Elevated double-head USB fan

A fan and fixture technology, which is applied to parts of pumping devices for elastic fluids, non-variable pumps, pump devices, etc., can solve the problems of only one fan head and USB fans cannot adjust the height, etc., and achieve structural design Complete and compact, designed and practical, wide-ranging effects

CN107246400AInactive Publication Date: 2017-10-13无锡智汇空间投资管理有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2017-10-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a liftable double-headed USB fan, which comprises a fixture fixed foot, a fixture movable foot, a first fan, a second fan and a fan rear cover, the fixture fixed foot is connected to the fixture movable foot through a spring, and the fixture is movable A sleeve rod is welded on the upper surface of the foot, and a support column is arranged above the sleeve rod. There is a charging interface under the screw, a fixed block is fixedly welded on the top of the support column, and a rotating block is arranged inside the fixed block. The first fixed rod is welded on the side of the rotating block, and the second fixed rod is fixedly welded on the other side of the fixed block. The first fixed rod and the The second fixed rod is equipped with a rotating sleeve, and the end of the rotating sleeve is fixed on the rear seat of the fan. Through the setting of two fans, not only the wind force is increased, but also the direction can be reversed, and it has a double cooling function. The present invention The design is reasonable and suitable for promotion and use.
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Description

technical field

[0001] The invention relates to a USB fan, in particular to a liftable double-head USB fan. Background technique

[0002] The USB fan is a miniature electric fan for the charging port of a desktop computer or a laptop computer. It is connected to the computer through the computer USB interface, and the flexible bellows can make the USB fan blow to any direction, and it is very power-saving. The USB port on the computer (that is, the interface that everyone uses to plug in the USB flash drive) can provide external devices with a voltage of 5 volts and a current of 500mA. The USB fan is a small fan that uses the charging interface to provide power. It is used in a quiet office with medium to low wind. The biggest feature of the USB fan is convenience, plug and play, as long as you plug in the USB port, you can immediately generate cool breeze without batteries. The USB fan can also be placed in the laptop bag and taken anywhere. The blades of the USB fan are...

Examples

Embodiment Construction

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] see Figure 1-3 , the present invention provides a technical solution: a double-headed USB fan that can be lifted, including a clamp fixed foot 1, a clamp movable foot 2, a sleeve rod 3, a support column 4, a first fan 10, a second fan 11 and a fan The back cover 12, the fixed leg 1 of the clamp is connected to the movable leg 2 of the clamp through a spring, and the USB fan can be fixedly clamped on the computer or the edge of the table....