure that the leakproofness of valve, internal and outernal leakage, simultaneously valve opening torque are prevented
It is small, it is able to achieve valve and opens and closes rapidly, plunger and body cavity runner section use PFA/FEP or GXPO lining, make valve
Door have very strong corrosion resistance, can be used for strong acid, highly basic or the mixture condition of deep-etching, when valve stem nut inner surface with
Frictional force between the outer surface of valve rod increases, and when the rotation of valve rod being caused to be obstructed, can be injected into lubricating oil by inlet
The inside of right angle pipeline, at the inner wall via right angle pipeline flow-direction to valve stem nut, thus the connection to valve stem nut and valve rod
Place is lubricated, to avoid that undue wear occurs between valve rod and valve stem nut；
Threaded rod is applied in the inside of hole slot, then will by valve deck by being connected between hole slot and threaded rod and valve body
Fixing bolt rotates clockwise the lower end outside for being tightened in threaded rod, which passes through hole slot, threaded rod and fixing bolt
Between mutual cooperation so that be combined between valve body and valve deck formula installation, the apparatus structure is simple, replacement components it is fast
Victory, maintenance cost are low；
Plunger has a cylinder-packing, filler PTFE, and body cavity moves up and down work when opening and closing, because of the excellent self-lubricating of lining material
Property with elasticity, make plunger almost without abrasion, avoid medium leakage, plunger top is cone, and plunger is when being truncated medium
Even if producing abrasion, rotation hand wheel is allowed using interference fit between plunger and sealing surface, also can guarantee that valve has good sealing
Performance.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model overlooking structure diagram；
Fig. 3 is enlarged structure schematic diagram at A in the utility model Fig. 1.
In figure: 1, handwheel；2, sweat absorbing cotton；3, valve rod；4, valve deck；5, valve stem nut；6, inlet；7, piston；8, right angle
Pipeline；9, slope；10, valve body；11, hole slot；12, threaded rod；13, fixing bolt；14, plunger；15, ring-like pressing ring；16, it fills out
Material；17, aperture frame.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of Fluorine-lined flange form plunger valve gear, including
The outer surface edge viscose glue adhesion of handwheel 1, valve deck 4 and valve body 10, handwheel 1 has sweat absorbing cotton 2, and the middle part of handwheel 1 is equipped with valve
The upper end of bar 3, the upper end of valve deck 4 is internally provided with valve stem nut 5, and valve deck 4 is located at the lower section of handwheel 1, the outer surface of handwheel 1
It fits between the inner surface of sweat absorbing cotton 2, and the central axes of valve rod 3 are overlapped with the central axes of valve deck 4, rotates handwheel 1, handwheel
1 drive valve deck 4 is rotated, and the sweat in hand can be absorbed by sweat absorbing cotton 2, avoid staff when pushing handwheel 1
The case where generating skidding, the left and right sides of valve deck 4 is provided with inlet 6, and the inside of inlet 6 is glued with piston 7, feed liquor
Mouthfuls 6 lower end is fixedly installed with right angle pipeline 8, and right angle pipeline 8 is internally provided with slope 9, and inlet 6 passes through right angle pipeline
It is connected between 8 and valve stem nut 5, and the inner wall of the lower end of right angle pipeline 8 and valve stem nut 5 is located in same level, when
Frictional force between the inner surface of valve stem nut 5 and the outer surface of valve rod 3 increases, can be by work when the rotation of valve rod 3 being caused to be obstructed
Plug 7 is extracted from the inside of inlet 6, then lubricating oil is injected into the inside of right angle pipeline 8 by inlet 6, due to right angle
Pipeline 8 is internally provided with slope 9, therefore lubricating oil can flow downward along slope 9, until lubricating oil is flowed to valve rod spiral shell
At the inner wall of mother 5, to be lubricated to valve stem nut 5 and the junction of valve rod 3, thus avoid valve rod 3 and valve stem nut 5 it
