CN206386519U - Pinch valve - Google Patents
Pinch valve Download PDFInfo
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- CN206386519U CN206386519U CN201621208466.1U CN201621208466U CN206386519U CN 206386519 U CN206386519 U CN 206386519U CN 201621208466 U CN201621208466 U CN 201621208466U CN 206386519 U CN206386519 U CN 206386519U
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- valve body
- sleeve pipe
- pinch
- valve
- described sleeve
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Abstract
The utility model discloses a kind of pinch valve, the pinch valve includes upper valve body, lower valve body and sleeve pipe；The upper valve body passes through the valve body cavity with lower valve body snapping formation valve body cavity, described sleeve pipe, and described sleeve pipe is located between the upper valve body and the lower valve body；The bottom of the lower valve body offers liquid-leaking nozzle；The pinch valve also includes conversion block, positive electrode, negative electrode and the alarm of insulation, and the conversion block, which is located on the outside of the lower valve body, the conversion block, offers holding tank, and the notch of the holding tank is connected with the liquid-leaking nozzle；The positive electrode and the negative electrode are arranged on the bottom land of the holding tank；The alarm is electrically connected with the positive electrode and the negative electrode.Using the utility model, casing collapse can be captured in time causes strong acid high-temperature medium to leak information, realizes processing in time, it is to avoid environment is threatened, and eliminates aluminous fly-ash and extracts potential safety hazard in alumina system.
Description
Technical field
The utility model belongs to pipeline valve field, more particularly to a kind of pinch valve.
Background technology
With Coal Resource Development and large-size thermal power plant construction in recent years, aluminous fly-ash is appeared in as one kind
The new flyash type of China central and west regions, the content of its alundum (Al2O3), up to 50% or so, is very valuable regeneration
Aluminum-containing mineral resource.
Aluminous fly-ash is extracted to be needed to be controlled acidic fluid medium using a large amount of valves in alumina system, it is desirable to valve
Material in door with acidic fluid medium contact portion has higher high temperature resistant, corrosion-resistant and erosion resistibility.Pinch valve
With the sleeve pipe for media flow, it can realize the pass of pinch valve by extruding or unclamping sleeve pipe, open, wherein, sleeve pipe and medium
Miscellaneous part in mere contact, pinch valve not with physical contact between media, it is adaptable to aluminous fly-ash extracts alumina system.Make
During, due to other reasonses such as sleeve pipe agings, the casing collapse of pinch valve will cause strong acid high-temperature medium to leak, existing skill
Art can not obtain medium in time and leak information, and processing not in time, causes to affect greatly environment, be that aluminous fly-ash is extracted
Major safety risks present in alumina system.
Utility model content
In view of this, the utility model provides a kind of pinch valve, it is intended to which capture casing collapse causes strong acid high temperature to be situated between in time
Matter leaks information, realizes processing in time, it is to avoid environment is threatened, and eliminates aluminous fly-ash and extracts in alumina system
Potential safety hazard, so as to solve the deficiencies in the prior art.
Pinch valve provided by the utility model includes upper valve body, lower valve body and sleeve pipe；The upper valve body with it is described under
Valve body snapping formation valve body cavity, described sleeve pipe pass through the valve body cavity, and described sleeve pipe be located at the upper valve body with it is described under
Between valve body；The bottom of the lower valve body offers liquid-leaking nozzle；The pinch valve also includes the conversion block of insulation, positive electrode, negative
Electrode and alarm, the conversion block, which is located on the outside of the lower valve body, the conversion block, offers holding tank, described
The notch of holding tank is connected with the liquid-leaking nozzle；The positive electrode and the negative electrode are arranged on the bottom land of the holding tank；Institute
Alarm is stated to electrically connect with the positive electrode and the negative electrode.
Further, the pinch valve also includes guide rod, upperpush rod and down-pressed pole, and the guide rod is arranged on the valve body
In chamber, the upperpush rod and the down-pressed pole are slidably attached on the guide rod, and described sleeve pipe is held on the upper pressure
Between bar and the down-pressed pole.
Further, locating part is additionally provided between the upperpush rod and the down-pressed pole, the height of the locating part is less than
The thickness of the tube wall of twice of described sleeve pipe.
Further, described sleeve pipe includes rubber outer, folder cloth middle level and rubber inner layer, and the rubber inner layer is hydrogenation fourth
Nitrile rubber layer.
Further, the upper valve body and the inner surface of the lower valve body scribble fluoroplastics or paint.
Further, the pinch valve also includes being fixedly connected with the upper valve body in valve seal bar, the lower valve body
Surface offer valve seal groove, the valve seal bar is arranged in the valve seal groove.
Further, the external diameter of the valve seal groove is less than the groove depth of the valve seal groove.
Further, described sleeve pipe is connected with the upper valve body and the lower valve body flange.
Preferably, the pinch valve also includes flange seal bar, offer the surface of the valve seal groove with it is described under
The flange face intersection of valve body offers flange sealing trough, and the flange seal bar is arranged in the flange sealing trough.
Using the utility model pinch valve, by setting conversion block, positive electrode, negative electrode and alarm, capture in time
Casing collapse causes strong acid high-temperature medium to leak information, realizes processing in time, it is to avoid environment is threatened, eliminates safety hidden
Suffer from；By setting locating part, it effectively prevent upperpush rod and the unlimited clamp sleeve of down-pressed pole and damage sleeve pipe, it is ensured that at pinch valve
In the cased decrement of closed mode in suitable scope；By setting valve seal bar and flange seal bar, and
The inner surface spraying fluoroplastics or paint of upper valve body, lower valve body, improve the sealing property of pinch valve, it is ensured that reasonably robbing
Repair in the reaction time limit, medium will not leak from pinch valve.
Brief description of the drawings
Preferred embodiment in the utility model will be described in detail by accompanying drawing below, it will help understand the purpose of the present invention
And advantage, wherein:
Fig. 1 is the structural representation of the utility model preferred embodiment；
Fig. 2 is the structural representation of the utility model lower valve body；
Fig. 3 is the enlarged drawing of A in Fig. 2.
Embodiment
The utility model is described in detail with reference to embodiment.Wherein identical parts identical accompanying drawing mark
Note is represented.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description are referred to
Direction in accompanying drawing, word " interior " and " outer " are referred respectively to towards or away from the direction of particular elements geometric center.
Fig. 1 is the structural representation of the utility model preferred embodiment, as shown in figure 1, this preferred embodiment pinch valve bag
Include：Upper valve body 1；Lower valve body 2；Sleeve pipe 3；Support 4；Upperpush rod 5；Down-pressed pole 6；Guide rod 7；Drive rod 8；Valve rod 9；Self-lubricating axle
Set 10；Locating part 11；Conversion block 12；Positive electrode 131；Negative electrode 132；Nut 14,15,16,19；Key 20；Screw 21；And drive
Start wheel 17.The driving handwheel 17 is fixedly connected with the drive rod 8, and the drive rod 8 is joined with the valve rod 9 using type face
Connect, the valve rod 9 is connected with the upperpush rod 5 using spiral, described sleeve pipe 3 is compressible flexible pipe, by rotating driving handwheel
17 can realize that upperpush rod 5 is slided up and down, when 5 slide downward of upperpush rod, compress described sleeve pipe 3, realize pinch valve
Closing, when 5 upward sliding of upperpush rod, described sleeve pipe 3 recover conducting form, realize the unlatching of pinch valve.
The upper valve body 1 passes through the valve body cavity, and institute with the snapping of lower valve body 2 formation valve body cavity, described sleeve pipe 3
Sleeve pipe 3 is stated to be located between the upper valve body 1 and the lower valve body 2；The bottom of the lower valve body 2 offers liquid-leaking nozzle；The folder
Pipe valve also includes conversion block 12, positive electrode 131, negative electrode 132 and the alarm of insulation, and the conversion block 12 is located at described
Holding tank is offered on the outside of lower valve body 2, the conversion block 12, the notch of the holding tank is connected with the liquid-leaking nozzle；Institute
State positive electrode 131 and the negative electrode 132 is arranged on the bottom land of the holding tank；The alarm and the positive electrode 131 and
The negative electrode 132 is electrically connected.
During use, when described sleeve pipe 3 is damaged, dielectric leakage, the medium spilt is flowed to by the liquid-leaking nozzle
The holding tank, because medium is conductive, the positive electrode 131 and the negative electrode 132 soak in media as well and turned on, institute
State alarm and send alarm.Using this preferred embodiment, capture sleeve pipe 3 rupture in time causes strong acid high-temperature medium to leak information,
Realize processing in time, it is to avoid environment is threatened, potential safety hazard is eliminated, while manufacturing cost is relatively low.
As shown in figure 1, the guide rod 7 is arranged in the valve body cavity, the upperpush rod 5 and the down-pressed pole 6 can be slided
It is connected to dynamicly on the guide rod 7, described sleeve pipe 3 is held between the upperpush rod 5 and the down-pressed pole 6.It is described to be oriented to
Bar 7 ensures that the upperpush rod 5 and the down-pressed pole 6 keep linear motion, same time limit during pinch valve is turned on and off
Position described sleeve pipe 3, it is to avoid the problems such as stuck or 3 sideslip of described sleeve pipe occur in pinch valve running occurs.
In this preferred embodiment, the height of the locating part 11 is less than the thickness of the tube wall of twice of described sleeve pipe 3, the limit
The short transverse of position part 11 is that the direction of the down-pressed pole 6 is arrived along the upperpush rod 5, and the gag lever post ensure that when operation clamp
When valve closing reaches certain limit, the upperpush rod 5 is connected at the top of the gag lever post, the bottom of the gag lever post is abutted
In the down-pressed pole 6, effectively prevent the upperpush rod 5 and the down-pressed pole 6 from unrestrictedly compressing described sleeve pipe 3, shorten institute
The life-span of sleeve pipe 3 is stated, makes decrement of the described sleeve pipe 3 when pinch valve is closed in suitable scope.
In this preferred embodiment, described sleeve pipe 3 is included in rubber outer, folder cloth middle level and rubber inner layer, the rubber
Layer is hydrogenated nitrile-butadiene rubber layer.Rubber outer, folder cloth middle level and rubber inner layer are formed as one, by setting folder cloth middle level can
Ensure that described sleeve pipe 3 has high-voltage resistance capability, rubber inner layer ensure that described sleeve pipe 3 has higher service life and corrosion resistant
Corrosion.
In this preferred embodiment, the inner surface of the upper valve body 1 and the lower valve body 2 scribbles fluoroplastics or paint.Make
During, when dielectric leakage, which flows out described sleeve pipe 3, enters the intracavitary of the lower valve body 2, it is ensured that the pinch valve short time
It is interior will not be corroded it is bad, for repairing gain time.
Fig. 2 is the structural representation of the utility model lower valve body；Fig. 3 is the enlarged drawing of A in Fig. 2.Such as Fig. 2 and Fig. 3 institutes
Show, this preferred embodiment pinch valve also includes what is be fixedly connected in valve seal bar 18, the lower valve body 2 with the upper valve body 1
Surface offers valve seal groove, and the valve seal bar 18 is arranged in the valve seal groove；The valve seal groove
External diameter is less than the groove depth of the valve seal groove.By setting the valve seal groove and the valve seal bar 18, it is ensured that
Good seal performance between the upper valve body 1 and the lower valve body 2.
In this preferred embodiment, described sleeve pipe 3 is connected with the upper valve body 1 and the flange of the lower valve body 2, the clamp
Valve also includes flange seal bar, and the surface and the flange face intersection of the lower valve body 2 for offering the valve seal groove are opened up
There is flange sealing trough, the flange seal bar is arranged in the flange sealing trough.
Plane is sealed between the flange of the flange of the upper valve body 1, the flange of the lower valve body 2 and described sleeve pipe 3
Sealing, because described sleeve pipe 3 is quality of rubber materials, in the flange pressure of the upper valve body 1, the lower valve body 2 and described sleeve pipe 3
After tight, sealing will be realized between the upper valve body 1, the lower valve body 2 and described sleeve pipe 3.
As shown in FIG. 2 and 3, the boundary between the upper valve body 1, the lower valve body 2 and the three of described sleeve pipe 3
Place's sealing is installed by three parts to be formed, and common sealing ring is difficult to realize whole circle sealing.This preferred embodiment is being opened up
State the surface of valve seal groove and offer flange sealing trough, the flange seal bar with the flange face intersection of the lower valve body 2
In the flange sealing trough.Flange seal bar is positioned in the boundary groove of three, pass through after flange is tightened
The flange face supported flange sealing strip of described sleeve pipe 3, axially deforms flange seal bar, tamps groove, this preferred embodiment
In, fluid sealant is applied in flange sealing trough, it is ensured that flange seal bar fully tamps groove.
Using the utility model pinch valve, by setting conversion block 12, positive electrode 131, negative electrode 132 and alarm,
The rupture of capture sleeve pipe 3 causes strong acid high-temperature medium to leak information in time, realizes processing in time, it is to avoid environment is threatened, disappeared
Except potential safety hazard；By setting locating part 11, it effectively prevent upperpush rod 5 and the unlimited clamp sleeve 3 of down-pressed pole 6 and damage set
Pipe 3, it is ensured that pinch valve is closed the decrement of setting of casing 3 in suitable scope；By setting valve seal bar 18
And flange seal bar, and fluoroplastics or paint are sprayed in the inner surface of upper valve body 1, lower valve body 2, improve the sealing of pinch valve
Performance, it is ensured that within the rational repairing reaction time limit, medium will not leak from pinch valve.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a kind of pinch valve, including upper valve body, lower valve body and sleeve pipe；The upper valve body and lower valve body snapping formation valve
Body cavity, described sleeve pipe passes through the valve body cavity, and described sleeve pipe is located between the upper valve body and the lower valve body；Its feature
It is, the bottom of the lower valve body offers liquid-leaking nozzle；The pinch valve also include insulation conversion block, positive electrode, negative electrode,
And alarm, the conversion block, which is located on the outside of the lower valve body, the conversion block, offers holding tank, the holding tank
Notch connected with the liquid-leaking nozzle；The positive electrode and the negative electrode are arranged on the bottom land of the holding tank；The alarm
Device is electrically connected with the positive electrode and the negative electrode.
2. pinch valve according to claim 1, it is characterised in that the pinch valve also include guide rod, upperpush rod and under
Depression bar, the guide rod is arranged in the valve body cavity, and the upperpush rod and the down-pressed pole are slidably attached at described lead
To on bar, described sleeve pipe is held between the upperpush rod and the down-pressed pole.
3. pinch valve according to claim 2, it is characterised in that be additionally provided between the upperpush rod and the down-pressed pole
Locating part, the height of the locating part is less than the thickness of the tube wall of twice of described sleeve pipe.
4. pinch valve according to claim 1, it is characterised in that described sleeve pipe include rubber outer, folder cloth middle level and
Rubber inner layer, the rubber inner layer is hydrogenated nitrile-butadiene rubber layer.
5. pinch valve according to claim 1, it is characterised in that the upper valve body and the inner surface of the lower valve body are applied
There are fluoroplastics or paint.
6. the pinch valve according to claim 1-5 any one, it is characterised in that the pinch valve also includes valve seal
The surface being fixedly connected in bar, the lower valve body with the upper valve body offers valve seal groove, and the valve seal bar is installed
In the valve seal groove.
7. pinch valve according to claim 6, it is characterised in that it is close that the external diameter of the valve seal groove is less than the valve body
The groove depth of sealing groove.
8. pinch valve according to claim 6, it is characterised in that described sleeve pipe and the upper valve body and the lower valve body
Flange is connected.
9. pinch valve according to claim 8, it is characterised in that the pinch valve also includes flange seal bar, offers
The surface of the valve seal groove offers flange sealing trough, the flange seal bar with the flange face intersection of the lower valve body
In the flange sealing trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208466.1U CN206386519U (en) | 2016-11-09 | 2016-11-09 | Pinch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208466.1U CN206386519U (en) | 2016-11-09 | 2016-11-09 | Pinch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386519U true CN206386519U (en) | 2017-08-08 |
Family
ID=59486028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621208466.1U Active CN206386519U (en) | 2016-11-09 | 2016-11-09 | Pinch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206386519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413167A (en) * | 2020-11-20 | 2021-02-26 | 合肥工业大学 | Pipe clamp valve |
| CN114618420A (en) * | 2022-04-29 | 2022-06-14 | 江苏卓微生物科技有限公司 | Reaction device capable of automatically controlling liquid |
-
2016
- 2016-11-09 CN CN201621208466.1U patent/CN206386519U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413167A (en) * | 2020-11-20 | 2021-02-26 | 合肥工业大学 | Pipe clamp valve |
| CN114618420A (en) * | 2022-04-29 | 2022-06-14 | 江苏卓微生物科技有限公司 | Reaction device capable of automatically controlling liquid |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |