CN2806062Y

CN2806062Y - Spanner with inner hexagon shape

Info

Publication number: CN2806062Y
Application number: CN 200520110087
Authority: CN
Inventors: 吴宝森
Original assignee: Harbin Aviation Industry Group Co Ltd
Current assignee: Harbin Aviation Industry Group Co Ltd
Priority date: 2005-06-17
Filing date: 2005-06-17
Publication date: 2006-08-16
Anticipated expiration: 2015-06-17

Abstract

The utility model relates to an inner hexagonal wrench with variable specification dimensions. The wrench is composed of a handle 1, a sleeve cylinder 2, a hexagonal sleeve set 3 and an upper cover 4, wherein the handle 1 and the sleeve cylinder 2 are combined into an integral body. The hexagonal sleeve set 3 is arranged inside the sleeve cylinder 2. The upper part of the sleeve cylinder 2 is sealed by the upper cover 4. The hexagonal sleeve set 3 is composed of two to five inner hexagonal sleeves with different dimensions, which are mutually sheathed and the outer diameter and the inner diameter of two adjacent hexagonal sleeves are mutually matched and sheathed. The outermost hexagonal sleeve is matched with the inner diameter of the sleeve cylinder 2. A hexagonal sleeve set with a corresponding specification dimension is additionally arranged inside the common inner hexagonal wrench, the inner dimension of the hexagonal sleeve set is matched with the specification dimension of a nut and the outer dimension of the hexagonal sleeve set is matched with the inner diameter of the sleeve cylinder of the utility model. The utility model has the advantages of simple structure, light weight, convenient operation and portability and one wrench can be used for tightly screwing hexagonal nuts with various dimensions.

Description

Allen wrench

Technical field: the utility model relates to a kind of allen wrench of variable format size.

Technical background: it is very general that spanner uses in our life.Can both use it from factory, enterprise, family.The kind of spanner is a lot: open-end wrench, monkey wrench, double offset ring spanner, allen wrench etc. are arranged.Wherein allen wrench is stressed at work best, can guarantee that nut is not damaged, but can only the same specification spanner of a kind of specification nut adapted, though, at a nut that can use interior six square sockets of replacing different size on hand the corresponding plurality of specifications of kit, but instrument is heavy, carries inconvenience.

Summary of the invention: the purpose of this utility model is: provide a kind of easy to carry, lightweight many sizes allen wrench.The technical solution of the utility model is: spanner is made up of handle 1, sleeve 2, six side's cover groups 3 and loam cake 4, and handle 1 is an one with sleeve 2, inserts six sides cover 3 in the sleeve 2, and the top of sleeve 2 is by loam cake 4 cappings; Six side's cover groups 3 are by the mutual socket of interior six sides cover of 2～5 different sizes, the socket that matches with internal diameter of the external diameter of two six adjacent sides covers, and outmost six sides overlap and match with the internal diameter of sleeve 2.The utility model is the six side's cover groups that increase corresponding specification in common allen wrench, the inside dimension of six side's cover groups matches with the specification of nut, external dimensions cooperates with the internal diameter of the utility model sleeve, simple in structure, in light weight, easy to use, be easy to carry, one can tackle the work of tightening of six square nuts of multiple size to spanner.

Description of drawings: Fig. 1 is the utility model structural representation;

Fig. 2 is the structural representation of the utility model six side's cover groups;

The specific embodiment: an end of handle 1 is a sleeve 2, six side's cover groups 3 of corresponding specification are placed at the interior six sides place of sleeve 2, six side's cover groups 3 are by the mutual socket of interior six sides cover of 2～5 different sizes, the internal diameter of two six side's covers that it is adjacent matches with external diameter, the inside dimension of six side's cover groups 3 is corresponding with corresponding specification nut, the external dimensions of six side's cover groups 3 matches with interior six sides of wrench socket 2, and loam cake 4 lids are contained in the top of sleeve 2, to prevent deviating from of six sides cover.When spanner is worked to nut screwing clamping, be pushed out than the cover of six sides in six little side's cover groups 3 of this nut specification.If six side's covers are organized 3 internal specifications sizes and respective nut is measure-alike, six 3 of side's cover groups motionless (not being pushed out).Gap between six side's cover groups 3 and the sleeve 2 is little, damages six side's cover groups 3 in order to avoid be out of shape excessive.Because six side's cover groups 3 are unidirectional activity in sleeve 2, do not come off for guaranteeing six sides cover, loam cake 4 of increase on sleeve 2 is in case six sides covers (2) come off.A circular hole is opened at the middle part of loam cake 4, makes to exceed the long shank of bolt of nut and can pass through.When allen wrench is tightened work to nut, manually released with the six sides cover that the nut specification does not conform to by (less than the six sides cover of nut specification).Six sides overlap and cooperate the work of tightening with nut when the specification of six sides cover inside dimension and nut is identical.

Claims

1. allen wrench of forming by handle, sleeve, it is characterized in that spanner is made up of handle (1), sleeve (2), six side's cover groups (3) and loam cake (4), handle (1) is an one with sleeve (2), insert six side's cover groups (3) in the sleeve (2), lid is contained in the top of sleeve (2).

2. allen wrench according to claim 1, on its feature, six square socket groups are by the mutual socket of interior six sides cover of 2～5 different sizes.