一种主备电源切换装置

Abstract

本实用新型公开了一种主备电源切换装置，属于电源连接设备技术领域，该装置包括连接主备电源线路的装置壳体、旋杆及手握旋盘。旋盘由座体和两个滑动设于其两侧滑槽内的横移件构成，横移件与滑槽间设有弹簧，部分外露于旋盘侧面。横移件朝向壳体的一面设有插销，对应壳体表面设有带若干条槽的沉槽。当旋盘处于主或备电源位置时，弹簧使横移件处于自由状态，插销嵌入相应条槽实现机械锁定，有效防止振动或触碰导致的误切换，保障供电连续性。切换时，同步按压两个横移件，使插销从条槽滑入沉槽解锁，旋转旋盘至目标位置后释放，弹簧复位驱动插销弹入新条槽再次锁定。该设计锁定可靠，内置机构避免外露损坏，双横移件按压解锁确保操作安全严谨。

Claims

1. A main / standby power switching device, characterized in that: The device includes a housing for connecting main and backup power lines, a rotating rod extending from the front side of the housing, and a hand-held rotary disc coaxially mounted on the rotating rod. The hand-held rotary disc includes a disc-shaped base and two horizontal sliding members. The base is coaxially and fixedly connected to the rotating rod. The base has inwardly opening grooves on both sides. The horizontal sliding members are slidably disposed in the two grooves and partially exposed from the side of the hand-held rotary disc. A spring is provided to support the horizontal sliding members and the grooves. A pin is provided on the side of the horizontal sliding member facing the housing. A recess is provided on the surface of the housing facing the horizontal sliding member. Several grooves are opened on the edge of the recess. When the horizontal sliding member is in a free state and is rotated to the main power or backup power position, the pin is inserted into the corresponding groove. Pressing down the two horizontal sliding members causes the pin to slide out from the groove to the recess.

2. The master and standby power switching device according to claim 1, characterized by: Each of the transverse components includes two guide posts. The side of the transverse component away from the slide groove is an arc surface, and the side closer to the slide groove is a flat surface. The two guide posts are respectively fixed at both ends of the transverse component on the side closer to the slide groove. A guide groove is opened inward on the inner side of the slide groove, and the guide posts are slidably disposed in the guide groove.

3. The main / standby power switching device according to claim 2, characterized in that: The end of the guide post is enlarged, and the outlet of the guide groove is narrowed inward to form a protrusion that blocks the end of the guide post.

4. The master-slave power supply switching device according to claim 3, wherein: Each of the transverse components also includes a sliding post, which is fixed to the middle of the side of the transverse component near the sliding groove. A sliding hole is opened on the inner side of the sliding groove to cooperate with the sliding post. The sliding post slides into the sliding hole. An inset hole larger than the inner diameter of the sliding hole is opened inward at the outlet edge of the sliding hole. The spring surrounds the outside of the sliding post and is supported between the inset hole and the transverse component.

5. The master-slave power supply switching device according to claim 4, wherein: The rotating rod has a semi-circular cross-section. The center of the side of the base facing the device housing is provided with an insertion hole for the rotating rod. The rotating rod is inserted into the insertion hole. The device housing also includes a locking bolt, which is screwed in from the side of the base and threaded to the side plane of the rotating rod.

6. The master-slave power supply switching device according to claim 5, wherein: The groove is a circular hole groove structure that mates with the base. The base is rotatably disposed in the groove so that the side of the groove near the device housing is flush with the side of the device housing.

7. The master-slave power supply switching device according to claim 6, wherein: The arc surface of the transverse component is covered with a layer of anti-slip rubber.

8. The master-slave power supply switching device according to claim 7, wherein: When the pin slides out of the groove into the recess, the transverse member slides completely into the groove, and the portion of the seat body that is recessed into the recess has a pin groove for the pin to slide into.

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