CN106449260A - Rain cover of outdoor isolating switch - Google Patents
Rain cover of outdoor isolating switch Download PDFInfo
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- CN106449260A CN106449260A CN201610848747.1A CN201610848747A CN106449260A CN 106449260 A CN106449260 A CN 106449260A CN 201610848747 A CN201610848747 A CN 201610848747A CN 106449260 A CN106449260 A CN 106449260A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000009434 installation Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- 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
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
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- Outer Garments And Coats (AREA)
Abstract
本发明公开了一种户外隔离开关的防雨罩，解决了防雨罩的防雨效果差的问题，解决该问题的技术方案主要包括伞罩，所述伞罩的底部设有防水帘、卷帘轴、叶轮和储水槽，卷帘轴转动连接于伞罩上，防水帘的一端卷于卷帘轴上、另一端从伞罩的底部边缘伸出伞罩，叶轮设于储水槽中，叶轮上设有轮轴，轮轴上设有丝杠和花键齿，卷帘轴上设有花键槽以及与丝杠啮合的连接套，连接套带动卷帘轴轴向移动使花键齿卡入花键槽中。本发明中的防雨罩有效避免伞罩侧面的雨水渗入或淋湿操作机构，提高防雨效果，同时也将流动的雨水作为防水帘展开的动力，节能减排。
The invention discloses a rainproof cover for an outdoor isolating switch, which solves the problem that the rainproof effect of the rainproof cover is poor. Curtain shaft, impeller and water storage tank, the roller shutter shaft is connected to the umbrella cover in rotation, one end of the waterproof curtain is rolled on the roller shutter shaft, and the other end extends out of the umbrella cover from the bottom edge of the umbrella cover, the impeller is set in the water storage tank, the impeller There is a wheel shaft on the wheel shaft, a lead screw and spline teeth are set on the wheel shaft, a spline groove and a connecting sleeve engaged with the lead screw are arranged on the roller shaft, and the connecting sleeve drives the roller blind shaft to move axially so that the spline teeth snap into the spline groove middle. The rainproof cover in the present invention effectively prevents the rainwater from penetrating into the side of the umbrella cover or drenching the operating mechanism, improves the rainproof effect, and also uses the flowing rainwater as the power to expand the waterproof curtain, saving energy and reducing emissions.
Description
技术领域technical field
本发明涉及一种防雨罩，尤其涉及一种户外隔离开关的防雨罩。The invention relates to a rainproof cover, in particular to a rainproof cover for an outdoor isolating switch.
背景技术Background technique
隔离开关是变电站的重要电气设备，在电力系统中起着隔离电源、改变系统运行方式、开断小负荷电流、进行倒闸操作等重要作用。隔离开关如果出现问题，将直接影响到电力系统的供电可靠性和安全性，目前绝大多数变电站都是综合自动化变电站，户外隔离开关外侧设有一个铁质圆筒形的外罩，该外罩在一定程度上使隔离开关与外界隔离，但变电站长期运行，停电机会少，外罩不可能采取密封措施，故辅助开关本体与大气直接接触，阴雨天气时由于雨水渗进操作机构中，使直流系统接地或二次电压接地短路。The isolating switch is an important electrical equipment in the substation. It plays an important role in isolating the power supply, changing the system operation mode, breaking the small load current, and performing switching operations in the power system. If there is a problem with the isolating switch, it will directly affect the reliability and safety of the power supply of the power system. At present, most substations are comprehensive automation substations. There is an iron cylindrical cover on the outside of the outdoor isolating switch. To a certain extent, the isolating switch is isolated from the outside world, but the long-term operation of the substation will cause less power failure, and it is impossible to take sealing measures for the outer cover, so the auxiliary switch body is in direct contact with the atmosphere. In rainy weather, due to rainwater seeping into the operating mechanism, the DC system is grounded or The secondary voltage is shorted to ground.
