CN203823154U - Low resistance zero-pressure sealing check device with rubber clack valve - Google Patents
Low resistance zero-pressure sealing check device with rubber clack valve Download PDFInfo
- Publication number
- CN203823154U CN203823154U CN201420076462.7U CN201420076462U CN203823154U CN 203823154 U CN203823154 U CN 203823154U CN 201420076462 U CN201420076462 U CN 201420076462U CN 203823154 U CN203823154 U CN 203823154U
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- China
- Prior art keywords
- valve body
- valve
- lobe
- check device
- flexible rubber
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- Expired - Fee Related
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Abstract
The utility model relates to a low resistance zero-pressure sealing check device with a rubber clack valve and belongs to the technical field of a control device for a medium pipeline. The low resistance zero-pressure sealing check device with the rubber clack valve comprises a valve body, a runner arranged in the valve body and a valve cap arranged on the valve body, wherein a slot is arranged between the valve body with the upper end close to the one end of a water inlet, and the valve cap; a support shaft is arranged in the slot, and a flexible rubber clack valve used for sealing the valve body is fixedly connected with the support shaft. The low resistance zero-pressure sealing check device with the rubber clack valve is simple in structure, wide in application range and is particularly applicable to various conditions of a drainage system and can play the roles of preventing backflow and realizing bidirectional stop. The opening, closing and rotating of the valve are realized through the flexible rubber clack valve, the toughness of the nylon fabric in the rubber clack valve can be increased, the nylon fabric in the rubber clack valve can resist deformation and fatigue, a steel sheet is lined in the middle of the rubber clack valve to realize the effects of bearing pressure and closing valve.
Description
Technical field
The utility model belongs to the control gear technical field on medium pipeline, is specifically related to a kind of lower resistance zero pressure caulking gum lobe check device.
Background technique
Existing safety check, flap is the rigid construction of metallic material, due to the reason of metallic material, self gravitation is larger, in the water passage system of lower pressure (or with no pressure), the flap of safety check can not be washed open by water, and then plays the effect of non-return, and therefore designing a kind of check device according to the water passage system of lower pressure (or with no pressure) becomes technical barrier.
Model utility content
The purpose of this utility model is exactly the defect for prior art, and a kind of lower resistance zero pressure caulking gum lobe check device is provided.Be applicable to enclosed water passage system (such as pipeline etc.), flow backwards for preventing, form backflow pollution, be applicable to the water passage system of lower pressure (or with no pressure), it is very low that damage by water requires, such as drainage pipe etc.
The technical solution adopted in the utility model is: comprise valve body, be arranged on the runner in valve body and be arranged on the valve gap on valve body, upper end is near being provided with groove between the valve body of water intake one end and valve gap in described valve body, in described groove, be provided with back shaft, on described back shaft, be fixedly connected with the flexible rubber lobe that is useful on sealed valve body.
Further preferred structure, the second groove of offering on the first groove that between described valve body and valve gap, set groove is offered by described valve body upper-end surface and described valve gap lower end surface surrounds jointly.
Further preferred structure, described flexible rubber lobe comprises the wear-resisting connecting band, the steel plate frame being connected with wear-resisting connecting band bottom that are wound in outside back shaft, is wrapped in the rubber plate outside wear-resisting connecting band and steel plate frame.
Further preferred structure, described wear-resisting connecting band comprises interconnective holding part and linkage section, and described holding part top is fixedly connected with back shaft, and described linkage section bottom is connected with steel plate frame, and the rotating center of described flexible rubber lobe is positioned on linkage section.
Further preferred structure, described wear-resisting connecting band material is nylon cloth.
Further preferred structure, described steel plate frame is the Circular plate structure that upper end is connected with wear-resisting connecting band.
Further preferred structure, is provided with sealing configuration between described flexible rubber lobe and valve body.
Further preferred structure, described sealing configuration is the first protruding ring and the second protruding ring that protrudes from flexible rubber lobe in the side that contacts with valve body of flexible rubber lobe, between described the first protruding ring and the second protruding ring, is provided with groove; The outer of described the first protruding ring is mutually vertical with described valve body; The protruding thickness of described the second protruding ring is greater than the thickness of the first protruding ring, described the second protruding ring is to being in tilted layout along the direction of flexible rubber lobe outer, and the flexible rubber lobe of the rear end of described the second protruding ring is provided with the bending activity space of the second protruding ring.
The keying rotation of the utility model valve realizes by flexible rubber clack, rubber clack liner nylon cloth strengthens toughness, counter-bending fatigue, intermediate portion lined steel framework, play pressure-bearing and close valve action, the rotating center of rubber clack and steel plate frame position of centre of gravity have certain bias, guarantee that rubber clack can lean on the effect of deadweight to close in situation with no pressure, the sealing position of rubber clack adopts the design that low pressure seal combines with high pressure sealing simultaneously, can realize low pressure (or with no pressure) sealing, but valve damage by water very low (damage by water is low to moderate 0.1 meter of head), when high pressure sealing, can reach under Maximum operating pressure rubber clack indeformable.The utility model is simple in structure, applied widely, is particularly useful for the various operating modes of drainage system, plays the effect that prevents refluence, one-way non-return.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the local enlarged diagram of flexible rubber lobe in Fig. 1;
Fig. 3 is flexible rubber lobe sectional view;
Fig. 4 is the local enlarged diagram of wear-resisting connecting band;
Fig. 5 is the schematic diagram of sealing configuration between flexible rubber lobe and valve body.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form and limit the utility model.
As shown in Fig. 1-Fig. 3, the utility model comprises valve body 1, is arranged on the runner in valve body 1 and is arranged on the valve gap 2 on valve body 1, the interior upper end of described valve body 1 is near being provided with groove between the valve body 1 of water intake one end and valve gap 2, in described groove, be provided with back shaft 4, on described back shaft 4, be fixedly connected with the flexible rubber lobe 3 that is useful on sealed valve body 1.The second groove 2.1 of offering on the first groove 1.1 that between described valve body 1 and valve gap 2, set groove is offered by described valve body 1 upper-end surface and described valve gap 2 lower end surfaces surrounds jointly.Described flexible rubber lobe 3 comprises the wear-resisting connecting band 5, the steel plate frame 6 being connected with wear-resisting connecting band 5 bottoms that are wound in outside back shaft 4, be wrapped in the rubber plate 7 outside wear-resisting connecting band 5 and steel plate frame 6.As shown in Figure 4, described wear-resisting connecting band 5 comprises interconnective holding part 5.1 and linkage section 5.2, described holding part 5.1 tops are fixedly connected with back shaft 4, and described linkage section 5.2 bottoms are connected with steel plate frame 6, and the rotating center of described flexible rubber lobe 3 is positioned on linkage section 5.2.Described wear-resisting connecting band 5 materials are nylon cloth.The Circular plate structure that described steel plate frame 6 is connected with wear-resisting connecting band 5 for upper end.
In such scheme, as shown in Figure 4, Figure 5, between described flexible rubber lobe 3 and valve body 1, be provided with sealing configuration 8.Described sealing configuration 8 is the part on flexible rubber lobe 3, in the side that described sealing configuration 8 contacts with valve body 1 for flexible rubber lobe 3, protrude from the first protruding ring 8.1 and second protruding ring 8.2 of flexible rubber lobe 3, between described the first protruding ring 8.1 and the second protruding ring 8.2, be provided with groove 8.3; The outer of described the first protruding ring 8.1 is mutually vertical with described valve body 1; The protruding thickness of described the second protruding ring 8.2 is greater than the thickness of the first protruding ring 8.1, described the second protruding ring 8.2 is to being in tilted layout along the direction of flexible rubber lobe 3 outers, and the flexible rubber lobe 3 of the rear end of described the second protruding ring 8.2 is provided with the bending activity space 8.4 for the second protruding ring 8.2.When flexible rubber lobe 3 is in the time that valve body 1 contacts, the second protruding ring 8.2 can first contact with valve body 1, realizes sealing, and the air in groove 8.3 is extruded, and now can realize super-low voltage sealing.Sealing configuration 8 between flexible rubber lobe 3 and valve body 1, can realize low pressure (or with no pressure) time, only depending on flap is that the deadweight of flexible rubber lobe 3 just can be closed sealing, not needing from gravity of sealing is simultaneously very large, can allow the unlatching damage by water of valve but very low; While having high pressure after valve, the sealing configuration 8 of flexible rubber lobe 3 is in regime of elastic deformation, and meanwhile, the activity space 8.4 bending for the second protruding ring 8.2, can reach under Maximum operating pressure flexible rubber lobe 3 indeformable can ensure high pressure sealing time.
The upper end of the utility model flexible rubber lobe is fixed in the groove of valve gap and valve body, can not freely rotate, and the keying of valve realizes by the flexible bending of flexible rubber lobe, and bending power is very little, almost negligible.Nylon cloth can be realized the flexible bending of flexible rubber lobe, and bending power is very little, and warping resistance fatigability is effective.Steel plate frame plays pressure-bearing and closes valve action, and under back pressure effect, flexible rubber lobe can not be out of shape.The keying rotation of the utility model valve realizes by flexible rubber lobe, flexible rubber lobe liner nylon cloth strengthens toughness, counter-bending fatigue, intermediate portion lined steel framework, play pressure-bearing and close valve action, the rotating center of flexible rubber lobe and steel plate frame position of centre of gravity have certain bias, guarantee that flexible rubber lobe can lean on the effect of deadweight to close in situation with no pressure.
The content that this specification is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (8)
1. a lower resistance zero pressure caulking gum lobe check device, comprise valve body, be arranged on the runner in valve body and be arranged on the valve gap on valve body, it is characterized in that: upper end is near being provided with groove between the valve body of water intake one end and valve gap in described valve body, in described groove, be provided with back shaft, on described back shaft, be fixedly connected with the flexible rubber lobe that is useful on sealed valve body.
2. lower resistance zero pressure caulking gum lobe check device according to claim 1, is characterized in that: the second groove of offering on the first groove that between described valve body and valve gap, set groove is offered by described valve body upper-end surface and described valve gap lower end surface surrounds jointly.
3. lower resistance zero pressure caulking gum lobe check device according to claim 1, is characterized in that: described flexible rubber lobe comprises the wear-resisting connecting band, the steel plate frame being connected with wear-resisting connecting band bottom that are wound in outside back shaft, is wrapped in the rubber plate outside wear-resisting connecting band and steel plate frame.
4. lower resistance zero pressure caulking gum lobe check device according to claim 3, it is characterized in that: described wear-resisting connecting band comprises interconnective holding part and linkage section, described holding part top is fixedly connected with back shaft, described linkage section bottom is connected with steel plate frame, and the rotating center of described flexible rubber lobe is positioned on linkage section.
5. lower resistance zero pressure caulking gum lobe check device according to claim 3, is characterized in that: described wear-resisting connecting band material is nylon cloth.
6. lower resistance zero pressure caulking gum lobe check device according to claim 3, is characterized in that: described steel plate frame is the Circular plate structure that upper end is connected with wear-resisting connecting band.
7. according to the lower resistance zero pressure caulking gum lobe check device described in claim 1 or 3, it is characterized in that: between described flexible rubber lobe and valve body, be provided with sealing configuration.
8. lower resistance zero pressure caulking gum lobe check device according to claim 7, it is characterized in that: described sealing configuration is the first protruding ring and the second protruding ring that protrudes from flexible rubber lobe in the side that contacts with valve body of flexible rubber lobe, between described the first protruding ring and the second protruding ring, is provided with groove; The outer of described the first protruding ring is mutually vertical with described valve body; The protruding thickness of described the second protruding ring is greater than the thickness of the first protruding ring, described the second protruding ring is to being in tilted layout along the direction of flexible rubber lobe outer, and the flexible rubber lobe of the rear end of described the second protruding ring is provided with the bending activity space of the second protruding ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076462.7U CN203823154U (en) | 2014-02-21 | 2014-02-21 | Low resistance zero-pressure sealing check device with rubber clack valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076462.7U CN203823154U (en) | 2014-02-21 | 2014-02-21 | Low resistance zero-pressure sealing check device with rubber clack valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203823154U true CN203823154U (en) | 2014-09-10 |
Family
ID=51478658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420076462.7U Expired - Fee Related CN203823154U (en) | 2014-02-21 | 2014-02-21 | Low resistance zero-pressure sealing check device with rubber clack valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203823154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851234A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水系统有限公司 | Low-resistance zero-pressure sealing rubber flap valve checking device |
-
2014
- 2014-02-21 CN CN201420076462.7U patent/CN203823154U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851234A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水系统有限公司 | Low-resistance zero-pressure sealing rubber flap valve checking device |
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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: 20140910 |