Spanners for automobile tyre

Abstract

An automobile tyre wrench belongs to the technical field of hardware tool. The automobile tyre wrench comprises a handle and a sleeve articulated on the handle. One end of the handle is configured with a sleeve accommodating cavity for accommodating the sleeve. The other end of the handle is configured with an adjusting handle cavity. A first top wall of adjusting handle cavity is provided with a sliding groove and at least one pair of first positioning opening. Each first positioning opening is communicated with the sliding groove. A height adjusting handle is accommodated in the adjusting handle cavity and is configured with a positioning cavity. A second top wall of the positioning cavity is configured with a guiding groove and a second positioning opening which is communicated with the guiding groove. A drawing clamp which is positioned in the positioning cavity and is projected from the second positioning opening, and furthermore the second positioning opening is matched with the first positioning opening. The automobile tyre wrench has the advantages of good handle selectivity for adjusting height; quick and power-saving operation without damage to the finger; simple integral structure and suitability for being processed and assembled.

Description

technical field [0001] The invention belongs to the technical field of hardware tools, and in particular relates to an automobile tire wrench, which is used for dismounting and installing fixed vehicle tire nuts. Background technique [0002] figure 2 The automobile tire wrench of the structure shown is a kind of vehicle-mounted tool widely used at present, and it comprises handle 1 and sleeve 2, and the base of sleeve 2 connects one end of handle 1 through hinge shaft 21, and the automobile of this structure Although the tire wrench has good practicability and is convenient to carry and store, it is very laborious to use because the handle 1 as the arm of force is relatively short, but if the handle 1 is lengthened, it will cause inconvenience to store. [0003] A kind of automobile tire wrench (applied by the applicant) disclosed by Chinese invention patent authorization announcement number CN100446930C solves the problem figure 2 The technical problem in the shown struc...

AI Technical Summary

Problems solved by technology

But still there is following deficiency: the one, owing to reach the length of prolonging or shortening the handle as arm of force by stretching or folding of the random trigger between the handle and the sleeve, so once the length of the random trigger is determined No longer change, so that the selectivity of the length of the handle as the arm of force is limited, that is to say, the random lever only plays the role of simply lengthening the length of the handle and does not have the effect of moving adjustment; The installation is troublesome, and the specific performance is that in addition to forming a random trigger cavity for accommodating (stacking) the random trigger on the handle, it is also necessary to form a sleeve receiving cavity for accommodating the sleeve on the random trigger, so that the processing become very troublesome

Also, during installation (during assembly), one end of the random trigger lever is hinged with the handle with a hinge pin, and the other end of the random trigger lever is also hinged with the sleeve 2 with a hinge pin (the patent is called hinge shaft), so that the assembly becomes very The third is that the operation loses quickness, convenience and safety, because if you want to extend the length of the arm of force of the handle, you must pull the random trigger with your fingers to make the random trigger move from the random trigger of the handle. However, when the finger hooks the random trigger lever, it is not only difficult, but also has the risk of pinching the finger

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