CN207814567U - A kind of unidirectional flame proof valve not interfering charging - Google Patents
A kind of unidirectional flame proof valve not interfering charging Download PDFInfo
- Publication number
- CN207814567U CN207814567U CN201721671637.9U CN201721671637U CN207814567U CN 207814567 U CN207814567 U CN 207814567U CN 201721671637 U CN201721671637 U CN 201721671637U CN 207814567 U CN207814567 U CN 207814567U
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- flap
- discharge nozzle
- control panel
- magnet
- wall
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Abstract
The utility model is related to dust conveying technology fields, disclose a kind of unidirectional flame proof valve not interfering charging, including shell, shell both ends are respectively arranged with feed pipe and discharge nozzle and the flap for opening and closing feed pipe；Inner walls are provided with the magnet that can adsorb flap, and magnet is located at same horizontal line with rotation axis；Enclosure interior is provided with control device, and control device includes the connecting rod hinged with inner walls, and one end of connecting rod is provided with the isolation board for separating magnet and flap, and another end is provided with the second clump weight；Setting can make the control panel that connecting rod rotates in discharge nozzle；The utility model flap is horizontally set on feed pipe top, control panel is overthrown by explosion time shock wave, connecting rod is set to rotate, it is fallen so as to cause flap, make flap and feed pipe mechanical seal, it can not only be propagated toward upstream by pipeline to avoid the shock wave and flame that explosion generates, avoid generating subsequent explosion, and flap does not interfere with dust transport.
Description
Technical field
The utility model is related to dust conveying technology fields, and in particular to a kind of unidirectional flame proof valve not interfering charging.
Background technology
Dust at present explosion is easily happened at grain and agricultural product dust, metallic dust, coal dust, pharmaceutical engineering powder, oil
The industries such as mechanical ash, textile industry fiber, timber processing.With the hair of production-scale continuous expansion and powder retrofit
Multiple trend is presented in the dust explosion accident of exhibition, China.On August 2nd, 2014, Fauna of Kunshan, Jiangsu Zhong Rong metal products Co., Ltd hair
Raw especially great aluminum dust explosion accident eventually leads to 146 people death, 258 people injury, 3.51 hundred million yuan of direct economic loss.For
Prevent the generation of fire and explosion accident, national departments concerned from requiring these workplaces that should take stringent explosion precaution.Flame proof
Valve is anti-by special designing, can stop that pressure wave and flame spread to it from the process equipment of dust explosion along pipe laying
The destroying infection that its process equipment generates, by explosion partition in part, by loss caused by inevitable dust explosion accident
It is preferably minimized.
Application No. is the patents of CN201710160378.1 to disclose a kind of unidirectional flame proof valve open in usual, it is characterised in that：
Including valve body, flap, magnet, deflector, pipe flange, the deflector is connected on the flap, the pipe flange includes tube method
Blue inclined-plane, the flap is under normal conditions by magnet effect together with magnet adsorption, and the separate pipe flange inclined-plane, when quick-fried
When fried generation, the flap is pushed deflector and flap by explosion wave percussion so that flap and the pipe flange
Inclined-plane is bonded, and forms mechanical seal, and the unidirectional flame proof valve is closed.Although this patent can separate explosion generate shock wave and
Flame, prevents subsequent explosion, but for convenience of explosion time, shock wave by flap and feed pipe mechanical seal, flap and into
Angle between expects pipe only has 20-30 °, to stop dust, influences transport of the dust in flame proof valve.
Utility model content
Based on the above technical problem, the utility model provides a kind of unidirectional flame proof valve not interfering charging, to solve
Existing unidirectional flame proof valve influences the technical issues of dust transport.
