CN201475448U - Section bradyseism type swash plate check valve - Google Patents
Section bradyseism type swash plate check valve Download PDFInfo
- Publication number
- CN201475448U CN201475448U CN2009201906747U CN200920190674U CN201475448U CN 201475448 U CN201475448 U CN 201475448U CN 2009201906747 U CN2009201906747 U CN 2009201906747U CN 200920190674 U CN200920190674 U CN 200920190674U CN 201475448 U CN201475448 U CN 201475448U
- Authority
- CN
- China
- Prior art keywords
- flap
- oil cylinder
- cylinder mechanism
- valve body
- swash plate
- 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
- Fluid-Damping Devices (AREA)
- Check Valves (AREA)
Abstract
The utility model relates to a section bradyseism type swash plate check valve, wherein a buffer mechanism is respectively arranged on two ends of a rotation path on the upside and the downside of a valve body corresponding to opening/closing of a valve flap, the buffer mechanisms comprise oil cylinder mechanisms with piston rods, the upper oil cylinder mechanism and the lower oil cylinder mechanism are fixed on the valve body, the piston rod of each oil cylinder mechanism extends into a flow passage, and two buffer locating seats which are adapted are formed on the top end of the valve flap corresponding to two buffer mechanisms. The section bradyseism type swash plate check valve is additionally provided with the upper oil cylinder mechanism and the lower oil cylinder mechanism on the basis of the prior art, when the valve flap is opened or closed, buffer locating seats on the valve flap may contact the piston rods in the oil cylinder mechanisms to play a buffering role, thereby slowing the valve flap closing speed, protecting the valve flap and prolonging the service life. The plane sealing in the prior art is changed into double taper sealing to reduce the opening moment, which is beneficial for not leaving medium on the sealing surface.
Description
Technical field
The utility model relates to a kind of valve, relates in particular to a kind of joint bradyseism formula swash plate safety check.
Background technique
Existing joint bradyseism formula swash plate safety check is the key equipment that connects water pump in iron and steel, the chemical industry, belong to extraordinary pump valve, be mainly used in water, oil, the medium such as neat, though the Perfect in shape and function of joint bradyseism formula swash plate safety check, compact structure, but there is following defective: 1, no damping mechanism, on the dish plate is opened, move or close when moving down, fragile; 2, be sealed into plane sealing between dish plate and the valve seat, it is excessive to open moment, easily leaves over medium on the sealing surface.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, provides a kind of structural design more reasonable, the joint bradyseism formula swash plate safety check more reliable, better tightness of working.
For achieving the above object, the utility model adopts a kind of joint bradyseism formula swash plate safety check, comprise valve body, valve seat, flap and flap running shaft, laterally offer runner in the valve body, form the valve seat that constitutes sealing pair with flap on the valve body, flap is arranged in the valve body and with the runner center line and is in tilted layout, two flap running shafts are positioned at the both sides, top of flap and are articulated and connected with flap, on valve body, the two ends of the rotation path of the On/Off of corresponding flap respectively are provided with a damping mechanism on the following both sides, damping mechanism comprises the oil cylinder mechanism of being with piston rod, on, following oil cylinder mechanism is fixed on the valve body, piston rod on each oil cylinder mechanism stretches in the runner, and corresponding 2 damping mechanisms form 2 suitable buffering positioning seats on the flap top.
Little in order to realize opening moment, and on sealing surface, can not leave over medium, the sealing surface that the utility model further is set to flap and valve seat formation sealing pair adopts the double tapered sealing surface.
The utility model further is set to upper cylinder mechanism and is arranged on the valve body upside, it is vertical with the center line of runner that it is provided with direction, following oil cylinder mechanism is arranged on the valve body downside, its be provided with direction be in flap under, piston rod on the following oil cylinder mechanism is oblique to be stretched in the valve body, the flap top is provided with fixed base, last buffering positioning seat is arranged on the upper end of fixed base and corresponding with the piston rod of upper cylinder mechanism, and the following positioning seat that cushions is arranged on a side lower end of fixed base and corresponding with the piston rod of following oil cylinder mechanism.
Consider that from the sealing angle tapering that the utility model further is set to the double tapered sealing surface on flap and the valve seat is 48 °-60 °.
More steady in order to cushion, the utility model further is set to damping mechanism and comprises the lubricating cup assembly, and the lubricating cup assembly is arranged in the runner and the opposite side on corresponding flap top, and the lubricating cup assembly is connected by the cylinder interior of oil pipe with following oil cylinder mechanism.
The utility model has been set up upper and lower oil cylinder mechanism on the basis of existing technology, when the flap On/Off; buffering positioning seat on the flap can touch with the piston rod in the oil cylinder mechanism, plays the effect of buffering, and the flap closing velocity is slowed down; protect flap, prolonged working life.And made the plane sealing of prior art into the double tapered sealing, and make that to open moment little, help not leaving on the sealing surface medium.
Description of drawings
Fig. 1 is the utility model example structure schematic representation.
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1.
Embodiment
As Fig. 1, shown in 2, specific embodiment of the utility model is a kind of joint bradyseism formula swash plate safety check, comprise valve body 1, valve seat 5, flap 2 and flap running shaft 4, valve body 1 combines about by main valve body and auxiliary valve body, laterally offer runner 11 in the valve body 1, form the valve seat 5 that constitutes sealing pair with flap 2 on the valve body 1, flap 2 is arranged in the valve body 1 and with runner 11 center lines and is in tilted layout, two flap running shafts 4 are positioned at the both sides, top of flap 2 and are articulated and connected with flap 2, on valve body 1, the two ends of the rotation path of the On/Off of corresponding flap 2 respectively are provided with an oil cylinder mechanism that is used to cushion on the following both sides, upper cylinder mechanism 6 is arranged on valve body 1 upside, it is vertical with the center line of runner 11 that the piston rod 61 of upper cylinder mechanism 6 is provided with direction, following oil cylinder mechanism 7 is arranged on valve body 1 downside, its be provided with direction be in flap 2 under, piston rod 71 oblique stretching in the valve body 1 on the following oil cylinder mechanism 7, flap 2 tops are provided with fixed base 21, last buffering positioning seat 22 is arranged on the upper end of fixed base 21 and corresponding with the piston rod 61 of upper cylinder mechanism 6, and the following positioning seat 23 that cushions is arranged on a side lower end of fixed base 21 and corresponding with the piston rod 71 of following oil cylinder mechanism 7.Lubricating cup assembly 8 is arranged in the runner 11 and the opposite side on corresponding flap 2 tops, and lubricating cup assembly 8 is by cylinder body 72 inner are connected of oil pipe 9 with following oil cylinder mechanism 7.Flap 2 adopts double tapered sealing surface 10 with the sealing surface that valve seat 5 constitutes sealing pair, and the tapering of double tapered sealing surface 10 is 48 °-60 °.
Little in order to realize opening moment, and on sealing surface, can not leave over medium, the flap 2 of the foregoing description adopts double tapered sealing surface 10 with the sealing surface that valve seat 5 constitutes sealing pair.
The damping mechanism of the foregoing description adopts following structure: upper cylinder mechanism 6 is arranged on valve body 1 upside, it is vertical with the center line of runner 11 that it is provided with direction, following oil cylinder mechanism 7 is arranged on valve body 1 downside, its be provided with direction be in flap 2 under, piston rod 71 oblique stretching in the valve body 1 on the following oil cylinder mechanism 7, flap 2 tops are provided with fixed base 21, a buffering positioning seat 22 is arranged on the upper end of fixed base 21 and corresponding with the piston rod 61 of upper cylinder mechanism 6, another buffering positioning seat 23 is arranged on a side lower end of fixed base 21 and corresponding with the piston rod 71 of following oil cylinder mechanism 7, be best mode of execution, damping mechanism also can adopt other modes.
Consider that from the sealing angle flap 2 of the foregoing description and the tapering of the double tapered sealing surface on the valve seat 5 are 48 °-60 °, this angle is through calculating, and is best.
The damping mechanism of the foregoing description comprises lubricating cup assembly 8, and lubricating cup assembly 8 is arranged in the runner 11 and the opposite side on corresponding flap 2 tops, and 8 of lubricating cup groups are passed through oil pipe 9 and are connected with cylinder body 72 inside of following oil cylinder mechanism 7.When flap 2 was closed, the following buffering positioning seat 23 on the flap 2 touched down the piston rod 71 of oil cylinder mechanism 7, and piston rod 71 is retracted in the cylinder body 72 of oil cylinder mechanism 7, the oil pressure in the cylinder body 72 was gone in the lubricating cup assembly 8 impact force of bringing when closing with buffering flap 2; When flap 2 is opened, following buffering positioning seat 23 on the flap 2 breaks away from the piston rod 71 of oil cylinder mechanism 7 down, oil in the lubricating cup assembly 8 flows in the cylinder body 72 of oil cylinder mechanism 7 again, piston rod 71 is released, like this can be more steady to the buffering of flap 2, more reliable, if it is also passable that lubricating cup assembly 8 is not set, but the oil in the cylinder body 72 of oil cylinder mechanism 7 will reduce, and reserve the part space and be used for buffering, and buffer distance will be dwindled.
Claims (8)
1. one kind is saved bradyseism formula swash plate safety check, comprise valve body, valve seat, flap and flap running shaft, laterally offer runner in the valve body, form the valve seat that constitutes sealing pair with flap on the valve body, flap is arranged in the valve body and with the runner center line and is in tilted layout, two flap running shafts are positioned at the both sides, top of flap and are articulated and connected with flap, it is characterized in that: on valve body, the two ends of the rotation path of the On/Off of corresponding flap respectively are provided with a damping mechanism on the following both sides, damping mechanism comprises the oil cylinder mechanism of being with piston rod, on, following oil cylinder mechanism is fixed on the valve body, piston rod on each oil cylinder mechanism stretches in the runner, and corresponding 2 damping mechanisms form 2 suitable buffering positioning seats on the flap top.
2. joint bradyseism formula swash plate safety check according to claim 1 is characterized in that: the sealing surface that described flap and valve seat constitute sealing pair adopts the double tapered sealing surface.
3. joint bradyseism formula swash plate safety check according to claim 1 and 2, it is characterized in that: described upper cylinder mechanism is arranged on the valve body upside, it is vertical with the center line of runner that it is provided with direction, following oil cylinder mechanism is arranged on the valve body downside, its be provided with direction be in flap under, piston rod on the following oil cylinder mechanism is oblique to be stretched in the valve body, the flap top is provided with fixed base, last buffering positioning seat is arranged on the upper end of fixed base and corresponding with the piston rod of upper cylinder mechanism, and the following positioning seat that cushions is arranged on a side lower end of fixed base and corresponding with the piston rod of following oil cylinder mechanism.
4. joint bradyseism formula swash plate safety check according to claim 2 is characterized in that: the tapering of the double tapered sealing surface on described flap and the valve seat is 48 °-60 °.
5. joint bradyseism formula swash plate safety check according to claim 3 is characterized in that: the tapering of the double tapered sealing surface on described flap and the valve seat is 48 °-60 °.
6. joint bradyseism formula swash plate safety check according to claim 1 and 2, it is characterized in that: described damping mechanism comprises the lubricating cup assembly, the lubricating cup assembly is arranged in the runner and the opposite side on corresponding flap top, and the lubricating cup assembly is connected by the cylinder interior of oil pipe with following oil cylinder mechanism.
7. joint bradyseism formula swash plate safety check according to claim 3, it is characterized in that: described damping mechanism lubricating cup assembly, the lubricating cup assembly is arranged in the runner and the opposite side on corresponding flap top, and the lubricating cup assembly is connected by the cylinder interior of oil pipe with following oil cylinder mechanism.
8. joint bradyseism formula swash plate safety check according to claim 4, it is characterized in that: described damping mechanism lubricating cup assembly, the lubricating cup assembly is arranged in the runner and the opposite side on corresponding flap top, and the lubricating cup assembly is connected by the cylinder interior of oil pipe with following oil cylinder mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201906747U CN201475448U (en) | 2009-07-30 | 2009-07-30 | Section bradyseism type swash plate check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201906747U CN201475448U (en) | 2009-07-30 | 2009-07-30 | Section bradyseism type swash plate check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201475448U true CN201475448U (en) | 2010-05-19 |
Family
ID=42411697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201906747U Expired - Fee Related CN201475448U (en) | 2009-07-30 | 2009-07-30 | Section bradyseism type swash plate check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201475448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194671A (en) * | 2018-01-12 | 2018-06-22 | 杭州老板电器股份有限公司 | Check-valves and central cooking fume control equipment |
-
2009
- 2009-07-30 CN CN2009201906747U patent/CN201475448U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194671A (en) * | 2018-01-12 | 2018-06-22 | 杭州老板电器股份有限公司 | Check-valves and central cooking fume control equipment |
| CN108194671B (en) * | 2018-01-12 | 2024-04-26 | 杭州老板电器股份有限公司 | Check valve and central oil smoke clarification plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103334920B (en) | A kind of tilt-disc check valve | |
| CN208221450U (en) | A kind of hydraulic shock-absorption piston and hydraulic damper with throttle valve plate | |
| CN202659990U (en) | Adjustable swing check valve | |
| CN201475448U (en) | Section bradyseism type swash plate check valve | |
| CN103821979A (en) | Multistage depressurization valve | |
| CN103267168B (en) | Valve buffer | |
| CN203051598U (en) | Novel hydraulic buffer | |
| CN205806309U (en) | A kind of hydroelastic system damping device | |
| CN201078305Y (en) | Air cushioning type vacuum gulp valve | |
| CN102305309B (en) | Hydraulic damping device for valve | |
| CN201810831U (en) | High-temperature micro-resistance slow closing check valve | |
| CN103075570B (en) | Valve buffer | |
| CN204419758U (en) | A kind of buffering hydraulic cylinder | |
| CN201401520Y (en) | Gate valve with self-sealing and buffering functions | |
| CN203743551U (en) | Multistage pressure reducing valve | |
| CN202220898U (en) | Hydraulic damping device for valve | |
| CN207080654U (en) | A kind of ramp type three-level Slow Close non-return butterfly valve | |
| CN117090992B (en) | Pneumatic stop valve | |
| CN204756032U (en) | Butt clamp butterfly check valve | |
| KR970044030A (en) | An apparatus for damping the shock of the piston in hydraulic breaker | |
| CN207454841U (en) | The check-valves of dual regulation | |
| CN203394742U (en) | Inclined plate check valve | |
| CN103292028B (en) | Valve buffer | |
| CN201763984U (en) | Parallel double supporting plate gate valve | |
| CN207864651U (en) | High intensity hand stop valve |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20180730 |