Elastic writing brush
A brush and elastic technology, applied in the field of stationery, can solve problems such as difficulty
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[0019] Examples, see figure 1 Shown: elastic brush, including pen holder 10 and pen head 70.
[0020] Further speaking:
[0021] The lower end of the pen holder 10 is provided with an external thread 11 . The outer thread 11 is screwed with a locking sleeve 20 on the upper part and a connecting sleeve 30 on the lower part. That is, when the locking sleeve 20 and the connecting sleeve 30 are in close contact, the rotation of the connecting sleeve 30 can be better restricted. The lower part of the connecting sleeve 30 is provided with a step 31 extending inward. At the same time, a connecting rod 40 is screwed on the top of the nib 70 , and the upper end of the connecting rod 40 has a big head 41 . The big head 41 is located in the connection sleeve 30 . That is, the upper part of the connecting rod 40 is located in the connecting sleeve 30 but cannot escape from the connecting sleeve 30 . And, the connecting sleeve 30 is provided with an upper compression spring 50 , and ...
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