现有技术是在隔离开关上设置防雨罩，但此种防雨罩只能应对无风状态下的雨天，若在有风且雨速较大时，雨水会从防雨罩的侧面将隔离开关淋湿，引起直流系统接地或二次电压接地短路，因此发展一种专门针对户外隔离开关的防雨罩是十分必要的。The existing technology is to install a rainproof cover on the isolating switch, but this kind of rainproof cover can only deal with rainy days in a windless state. If there is wind and the rain speed is high, the rain will be isolated from the side of the rainproof cover. If the switch gets wet, it will cause a short circuit to the DC system ground or the secondary voltage ground. Therefore, it is necessary to develop a rainproof cover specially for outdoor isolating switches.
发明内容Contents of the invention
本发明要达到的目的就是提供一种户外隔离开关的防雨罩，所述防雨罩的防雨效果好。The purpose of the present invention is to provide a rainproof cover for an outdoor isolating switch, and the rainproof cover has a good rainproof effect.
为了达到上述目的，本发明采用如下技术方案：一种户外隔离开关的防雨罩，包括伞罩，所述伞罩的底部设有防水帘、卷帘轴、叶轮和储水槽，卷帘轴转动连接于伞罩上，防水帘的一端卷于卷帘轴上、另一端从伞罩的底部边缘伸出伞罩，叶轮设于储水槽中，叶轮上设有轮轴，轮轴上设有丝杠和花键齿，卷帘轴上设有花键槽以及与丝杠啮合的连接套，连接套带动卷帘轴轴向移动使花键齿卡入花键槽中。In order to achieve the above object, the present invention adopts the following technical solutions: a rainproof cover for an outdoor isolating switch, including an umbrella cover, the bottom of the umbrella cover is provided with a waterproof curtain, a roller shutter shaft, an impeller and a water storage tank, and the roller shutter shaft rotates Connected to the umbrella cover, one end of the waterproof curtain is rolled on the roller shade shaft, the other end protrudes from the bottom edge of the umbrella cover, the impeller is set in the water storage tank, the impeller is equipped with a wheel shaft, and the wheel shaft is equipped with a screw and The spline teeth are provided with a spline groove and a connecting sleeve engaged with the lead screw on the roller shade shaft. The connector sleeve drives the roller shade shaft to move axially so that the spline teeth snap into the spline groove.
进一步的，所述伞罩上设有引流槽，引流槽的底壁倾斜设置，引流槽较低的一端与储水槽连通。Further, the umbrella cover is provided with a drainage groove, the bottom wall of the drainage groove is inclined, and the lower end of the drainage groove communicates with the water storage tank.
进一步的，所述引流槽上设有遮挡盖，遮挡盖卡接于伞罩上，遮挡盖与伞罩之间留有间隙。Further, a shielding cover is provided on the drainage groove, and the shielding cover is clamped on the umbrella cover, leaving a gap between the shielding cover and the umbrella cover.
进一步的，所述伞罩为四棱柱结构，储水槽位于伞罩的棱上，储水槽的底部设有排水孔。Further, the umbrella cover is a quadrangular prism structure, the water storage tank is located on the edge of the umbrella cover, and the bottom of the water storage tank is provided with drainage holes.
进一步的，所述伞罩上还设有发条驱动机构，发条驱动机构的输入端与轮轴连接，发条驱动机构的输出端与卷帘轴连接，发条驱动机构带动卷帘轴向卷帘方向转动。Further, the umbrella cover is also provided with a clockwork driving mechanism, the input end of the clockwork driving mechanism is connected to the wheel shaft, the output end of the clockwork driving mechanism is connected to the roller shade shaft, and the clockwork driving mechanism drives the roller blind to roll axially. Curtain direction rotation.
进一步的，所述防水帘的自由端设有钢棒，卷帘轴上设有磁铁，花键齿在卷帘轴向叶轮方向移动时拨动钢棒脱离磁铁。Further, the free end of the waterproof curtain is provided with a steel rod, and the roller shutter shaft is provided with a magnet, and the spline teeth move the steel rod away from the magnet when the roller shutter axially moves towards the impeller.
进一步的，所述伞罩由第一伞罩和第二伞罩拼接而成，第一伞罩的顶部设有第一固定部，第二伞罩的顶部设有第二固定部，第一固定部和第二固定部通过螺栓连接，第一伞罩上设有向第二伞罩延伸的凸台，第二伞罩上设有与凸台配合的凹槽。Further, the umbrella cover is spliced by the first umbrella cover and the second umbrella cover, the top of the first umbrella cover is provided with a first fixing part, the top of the second umbrella cover is provided with a second fixing part, and the first fixing part The first umbrella cover is provided with a boss extending to the second umbrella cover, and the second umbrella cover is provided with a groove matching the boss.
进一步的，所述凸台面向第二伞罩的一侧设有第一倾斜面，凹槽的底壁设有第二倾斜面，第一倾斜面贴合于第二倾斜面。Further, the side of the boss facing the second umbrella cover is provided with a first inclined surface, the bottom wall of the groove is provided with a second inclined surface, and the first inclined surface is attached to the second inclined surface.
进一步的，所述伞罩内设有安装通孔，安装通孔内设有止水件，止水件为环形结构且紧贴安装通孔的孔壁。Further, the umbrella cover is provided with an installation through hole, and a water stop is provided in the installation through hole, and the water stop has a ring structure and is close to the hole wall of the installation through hole.
进一步的，所述安装通孔的孔壁上设有开口槽，止水件伸入开口槽中并与开口槽的槽壁密封连接，开口槽上设有与储水槽连通的引流通道。Further, the wall of the installation through hole is provided with an open groove, the water stop member protrudes into the open groove and is sealingly connected with the groove wall of the open groove, and the open groove is provided with a drainage channel communicating with the water storage tank.
采用上述技术方案后，本发明具有如下优点：After adopting the technical scheme, the present invention has the following advantages:
1、首先，防水帘从伞罩的下边缘伸出，遮挡来自伞罩侧面的雨水，有效避免雨水渗入或淋湿操作机构而引起的直流系统接地或者二次电压接地短路；其次，储水槽中储存雨水，流动的雨水带动叶轮转动，转动的叶轮带动卷帘轴转动以实现防水帘的展开，故将流动的雨水作为防水帘展开的动力，节能减排；最后，丝杠与连接套啮合传动，丝杠转动使连接套带动卷帘轴轴向移动，卷帘轴轴向移动后使花键齿卡入花键槽中带动卷帘轴转动，此时转动的卷帘轴使缠绕在卷帘轴上的防水帘展开，叶轮转动到卷帘轴转动有一个过渡期，即储水槽中的雨水带动叶轮转动一段时间后才能使防水帘展开，避免防水帘展开过于灵敏而减少其使用寿命，保证雨量足够大后防水帘才展开。1. First, the waterproof curtain protrudes from the lower edge of the umbrella cover to block the rainwater from the side of the umbrella cover, effectively avoiding the grounding of the DC system or the secondary voltage grounding short circuit caused by rainwater infiltrating or wetting the operating mechanism; secondly, in the water storage tank Store rainwater, the flowing rainwater drives the impeller to rotate, and the rotating impeller drives the roller blind shaft to rotate to realize the unfolding of the waterproof curtain, so the flowing rainwater is used as the power to expand the waterproof curtain, which saves energy and reduces emissions; finally, the screw and the connecting sleeve engage and drive , the rotation of the lead screw makes the connecting sleeve drive the roller blind shaft to move axially. After the roller blind shaft moves axially, the spline teeth are inserted into the spline groove to drive the roller blind shaft to rotate. At this time, the rotating roller blind shaft makes the roller blind shaft wound When the waterproof curtain on the top is unfolded, there is a transition period between the rotation of the impeller and the rotation of the roller shutter shaft, that is, the rainwater in the water storage tank drives the impeller to rotate for a period of time before the waterproof curtain can be unfolded, so as to prevent the waterproof curtain from being too sensitive and reduce its service life, and ensure the rainfall The waterproof curtain is not unfolded until it is large enough.
2、引流槽的底壁倾斜设置，引流槽较低的一端与储水槽连通，使引流槽中的水快速流向储水槽中，同时水流流速的增加加快叶轮转动，提高防水帘展开的效率。2. The bottom wall of the drainage tank is inclined, and the lower end of the drainage tank is connected to the water storage tank, so that the water in the drainage tank can quickly flow into the water storage tank. At the same time, the increase of the water flow speed accelerates the rotation of the impeller and improves the efficiency of the waterproof curtain.