Between undue wear occurs；
The surface of valve body 10 and valve deck 4 offers hole slot 11, and valve body 10 is located at the lower section of valve deck 4, hole slot 11 it is interior
Portion, which is run through, threaded rod 12, and the lower end outside of threaded rod 12 is screwed with fixing bolt 13, the inside diameter and screw thread of hole slot 11
The outer dia of bar 12 is equal, and valve deck 4 is passed through threaded rod 12 by being connected between hole slot 11 and threaded rod 12 and valve body 10
It is through the inside of hole slot 11, fixing bolt 13 is then rotated clockwise to the lower end outside for being tightened in threaded rod 12, the dress
It sets through the mutual cooperation between hole slot 11, threaded rod 12 and fixing bolt 13, so that being combined between valve body 10 and valve deck 4
Formula installation, when the inside of the device is broken down, can carry out disassembly maintenance to it；
The lower end of valve rod 3 is equipped with plunger 14, and plunger 14 has wrapped around ring-like pressing ring 15, between right angle pipeline 8
Vertical centerline between slope 9 about valve rod 3 is symmetrical, and handwheel 1 is between valve rod 3 and plunger 14 by being connected, tiltedly
The setting on slope 9 enables the flowing at valve stem nut 5 of the lubricating oil total number inside right angle pipeline 8, the left and right of ring-like pressing ring 15
Two sides are provided with filler 16, and the lower section of plunger 14 is provided with aperture frame 17, and the upper end of plunger 14 is set as cone, and ring-like pressure
Vertical centerline between circle 15 about plunger 14 is symmetrical, when handwheel 1 rotates, through the drive plunger 14 of valve rod 3 in aperture frame 17
Between pump to complete the open and close function of valve, matched between plunger 14 and sealing surface using interference in valve
It closes, to ensure that the leakproofness of valve, has prevented internal and outernal leakage while valve opening torque is small, be able to achieve valve and open rapidly
It opens and closes, meanwhile, plunger 14 and 10 inner cavity runner section of valve body use PFA/FEP or GXPO lining, have valve very strong
Corrosion resistance, can be used for strong acid, highly basic or the mixture condition of deep-etching.
Working principle: when using the Fluorine-lined flange form plunger valve gear, threaded rod 12 is applied in hole slot 11 first
Inside then rotates clockwise fixing bolt 13, is tightened in the lower end outside of threaded rod 12, which passes through hole slot
11, the mutual cooperation between threaded rod 12 and fixing bolt 13, so that being combined formula installation between valve body 10 and valve deck 4, so
Sweat absorbing cotton 2 is sticked in the outer surface of handwheel 1 by viscose glue afterwards, rotates handwheel 1, handwheel 1 drives valve deck 4 to be rotated, in hand
Sweat can be absorbed by sweat absorbing cotton 2, avoid staff generated when pushing handwheel 1 skidding the case where, when handwheel 1 revolve
Turn, drives plunger 14 to pump among aperture frame 17 by valve rod 3 to complete the open and close function of valve, in valve
Using interference fit between plunger 14 and sealing surface in door, to ensure that the leakproofness of valve, internal and outernal leakage, simultaneously valve are prevented
Door unlatching moment is small, is able to achieve valve and opens and closes rapidly, when between the inner surface of valve stem nut 5 and the outer surface of valve rod 3
Frictional force increase, when the rotation of valve rod 3 being caused to be obstructed, can by piston 7 from the inside of inlet 6 extract, then by lubricating oil
It is injected into the inside of right angle pipeline 8 by inlet 6, slope 9, lubricating oil energy are internally provided with due to right angle pipeline 8
It is enough to flow downward along slope 9, until lubricating oil is flowed to at the inner wall of valve stem nut 5, thus to valve stem nut 5 and valve rod 3
Junction be lubricated so that valve rod 3 is able to carry out normal rotary motion, here it is the Fluorine-lined flange form plunger valve gears
