CN205907209U - Large -scale bat door sluice rubber seal - Google Patents
Large -scale bat door sluice rubber seal Download PDFInfo
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- CN205907209U CN205907209U CN201620579397.9U CN201620579397U CN205907209U CN 205907209 U CN205907209 U CN 205907209U CN 201620579397 U CN201620579397 U CN 201620579397U CN 205907209 U CN205907209 U CN 205907209U
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- sealing member
- lower floor
- upper strata
- rubber
- flap valve
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Abstract
The utility model provides a large -scale bat door sluice rubber seal belongs to sealing material technical field. The rubber seal wholly is the bar, and its cross -section is formed by the lower floor's sealing member that is located rubber seal one side and the upper sealing member complex of opposite side, the shao shi hardness of the material of lower floor's sealing member is greater than the shaoshi hardness of upper sealing member, and the material of lower floor's sealing member break the elongation of breaking that the elongation is lighter than upper sealing member. Adopt double face type project organization, two working faces have played good cushioning effect when the bat student falls, played good sealed effect when operating condition again.
Description
Technical field
This utility model provides a kind of large-scale flap valve rubber sealing element for water gate, belongs to encapsulant technical field.
Background technology
In recent years, as the shortage of the water of human survival life line, the Important Problems of new century global concern are had become as
One of.For water resources ownership per capita is only accounted for China of world average level about 1/4, especially prominent, country and ought be very
Pay attention to problem and the water conservancy working of water, water resource has been impact national development and safe strategic resource water conservancy construction is put
The first place of capital construction.Sluice sealing member is an important component part in water conservancy construction, is to ensure that the airtight water shutoff of gate is normal
The Jeakage through Sluice Sealant that the critical component of operation is good should have relative low cost, structure is simple, run easy and simple to handle, sealing effectiveness
Good, the low advantage of safety, long service life, coefficient of friction, will realize this effect, the structure of sealing member, materials and preparation method
Relatively more crucial, common rubber seal domestic at present still suffers from defect at several aspects above, and technology is still weaker, need to enter
One step improves.
Content of the invention
The purpose of this utility model is: provides a kind of rubber seal being applied to large-scale flap valve sluice, this sealing member needs
Good sealing effect to be had, the advantage of life-span length.
Technical scheme is:
First aspect:
One kind is applied to large-scale flap valve rubber sealing element for water gate, generally bar shaped, and its section is by positioned at rubber seal
The upper strata sealing member of lower floor's sealing member of side and opposite side is formed by connecting；The shore hardness of the material of lower floor's sealing member is more than
The shore hardness of upper strata sealing member, and the elongation rate of tensile failure of the material of lower floor's sealing member be less than upper strata sealing member break elongation
Rate.
The technical parameter of the material of the rubber that lower floor's sealing member is adopted is: hardness: 65 ± 5 continue your a, stretch breaking strength >=
22mpa, elongation rate of tensile failure >=450%.
The technical parameter of the material of the rubber that upper strata sealing member is adopted is: hardness 45 ± 5 continues your a, stretch breaking strength >=
18mpa, elongation rate of tensile failure >=600%.
In the direction of upper strata sealing member dorsad lower floor's sealing member, it is provided with least one raised.
Upper strata the sealing member dorsad direction of lower floor's sealing member are provided with least one first raised and at least one the
Two is raised, and area on rubber seal section for first projection is more than area on section for second projection.
Second projection is in the first projection position on rubber seal section in the position on rubber seal section
Side.
Lower floor's sealing member is additionally provided with installing hole.
Second aspect:
The preparation method of above-mentioned rubber seal, comprises the steps:
A) preparation upper strata sealing member；
B) preparation lower floor sealing member；
C) the reserved joint on upper strata sealing member and lower floor sealing member is mutually heated and be connected.
Vulcanisation step is all included in described step a and step b.
In the described constituent of upper strata sealing member, include following component by weight: natural rubber: 100
Part；Vulcanizing agent: 2～3 parts；Accelerator: 1～1.5 part；Zinc oxide: 4～6 parts；Stearic acid: 2～3 parts；White carbon black: 15～25 parts；Anti-
Old agent: 3.5～4.5 parts；Softening agent: 5～10 parts.
