CN104696515A - 电喷泵密封件 - Google Patents

电喷泵密封件 Download PDF

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CN104696515A
CN104696515A CN201510052767.3A CN201510052767A CN104696515A CN 104696515 A CN104696515 A CN 104696515A CN 201510052767 A CN201510052767 A CN 201510052767A CN 104696515 A CN104696515 A CN 104696515A
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rubber
parts
sealing piece
injection pump
tubular wall
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CN104696515B (zh
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马深同
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Foshan Sanshui Dongxian Rubber Products Co ltd
Guangdong Gaohang Intellectual Property Operation Co ltd
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LIUZHOU TONGJIN AUTO PART MANUFACTURING Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides
    • C08L71/03—Polyepihalohydrins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—Waxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本发明公开了一种电喷泵橡胶密封件，涉及橡胶技术领域，该电喷泵橡胶密封件，包括有橡胶密封件本体，所述密封圈本体具有橡胶内层和橡胶外层两层；所述密封圈本体包括有环形的底部及筒形壁体，所述筒形壁体与所述底部的外沿相连接，所述筒形壁体的内壁上端径向伸出有外唇，所述底部上轴向伸出有环形的凸起。本发明解决现有的橡胶密封件弹性差，使用寿命短且密封效果差的问题。

Description

电喷泵密封件
技术领域
本发明涉及汽车配件技术领域，尤其是一种电喷泵橡胶密封件。
背景技术
在汽车或机械设备的液压系统中，其电喷泵的泵体和其喷嘴之间通常是通过密封件连接的，现有的密封件是一种橡胶的皮碗，其多采用单一材料的橡胶制成，由于用在此处的橡胶皮碗要承受密封件对该皮碗给以断面压缩力以及高压油液的流动，易造成橡胶皮碗的损坏而导致漏油、窜油，因此不但使油品浪费，严重者甚至会造成危及人们生命财产的事故，因此生产出一种弹性高、寿命长、密封效果好且价格便宜的橡胶管是本领域技术人员亟需解决的问题。
发明内容
本发明所要解决的技术问题是提供一种电喷泵橡胶密封件，它可以解决现有的橡胶密封件弹性差，使用寿命短且密封效果差的问题。
为了解决上述问题，本发明的技术方案是：这种电喷泵橡胶密封件，包括有橡胶密封件本体，所述密封圈本体具有橡胶内层和橡胶外层两层；所述密封圈本体包括有环形的底部及筒形壁体，所述筒形壁体与所述底部的外沿相连接，所述筒形壁体的内壁上端径向伸出有外唇，所述底部上轴向伸出有环形的凸起。
上述技术方案中，更具体的方案还可以是：所述橡胶内层由顺丁橡胶制成。
进一步的：所述橡胶外层的橡胶采用如下重量份的原料制成：
顺丁橡胶：70份； 乙丙橡胶： 25份； 氯醚橡胶： 5份；碳酸钙：4份；高耐磨炭黑：10份；喷雾炭黑：10份；二硫代氨基甲酸盐：5.5份；聚乙烯蜡：2.3份；石蜡：8份；硫化树脂：7.3份。
由于采用上述技术方案 ，本发明具有如下有益效果：
1、由于筒形壁体的内壁上端径向伸出有外唇，底部上轴向伸出有环形的凸起，可从径向和轴向将连接件抱合，提高了密封性；
2、由于橡胶内层由顺丁橡胶制成，其价格低廉且具有弹性与耐磨性优良，耐老化性好的特性；
3、由于橡胶外层采用了顺丁橡胶为主料并加入了乙丙橡胶和氯醚橡胶， 乙丙橡胶的高冲击弹性和氯醚橡胶的高耐老化性改善了顺丁橡胶的强度较低，抗撕裂性差的缺点使合成的橡胶具有高抗压性和耐碱、耐油、耐水、耐老化使用寿命长的特点。由于采用聚乙烯蜡作为防老化剂，可提高外管层橡胶的的持久度、硬度和抗磨损性；
4、由于橡胶外层中采用了高耐磨炭黑及喷雾炭黑并用，使橡胶外层物理机械性能优异，压缩永久变形小。
附图说明
图1是本发明实施例的结构示意图。
具体实施方式
下面结合附图实施例对本发明作进一步详述：
图1所示的电喷泵橡胶密封件，包括有橡胶密封件本体，其特征在于：所述密封圈本体具有橡胶内层a和橡胶外层b两层；所述密封圈本体包括有环形的底部2及筒形壁体1，所述筒形壁体1与所述底部2的外沿相连接，所述筒形壁体1的内壁上端径向伸出有外唇1-1，所述底部2上轴向伸出有环形的凸起1-2；所述橡胶内层a由顺丁橡胶制成；所述橡胶外层b的橡胶采用如下重量份的原料制成：顺丁橡胶：70份； 乙丙橡胶： 25份； 氯醚橡胶： 5份；碳酸钙：4份；高耐磨炭黑：10份；喷雾炭黑：10份；二硫代氨基甲酸盐：5.5份；聚乙烯蜡：2.3份；石蜡：8份；硫化树脂：7.3份。由于筒形壁体的内壁上端径向伸出有外唇，底部上轴向伸出有环形的凸起，可从径向和轴向将连接件抱合，提高了密封性；由于橡胶内层由顺丁橡胶制成，其价格低廉且具有弹性与耐磨性优良，耐老化性好的特性；由于橡胶外层采用了顺丁橡胶为主料并加入了乙丙橡胶和氯醚橡胶， 乙丙橡胶的高冲击弹性和氯醚橡胶的高耐老化性改善了顺丁橡胶的强度较低，抗撕裂性差的缺点使合成的橡胶具有高抗压性和耐碱、耐油、耐水、耐老化使用寿命长的特点。由于采用聚乙烯蜡作为防老化剂，可提高外管层橡胶的持久度、硬度和抗磨损性；由于橡胶外层中采用了高耐磨炭黑及喷雾炭黑并用，使橡胶外层物理机械性能优异，压缩永久变形小。