Working principle.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of Fluorine-lined flange form plunger valve gear, including handwheel (1), valve deck (4) and valve body (10), it is characterised in that: described
The outer surface edge viscose glue adhesion of handwheel (1) has sweat absorbing cotton (2), and the upper end of valve rod (3), institute are equipped in the middle part of handwheel (1)
The upper end for stating valve deck (4) is internally provided with valve stem nut (5), and valve deck (4) is located at the lower section of handwheel (1), the valve deck (4)
The left and right sides is provided with inlet (6), and the inside of inlet (6) is glued with piston (7), the lower end of the inlet (6)
It is fixedly installed with right angle pipeline (8), and right angle pipeline (8) is internally provided with slope (9), the valve body (10) and valve deck (4)
Surface offer hole slot (11), and valve body (10) is located at the lower section of valve deck (4), and the inside of the hole slot (11) is through there is spiral shell
Rasp bar (12), and the lower end outside of threaded rod (12) is screwed with fixing bolt (13), the lower end of the valve rod (3) is equipped with plunger
(14), and plunger (14) has wrapped around ring-like pressing ring (15), is provided with and fills out at left and right sides of the ring-like pressing ring (15)
Expect (16), is provided with aperture frame (17) below the plunger (14).
2. a kind of Fluorine-lined flange form plunger valve gear according to claim 1, it is characterised in that: outside the handwheel (1)
It fits between surface and the inner surface of sweat absorbing cotton (2), and the central axes of valve rod (3) are overlapped with the central axes of valve deck (4).
3. a kind of Fluorine-lined flange form plunger valve gear according to claim 1, it is characterised in that: the inlet (6) is logical
It crosses between right angle pipeline (8) and valve stem nut (5) and is connected, and the inner wall position of the lower end of right angle pipeline (8) and valve stem nut (5)
In in same level.
4. a kind of Fluorine-lined flange form plunger valve gear according to claim 1, it is characterised in that: the hole slot (11) it is interior
Portion's diameter is equal with the outer dia of threaded rod (12), and valve deck (4) passes through hole slot (11) and threaded rod (12) and valve body (10)
Between be connected.
5. a kind of Fluorine-lined flange form plunger valve gear according to claim 1, it is characterised in that: the right angle pipeline (8)
Between vertical centerline between slope (9) about valve rod (3) it is symmetrical, and handwheel (1) passes through valve rod (3) and plunger (14)
Between be connected.
6. a kind of Fluorine-lined flange form plunger valve gear according to claim 1, it is characterised in that: the plunger (14) it is upper
End is set as cone, and the vertical centerline between ring-like pressing ring (15) about plunger (14) is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803638.9U CN209041580U (en) | 2018-11-03 | 2018-11-03 | A kind of Fluorine-lined flange form plunger valve gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803638.9U CN209041580U (en) | 2018-11-03 | 2018-11-03 | A kind of Fluorine-lined flange form plunger valve gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041580U true CN209041580U (en) | 2019-06-28 |
Family
ID=67040640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821803638.9U Active CN209041580U (en) | 2018-11-03 | 2018-11-03 | A kind of Fluorine-lined flange form plunger valve gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503356A (en) * | 2019-12-16 | 2020-08-07 | 石家庄瑞特不锈钢制品有限公司 | Special valve fitting prepared through silica sol precision casting process |
-
2018
- 2018-11-03 CN CN201821803638.9U patent/CN209041580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503356A (en) * | 2019-12-16 | 2020-08-07 | 石家庄瑞特不锈钢制品有限公司 | Special valve fitting prepared through silica sol precision casting process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 352000 Wenzhou yuanwendu Industrial Zone, Fuding City, Ningde City, Fujian Province Patentee after: Youfu tight pipe valve group Co.,Ltd. Address before: 352000 Wenzhou yuanwendu Industrial Zone, Fuding City, Ningde City, Fujian Province Patentee before: YOUFUMI PIPE & VALVE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |