CN206458880U - Fluid line Pneumatic safety quick action emergency valve - Google Patents
Fluid line Pneumatic safety quick action emergency valve Download PDFInfo
- Publication number
- CN206458880U CN206458880U CN201720049806.9U CN201720049806U CN206458880U CN 206458880 U CN206458880 U CN 206458880U CN 201720049806 U CN201720049806 U CN 201720049806U CN 206458880 U CN206458880 U CN 206458880U
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- valve body
- valve
- quick action
- top cover
- vertical shaft
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Abstract
The utility model discloses a kind of fluid line Pneumatic safety quick action emergency valve, including valve body, spring, flap and cylinder, the top of valve body is provided with top cover, the bottom of valve body is provided with lower flange, the valve body of valve body is provided with upper flange, the inner chamber wall of valve body is provided with tapered slope, flap is provided with vertical shaft and bottom valve, vertical shaft is slided up and down with top cover and is connected, bottom valve is sealed with tapered slope to be coordinated, spring housing is on vertical shaft, the top of spring, bottom respectively with top cover, bottom valve offsets, the quick action emergency valve also includes swing arm, balance staff, connecting rod and push rod, the bottom of bottom valve is provided with groove, connecting rod and push rod are located at the interior intracavitary of valve body, swing arm lower end is rotatedly connected with cylinder piston rod, swing arm upper end is fixedly linked with balance staff one end, the other end of balance staff is fixedly linked with connecting rod, the axle body of balance staff is rotated with valve body to be connected and both sealing cooperations, push rod lower end is connected with link rotatable, push rod upper end is located in the groove of bottom valve.The utility model is lightweight, and cost is low, and security performance is high.
Description
Technical field
The utility model is related to a kind of valve, more particularly to a kind of pneumatic emergency stop valve for fluid line.
Background technology
Pneumatic emergency stop valve is one kind of executing agency in automation control system, for fluid line such as tank truck
The cut-out of fluids within pipes, connect or switch.Existing pneumatic emergency stop valve, such as Chinese utility model patent
A kind of structure disclosed in ZL201520000612.0, it includes being provided with support, flap on valve body, flap, the valve body
End, which is provided with clamping platform, clamping platform, is connected with spring；The support generally cylindrical structural is designed, support bottom
Portion is three leg structure designs, and pedestal upper end designs for hook structure, three pin are connected with the hook structure and are grabbed, three pin
Grab center and be provided with centre bore, the centre bore is connected with flap；The flap is provided with sealing ring with valve body contact position,
Also it is bolted on valve body and is provided with cylinder fixed support, cylinder is provided with the cylinder fixed support, cylinder one end is set
Meltable device and gas-tpe fitting are equipped with, the other end is connected with spanner and drive link, the spanner and drive link are with being arranged on valve
Internal push rod connection.The quick action emergency valve of this structure gets stuck to have made in problem in flap to be correspondingly improved, but in work
During also to there is structure more complicated, weight is big, high and poor safety performance the shortcoming of manufacturing cost.
The content of the invention
The technical problems to be solved in the utility model is to provide one kind and is not only simple in structure, and manufacturing cost is low, and performance
Reliably, the high fluid line Pneumatic safety quick action emergency valve of safety coefficient.
In order to solve the above technical problems, the utility model uses such a fluid line Pneumatic safety quick action emergency valve,
Including valve body, spring, flap and cylinder, the top of the valve body is provided with top cover, and the bottom of valve body is provided with can be solid with fluid line
Surely the lower flange being connected, the valve body of valve body is provided with the upper flange that can be fixedly linked with tank truck bottom, the inner chamber wall of valve body
Tapered slope is provided with, the flap is provided with vertical shaft straight up and is arranged vertically and is in the bottom valve of frustum, institute with vertical shaft
State vertical shaft and slided up and down with top cover and is connected, the tapered slope sealing of the bottom valve and valve body coordinates, and the spring housing is mounted in vertical shaft
On, and top, the bottom of spring offset with top cover, bottom valve respectively, the quick action emergency valve also includes swing arm, balance staff, connecting rod and top
Bar, the bottom of the bottom valve is provided with groove, and the connecting rod and push rod are located at the interior intracavitary of valve body, the lower end of the swing arm with it is described
The piston rod rotation of cylinder is connected, and the upper end of swing arm and one end of the balance staff are fixedly linked, the other end of balance staff and the company
Bar is fixedly linked, and the axle body and valve body of balance staff, which are rotated, to be connected and both sealing cooperations, lower end and the link rotatable phase of the push rod
Even, the upper end of push rod is located in the groove of the bottom valve.
As a kind of preferred embodiment of the present utility model, provided with tight on the valve body and positioned at the lower section of upper flange
Eager fault trough；The valve body and flap are made by aluminium alloy casting.
In the utility model, the top of the top cover and valve body to be detachably connected, the vertical shaft by wear-resistant sleeve with
Top cover slides up and down connection.
In the utility model, an air cylinder support, the cylinder are also installed with the lower flange of the valve body
Bottom be hinged with air cylinder support.
After said structure, the utility model has the advantages that：
The utility model uses swing arm, balance staff, connecting rod and push rod, realizes the opening and closing of quick action emergency valve, structure letter
Single, dependable performance, safety coefficient is high, and manufacturing cost is low.
The utility model sets emergency cut-off groove on valve body, so after connecting line is by specified external force collision, valve
The emergency cut-off groove fracture of body so that the quick action emergency valve top half at upper flange forms one with tank truck bottom, so that
It effectively prevent the generation of fluid leakage accident.
Valve body and flap of the present utility model are cast using aluminium alloy so that overall weight is slim and graceful.
Top cover of the present utility model is used with body top and is detachably connected so that the dismounting of top cover is simple and convenient.
Brief description of the drawings
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a kind of structural representation of the utility model fluid line Pneumatic safety quick action emergency valve.
Fig. 2 is the partial schematic sectional view of the utility model fluid line Pneumatic safety quick action emergency valve.
Fig. 3 is valve body, spring, flap, a kind of mounting structure schematic diagram of connecting rod and push rod in the utility model.
Embodiment
Referring to a kind of fluid line Pneumatic safety quick action emergency valve shown in Fig. 1 to Fig. 3, including valve body 1, spring 2, flap
3 and cylinder 4, the top of the valve body 1 is provided with top cover 1a, and the bottom of valve body 1 with fluid line provided with can be bolted phase
Lower flange 1b even, the valve body of valve body 1 is provided with can be bolted the upper flange 1c being connected, valve body 1 with tank truck bottom
Inner chamber wall be provided with tapered slope 1d, the flap 3 provided with straight up vertical shaft 3a and be arranged vertically with vertical shaft 3a and
In the bottom valve 3b of frustum, the vertical shaft 3a is slided up and down with top cover 1a to be connected, and the bottom valve 3b passes through O-ring seal 11 and valve
The tapered slope 1d sealings of body 1 coordinate, and the spring 2 is sleeved on vertical shaft 3a, and the top of spring 2, bottom respectively with top cover
1a, bottom valve 3b offset, and the quick action emergency valve also includes swing arm 5, balance staff 6, connecting rod 7 and push rod 8, and the bottom of the bottom valve 3b is provided with
Groove 3b-1, the connecting rod 7 and push rod 8 are located at the interior intracavitary of valve body 1, and the lower end of the swing arm 5 passes through bearing pin and the cylinder
4 piston rod 4a is rotatedly connected, and the upper end of swing arm 5 passes through one end stationary phase of square hole side's body structure and bolt and the balance staff 6
Even, the other end of balance staff 6 is fixedly linked by square hole side's body structure and bolt with the connecting rod 7, axle body and the valve body 1 of balance staff 6
Rotate connection and both are coordinated by conical seal ring 12 and the sealing of O-ring seal 13, the lower end of the push rod 8 passes through bearing pin 14
It is rotatedly connected with connecting rod 7, the upper end of push rod 8 is located in the groove 3b-1 of the bottom valve 3b.
As a kind of preferred embodiment of the present utility model, as shown in Figure 2,3, on the valve body 1 and positioned at upper method
Blue 1c lower section is provided with emergency cut-off groove 1e, and emergency cut-off groove 1e can take the shape of the letter U or the shape such as triangle；The valve body 1 and its
Top cover 1a and flap 3 are made by aluminium alloy casting.
In the utility model, as shown in Figure 2,3, the top cover 1a and valve body 1 top are removable preferably by jump ring 15
Connection is unloaded, the vertical shaft 3a is slided up and down by wear-resistant sleeve 9 such as copper sheathing with top cover 1a to be connected.
In the utility model, as shown in Figure 1, 2, also it is fixedly mounted by bolt on the lower flange 1b of the valve body 1
There is an air cylinder support 10, the bottom of the cylinder 4 is hinged by hinge axis 16 with air cylinder support 10.
During utility model works, as shown in Fig. 2 be passed through in the gas-tpe fitting 4b of cylinder 4 >=0.4MPa air pressure, cylinder
Piston rod 4a promotes swing arm 5 to rotate, and drives balance staff 6 to make counterclockwise rotates, and further drivening rod 7 counterclockwise turns
Dynamic so that push rod 8 overcomes the elastic force of spring 2, the certain distance of top valve opening valve 3 realizes the unlatching of quick action emergency valve；When closing source of the gas
Afterwards, flap 3 is pushed down push rod 8 and fallen after rise so that O-ring seal 11 is sealed in bottom valve 3b and valve body 1 under the elastic force effect of spring 2
Tapered slope 1d between, while connecting rod 7, balance staff 6 and swing arm 5 are rotated clockwise, cylinder piston rod 4a playback is realized urgent
The closing of stop valve.On valve body 1 set emergency cut-off groove 1e, after connecting line is by specified external force collision, valve body 1 it is urgent
Cutting groove 1e is broken so that the quick action emergency valve top half at upper flange 1c forms one with tank truck bottom, so that effectively
Prevent the generation of fluid leakage accident.
Through trying out, the utility model is simple in construction, lightweight, and cost is low, and security performance is high, achieves good effect.
Claims (4)
1. a kind of fluid line Pneumatic safety quick action emergency valve, including valve body（1）, spring（2）, flap（3）And cylinder（4）, institute
State valve body（1）Top be provided with top cover（1a）, valve body（1）Bottom be provided with the lower flange that can be fixedly linked with fluid line
（1b）, valve body（1）Valve body be provided with the upper flange that can be fixedly linked with tank truck bottom（1c）, valve body（1）Inner chamber wall
It is provided with tapered slope（1d）, the flap（3）Provided with vertical shaft straight up（3a）With with vertical shaft（3a）It is arranged vertically and is in
The bottom valve of frustum（3b）, the vertical shaft（3a）With top cover（1a）Slide up and down connection, the bottom valve（3b）With valve body（1）Cone
Shape inclined-plane（1d）Sealing coordinates, the spring（2）It is sleeved on vertical shaft（3a）On, and spring（2）Top, bottom respectively with top cover
（1a）, bottom valve（3b）Offset, it is characterised in that：The quick action emergency valve also includes swing arm（5）, balance staff（6）, connecting rod（7）And push rod
（8）, the bottom valve（3b）Bottom be provided with groove（3b-1）, the connecting rod（7）And push rod（8）Positioned at valve body（1）Inner chamber
It is interior, the swing arm（5）Lower end and the cylinder（4）Piston rod（4a）It is rotatedly connected, swing arm（5）Upper end and the balance staff
（6）One end be fixedly linked, balance staff（6）The other end and the connecting rod（7）It is fixedly linked, balance staff（6）Axle body and valve body（1）
Rotate connection and both sealings coordinate, the push rod（8）Lower end and connecting rod（7）It is rotatedly connected, push rod（8）Upper end be located at institute
State bottom valve（3b）Groove（3b-1）It is interior.
2. fluid line Pneumatic safety quick action emergency valve according to claim 1, it is characterised in that：In the valve body（1）
Above and positioned at upper flange（1c）Lower section be provided with emergency cut-off groove（1e）；The valve body（1）And flap（3）Cast by aluminium alloy
It is made.
3. fluid line Pneumatic safety quick action emergency valve according to claim 1, it is characterised in that：The top cover（1a）With
Valve body（1）Top to be detachably connected, the vertical shaft（3a）Pass through wear-resistant sleeve（9）With top cover（1a）Slide up and down connection.
4. the fluid line Pneumatic safety quick action emergency valve according to claim 1 or 2 or 3, it is characterised in that：In the valve
Body（1）Lower flange（1b）On be also installed with an air cylinder support（10）, the cylinder（4）Bottom and air cylinder support
（10）It is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720049806.9U CN206458880U (en) | 2017-01-17 | 2017-01-17 | Fluid line Pneumatic safety quick action emergency valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720049806.9U CN206458880U (en) | 2017-01-17 | 2017-01-17 | Fluid line Pneumatic safety quick action emergency valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206458880U true CN206458880U (en) | 2017-09-01 |
Family
ID=59695786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720049806.9U Active CN206458880U (en) | 2017-01-17 | 2017-01-17 | Fluid line Pneumatic safety quick action emergency valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206458880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207236A (en) * | 2018-11-21 | 2020-05-29 | 松下家电研究开发（杭州）有限公司 | Drain valve device, washing machine and valve core pull rod swing angle adjusting method |
-
2017
- 2017-01-17 CN CN201720049806.9U patent/CN206458880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207236A (en) * | 2018-11-21 | 2020-05-29 | 松下家电研究开发（杭州）有限公司 | Drain valve device, washing machine and valve core pull rod swing angle adjusting method |
| CN111207236B (en) * | 2018-11-21 | 2021-11-23 | 松下家电(中国)有限公司 | Drain valve device, washing machine and valve core pull rod swing angle adjusting method |
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