CN209041592U - A kind of acid-mist corrosion ventilation butterfly valve - Google Patents
A kind of acid-mist corrosion ventilation butterfly valve Download PDFInfo
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- CN209041592U CN209041592U CN201821858191.5U CN201821858191U CN209041592U CN 209041592 U CN209041592 U CN 209041592U CN 201821858191 U CN201821858191 U CN 201821858191U CN 209041592 U CN209041592 U CN 209041592U
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Abstract
The utility model proposes a kind of acid-mists to corrode ventilation butterfly valve, including valve body, valve rod, butterfly plate and the valve seat sealed with butterfly plate formation, the valve body includes main valve body and auxiliary valve body, and the auxiliary valve body is connected with main valve body by flange towards setting at medium inlet；It further include current cutting off protection mechanism; the current cutting off protection mechanism includes the fixed plate being plugged in auxiliary valve body, the movable plate being affixed with fixed plate and the adjusting screw rod for being inserted on movable plate and being threadedly coupled with it; several through-holes for flow of media are equipped in the fixed plate and movable plate; the movable plate is equipped with several elastic sealing elements; the elastic sealing element is staggered with through-hole, and the movable plate can opposing fixed plate upper and lower displacement.Compared to existing ventilation butterfly valve, the utility model structure is simple, good airproof performance, highly-safe, long service life and easy to repair.
Description
Technical field
The utility model relates to valve fields, and in particular to a kind of acid-mist corrosion ventilation butterfly valve.
Background technique
Butterfly valve is a kind of simple regulating valve of structure, simultaneously can be used for the switch control of low pressure pipeline medium.Ventilation butterfly
In dust-laden cold wind or hot wind gas pipeline of the valve applied to ventilation, environment-friendly engineering in the industries such as chemical industry, building materials, power station, glass,
The pipeline control device of flow or cutting is adjusted as gas medium.This class valve should be generally horizontally mounted in the duct.It is logical
Wind butterfly valve is a kind of non-hermetic type butterfly valve, is widely used in the various pipelines of the production processes kind such as building materials, metallurgy, mine, electric power
On, to be connected to, open and close or adjust medium amount.Wire type dish plate and the new structure of short structural steel and iron welding design in
Manufacture, it is compact-sized, light-weight, be easily installed, flow resistance is small, circulation is big, avoids the influence of high-temperature expansion, operate it is light,
Interior no connecting rod, bolt etc., reliable operation, long service life.It can be installed, not influenced by medium flow direction with multistation.
Existing ventilation butterfly valve, in order to reach antiseptic property, butterfly plate uses all-plastic, does not lead to the intensity of butterfly plate often not
Enough, when especially temperature is higher, being easy to be heated causes butterfly plate strength to decline, and influences the sealing performance of butterfly valve.When butterfly plate damage,
Valve can not close close, when needing valve disassembling maintenance, need to close the upper valve on same pipeline, this
Sample is extremely inconvenient, and is easy to splash on the person with mordant medium in pipeline, and skin is caused to be burnt, and has safety hidden
Suffer from.
Utility model content
Based on the above issues, the utility model aim be to provide a kind of simple structure, good airproof performance, it is highly-safe, make
With the butterfly valve that the service life is long and easy to repair.
In view of the above problems, providing following technical solution: a kind of acid-mist corrosion ventilation butterfly valve, including valve body, valve rod,
Butterfly plate and the valve seat that sealing is formed with butterfly plate, the valve body includes main valve body and auxiliary valve body, and the auxiliary valve body enters towards medium
It is arranged at mouthful, and is connected with main valve body by flange；It further include current cutting off protection mechanism, the current cutting off protection mechanism includes being plugged in
Fixed plate in auxiliary valve body, the movable plate being affixed with fixed plate and the adjusting spiral shell for being inserted on movable plate and being threadedly coupled with it
Several through-holes for flow of media are equipped on bar, the fixed plate and movable plate, the movable plate is equipped with several
Elastic sealing element, the elastic sealing element are staggered with through-hole, and the movable plate can opposing fixed plate upper and lower displacement.
In above structure, butterfly plate strength is caused to decline when butterfly plate is heated, it is not close with valve base sealing, when needing repairing, lead to
Screw rod control movable plate is overregulated to shift up to making elastic sealing element and through-hole cooperate sealing, so as to which medium is truncated
Flowing；After the intracorporal medium flow field of main valve is complete, main valve body is repaired from auxiliary valve body and dismounting on pipeline by tool.Pass through
Current cutting off protection mechanism and auxiliary valve body, which is arranged, can be convenient for the dismounting and maintenance of main valve body, to improve the safety of workpeople
Property, eliminate security risk.After maintenance of valve is good, movable plate is adjusted to by valve interior wall bottom by adjusting screw rod, is operated
It is simple and convenient.It can be easy to implement sealing or circulation with through-hole by the way that elastic sealing element is arranged, increase the utility model
Stability.
The utility model is further arranged to, and the movable plate is equipped with stepped groove, and the elastic sealing element includes being located at
Seal head, the connecting rod being connected with seal head, the stopper being set in connecting rod of sealing are formed in stepped groove and with through-hole
And it is set in the spring in connecting rod and between stopper and stepped groove inner wall.
In above structure, sealing is adapted to through-hole by seal head, increases leakproofness, to increase the utility model
Reliability.Seal head can be allowed to realize sealing or circulation with through-hole by the way that spring is arranged, and can be increased by the way that spring is arranged
Encrypt the leakproofness between end socket and through-hole.It can prevent connecting rod from deviating from out of stepped groove by the way that stopper is arranged, to increase
The reliability of the utility model is added.
The utility model is further arranged to, and the through-hole in the fixed plate is equipped with groove, institute towards the end of movable plate
Connecting rod is stated equipped with sealing block compatible with groove.
In above structure, elastic sealing element can be increased by setting groove and sealing block and pupil only seems leakproofness,
To increase the reliability of the utility model.
The utility model is further arranged to, and the groove and through-hole intersection are arranged in rounded corner.
In above structure, through-hole and seal head is enabled to preferably to realize sealing, sealing effect by the way that rounded corner is arranged
More preferably, it ensures that the stability shut off, increases the reliability of the utility model.
The utility model is further arranged to, and the fixed plate and movable plate use polytetrafluoroethylene (PTFE) material.
Using the above structure, the corrosion resistance of fixed plate and movable plate can be increased, to extend the use longevity of the two
Life.
The utility model is further arranged to, and is coated with alkaline layer on the fixed plate and movable plate.
Using the above structure, it is capable of the acidity of neutralization medium, reduces the corrosive effect that butterfly plate is subject to, to extends butterfly
The service life of plate increases the reliability of the utility model.
The utility model is further arranged to, and handwheel is equipped at the top of the adjusting screw rod.
Using the above structure, rotation adjusting screw rod can be convenient for, so as to be convenient for adjusting rising or falling for movable plate,
Increase the reliability of current cutting off protection mechanism.
The utility model is further arranged to, and the seal head uses polytetrafluoroethylene (PTFE) material or rubber material.
Using the above structure, wearability, the corrosion resistance of seal head can be increased, thus extend its service life and
Increase the leakproofness between seal head and through-hole.
The utility model has the beneficial effects that compare existing ventilation butterfly valve, the utility model structure is simple, good airproof performance,
Highly-safe, long service life and easy to repair.Butterfly plate strength is caused to decline when butterfly plate is heated, it is not close with valve base sealing,
When needing repairing, movable plate is controlled by adjusting screw rod shifts up to cooperating elastic sealing element and through-hole and seal, thus
The flowing of medium can be truncated；After the intracorporal medium flow field of main valve is complete, main valve body is torn open from auxiliary valve body and pipeline by tool
Except repairing.It can be convenient for the dismounting and maintenance of main valve body by setting current cutting off protection mechanism and auxiliary valve body, to be promoted
The safety of workpeople, eliminates security risk, and increase the corrosion resistance of the utility model.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Fig. 3 is the side structure schematic view of main valve body in the utility model.
Figure label meaning: 1- valve body；11- main valve body；12- auxiliary valve body；2- valve rod；3- butterfly plate；4- valve seat；5- shuts off guarantor
Protect mechanism；51- fixed plate；511- groove；52- movable plate；521- stepped groove；53- adjusting screw rod；54- through-hole；6- elastic packing
Part；61- seal head；62- connecting rod；63- stopper；64- spring；65- sealing block；7- handwheel.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
A kind of acid-mist corrosion ventilation butterfly valve as shown in Figure 1 to Figure 3, including valve body 1, valve rod 2, butterfly plate 3 and and butterfly
Plate 3 forms the valve seat 4 of sealing, and the valve body 1 includes main valve body 11 and auxiliary valve body 12, and the auxiliary valve body 12 is towards at medium inlet
Setting, and be connected with main valve body 11 by flange；It further include current cutting off protection mechanism 5, the current cutting off protection mechanism 5 includes being plugged in
The movable plate 52 and be inserted on movable plate 52 and connect with its screw thread that fixed plate 51 and fixed plate 51 in auxiliary valve body 12 are affixed
Several through-holes 54 for flow of media are equipped on the adjusting screw rod 53 connect, the fixed plate 51 and movable plate 52, it is described
Movable plate 52 is equipped with several elastic sealing elements 6, and the elastic sealing element 6 is staggered with through-hole 54, the movable plate 52
It can 51 upper and lower displacement of opposing fixed plate.
In above structure, 3 intensity of butterfly plate is caused to decline when butterfly plate 3 is heated, it is not close with the sealing of valve seat 4, when needing repairing,
Movable plate 52 is controlled by adjusting screw rod 53 shift up to cooperating elastic sealing element 6 and through-hole 54 seal, so as to
The flowing of medium is truncated；After the medium flow field in main valve body 11 is complete, by tool by main valve body 11 from auxiliary valve body 12 and pipeline
Dismounting repairs.It can be convenient for the dismounting and maintenance of main valve body 11 by setting current cutting off protection mechanism 5 and auxiliary valve body 12, from
And the safety of workpeople is improved, eliminate security risk.After maintenance of valve is good, by adjusting screw rod 53 by movable plate 52
It is adjusted to 1 inner wall bottom of valve body, it is simple to operate.It can be easy to implement by setting elastic sealing element 6 close with through-hole 54
Envelope or circulation, increase the stability of the utility model.
In the present embodiment, the movable plate 52 is equipped with stepped groove 521, and the elastic sealing element 6 includes being located at stepped groove
The seal head 61 of sealing is formed in 521 and with through-hole 54, the connecting rod 62 being connected with seal head 61, is set in connecting rod 62
Stopper 63 and it is set in spring 64 in connecting rod 62 and between 521 inner wall of stopper 63 and stepped groove.
In above structure, sealing is adapted to through-hole 54 by seal head 61, increases leakproofness, to increase practical
Novel reliability.Seal head 61 can be allowed to realize sealing or circulation with through-hole 54 by the way that spring 64 is arranged, and pass through setting
Spring 64 can increase the leakproofness between seal head 61 and through-hole 54.By be arranged stopper 63 can prevent connecting rod 62 from
Abjection in stepped groove 521, to increase the reliability of the utility model.
In the present embodiment, the through-hole 54 in the fixed plate 51 is equipped with groove 511, the company towards the end of movable plate 52
Extension bar 62 is equipped with sealing block 65 compatible with groove 511.
In above structure, by setting groove 511 and sealing block 65 can increase elastic sealing element 6 only seem with pupil it is close
Feng Xing, to increase the reliability of the utility model.
In the present embodiment, the groove 511 is arranged with 54 intersection of through-hole in rounded corner.
In above structure, through-hole 54 and seal head 61 is enabled to preferably to realize sealing, sealing by the way that rounded corner is arranged
Effect is more preferable, ensures that the stability shut off, and increases the reliability of the utility model.
In the present embodiment, the fixed plate 51 uses polytetrafluoroethylene (PTFE) material with movable plate 52.
Using the above structure, the corrosion resistance of fixed plate 51 Yu movable plate 52 can be increased, to extend making for the two
Use the service life.
In the present embodiment, alkaline layer is coated on the fixed plate 51 and movable plate 52.
Using the above structure, it is capable of the acidity of neutralization medium, reduces the corrosive effect that butterfly plate 3 is subject to, to extends
The service life of butterfly plate 3 increases the reliability of the utility model.
In the present embodiment, handwheel is equipped at the top of the adjusting screw rod 53.
Using the above structure, can convenient for rotation adjusting screw rod 53, so as to convenient for adjust movable plate 52 rising or
Decline, increases the reliability of current cutting off protection mechanism 5.
In the present embodiment, the seal head 61 uses polytetrafluoroethylene (PTFE) material or rubber material.
Using the above structure, wearability, the corrosion resistance of seal head 61 can be increased, thus extend its service life with
And increase leakproofness between seal head 61 and through-hole 54.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications, above-mentioned vacation can also be made
If these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of acid-mist corrosion ventilation butterfly valve, special including valve body, valve rod, butterfly plate and the valve seat sealed with butterfly plate formation
Sign is: the valve body includes main valve body and auxiliary valve body, and the auxiliary valve body passes through towards setting at medium inlet with main valve body
Flange is connected；It further include current cutting off protection mechanism, the current cutting off protection mechanism includes the fixed plate being plugged in auxiliary valve body and fixes
On the movable plate that plate is affixed and the adjusting screw rod for being inserted on movable plate and being threadedly coupled with it, the fixed plate and movable plate
Several through-holes for flow of media are equipped with, the movable plate is equipped with several elastic sealing elements, the elastic packing
Part is staggered with through-hole, and the movable plate can opposing fixed plate upper and lower displacement.
2. a kind of acid-mist corrosion ventilation butterfly valve according to claim 1, it is characterised in that: the movable plate is equipped with rank
Terraced slot, the elastic sealing element include being located in stepped groove and forming the seal head of sealing, the company being connected with seal head with through-hole
Extension bar, the stopper being set in connecting rod and it is set in bullet in connecting rod and between stopper and stepped groove inner wall
Spring.
3. a kind of acid-mist corrosion ventilation butterfly valve according to claim 2, it is characterised in that: the through-hole in the fixed plate
It is equipped with groove towards the end of movable plate, the connecting rod is equipped with sealing block compatible with groove.
4. a kind of acid-mist corrosion ventilation butterfly valve according to claim 3, it is characterised in that: the groove intersects with through-hole
Place is arranged in rounded corner.
5. a kind of acid-mist corrosion ventilation butterfly valve according to claim 1, it is characterised in that: the fixed plate and movable plate
Using polytetrafluoroethylene (PTFE) material.
6. a kind of acid-mist corrosion ventilation butterfly valve according to claim 5, it is characterised in that: the fixed plate and movable plate
On be coated with alkaline layer.
7. a kind of acid-mist corrosion ventilation butterfly valve according to claim 1, it is characterised in that: set at the top of the adjusting screw rod
There is handwheel.
8. a kind of acid-mist corrosion ventilation butterfly valve according to claim 2, it is characterised in that: the seal head uses poly- four
Vinyl fluoride material or rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821858191.5U CN209041592U (en) | 2018-11-12 | 2018-11-12 | A kind of acid-mist corrosion ventilation butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821858191.5U CN209041592U (en) | 2018-11-12 | 2018-11-12 | A kind of acid-mist corrosion ventilation butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041592U true CN209041592U (en) | 2019-06-28 |
Family
ID=67042241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821858191.5U Active CN209041592U (en) | 2018-11-12 | 2018-11-12 | A kind of acid-mist corrosion ventilation butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792783A (en) * | 2019-11-07 | 2020-02-14 | 晟福（天津）流体自动控制设备有限公司 | Valve with protective device |
| CN111765262A (en) * | 2020-07-09 | 2020-10-13 | 温州品力智能幕墙门窗有限公司 | Fire control air pipe valve ventilating board |
-
2018
- 2018-11-12 CN CN201821858191.5U patent/CN209041592U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792783A (en) * | 2019-11-07 | 2020-02-14 | 晟福（天津）流体自动控制设备有限公司 | Valve with protective device |
| CN111765262A (en) * | 2020-07-09 | 2020-10-13 | 温州品力智能幕墙门窗有限公司 | Fire control air pipe valve ventilating board |
| CN111765262B (en) * | 2020-07-09 | 2022-06-10 | 江苏申新工程有限公司 | Fire control air pipe valve ventilating board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of ventilation butterfly valve against acid mist corrosion Effective date of registration: 20200909 Granted publication date: 20190628 Pledgee: Agricultural Bank of China Limited Wenzhou Ouhai sub branch Pledgor: ZHEJIANG BAITONG ANTICORROSION EQUIPMENT Co.,Ltd. Registration number: Y2020330000657 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |