CN201787138U - Obliquely-arranged sealing double-plate buffering check valve - Google Patents
Obliquely-arranged sealing double-plate buffering check valve Download PDFInfo
- Publication number
- CN201787138U CN201787138U CN2010205255644U CN201020525564U CN201787138U CN 201787138 U CN201787138 U CN 201787138U CN 2010205255644 U CN2010205255644 U CN 2010205255644U CN 201020525564 U CN201020525564 U CN 201020525564U CN 201787138 U CN201787138 U CN 201787138U
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- valve
- valve body
- clack
- check valve
- obliquely
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- Expired - Fee Related
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Abstract
The utility model relates to a check valve used for petrifaction, electric power, metallurgy, water drainage pipeline and high temperature pressure pipelines, in particular to an obliquely-arranged sealing double-plate buffering check valve. The check valve comprises a valve body, wherein a valve seat is arranged on the inner wall of the valve body, a large valve clack is arranged on the inner ring of the valve body, a small valve clack is arranged on the large valve clack and fixed through a fixing pin, location holes are formed on the large valve clack, location pins are arranged on the location holes, a valve rod is arranged and fixed on the large clack through the location pins, the valve rod penetrates the valve body and is connected with a damping oil cylinder on a connecting frame, a handle is arranged on the connecting frame and connected with the damping oil cylinder, a counter weight is arranged at the tail end of the handle, and a valve rod seal is arranged between the valve body and the valve rod for preventing the overflowing of medium. By virtue of the structure, the obliquely-arranged sealing double-plate buffering check valve has the advantages of light weight, simple structure, low cost and convenience of installation and use.
Description
Technical field
The utility model relates to and is used for petrochemical industry, electric power, metallurgy, drainage pipe and high-temperature and pressure pipeline, is specifically related to the two plate buffer check valves of a kind of tilting sealing.
Background technique
At present, safety check in aqueduct plays unidirectional water delivery, and have the effect that anti-sealing refluxes: it uses very generally, original general check valve only is provided with the single valve lobe, when cutting out the pump, sound is very big, the flap of its safety check to the vibration of valve body easily to the impact of water pump and pipeline, cause pump housing screw loosening, the flap damage of safety check and breaking of pipeline.
The model utility content
The purpose of this utility model provides the two plate buffer check valves of a kind of tilting sealing, and the two plate buffer check valve shock-absorbing capacities of this tilting sealing are good, has the effect of anti-aqueous reflux simultaneously, and its sound is very little.
In order to reach described purpose, the utility model adopts following concrete technological scheme: the two plate buffer check valves of a kind of tilting sealing, comprise valve body, described valve interior wall is provided with valve seat, described valve body inner ring is provided with big valve and debates, described big valve is debated and is provided with little valve and debates, and fix with fixing pin, described big valve is debated and is provided with positioning hole, described positioning hole is provided with locating stud, and described big valve is debated and is provided with valve rod, and fixes by locating stud, described valve rod passes valve body and is connected with damping oil cylinder on the link press span, described link press span is provided with handle, and is connected in damping oil cylinder, and described handle end is provided with weight.
Be provided with valve stem seal between described valve body and the valve rod, do not allow medium outflow.
Owing to be provided with said structure, the two plate buffer check valves of this tilting sealing are in light weight, simple in structure, cost is low, easy to install.
Remarkable result of the present utility model following some:
1, valve seat is a tilting, and the valve opening and closing stroke is short, and start-stop performance is good.
2, butterfly plate is a bivalve lobe double offset structure, and the valve opening and closing motion rationally.
3, adopt rubber and multi-level metallic seal, good seal performance, long service life.
4, butterfly plate/valve shaft opens and closes flexible, no clamping stagnation.
5, the selection of friction pair material, pairing, sealing configuration form and installation position design can guarantee that valve plate, valve shaft moving element use the rotating property that keeps good for a long time.
6, valve mechanism length is pressed the GB/12221 regulation, and structure length is short, and is in light weight.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the front view of the two plate buffer check valves of a kind of tilting sealing of the utility model.
Fig. 2 is the side view of the two plate buffer check valves of a kind of tilting sealing of the utility model.
Embodiment
As Fig. 1, shown in Figure 2, the two plate buffer check valves of a kind of tilting sealing, comprise valve body 1, described valve body 1 inwall is provided with valve seat 2, valve seat 2 off-centre shorten itself and sealing pair for 15 ° and close distance, the sealing surface that more can stop pipeline medium to flow backwards, described valve body 1 inner ring is provided with big valve and debates 3, and by valve rod 4 activities, can stop the refluence of pipeline medium 80%-85%, under the effect of the medium of pipeline and deadweight, close, and drive valve rod 4 and little valve and debate 5 and damping oil cylinder 6, described big valve is debated 4 and is provided with little valve and debates 5, and fix with fixing pin 51, debating 4 at big valve closes fully, little valve debates 5 and also has 10% not cut out under the effect of damping oil cylinder 6, described big valve is debated 4 and is provided with positioning hole 41, described positioning hole 41 is provided with locating stud 42, and described big valve is debated 4 and is provided with valve rod 4, and fixes by locating stud 42, described valve rod 4 passes valve body 1 and is connected with damping oil cylinder 6 on the link press span 7, described link press span 7 is provided with handle 71, and is connected in damping oil cylinder 6, and described handle 71 ends are provided with weight 72, can auxiliary valve the closing of sealing, stop the refluence of medium, be provided with valve stem seal 13 between described valve body 1 and the valve rod 4, do not allow medium outflow.
It should be noted that at last: above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (2)
1. two plate buffer check valves of a tilting sealing, it is characterized in that: comprise that valve body, described valve interior wall are provided with valve seat, described valve body inner ring is provided with big valve and debates, described big valve is debated and is provided with little valve and debates, and fix with fixing pin, described big valve is debated and is provided with positioning hole, described positioning hole is provided with locating stud, described big valve is debated and is provided with valve rod, and fix by locating stud, described valve rod passes valve body and is connected with damping oil cylinder on the link press span, and described link press span is provided with handle, and being connected in damping oil cylinder, described handle end is provided with weight.
2. according to the two plate buffer check valves of the described tilting sealing of claim 1, it is characterized in that: be provided with valve stem seal between described valve body and the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205255644U CN201787138U (en) | 2010-09-10 | 2010-09-10 | Obliquely-arranged sealing double-plate buffering check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205255644U CN201787138U (en) | 2010-09-10 | 2010-09-10 | Obliquely-arranged sealing double-plate buffering check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201787138U true CN201787138U (en) | 2011-04-06 |
Family
ID=43819101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205255644U Expired - Fee Related CN201787138U (en) | 2010-09-10 | 2010-09-10 | Obliquely-arranged sealing double-plate buffering check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201787138U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090342A (en) * | 2016-08-29 | 2016-11-09 | 方正阀门集团(温州)机械制造有限公司 | The check-valves of anti-low-flow vibration |
| CN109296785A (en) * | 2018-11-01 | 2019-02-01 | 联峰钢铁（张家港）有限公司 | A kind of blower non-return valve |
| CN110107699A (en) * | 2018-02-01 | 2019-08-09 | 株式会社鹭宫制作所 | Dehumidification valve |
| CN113513617A (en) * | 2021-05-17 | 2021-10-19 | 江苏盾安环控系统有限公司 | Damping check valve for ventilation system of nuclear power station |
-
2010
- 2010-09-10 CN CN2010205255644U patent/CN201787138U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090342A (en) * | 2016-08-29 | 2016-11-09 | 方正阀门集团(温州)机械制造有限公司 | The check-valves of anti-low-flow vibration |
| CN106090342B (en) * | 2016-08-29 | 2019-01-04 | 方正阀门集团(温州)机械制造有限公司 | The check-valves of anti-low-flow vibration |
| CN110107699A (en) * | 2018-02-01 | 2019-08-09 | 株式会社鹭宫制作所 | Dehumidification valve |
| CN109296785A (en) * | 2018-11-01 | 2019-02-01 | 联峰钢铁（张家港）有限公司 | A kind of blower non-return valve |
| CN109296785B (en) * | 2018-11-01 | 2024-03-29 | 联峰钢铁（张家港）有限公司 | Blower check valve |
| CN113513617A (en) * | 2021-05-17 | 2021-10-19 | 江苏盾安环控系统有限公司 | Damping check valve for ventilation system of nuclear power station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20120910 |