Handsaw for easy replacement of saw blade

A technology of saw blades and hand saws, which is applied in the field of hand saws that are easy to replace saw blades, and can solve problems such as injury, troublesome and time-consuming replacement of saw blades, and short service life
CN107617784BActive Publication Date: 2019-04-09NINGBO ZHENHAI YONGDING FASTENER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO ZHENHAI YONGDING FASTENER
Publication Date
2019-04-09

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Abstract

The invention provides a hand saw with saw blades convenient to replace. The hand saw comprises a saw bow, a front handle and a rear handle. The front end of the saw bow is provided with a front cover. The front cover is arranged on the front handle. The rear end of the saw bow is provided with a rear cover. The rear cover is arranged on the rear handle. The saw bow is internally provided with a saw nest. The saw nest is internally connected with a pressing rod in a sleeving manner. The side face of the saw nest is provided with a plurality of saw blade openings in the radial direction, and the two ends of each saw blade opening are provided with spherical surface protrusions. The rear handle is provided with a saw nest rotation device. The front handle and the rear handle are both provided with saw blade sliding grooves in the vertical directions, wherein the saw blade sliding grooves cooperate with the saw blade openings. The front handle and the rear handle are provided with saw blade locking devices at the lower ends of the saw blade sliding grooves. According to the hand saw with the saw blades convenient to replace, the saw blades are stored in the saw nest of the saw bow, and the saw blades can be conveniently and rapidly replaced through the saw nest rotation device.
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Description

technical field

[0001] The invention relates to the field of hand saws, in particular to a hand saw which is convenient for replacing saw blades. Background technique

[0002] The hand saw is a common cutting tool in daily life. Traditional hand saws are generally composed of saw blades, saw beams, handles and other components. There are various structures, but all of them have certain deficiencies. relationship, it is easy to cause the saw blade to break. The saw blade itself is a consumable. Because of its short life, replacing the saw blade becomes a troublesome thing that occurs frequently during the use of the hand saw. Especially when working at high altitude, it is necessary to stop the operation to find the saw blade, which leads to troublesome and time-consuming replacement of the saw blade. If the saw blade is replaced at the work site, it is easy to cause the saw blade to fall off, causing injury and accidents.

[0003] The utility model patent with the applica...

Claims

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