CN103216671A - Seal valve gum cover for direct-acting valve - Google Patents
Seal valve gum cover for direct-acting valve Download PDFInfo
- Publication number
- CN103216671A CN103216671A CN2013101545896A CN201310154589A CN103216671A CN 103216671 A CN103216671 A CN 103216671A CN 2013101545896 A CN2013101545896 A CN 2013101545896A CN 201310154589 A CN201310154589 A CN 201310154589A CN 103216671 A CN103216671 A CN 103216671A
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- Prior art keywords
- gum cover
- valve
- direct
- seal valve
- seal
- 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 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000004677 Nylon Substances 0.000 claims abstract description 5
- 229920001778 nylon Polymers 0.000 claims abstract description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 4
- 210000003205 muscle Anatomy 0.000 claims description 11
- 229920004933 Terylene® Polymers 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 abstract description 2
- 229920004934 Dacron® Polymers 0.000 abstract 1
- 210000004907 gland Anatomy 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000005987 sulfurization reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The invention relates to a seal valve gum cover for a direct-acting valve. The seal valve gum cover for the direct-acting valve comprises a gum cover body which is in a pyramidal shape. A net-shaped inner rib is lined inside the gum cover body. The gum cover body is made of rubber materials. The inner rib is made of fiber materials such as dacron and nylon or rigid metal wires. Transverse ribs of the net-shaped inner rib have flexibility and are arranged among longitudinal ribs in a staggered mode. A layer of the net-shaped inner rib is lined on a film face of the seal valve gum cover, the transverse ribs of the net-shaped inner rib can be flexible in a limited mode, the longitudinal ribs of the net-shaped inner rib can not be flexible, the longitudinal tension force of the seal valve gum cover is increased, longitudinal mechanical tension force intensity is improved, the longitudinal bearing pressure of the seal valve gum cover in the direct-acting valve is increased greatly, and at the same time, the transverse ribs of the seal valve gum cover can be flexible in the free limited mode. The pyramidal seal valve gun cover can reduce an annular interval face between a protrusive loop and a valve rod, and accordingly the bearing pressure of the annular interval face can be reduced. Not only is corresponding tightness on the edge of periphery surface of a valve opening of the valve rod ensured, but also convenience in production and assembly can be ensured.
Description
Technical field
The present invention relates to a kind of valve of using in the fluid pipeline, be specifically related to a kind of direct-acting type valve parts of (or claiming gum cover formula valve) that are used for.
Background technique
Existing valve, its spool all is limited by the influence of hydraulic pressure or air pressure, and water or atmospheric pressure are big more, and the water that spool bore or the pressure of gas are also just big more, thus the resistance that makes spool open or close also can correspondingly increase.So the applied force amount also can be very big when opening or closing.This just causes the wearing and tearing aggravation of spool and causes leakage, and shorten working life.
Chinese patent CN1012696736A, a kind of valve is disclosed, comprise valve body, valve rod, inlet opening and delivery outlet, described valve rod is a hollow article, cloth through hole on the valve rod is established stuffing box gland between valve rod and the upper limit ring, and the stuffing box gland upper edge is fixed on the valve rod, the stuffing box gland lower edge is fixed on inwall on the valve body, and the upper limit ring is connected to valve body top; Establish valve pocket between valve rod and the lower limit ring, the valve pocket upper edge is fixed on the valve rod, and the valve pocket lower edge is fixed on inwall under the valve body, and the lower limit ring is connected to valve body lower portion; Forming cavity between stuffing box gland and the valve pocket is connected with described inlet opening.According to the product of the technological scheme made of this patent in actual applications, unusual anti-wear characteristics and preeminent sealability have been shown, especially in the integrated application of solar water heater low pressure water control valve door, have very high work and control sensitivity and well stable, tubular valve gum cover wherein also possesses simultaneously from the swabbing dirt function of moving, and has shown remarkable effect and characteristic in the low voltage control valve.But for the control of high-pressure fluid medium valve and the application in the Super high pressure valve, it is unable to do what one wishes but to seem, is difficult to be competent at.Mainly still the high pressure strength of sealed member rubber tubular valve pocket and stuffing box gland is little for this, though improving rubber hardness also can limited increase mechanical strength, and the unidirectional gap bearing area that reduces rubber seal by the internal diameter that dwindles limited ring as far as possible obtains weakening rubber seal bearing capacity purpose, but it generally is only applicable to use in the lower scope of fluid medium pressure, in actual applications, under the influence of or water hammer pressure big in tap water pressure fluctuation, rubber packing material local gap face easily expands and becomes book even burst, vertical bearing capacity of rubber tubular valve pocket is low, thereby causes the lost of life of valve.In addition, the assembling of this rubber tubular valve pocket also need be fixed by limited ring.
Summary of the invention
At the problems referred to above, the object of the present invention is to provide a kind of seal valve gum cover that is used for the direct-acting type valve,
It can strengthen vertical bearing capacity of seal valve gum cover effectively; Can be convenient to again install; Also can guarantee sealing to the valve rod valve opening; Simultaneously that the keying resistance drop of valve is extremely minimum; And the resistance in the time of can also maintained switch is tending towards constant; Make the valve rod can the to-and-fro motion of smooth-going ground.
The technological scheme that the present invention is taked for its purpose of realization: a kind of seal valve gum cover that is used for the direct-acting type valve, comprise the gum cover body, described gum cover body is cone-shape, is lined with the netted interior muscle that is made of horizontal bar and longitudinal rib in it.
Described gum cover body adopts rubber material to make, and described netted interior muscle adopts terylene, nylon or rigid metal silk to make.
The horizontal bar of described netted interior muscle has stretchability, and the length of described longitudinal rib is a certain amount of.
Described horizontal bar is staggeredly arranged and constitutes grid between longitudinal rib, or the grid that constitutes between longitudinal rib and the horizontal bar assumes diamond in shape, circle.
The inboard upper and lower end periphery of described gum cover body is provided with the bulge loop that is connected as a single entity with it.
As shown from the above technical solution, in the face of seal valve gum cover of the present invention, lining one deck laterally can limitedly stretch, and the netted interior muscle that vertical (valve rod vibration-direction during valve opening and closing) can not stretch, increase the longitudinal pulling force of seal valve gum cover and improved vertical mechanical tension strength, what significantly increased seal valve gum cover in the direct-acting type valve vertically bears pressure, the simultaneously this seal valve gum cover that laterally can limitedly freely stretch again.The seal valve gum cover of cone-shape can dwindle the annular gap face between bulge loop and the valve rod, can guarantee the corresponding sealing of valve rod valve opening surrounded surface outer rim, the convenience in the time of can guaranteeing again to produce assembling.Range of working pressure of the present invention is very wide, can work in zero-pressure, low pressure, high pressure ultrahigh pressure state even, and the resistance of exerting pressure of the keying during valve switch do not influence by pressure medium, and is constant and little and constant all the time.It is minimum to wear and tear, and sealing but can be fabulous.The frequency of okperation height can be applicable to that the electromagnetism that is exceedingly fast opens and closes, and the impacting with high pressure of anti-the crest, and switch is smooth-going, light, flexible, working stability.
Description of drawings
The present invention is described in more detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of seal valve gum cover of the present invention.
Fig. 2 is the user mode figure of the present invention in the direct-acting type valve.
