Handheld soil fixed-point disinfection device for crop growth period

A handheld soil fixed-point disinfection device for a crop growth period, comprising:

• a top-opened barrel, wherein the top-opened barrel is internally divided into a liquid storage chamber and an assembly chamber;
• a plurality of support rods fixed at a bottom of the top-opened barrel;
• a target ring fixed at bottoms of the plurality of support rods and configured to contact a ground fixed point;
• a needle provided between the plurality of support rods and allowed to insert into soil through the target ring to inject a fumigant liquid;
• and
• a force accumulation mechanism provided on the top-opened barrel and configured to eject the needle,
• wherein the force accumulation mechanism comprises:
• a fixed sleeve slidably provided between the plurality of support rods and detachably connected to the needle;
• a force accumulation box fixed at a side of the top-opened barrel;
• a linkage plate slidably provided at a bottom of the force accumulation box and fixedly connected to the fixed sleeve;
• a first slider slidably provided in the force accumulation box and fixedly connected to the linkage plate;
• a first spring provided in the force accumulation box and located at a top of the first slider;
• a second slider slidably provided in the force accumulation box and located at a top of the first spring;
• an adjusting bolt threadedly provided at a top of the force accumulation box and configured to abut against the second slider;
• and
• a magnetic strip fixed at a side of the force accumulation box and configured to absorb and fix the first slider.

A handheld soil fixed-point disinfection device for a crop growth period, comprising:

• a top-opened barrel, wherein the top-opened barrel is internally divided into a liquid storage chamber and an assembly chamber;
• a plurality of support rods fixed at a bottom of the top-opened barrel;
• a target ring fixed at bottoms of the plurality of support rods and configured to contact a ground fixed point;
• a needle provided between the plurality of support rods and allowed to insert into soil through the target ring to inject a fumigant liquid;
• and
• a force accumulation mechanism provided on the top-opened barrel and configured to eject the needle, wherein a top cover for sealing the liquid storage chamber is threadedly provided at a top of the top-opened barrel, and a handheld adjusting mechanism is provided on the top cover,
• wherein the handheld adjusting mechanism comprises:
• a support stud fixed at a top of the top cover;
• a support threaded insert threadedly sleeved on the support stud;
• a U-shaped seat fixed at a top of the support threaded insert;
• a connecting member adjustably provided on the U-shaped seat with a bolt;
• and
• a connecting rod fixed on the connecting member and provided with a handle.