Torque alarming hand tool

Abstract

The invention relates to a torque warning hand tool. The main body thereof includes a driving part, a holding part and a torque warning unit, wherein a latch is arranged at one end of the driving part, and is sleeved with an elastic element at the driving part; an accommodating tank for accommodating the latch and the elastic element of the driving part is formed at the holding part, and a punch hole is formed on the surface of the holding part; the torque warning unit includes an inductive switch and a warning element, the inductive switch is arranged on the accommodating tank of the holding part, the warning element is arranged in the punch hole of the holding part, the inductive switch and the warning element communicate via a circuit; when the inductive switch is contacted by the latch, the warning element is started and, emits a light. When the torque force of the torque hand tool reaches the upper limit of the torque force default, the warning element can be lighted with the warning effect, so as to avoid the problem that the internal structure is damaged by forcedly turning the torque hand tool or a screwing fastener is locked incorrectly.

Description

technical field [0001] The invention relates to a torque hand tool, in particular to a torque warning hand tool. Background technique [0002] By the way, screws are used to lock objects. All kinds of machines rely on their locking force to support the operation of the main body. As small as wrist watches and wall clocks on the wall, the subtle and precise parts inside the clocks Components are locked by screws so that they can operate accurately and normally, which has created the fine watch industry that the Swiss are proud of; even sports cars that run on the field have screws on their engine casings, cylinders, and clutches. Enduring the powerful engine speed amidst the howling roar, it maintains the engine body in a stable operation. However, the locking force exerted by the screws on the machine is absolutely impossible to generalize, or it may be inaccurate. If the engine is locked If the force is applied to the clock, the small parts inside the clock will be damaged...

AI Technical Summary

Problems solved by technology

[0004] 1. The existing torque hand tools are originally designed to use the upper gear block and the lower gear block to idling. When the pulling reaches the upper limit of the torque, the pulling head will be slightly deflected due to the impact of the tooth block jumping, so the general Most of them judge the torque has reached the default value due to the slight vibration generated by the deflection of the trigger head or the jump of the locking part, and stop the operation. However, the deflection and vibration are not obvious, and workers usually wear gloves to maintain work safety, or just Working in a working environment with poor lighting, under the influence of poor tactility and poor vision, it often happens that the torque hand tool has reached the upper limit of the torque and continues to apply force, resulting in the upper tooth block of the locking part. Continuous jumping and idling with the lower gear block, and continuous impact on the elastic member pressed against the upper. If this situation is repeated for a long time, the tooth pattern between the upper gear block and the lower gear block is easy to wear due to the jumping rotation, or The elastic part has been impacted for a long time and has a deflection phenomenon. When the two structures that control the torque value are damaged and misaligned in the matching assembly, it will cause an error in the setting of the torque value, which will seriously affect the locking screw. precision of force

[0005] 2. Although the existing torque hand has an audible signal, it uses a click wheel to make a sound when the torque reaches the set upper limit and the locking part starts to idle to give a warning, but this structural design cannot respond to various applications. Due to the limitations of the working environment, for example, in an automobile decoration factory full of whistling sounds from cutting metal materials and the roar of steel plate collision and assembly, the small warning sound of torque hand tools is as difficult to notice as gnats, let alone To achieve the effect of reminding

[0006] It can be seen that the above-mentioned existing torsion hand tools still have no torsion warning function, which easily leads to a serious lack of damage to the body structure, and needs to be further improved urgently.

In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but for a long time no suitable design has been developed, and the general product has no suitable structure to solve the above-mentioned problems. This is obviously the relevant industry. Urgent problem

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