CN201236788Y - Energy-saving free side-turning type flap valve buffering mechanism - Google Patents
Energy-saving free side-turning type flap valve buffering mechanism Download PDFInfo
- Publication number
- CN201236788Y CN201236788Y CNU2008200540298U CN200820054029U CN201236788Y CN 201236788 Y CN201236788 Y CN 201236788Y CN U2008200540298 U CNU2008200540298 U CN U2008200540298U CN 200820054029 U CN200820054029 U CN 200820054029U CN 201236788 Y CN201236788 Y CN 201236788Y
- Authority
- CN
- China
- Prior art keywords
- piston
- energy
- bolt
- flap valve
- free side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model relates to a cushioning device of an energy-saving type laissez-aller side-turn-over flap gate. The cushioning device mainly solves the technical problems in the prior art that greater impact force is generated when the flap gate is closed, so as to cause vibration and noise, and bring undesirable impact on the foundation of the flap gate and buildings. The main points of the technical proposal adopted are that: a piston is arranged on a piston rod, a copper sleeve is sleeved on the piston, a retaining ring and a bolt are used to axially position the piston and the copper sleeve, a cylinder cap is mounted at the left end of a cylinder tube, the copper sleeve is mounted between the cylinder cap and the piston rod, and the retaining ring and the bolt are used for axially positioning; a check valve is mounted at the right end of the cylinder tube, and connected with the cylinder tube through a bolt; the valve clacks of the check valve are connected through a hinge; a discharge orifice, an adjusting screw and a lock nut are arranged on each valve clack, the check valve is provided with a water inlet and outlet opening, and a seal ring is addationally mounted on the check valve; a filter screen is mounted at the right end, and fixed through the retaining ring and the bolt; and another water inlet and outlet opening, a pipe cap and a filter screen are arranged at the left lower end of the cylinder tube. The utiltiy model has the advantages of simple structure, reliable working and convenient maintenance, and can be widely applied to popularization and application in the transformation of the flap valve of large and middle scale pumping plants.
Description
Technical field
The utility model relates to a kind of damping device that is used on the free floated flap valve.
Background technique
At present, the pumping plant water outlet that draws water of China generally adopts the flap valve cutout at present, the flap valve that adopts in big-and-middle-sized pumping plant often relative aperture is bigger, the general 1600mm that surpasses, owing to work under water for a long time, when unit termination of pumping flap valve is closed, can produce bigger impact force, thereby cause vibration and noise, this brings harmful effect to flap valve basis and building, and therefore being necessary to reduce impact force guarantees pumping plant safety.At present, the method that reduces the flap valve impact force in big-and-middle-sized pumping plant mainly contains: (one) makes the floating box type structure with the flap valve gate flap; (2) adopt oil pressure control flap valve; (3) add counterweight.But these method manufacture costs are higher, difficult in maintenance, cost an arm and a leg, and should not promote, and need to adopt better solution reduce impact force, therefore are necessary to be provided with damping device and reduce impact force and guarantee pumping plant safety.
Summary of the invention
The purpose of this utility model provides a kind of energy-saving free side turn over flap valve damping device pumping plant water outlet flap valve, that can reduce impact force that is used to draw water.
The technological scheme that its technical problem that solves the utility model adopts is: piston 13 engage sleeves that are installed on the piston rod 3 are contained in the cylinder barrel 11, the cooperation of cylinder barrel 11 left ends is equipped with cylinder head 8, cylinder barrel 11 right-hand member engage sleeves are equipped with check valve 17, the hinge 18 that is provided with on flap 27 and the check valve 17 is hinged, flap 27 is provided with discharge orifice 25, discharge orifice 25 is provided with adjusting screw 22 and locking nut 23, be provided with right intake-outlet 24 in the check valve 17, discharge orifice 25 communicates with right intake-outlet 24, is provided with left water outlet 28 at cylinder barrel 11 lower-left ends.
The utility model also can be on piston 13 piston set copper sheathing 12, piston copper sheathing 12 matches with cylinder barrel 11 inner chambers.The right-hand member of piston 13 is provided with back-up ring 14 and bolt 15, and 15 pairs of pistons 13 of back-up ring 14 and bolt and piston copper sheathing 12 are done axially locating.
The utility model also can engage sleeves be equipped with piston rod copper sheathing 4 between cylinder head 8 and piston rod 3.The outer end of cylinder head 8 is provided with back-up ring 6 and bolt 5, and the piston rod copper sheathing 4 between cylinder head 8 and the piston rod 3 is done axially locating by back-up ring 6 and bolt 5.
The utility model also can link with bolt 16 between the check valve 17 of cylinder barrel 11 right-hand member suits and cylinder barrel 11.
The utility model also can be provided with seal ring 26 between check valve 17 and flap 27.
The utility model also can be equipped with right filter screen 21 in the cooperation of the outer end of right intake-outlet 24.
The utility model also can be equipped with left filter screen 30 in the cooperation of the outer end of left intake-outlet 28.
The utility model also can cylinder barrel 11 outer wall be provided with fitting seat 9.
The beneficial effects of the utility model are: in order to reduce the flap valve impact force, and damping device is set on flap valve.This damping device is simple in structure, reliable operation, easy to maintenance, need not electricity, liquid, manual control, and it can be widely used in being applicable in the transformation of big-and-middle-sized pumping plant flap valve.
Description of drawings
Fig. 1 is a mounting point of the present utility model schematic representation.
Fig. 2 is that the A-A of Fig. 1 is to broken section structure enlarged diagram.
Among the figure: 1-flap valve, 2-column, 3-piston rod, 4-piston rod copper sheathing, 5-bolt, the 6-back-up ring, 7-bolt, 8-cylinder head, 9-fitting seat, 10-bolt, the 11-cylinder barrel, 12-piston copper sheathing, 13-piston, 14-back-up ring, 15-bolt, the 16-bolt, 17-check valve, 18-hinge, 19-bolt, 20-back-up ring, the right filter screen of 21-, 22-adjusting screw, 23-locking nut, the right intake-outlet of 24-, 25-discharge orifice, the 26-seal ring, 27-flap, 28-left side intake-outlet, 29-pipe cap, 30-left side filter screen.
Embodiment
That the utility model is described in further detail is as follows below in conjunction with embodiment:
This damping device is to utilize water pump to draw up the flap 27 of opening check valve 17 after next water purifies through filter screen, promote piston 13 and piston rod 3 to left movement, when the flap valve gate flap is closed with promote piston rod 3 again after piston rod 3 left ends contact and piston 13 moves right, simultaneously, the flap 27 of check valve 17 is closed under the effect of water and its deadweight, in order to make gate flap can prolong the shut-in time and to reduce closing velocity, to reach the purpose that reduces impact force, on flap 27, have discharge orifice 25, water leaked from discharge orifice 25 when flap 27 was closed, subdue energy, reached the purpose of buffering, the impact force that produces when also just reducing flap valve and closing.The size of water vent flow can be regulated by adjusting screw 22, tightens locking nut 23 again, can also regulate the shut-in time and the closing velocity of flap valve like this, and the impact force that produces when flap valve is closed reaches reasonable range.The damping device of this structure need not electricity, liquid, manual control.Consult Fig. 1 and Fig. 2.
Claims (10)
1, a kind of energy-saving free side turn over flap valve damping device, it is characterized in that: piston (13) engage sleeves that is installed on the piston rod (3) is contained in the cylinder barrel (11), the cooperation of cylinder barrel (11) left end is equipped with cylinder head (8), cylinder barrel (11) right-hand member engage sleeves is equipped with check valve (17), flap (27) is hinged with the hinge (18) that check valve (17) is gone up setting, flap (27) is provided with discharge orifice (25), discharge orifice (25) is provided with adjusting screw (22) and locking nut (23), be provided with right intake-outlet (24) in the check valve (17), discharge orifice (25) communicates with right intake-outlet (24), and end is provided with left water outlet (28) in cylinder barrel (11) lower-left.
2, energy-saving free side turn over flap valve damping device according to claim 1 is characterized in that: go up piston set copper sheathing (12) at piston (13), piston copper sheathing (12) matches with cylinder barrel (11) inner chamber.
3, energy-saving free side turn over flap valve damping device according to claim 2, it is characterized in that: the right-hand member of piston (13) is provided with back-up ring (14) and bolt (15), and back-up ring (14) and bolt (15) are done axially locating to piston (13) and piston copper sheathing (12).
4, energy-saving free side turn over flap valve damping device according to claim 1, it is characterized in that: engage sleeves is equipped with piston rod copper sheathing (4) between cylinder head (8) and the piston rod (3).
5, energy-saving free side turn over flap valve damping device according to claim 4, it is characterized in that: the outer end of cylinder head (8) is provided with back-up ring (6) and bolt (5), and the piston rod copper sheathing (4) between cylinder head (8) and the piston rod (3) is done axially locating by back-up ring (6) and bolt (5).
6, energy-saving free side turn over flap valve damping device according to claim 1 is characterized in that: link with bolt (16) between the check valve (17) of cylinder barrel (11) right-hand member suit and the cylinder barrel (11).
7, energy-saving free side turn over flap valve damping device according to claim 1 is characterized in that: be provided with seal ring (26) between check valve (17) and the flap (27).
8, energy-saving free side turn over flap valve damping device according to claim 1 is characterized in that: the outer end cooperation of right intake-outlet (24) is equipped with right filter screen (21).
9, energy-saving free side turn over flap valve damping device according to claim 1 is characterized in that: the outer end cooperation of left intake-outlet (28) is equipped with left filter screen (30).
10, energy-saving free side turn over flap valve damping device according to claim 1, it is characterized in that: the outer wall of cylinder barrel (11) is provided with fitting seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200540298U CN201236788Y (en) | 2008-08-08 | 2008-08-08 | Energy-saving free side-turning type flap valve buffering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200540298U CN201236788Y (en) | 2008-08-08 | 2008-08-08 | Energy-saving free side-turning type flap valve buffering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236788Y true CN201236788Y (en) | 2009-05-13 |
Family
ID=40649528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200540298U Expired - Fee Related CN201236788Y (en) | 2008-08-08 | 2008-08-08 | Energy-saving free side-turning type flap valve buffering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201236788Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676776A (en) * | 2012-05-31 | 2012-09-19 | 无锡宇吉科技有限公司 | Furnace door adjusting mechanism of car-type heat treating furnace |
| CN103291604A (en) * | 2013-06-27 | 2013-09-11 | 长沙山水节能研究院有限公司 | Water pump adjustable inner circulation flushing system |
| CN107130564A (en) * | 2017-06-27 | 2017-09-05 | 严登丰 | Hydraulic-operated Automatic Gate water pressure buffer |
| CN108679281A (en) * | 2018-08-15 | 2018-10-19 | 永阀门集团有限公司 | Pulse type safety valve |
| CN111750121A (en) * | 2020-06-16 | 2020-10-09 | 江苏航天水力设备有限公司 | Self-closing stop valve |
-
2008
- 2008-08-08 CN CNU2008200540298U patent/CN201236788Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676776A (en) * | 2012-05-31 | 2012-09-19 | 无锡宇吉科技有限公司 | Furnace door adjusting mechanism of car-type heat treating furnace |
| CN103291604A (en) * | 2013-06-27 | 2013-09-11 | 长沙山水节能研究院有限公司 | Water pump adjustable inner circulation flushing system |
| CN107130564A (en) * | 2017-06-27 | 2017-09-05 | 严登丰 | Hydraulic-operated Automatic Gate water pressure buffer |
| CN107130564B (en) * | 2017-06-27 | 2022-08-23 | 严登丰 | Hydraulic buffer for hydraulic automatic door |
| CN108679281A (en) * | 2018-08-15 | 2018-10-19 | 永阀门集团有限公司 | Pulse type safety valve |
| CN111750121A (en) * | 2020-06-16 | 2020-10-09 | 江苏航天水力设备有限公司 | Self-closing stop valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201236788Y (en) | Energy-saving free side-turning type flap valve buffering mechanism | |
| CN100557232C (en) | The water turbine that has cylinder type valve servo | |
| CN111425483B (en) | Oil cylinder tail end buffering device | |
| CN201650709U (en) | Hydraulic control valve | |
| CN205715983U (en) | Double axis of guide flow type regulating valves | |
| CN100356081C (en) | Hydraulic damper valve based on flow regulation | |
| CN102644631B (en) | High-pressure and high-flow alternating-current servo direct-driven eccentric shaft type flow valve | |
| CN208442345U (en) | A kind of good oil return valve of closure | |
| CN102235344B (en) | Air cylinder of piston type compressor | |
| CN202990856U (en) | Bottom ultrahigh-pressure pulse jet assisted rock-breaking speed-increasing system | |
| CN201517615U (en) | Buffering type hydraulic mud valve | |
| CN202165656U (en) | Butterfly slow-shut type check valve | |
| CN102853120A (en) | Butterfly slowly-closing type check valve | |
| CN210600655U (en) | Metering pump with buffering and current stabilizing functions | |
| CN108149646B (en) | Door machine integrated dam | |
| CN201190627Y (en) | Water turbine with valve servo | |
| CN201416672Y (en) | Air tiny drag slow shut check valve | |
| CN201554635U (en) | Multifunctional self-operated sleeve-type energy dissipating valve | |
| CN210975754U (en) | Multi-door structure side-turning type flap valve with hydraulic buffer device | |
| CN220600130U (en) | Hydraulic cylinder with buffering function | |
| CN204592438U (en) | The built-in hydraulic shock absorber of a kind of buffer valve | |
| CN2864087Y (en) | Underwell anti-injection oil discharger | |
| CN102410203B (en) | Hydraulic slow-resistance water pump valve for drainage system under coal mine | |
| CN220551508U (en) | Pressure-reducing type electric blow-down valve | |
| CN218152617U (en) | Pneumatic cut-off valve with adjustable closing travel time |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20160808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |