CN201021425Y

CN201021425Y - Traction hook

Info

Publication number: CN201021425Y
Application number: CNU2007201070806U
Authority: CN
Inventors: 廖国方
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-09
Filing date: 2007-03-09
Publication date: 2008-02-13
Anticipated expiration: 2017-03-09

Abstract

The utility model relates to a draw hook, comprising a hook body, wherein, the hook body is provided with a safety card which is connected with the hook body through a rivet shaft, a torsional spring which is used for restoring the safety card is arranged between the safety card and the hook body, the head end of the safety card is extended outwards to form a card pressing end which is arranged outside the hook body to lead the whole safety card to form a lever structure that takes a rivet as a pivot. The safety card looks like a herringbone from the lateral, and is a strip ring shape by looking down, the width of the strip ring is matched with the thickness of the hook body, and the rivet is arranged on the top of the herringbone. The card pressing end of the safety card is sleeved with a jacket. The utility model has the beneficial effect that the utility model has simple and reasonable structure and designing, and can control the safety card outside the hook body, the operator is labor saving and safe, the status of the thumb damage is hardly to happen, the safety factor is high, the potential hidden trouble is avoided, and the special maintaining is not needed.

Description

Hauling hook

Technical field

The utility model relates to the hauling hook in a kind of hauling operation, also can make Lift hook and use.

Background technology

The insurance card of existing hauling hook as Chinese patent CN94219992.8, when hook or unhook, need be pushed insurance card with thumb in hook, occupied the space of rope turnover, and after will treating object hook or unhook, thumb can unclamp.In practical operation, often, not only bring difficulty, but also often damage thumb to operation because rope is thicker.

Summary of the invention

The utility model will solve the shortcoming of above-mentioned prior art, provides a kind of being provided with in the coupler body outside to press the card end, in order to the hauling hook of control insurance card.

The utility model solves the technical scheme that its technical matters adopts: this hauling hook, comprise coupler body, coupler body is provided with insurance card, insurance card is connected to coupler body by rivet shaft, and be provided with between insurance card and the coupler body and be used to torsion spring that insurance card is resetted, insurance khaki head end stretches out and forms one and press the card end, and this pressures card end is positioned at the coupler body outside, and to make one of whole insurance card formation be the lever construction of fulcrum with the rivet.

The utility model can be further perfect by following manner:

The insurance card side-looking is as " people " font, overlooks to be rectangular annular, and the width of rectangular ring and the thickness of coupler body are complementary, and rivet is located at the top of " people " word.The insurance khaki is pressed on the card end and is with sheath.

The effect that the utility model is useful is: the utility model reasonable in design, can be outside coupler body the side control insurance card, operating personal is laborsaving but also safety not only, the impaired situation of thumb exists hardly, the safety factor height, the potential risk of forgoing need not special curing.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model explosive decomposition figure;

Fig. 3 is the utility model part sectional view;

Fig. 4 be among Fig. 3 A-A to the sectional structure scheme drawing.

Description of reference numerals: 1. coupler body 2. insurance card 2-1. press card end 3. torsion springs 4. rivets 5. sheaths.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

With reference to accompanying drawing, this hauling hook, comprise coupler body 1, coupler body 1 is provided with insurance card 2, insurance card 2 is coupling in coupler body 1 by rivet 4, and is provided with between insurance card 2 and the coupler body 1 and is used to torsion spring 3 that insurance card 2 is resetted, and insurance card 2 its head ends stretch out and form one and press card end 2-1, this pressure card end 2-1 is positioned at coupler body 1 outside, and to make whole insurance card 2 form one be the lever construction of fulcrum with rivet 4.Insurance card 2 side-lookings are as " people " font, overlook to be rectangular annular.The thickness of the width of rectangular ring and coupler body 1 is complementary, and coupler body 1 can be embedded in this microscler ring bar.Hook is located at the top of " people " word with rivet 4.Be with plastic sheath 5 on the pressure card end 2-1 of insurance card 2, like this, what point direct contact is plastic sheath 2, and feel is more comfortable.

In the time of need or breaking off relations the object hook, press card end 2-1 as long as push, insurance card 2 will be close in hook, the space of hook opening can all utilize, when finishing object hook or unhook, press card end 2-1 as long as unclamp, because the effect of torsion spring 3, insurance card 2 will automatically reset, operating personal is laborsaving but also safety not only, and the impaired situation of thumb exists hardly, therefore, its result of use is good, is beneficial to popularization.

In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.

Claims

1. hauling hook, comprise coupler body (1), coupler body (1) is provided with insurance card (2), insurance card (2) is coupling in coupler body (1) by rivet (4), and be provided with between insurance card (2) and the coupler body (1) and be used to torsion spring (3) that insurance card (2) is resetted, it is characterized in that: its head end of described insurance card (2) stretches out and forms one and press card end (2-1), and this pressures card end (2-1) is positioned at coupler body (1) outside, and to make one of whole insurance card (2) formation be the lever construction of fulcrum with rivet (4).

2. hauling hook according to claim 1 is characterized in that: described insurance card (2) side-looking is as " people " font, overlooks to be rectangular annular, and the thickness of the width of rectangular ring and coupler body (1) is complementary, and described rivet (4) is located at the top of " people " word.

3. hauling hook according to claim 1 and 2 is characterized in that: be with sheath (5) on its pressure card end (2-1) of described insurance card (2).