CN210313158U

CN210313158U - Lifting hook with lever type unhooking prevention device

Info

Publication number: CN210313158U
Application number: CN201920742385.7U
Authority: CN
Inventors: 庄文新; 胡卫峰; 胡静; 王亚平; 刘荣泉; 陈振勇
Original assignee: Changshu Longteng Special Steel Co Ltd
Current assignee: Changshu Longteng Special Steel Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-04-14
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to a lifting hook with lever mousing-hook device, including the hook handle, coupler body and mousing-hook device, the coupler body is fixed on the hook handle, the inboard of the neck of coupler body is fixed with the lug, mousing-hook device is including the casting die that hangs down, the dead lever, anticreep spare and counter weight handle, the dead lever is rotationally worn to establish in the lug, casting die and anticreep spare all are the U type that hangs down, the casting die sets up respectively at the both sides of coupler body and its both ends relatively, the both ends at the dead lever are also fixed respectively at the both ends of anti-escape spare, anticreep spare forms the slope contained angle with the casting die that hangs down, the free end of anticreep spare is located the inboard of coupler body and leans on with the inner wall counterbalance of coupler body, the side that anticreep spare and coupler body contacted forms and coupler body assorted arc breach, the counter weight handle is fixed on the casting die. The utility model discloses the security is high, the simple operation, low cost, preparation are convenient and the effectual unhook phenomenon of having avoided, have fine market perspective.

Description

Lifting hook with lever type unhooking prevention device

Technical Field

The utility model relates to a lifting hook field especially relates to a lifting hook with lever mousing-hook device.

Background

The lifting hook is a common lifting appliance in the hoisting machinery, the lifting hook is often hung on a steel wire rope of a hoisting mechanism by means of a pulley block and other parts, the accident rate of the hoisting machinery in practical application is high, the lifting hook is a semi-closed connection mode, the use is convenient, the operation is simple, and the lifting hook is also one of the reasons for frequent safety accidents.

Consequently, the lifting hook all adds and is equipped with anticreep hook device, and the anticreep fastener of spring is adopted to the anticreep hook device of existing use more, and some anticreep lifting hook spring forces are great, when hanging the unhook, not only will keep opening of anticreep fastener on one hand, still hang the unhook on one hand, waste time and energy, still produced the potential safety hazard, still need many people to assist when necessary, produced many inconveniences.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high, simple operation, low cost, preparation convenient lifting hook that has lever mousing-hook device of security.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a lifting hook with lever type anti-unhooking device, which comprises a hook handle, a hook body and an anti-unhooking device, wherein the hook body is fixedly connected on the hook handle, a lifting lug is fixed on the inner side of the neck of the hook body, the anti-unhooking device comprises a hanging piece, a fixed rod, an anti-falling piece and a counterweight handle, the fixed rod is rotatably arranged in the lifting lug in a penetrating way, the hanging piece and the anti-falling piece are both U-shaped, the hanging piece is relatively arranged on both sides of the hook body, both ends of the hanging piece are respectively fixed on both ends of the fixed rod, both ends of the anti-falling piece are also respectively fixed on both ends of the fixed rod, the anti-falling piece and the hanging piece form an inclined included angle, the free end of the anti-falling piece forms an arc notch matched with the hook body, under normal state, the free end of the anti-falling piece is positioned on the inner side of the hook body, and the, the counterweight handle is fixed on the pressing piece and is positioned on one side of the pressing piece far away from the hook body.

Further, the included angle between the dropping-off prevention piece and the dropping-off pressing piece is 80-100 degrees.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses a lifting hook with lever mousing-hook device, owing to set up mousing-hook device, the gravity through the casting die self gravity and counter weight handle that hangs down makes one side that the dead lever was kept away from to the casting die hang down, during the couple, treat that the product of hanging pushes down anticreep spare through self gravity, make the dead lever at the lug internal rotation, anticreep spare removes to coupler body inboard, the lifting hook opening is opened, the product is automatic to get into in the coupler body, the home position is got back to the free end of anticreep spare, anticreep spare forms the enclosure space with the coupler body, realize mousing-hook's effect. The utility model discloses the security is high, the simple operation, low cost, preparation are convenient and the effectual unhook phenomenon of having avoided, have fine market perspective.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a front view of a lifting hook having a lever-type unhooking prevention apparatus according to an embodiment of the present invention;

FIG. 2 is a front view of an anti-unhooking device in a lifting hook having a lever type anti-unhooking device shown in FIG. 1;

fig. 3 is a rear view of an unhooking device in a lifting hook having a lever type unhooking prevention device shown in fig. 1.

Wherein the reference numerals are as follows:

1. a hook handle; 2. a hook body; 6. A drop piece; 7. fixing the rod; 8. a drop-off prevention member; 9. a counterweight handle; 10. lifting lugs; 11. an arc-shaped notch.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 3, the lifting hook with the lever type unhooking prevention device comprises a hook handle 1, a hook body 2 and an unhooking prevention device, wherein the hook body 2 is fixedly connected on the hook handle 1, a lifting lug 10 is fixed on the inner side of the neck part of the hook body 2, the unhooking prevention device comprises a pressing piece 6, dead lever 7, anticreep piece 8 and counter weight handle 9, dead lever 7 rotationally wears to establish in lug 10, press 6 and anticreep piece 8 all are the U type, press 6 relative setting at the both sides of coupler body 2 and its both ends are fixed respectively at the both ends of dead lever 7, the both ends of anticreep piece 8 are also fixed respectively at the both ends of dead lever 7, anticreep piece 8 forms the slope contained angle with press 6 that hangs down, the free end of anticreep piece 8 forms and 2 assorted arc breachs of coupler body, under the normality, the free end of anticreep piece 8 is located the inboard of

coupler body

2 and 11 card of arc breach on the coupler body inner wall, counter weight handle 9 is fixed on press 6 that hangs down and is located the one side that press 6 kept away from coupler body 2 that hangs. Namely, the end of the anti-falling part 8 contacted with the inner wall of the hook body 2 is a free end.

The contained angle between the casting die 6 and the anticreep piece 8 of hanging down is 80~100, specifically can confirm the angle between casting die 6 and the anticreep piece 8 of hanging down according to the condition of buckling of coupler body 2 to the free end of anticreep piece 8 can support smoothly on the inner wall of coupler body 2, and anticreep piece 8 forms the enclosure space with coupler body 2, with better anticreep.

The anti-disengaging piece 8 is U-shaped to increase the contact area of the anti-disengaging piece 8 and the inner wall of the hook body 2 and ensure the stability of anti-disengaging. The U-shaped openings of the pressing piece 6 and the anti-falling piece 8 are respectively welded and fixed with the fixing rod 7.

The free end of the anti-falling part 8 is an arc-shaped notch 11 matched with the hook body 2, and the bending direction of the arc-shaped notch 11 is towards the fixing rod 7. The arc-shaped notch 11 is clamped on the inner wall of the hook body 2, and a closed space is formed between the arc-shaped notch and the hook body 2 better, so that a hung product is prevented from being unhooked.

The counter weight handle 9 is fixed on the casting die 6 that hangs down, and the casting die 6 that hangs down is guaranteed to hang down through self gravity to the counter weight handle 9 of being convenient for, and anticreep piece 8 forms the enclosure space with coupler body 2, realizes the effect of mousing-hook.

In the embodiment, in a normal state, one side of the hanging piece 6, which is far away from the fixed rod 7, droops through the self gravity of the hanging piece 6 and the gravity of the counterweight handle 9, when the hook is hooked, a product to be hung presses the anti-drop piece 8 through the self gravity, the fixed rod 7 rotates in the lifting lug 10, the anti-drop piece 8 moves towards the inner side of the hook body 2, a lifting hook opening is opened, the product automatically enters the hook body 2, the free end of the anti-drop piece 8 returns to the original position, and the anti-drop piece 8 and the hook body 2 form a closed space to realize the anti-drop; when unhooking, the people pushes up counter weight handle 9 on the coupler body 2 back, because lever principle, when pushing up counter weight handle 9, dead lever 7 is at the internal rotation of

lug

10, and 8 free ends of anticreep spare leave 2 inner walls of coupler body, and anticreep spare 8 removes to the hook portion inboard, and the lifting hook mouth is opened, and the product can break away from coupler body 2.

The utility model discloses the security is high, the simple operation, low cost, preparation are convenient and the effectual unhook phenomenon of having avoided, have fine market perspective.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a lifting hook with lever mousing-hook device which characterized in that: comprises a hook handle, a hook body and an anti-unhooking device, wherein the hook body is fixedly connected on the hook handle, a lifting lug is fixed on the inner side of the neck part of the hook body, the unhooking prevention device comprises a hanging piece, a fixed rod, an unhooking prevention piece and a counterweight handle, the fixed rod is rotatably arranged in the lifting lug in a penetrating way, the pressing piece and the anti-dropping piece are both U-shaped, the pressing pieces are oppositely arranged at two sides of the hook body, two ends of the pressing pieces are respectively fixed at two ends of the fixed rod, two ends of the anti-falling piece are also respectively fixed at two ends of the fixed rod, the anti-falling piece and the pressing piece form an inclined included angle, the free end of the anti-release part forms an arc-shaped notch matched with the hook body, under a normal state, the free end of the anti-release part is positioned at the inner side of the hook body, and the arc-shaped notch is clamped on the inner wall of the hook body, the counterweight handle is fixed on the pressing piece and is positioned on one side of the pressing piece far away from the hook body.

2. A lifting hook with a lever-type unhooking prevention device as claimed in claim 1, wherein: the included angle between the vertical pressing piece and the anti-falling piece is 80-100 degrees.