CN102261463A - Long-life rubber diaphragm - Google Patents
Long-life rubber diaphragm Download PDFInfo
- Publication number
- CN102261463A CN102261463A CN2010101853357A CN201010185335A CN102261463A CN 102261463 A CN102261463 A CN 102261463A CN 2010101853357 A CN2010101853357 A CN 2010101853357A CN 201010185335 A CN201010185335 A CN 201010185335A CN 102261463 A CN102261463 A CN 102261463A
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- barrier film
- rubber
- screw
- thickness
- 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.)
- Granted
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 63
- 239000005060 rubber Substances 0.000 title claims abstract description 63
- 238000005470 impregnation Methods 0.000 claims abstract description 33
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 230000004888 barrier function Effects 0.000 claims description 46
- 239000004952 Polyamide Substances 0.000 claims description 27
- 239000000835 fiber Substances 0.000 claims description 27
- 229920002647 polyamide Polymers 0.000 claims description 27
- 238000004073 vulcanization Methods 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 abstract 3
- 229920001778 nylon Polymers 0.000 abstract 3
- 239000012528 membrane Substances 0.000 description 6
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
Images
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- Moulding By Coating Moulds (AREA)
- Diaphragms And Bellows (AREA)
Abstract
The invention relates to parts of valves. A long-life rubber diaphragm consists of a diaphragm and a diaphragm screw, and is characterized in that: the diaphragm is laminated by nine to thirteen rubber plates and three to four pieces of impregnation nylon mesh cloth according to the shape and dimension of the diaphragm, wherein five to eight rubber plates and one piece of impregnation nylon mesh cloth are positioned below the screw head of the diaphragm screw; and the other rubber plates and impregnation nylon mesh cloth pass through a screw rod part of the diaphragm, are laminated above the screw head and are vulcanized through mold pressing. The technical problem that the conventional rubber diaphragm has short service life is solved.
Description
Technical field:
The invention relates to the component of valve, particularly about the diaphragm of rubber of membrane valve.
Background technique:
Diaphragm of rubber is the key components and parts of membrane valve, it links to each other with stem bottom with the barrier film screw 1 that is embedded in boss place, diaphragm 2 middle part, the edge of diaphragm 2 is clamped between valve gap and the valve seat junction surface, and move up and down with valve rod and to produce as the complications distortion of Fig. 1 and Fig. 2, with unlatching or throttle down.Existing barrier film is formed through molded vulcanization by a monoblock synthetic rubber plate, and its anti-tortuous fatigue and compressive strength are not high, rupture easily, influence working life.Therefore, at present the diaphragm of rubber of being made by monoblock synthetic rubber plate is short working life, and generally about 4000～5000 times, this brings inconvenience in the maintenance just for the user of use membrane valve.
Summary of the invention:
The object of the present invention is to provide a kind of long-lived diaphragm of rubber, solve present diaphragm of rubber short technical problem in working life.
The technological scheme that the present invention solves the problems of the technologies described above is:
A kind of long-lived diaphragm of rubber, form by diaphragm and barrier film screw, it is characterized in that: this diaphragm is superimposed by the shape and size of barrier film by 9～13 sheet rubbers and 3～4 impregnation brocade wheel screen cloths, wherein 5～8 rubber plates and the 1 continuous wheel of impregnation screen cloth are positioned at below the ailhead of barrier film screw, all the other rubber plates and impregnation brocade wheel cloth pass through barrier film screw rod portion and are stacked and placed on the ailhead top, then through molded vulcanization.
Long-lived diaphragm of rubber of the present invention carries out layering because the sheet rubbers of different sizes of use and thickness are the same with impregnation polyamide fibre screen cloth rubber system automobile tire with their shapes by barrier film in mould, stacked postcure, not only increased the toughness of diaphragm of rubber, easy-rupturing not, improved intensity again, the barrier film screw can not be drawn out or press and wear, and through checking its anti-tortuous fatigue life greater than 40000 times, is life-span of existing barrier film 4000 times more than 10 times.
Description of drawings:
Fig. 1 is the membrane shape sectional view.
Fig. 2 is the deformation state of barrier film when closing.
Fig. 3～Fig. 5 is several collapsed configuration signals of rubber plate, impregnation polyamide fibre screen cloth sheet and the barrier film screw of barrier film of the present invention.
Among the figure:
---expression rubber plate------expression impregnation polyamide fibre screen cloth.
Embodiment:
Long-lived diaphragm of rubber of the present invention is made up of diaphragm and barrier film screw, and this diaphragm is superposeed after the molded vulcanization shaping by the impregnation polyamide fibre screen cloth of the rubber plate of nine to 13 different sizes and thickness and two to the four different sizes shape and size according to barrier film.Now in the name of valve directly is example and the invention will be further described in conjunction with the accompanying drawings for 35a (a is the barrier film screw diameter).
Present embodiment is to be superposeed after molded vulcanization forms by barrier film shape with to shape by the impregnation polyamide fibre screen cloth of the rubber plate of 13 different sizes (a) and thickness (δ), four different sizes (a) and barrier film screw.With the barrier film screw is the boundary, and wherein eight rubber plates and a slice impregnation polyamide fibre screen cloth are positioned at barrier film screw head below, and five rubber plates and three impregnation polyamide fibre screen cloths are positioned at barrier film screw ailhead top.Fig. 3 is the signal of this rubber plate, impregnation polyamide fibre screen cloth and the stack of barrier film screw:
1. at first in mould, put into the rubber plate of five overall dimensionss (35a) thickness for (1 δ);
2. stack time small size (9～12a) thickness are the rubber plate a slice of (1.6 δ) in the center portion of above-mentioned five rubber plates;
3. the impregnation polyamide fibre screen cloth of a slice overall dimensions (35a) that superposes successively above above-mentioned 1～2 described stack thing and a slice overall dimensions (35a) thickness are the rubber plate of (1 δ);
4. the center portion superposes on 1～3 stack thing, and (9～12a) thickness are the rubber plate of (1.6 δ) to a slice time small size;
5. the barrier film screw is placed in the center portion on 4 described stack things, and this barrier film screw ailhead down;
6. successively the center had the minimum dimension that diameter is the through hole of a (6～8a) impregnation polyamide fibre screen cloth, inferior small size (the rubber plate of 9～12a) thickness (1.6 δ), inferior small size (9～12a) impregnation polyamide fibre screen cloth, (15～18a) thickness are the rubber plate of (1 δ) to intermediate sizes, inferior large scale (20～23a) impregnation polyamide fibre screen cloth, (6～8a) thickness are the rubber plate of (2.4 δ) to minimum dimension, inferior large scale (20～23a) and overall dimensions (35a) the thickness nail bar that passes the barrier film screw for each a slice of rubber plate of (1 δ) superimposed on ailhead and 1～4 described stack thing.
The long-lived barrier film of present embodiment is the rubber plate by nine different sizes (a) and thickness (δ), and three impregnation polyamide fibre screen cloths and barrier film screw superpose after the barrier film that molded vulcanization forms by membrane shape and size.Wherein six rubber plates and a slice impregnation polyamide fibre screen cloth are positioned at barrier film screw below.
Fig. 4 is the signal of rubber plate, impregnation polyamide fibre screen cloth and the stack of barrier film screw of this barrier film:
1. at first put into the rubber plate of three overall dimensionss (35a) thickness for (1 δ) at mold bottom;
2. stack time small size (rubber plate a slice of 9～12a) thickness (1.6 δ) in the center portion of above-mentioned three rubber plates;
3. the impregnation polyamide fibre screen cloth of a slice overall dimensions (35a) that upwards superposes successively above above-mentioned 1～2 described stack thing and a slice overall dimensions (35a) thickness are the rubber plate of (1 δ);
4. the center portion superposes on 3 described stack things, and (9～12a), thickness is the rubber plate of (1.8 δ) to a slice time small size;
5. place the barrier film screw in the center portion of 4 described stack things, the nail bar of this barrier film screw up;
6. ((((the nail bar that 20～23a) impregnation polyamide fibre screen cloth, maximum cun (35a) thickness pass the barrier film screw for each a slice of rubber plate of (1 δ) is superimposed on ailhead and 1～4 described stack thing for the rubber plate of (1.6 δ), inferior large scale for 15～18a) thickness for rubber plate, the intermediate sizes of (2.4 δ) for 9～12a) thickness for 6～8a) impregnation polyamide fibre screen cloth, inferior small size successively the center to be had the aperture and be a, minimum dimension.
Embodiment 3
The long-lived barrier film of present embodiment is made through sulfuration for being superposeed in mould by membrane shape and size by the rubber plate of different sizes of ten a slices and thickness, three impregnation polyamide fibre screen cloths and barrier film screw, and wherein rubber plate and a slice impregnation polyamide fibre screen cloth of five different boundary dimension and thickness are positioned at below the barrier film screw.Consult shown in Figure 5ly, it is as follows that the rubber plate of this barrier film, impregnation polyamide fibre screen cloth and barrier film screw are pressed the shape and size stack of barrier film:
1. at first put into the rubber plate of four overall dimensionss (35a) thickness for (1 δ) at mold bottom;
2. stack time small size (9～12a) thickness are the rubber plate a slice of (1.7 δ) in the center portion of above-mentioned 1 described stack thing;
3. the impregnation polyamide fibre screen cloth of a slice overall dimensions (35a) that upwards superposes successively above above-mentioned 1～2 described stack thing and a slice overall dimensions (3a) and thickness are the sheet rubber of (1 δ);
4. superposeing on 3 described stack things, (9～12a) thickness are the rubber plate of (1.7 δ) to a slice time small size;
5. place the barrier film screw in the center portion of 4 described stack things, the nail bar of this barrier film screw up;
6. successively the center had the inferior small size that diameter is the through hole of a (9～12a) impregnation polyamide fibre screen cloth, (15～18a) thickness are the rubber plate of (1 δ) to intermediate sizes, inferior large scale (20～23a) impregnation polyamide fibre screen cloth, (6～8a) thickness are the rubber plate of (2.4 δ) to minimum dimension, (20～23a) thickness are the rubber plate of (1.6 δ) to inferior large scale, the nail bar that overall dimensions (35a) thickness passes the barrier film screw for each a slice of rubber plate of (1 δ) is superimposed on ailhead and 1～4 described stack thing.
Claims (1)
1. long-lived diaphragm of rubber, form by diaphragm and barrier film screw, it is characterized in that: this diaphragm is superimposed by the shape and size of barrier film by nine to 13 rubber plates and three to four impregnation polyamide fibre screen cloths, wherein five to eight rubber plates and a slice impregnation polyamide fibre screen cloth are positioned at the ailhead below of barrier film screw, all the other rubber plates and impregnation polyamide fibre screen cloth pass through barrier film screw rod portion and are stacked and placed on the ailhead top, then through molded vulcanization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010185335.7A CN102261463B (en) | 2010-05-26 | 2010-05-26 | Long-life rubber diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010185335.7A CN102261463B (en) | 2010-05-26 | 2010-05-26 | Long-life rubber diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102261463A true CN102261463A (en) | 2011-11-30 |
| CN102261463B CN102261463B (en) | 2015-06-24 |
Family
ID=45008228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010185335.7A Active CN102261463B (en) | 2010-05-26 | 2010-05-26 | Long-life rubber diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102261463B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04165163A (en) * | 1990-10-30 | 1992-06-10 | Toyo Tire & Rubber Co Ltd | Diapharagm valve |
| JPH04296253A (en) * | 1991-03-22 | 1992-10-20 | Tokai Rubber Ind Ltd | Manufacture of diaphragm |
| JPH0868401A (en) * | 1994-05-23 | 1996-03-12 | Nok Corp | Manufacture of bladder for accumulator |
| CN2299737Y (en) * | 1997-06-04 | 1998-12-09 | 蓝春福 | Motorcycle safety tire with improved structure |
| JP2003130219A (en) * | 2001-10-29 | 2003-05-08 | Fujikura Rubber Ltd | Manufacturing method for diaphragm |
| CN1634702A (en) * | 2003-12-26 | 2005-07-06 | 上海华向橡胶制品有限公司 | Method for manufacturing rubber diaphragm for diaphragm pump |
| CN2848970Y (en) * | 2005-06-17 | 2006-12-20 | 上海澳柯林水暖器材有限公司 | Multilayer composite diaphram piston type valve core structure of flushing valve |
-
2010
- 2010-05-26 CN CN201010185335.7A patent/CN102261463B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04165163A (en) * | 1990-10-30 | 1992-06-10 | Toyo Tire & Rubber Co Ltd | Diapharagm valve |
| JPH04296253A (en) * | 1991-03-22 | 1992-10-20 | Tokai Rubber Ind Ltd | Manufacture of diaphragm |
| JPH0868401A (en) * | 1994-05-23 | 1996-03-12 | Nok Corp | Manufacture of bladder for accumulator |
| CN2299737Y (en) * | 1997-06-04 | 1998-12-09 | 蓝春福 | Motorcycle safety tire with improved structure |
| JP2003130219A (en) * | 2001-10-29 | 2003-05-08 | Fujikura Rubber Ltd | Manufacturing method for diaphragm |
| CN1634702A (en) * | 2003-12-26 | 2005-07-06 | 上海华向橡胶制品有限公司 | Method for manufacturing rubber diaphragm for diaphragm pump |
| CN2848970Y (en) * | 2005-06-17 | 2006-12-20 | 上海澳柯林水暖器材有限公司 | Multilayer composite diaphram piston type valve core structure of flushing valve |
Non-Patent Citations (4)
| Title |
|---|
| 姬锦雯: "国内外汽车制动气室橡胶隔膜的比较", 《橡胶工业》 * |
| 徐金祥: "隔膜泵用橡胶膜片的研制", 《特种橡胶制品》 * |
| 李振环等: "平衡零位调节阀隔膜的研制", 《流体机械》 * |
| 马清林等: "锦纶66浸胶同性布在橡胶隔膜中的应用", 《橡胶工业》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102261463B (en) | 2015-06-24 |
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Address after: 201823 Shanghai Bao Qian Road, Lane 5888, Lane 8, No. Patentee after: Shanghai nuclear valve Limited by Share Ltd Address before: 201823 Shanghai Bao Qian Road, Lane 5888, Lane 8, No. Patentee before: Shanghai EHO Valve Manufacturing Co.,Ltd. |