CN207536527U - A kind of unidirectional flame proof valve of easy cleaning - Google Patents
A kind of unidirectional flame proof valve of easy cleaning Download PDFInfo
- Publication number
- CN207536527U CN207536527U CN201721671439.2U CN201721671439U CN207536527U CN 207536527 U CN207536527 U CN 207536527U CN 201721671439 U CN201721671439 U CN 201721671439U CN 207536527 U CN207536527 U CN 207536527U
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- Prior art keywords
- flap
- feed pipe
- housing
- discharge nozzle
- control panel
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Abstract
The utility model is related to dust conveying technology fields, and in particular to a kind of unidirectional flame proof valve of easy cleaning, including housing, housing is provided with feed pipe and discharge nozzle and flap；Housing is provided with the magnet that can adsorb flap, enclosure interior is provided with control device, and control device includes connecting rod, and connecting rod is provided with isolation board, connecting rod is connect by elastic with discharge nozzle, and being provided in discharge nozzle can be by the separated control panel of connecting rod and discharge nozzle；The scraper plate for clearing up feed pipe is provided in feed pipe, buffer board is provided in flap, buffer unit is provided in buffer board；The utility model can not only be made sticky powder not interfere with flap and connected with feed pipe with easy cleaning feed pipe, and flap is horizontally set on feed pipe top, and flap does not interfere with powder transport；Buffer unit can carry out multi-buffer to buffer board, and flap is allow to bear higher impact force.
Description
Technical field
The utility model is related to dust conveying technology fields, and in particular to a kind of unidirectional flame proof valve of easy cleaning.
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 exhibition, the dust explosion accident in 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
The generation of fire and explosion accident is prevented, national departments concerned requires these workplaces that should take stringent explosion precaution.Flame proof
Valve is prevented through 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 separates explosion in part, will loss caused by inevitable dust explosion accident
It is preferably minimized.
And existing flame proof valve is when using in adhesive powder, due to sticky powder (such as Icing Sugar, milk powder or chalk
Power powder etc.) easily gathered on flap and feed pipe, influence flap and feed pipe sealing effect, cause flame proof valve cannot play every
Quick-fried effect.
Utility model content
More than technical problem is based on, the utility model provides a kind of unidirectional flame proof valve of easy cleaning, so as to solve
Existing flame proof valve is applied in sticky powder, and sticky powder is easily accumulated on flap and feed pipe, causes flame proof valve that cannot rise
The technical issues of being acted on to flame proof.
The technical solution adopted in the utility model is as follows：
A kind of unidirectional flame proof valve of easy cleaning, including housing, housing both ends be respectively arranged with feed pipe and discharge nozzle with
And the flap for folding feed pipe；Described flap one end is provided with rotation axis, and flap can rotate around rotation axis and realize charging
Pipe folding；The flap is metallicl magnetic material, and the inner walls are provided with the magnet that can adsorb flap, magnet and rotation
Axle position is in same horizontal line；Gap is provided 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 using hinge joint as the center of circle in vertical direction, 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 be stretched 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 feed pipe two side walls are symmetrically arranged with the groove parallel with feed pipe length direction, are arranged outside feed pipe
There is the scraper plate matched with charging end surfaces for clearing up charging tube outer surface, scraper plate bottom is caught in groove and can be slided along groove；Institute
It states housing and is provided with the opening parallel with groove length direction, housing is located at aperture position and is provided with elastic packing cover；It is described to scrape
Plate corresponding opening position is provided with push-pull rod, and push-pull rod passes through elastic packing cover；The housing be located at aperture position be provided with it is close
Capping, sealing cover are flexibly connected with housing；
The flap is located at is provided with buffer board with feed pipe contact position, is provided between buffer board and flap multiple slow
Flushing device；Each buffer unit includes the spring of multiple coaxial arrangements, the not phase of multiple spring heights in same buffer unit
Together.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, buffer board is provided on the utility model flap, when flap is connect with feed pipe, charging tube end can press
So as to stretch into inside flap, flap is connected with feed pipe for contracting buffer board；When cohesive powders body accumulates in flap and feed pipe,
The powder on feed pipe is cleaned out by scraper plate, so as to when flap is connected with feed pipe, avoid in charging pipe outer wall
Powder hinders feed pipe front end to enter flap；And flap is connect with feed pipe in a manner that flap is stretched into feed pipe front end, i.e.,
Make have a small number of powders on flap, feed pipe can also stretch into flap and be connect with flap, so as to play the role of flame proof；
2nd, the elastic packing cover of the utility model setting can seal opening, avoid scraper plate being driven to move by push-pull rod
Dynamic, when clearing up feed pipe, the powder in housing is leaked out from opening；Sealing cover can will be open when not needing to cleaning powder
Sealing is avoided in normal work, and the pressure in housing is excessive, and elastic packing cover is damaged, and the powder in housing leaks out housing
Outside；
3rd, the utility model buffer board is internally provided with buffer unit, flap can be avoided to damage to impact force into row buffering
It is bad, and the spring heights in same buffer unit are different, so as to which when buffer board buffers, buffer unit carries out buffer board multistage
Buffering, allows flap to bear higher impact force；
4th, 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 with flame by pipeline toward upstream, avoids generating subsequent explosion, and flap does not interfere with dust transport；
5th, the utility model elastic end is spherical shape, and spring column protrusion discharging inside pipe wall not only can be by connecting rod with going 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, so as to which isolation board be made to be moved between flap and magnet；
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
The first clump weight of extended discharge nozzle is provided with, the first clump weight can drive control panel acceleration to move down, avoid controlling
Plate rotatory force is spent small, it is impossible to which elastic is squeezed out discharge nozzle.
Preferably, first clump weight is arranged on 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, the inner walls are located at the limiting plate that restricted isolation board movement is set on the left of magnet, and limiting plate can
Isolation board is limited between flap and magnet, isolation board is avoided to lead to valve by the excessive velocities between flap and magnet
The situation that valve cannot be detached with magnet.
Preferably, the feed pipe, which is located at groove and is located at flap one end, is provided with fixture block, and fixture block can be to avoid on scraper plate edge
In groove sliding process, scraper plate slides from groove.
Preferably, there are two the push-pull rod settings, and two sides of scraper plate are symmetricly set on, are moved by push-pull rod
During scraper plate, two push-pull rods can make scraper plate stress balance, so as to be moved easily scraper plate.
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 buffer unit schematic diagram；
Fig. 7 is the utility model scraper plate and feed pipe connection diagram；
Fig. 8 is the utility model housing side view；Sealing cover state is not installed；
Fig. 9 is the utility model housing side view；Sealing cover state is installed；
It is marked in figure：1- housings；2- feed pipes；3- discharge nozzles；4- flaps；5- rotation axis；6- magnet；8- connecting rods；9-
Isolation board；The second clump weights of 10-；11- elastics；12- through-holes；13- control panels；14- supporting rods；15- grooves；16- scraper plates；
17- is open；18- elastic packing covers；19- push-pull rods；20- sealing covers；The first clump weights of 21-；22- limiting plates；23- fixture blocks；24-
Buffer board；25- springs.
Specific embodiment
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, it is clear that described embodiment is the utility model one
Section Example, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer ", "front", "rear" or position relationship are based on orientation shown in the drawings or position
Relationship is put, be for only for ease of description the utility model and simplifies description rather than instruction or implies signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.This
Outside, term " first ", " second ", " third " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
As shown in Figure 1, Figure 3, the unidirectional flame proof valve of a kind of easy cleaning, including housing 1,1 both ends of housing are respectively arranged with
Feed pipe 2 and discharge nozzle 3 and the flap 4 for folding feed pipe 2；Described 4 one end of flap is provided with rotation axis 5, and flap 4 can
It is rotated around rotation axis 5 and realizes 2 folding of feed pipe；The flap 4 is metallicl magnetic material, and 1 inner wall of housing is provided with can
The magnet 6 that flap 4 is adsorbed, magnet 6 are located at same horizontal line with rotation axis 5；Between being provided between the magnet 6 and flap 4
Gap；
The housing 1 is internally provided with control device, and control device includes the connecting rod 8 hinged with 1 inner wall of housing, 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 be stretched into gap；
As shown in Fig. 2, Fig. 4, Fig. 5,8 one side of connecting rod is provided with elastic 11,3 side wall of discharge nozzle be provided with
11 matched through-hole 12 of elastic, elastic 11 stretch into through-hole 12 and connect connecting rod 8 and discharge nozzle 3；The elastic 11 is convex
Go out 3 inner wall of discharge nozzle, 11 end of elastic is spherical shape；Inner wall can be squeezed out by elastic 11 by being hinged on 3 inner wall of discharge nozzle
Control panel 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 left side of control panel 13
It is vertically arranged with the supporting rod 14 for being used to support control panel 13；
As shown in fig. 7,2 two side walls of feed pipe are symmetrically arranged with the groove 15 parallel with 2 length direction of feed pipe,
2 outer cover of feed pipe is equipped with the scraper plate 16 matched with 2 end face of feed pipe for clearing up 2 outer surface of feed pipe, 16 bottom card of scraper plate
Entering groove 15 can slide along groove 15；As shown in figure 8, the housing 1 is provided with the opening 17 parallel with 15 length direction of groove,
Housing 1 is located at 17 positions of opening and is provided with elastic packing cover 18；16 corresponding opening of scraper plate, 17 position is provided with push-pull rod 19,
Push-pull rod 19 passes through elastic packing cover 18；As shown in figure 9, the housing 1, which is located at 17 positions of opening, is provided with sealing cover 20, seal
Lid 20 is flexibly connected with housing 1；
As shown in fig. 6, the flap 4 is located at is provided with buffer board 24, buffer board 24 and flap with 2 contact position of feed pipe
Multiple buffer units are provided between 4；Each buffer unit includes the spring 25 of multiple coaxial arrangements, in same buffer unit
Multiple 25 height of spring differ.
The control panel 13 is arranged on the inner wall of 1 lower part of housing, and 13 extended discharge nozzle 3 of control panel, control panel 13 pushes up
Portion is provided with the first clump weight 21 of extended discharge nozzle 3；First clump weight 21 is arranged on control panel 13 close to feed pipe 2
Side.
1 inner wall of housing is located at the limiting plate 22 that 6 left side of magnet sets restricted isolation board 9 to move；The feed pipe 2
It is located at 4 one end of flap positioned at groove 15 and is provided with fixture block 23；There are two the settings of push-pull rod 19, and is symmetricly set on scraper plate 16
Two sides.
The operation principle of the utility model is：During 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, during charging, dust enters housing 1 from feed pipe 2, and from discharging
It is discharged in pipe 3；Need clear up feed pipe 2 on powder when, sealing cover 20 is removed, by push-pull rod 19 make scraper plate 16 along
Groove 15 moves, and scraper plate 16 cleans out the powder of 2 outer surface of feed pipe in moving process, then by sealing cover 20 with
Housing 1 connects；
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, so as to which the isolation board 9 for driving 8 top of connecting rod is 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 22；Isolation board 9 magnet 6 and flap 4 it
Between when, magnetic force between flap 4 and magnet 6 reduces, and flap 4 is caused 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；
When flap 4 and feed pipe 2 connect, 2 end of feed pipe is acted on buffer board 24, and compressed spring 25 makes buffer board
24 to 4 inner recess of flap, so as to connect flap 4 and feed pipe 2；In connection procedure, spring 25 buffers impact force, avoids
Flap 4 damages, and 25 height of spring in same buffer unit is different, can carry out multi-buffer to buffer board 24, make flap 4 can
To bear higher impact force.
In the following, the utility model is described in further details in conjunction with specific embodiments.
Specific embodiment
Embodiment 1
A kind of unidirectional flame proof valve of easy cleaning, including housing 1,1 both ends of housing are respectively arranged with feed pipe 2 and discharge nozzle
3 and the flap 4 for folding feed pipe 2；Described 4 one end of flap is provided with rotation axis 5, flap 4 can be rotated around rotation axis 5 and
Realize 2 folding of feed pipe；The flap 4 is metallicl magnetic material, and 1 inner wall of housing is provided with the magnetic that can adsorb flap 4
Iron 6, magnet 6 are located at same horizontal line with rotation axis 5；Gap is provided between the magnet 6 and flap 4；
The housing 1 is internally provided with control device, and control device includes the connecting rod 8 hinged with 1 inner wall of housing, 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 be stretched into gap；
8 one side of 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 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；
2 two side walls of feed pipe are symmetrically arranged with the groove 15 parallel with 2 length direction of feed pipe, outside feed pipe 2
Portion is arranged with the scraper plate 16 matched with 2 end face of feed pipe for clearing up 2 outer surface of feed pipe, and 16 bottom of scraper plate is caught in groove 15 can
It is slided along groove 15；The housing 1 is provided with the opening 17 parallel with 15 length direction of groove, and housing 1 is located at 17 positions of opening
It is provided with elastic packing cover 18；16 corresponding opening of scraper plate, 17 position is provided with push-pull rod 19, and push-pull rod 19 passes through elasticity close
Sealing cover 18；The housing 1 is located at 17 positions of opening and is provided with sealing cover 20, and sealing cover 20 is flexibly connected with housing 1；
The flap 4 is located at is provided with buffer board 24 with 2 contact position of feed pipe, is set between buffer board 24 and flap 4
There are multiple buffer units；Each buffer unit includes the spring 25 of multiple coaxial arrangements, multiple springs in same buffer unit
25 height differ.
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 housing,
13 extended discharge nozzle 3 of control panel, 13 top of control panel are provided with the first clump weight 21 of extended discharge nozzle 3, the first counterweight
Block 21 can drive the acceleration of control panel 13 to move down, and 13 rotatory force of control panel be avoided to spend small, it is impossible to squeeze out elastic 11
Discharge nozzle 3.
Embodiment 3
The present embodiment is advanced optimized based on embodiment 2, first clump weight 21 be arranged on control panel 13 close into
2 side of expects pipe, so as to so that the first clump weight 21 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 it is restricted that 1 inner wall of housing is located at 6 left side setting of magnet
Isolation board 9 can be limited between flap 4 and magnet 6 by the limiting plate 22 that isolation board 9 moves, limiting plate 22, avoid isolation board 9
By the excessive velocities between flap 4 and magnet 6, the situation for causing flap 4 that cannot be detached with magnet 6.
Embodiment 5
The present embodiment is advanced optimized based on embodiment 1, and the feed pipe 2, which is located at groove 15 and is located at 4 one end of flap, to be set
Fixture block 23 is equipped with, fixture block 23 can be to avoid along 15 sliding process of groove, scraper plate 16 slides from groove 15 in scraper plate 16.
Embodiment 6
The present embodiment is advanced optimized based on embodiment 1, and there are two the settings of push-pull rod 19, and is symmetricly set on and scrapes
16 two sides of plate, when by 19 mobile scraper 16 of push-pull rod, two push-pull rods 19 can make 16 stress balance of scraper plate, so as to
It is moved easily scraper plate 16.
It is the embodiment of the utility model 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 (6)
1. a kind of unidirectional flame proof valve of easy cleaning, including housing (1), housing (1) both ends are respectively arranged with feed pipe (2) and go out
Expects pipe (3) and the flap (4) for folding 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) folding；The flap (4) be metallicl magnetic material, institute
It states housing (1) inner wall and is provided with the magnet (6) that flap (4) can be adsorbed, magnet (6) is with rotation axis (5) positioned at same horizontal line；
Gap is provided between the magnet (6) and flap (4)；
The housing (1) is internally provided with control device, and control device includes the connecting rod (8) hinged with housing (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；
Feed pipe (2) two side walls are symmetrically arranged with the groove (15) parallel with feed pipe (2) length direction, feed pipe
(2) outer cover is equipped with the scraper plate (16) matched with feed pipe (2) end face for clearing up feed pipe (2) outer surface, scraper plate (16) bottom
Portion is caught in groove (15) and can be slided along groove (15)；The housing (1) is provided with the opening parallel with groove (15) length direction
(17), housing (1) is provided with elastic packing cover (18) positioned at opening (17) position；Scraper plate (16) corresponding opening (17) position
It is provided with push-pull rod (19), push-pull rod (19) is across elastic packing cover (18)；The housing (1) is positioned at the setting of opening (17) position
There is sealing cover (20), sealing cover (20) is flexibly connected with housing (1)；
The flap (4) is provided with buffer board (24) positioned at feed pipe (2) contact position, buffer board (24) and flap (4) it
Between be provided with multiple buffer units；Each buffer unit includes the spring (25) of multiple coaxial arrangements, in same buffer unit
Multiple spring (25) height differ.
2. the unidirectional flame proof valve of easy cleaning according to claim 1, it is characterised in that：The control panel (13) is arranged on
On the inner wall of housing (1) lower part, control panel (13) extended discharge nozzle (3), control panel (13) top is provided with extended discharging
Manage first clump weight (21) of (3).
3. the unidirectional flame proof valve of easy cleaning according to claim 2, it is characterised in that：First clump weight (21) sets
It puts in control panel (13) close to feed pipe (2) side.
4. the unidirectional flame proof valve of easy cleaning according to claim 1, it is characterised in that：Housing (1) inner wall is located at
The limiting plate (22) for setting restricted isolation board (9) mobile on the left of magnet (6).
5. the unidirectional flame proof valve of easy cleaning according to claim 1, it is characterised in that：The feed pipe (2) is positioned at recessed
Slot (15) is provided with fixture block (23) positioned at flap (4) one end.
6. the unidirectional flame proof valve of easy cleaning according to claim 1, it is characterised in that：The push-pull rod (19) is provided with
Two, and it is symmetricly set on (16) two sides of scraper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721671439.2U CN207536527U (en) | 2017-12-05 | 2017-12-05 | A kind of unidirectional flame proof valve of easy cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721671439.2U CN207536527U (en) | 2017-12-05 | 2017-12-05 | A kind of unidirectional flame proof valve of easy cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207536527U true CN207536527U (en) | 2018-06-26 |
Family
ID=62617134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721671439.2U Expired - Fee Related CN207536527U (en) | 2017-12-05 | 2017-12-05 | A kind of unidirectional flame proof valve of easy cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207536527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842571A (en) * | 2018-07-06 | 2018-11-20 | 陈发军 | A kind of bituminous concrete agitating device |
-
2017
- 2017-12-05 CN CN201721671439.2U patent/CN207536527U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842571A (en) * | 2018-07-06 | 2018-11-20 | 陈发军 | A kind of bituminous concrete agitating device |
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|---|---|---|---|
| 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: 20180626 Termination date: 20201205 |