WO2014012253A1 - 一种密封式带保险装置的汽车继电器 - Google Patents

一种密封式带保险装置的汽车继电器 Download PDF

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Publication number
WO2014012253A1
WO2014012253A1 PCT/CN2012/078957 CN2012078957W WO2014012253A1 WO 2014012253 A1 WO2014012253 A1 WO 2014012253A1 CN 2012078957 W CN2012078957 W CN 2012078957W WO 2014012253 A1 WO2014012253 A1 WO 2014012253A1
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WO
WIPO (PCT)
Prior art keywords
fuse
relay
safety device
sealing cover
base
Prior art date
Application number
PCT/CN2012/078957
Other languages
English (en)
French (fr)
Inventor
王林沪
钱和伟
钱小伟
王继伦
Original Assignee
宁波市鄞州永林电子电器有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 宁波市鄞州永林电子电器有限公司 filed Critical 宁波市鄞州永林电子电器有限公司
Priority to PCT/CN2012/078957 priority Critical patent/WO2014012253A1/zh
Priority to US14/382,329 priority patent/US9214308B2/en
Priority to BR112014018754A priority patent/BR112014018754A8/pt
Publication of WO2014012253A1 publication Critical patent/WO2014012253A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/023—Details concerning sealing, e.g. sealing casing with resin
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/047—Details concerning mounting a relays
    • H01H50/048—Plug-in mounting or sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses

Definitions

  • the invention belongs to a car relay, and particularly relates to a sealed automobile relay with a safety device. Background technique
  • the automotive relay is mainly used to control the switching of large currents. It needs overload protection when the current is overloaded to work stably and reliably.
  • the existing automotive relays do not have a safety device in the high-power on-off circuit. Since the automobile relay itself has a small size and the switching circuit is large, it is also subject to strong vibration and high temperature. It is not enough to load a safety device, so it is difficult A fuse is added to the car relay itself. If you increase the size of the car relay, attach a fuse outside the relay, which is not adopted in new cars.
  • the relay body comprises a weak current system, a strong electric system, a base and a casing, and the weak current system comprises a core, a coil, a yoke, an armature and an armature compression spring, the safety device comprising two fuse sockets and two fuses
  • the technical solution can solve the above mentioned problems of product volume and contact resistance well, there are still some problems:
  • the relay often works under the environment of large temperature change, large change of air humidity and rain and snow.
  • the surrounding working environment is damp with moisture, and the technical solution does not have a good sealing effect.
  • Moisture and the like easily enter the relay through the fuse insertion hole.
  • the electrical components in the relay may be damaged or even corroded, causing the relay to not work normally or even Serious circuit safety accidents occur during use; currently, the sealing cover is sealed and sealed on the port of the fuse insertion hole by means of a sealant to seal the fuse in the fuse insertion hole, but the fuse needs to be replaced.
  • the object of the present invention is to solve the above problems in the prior art, and to provide a sealing tape with a good sealing property to better protect the components of the fuse and the relay to extend the service life of the relay, and at the same time, the fuse is replaced conveniently and quickly.
  • Safety device for automotive relays is to solve the above problems in the prior art, and to provide a sealing tape with a good sealing property to better protect the components of the fuse and the relay to extend the service life of the relay, and at the same time, the fuse is replaced conveniently and quickly.
  • a sealed type of automotive relay with safety device including a relay body and a safety device, the relay body including a base, a casing and a weak current system disposed on the base, strong electricity System, the cover is fixed to the base, and the safety device comprises two fuse sockets disposed on the base and a fuse inserted between the two safety sockets, and the top of the cover corresponds to the two fuse sockets a fuse insertion hole is provided, and the above-mentioned fuse is inserted into the insertion hole, wherein: the fuse insertion hole is provided with a sealing cover at the port, the dense The cover is sealingly connected to the port of the fuse insertion hole and the inner cavity of the sealing cover forms a sealed cavity with the fuse insertion hole, and the above-mentioned fuse is located in the sealed cavity.
  • the weak current system comprises a core, a coil, a yoke, an armature and an armature compression spring, a fuse socket upper part is a connector, a lower part is a fixing part, a fixing part is fixed on the yoke, and another fuse socket upper part is a plug piece and the An insulating spacer is disposed between the connector and the yoke, and a power pin and a fixing leg are disposed at the lower portion, and the power pin is passed through the base to be fixed on the base, and the fixing leg is inserted on the base.
  • the upper part of the fuse socket is a standard connector, and the fixing feet are fixed at the corner of the base.
  • the port of the fuse insertion hole is upwardly convex to form a convex portion having an upper portion and a lower portion, and an outer step is provided between the upper portion and the lower portion, and the outer step is sleeved.
  • the sealing cover is provided with an upper end portion and a lower end portion, and an inner step is provided between the upper end portion and the lower end portion.
  • the sealing cover and the boss are fixedly mounted and connected by a snap structure.
  • the buckle structure includes two protrusions respectively fixed on the side walls of the lower ends of the protrusions and respectively opened at the opposite ends of the lower end of the sealing cover Two card slots on the wall, the two card slots can be respectively hooked on the two bumps to fix the sealing cover on the convex portion.
  • the fixed structure of the buckle structure enables the detachable sealing cover and the convex portion to facilitate the convenient and quick replacement of the fuse, and at the same time, the pressing sealing effect of the outer step and the inner step on the sealing ring can be improved, and the sealing property is improved.
  • the upper end faces of the two protrusions are inclined guide faces, and the two card slots can slide down to the guiding action of the guide faces of the two bumps respectively.
  • a snap connection is formed in the two bumps.
  • the guiding surface plays a good guiding role, and the sealing cover is fixedly mounted on the convex portion.
  • the casing is fixed to the base by a snap-fit structure.
  • the snap-fit structure includes two shaped latches respectively fixed on the opposite side walls of the base and inner side walls respectively opening at the cover port
  • the two grooves corresponding to the two shaped blocks are provided with an inclined guiding slope between the groove and the port on the inner side wall of the casing port.
  • the two shaped blocks can be respectively The two guiding ramps slide into the two recesses on the inner side wall of the housing port to form a snap-fit connection.
  • the snap-fit structure is detachable so that the cover and the base are detachable, and at the same time, the cover and the base have a good fixed installation effect.
  • the guiding effect of the guiding bevel is convenient for the two-shaped clamping block to be easily inserted into the two grooves, so that the casing can be fixedly and quickly fixed to the casing.
  • the cover is a transparent cover or an opaque cover.
  • the transparent cover helps people to easily understand the components on the pedestal without opening the cover, so that problems in each component can be found in time.
  • the sealed safety device with a safety device has the following advantages:
  • the sealing ring is directly inserted into the outer step of the convex portion.
  • the sealing ring is located between the outer step of the convex portion and the inner step of the sealing cover and is The seal is pressed so that the sealing cap and the boss are tightly joined together.
  • the tightness of the sealing ring and the tight joint between the convex part of the casing and the sealing cover provide double sealing protection, which greatly improves the sealing performance of the relay and solves the sealing function of the relay. At the same time, it also solves the difficulty of small installation space, neither increasing the relay volume nor increasing the contact resistance, and can withstand a certain vibration, the structure is reasonable, the fixing effect is good, the installation and use are convenient, and the reliability is high;
  • the fuse seal is installed in the sealed cavity formed by the inner cavity of the sealing cover and the fuse insertion hole, so as to avoid the influence of the harsh environment of the outer boundary, and the sealing cover and the cover convex
  • the detachable snap connection makes the fuse replacement more convenient and quicker;
  • the method of pressing the sealing ring replaces the sealing method in the past. It is used to prevent the vibration or the pins are often plugged and unplugged, which may affect the looseness and unreliable contact, etc., ensuring that the fuse can be stabilized under the conditions of salt spray and humid air. Work reliably;
  • Figure 1 is a schematic perspective view of the present invention.
  • Fig. 2 is a schematic view showing another structure of the present invention.
  • Figure 3 is a cross-sectional view of the present invention.
  • the sealed automotive relay with safety device includes a relay body and a safety device.
  • the relay body includes a base 1, a casing 2, and a weak current system disposed on the base 1, a strong electric system.
  • the cover 2 is fixedly connected to the base 1.
  • the safety device comprises two fuse sockets disposed on the base 1 and a fuse 3 inserted between the two safety sockets.
  • the top of the cover 2 is disposed corresponding to the two fuse sockets.
  • a fuse insertion hole 4 is inserted into the insertion hole, and a sealing cover 5 is provided at the port of the fuse insertion hole 4.
