CN102829200A - Rubber sluice valve - Google Patents
Rubber sluice valve Download PDFInfo
- Publication number
- CN102829200A CN102829200A CN 201210335613 CN201210335613A CN102829200A CN 102829200 A CN102829200 A CN 102829200A CN 201210335613 CN201210335613 CN 201210335613 CN 201210335613 A CN201210335613 A CN 201210335613A CN 102829200 A CN102829200 A CN 102829200A
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- China
- Prior art keywords
- rubber
- flashboard
- cell body
- guiding cell
- chute
- 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.)
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- Check Valves (AREA)
Abstract
The invention discloses a rubber sluice valve which comprises a rubber flashboard and a valve body. The valve body is internally provided with a cavity for accommodating the rubber flashboard. Two protruding guide rails are symmetrically arranged on the inner wall of the cavity. The rubber flashboard comprises a flashboard body, a guiding groove body and a rubber layer. First grooves are symmetrically arranged on the left and right sides of the flashboard body. Sliding grooves are arranged on the upper surface of the guiding groove body. A bump is arranged in the middle part on the lower surface of the guiding groove body. Limiting bars are uniformly arranged along the outer surface of the guiding groove body on both sides of the bump. The first grooves are internally provided with the guiding groove bodies. The bottoms of the limiting bars are contacted with the bottoms of the first grooves. The bump is arranged in the groove at the bottoms of the first grooves. The rubber layer wraps the flashboard body and the guiding groove bodies. The rubber flashboard is arranged in the cavity on the valve body. Meanwhile, the guide rails are respectively inserted into the sliding grooves. Moving gaps are arranged at the bottoms of the guide rails and the sliding grooves. The service life of the rubber sluice valve is long.
Description
Technical field
The present invention relates to the improved rubber gate valve of a kind of improvement of rubber gate valve, particularly a kind of long service life.
Background technique
At present, adopt the rubber gate valve of elastic packing mode, comprise rubber flashboard, valve body; Be provided with the cavity that holds the rubber flashboard in the said valve body; Be provided with two protruding guide rails on the inboard of the inwall of said cavity and the outside symmetrically; Said rubber flashboard comprises the flashboard main body; Said flashboard main body is processed by cast iron; The left and right sides of said flashboard main body is provided with strip groove symmetrically; The outer wall of said flashboard main body is enclosed with one deck rubber layer; Said strip groove is bonding with the plastics guiding groove by rubber layer parcel back; Said rubber flashboard is arranged in the cavity on the valve body, and simultaneously, guide rail inserts in the guiding groove respectively; The working mechanism rubber flashboard of above-mentioned rubber gate valve two guide rails along about the valve body move up and down, thereby realize unlatching, the current limliting of convection cell and close; Said rubber layer plays the effect of elastic packing and the corrosion of protection foundry goods; Existing rubber gate valve, guiding groove directly contacts with guide rail and moves up and down along guide rail, causes the damage of rubber layer easily, thereby influences the elastic packing performance and the protection foundry goods corrosivity of rubber layer, and working life is short.
Summary of the invention
The present invention seeks to have proposed a kind of improved rubber gate valve of long service life for the deficiency that overcomes existing technology.
For achieving the above object, the technological scheme that the present invention adopts is: a kind of rubber gate valve comprises rubber flashboard, valve body; Be provided with the cavity that holds the rubber flashboard in the said valve body; Be provided with two protruding guide rails on the inwall of said cavity symmetrically; Said rubber flashboard comprises flashboard main body, guiding cell body, rubber layer; The left and right sides of said flashboard main body is provided with first groove symmetrically; Said guiding cell body, the upper surface of said guiding cell body is provided with chute; Middle part on the lower surface of said guiding cell body is provided with projection; The both sides of said projection are provided with positive stop strip along the outer surface of guiding cell body; Be provided with the guiding cell body in said first groove; The bottom of said positive stop strip contacts with the bottom of first groove; Said projection is arranged in the groove of bottom of first groove; Said rubber layer wraps flashboard main body and guiding cell body; Said rubber flashboard is arranged in the cavity of valve body, and simultaneously, guide rail inserts in the chute respectively; The bottom of said guide rail and chute is provided with movement clearance.
Preferably, the inwall of said chute is not wrapped up by rubber layer.
Preferably, the width of the movement clearance between the bottom of said guide rail and chute is 20～50% of a rubber seal position decrement design load.
Preferably, said positive stop strip is a triangle.
Preferably, the width of said positive stop strip be 1-3mm, highly for 0.5-2mm.
Preferably, said guiding cell body is made of plastics.
Preferably, the contacting point between said guiding cell body and the flashboard main body is provided with bonding layer.