The technical solution adopted in the utility model is as follows：
A kind of unidirectional flame proof valve not interfering charging, including shell, shell both ends are respectively arranged with feed pipe and discharge nozzle
And the flap for opening and closing feed pipe；Described flap one end is provided with rotation axis, flap can be rotated around rotation axis and realize into
Expects pipe opens and closes；The flap is metallicl magnetic material, and the inner walls are provided with the magnet that can adsorb flap, magnet with turn
Moving axis is located at same horizontal line；It is provided with gap between the magnet and flap；
The enclosure interior is provided with control device, and control device includes the connecting rod hinged with inner walls, connecting rod
It can be rotated in vertical direction using hinge joint as the center of circle, one end of connecting rod is provided with the isolation board for separating magnet and flap,
Another end is provided with the second clump weight, and the isolation board can stretch into gap；
The connecting rod one side is provided with elastic, and discharge nozzle side wall is provided with and the matched through-hole of elastic, elasticity
Column stretches into through-hole and connects connecting rod with discharge nozzle；The elastic protrusion discharging inside pipe wall, elastic end is spherical shape；It is described
Elastic can be squeezed out the control panel of inner wall by being hinged on discharging inside pipe wall, and control panel length direction hangs down with discharge nozzle length direction
Directly, the inside pipe wall that discharges is located at control panel left side vertical and is provided with the supporting rod for being used to support control panel；
The inner walls are located at the limiting plate that restricted isolation board movement is arranged on the left of magnet；The limiting plate is located at magnetic
Iron one side is provided with to be located inside grooves and is provided with buffer board with matching grooves with the matched groove of isolation board, limiting plate,
Spring is provided between buffer board and limiting plate.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
1, the utility model flap is horizontally set on feed pipe top, overthrows control panel by explosion time shock wave, makes company
Extension bar rotates, and is fallen so as to cause flap, makes flap and feed pipe mechanical seal, the shock wave that can be not only generated to avoid explosion
It is propagated toward upstream by pipeline with flame, avoids generating subsequent explosion, and flap does not interfere with dust transport；
2, the utility model elastic end be spherical shape, spring column protrusion discharging inside pipe wall, not only can by connecting rod with go out
Expects pipe connects, and when control panel is overturn by shock wave, spring column can be squeezed out to discharge nozzle, connecting rod turns under the effect of gravity
It is dynamic, to make isolation board be moved between flap and magnet；
3, the utility model is provided with limiting plate, and isolation board can be limited between flap and magnet, avoid by limiting plate
Isolation board is by excessive velocities between flap and magnet, the case where causing flap that cannot be detached with magnet；It is set inside limiting plate
It is equipped with groove, isolation board can not only be blocked, but also the isolation board being arranged in groove can connect to avoid isolation board and limiting plate
After touch, dynamics is excessive, causes to rebound, and prevents limiting plate from resting between magnet and flap, causes flap cannot be with magnet point
From the case where；Groove can be such that isolation board is moved along the buffer board in groove, keep buffering effect more preferable.
Preferably, on the inner wall of the control panel setting in the lower part of the housing, the extended discharge nozzle of control panel, control panel top
It is provided with the first clump weight of extended discharge nozzle, the first clump weight can drive control panel acceleration to move down, avoid controlling
Plate rotatory force is spent small, cannot elastic be squeezed out discharge nozzle.
Preferably, first clump weight is arranged in control panel close to feed pipe side, so as to so that the first clump weight
Close to discharge nozzle open at one end, shock wave is made to be easier to overturn control panel.
Preferably, described rotation axis one end is connected with one-way damper, to one-way damper can to avoid flap with into
When expects pipe seals, flap is thrown open by suction function.
Description of the drawings
Fig. 1 is the utility model totality connection diagram；Flap and magnet connection status；
Fig. 2 is enlarged drawing at A in the utility model Fig. 1；
Fig. 3 is the utility model totality connection diagram；Flap and feed pipe connection status；
Fig. 4 is enlarged drawing at B in the utility model Fig. 3；
Fig. 5 is the utility model connecting rod and discharge nozzle connection diagram；
Fig. 6 is the utility model limiting plate schematic diagram；
Fig. 7 is the utility model limiting plate side view；
It is marked in figure：1- shells；2- feed pipes；3- discharge nozzles；4- flaps；5- rotation axis；6- magnet；The gaps 7-；8- connects
Extension bar；9- isolation boards；The second clump weights of 10-；11- elastics；12- through-holes；13- control panels；14- supporting rods；The first counterweights of 15-
Block；16- limiting plates；17- grooves；18- buffer boards；19- springs.
Specific implementation mode
All features disclosed in this specification can be with any other than mutually exclusive feature and/or step
Mode combines.
It elaborates below in conjunction with the accompanying drawings to the utility model.
As shown in Figure 1, Figure 3, a kind of unidirectional flame proof valve not interfering charging, including shell 1,1 both ends of shell are respectively set
There are feed pipe 2 and discharge nozzle 3 and the flap 4 for opening and closing feed pipe 2；4 one end of the flap is provided with rotation axis 5, flap 4
It can be rotated around rotation axis 5 and realize feed pipe 2 and open and close；The flap 4 is metallicl magnetic material, and 1 inner wall of the shell is provided with
The magnet 6 that flap 4 can be adsorbed, magnet 6 are located at same horizontal line with rotation axis 5；It is provided between the magnet 6 and flap 4
Gap；
The shell 1 is internally provided with control device, and control device includes the connecting rod 8 hinged with 1 inner wall of shell, connection
Bar 8 can be that the center of circle is rotated in vertical direction using hinge joint, 8 one end of connecting rod be provided with for separate magnet 6 and flap 4 every
From plate 9, another end is provided with the second clump weight 10, and the isolation board 9 can stretch into gap；
As shown in figure 5,8 one side of the connecting rod is provided with elastic 11,3 side wall of discharge nozzle is provided with and elastic 11
Matched through-hole 12, elastic 11 stretch into through-hole 12 and connect connecting rod 8 and discharge nozzle 3；The elastic 11 protrudes discharge nozzle 3
Inner wall, 11 end of elastic are spherical shape；Elastic 11 can be squeezed out the control panel of inner wall by being hinged on 3 inner wall of the discharge nozzle
13,13 length direction of control panel is vertical with 3 length direction of discharge nozzle, and 3 inner wall of discharge nozzle is located at the setting of 13 left side vertical of control panel
It is useful for the supporting rod 14 of support and control plate 13；
As shown in Figure 6, Figure 7,1 inner wall of the shell is located at the limiting plate that the restricted movement of isolation board 9 is arranged in 6 left side of magnet
16；The limiting plate 16 is located at 6 one side of magnet and is provided with is located at groove 17 with 9 matched groove 17 of isolation board, limiting plate 16
Be internally provided with 17 matched buffer board 18 of groove, spring 19 is provided between buffer board 18 and limiting plate 16.