In the described constituent of lower floor's sealing member, include following component by weight: natural rubber: 100
Part；Vulcanizing agent: 2～3 parts；Accelerator: 1～1.5 part；Zinc oxide: 4～6 parts；Stearic acid: 2～3 parts；White carbon black: 45～55 parts；Anti-
Old agent: 3.5～4.5 parts；Softening agent: 2～5 parts.
Described white carbon black refers to n330 white carbon black.
Described vulcanizing agent is sulfur or its predispersion；Accelerator is 2- benzothiazolyl mercaptan, diphenyl disulfide thiophene
One of which in azoles or a combination thereof；Age resistor is one kind or a combination thereof of antioxidant 4010 na, antioxidant d or paraffin, softens
Agent is machine oil.
In the preparation method of upper strata sealing member and lower floor's sealing member, all comprise the following steps that the 1st step: in natural rubber
In, add zinc oxide, stearic acid, n330 white carbon black, age resistor, softening agent to pass through mixing and elastomeric compound is obtained；2nd step: by elastomeric compound
In add vulcanizing agent, accelerator obtains final product sizing material；3rd step: above-mentioned sizing material back mixing, preforming obtain the sizing material of preforming；The
4 steps: the sizing material of above-mentioned preforming is put into mould, is vulcanized in vulcanizing press or drum vulcanizer, obtain final product.
The third aspect:
The above-mentioned fluid conveying equipment being applied to large-scale flap valve rubber sealing element for water gate is installed.
Beneficial effect
This utility model is unique because of moulding, selected material, and using the materials of the uniqueness of upper soft lower hard structure, upper strata adopts
Flexible glue material can play effective cushioning effect when flap valve falls, and elasticity well more can effectively play sealing function, but because current,
Hydraulic pressure is larger, completely cannot stop water for first, so using the harder material of second, in big hydraulic pressure and to a certain degree
Well water can be stopped under conditions of the depth of water, accomplish watertight.Double sealing structure more can strengthen the protection to water resource, fills
Divide the purpose reaching energy-conserving and environment-protective.
Brief description
Fig. 1 is the schematic cross-section of the rubber sealing element for water gate that this utility model provides；
Fig. 2 is the schematic cross-section in the water hole being provided with rubber seal；
Fig. 3 is the side sectional view in the water hole being mounted with rubber seal.
Wherein, 1, lower floor's sealing member；2nd, upper strata sealing member；3rd, first is raised；4th, second is raised；5th, installing hole；6th, water hole；
7th, rubber seal.
Specific embodiment
Embodiment 1
The rubber seal main body that this utility model provides is strip, and it can be installed on the runners such as water hole, gate equipment
Surrounding, play the effect of sealing；The structure in its section is as shown in fig. 1: sealing member is by lower floor's sealing in the left side in Fig. 1
In part 1 and Fig. 1, the upper strata sealing member 2 on right side is connected with each other and forms；Under normal circumstances, lower floor's sealing member 1 is being installed on direction
The side of the equipments such as gate, water hole, and be fixed on these water seals equipment, and upper strata sealing member 2 is towards outside, the sealing of outside
Equipment will fit on upper strata sealing member 2.
Design concept of the present utility model is mainly: the rubber that lower floor's sealing member 1 is adopted belongs to the higher class of hardness,
And rubber hardness that upper strata sealing member 2 is adopted is less, and elasticity is larger.Use when the uniqueness using upper soft lower hard structure
Material, effective cushioning effect can be played using flexible glue material in upper strata when flap valve falls, and elasticity well more can effectively play sealing and make
With, but because current, hydraulic pressure are larger, cannot completely water be stopped for first, so lower floor is used for using the harder material of second
Water can be stopped under conditions of big hydraulic pressure and the to a certain degree depth of water, play preferable sealing effectiveness by sealing member well.Adopt
With unique r type design structure, two sealing aspects, serve good cushioning effect when flap valve falls, in working order
When serve good sealing function again.Installing hole 5 is additionally provided with lower floor's sealing member 1, close for being fixed on sealing member
On seal apparatus.
In certain embodiments, the important technological parameters of the material of the rubber that lower floor's sealing member 1 is adopted are: hardness: 65
± 5 continue your a, stretch breaking strength >=22mpa, elongation rate of tensile failure >=450%.The important technological parameters of upper strata sealing member 2 are: hardness 45
± 5 continue your a, stretch breaking strength >=18mpa, elongation rate of tensile failure >=600%.
In certain embodiments, for upper strata sealing member 2, its structure can further be improved, and carries on the back in upper strata sealing member 2
To the direction of lower floor's sealing member 1, be provided with that at least one is raised, due to upper strata sealing member 2 elasticity preferably, therefore when being provided with
After projection, after the extruding of sluice, projection can occur more significantly to deform, and plays more preferable buffering and gluing, sealing
The effect in face, makes deformation buffer, sealing effectiveness more preferable.
In certain embodiments, upper strata the sealing member 2 dorsad direction of lower floor's sealing member 1 are provided with least one first
Raised 3 are more than the second projection 4 in section with least one second projection 4, area on rubber seal section for first projection 3
On area, in addition position on rubber seal section for second projection 4 be in the first projection 3 in rubber seal section
The side of upper position.It is mainly designed in order to when sluice is clapped on together in rubber seal using such shape, convex by first
Rise and 3 play main cushioning effect, and the edge of sluice can be carried out elastic inclusion by the second projection 4, after compression, by the
Two projections 4 can preferably seal to the surrounding of sluice, plays better seal and buffering effect.
As shown in Fig. 2 the rubber seal 7 that this utility model provides is overall as bar shaped, it is installed on the surrounding in water hole 6,
The side view of installed surface is as shown in figure 3, lower floor's sealing member 1 is connected to a fixed with water hole 6, and upper strata sealing member 2 is towards outside,
It is exactly the direction of sluice flap valve, when flap valve closes, be adjacent on upper strata sealing member 2.
Embodiment 2
The present embodiment is used for composition and the preparation method of encapsulant is described.
The material of upper strata sealing member:
Natural rubber: 100 weight portions；
Vulcanizing agent: 3 weight portions；
Accelerator: 1.5 weight portions；
Zinc oxide: 6 weight portions；
Stearic acid: 3 weight portions；
N330 white carbon black: 25 weight portions；
Age resistor: 4.5 weight portions；
Softening agent: 10 weight portions.
The material of lower floor's sealing member:
Natural rubber: 100 weight portions；
Vulcanizing agent: 3 weight portions；
Accelerator: 1.5 weight portions；
Zinc oxide: 6 weight portions；
Stearic acid: 3 weight portions；
N330 white carbon black: 55 weight portions；
Age resistor: 4.5 weight portions；
Softening agent: 5 weight portions.
Described vulcanizing agent is sulfur；Accelerator is 2- benzothiazolyl mercaptan；Age resistor is antioxidant 4010 na, softening agent
For machine oil.
The preparation process of the encapsulant of above the upper and lower is separately to carry out, and upper and lower layer sealing member step is all:
1st step: in natural rubber, add zinc oxide, stearic acid, n330 white carbon black, age resistor, softening agent by mixing system
Obtain elastomeric compound；2nd step: by adding vulcanizing agent in elastomeric compound, accelerator obtains final product sizing material；3rd step: by above-mentioned sizing material back mixing, in advance
Molding, obtains the sizing material of preforming；4th step: the sizing material of above-mentioned preforming is put into mould, in vulcanizing press or drum-type sulfuration
Machine is vulcanized, and obtains final product.
In above-mentioned mould, reserve joint all on sizing material, by after the completion of preparation, upper and lower layer sealing member is reserved joint
After mutually heating connects, form all-in-one-piece sealing member.
Embodiment 3
The present embodiment is used for composition and the preparation method of encapsulant is described.
The material of upper strata sealing member:
Natural rubber: 100 weight portions；
Vulcanizing agent: 2 weight portions；
Accelerator: 1 weight portion；
Zinc oxide: 4 weight portions；
Stearic acid: 2 weight portions；
N330 white carbon black: 15 weight portions；
Age resistor: 3.5 weight portions；
Softening agent: 5 weight portions.
