Novel pin shaft fixing bolt

A pin shaft, a new type of technology, applied in the direction of pivot connection, etc., can solve the problem of pin shaft jumping out, and achieve the effect of easy insertion and difficult withdrawal
CN105972065AInactive Publication Date: 2016-09-28XCMG CONSTR MACHINERY
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
XCMG CONSTR MACHINERY
Publication Date
2016-09-28
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a novel pin shaft fixing bolt. The novel pin shaft fixing bolt comprises a free part (11), a closing part (12) and a spring part (13), wherein the free part (11) is inserted into a pin shaft (2); the closing part (12) is used for preventing the bolt (1) from dropping out of the pin shaft (2); the spring part (13) is used for providing elasticity for the bolt (1); the middle part of the bolt (1) is bent to form the spring part (13); the two ends of the bolt (1) are positioned at the same side of the spring part (13) after being bent, wherein one end is bent inwards to form the closing part (12), and the other end acts as the free part (11). The novel pin shaft fixing bolt disclosed by the invention is normally closed in both a working state and a nonworking state, is automatically closed after being inserted into a pin shaft hole and does not cause drop of the bolt due to human negligence; even when the bolt is scraped by an external force, the opening of the bolt can also be automatically closed after the external force disappears as long as a needle pin is not pulled out, so the pin shaft hardly falls off; an inward angle is formed after the closing part has contact with the free part, so the pin shaft can be inserted quite easily and also hardly drops out.
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Description

technical field

[0001] The invention relates to a bolt, in particular to a new type of bolt fixed to a pin shaft. Background technique

[0002] With the development of science and technology, equipment is gradually becoming large-scale and integrated, resulting in the continuous increase of construction machinery and equipment. There are many parts in the equipment that need to be connected by pins, and they need to be disassembled during the transfer or shipping process, so problems arise in the fixing, disassembly and installation of the pins. If it is fastened, it will take a long time to install and it is not easy to disassemble. If the current fixing methods such as spring clips are used, it is easy to be damaged in the harsh environment. Low pins, using this traditional pin fixing method, such as image 3 as shown, image 3 It is the working state of the traditional pin shaft. When the pin end is not hung on the hook in the non-working state, it is opened under the el...

Claims

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