The application discloses a device for feeding bees in a tea-oil camellia flowering period without opening a
beehive, which comprises a feeder and a honey
injector; the feeder comprises a container and a first pipeline, the container is arranged in the
beehive, and the
tail end of the first pipeline extends out of the
beehive; the honey
injector comprises a tank, a stirrer, a second pipeline, an injection cylinder, a
liquid injection pipe, a gear, a first rack, a second rack and a
handle, the stirrer is arranged in the tank, the tank is communicated with the injection cylinder through the second pipeline, the first rack and the second rack are slidably connected with the
handle, the
piston rod of the injection cylinder is rotatably connected with the gear, the gear is engaged with the first rack and the second rack, the first rack is connected with a trigger, a first spring is used for pushing the first rack to reset, a second spring is used for pushing the second rack to reset, the first rack is provided with a limiting rod, the second rack is provided with a limiting block for limiting the movement of the limiting rod, the
liquid injection pipe is communicated with the injection cylinder, and the
liquid injection pipe and the second pipeline are both provided with a one-way valve. The device can effectively mix a detoxicant and can quantitatively feed the bees quickly and accurately.