Rapid-adjustable antiskid monkey wrench
An adjustable wrench, anti-skid technology, applied in the field of adjustable wrench, to achieve the effect of convenient processing, increased service life, quick and accurate adjustment of opening and closing
Inactive Publication Date: 2011-04-20
黄旭东
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Problems solved by technology
[0003] In order to overcome the deficiencies of the existing adjustable wrench, the present invention provides a non-slip adjustable wrench, which not only retains all the functions of the existing adjustable wrench, but also can quickly adjust the opening, and the adjustable wrench can be adjusted when the bolt or nut is turned. The head will not loosen and slip, the clamping is firm, the bolt or nut will not be damaged, and the operation is safe and reliable
Method used
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[0009] Below in conjunction with accompanying drawing, the present invention will be further described, but the present invention is not limited to this embodiment:
[0010] Such as figure 1 , figure 2 Shown, the present invention is by (1) wrench main body; (2) fixed wrench head; (3) movable wrench head; (4) handle; (5) eccentric key; of buttons. Insert one end of the compression spring (6) into the spring hole (15) located in the boss (16) of the adjustable wrench head, insert the other end of the compression spring (6) into the spring hole (14) of the eccentric key, and press the eccentric key ( 5) Shrink the compression spring (6) and embed the eccentric key (5) in the keyway (7), insert the adjustable wrench (3) and the eccentric key (5) and compression spring (6) into the keyway (7) Push the concave groove (8) from the opening on the left side of the concave groove (8) together until the fixed wrench (2) is in contact with the adjustable wrench (3), because the top o...
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The invention relates to a rapid-adjustable antiskid monkey wrench. Wherein an adjustable wrench head is connected with an adjustable wrench body by concavo-convex connection; a keyway is formed in the adjustable wrench head; an eccentric key and a pressure spring are embedded in the keyway; and a button is disposed outside the eccentric key. A jaw can be opened when the button is dialed to the opposite direction of the spring tension, and the adjustable wrench head is closed to the direction of a fixed wrench head when the adjustable wrench head is pushed to the direction of the fixed wrench head. When operating a workpiece, the force applied on both walls of a concave track by a cambered surface of the eccentric key and the top of a boss of the eccentric key is increased along with the force applied on the adjustable wrench head for causing self locking; and in the self locking state, it is impossible for the adjustable wrench head to depart from the fixed wrench head. The present invention has the advantages of simple and reasonable structure and high opening and closing speed; fundamentally solves the problem of slipping, and improves operation safety.
Description
technical field [0001] The invention belongs to a manual hardware tool, in particular to an adjustable wrench. Background technique [0002] Adjustable wrench is one of the most commonly used tools in hand tools, and the operator can adjust and use it within a certain range according to nuts of different specifications and sizes. The vast majority of existing adjustable wrenches use racks and worm gears. Adjustable wrenches made in this way need to be frequently screwed to adjust the opening and closing of the jaws when screwing bolts or nuts of different specifications. The speed is slow, it is easy to slip, the operation is unsafe, and the corners of the bolts or nuts after being screwed will be damaged to varying degrees. Contents of the invention [0003] In order to overcome the deficiencies of the existing adjustable wrench, the present invention provides a non-slip adjustable wrench, which not only retains all the functions of the existing adjustable wrench, but al...
Claims
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IPC IPC(8): B25B13/12B25B13/20
CPCB25B13/12
Inventor 黄旭东
Owner 黄旭东