Because the utilization of technique scheme, the present invention compared with prior art has advantage:
Rubber gate valve of the present invention; Said rubber flashboard comprises flashboard main body, guiding cell body, rubber layer; In first groove that the left and right sides that said guiding cell body is arranged on said flashboard main body is provided with symmetrically; Said rubber layer wraps flashboard main body, guiding cell body, except that the chute inwall; When the rubber flashboard inserted in the cavity of valve body, the chute of said guiding cell body inserted in the guide rail; Said guiding cell body adopts nylon or highstrenghtpistons such as polycarbonate (PC) or acetal resin to process, and has the advantage of high tenacity and low surface friction drag, when chute when guide rail slides, the guiding cell body is difficult for damaging; Further, the bottom of said guide rail and chute is provided with movement clearance; The width of the movement clearance between the bottom of said guide rail and chute is 20～50% of a rubber seal position decrement design load; When the rubber flashboard bears nominal pressure to sealing when putting in place, then share pressure-bearing with guide rail, both reduced the operation moment of torsion, can protect again to seal the position, increase the service life by the guiding cell body.
Description of drawings
Below in conjunction with accompanying drawing technological scheme of the present invention is described further:
Accompanying drawing 2 is the enlarged view of A portion in the accompanying drawing 1;
Accompanying drawing 3 is the enlarged view of the plan view of the guiding groove in the rubber gate valve of the present invention;
Accompanying drawing 4 is the A-A sectional view in the accompanying drawing 3;
Accompanying drawing 5 is the enlarged view of the plan view of the guide sleeve in the rubber gate valve of the present invention;
Accompanying drawing 6 is the enlarged view that partly cuts open figure of the plan view of the rubber flashboard in the rubber gate valve of the present invention;
Accompanying drawing 7 is the enlarged view of partial sectional view of the plan view of the rubber flashboard in the rubber gate valve of the present invention;
Wherein: 1, valve body; 2, valve pocket; 3, rubber flashboard; 4, guide rail; 5, flashboard main body; 6, rubber layer; 7, first groove; 8, guiding cell body; 9, chute; 10, projection; 11, positive stop strip.
Embodiment
Be depicted as a kind of rubber gate valve of the present invention like accompanying drawing 1-7, comprise rubber flashboard 3, valve body 1; Be provided with the cavity 2 that holds the rubber flashboard in the said valve body 1; Be provided with two protruding guide rails 4 on the inwall of said cavity 2 symmetrically; Said rubber flashboard 3 comprises flashboard main body 5, guiding cell body 8, rubber layer 6; The left and right sides of said flashboard main body 5 is provided with first groove 7 symmetrically; Said guiding cell body 8, the upper surface of said guiding cell body 8 is provided with chute 9; Middle part on the lower surface of said guiding cell body 8 is provided with projection 10; The both sides of said projection 10 are provided with positive stop strip 11 along the outer surface of guiding cell body 8; Said positive stop strip 11 is the isoceles triangle shape; The width of said positive stop strip 11 is 2mm, highly for 1mm; Be provided with guiding cell body 8 in said first groove 7; The bottom of said positive stop strip 11 contacts with the bottom of first groove 7; Said projection 10 is arranged in the groove of bottom of first groove 7; Said rubber layer 6 wraps flashboard main body 5 and guiding cell body 8, and fills the space between full first groove 7 and the guiding cell body 8; The inwall of said chute 9 is not wrapped up by rubber layer; The upper end portion of the said guiding cell body 8 of said rubber layer 6 wrapping portions, and the thickness of the rubber layer 6 of this part is Q, Q is no less than 2mm; The end of rubber layer 6 of the said upper end portion that is arranged on guiding cell body 8 is parallel with the chute inwall, and distance between the two is X, and X is no less than 0.3mm, guaranteeing having only chute 9 contact with guide rail 4, thus reduction surface friction drag and move moment of torsion; Said rubber flashboard 3 is arranged in the cavity 2 on the valve body 1, and simultaneously, guide rail 4 inserts respectively in the chute 9; Said guide rail 4 is provided with movement clearance with the bottom of chute 9; The width N of the movement clearance between the bottom of said guide rail 4 and chute 9 is 30% of a rubber seal position decrement design load; When rubber flashboard 3 bears nominal pressure to sealing when putting in place, then share pressure-bearing with guide rail 4, both reduced the operation moment of torsion, can protect the sealing position again, increase the service life by guiding cell body 8.Said guiding cell body 8 is processed by the highstrenghtpiston, and said highstrenghtpiston has the plastics of similar performance for nylon or polycarbonate (PC) or acetal resin or other; Contacting point between said guiding cell body 8 and the flashboard main body 5 is provided with the bonding layer (not shown).
Rubber gate valve of the present invention; Said rubber flashboard comprises flashboard main body, guiding cell body, rubber layer; In first groove that the left and right sides that said guiding cell body is arranged on said flashboard main body is provided with symmetrically; Said rubber layer wraps flashboard main body, guiding cell body, except that the chute inwall; When the rubber flashboard inserted in the cavity of valve body, the chute of said guiding cell body inserted in the guide rail; Said guiding cell body adopts nylon or highstrenghtpistons such as polycarbonate (PC) or acetal resin to process, and has high tenacity and low surface friction drag advantage, when chute when guide rail slides, the guiding cell body is difficult for damaging; Further, the bottom of said guide rail and chute is provided with movement clearance; The width of the movement clearance between the bottom of said guide rail and chute is 20～50% of a rubber seal position decrement design load; When the rubber flashboard bears nominal pressure to sealing when putting in place, then share pressure-bearing with guide rail, both reduced the operation moment of torsion, can protect again to seal the position, increase the service life by the guiding cell body.
The foregoing description only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the personage that is familiar with this technology can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (7)
1. a rubber gate valve comprises rubber flashboard, valve body; Be provided with the cavity that holds the rubber flashboard in the said valve body; Be provided with two protruding guide rails on the inwall of said cavity symmetrically; Said rubber flashboard is characterized in that: comprise flashboard main body, guiding cell body, rubber layer; The left and right sides of said flashboard main body is provided with first groove symmetrically; Said guiding cell body, the upper surface of said guiding cell body is provided with chute; Middle part on the lower surface of said guiding cell body is provided with projection; The both sides of said projection are provided with positive stop strip along the outer surface of guiding cell body; Be provided with the guiding cell body in said first groove; The bottom of said positive stop strip contacts with the bottom of first groove; Said projection is arranged in the groove of bottom of first groove; Said rubber layer wraps flashboard main body and guiding cell body; Said rubber flashboard is arranged in the cavity on the valve body, and simultaneously, guide rail inserts in the chute respectively; The bottom of said guide rail and chute is provided with movement clearance.
2. rubber gate valve according to claim 1 is characterized in that: the inwall of said chute is not wrapped up by rubber layer.
3. rubber gate valve according to claim 1 and 2 is characterized in that: the movement clearance between the bottom of said guide rail and chute is 20～50% of a rubber seal position decrement design load.
4. rubber gate valve according to claim 1 is characterized in that: said positive stop strip is a triangle.
5. rubber gate valve according to claim 4 is characterized in that: the width of said positive stop strip is 1-3mm, highly for 0.5-2mm.
6. according to claim 1 or 2 or 4 or 5 described rubber gate valves, it is characterized in that: said guiding cell body is made of plastics.
7. according to claim 1 or 2 or 4 or 5 described rubber gate valves, it is characterized in that: the contacting point between said guiding cell body and the flashboard main body is provided with bonding layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210335613 CN102829200A (en) | 2012-09-13 | 2012-09-13 | Rubber sluice valve |
| CN2012105861489A CN103016772A (en) | 2012-09-13 | 2012-12-31 | Rubber gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210335613 CN102829200A (en) | 2012-09-13 | 2012-09-13 | Rubber sluice valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102829200A true CN102829200A (en) | 2012-12-19 |
Family
ID=47332436
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210335613 Pending CN102829200A (en) | 2012-09-13 | 2012-09-13 | Rubber sluice valve |
| CN2012105861489A Pending CN103016772A (en) | 2012-09-13 | 2012-12-31 | Rubber gate valve |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105861489A Pending CN103016772A (en) | 2012-09-13 | 2012-12-31 | Rubber gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102829200A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838150A (en) * | 2022-05-20 | 2022-08-02 | 凯斯通阀门有限公司 | Elastic fireproof sealing high-pressure flat gate valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4532957A (en) * | 1983-06-24 | 1985-08-06 | United States Pipe And Foundry Company | Guides for gate valves |
| DK161781C (en) * | 1989-06-19 | 1992-01-20 | Avk Maskinfab | LOCK VALVE AND PROCEDURE FOR PREPARING A RELEVANT SHOOTER |
| GB0018222D0 (en) * | 2000-07-26 | 2000-09-13 | Market Linc Holdings Ltd | Valves |
| CN200946681Y (en) * | 2006-07-27 | 2007-09-12 | 武汉大禹阀门制造有限公司 | Gate valve flashboard with guide rail |
| CN102109044B (en) * | 2009-12-24 | 2015-06-17 | 泰科龙(上海)管道有限公司 | Non-rising stem gate valve |
| CN202852020U (en) * | 2012-09-13 | 2013-04-03 | 许宏伟 | Rubber sluice valve |
-
2012
- 2012-09-13 CN CN 201210335613 patent/CN102829200A/en active Pending
- 2012-12-31 CN CN2012105861489A patent/CN103016772A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838150A (en) * | 2022-05-20 | 2022-08-02 | 凯斯通阀门有限公司 | Elastic fireproof sealing high-pressure flat gate valve |
| CN114838150B (en) * | 2022-05-20 | 2022-11-18 | 凯斯通阀门有限公司 | Elastic fireproof sealing high-pressure flat gate valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103016772A (en) | 2013-04-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121219 |