CN204729693U - Rubber plate revolves and opens safety check - Google Patents
Rubber plate revolves and opens safety check Download PDFInfo
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- CN204729693U CN204729693U CN201520474026.XU CN201520474026U CN204729693U CN 204729693 U CN204729693 U CN 204729693U CN 201520474026 U CN201520474026 U CN 201520474026U CN 204729693 U CN204729693 U CN 204729693U
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- rubber plate
- safety check
- revolves
- valve
- plate
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 97
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 12
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 23
- 238000007789 sealing Methods 0.000 abstract description 16
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000013016 damping Methods 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- -1 valve body Substances 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a kind of rubber plate to revolve and open safety check, comprise the structures such as the valve body of tubulose, discoid rubber plate, rocking bar.The rubber plate that the utility model provides revolves and opens safety check, has many technical advantages such as wear-resistant, impact resistance and significant sealing effect.
Description
Technical field
The utility model relates to valve equipment technology field, particularly relates to a kind of rubber plate and revolves and open safety check.
Background technique
In the prior art, the check valve for preventing the medium in pipeline from flowing backwards has a variety of; Such as: revolve and open safety check and damping check valve.
Wherein, as shown in Figure 1, traditional revolving opens safety check primarily of structure compositions such as the pad A5 bottom valve A 1, valve gap A2, flap A3 and rocking bar A4, valve gap, bearing pin A6, valve seat A7.Traditional revolve open safety check be flap A3 in valve body chamber using bearing pin A6 as running shaft, the safety check rotated for cursor with rocking bar A4; Revolving the closure member opening safety check is a clack type disk (i.e. flap A3) suitable with pipeline drift diameter, it hangs in valve body cavity, effect lower Disc when fluid forward flow in flowing pressure is opened, when the pressure drops flap conduct oneself with dignity and counter fluid pressure effect under close that (namely flap A3 is buckled in valve seat A7 and realizes sealing non-return effect when closing; Or revolve see conventional construction another kind of in Fig. 1 a the working state schematic representation opening safety check).
In addition, damping check valve is made up of valve body, flap and valve gap.Its working principle of damping check valve stops flowing in the other direction, and only allow medium to flow to a direction, usual this valve is automatic operation; Open at the hydrodynamic pressure lower Disc of direction flowing, when fluid flows in the other direction, acting on valve seat from coincidence flap thus cutting off flowing by hydrodynamic pressure and flap.
But, tradition of the prior art is revolved and is opened safety check and damping check valve all exists some objective technique defects obviously: such as: the weight (namely traditional flap be generally the hardwares such as cast iron) of safety check due to flap is opened in traditional revolving, when flap is opened, the resistance of convection cell is relatively large, can make fluid turbulization in a fluid because flap suspends, this also shows the pressure drop being greater than other safety check by revolving the fluid-pressure drop opening safety check.When flow direction changes suddenly, what flap can be fierce be closed on lobe dish can cause valve seat very galling, and produces water hammer along pipeline, has a strong impact on sealing effect.The sealing of central flange and valve gap also must be handled well and prevent from leaking, and revolves and opens safety check in a low voltage state because flap and valve seat are all that metal covering contacts with each other so when medium circulating pressure is low, sealing effect can be greatly affected.Damping check valve should not be used in containing solid particle and the larger medium of viscosity, should not be used for sewage network.And traditional damping check valve water flow is less, constrains fluid flow and passes through efficiency.
To sum up, the technological deficiency how overcoming the above-mentioned safety check in conventional art is those skilled in the art's problem demanding prompt solutions.
Model utility content
The purpose of this utility model is that providing a kind of rubber plate to revolve opens safety check, to solve the problem.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of rubber plate and revolves and open safety check, comprises the valve body 1 of tubulose, discoid rubber plate 2, rocking bar 3, wherein:
The two ends of the valve body 1 of described tubulose are respectively arranged with flange plate 4, described flange plate 4 are provided with the valve hurdle mouth 5 for being fixedly connected with pipeline;
Valve body 1 inside of described tubulose is the cavity of conducting, and described discoid rubber plate 2 and rocking bar 3 are all arranged in described cavity, and valve body 1 two ends of tubulose are respectively influent stream mouth 6 and go out head piece 7; The influent stream mouth 6 place end being positioned at described cavity is provided with protruding flange shape valve seat 8 along the cavity wall of described cavity; The cavity wall of described cavity is also provided with groove 9, is provided with bearing pin 10 in described groove 9; Described bearing pin 10 is rotationally connected with one end of described rocking bar 3, and the other end of described rocking bar 3 is connected with described rubber plate 2.
Preferably, can embodiment as one; Described discoid rubber plate 2 comprises the spheroidal graphite iron plate of internal layer and bag is bonded at the outer field ethylene-propylene-diene monomer glue-line of described spheroidal graphite iron plate.
Preferably, can embodiment as one; The valve body 1 of described tubulose is QT450 structural member.
Preferably, can embodiment as one; Described rocking bar 3 is stainless steel structure part.
Preferably, can embodiment as one; Geomery and described discoid rubber plate 2 geomery of described flange shape valve seat 8 adapt.
Preferably, can embodiment as one; Described valve hurdle mouth 5 is multiple, and multiple described valve hurdles mouth 5 is along the circumferencial direction surface uniform setting spaced apart of flange plate 4.
Preferably, can embodiment as one; Valve hurdle mouth 5 on each described flange plate 4 is four.
Preferably, can embodiment as one; The surface of each described flange plate 4 is also provided with multiple concave convex texture being convenient to seal.
Preferably, can embodiment as one; Removably connected by bolt between described rocking bar 3 and described rubber plate 2.
Preferably, can embodiment as one; The surface of the valve body 1 of described tubulose is also provided with protruding installation direction instruction unit 11.
Compared with prior art, the advantage of the utility model embodiment is:
A kind of rubber plate that the utility model provides revolves and opens safety check; Analyzing above-mentioned rubber plate, to revolve the main structure opening safety check known: the rubber plate that the utility model embodiment provides revolve open safety check its primarily of structure division compositions such as valve body 1 (i.e. the valve body of tubulose), rubber plate 2 (i.e. discoid rubber plate), rocking bars 3; Wherein, the two ends of the valve body 1 of described tubulose are respectively arranged with flange plate 4, flange plate 4 are provided with the valve hurdle mouth 5 for being fixedly connected with pipeline; And the valve inner of tubulose is the cavity of conducting, the valve body two ends of tubulose are respectively influent stream mouth 6 and go out head piece 7; Discoid rubber plate 2 and rocking bar 3 are all arranged in above-mentioned cavity; The influent stream mouth 6 place end being positioned at described cavity is provided with protruding flange shape valve seat 8 (namely circular valve seat) along the cavity wall of described cavity; The cavity wall of described cavity is also provided with groove 9, is provided with bearing pin 10 in groove; Described bearing pin 10 is rotationally connected with one end of described rocking bar 3, the other end of described rocking bar 3 is connected with described rubber plate 2 (so, rocking bar 3 by bearing pin 10, and with bearing pin 10 for rotatingshaft rotates; In the process that this rotates, revolve and open safety check it can prevent the medium in pipeline from flowing backwards effectively.Namely serve as open-shut device by discoid rubber plate 2, it is opened voluntarily by media flow and strength or closes, and flows backwards to prevent medium.Wherein, when valve closing, what discoid rubber plate 2 can be appropriate is fastened on flange shape valve seat 8 (namely circular valve seat), ensures closing influent stream mouth).
The rubber plate that the utility model embodiment adopts is as flap, the relatively traditional flap of himself weight (namely traditional flap is generally the hardwares such as cast iron) weight wants light, when flap is opened, the resistance of convection cell is relatively little, when flow direction changes suddenly, flap all can significantly reduce the prooving of valve seat and shock strength, it can avoid producing water hammer, and ensure that sealing effect.The rubber plate provided at the present embodiment revolves and opens in the structure of safety check, and when the flap of rubber plate structure contacts with valve seat, the pressure of pipe fluid is high and low well can play sealing effect.Under current great turbulence level condition, the flap formed by rubber plate, even if itself and valve seat are under strong effect of impact, the collision effect of flap and valve seat also can not cause wearing and tearing and affect sealing effect.In addition, because this product does not have valve gap, it directly can solve the sealing problem of poor of valve gap and valve body.The flap largest benefit of novel rubber plate structure does not have the sturdy and durable long service life of resistance to water pump exactly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is mode of executions more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that a kind of in conventional art revolves the structural representation opening safety check;
Fig. 1 a is that the another kind in conventional art revolves the structural representation opening safety check;
Rubber plate under the visual angle that Fig. 2 provides for the utility model embodiment revolves the perspective view opening safety check;
Rubber plate under another visual angle that Fig. 3 provides for the utility model embodiment revolves the perspective view opening safety check;
Rubber plate under the visual angle again that Fig. 4 provides for the utility model embodiment revolves the perspective view opening safety check;
The rubber plate gone back under a visual angle that Fig. 5 provides for the utility model embodiment revolves the perspective view opening safety check;
Rubber plate under the flap open mode that Fig. 6 provides for the utility model embodiment revolves the side view opening safety check;
Fig. 6 a is that the A-A of Fig. 6 is to sectional view;
Rubber plate under the flap closed state that Fig. 7 provides for the utility model embodiment revolves the side view opening safety check;
Fig. 7 a is that the A-A of Fig. 7 is to sectional view;
Fig. 8 revolves the valve body piece figure opened in check valve structure for the rubber plate that the utility model embodiment provides;
Fig. 9 tiltedly cuts open structural representation for rubber plate that the utility model embodiment provides revolves the valve body opened in check valve structure;
Rubber plate under the visual angle that Figure 10 provides for the utility model embodiment revolves the structural representation opening rubber plate in check valve structure and bearing pin and form;
Rubber plate under another visual angle that Figure 11 provides for the utility model embodiment revolves the structural representation opening rubber plate in check valve structure and bearing pin and form.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
See Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of rubber plate that the utility model embodiment provides revolves and opens safety check, comprises the valve body 1 of tubulose, discoid rubber plate 2, rocking bar 3, wherein:
The two ends of the valve body 1 of described tubulose are respectively arranged with flange plate 4, described flange plate 4 are provided with the valve hurdle mouth 5 for being fixedly connected with pipeline;
Valve body 1 inside of described tubulose is the cavity of conducting, and described discoid rubber plate 2 and rocking bar 3 are all arranged in described cavity, and valve body 1 two ends of tubulose are respectively influent stream mouth 6 and go out head piece 7; The influent stream mouth 6 place end being positioned at described cavity is provided with protruding flange shape valve seat 8 along the cavity wall of described cavity; The cavity wall of described cavity is also provided with groove 9, is provided with bearing pin 10 (see also Fig. 8 and Fig. 9) in described groove 9; Described bearing pin 10 is rotationally connected with one end of described rocking bar 3, and the other end of described rocking bar 3 is connected with described rubber plate 2.
Analyzing above-mentioned rubber plate, to revolve the main structure opening safety check known: the rubber plate that the utility model embodiment provides revolve open safety check its primarily of structure division compositions such as valve body 1 (i.e. the valve body of tubulose), rubber plate 2 (i.e. discoid rubber plate), rocking bars 3; Wherein, the two ends of the valve body 1 of described tubulose are respectively arranged with flange plate 4, flange plate 4 are provided with the valve hurdle mouth 5 for being fixedly connected with pipeline; And the valve inner of tubulose is the cavity of conducting, the valve body two ends of tubulose are respectively influent stream mouth 6 and go out head piece 7; Discoid rubber plate 2 and rocking bar 3 are all arranged in above-mentioned cavity; The influent stream mouth 6 place end being positioned at described cavity is provided with protruding flange shape valve seat 8 (namely circular valve seat) along the cavity wall of described cavity; The cavity wall of described cavity is also provided with groove 9, is provided with bearing pin 10 in groove; Described bearing pin 10 is rotationally connected with one end of described rocking bar 3, the other end of described rocking bar 3 is connected with described rubber plate 2 (so, rocking bar 3 by bearing pin 10, and with bearing pin 10 for rotatingshaft rotates; Specifically see Fig. 6 (Fig. 6 a) and Fig. 7 (Fig. 7 a), in the process that this rotates, revolve and open safety check it can prevent the medium in pipeline from flowing backwards effectively.Namely serve as open-shut device by discoid rubber plate 2, it is opened voluntarily by media flow and strength or closes, and flows backwards to prevent medium.Wherein, when valve closing, what discoid rubber plate 2 can be appropriate is fastened on flange shape valve seat 8 (namely circular valve seat), ensures closing influent stream mouth).
The rubber plate that the utility model embodiment adopts is as flap, the relatively traditional flap of himself weight (namely traditional flap is generally the hardwares such as cast iron) weight wants light, when flap is opened, the resistance of convection cell is relatively little, when flow direction changes suddenly, flap all can significantly reduce the prooving of valve seat and shock strength, it can avoid producing water hammer, and ensure that sealing effect.The rubber plate provided at the present embodiment revolves and opens in the structure of safety check, and when the flap of rubber plate structure contacts with valve seat, the pressure of pipe fluid is high and low well can play sealing effect.Under current great turbulence level condition, the flap formed by rubber plate, even if itself and valve seat are under strong effect of impact, the collision effect of flap and valve seat also can not cause wearing and tearing and affect sealing effect.In addition, because this product does not have valve gap, it directly can solve the sealing problem of poor of valve gap and valve body.The flap largest benefit of novel rubber plate structure does not have the sturdy and durable long service life of resistance to water pump exactly.
Above-mentioned revolving is opened safety check and is belonged to self-acting valve class, is mainly used on the pipeline of medium one-way flow, only allows a medium to flow to a direction, enforcement valve applications that can be safe and reliable.
The concrete structure principle that opens safety check is revolved to the rubber plate in the utility model embodiment below and concrete technique effect does detailed description:
In concrete structure, described discoid rubber plate 2 comprises the spheroidal graphite iron plate of internal layer and bag is bonded at the outer field ethylene-propylene-diene monomer glue-line of described spheroidal graphite iron plate.
It should be noted that, its spheroidal graphite iron plate primarily of internal layer of the flap of above-mentioned rubber tabular and bag are bonded at the outer field ethylene-propylene-diene monomer glue-line composition of described spheroidal graphite iron plate; In the concrete structure of above-mentioned rubber plate flap, namely spheroidal graphite iron plate ensure that own wt; Outer field ethylene-propylene-diene monomer glue-line in turn ensure that the outer field wear-resisting and buffering collision of closed effect of rubber plate simultaneously.
In concrete structure, the valve body 1 of described tubulose is QT450 structural member.Described rocking bar 3 is stainless steel structure part.
It should be noted that, QT450 is spheroidal graphite cast iron, and spheroidal graphite cast iron is that carbon exists with the form of spherical graphite, and its mechanical property outclass graphitic pig iron and close to steel, it has excellent casting, cutting and wear-resisting property.QT450 toughness and plasticity higher, have higher wear-resisting property, impact resistance and corrosion resistance, purposes is comparatively wide, and therefore above-mentioned valve body selects QT450 structural member suitable especially.Rocking bar 3 selects stainless steel structure part, namely ensure that impact resistance when it rotates repeatedly and structural strength, stainless steel structure part also ensure that the working life of rocking bar simultaneously, ensure that it can not get rusty because of oxide etch for a long time, and then cause whole rubber plate to revolve to open safety check to decline working life, reliability decrease.
In concrete structure, geomery and described discoid rubber plate 2 geomery of described flange shape valve seat 8 adapt.
It should be noted that, wherein, when valve closing, what discoid rubber plate can be appropriate is fastened on flange shape valve seat (namely circular valve seat), ensures closing influent stream mouth).Flange shape valve seat 8 as limit structure, will ensure that the flap of rubber tabular is firmly buckled on flange shape valve seat.
In concrete structure, described valve hurdle mouth 5 is multiple, and multiple described valve hurdles mouth 5 is along the circumferencial direction surface uniform setting spaced apart of flange plate 4.Valve hurdle mouth 5 on each described flange plate 4 is four (its concrete quantity is not specifically limited).
In concrete structure, the surface of each described flange plate is also provided with multiple concave convex texture being convenient to seal.
It should be noted that, valve hurdle mouth 5 mainly plays fixation, is fixed on by valve on pipeline, by the connection of rocking bar 3 with rubber plate 2, water well can be blocked; If desired water by time, rocking bar 3 rotates and allows out by its influent stream mouth, is convenient to fluid and is smoothly through rubber plate and revolves and open safety check and flow.
In concrete structure, as shown in figs.10 and 11, removably connected by bolt between described rocking bar 3 and described rubber plate 2.
It should be noted that, the Placement between the rubber plate of above-mentioned circle and rocking bar has been designed to removably connect, and namely connects especially by bolt; When rubber plate changed by needs or needs keep in repair, rubber plate can be carried out dismantling by bolt and carry out necessary replacing in time or maintenance.
In concrete structure, the surface of the valve body 1 of described tubulose is also provided with protruding installation direction instruction unit 11 (i.e. direction mouth).
It should be noted that, protruding installation direction instruction unit 11 is arranged on the outer surface of valve body 1, and its Main Function is prompting installation direction, i.e. signal influent stream mouth and the effect going out head piece position simultaneously.
In sum, the utility model provides a kind of rubber clack and revolves and open safety check, and it is primarily of structure compositions such as valve body, rubber plate, rocking bars, and its constructional simplicity energy good quality is excellent.
Wherein, valve body by QT450 material, the rubber plate that ethylene propylene diene rubber does, the rocking bar that stainless steel does.Can substitute to revolve simultaneously and open safety check and damping check valve.First rubber clack revolves that to open safety check flap be the spheroidal graphite iron plate of being glued by rubber bag, and when contacting with valve seat, the pressure of pipe fluid is high and low well can play sealing effect.Due to the great turbulence level of current, the flap formed by rubber plate, even if itself and valve seat are under strong effect of impact, the collision effect of flap and valve seat also can not cause wearing and tearing and affect sealing effect.Because this product does not have valve gap directly to solve the sealing problem of poor of valve gap and valve body.New type rubber lobe largest benefit does not have the sturdy and durable long service life of resistance to water pump exactly.
The open-shut device of above-mentioned rubber tabular is opened voluntarily by media flow and strength or closes, and flows backwards to prevent medium.Above-mentioned rubber plate revolves and opens safety check and be widely used, and can effectively prevent fluids within pipes adverse current, and then prevent from obtaining many application in pump and the reversion of drive motor machine, one-way non-return etc.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. rubber plate revolves and opens a safety check, it is characterized in that, comprises the valve body (1) of tubulose, discoid rubber plate (2), rocking bar (3), wherein:
The two ends of the valve body (1) of described tubulose are respectively arranged with flange plate (4), described flange plate (4) are provided with valve hurdle mouth (5) for being fixedly connected with pipeline;
Valve body (1) inside of described tubulose is the cavity of conducting, described discoid rubber plate (2) and rocking bar (3) are all arranged in described cavity, and the valve body of tubulose (1) two ends are respectively influent stream mouth (6) and go out head piece (7); Influent stream mouth (6) the place end being positioned at described cavity is provided with protruding flange shape valve seat (8) along the cavity wall of described cavity; The cavity wall of described cavity is also provided with groove (9), is provided with bearing pin (10) in described groove (9); Described bearing pin (10) is rotationally connected with one end of described rocking bar (3), and the other end of described rocking bar (3) is connected with described rubber plate (2).
2. rubber plate as claimed in claim 1 revolves and opens safety check, it is characterized in that,
Described discoid rubber plate (2) comprises the spheroidal graphite iron plate of internal layer and bag is bonded at the outer field ethylene-propylene-diene monomer glue-line of described spheroidal graphite iron plate.
3. rubber plate as claimed in claim 1 revolves and opens safety check, it is characterized in that,
The valve body (1) of described tubulose is QT450 structural member.
4. rubber plate as claimed in claim 1 revolves and opens safety check, it is characterized in that,
Described rocking bar (3) is stainless steel structure part.
5. rubber plate as claimed in claim 1 revolves and opens safety check, it is characterized in that,
Geomery and described discoid rubber plate (2) geomery of described flange shape valve seat (8) adapt.
6. rubber plate as claimed in claim 1 revolves and opens safety check, it is characterized in that,
Described valve hurdle mouth (5) is for multiple, and multiple described valve hurdle mouth (5) is along the circumferencial direction surface uniform setting spaced apart of flange plate (4).
7. rubber plate as claimed in claim 6 revolves and opens safety check, it is characterized in that,
Valve hurdle mouth (5) on each described flange plate (4) is four.
8. rubber plate as claimed in claim 7 revolves and opens safety check, it is characterized in that,
The surface of each described flange plate (4) is also provided with multiple concave convex texture being convenient to seal.
9. rubber plate as claimed in claim 1 revolves and opens safety check, it is characterized in that,
Removably connect especially by bolt between described rocking bar (3) and described rubber plate (2).
10. rubber plate as claimed in claim 1 revolves and opens safety check, it is characterized in that,
The surface of the valve body (1) of described tubulose is also provided with protruding installation direction instruction unit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520474026.XU CN204729693U (en) | 2015-07-03 | 2015-07-03 | Rubber plate revolves and opens safety check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520474026.XU CN204729693U (en) | 2015-07-03 | 2015-07-03 | Rubber plate revolves and opens safety check |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729693U true CN204729693U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520474026.XU Expired - Fee Related CN204729693U (en) | 2015-07-03 | 2015-07-03 | Rubber plate revolves and opens safety check |
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| Country | Link |
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| CN (1) | CN204729693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387248A (en) * | 2015-12-14 | 2016-03-09 | 中国北方发动机研究所(天津) | Special-shaped offset regulating valve |
| CN105697836A (en) * | 2016-03-23 | 2016-06-22 | 程芳茂 | Device for automatically closing gas pipelines before gushing |
-
2015
- 2015-07-03 CN CN201520474026.XU patent/CN204729693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387248A (en) * | 2015-12-14 | 2016-03-09 | 中国北方发动机研究所(天津) | Special-shaped offset regulating valve |
| CN105697836A (en) * | 2016-03-23 | 2016-06-22 | 程芳茂 | Device for automatically closing gas pipelines before gushing |
| CN105697836B (en) * | 2016-03-23 | 2019-01-15 | 程芳茂 | Gas pipeline self closing device to be gushed |
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