Claims (3)

1.一种电喷泵橡胶密封件，包括有橡胶密封件本体，其特征在于：所述密封圈本体具有橡胶内层（a）和橡胶外层（b）两层；所述密封圈本体包括有环形的底部（2）及筒形壁体（1），所述筒形壁体（1）与所述底部（2）的外沿相连接，所述筒形壁体（1）的内壁上端径向伸出有外唇（1-1），所述底部（2）上轴向伸出有环形的凸起（1-2）。
2.根据权利要求1所述的电喷泵橡胶密封件，其特征在于：所述橡胶内层（a）由顺丁橡胶制成。
3.根据权利要求1或2所述的电喷泵橡胶密封件，其特征在于：所述橡胶外层（b）的橡胶采用如下重量份的原料制成：
顺丁橡胶：70份； 乙丙橡胶： 25份； 氯醚橡胶： 5份；碳酸钙：4份；高耐磨炭黑：10份；喷雾炭黑：10份；二硫代氨基甲酸盐：5.5份；聚乙烯蜡：2.3份；石蜡：8份；硫化树脂：7.3份。
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104893025A (zh) * 2015-06-17 2015-09-09 南通海鹰木业有限公司 高密封性窗户
CN104893026A (zh) * 2015-06-17 2015-09-09 南通海鹰木业有限公司 用于窗户的密封圈
CN105906859A (zh) * 2016-06-13 2016-08-31 南京东润特种橡塑有限公司 大型拍门水闸橡胶密封件及其制备方法
CN116169316A (zh) * 2023-04-24 2023-05-26 上海韵量新能源科技有限公司 一种燃料电池密封结构、燃料电池、燃料电池堆
CN116771918A (zh) * 2023-06-08 2023-09-19 上海芯密科技有限公司 一种半导体用多层密封制品及其制备方法

Citations (5)

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US20050242530A1 (en) * 2002-07-19 2005-11-03 Mitsubishi Cable Industries, Ltd. Metal seal and attachment method for the same and tight-seal construction
CN201007351Y (zh) * 2006-12-26 2008-01-16 上海航天能源有限公司 唇形密封结构
CN201078471Y (zh) * 2007-07-21 2008-06-25 倪静丰 一种复合o形圈
US7717434B2 (en) * 2005-07-16 2010-05-18 Elringklinger Ag Sealing system
CN102278483A (zh) * 2011-06-24 2011-12-14 重庆市大足县动能矿山物资有限责任公司 一种双向变形式密封圈

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050242530A1 (en) * 2002-07-19 2005-11-03 Mitsubishi Cable Industries, Ltd. Metal seal and attachment method for the same and tight-seal construction
US7717434B2 (en) * 2005-07-16 2010-05-18 Elringklinger Ag Sealing system
CN201007351Y (zh) * 2006-12-26 2008-01-16 上海航天能源有限公司 唇形密封结构
CN201078471Y (zh) * 2007-07-21 2008-06-25 倪静丰 一种复合o形圈
CN102278483A (zh) * 2011-06-24 2011-12-14 重庆市大足县动能矿山物资有限责任公司 一种双向变形式密封圈

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104893025A (zh) * 2015-06-17 2015-09-09 南通海鹰木业有限公司 高密封性窗户
CN104893026A (zh) * 2015-06-17 2015-09-09 南通海鹰木业有限公司 用于窗户的密封圈
CN105906859A (zh) * 2016-06-13 2016-08-31 南京东润特种橡塑有限公司 大型拍门水闸橡胶密封件及其制备方法
CN116169316A (zh) * 2023-04-24 2023-05-26 上海韵量新能源科技有限公司 一种燃料电池密封结构、燃料电池、燃料电池堆
CN116169316B (zh) * 2023-04-24 2023-06-30 上海韵量新能源科技有限公司 一种燃料电池密封结构、燃料电池、燃料电池堆
CN116771918A (zh) * 2023-06-08 2023-09-19 上海芯密科技有限公司 一种半导体用多层密封制品及其制备方法
CN116771918B (zh) * 2023-06-08 2024-03-26 上海芯密科技有限公司 一种半导体用多层密封制品及其制备方法

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