3、引流槽上设有遮挡盖，避免引流槽外露而使外界的枯枝落叶堵塞引流槽，也提高伞罩表面的整体性，遮挡盖卡接于伞罩上，方便引流槽和储水槽在堵塞后进行疏通，遮挡盖与伞罩之间留有间隙，保证落于伞罩表面的雨水通过间隙流入引流槽中。3. There is a shielding cover on the drainage groove to prevent the drainage groove from being exposed and make the outside litter block the drainage groove, and also improve the integrity of the surface of the umbrella cover. The shielding cover is snapped on the umbrella cover to facilitate the drainage groove and water storage tank After the blockage is dredged, a gap is left between the shielding cover and the umbrella cover to ensure that the rainwater falling on the surface of the umbrella cover flows into the drainage groove through the gap.
4、所述储水槽设于伞罩的棱上，则两个相邻的卷帘轴可共用一个储水槽，不仅减少储水槽的开设，而且增加流向储水槽的流量，进一步提高叶轮的转速，同时储水槽的底部设有排水孔，使储水槽中的雨水及时排出，利于叶轮旋转。4. The water storage tank is set on the edge of the umbrella cover, so two adjacent roller shutter shafts can share a water storage tank, which not only reduces the opening of the water storage tank, but also increases the flow to the water storage tank, and further increases the speed of the impeller. At the same time, the bottom of the water storage tank is provided with drainage holes, so that the rainwater in the water storage tank can be discharged in time, which is beneficial to the rotation of the impeller.
5、轮轴转动使发条驱动机构进行储能，当雨水停止或者降雨量变小时，发条驱动机构的输出端带动卷帘轴向卷帘方向转动，保证雨停后卷帘轴对防水帘及时收纳。5. The rotation of the wheel shaft enables the mainspring drive mechanism to store energy. When the rain stops or the rainfall becomes smaller, the output end of the mainspring drive mechanism drives the roller blind to rotate in the direction of the roller blind to ensure that the roller blind shaft can be stored in time for the waterproof curtain after the rain stops. .
附图说明Description of drawings
下面结合附图对本发明作进一步说明：The present invention will be further described below in conjunction with accompanying drawing:
图1为实施例一中防雨罩的俯视图；Fig. 1 is the top view of rainproof cover among the embodiment one;
图2为实施例一中防雨罩的侧视图；Fig. 2 is the side view of rainproof cover among the embodiment one;
图3为实施例一中卷帘轴与叶轮和发条驱动机构的连接结构示意图；Fig. 3 is a schematic diagram of the connection structure between the roller blind shaft, the impeller and the mainspring driving mechanism in the first embodiment;
图4为实施例二中第一伞罩和第二伞罩拆卸分开后的结构示意图。Fig. 4 is a schematic structural diagram of the first umbrella cover and the second umbrella cover after being disassembled and separated in the second embodiment.
具体实施方式detailed description
实施例一Embodiment one
本实施例提供一种户外隔离开关的防雨罩，如图1至图3所述，包括伞罩1，所述伞罩1的底部设有防水帘2、卷帘轴3、叶轮4和储水槽9，卷帘轴3转动连接于伞罩1上，防水帘2的一端卷于卷帘轴3上、另一端从伞罩1的底部边缘伸出伞罩1，叶轮4设于储水槽9中，叶轮4上设有轮轴5，轮轴5上设有丝杠52和花键齿51，卷帘轴3上设有花键槽以及与丝杠52啮合的连接套31，连接套31带动卷帘轴3轴向移动使花键齿51卡入花键槽中。This embodiment provides a rainproof cover for an outdoor isolating switch, as shown in Figures 1 to 3, including an umbrella cover 1, and the bottom of the umbrella cover 1 is provided with a waterproof curtain 2, a roller shutter shaft 3, an impeller 4 and a storage The water tank 9, the roller shutter shaft 3 is rotatably connected to the umbrella cover 1, one end of the waterproof curtain 2 is rolled on the roller shutter shaft 3, and the other end extends out of the umbrella cover 1 from the bottom edge of the umbrella cover 1, and the impeller 4 is arranged in the water storage tank 9 Among them, the impeller 4 is provided with a wheel shaft 5, the wheel shaft 5 is provided with a lead screw 52 and a spline tooth 51, the roller shutter shaft 3 is provided with a spline groove and a connecting sleeve 31 meshing with the lead screw 52, and the connecting sleeve 31 drives the roller blind The axial movement of the shaft 3 causes the spline teeth 51 to snap into the spline grooves.
首先，防水帘2从伞罩1的底部边缘伸出，遮挡来自侧面的雨水，有效避免雨水渗入或淋湿操作机构而引起的直流系统接地或者二次电压接地短路；其次，储水槽9中储存雨水，流动的雨水带动叶轮4转动，转动的叶轮4带动卷帘轴3转动以实现防水帘2的展开，故将流动的雨水作为防水帘2展开的动力，节能减排；最后，丝杠52与连接套31啮合传动，丝杠52转动使连接套31带动卷帘轴3轴向移动，卷帘轴3轴向移动后使花键齿51卡入花键槽中带动卷帘轴3转动，此时转动的卷帘轴3使缠绕在卷帘轴3上的防水帘2展开，叶轮4转动到卷帘轴3转动有一个过渡期，即储水槽9中的雨水带动叶轮4转动一段时间后才能使防水帘2展开，避免防水帘2展开过于灵敏而减少其使用寿命，保证雨量足够大后才使防水帘展开。First of all, the waterproof curtain 2 protrudes from the bottom edge of the umbrella cover 1 to block the rainwater from the side, effectively avoiding the grounding of the DC system or the grounding of the secondary voltage caused by the rainwater infiltrating or wetting the operating mechanism; secondly, the storage tank 9 stores Rainwater, the flowing rainwater drives the impeller 4 to rotate, and the rotating impeller 4 drives the shutter shaft 3 to rotate to realize the expansion of the waterproof curtain 2, so the flowing rainwater is used as the power for the expansion of the waterproof curtain 2 to save energy and reduce emissions; finally, the screw 52 Mesh and drive with the connecting sleeve 31, the screw 52 rotates to make the connecting sleeve 31 drive the rolling shaft 3 to move axially, and after the rolling shaft 3 moves axially, the spline teeth 51 are inserted into the spline groove to drive the rolling shaft 3 to rotate. The shutter shaft 3 that rotates at the same time makes the waterproof curtain 2 wound on the shutter shaft 3 unfold, and there is a transition period when the impeller 4 rotates to the rotation of the shutter shaft 3, that is, the rainwater in the water storage tank 9 drives the impeller 4 to rotate for a period of time before it can The waterproof curtain 2 is launched to prevent the waterproof curtain 2 from being too sensitive and reduce its service life, and the waterproof curtain is launched after the rainfall is large enough.
伞罩1上设有引流槽7，引流槽7的底壁倾斜设置，引流槽7较低的一端与储水槽9连通，使引流槽7中的水快速流向储水槽9中，同时水流流速的增加加快叶轮4的转动，提高防水帘2展开的效率。引流槽7上设有遮挡盖8，避免引流槽7外露而使外界的枯枝落叶堵塞引流槽7，也提高伞罩1表面的整体性，遮挡盖8卡接于伞罩1上，方便引流槽7和储水槽9在堵塞后进行疏通，遮挡盖8与伞罩1之间留有间隙，保证落于伞罩1表面的雨水通过间隙流入引流槽7中。Umbrella cover 1 is provided with drainage groove 7, and the bottom wall of drainage groove 7 is inclinedly arranged, and the lower end of drainage groove 7 is communicated with water storage tank 9, makes the water in drainage groove 7 quickly flow in the water storage groove 9, and simultaneously the water flow velocity Increase and accelerate the rotation of impeller 4, improve the efficiency that waterproof curtain 2 is launched. The drainage groove 7 is provided with a shielding cover 8 to prevent the drainage groove 7 from being exposed so that the outside litter blocks the drainage groove 7, and also improves the integrity of the surface of the umbrella cover 1. The shielding cover 8 is snapped on the umbrella cover 1 to facilitate drainage Groove 7 and water storage tank 9 are dredged after clogging, leave gap between shield cover 8 and umbrella cover 1, guarantee that the rainwater that falls on umbrella cover 1 surface flows in the drainage groove 7 through gap.