  • the port of the fuse insertion hole 4 is convex upward to form a boss portion 6 having an upper portion 61 and a lower portion 62, and an upper portion 61
  • An outer step 63 is provided between the lower portion 62 and the lower portion 62.
  • the step 63 is sleeved with a sealing ring 7 including an upper end portion 51 and a lower end portion 52.
  • An inner step 53 is provided between the upper end portion 51 and the lower end portion 52.
  • the sealing cover 5 When the sealing cover 5 is fixedly mounted on the boss portion 6, The sealing ring 7 is press-connected between the outer step 63 and the inner step 53 to form a sealing connection between the sealing cover 5 and the fuse insertion hole 4 port, so that the inner cavity of the sealing cover 5 and the fuse insertion hole 4 form a sealed cavity, the fuse 3 is located in the sealed cavity.
  • the sealing cover 5 and the boss portion 6 are fixedly mounted and connected by a snap structure.
  • the latching structure includes two protrusions 64 respectively fixed on the side walls of the lower portions 62 of the lower portion 62 of the boss portion 6 and two card slots 54 respectively defined on the side walls of the lower end portions 52 of the sealing cover 5, and the two brackets 64
  • the upper end surface is an inclined guiding surface 65.
  • the sealing cover 5 When the sealing is installed, the sealing cover 5 can be pressed and fastened to the boss portion 6 of the casing 2, and the sealing ring 7 is located at the boss portion 6.
  • the outer step 63 and the inner step 53 of the sealing cover 5 are pressed and deformed by the outer step 63 and the inner step 53 while the sealing cover 5 and the boss portion 6 are tightly coupled, and the seal double insurance is provided to improve the sealing of the relay.
  • the buckle can be installed, convenient, fast and effective.
  • the casing 2 is fixed to the base 1 by a snap-fit structure.
  • the latching structure comprises two shaped latches 8 respectively fixed on the two opposite side walls of the base 1 and two recesses 9 corresponding to the two shaped latches 8 respectively on the inner side wall of the cover 2 port
  • the inner side wall of the casing 2 is provided with an inclined guiding slope 10 between the groove 9 and the port.
  • the cover 2 and the base 1 are detachably fixed. During production and assembly, the cover 2 can be fixedly mounted to the base 1 by a snap-fit structure. When the cover 2 needs to be opened, The cover 2 can also be detached from the base 1 by a snap-fit structure.
  • the casing 2 in this embodiment is a transparent casing.
  • the transparent cover helps people to easily understand the components on the base 1 without opening the cover 2, so that problems in each component can be found in time.
  • the casing 2 in this embodiment may also be an opaque casing.
  • the base 1, the casing 2, the fuse 3, the fuse insertion hole 4, the sealing cover 5, the upper end portion 5 1, the lower end portion 52, the inner step 53, the card groove 54, the boss portion 6, the upper portion are used more frequently herein. 6 1.
  • the lower portion 62, the outer step 63, the projection 64, the guide surface 65, the sealing ring 7, the strip block 8, the groove 9, the guiding bevel 10, etc. but do not exclude the possibility of using other terms. These terms are only used to more easily describe and explain the nature of the invention; any of these additional limitations are inconsistent with the spirit of the invention.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fuses (AREA)

Abstract

本发明提供了一种密封式带保险装置的汽车继电器，属于汽车继电器。它解决了现有的继电器其保险丝更换不方便且保险丝密封性不好的问题。本密封式带保险装置的汽车继电器包括继电器主体和保险装置，继电器主体包括基座、罩壳和设置在基座上的弱电系统、强电系统，罩壳固连在基座上，保险装置包括两个设置在基座上的保险丝插座和插在两个保险插座间的保险丝，罩壳顶部与两个保险丝插座对应处设置有保险丝插入孔，插入孔中插入上述的保险丝，保险丝插入孔的端口处设有密封盖，密封盖密封连接在保险丝插入孔的端口上且密封盖的内腔与保险丝插入孔形成密封空腔，保险丝位于密封空腔中。本继电器具有密封性好、保险丝更换方便且通用性强的优点。

Description

一种密封式带保险装置的汽车继电器 技术领域
本发明属于汽车继电器， 特别涉及一种密封式带保险装置的 汽车继电器。 背景技术
汽车继电器主要用于控制大电流的切换，其在电流过载时需要 有过载保护才能工作稳定可靠。现有的汽车继电器在强电通断电路 中没有保险装置， 由于汽车继电器自身体积小而切换电路大， 还要 承受强振动与高温， 要加载一个保险装置其空间是不够的， 因此很 难在汽车继电器自身中加入保险装置。 如果增大汽车继电器体积， 在继电器外附加一个保险丝， 在新型的汽车中不被采纳。
为了提高汽车继电器质量，满足产品在各种使用环境中的技术 要求， 也采取了一些技术措施， 如在汽车继电器的主体旁加一个保 险装置并用连接片进行连接，但是这样会增大汽车继电器的体积和 接触电阻， 因此不能保证产品的可靠性， 也无法有效解决产品体积 偏大的问题。
为了解决上述提到的问题，现有提出了名称为一种带保险装置 的汽车继电器（专利号： 200810164226. X ,公开号为 CN 1014590 15A ) 的技术方案， 该技术方案包括继电器主体和保险装置， 继电器主体 包括弱电系统、强电系统、基座和罩壳， 弱电系统包括铁芯、线圈、 轭铁、衔铁和衔铁压簧， 所述的保险装置包括两个保险丝插座和插 在两个保险丝插座间的保险丝， 一个保险丝插座上部为接插件， 下 部为固定件， 固定件固定在轭铁上， 另一个保险丝插座上部为接插 件， 该接插件与轭铁间设置一绝缘隔片， 下部带一电源插脚和固定 脚， 其电源插脚穿过基座而限位在基座上， 固定脚插在基座上， 罩 壳顶部与两个保险丝插座对应处设置保险丝插入孔，插入孔中插入 保险丝。该技术方案虽然能很好地解决了上述提到的产品体积及接 触电阻的问题， 但仍存在着一些问题： 主要是继电器经常在温度变 化大、 空气湿度变化大及雨水冰雪的环境下工作， 周围工作环境潮 湿带有水分， 而该技术方案没有很好的密封效果， 水分等容易通过 保险丝插入孔进入到继电器中，长此以往会损坏继电器中的各电器 元件甚至腐蚀，造成继电器不能正常工作甚至在使用中发生严重的 电路安全事故；目前也有将密封盖通过密封胶的方式密封胶固在保 险丝插入孔的端口上从而将保险丝密封安装在保险丝插入孔中，但 一是保险丝是需要更换的， 在更换保险丝时， 需要破坏密封胶将密 封盖与保险丝插入孔的端口脱离，取出需要更换的保险丝才能将新 的保险丝更换上去， 然后通过密封胶进行密封胶固， 更换非常的麻 烦， 二是汽车工作时是振动的， 时间久了， 其振动可能会使得密封 胶固效果不好， 其密封盖和保险丝插入孔端口之间出现间隙， 从而 密封效果不好。 发明内容
本发明的目的是针对现有的技术存在上述问题， 提出了一种 密封性好从而更好地保护保险丝及继电器内的各元件以延长继电 器的使用寿命， 同时更换保险丝方便、 快捷的密封式带保险装置 的汽车继电器。
本发明的目的可通过下列技术方案来实现： 一种密封式带保 险装置的汽车继电器， 包括继电器主体和保险装置， 继电器主体 包括基座、 罩壳和设置在基座上的弱电系统、 强电系统， 所述的 罩壳固连在基座上， 所述的保险装置包括两个设置在基座上的保 险丝插座和插在两个保险插座间的保险丝， 罩壳顶部与两个保险 丝插座对应处设置有保险丝插入孔，插入孔中插入上述的保险丝， 其特征在于： 所述保险丝插入孔的端口处设有密封盖， 所述的密 封盖密封连接在保险丝插入孔的端口上且密封盖的内腔与保险丝 插入孔形成密封空腔， 上述的保险丝位于密封空腔中。
弱电系统包括铁芯、 线圈、 轭铁、 衔铁和衔铁压簧， 一个保 险丝插座上部为插接件， 下部为固定件， 固定件固定在轭铁上， 另一个保险丝插座上部为插接件且该插接件与轭铁间设置有绝缘 隔片， 下部带一电源插脚和固定脚， 其电源插脚穿过基座而限位 在基座上， 固定脚插在基座上。保险丝插座的上部为标准插接件， 固定脚固定在基座的角上。
在上述的一种密封式带保险装置的汽车继电器中， 所述的保 险丝插入孔的端口向上凸起形成具有上部和下部的凸起部， 上部 和下部之间设有外台阶， 外台阶上套设有密封圈， 所述的密封盖 包括上端部和下端部， 上端部和下端部之间设有内台阶， 当密封 盖固定安装在凸起部上时， 其密封圈被压紧连接在外台阶和内台 阶之间使密封盖和保险丝插入孔端口形成密封连接。
在上述的一种密封式带保险装置的汽车继电器中， 所述的密 封盖和凸起部通过卡扣结构固定安装连接。
在上述的一种密封式带保险装置的汽车继电器中， 所述的卡 扣结构包括分别固连在凸起部下部两端侧壁上的两凸块和分别开 设在密封盖下端部两端侧壁上的两卡槽， 所述的两卡槽能分别卡 扣在所述的两凸块上使密封盖固定安装在凸起部上。
卡扣结构固定安装方式使得密封盖和凸起部之间可拆卸， 便 于保险丝的方便、 快捷更换， 同时还能提高外台阶和内台阶对密 封圈的压紧密封效果， 提高密封性。
在上述的一种密封式带保险装置的汽车继电器中， 所述的两 凸块的上端面为倾斜的导向面， 上述的两卡槽能分别在两凸块的 导向面的导向作用下滑入到两凸块中形成卡扣连接。
导向面起到很好的导向作用， 方便密封盖固定安装到凸起部 上。 在上述的一种密封式带保险装置的汽车继电器中， 所述的罩 壳通过卡接结构固连在基座上。
在上述的一种密封式带保险装置的汽车继电器中， 所述的卡 接结构包括分别固连在基座两正对侧壁上的两条形卡块和分别开 设在罩壳端口处内侧壁上与上述两条形卡块相对应的两凹槽， 罩 壳端口处内侧壁上其凹槽与端口之间设有倾斜的导向斜面， 卡接 连接时， 其两条形卡块能分别沿着两导向斜面滑入到罩壳端口处 内侧壁上两凹槽中形成卡接连接。
卡接结构固连方式使得罩壳和基座可拆卸， 同时使得罩壳和 基座之间具有很好的固定安装效果。其导向斜面的良好导向作用， 方便两条形卡块方便卡入到两凹槽中， 使罩壳方便、 快捷地固定 安装到罩壳上。
在上述的一种密封式带保险装置的汽车继电器中， 所述的罩 壳为透明罩壳或不透明罩壳。
透明罩壳可以帮助人们不用打开罩壳即可方便了解基座上的 各元件的情况， 便于及时发现各元件出现的问题。
与现有技术相比， 本密封式带保险装置的汽车继电器具有如 下几个优点：
1、密封圈直接套入到凸起部的外台阶上， 当密封盖卡扣安装 在凸起部上时， 其密封圈位于凸起部的外台阶和密封盖的内台阶 之间且被它们压紧密封，使得密封盖与凸起部紧密地结合在一起。 密封圈的紧压、 罩壳凸起部与密封盖之间的紧密结合起到了密封 双保险， 大大提高了继电器的密封性， 很好地解决了继电器的密 封功能。 同时也解决了安装空间小的困难， 既不会增大继电器体 积也不会增加接触电阻， 并能够承受一定的振动， 结构合理， 固 定效果好， 安装和使用方便， 可靠性高；
2、保险丝密封安装在密封盖内腔和保险丝插入孔形成的密封 空腔中， 使其免除外界恶劣环境的影响， 同时密封盖和罩壳凸起 部的可拆卸卡扣连接使得保险丝更换更为的方便、 快捷；
3、紧压密封圈方式替代了以往密封是采用密封胶的方式， 防 止振动或者插脚经常插拔而影响甚至松动造成接触不可靠等等， 保证保险丝在盐雾、 潮湿空气的环境下也能稳定而可靠地工作；
4、通用性强， 能够在已有的继电器产品中直接添加保险密封 装置， 提高了产品的合格率， 也提高了产品的标准化程度。 生产 效率高， 节省了成本。 附图说明
图 1是本发明的立体结构示意图。
图 2是本发明的另一结构示意图。
图 3是本发明的剖视图。
图中， 1、 基座； 2、 罩壳； 3、 保险丝； 4、 保险丝插入孔； 5、 密封盖； 51、 上端部； 52、 下端部； 53、 内台阶； 54、 卡槽； 6、 凸起部； 61、 上部； 62、 下部； 63、 外台阶； 64、 凸块； 65、 导 向面； 7、 密封圈； 8、 条形卡块； 9、 凹槽； 10、 导向斜面。 具体实施方式
以下是本发明的具体实施例并结合附图， 对本发明的技术方 案作进一步的描述， 但本发明并不限于这些实施例。
如图 1、 2和 3所示， 本密封式带保险装置的汽车继电器包括 继电器主体和保险装置， 继电器主体包括基座 1、 罩壳 2和设置 在基座 1上的弱电系统、 强电系统， 罩壳 2固连在基座 1上， 保 险装置包括两个设置在基座 1上的保险丝插座和插在两个保险插 座间的保险丝 3， 罩壳 2顶部与两个保险丝插座对应处设置有保 险丝插入孔 4， 插入孔中插入保险丝 3， 保险丝插入孔 4的端口处 设有密封盖 5， 保险丝插入孔 4的端口向上凸起形成具有上部 61 和下部 62的凸起部 6， 上部 61和下部 62之间设有外台阶 63， 外 台阶 63上套设有密封圈 7，密封盖 5包括上端部 51和下端部 52， 上端部 51和下端部 52之间设有内台阶 53， 当密封盖 5固定安装 在凸起部 6上时， 其密封圈 7被压紧连接在外台阶 63和内台阶 53之间使密封盖 5和保险丝插入孔 4端口形成密封连接进而使密 封盖 5的内腔与保险丝插入孔 4形成密封空腔， 保险丝 3位于密 封空腔中。
进一步的，密封盖 5和凸起部 6通过卡扣结构固定安装连接。 卡扣结构包括分别固连在凸起部 6 下部 62 两端侧壁上的两凸块 64和分别开设在密封盖 5下端部 52两端侧壁上的两卡槽 54， 两 凸块 64 的上端面为倾斜的导向面 65， 密封盖 5安装到凸起部 6 上时，两卡槽 54能分别在两凸块 64的导向面 65的导向作用下滑 入到两凸块 64 中形成卡扣连接使密封盖 5 固定安装在凸起部 6 上。 密封盖 5和凸起部 6之间为可拆卸固定连接， 密封安装时， 密封盖 5能压紧卡扣固连到罩壳 2的凸起部 6上， 其密封圈 7位 于凸起部 6的外台阶 63和密封盖 5的内台阶 53之间且被外台阶 63和内台阶 53压紧变形密封， 同时密封盖 5和凸起部 6紧密地 结合， 具有密封双保险， 提高继电器的密封性， 防止外界恶劣环 境对保险丝 3及继电器内的各元件构成影响； 同时当需要更换保 险丝 3时， 只需将密封盖 5从凸起部 6上拆卸下来， 更换好新的 保险丝 3后再重新卡扣安装上即可， 方便、 快捷且效果好。
进一步的， 罩壳 2通过卡接结构固连在基座 1上。 卡接结构 包括分别固连在基座 1两正对侧壁上的两条形卡块 8和分别开设 在罩壳 2端口处内侧壁上与两条形卡块 8相对应的两凹槽 9， 罩 壳 2 端口处内侧壁上其凹槽 9 与端口之间设有倾斜的导向斜面 10， 罩壳 2安装到基座 1上时， 其两条形卡块 8能分别沿着两导 向斜面 10滑入到两凹槽 9中形成卡接连接使罩壳 2固定安装在基 座 1上。 罩壳 2和基座 1之间为可拆卸固连， 在生产和组装时， 罩壳 2可以卡接结构固定安装到基座 1上，当需要打开罩壳 2时， 也可以通过卡接结构将罩壳 2从基座 1上拆卸下来。
本实施例中的罩壳 2为透明罩壳。 透明罩壳可以帮助人们不 用打开罩壳 2即可方便了解基座 1上的各元件的情况， 便于及时 发现各元件出现的问题。 本实施例中的罩壳 2还可以为不透明罩 壳。
本文中所描述的具体实施例仅仅是对本发明精神作举例说 明。 本发明所属技术领域的技术人员可以对所描述的具体实施例 做各种各样的修改或补充或采用类似的方式替代， 但并不会偏离 本发明的精神或者超越所附权利要求书所定义的范围。
尽管本文较多地使用了基座 1、 罩壳 2、 保险丝 3、 保险丝插 入孔 4、 密封盖 5、 上端部 5 1、 下端部 52、 内台阶 53、 卡槽 54、 凸起部 6、 上部 6 1、 下部 62、 外台阶 63、 凸块 64、 导向面 65、 密封圈 7、 条形卡块 8、 凹槽 9、 导向斜面 10等术语， 但并不排 除使用其它术语的可能性。 使用这些术语仅仅是为了更方便地描 述和解释本发明的本质； 把它们解释成任何一种附加的限制都是 与本发明精神相违背的。

Claims

1、一种密封式带保险装置的汽车继电器， 包括继电器主体和 保险装置， 继电器主体包括基座（1)、罩壳（2)和设置在基座（1) 上的弱电系统、 强电系统， 所述的罩壳 （2) 固连在基座 （1) 上， 所述的保险装置包括两个设置在基座（1)上的保险丝插座和插在 两个保险插座间的保险丝 （3)， 罩壳 （2) 顶部与两个保险丝插座 对应处设置有保险丝插入孔（4)，插入孔中插入上述的保险丝（3)， 其特征在于： 所述保险丝插入孔 （4) 的端口处设有密封盖 （5)， 所述的密封盖 （5) 密封连接在保险丝插入孔 （4) 的端口上且密 封盖 （5) 的内腔与保险丝插入孔 （4) 形成密封空腔， 上述的保 险丝 （3) 位于密封空腔中。
2、根据权利要求 1所述的一种密封式带保险装置的汽车继电 器， 其特征在于， 所述的保险丝插入孔 （4) 的端口向上凸起形成 具有上部 （61) 和下部 （62) 的凸起部 （6)， 上部 （61) 和下部
(62)之间设有外台阶（63)， 外台阶（63)上套设有密封圈 （7)， 所述的密封盖（5)包括上端部（51)和下端部（52)， 上端部（51) 和下端部 （52) 之间设有内台阶 （53)， 当密封盖 （5) 固定安装 在凸起部 （6) 上时， 其密封圈 （7) 被压紧连接在外台阶 （63) 和内台阶 （53) 之间使密封盖 （5) 和保险丝插入孔 （4) 端口形 成密封连接。
3、根据权利要求 2所述的一种密封式带保险装置的汽车继电 器， 其特征在于， 所述的密封盖 （5) 和凸起部 （6) 通过卡扣结 构固定安装连接。
4、根据权利要求 3所述的一种密封式带保险装置的汽车继电 器， 其特征在于， 所述的卡扣结构包括分别固连在凸起部 （6) 下 部 （62) 两端侧壁上的两凸块 （64) 和分别开设在密封盖 （5) 下 端部 （52) 两端侧壁上的两卡槽 （54)， 所述的两卡槽 （54) 能分 别卡扣在所述的两凸块 （64) 上使密封盖 （5) 固定安装在凸起部
(6) 上。 5、根据权利要求 4所述的一种密封式带保险装置的汽车继电 器， 其特征在于， 所述的两凸块 （64) 的上端面为倾斜的导向面
(65)， 上述的两卡槽（54)能分别在两凸块（64) 的导向面（65) 的导向作用下滑入到两凸块 （64) 中形成卡扣连接。
6、根据权利要求 1所述的一种密封式带保险装置的汽车继电 器， 其特征在于， 所述的罩壳 （2) 通过卡接结构固连在基座 （1) 上。
7、根据权利要求 6所述的一种密封式带保险装置的汽车继电 器， 其特征在于， 所述的卡接结构包括分别固连在基座 （1) 两正 对侧壁上的两条形卡块 （8) 和分别开设在罩壳 （2) 端口处内侧 壁上与上述两条形卡块 （8) 相对应的两凹槽 （9)， 罩壳 （2) 端 口处内侧壁上其凹槽（9)与端口之间设有倾斜的导向斜面（10)， 卡接连接时， 其两条形卡块 （8) 能分别沿着两导向斜面 （10) 滑 入到罩壳 （2) 端口处内侧壁上两凹槽 （9) 中形成卡接连接。
8、 根据权利要求 1〜7任一项所述的一种密封式带保险装置 的汽车继电器， 其特征在于， 所述的罩壳 （2) 为透明罩壳或不透 明罩壳。
PCT/CN2012/078957 2012-07-20 2012-07-20 一种密封式带保险装置的汽车继电器 WO2014012253A1 (zh)

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