The material of lower floor's sealing member:
Natural rubber: 100 weight portions；
Vulcanizing agent: 2 weight portions；
Accelerator: 1 weight portion；
Zinc oxide: 4 weight portions；
Stearic acid: 2 weight portions；
N330 white carbon black: 45 weight portions；
Age resistor: 3.5 weight portions；
Softening agent: 2 weight portions.
Described vulcanizing agent is sulfur；Accelerator is 2- benzothiazolyl mercaptan；Age resistor is antioxidant 4010 na, softening agent
For machine oil.
The preparation process of the encapsulant of above the upper and lower is separately to carry out, and upper and lower layer sealing member step is all:
1st step: in natural rubber, add zinc oxide, stearic acid, n330 white carbon black, age resistor, softening agent by mixing system
Obtain elastomeric compound；2nd step: by adding vulcanizing agent in elastomeric compound, accelerator obtains final product sizing material；3rd step: by above-mentioned sizing material back mixing, in advance
Molding, obtains the sizing material of preforming；4th step: the sizing material of above-mentioned preforming is put into mould, in vulcanizing press or drum-type sulfuration
Machine is vulcanized, and obtains final product.
In above-mentioned mould, reserve joint all on sizing material, by after the completion of preparation, upper and lower layer sealing member is reserved joint
After mutually heating connects, form all-in-one-piece sealing member.
Embodiment 4
The present embodiment is used for composition and the preparation method of encapsulant is described.
The material of upper strata sealing member:
Natural rubber: 100 weight portions；
Vulcanizing agent: 2 weight portions；
Accelerator: 1 weight portion；
Zinc oxide: 4 weight portions；
Stearic acid: 2 weight portions；
Modified n330 white carbon black: 15 weight portions；
Age resistor: 3.5 weight portions；
Softening agent: 5 weight portions.
The material of lower floor's sealing member:
Natural rubber: 100 weight portions；
Vulcanizing agent: 2 weight portions；
Accelerator: 1 weight portion；
Zinc oxide: 4 weight portions；
Stearic acid: 2 weight portions；
N330 white carbon black: 45 weight portions；
Age resistor: 3.5 weight portions；
Softening agent: 2 weight portions.
Described vulcanizing agent is sulfur；Accelerator is 2- benzothiazolyl mercaptan；Age resistor is antioxidant 4010 na, softening agent
For machine oil.
The preparation process of modified n330 white carbon black: by 50g n330 white carbon black, 350mlch2O solution (mass fraction 33%) and
The naoh solution (catalyst) of the 0.1mol/l of 50ml is added in 1000ml there-necked flask, heating in water bath, is warming up to 50 DEG C instead
Answer 1h, repeatedly washing filtering, filter cake 50 DEG C be vacuum dried 24h, referred to as methylol white carbon black, then by 10g methylol white carbon black, 5g pair
The naoh solution of the methanol aqueous solution of the 50vol% of phenolsulfonic acid and 500ml and 50ml0.1mol/l, is added to tri- mouthfuls of 1000ml
In flask, heating in water bath, it is warming up to 90 DEG C of reaction 5h, be washed with deionized 3 times, filter, be dried at 100 DEG C, changed
Property n330 white carbon black.
The preparation process of the encapsulant of above the upper and lower is separately to carry out, and upper and lower layer sealing member step is all:
1st step: in natural rubber, add zinc oxide, stearic acid, n330 white carbon black, age resistor, softening agent by mixing system
Obtain elastomeric compound；2nd step: by adding vulcanizing agent in elastomeric compound, accelerator obtains final product sizing material；3rd step: by above-mentioned sizing material back mixing, in advance
Molding, obtains the sizing material of preforming；4th step: the sizing material of above-mentioned preforming is put into mould, in vulcanizing press or drum-type sulfuration
Machine is vulcanized, and obtains final product.
In above-mentioned mould, reserve joint all on sizing material, by after the completion of preparation, upper and lower layer sealing member is reserved joint
After mutually heating connects, form all-in-one-piece sealing member.