Embodiment
As shown in Figure 1, seal valve gum cover 1 of the present invention is cone-shape, promptly one is lined with netted interior muscle 11 for heavy caliber, other end are small-bore tubaeform rubber sealing boot in the gum cover body, and the inboard upper and lower end periphery of gum cover body is provided with the bulge loop 12 that is connected as a single entity with it.The gum cover body adopts rubber material to make (as silicone rubber, fluorine rubber etc.), and netted interior muscle adopts terylene, nylon or rigid metal silk to make.The horizontal bar 112 of muscle has certain stretchability in netted, and is staggeredly arranged between longitudinal rib 111.And the length of longitudinal rib (valve rod vibration-direction during valve opening and closing) is a certain amount of, can not stretch.When the present invention works in the direct-acting type valve, have only constant varicose resistance, switch resistance minimum does not have the overlapping covering friction of elasticity, as shown in Figure 2.And existing tubular stuffing box gland not only has the varicose resistance, and has the overlapping covering friction of certain elasticity simultaneously, and is this by tubular valve that stuffing box gland constitutes, and under pressure was made in odd-job, the overlapping covering friction of its elasticity was especially remarkable especially.Therefore characteristics of the present invention are: in the direct-acting valve door, only produce the varicose resistance, do not have the overlapping covering friction of elasticity, valve working opens and closes resistance evenly, steadily.So the present invention is in the direct-acting type valve, it is exerted pressure and opens and closes the varicose resistance sum that resistance equals two seal valve gum covers.
As shown in Figure 2, be installed on the valve two sections when the present invention uses, the bulge loop 12 of the less end of seal valve gum cover 1 medium caliber embeds valve rod, and the bulge loop 12 of the bigger end of bore embeds valve interior wall.The seal valve gum cover of cone-shape can dwindle the annular gap face between bulge loop and the valve rod, formation is to the transverse compression of seal valve gum cover 1 gap varicose face, can prevent effectively that the direct-acting valve door is prone to poorly sealed seepage phenomenon when pressure medium goes to zero, itself and corresponding valve rod surrounded surface are closely covered, and then present sealability well.The netted interior muscle 11 of liner, it laterally can limitedly stretch, and vertically (valve rod vibration-direction during valve opening and closing) can not stretch, increase its longitudinal pulling force and improved vertical mechanical tension strength, what significantly increased seal valve gum cover in the direct-acting type valve vertically bears pressure, the simultaneously this seal valve gum cover that laterally can limitedly freely stretch again can guarantee the corresponding sealing of valve rod valve opening surrounded surface outer rim, the convenience in the time of can guaranteeing again to produce assembling.
Material of the present invention both can form impregnation, mold pressing and sulfuration then through mold pressing by fiber material or nylon.Perhaps utilize existing material: for example with terylene elastic ribbon commercially available, that possess certain width, perpendicular to draw direction, be cut into the trapezoidal of 1/3rd loudspeaker covers girth, again three trapezoidal weave cloth forwards are sewed up side by side, and then form big, a little tubaeform woven sleeve in other end, gluing then, mold pressing and sulfuration.Also can make up by special process and form by resistant to bending rigidity wire, but make in any case, behind these are tubaeform vertical lacing wire net forming, must meet following condition: landscape surface will guarantee pulling and flexible, longitudinal surface not only requires to draw motionless, more mustn't have flexible.Carry out impregnation or clay brushing afterwards, put into the pressing mold compression then again through the sulfuration typing.
By the direct-acting type valve that the present invention is assembled into, range of working pressure is very wide, can work in zero-pressure, low pressure, high pressure ultrahigh pressure state even, and the resistance of exerting pressure of the keying during valve switch do not influence by pressure medium, and is constant and little and constant all the time.When the present invention worked in the direct-acting valve door, it was minimum to wear and tear, and sealing but can be fabulous.The frequency of okperation height can be applicable to that the electromagnetism that is exceedingly fast opens and closes, and the impacting with high pressure of anti-the crest, and switch is smooth-going, light, flexible, and it is highly stable to work.
Above-mentioned only is embodiments of the invention, and to one skilled in the art, the present invention has multiple change and variation.Allly within invention thought of the present invention and principle, make any modification, be equal to replacement, improve etc., all should be included within protection scope of the present invention.
Claims (5)
1. a seal valve gum cover that is used for the direct-acting type valve comprises the gum cover body, it is characterized in that: described gum cover body is cone-shape, is lined with the netted interior muscle that is made of horizontal bar and longitudinal rib in it.
2. the seal valve gum cover that is used for the direct-acting type valve according to claim 1 is characterized in that: described gum cover body adopts rubber material to make, and described netted interior muscle adopts terylene, nylon or rigid metal silk to make.