伞罩1为四棱柱结构，则伞罩1的四个底边分别设置卷帘轴3，四个底边上的防水帘2相互独立，根据各个方向的雨量决定各个防水帘2的展开，各个防水帘2独立运行避免防水帘2无效展开而降低防水帘2的使用寿命，储水槽9位于伞罩1的棱上，则两个相邻的卷帘轴3可共用一个储水槽9，不仅减少储水槽9的开设，而且增加流向储水槽9的流量，进一步提高叶轮4的转速，同时储水槽9的底部设有排水孔，使储水槽9中的雨水及时排出，利于叶轮4旋转。The umbrella cover 1 is a quadrangular prism structure, and the four bases of the umbrella cover 1 are respectively provided with roller shutter shafts 3, and the waterproof curtains 2 on the four bases are independent of each other, and the expansion of each waterproof curtain 2 is determined according to the rainfall in each direction. The waterproof curtain 2 operates independently to avoid the invalid deployment of the waterproof curtain 2 and reduce the service life of the waterproof curtain 2. The water storage tank 9 is located on the edge of the umbrella cover 1, and two adjacent roller shutter shafts 3 can share a water storage tank 9, which not only reduces The opening of the water storage tank 9 increases the flow to the water storage tank 9, and further improves the rotating speed of the impeller 4. Meanwhile, the bottom of the water storage tank 9 is provided with drain holes, so that the rainwater in the water storage tank 9 is discharged in time, which is beneficial to the rotation of the impeller 4.
伞罩1上还设有发条驱动机构6，发条驱动机构6的输入端与轮轴5连接，发条驱动机构6的输出端与卷帘轴3连接，轮轴5转动使发条驱动机构6进行储能，当雨水停止或者降雨量变小时，发条驱动机构6的输出端带动卷帘轴3向卷帘方向转动，保证雨停后卷帘轴3对防水帘2及时收纳。The umbrella cover 1 is also provided with a clockwork driving mechanism 6, the input end of the clockwork driving mechanism 6 is connected with the wheel shaft 5, the output end of the clockwork driving mechanism 6 is connected with the shutter shaft 3, and the wheel shaft 5 rotates to make the clockwork driving mechanism 6 Energy storage is carried out, when the rain stops or the rainfall becomes smaller, the output end of the clockwork driving mechanism 6 drives the shutter shaft 3 to rotate in the direction of the shutter, ensuring that the shutter shaft 3 is promptly accommodated to the waterproof curtain 2 after the rain stops.
防水帘2的自由端设有钢棒10，方便防水帘2的展开，同时避免外界风力作用而使防水帘2飘动，保证防水帘2的防水效果，卷帘轴3上设有磁铁32，防水帘2卷于卷帘轴3时磁铁32吸住钢棒10，避免钢棒10由于重力作用带动防水帘2展开，花键齿51在卷帘轴3向叶轮方向移动时拨动钢棒10脱离磁铁32，即当轮轴5转动带动卷帘轴3轴向移动时，卷帘轴3向花键齿51靠近，花键齿51抵在钢板上使钢棒10轴向移动并与磁铁32脱离，钢棒10受到重力作用而向下运动，便于防水帘2顺利展开。The free end of waterproof curtain 2 is provided with steel rod 10, facilitates the expansion of waterproof curtain 2, avoids external wind effect simultaneously and makes waterproof curtain 2 flutter, guarantees the waterproof effect of waterproof curtain 2, is provided with magnet 32 on the shutter shaft 3, waterproof When the curtain 2 is rolled on the roller shutter shaft 3, the magnet 32 attracts the steel rod 10 to prevent the steel rod 10 from driving the waterproof curtain 2 to unfold due to gravity, and the spline teeth 51 move the steel rod 10 to disengage when the roller shutter shaft 3 moves to the direction of the impeller. The magnet 32, that is, when the wheel shaft 5 rotates to drive the shutter shaft 3 to move axially, the shutter shaft 3 approaches the spline teeth 51, and the spline teeth 51 are pressed against the steel plate to make the steel rod 10 move axially and separate from the magnet 32. The steel rod 10 moves downward under the action of gravity, which is convenient for the waterproof curtain 2 to unfold smoothly.
伞罩1由第一伞罩11和第二伞罩12拼接而成，方便伞罩1的安装与拆卸，第一伞罩11的顶部设有第一固定部111，第二伞罩12的顶部设有第二固定部121，第一固定部111和第二固定部121通过螺栓连接，保证伞罩1固定的可靠性，第一伞罩11上设有向第二伞罩12延伸的凸台112，第二伞罩12上设有与凸台112配合的凹槽122，凸台112与凹槽122配合，阻止从第一固定部111和第二固定部121之间流入的雨水进一下向下渗入，提高伞罩1内部的防水能力。凸台112面向第二伞罩12的一侧设有第一倾斜面，凹槽122的底壁设有第二倾斜面，第一倾斜面贴合于第二倾斜面，第一斜面和第二斜面作为凸台112与凹槽122安装的导向面，方便凸台112与凹槽122的安装。The umbrella cover 1 is spliced by the first umbrella cover 11 and the second umbrella cover 12, which facilitates the installation and disassembly of the umbrella cover 1. The top of the first umbrella cover 11 is provided with a first fixing part 111, and the top of the second umbrella cover 12 There is a second fixing part 121, the first fixing part 111 and the second fixing part 121 are connected by bolts to ensure the reliability of fixing the umbrella cover 1, and the first umbrella cover 11 is provided with a boss extending to the second umbrella cover 12 112, the second umbrella cover 12 is provided with a groove 122 that cooperates with the boss 112, and the boss 112 cooperates with the groove 122 to prevent the rainwater flowing from between the first fixing part 111 and the second fixing part 121 from entering downward Infiltrate down, improve the waterproof ability of umbrella cover 1 inside. The side of the boss 112 facing the second umbrella cover 12 is provided with a first inclined surface, the bottom wall of the groove 122 is provided with a second inclined surface, the first inclined surface is attached to the second inclined surface, the first inclined surface and the second inclined surface The inclined surface is used as a guide surface for the installation of the boss 112 and the groove 122 to facilitate the installation of the boss 112 and the groove 122 .
实施例二：Embodiment two:
本实施例提供一种户外隔离开关的防雨罩，如图4所述，伞罩1内设有供伞罩1安装的安装通孔13，安装通孔13内设有止水件131，止水件131为环形结构且紧贴安装通孔13的孔壁，提高伞罩1顶部的防水能力。安装通孔13的孔壁上设有开口槽132，止水件131伸入开口槽132并与开口槽的槽壁密封连接，开口槽132上设有与储水槽9连通的引流通道14，将位于止水件131上方的积水通过开口槽132和引流通道14及时排出，避免止水件131因受到积水作用变形过大而漏水。This embodiment provides a rainproof cover for an outdoor isolating switch. As shown in FIG. The water element 131 has an annular structure and is close to the wall of the installation through hole 13 to improve the waterproof capability of the top of the umbrella cover 1 . The hole wall of the installation through hole 13 is provided with an open groove 132, and the water stop member 131 stretches into the open groove 132 and is sealingly connected with the groove wall of the open groove. The accumulated water above the water stop 131 is discharged in time through the open groove 132 and the drainage channel 14, so as to prevent the water stop 131 from being deformed due to the water accumulation and causing water leakage.
其它未描述结构参考实施例一。For other undescribed structures, refer to Embodiment 1.
除上述优选实施例外，本发明还有其他的实施方式，本领域技术人员可以根据本发明作出各种改变和变形，只要不脱离本发明的精神，均应属于本发明权利要求书中所定义的范围。Except above-mentioned preferred embodiment, the present invention also has other implementation modes, those skilled in the art can make various changes and distortions according to the present invention, as long as not departing from the spirit of the present invention, all should belong to the defined in the claims of the present invention scope.
Claims (10)
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| CN109872915A (en) * | 2019-04-09 | 2019-06-11 | 国家电网有限公司 | A kind of isolating switch rain cover |
| CN111383854A (en) * | 2020-02-25 | 2020-07-07 | 国网浙江桐庐县供电有限公司 | Rainproof cover for transmission connecting rod and installation method of rainproof cover |
| CN116101857A (en) * | 2023-04-07 | 2023-05-12 | 河南远大岩土工程有限公司 | Building construction elevator protector |
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