CN209012489U - Door is started shooting in a kind of micro-resistance slowly-closed side - Google Patents
Door is started shooting in a kind of micro-resistance slowly-closed side Download PDFInfo
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- CN209012489U CN209012489U CN201821725960.4U CN201821725960U CN209012489U CN 209012489 U CN209012489 U CN 209012489U CN 201821725960 U CN201821725960 U CN 201821725960U CN 209012489 U CN209012489 U CN 209012489U
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- door
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- flap valve
- micro
- hinge axis
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Abstract
The utility model discloses a kind of micro-resistance slowly-closed side and starts shooting door, it includes flap valve seat, door-plate and door hinge axis and buffer gear, nitrile rubber sealing ring is provided between on the inside of the flange and door-plate of flap valve seat upper end, steel loop is equipped with inside nitrile rubber sealing ring to be reversely fixed on the flange on the upside of gate seat by bolt, door hinge axis is mounted on the side of flap valve seat, and angle formed by the center line of door hinge axis and the center line of flap valve seat is a.The flap valve can greatly improve equipment reliability of operation and safety, it is ensured that equipment is run steadily in the long term.
Description
Technical field
The utility model relates to a kind of micro-resistance slowly-closed sides to start shooting door, and the city for being applicable to water conservancy and municipal works field is anti-
The water pump water outlet pipeline end at flood and irrigation pump station, the end of all types of rain sewage drainage pipes, all types of needs insides water level
The place that high Auto-drainage and outside water level height are automatically closed.
Background technique
Flap valve is as a kind of simple and quick cut-off device using very wide in all types of hydraulic engineerings and municipal works
It is general.The most of flap valve structure used now is relatively simple, is sealed using conventional " O " type sealing ring, sealing performance ratio
It is poor, the phenomenon that being often not closed completely, leak or water pump is caused to vacuumize difficulty etc..The door hinge axis of conventional flap valve is in gate seat
Upside, door-plate are mostly upper and lower unfolding mode, and flap valve unlatching resistance is big, and head loss is big, causes the efficiency of system relatively low, Er Qiemen
Axis does not have lubricating system yet blow-by, and often corrosion causes stuck, causes not opening or fit badly.Door-plate is straight when flap valve is closed
Shock gate seat is connect, the vibration and noise of generation is very big, and flap valve stripping occurs in when serious unlatching, and door-plate hits cracking etc. when closing
Deng.
Utility model content
In order to solve the above technical problems, the utility model, which provides a kind of micro-resistance slowly-closed side, starts shooting door, equipment fortune is greatly improved
Capable reliability and safety, it is ensured that equipment is run steadily in the long term.
To achieve the above object, the utility model adopts the following technical solutions:
Door is started shooting in a kind of micro-resistance slowly-closed side, which includes flap valve seat, door-plate and door hinge axis, the flange of flap valve seat upper end with
It is provided with nitrile rubber sealing ring between the inside of door-plate, is equipped with steel loop inside nitrile rubber sealing ring and is reversely fixed by bolt
On the flange of flap valve seat upper end, door hinge axis is mounted on the side of flap valve seat, the center line of door hinge axis and the center line of flap valve seat
Formed angle is a.
Further, the outer sheath of door hinge axis is equipped with gate seat hinge sleeve and door-plate hinge sleeve, and gate seat hinge sleeve uses flat key and door hinge
Axis connection, door-plate hinge sleeve are built-in with copper sheathing, and copper sheathing is built-in with graphite annulus, realize self-lubricating function by graphite, door-plate hinge sleeve
Both ends are respectively end face seal and sealing ring.
Further, nitrile rubber sealing ring is built-in with cricoid fixed ring, and fixed ring is fixed on method by fastening bolt
Lan Shang offers slotted eye on nitrile rubber sealing ring.
Further, the rectangular opening passed through for fixed ring is offered on nitrile rubber sealing ring, offers confession in fixed ring
The bolt hole that fastening bolt passes through.
Further, the inside of door-plate is arc.
Further, flap valve further includes buffer gear, hinged-support and universal hinged shaft, and buffer gear is located at hinged-support and universal
Between hinged shaft, the centerline parallel of hinged-support and door hinge axis.