3. the seal valve gum cover that is used for the direct-acting type valve according to claim 1 is characterized in that: the horizontal bar of described netted interior muscle has stretchability, and the length of described longitudinal rib is a certain amount of.
4. the seal valve gum cover that is used for the direct-acting type valve according to claim 1 is characterized in that: described horizontal bar is staggeredly arranged and constitutes grid between longitudinal rib, or the grid that constitutes between longitudinal rib and the horizontal bar assumes diamond in shape, circle.
5. according to each described seal valve gum cover that is used for the direct-acting type valve of claim 1-4, it is characterized in that: the inboard upper and lower end periphery of described gum cover body is provided with the bulge loop that is connected as a single entity with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154589.6A CN103216671B (en) | 2013-04-28 | 2013-04-28 | Seal valve gum cover for direct-acting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154589.6A CN103216671B (en) | 2013-04-28 | 2013-04-28 | Seal valve gum cover for direct-acting valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216671A true CN103216671A (en) | 2013-07-24 |
| CN103216671B CN103216671B (en) | 2014-12-17 |
Family
ID=48814719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310154589.6A Active CN103216671B (en) | 2013-04-28 | 2013-04-28 | Seal valve gum cover for direct-acting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103216671B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2623268A1 (en) * | 1987-08-19 | 1989-05-19 | Dufrene Alain | Tap for drawing off liquids |
| CN2846849Y (en) * | 2005-08-24 | 2006-12-13 | 周拓韬 | Open conical sleeve |
| CN101055042A (en) * | 2007-04-30 | 2007-10-17 | 夏育红 | Water tap |
| CN101377255A (en) * | 2007-08-29 | 2009-03-04 | 喜开理株式会社 | Vacuum opening/closing valve |
| CN101696744A (en) * | 2009-11-04 | 2010-04-21 | 夏育红 | Safety pressure-limiting valve |
| CN101696736A (en) * | 2009-11-04 | 2010-04-21 | 夏育红 | Valve |
| CN201448449U (en) * | 2009-08-03 | 2010-05-05 | 广东万和新电气股份有限公司 | A self-priming magnetic valve for marsh gas appliances |
| CN101782156A (en) * | 2010-03-03 | 2010-07-21 | 夏育红 | Full water self-closing exhaust valve used for solar water heater |
| CN102102767A (en) * | 2009-12-17 | 2011-06-22 | 夏育红 | Directly operated type general electromagnetic valve |
-
2013
- 2013-04-28 CN CN201310154589.6A patent/CN103216671B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2623268A1 (en) * | 1987-08-19 | 1989-05-19 | Dufrene Alain | Tap for drawing off liquids |
| CN2846849Y (en) * | 2005-08-24 | 2006-12-13 | 周拓韬 | Open conical sleeve |
| CN101055042A (en) * | 2007-04-30 | 2007-10-17 | 夏育红 | Water tap |
| CN101377255A (en) * | 2007-08-29 | 2009-03-04 | 喜开理株式会社 | Vacuum opening/closing valve |
| CN201448449U (en) * | 2009-08-03 | 2010-05-05 | 广东万和新电气股份有限公司 | A self-priming magnetic valve for marsh gas appliances |
| CN101696744A (en) * | 2009-11-04 | 2010-04-21 | 夏育红 | Safety pressure-limiting valve |
| CN101696736A (en) * | 2009-11-04 | 2010-04-21 | 夏育红 | Valve |
| CN102102767A (en) * | 2009-12-17 | 2011-06-22 | 夏育红 | Directly operated type general electromagnetic valve |
| CN101782156A (en) * | 2010-03-03 | 2010-07-21 | 夏育红 | Full water self-closing exhaust valve used for solar water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103216671B (en) | 2014-12-17 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180612 Address after: 214537 96 Fei Yue Road, Xinqiao Industrial Park, Jingjiang, Taizhou, Jiangsu Patentee after: JIANGSU FEIYUE PUMP GROUP CO., LTD. Address before: 230041 Anhui Hefei Yaohai District East Street Zongyang South Road Hui dodo convenience store Patentee before: Xia Yuhong |
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| TR01 | Transfer of patent right |