Combined type spanner
A combined, wrench technology, applied in the directions of wrenches, manufacturing tools, wrenches, etc., can solve the problems of inability to tighten screws or bolts with wrenches, poor adaptability of screws or bolts, etc., and achieve easy adjustment of the thickness of the bayonet, adjustable thickness, adaptable effect
Inactive Publication Date: 2014-02-12
HUANGSHI ZHIYUN ELECTROMECHANICAL TECH INST
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Problems solved by technology
[0002] Most of the existing wrenches are made of fixed wrench or adjustable wrench. The bayonet thickness of this type of wrench is fixed. This structure has poor adaptability to screws or bolts with small space and different thickness, and sometimes it is impossible to use a wrench. Tightening a screw or bolt, sometimes having to break the screw or bolt to remove the screw or bolt
Method used
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Embodiment Construction
[0009] see Figure 1 to Figure 3 , the present invention includes an adjustable wrench 1 and a fixed wrench 2, the adjustable wrench 1 and the fixed wrench 2 are combined by a screw 3, the adjustable wrench 1 is provided with two positioning holes 11, and the handle of the fixed wrench 2 A threaded hole 21 and a dovetail groove 22 are provided. The part where the adjustable wrench 1 is inserted into the dovetail groove 22 has a cross-sectional shape of a trapezoidal cross section that is compatible with the angle of the dovetail groove 22. The adjustable wrench 1 can be inserted into the dovetail groove of the fixed wrench 2. 22 to slide.
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The invention discloses a combined type spanner, which is characterized by comprising a movable spanner (1) and a fixed spanner (2), wherein the movable spanner (1) and the fixed spanner (2) are combined together by a screw (3), the movable spanner (1) is provided with two positioning holes (11), a handle of the fixed spanner (2) is provided with a threaded hole (21) and a dovetail groove (22), the section of the part, inserted into the dovetail groove (22), of the movable spanner (1) is a trapezoid cross section in a shape adapted to the angle of the dovetail groove (22), and the movable spanner (1) can slide in the dovetail groove (22) of the fixed spanner (2). The combined type spanner is adjustable in thickness, convenient to combine, relatively high in adaptability and long in service life.
Description
technical field [0001] The invention relates to tools, in particular to a combined wrench. Background technique [0002] Most of the existing wrenches are made of fixed wrench or adjustable wrench. The bayonet thickness of this type of wrench is fixed. This structure has poor adaptability to screws or bolts with small space and different thickness, and sometimes it is impossible to use a wrench. Tighten the screws or bolts, and sometimes have to destroy the screws or bolts to remove the screws or bolts. Contents of the invention [0003] The object of the present invention is to provide a combined wrench with adjustable thickness, convenient combination, strong adaptability and long service life. [0004] In order to achieve the above object, the present invention includes an adjustable wrench and a fixed wrench, the adjustable wrench and the fixed wrench are combined together by screws, the adjustable wrench is provided with two positioning holes, and the handle of the f...
Claims
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IPC IPC(8): B25B13/08B25B13/56
CPCB25B13/08B25B13/56
Inventor 黄凌志
Owner HUANGSHI ZHIYUN ELECTROMECHANICAL TECH INST
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