CN201218259Y - Bolt key - Google Patents

Abstract

The utility model relates to a bolt key belonging to the mechanical field. The bolt key comprises a bolt section (1), a key body section (2) and a stopper (3). The bolt key is characterized in that one end of the key body section (2) is a square or round stopper (3), and the other end of the key body section (2) is the bolt section (1). The utility model has the advantages of simple structure and convenient disassembly, and is very suitable to be used for flat bonding of equipment components.

Description

A kind of bolt key

Technical field:

The utility model relates to a kind of key, especially a kind of bolt key.

Background technique:

At present; in the machinery field, often can use key and connect, when especially two equipment parts that flat key joint height is identical connect with parallel key; tend to make center line misalignment or flat key play in keyway of two links, thereby influence the normal operation of equipment.

Summary of the invention:

A kind of bolt key that the purpose of this utility model just provides is simple in structure, be easy to dismantle.

The purpose of this utility model is achieved in that a kind of bolt key, comprises bolt section, key body section and block, and an end that it is characterized in that key body section is square or circular block, and the other end of key body section is the bolt section.

The utility model compared with prior art has following characteristics: owing to adopted an end of key body section is square or circular block, the other end of key body section is the structure of bolt section, thereby the center line of two links that can align and avoid the play of flat key in keyway, have characteristics simple in structure, that be easy to dismantle.

Description of drawings:

Fig. 1 is a plan view of the present utility model;

Fig. 2 is a plan view of the present utility model;

Among the figure 1, bolt section 2, key body section 3, block

Embodiment:

As shown in the figure, a kind of bolt key adopts tensile strength to be not less than 60kgf/mm ²The steel part manufacturing, the flat key that is used for two identical equipment parts of flat key joint height connects, and comprises bolt section (1), key body section (2) and block (3); Key body section (2) is the parallel key shape, and the one end is square or circular block (3), and block (3) can lean against on two connected pieces simultaneously; The other end of key body section (2) is bolt section (1), and bolt section (1) is a plain bolt, and the nut of screwing at least on its length direction is so that nut compresses two connected pieces.So just can align equal height two links center line and avoid the play of flat key in keyway, have characteristics simple in structure, that be easy to dismantle.

Claims (1)

1, a kind of bolt key comprises bolt section (1), key body section (2) and block (3), and an end that it is characterized in that key body section (2) is square or circular block (3), and the other end of key body section (2) is bolt section (1).

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