As shown in Figure 2, Figure 4 shows, the control panel 13 is arranged on the inner wall of 1 lower part of shell, 13 extended discharging of control panel
Pipe 3,13 top of control panel are provided with the first clump weight 15 of extended discharge nozzle 3；The setting of first clump weight 15 is controlling
Plate 13 is close to 2 side of feed pipe；5 one end of the rotation axis is connected with one-way damper.
The operation principle of the utility model is：When normal work, the utility model state as shown in Figure 1, magnet 6 is by flap
4 are fixed on horizontal position, and connecting rod 8 is connect by elastic 11 across through-hole 12 with discharge nozzle 3, and control panel 13 is lived with supporting rod 14
Dynamic connection, and be obtuse angle with the angle of 3 open at one end of discharge nozzle, when charging, dust enters shell 1 from feed pipe 2, and from discharging
It is discharged in pipe 3；
When explosion occurs, shock wave and flame are gone out from discharge nozzle 3, and control panel 13 is washed open, and control panel 13 is discharging
Elastic 11 is squeezed out into discharge nozzle 3 in rotation process in pipe 3, connecting rod 8 is under 10 gravity of the second clump weight by connecting rod 8
It is separated with discharge nozzle 3, and connecting rod 8 is made to be rotated in vertical direction, to drive the isolation board 9 at 8 top of connecting rod to be moved to magnetic
Between iron 6 and flap 4, isolation board 9 is stuck in 4 position of magnet 6 and flap by limiting plate 16；Isolation board 9 magnet 6 and flap 4 it
Between when, magnetic force between flap 4 and magnet 6 reduces, and causes flap 4 to be rotated under the effect of gravity along rotation axis 5, and and feed pipe
2 mechanical seals prevent shock wave and flame from entering in feed pipe 2, form subsequent explosion.
In the following, being described in further details in conjunction with specific embodiments to the utility model.
Specific embodiment
Embodiment 1
A kind of unidirectional flame proof valve not interfering charging, including shell 1,1 both ends of shell are respectively arranged with feed pipe 2 and discharging
Pipe 3 and flap 4 for opening and closing feed pipe 2；It is characterized in that：4 one end of the flap is provided with rotation axis 5, and flap 4 can be around
Rotation axis 5 rotates and realizes feed pipe 2 and open and close；The flap 4 is metallicl magnetic material, and the inner walls are provided with can be by valve
The magnet 6 that valve 4 adsorbs, magnet 6 are located at same horizontal line with rotation axis 5；It is provided with gap between the magnet 6 and flap 4；
The shell 1 is internally provided with control device, and control device includes the connecting rod 8 hinged with 1 inner wall of shell, connection
Bar 8 can be that the center of circle is rotated in vertical direction using hinge joint, 8 one end of connecting rod be provided with for separate magnet 6 and flap 4 every
From plate 9, another end is provided with the second clump weight 10, and the isolation board 9 can stretch into gap；
8 one side of the connecting rod is provided with elastic 11, and 3 side wall of discharge nozzle is provided with and 11 matched through-hole of elastic
12, elastic 11 stretches into through-hole 12 and connects connecting rod 8 and discharge nozzle 3；The elastic 11 protrudes 3 inner wall of discharge nozzle, elasticity
11 end of column is spherical shape；Elastic 11 can be squeezed out the control panel 13 of inner wall, control panel 13 by being hinged on 3 inner wall of the discharge nozzle
Length direction is vertical with 3 length direction of discharge nozzle, and 3 inner wall of discharge nozzle, which is located at 13 left side vertical of control panel and is provided with, is used to support control
The supporting rod 14 of making sheet 13；
1 inner wall of the shell is located at 6 left side of magnet and the limiting plate 16 that restricted isolation board 9 moves is arranged；The limiting plate
16 positioned at 6 one side of magnet be provided with 9 matched groove 17 of isolation board, limiting plate 16 be located at groove 17 be internally provided with it is recessed
17 matched buffer board 18 of slot, is provided with spring 19 between buffer board 18 and limiting plate 16.
Embodiment 2
The present embodiment is advanced optimized based on embodiment 1, and the control panel 13 is arranged on the inner wall of 1 lower part of shell,
13 extended discharge nozzle 3 of control panel, 13 top of control panel are provided with the first clump weight 15 of extended discharge nozzle 3, the first counterweight
Block 15 can drive the acceleration of control panel 13 to move down, and avoid 13 rotatory force of control panel from spending small, cannot squeeze out elastic 11
Discharge nozzle 3.
Embodiment 3
The present embodiment is advanced optimized based on embodiment 2, first clump weight 15 setting control panel 13 close into
2 side of expects pipe, so as to so that the first clump weight 15 makes shock wave be easier control panel 13 close to 3 open at one end of discharge nozzle
Overturning.
Embodiment 4
The present embodiment is advanced optimized based on embodiment 1, and 5 one end of the rotation axis is connected with one-way damper, to
When one-way damper can seal to avoid flap 4 and feed pipe 2, thrown open by suction function.
It is the embodiments of the present invention as described above.The utility model is not limited to the above embodiment, anyone
It should learn the structure change made under the enlightenment of the utility model, it is every that there is same or similar skill with the utility model
Art scheme, each falls within the scope of protection of the utility model.
Claims (4)
1. a kind of unidirectional flame proof valve not interfering charging, including shell (1), shell (1) both ends be respectively arranged with feed pipe (2) and
Discharge nozzle (3) and flap (4) for opening and closing feed pipe (2)；It is characterized in that：Described flap (4) one end is provided with rotation
Axis (5), flap (4) can rotate around rotation axis (5) and realize feed pipe (2) and open and close；The flap (4) is metallicl magnetic material,
Shell (1) inner wall is provided with the magnet (6) that can adsorb flap (4), and magnet (6) is located at same level with rotation axis (5)
Line；It is provided with gap between the magnet (6) and flap (4)；
The shell (1) is internally provided with control device, and control device includes the connecting rod (8) hinged with shell (1) inner wall, even
Extension bar (8) can using hinge joint be the center of circle vertical direction rotate, (8) one end of connecting rod be provided with for separate magnet (6) and
The isolation board (9) of flap (4), another end are provided with the second clump weight (10), and the isolation board (9) can be stretched into gap；
Connecting rod (8) one side is provided with elastic (11), and discharge nozzle (3) side wall is provided with matched with elastic (11)
Through-hole (12), elastic (11) stretch into through-hole (12) and connect connecting rod (8) and discharge nozzle (3)；Elastic (11) protrusion
Discharge nozzle (3) inner wall, elastic (11) end are spherical shape；Elastic (11) can be squeezed by being hinged on discharge nozzle (3) inner wall
Go out the control panel (13) of inner wall, control panel (13) length direction is vertical with discharge nozzle (3) length direction, discharge nozzle (3) inner wall position
The supporting rod (14) for being used to support control panel (13) is provided in control panel (13) left side vertical；
Shell (1) inner wall, which is located on the left of magnet (6), is arranged the mobile limiting plate (16) of restricted isolation board (9)；The limit
Position plate (16) is located at magnet (6) one side and is provided with and isolation board (9) matched groove (17), and limiting plate (16) is located at groove
(17) be internally provided with groove (17) matched buffer board (18), be provided with spring between buffer board (18) and limiting plate (16)
(19)。
2. the unidirectional flame proof valve according to claim 1 for not interfering charging, it is characterised in that：Control panel (13) setting
On the inner wall of shell (1) lower part, control panel (13) extended discharge nozzle (3), be provided at the top of control panel (13) it is extended go out
The first clump weight (15) of expects pipe (3).
3. the unidirectional flame proof valve according to claim 2 for not interfering charging, it is characterised in that：First clump weight (15)
Setting is in control panel (13) close to feed pipe (2) side.
4. the unidirectional flame proof valve according to claim 1 for not interfering charging, it is characterised in that：Described rotation axis (5) one end
It is connected with one-way damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721671637.9U CN207814567U (en) | 2017-12-05 | 2017-12-05 | A kind of unidirectional flame proof valve not interfering charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721671637.9U CN207814567U (en) | 2017-12-05 | 2017-12-05 | A kind of unidirectional flame proof valve not interfering charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814567U true CN207814567U (en) | 2018-09-04 |
Family
ID=63334866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721671637.9U Expired - Fee Related CN207814567U (en) | 2017-12-05 | 2017-12-05 | A kind of unidirectional flame proof valve not interfering charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814567U (en) |
-
2017
- 2017-12-05 CN CN201721671637.9U patent/CN207814567U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20201205 |