The above-mentioned upper and lower layer sealing member preparing, and the sample physical property of integral seal is as follows,
As can be seen from the above table, the fluid sealant of the preparation-obtained levels of this utility model has different physical properties
Can, mainly it is embodied in upper strata sealing member and there is preferable elongation at break and less hardness, and the sealant material of lower floor
There is larger hardness and less elongation at break.For the further integrated connection of test sizing and elastic performance, also
Carry out sealing member entirety elongation at break test and include connection it is simply that intercepting out both sides near upper-lower seal part junction point
The overall testing bar of point, the global shape of testing bar is prepared according to elongation at break method, in example 4, by right
To carbon black modified in the fluid sealant of upper strata, the intensity of upper and lower layer sizing connection can be improved on the whole and improve integral seal
Percentage elongation.
Claims (8)
1. a kind of large-scale flap valve rubber sealing element for water gate, generally bar shaped it is characterised in that: its section is by positioned at rubber seal
The upper strata sealing member (2) of lower floor's sealing member (1) of part side and opposite side is composited；The material of lower floor's sealing member (1)
Shore hardness is more than the shore hardness of upper strata sealing member (1), and the elongation rate of tensile failure of the material of lower floor's sealing member (1) is less than upper strata
The elongation rate of tensile failure of sealing member (1).
2. large-scale flap valve rubber sealing element for water gate according to claim 1 it is characterised in that: lower floor's sealing member (1) is adopted
The technical parameter of the material of rubber is: hardness: 65 ± 5 continue your a, stretch breaking strength >=22mpa, elongation rate of tensile failure >=450%.
3. large-scale flap valve rubber sealing element for water gate according to claim 1 it is characterised in that: upper strata sealing member (2) is adopted
The technical parameter of the material of rubber is: hardness 45 ± 5 continues your a, stretch breaking strength >=18mpa, elongation rate of tensile failure >=600%.
4. large-scale flap valve rubber sealing element for water gate according to claim 1 it is characterised in that: upper strata sealing member (2) back of the body
To the direction of lower floor's sealing member (1), it is provided with least one raised.
5. large-scale flap valve rubber sealing element for water gate according to claim 3 it is characterised in that: upper strata sealing member (2) back of the body
At least one first raised (3) and at least one second raised (4) are provided with the direction of lower floor's sealing member (1), first is convex
Play (3) area on rubber seal section and be more than second raised (4) area on section.
6. large-scale flap valve rubber sealing element for water gate according to claim 4 it is characterised in that: second raised (4) are in rubber
Position on sealing member section is in the side of first raised (3) position on rubber seal section.
7. large-scale flap valve rubber sealing element for water gate according to claim 1 it is characterised in that: on lower floor's sealing member (1)
It is additionally provided with installing hole (5).
8. the fluid conveying equipment of the large-scale flap valve rubber sealing element for water gate described in any one of claim 1～7 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579397.9U CN205907209U (en) | 2016-06-13 | 2016-06-13 | Large -scale bat door sluice rubber seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579397.9U CN205907209U (en) | 2016-06-13 | 2016-06-13 | Large -scale bat door sluice rubber seal |
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| Publication Number | Publication Date |
|---|---|
| CN205907209U true CN205907209U (en) | 2017-01-25 |
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ID=57814382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620579397.9U Active CN205907209U (en) | 2016-06-13 | 2016-06-13 | Large -scale bat door sluice rubber seal |
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| CN (1) | CN205907209U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906859A (en) * | 2016-06-13 | 2016-08-31 | 南京东润特种橡塑有限公司 | Large flap valve water gate rubber sealing part and preparation method thereof |
| CN113087978A (en) * | 2021-05-06 | 2021-07-09 | 南京曼润高分子科技研究院有限公司 | Modified high-toughness sluice rubber sealing element and preparation method thereof |
-
2016
- 2016-06-13 CN CN201620579397.9U patent/CN205907209U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906859A (en) * | 2016-06-13 | 2016-08-31 | 南京东润特种橡塑有限公司 | Large flap valve water gate rubber sealing part and preparation method thereof |
| CN113087978A (en) * | 2021-05-06 | 2021-07-09 | 南京曼润高分子科技研究院有限公司 | Modified high-toughness sluice rubber sealing element and preparation method thereof |
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