Further, buffer gear includes piston cylinder, piston rod, valve plate and piston plate, and hydraulic oil is full of in piston cylinder, living
Plug cylinder and piston rod and piston plate cooperate, and offer the through-hole to match with the head of valve plate on piston plate.
Further, sealing ring is provided between the inner wall and piston plate of piston cylinder.
Further, door hinge axis uses stainless steel material.
The utility model has the advantages that
1. the door hinge axis of flap valve is mounted on side, the center line of door hinge axis and the center line of flap valve seat form an angle a,
It can guarantee that door-plate is closed naturally under lesser self weight.
2. the door hinge axis of flap valve uses stainless steel material, gate seat hinge sleeve uses flat key and door hinge axis connection, door-plate hinge sleeve
Graphite annulus is arranged in built-in copper sheathing, copper sheathing inside, and both ends are end face seal and sealing ring, it is ensured that internal self-lubricating, external dust is not
Into between axis and axle sleeve.
3. the sealing of flap valve uses special nitrile rubber sealing ring, built-in cricoid fixed ring, fixed ring passes through sealing
The rectangular opening of circle pierces into sealing ring, is drilled with bolt hole in fixed ring, is fixed on the flange of flap valve seat by fastening bolt, sealing
Slotted eye on circle is horizontal direction in normal condition, when door-plate is closed due to the effect of compression become with normal condition at
The slotted eye in 90 degree of directions, to realize the thorough sealing function of flange of door-plate Yu flap valve seat, this sealing can reduce door-plate
The noise generated is hit when closing, while can effectively buffer the impact force of door-plate seat on the door.
3. being arc on the inside of the door-plate of flap valve, head loss when flap valve is opened can be effectively reduced.
4. a flap valve increases buffer gear, hinged-support and universal hinged shaft, the center line level of hinged-support and door hinge axis has
Effect solves the problems, such as laterally offset caused by door-plate longtime running.
5. being full of hydraulic oil in the piston cylinder of the buffer gear of flap valve, valve plate is closed when piston rod stretches out, and piston plate is slow
Slow operation, valve plate is opened when piston rod is retracted, and piston rod can be retracted quickly；This mechanism can close the quick closedown of initial stage elder generation in flap valve
2/3 or more, decline slowly closing, door-plate impact force is big when effectively solving because of quick closedown bring problem of water hammer and closing
The problem of, while solving the problems, such as when unlatching that door-plate is back-lash and opening angle.
Detailed description of the invention
Fig. 1 is that the micro-resistance slowly-closed of the utility model starts shooting the cross-sectional view of door；
Fig. 2 is that the micro-resistance slowly-closed of the utility model starts shooting the front view of door；
Fig. 3 is that the micro-resistance slowly-closed of the utility model starts shooting the sealing schematic diagram of door；
Fig. 4 is that the micro-resistance slowly-closed of the utility model starts shooting the buffer gear schematic diagram of door；
Fig. 5 is that the micro-resistance slowly-closed of the utility model starts shooting the door hinge axis schematic diagram of door；
In figure: 1- flap valve seat, 2- door-plate, 3- nitrile rubber sealing ring, 301- slotted eye, 4- fixed ring, 5- fasten spiral shell
Bolt, 6- door hinge axis, 7- buffer gear, 8- hinged-support, 9- is universal hinged, 10- flange, 11- piston/cylinder, 12- piston rod, 13-
Valve plate, 14- piston plate, 15- sealing ring, 16- end face seal, 17- door-plate hinge sleeve, 18- copper sheathing, 19- sealing ring, 20- gate seat hinge
Set, 21- flat key.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Door is started shooting in a kind of micro-resistance slowly-closed side of the utility model, and as shown in Figs. 1-2, which includes flap valve seat 1,2 and of door-plate
Door hinge axis 6 is provided with nitrile rubber sealing ring 3, nitrile rubber sealing between the flange 10 of 1 upper end of flap valve seat and the interior of door-plate 2
3 inside of circle is equipped with steel loop and is reversely fixed on the flange 10 of 1 upper end of flap valve seat by bolt；Door hinge axis 6 is mounted on flap valve seat 1
Angle formed by side, the center line of door hinge axis 6 and the center line of flap valve seat 1 is a, it is ensured that door-plate 2 is in lesser self weight
It is lower to close naturally.
As shown in figure 5, door hinge axis 6 uses stainless steel material, the outer sheath of door hinge axis 6 is equipped with gate seat hinge sleeve 20 and door-plate is cut with scissors
Set 17, gate seat hinge sleeve 20 are connect using flat key 21 with door hinge axis 6, and door-plate hinge sleeve 17 is built-in with copper sheathing 18, and copper sheathing 18 is built-in with stone
Mo Huan, the both ends of door-plate hinge sleeve 17 are respectively end face seal 16 and sealing ring 19, it is ensured that internal self-lubricating, external dust do not enter
Between axis and axle sleeve.
As shown in figure 3, offering the rectangular opening passed through for fixed ring 4 on nitrile rubber sealing ring 3, opened up in fixed ring 4
There is the bolt hole passed through for fastening bolt 5, nitrile rubber sealing ring 3 is built-in with cricoid fixed ring 4, and fixed ring 4 passes through fastening
Bolt 5 is fixed on flange 10, and slotted eye 301 is offered on nitrile rubber sealing ring 3.The sealing of this flap valve uses special fourth
Fine rubber seal 3, built-in cricoid fixed ring 4, fixed ring 4 pierce into the fine rubber of fourth by the rectangular opening of nitrile rubber sealing ring 3
Glue sealing ring 3 is drilled with bolt hole in fixed ring 4, is fixed on the flange 10 of flap valve seat 1 by fastening bolt 5, nitrile rubber is close
Slotted eye 301 in seal 3 is Fig. 3 state in normal condition, when door-plate 2 is closed since the effect of compression becomes and Fig. 3
For state at the slotted eye in 90 degree of directions, this sealing, which can reduce when door-plate 2 is closed, hits the noise generated, while can effectively delay
Impact force of the chongmen plate 2 to flap valve seat 1.
As shown in Figure 1, the inside of door-plate 2 is arc, head loss when flap valve is opened can be effectively reduced.
As shown in Fig. 2, flap valve further includes buffer gear 7, hinged-support 8 and universal hinged shaft 9, buffer gear 7 is located at hinged-support 8
Between universal hinged shaft 9, the centerline parallel of hinged-support 8 and door hinge axis 6.This flap valve increases buffer gear 7,8 and of hinged-support
Universal hinged shaft 9, the centerline parallel of hinged-support 8 and door hinge axis 6 effectively solve laterally offset caused by 2 longtime running of door-plate and ask
Topic.
As shown in figure 4, buffer gear 7 includes piston cylinder 11, piston rod 12, valve plate 13, piston plate 14 and sealing ring 15, live
It is full of hydraulic oil, piston cylinder 11 and piston rod 12 in plug cylinder 11 and piston plate 14 cooperates, the inner wall of piston cylinder 11 and work
It is provided with sealing ring 15 between seben 14, the through-hole to match with the head of valve plate 13 is offered on piston plate 14.Piston cylinder 11
Interior to be full of hydraulic oil, valve plate 13 is closed when piston rod 12 stretches out, and piston plate 14 is slowly run, and valve plate 13 is beaten when piston rod 12 is retracted
It opens, piston rod 12 can be retracted quickly；This buffer gear 7 can close 2/3 or more initial stage elder generation quick closedown in flap valve, and decline is slow
Slow to close, 2 impact force of door-plate is big when effectively solving the problems, such as because of quick closedown bring problem of water hammer and closing, and solves simultaneously
The problem of door-plate 2 is back-lash when unlatching and opening angle.
Limitation to scope of protection of the utility model, those skilled in the art should understand that, in the skill of the utility model
On the basis of art scheme, the various modifications or variations that can be made by those skilled in the art with little creative work still exists
Within the protection scope of the utility model.
Claims (9)
1. door is started shooting in a kind of micro-resistance slowly-closed side, the flap valve includes flap valve seat (1), door-plate (2) and door hinge axis (6), and feature exists
In: nitrile rubber sealing ring (3) are provided between the flange (10) of flap valve seat (1) upper end and the inside of the door-plate (2),
The flange that steel loop is reversely fixed on flap valve seat (1) upper end by bolt is equipped with inside the nitrile rubber sealing ring (3)
(10) on, the door hinge axis (6) is mounted on the side of the flap valve seat (1), the center line and the flap valve of the door hinge axis (6)
Angle formed by the center line of seat (1) is a.
2. door is started shooting in micro-resistance slowly-closed side according to claim 1, it is characterised in that: be arranged on the outside of the door hinge axis (6)
There are gate seat hinge sleeve (20) and door-plate hinge sleeve (17), the gate seat hinge sleeve (20) is connect using flat key (21) with the door hinge axis (6),
The door-plate hinge sleeve (17) is built-in with copper sheathing (18), and the copper sheathing (18) is built-in with graphite annulus, and the two of the door-plate hinge sleeve (17)
End is respectively end face seal (16) and sealing ring (19).
3. door is started shooting in micro-resistance slowly-closed side according to claim 1, it is characterised in that: in the nitrile rubber sealing ring (3)
It is equipped with cricoid fixed ring (4), the fixed ring (4) is fixed on the flange (10) by fastening bolt (5), and the fourth is fine
Slotted eye (301) are offered in rubber seal (3).
4. door is started shooting in micro-resistance slowly-closed side according to claim 3, it is characterised in that: on the nitrile rubber sealing ring (3)
The rectangular opening passed through for the fixed ring (4) is offered, offers on the fixed ring (4) and is passed through for the fastening bolt (5)
Bolt hole.
5. door is started shooting in micro-resistance slowly-closed side according to claim 1, it is characterised in that: the inside of the door-plate (2) is arc.
6. door is started shooting in micro-resistance slowly-closed side according to claim 1, it is characterised in that: the flap valve further includes buffer gear
(7), hinged-support (8) and universal hinged shaft (9), the buffer gear (7) are located at the hinged-support (8) and the universal hinged shaft (9)
Between, the centerline parallel of the hinged-support (8) and the door hinge axis (6).
7. door is started shooting in micro-resistance slowly-closed side according to claim 6, it is characterised in that: the buffer gear (7) includes piston
Cylinder (11), piston rod (12), valve plate (13) and piston plate (14), the piston cylinder (11) is interior to be full of hydraulic oil, the piston cylinder
(11) it cooperates with the piston rod (12) and the piston plate (14), is offered and the valve on the piston plate (14)
The through-hole that the head of plate (13) matches.
8. door is started shooting in micro-resistance slowly-closed side according to claim 7, it is characterised in that: the inner wall of the piston cylinder (11) and institute
It states and is provided with sealing ring (15) between piston plate (14).
9. door is started shooting in micro-resistance slowly-closed side according to claim 1, it is characterised in that: the door hinge axis (6) uses stainless steel
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821725960.4U CN209012489U (en) | 2018-10-24 | 2018-10-24 | Door is started shooting in a kind of micro-resistance slowly-closed side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821725960.4U CN209012489U (en) | 2018-10-24 | 2018-10-24 | Door is started shooting in a kind of micro-resistance slowly-closed side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209012489U true CN209012489U (en) | 2019-06-21 |
Family
ID=66839720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821725960.4U Active CN209012489U (en) | 2018-10-24 | 2018-10-24 | Door is started shooting in a kind of micro-resistance slowly-closed side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209012489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709847A (en) * | 2020-12-29 | 2021-04-27 | 合肥恒大江海泵业股份有限公司 | Submerged gate pump with built-in impeller |
| CN114294450A (en) * | 2022-01-15 | 2022-04-08 | 山东鲁源泵业有限公司 | Door-slapping device |
-
2018
- 2018-10-24 CN CN201821725960.4U patent/CN209012489U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709847A (en) * | 2020-12-29 | 2021-04-27 | 合肥恒大江海泵业股份有限公司 | Submerged gate pump with built-in impeller |
| CN114294450A (en) * | 2022-01-15 | 2022-04-08 | 山东鲁源泵业有限公司 | Door-slapping device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |