CN112096726A

CN112096726A - Hook

Info

Publication number: CN112096726A
Application number: CN202011102450.3A
Authority: CN
Inventors: 徐志军
Original assignee: Rizhao Xingye Auto Parts Co ltd
Current assignee: Rizhao Xingye Auto Parts Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2020-12-18

Abstract

The invention discloses a hook, which relates to the technical field of hooks and comprises a connecting part and a hook part which are integrally formed, wherein a sliding hole is formed in the hook part, the sliding hole extends along the bending direction of the hook part, a plurality of balls are filled in the sliding hole in a matching manner, an opening communicated with the sliding hole is formed in the inner side of the hook part, and the ball part penetrates through the opening. The invention solves the technical problem that the hook can not smoothly hang and place the chain in the prior art, reduces the friction force in the process of hanging and placing the chain, improves the smoothness of hanging and placing the chain, reduces the abrasion of parts, and has the advantage of convenient use.

Description

Hook

Technical Field

The invention relates to the technical field of hooks, in particular to a hook.

Background

When the chain is hung on the hook, the chain link of the chain is easily clamped on the hook, so that the chain cannot smoothly pass through the hook, the inconvenience in use of the hook is improved, and the hook or the chain can be greatly abraded, so that the service life is prolonged.

Disclosure of Invention

In view of the above defects, the present invention provides a hook, which aims to solve the technical problem that the prior hook cannot smoothly hang a chain.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a hook comprises a connecting portion and a hook portion which are integrally formed, wherein a sliding hole is formed in the hook portion, the sliding hole extends along the bending direction of the hook portion, a plurality of balls are filled in the sliding hole in a matching mode, an opening communicated with the sliding hole is formed in the inner side of the hook portion, and the ball portion penetrates through the opening.

Wherein, lubricating oil is injected into the sliding hole.

Wherein, the inner side of the hook part is provided with a strip-shaped bulge which is positioned at two sides of the opening and extends along the bending direction of the hook part.

Wherein, the tip of connecting portion is equipped with the first mounting hole of intercommunication slide opening, and the spiro union has the puller bolt in the first mounting hole. Wherein, the one end towards the slide opening on the puller bolt is equipped with the button head.

Wherein, the tip of connecting portion rotationally installs first connecting block, and the lateral part of first connecting block is equipped with first through-hole, and the tip of first connecting block is equipped with the second through-hole of the first mounting hole of intercommunication.

The end part of the connecting part is provided with a second mounting hole, the second mounting hole is internally rotatably provided with a rotating block, a second connecting block is fixedly connected between the rotating block and the first connecting block, the end part of the connecting part is fixedly connected with a baffle ring used for limiting the rotating block, a third mounting hole which is coaxially arranged with the second mounting hole is arranged on the baffle ring, and the second connecting block is rotatably connected in the third mounting hole.

After the technical scheme is adopted, the invention has the beneficial effects that:

the hook comprises the connecting part and the hook part which are integrally formed, the hook part is internally provided with the sliding hole, the sliding hole extends along the bending direction of the hook part, a plurality of balls are filled in the sliding hole in a matching way, the inner side of the hook part is provided with an opening communicated with the sliding hole, and the ball part penetrates through the opening. After the chain cable is hung on the hook, the chain cable is directly pressed on the ball, and the chain cable can rapidly pass through the inner side of the hook through the rolling effect of the ball, so that the rapid adjustment of the hanging position of the chain cable is improved.

Because lubricating oil is injected into the sliding hole, the lubricating oil is used for reducing the friction force between the balls and the inner wall of the sliding hole and between the balls, and the rolling smoothness of the balls is improved.

Because the inner side of the hook part is provided with the strip-shaped bulge, the strip-shaped bulge is positioned on two sides of the opening and extends along the bending direction of the hook part. The structural strength of the hook at the opening position is greatly improved through the strip-shaped protrusions.

Because the tip of connecting portion is equipped with the first mounting hole of intercommunication slide opening, the spiro union has the puller bolt in the first mounting hole, screws in first mounting hole through the puller bolt, realizes the closure of first mounting hole, avoids the ball after filling to deviate from in the slide opening.

Because the round head is arranged at one end of the puller bolt facing the sliding hole, after the locking bolt is screwed, the round head and the ball form point contact, and the rolling smoothness of the ball is improved.

Because the tip of connecting portion rotationally installs first connecting block, the lateral part of first connecting block is equipped with first through-hole, and the tip of first connecting block is equipped with the second through-hole of the first mounting hole of intercommunication. The bolt is inserted into the first through hole through the connection at the position to be mounted to fix the first connecting block, the end part of the first connecting block is provided with a second through hole, and the second through hole is used for communicating with the first mounting hole to facilitate the loading of balls and the screwing of tightening bolts.

In conclusion, the invention solves the technical problem that the chain cannot be smoothly hung by the hook in the prior art.

The invention reduces the friction force in the process of hanging the chain, improves the smoothness of hanging the chain, reduces the abrasion of parts, and has the advantage of convenient use.

Drawings

FIG. 1 is a schematic view of a hook according to the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

in the figure, a connecting part 1, a first mounting hole 10, a puller bolt 11, a round head 110, a first connecting block 12, a first through hole 120, a second through hole 121, a second mounting hole 13, a rotating block 130, a second connecting block 131, a baffle ring 14, a third mounting hole 140, a hook part 2, a sliding hole 20, a ball 200, an opening 21 and a strip-shaped protrusion 210.

Detailed Description

The invention is further elucidated with reference to the drawing.

The orientations referred to in the specification are based on the orientation of the hook in normal operation, and the orientation of the hook in storage and transportation is not limited, and only represents a relative position relationship, but not an absolute position relationship.

As shown in fig. 1, 2 and 3, the main body of the hook is formed by casting, the main body includes a connecting portion 1 and a hook portion 2, a slide hole 20 is provided in the hook portion 2, the slide hole 20 extends along the bending direction of the hook portion 2, a plurality of balls 200 are fittingly filled in the slide hole 20, the filled plurality of balls 200 are linearly arranged, two adjacent balls 200 are in point contact, and in the present embodiment, the aperture of the slide hole 20 is 0.25 to 0.5mm larger than the diameter of the balls 200. The inner side of the hook part 2 is a surface directly contacting with the chain cable, the inner side of the hook part 2 is provided with an opening 21 communicated with the slide hole 20, part of the ball 200 passes through the opening 21 and is exposed out of the slide hole 20, after the chain cable is hung on the hook, the chain cable is directly pressed on the ball 200, and through the rolling effect of the ball 200, the chain cable can rapidly pass through the inner side of the hook, so that the rapid adjustment of the hanging position of the chain cable is improved.

Further, lubricating oil is injected into the slide hole 20, and the lubricating oil is used to reduce frictional force between the balls 200 and the inner wall of the slide hole 20 and between the balls 200 and the balls 200, thereby improving the smoothness of rolling of the balls 200.

Further, in order to further enhance the structural strength of the two sides of the opening 21, the inner side of the hook portion 2 is provided with strip-shaped protrusions 210, the strip-shaped protrusions 210 are located on the two sides of the opening 21 and extend along the bending direction of the hook portion 2, and the structural strength of the hook at the position of the opening 21 is improved by the strip-shaped protrusions 210.

Further, the end of the connecting portion 1 is provided with a first mounting hole 10 communicated with the slide hole 20, the ball 200 can enter the slide hole 20 through the first mounting hole 10 to realize the filling of the ball 200, a puller bolt 11 is screwed in the first mounting hole 10, the puller bolt 11 is screwed in the first mounting hole 10 to realize the sealing of the first mounting hole 10, and the filled ball 200 is prevented from being separated from the slide hole 20. Further, the round head 110 is provided at one end of the jack bolt 11 facing the slide hole 20, and the round head 110 and the ball 200 form a point contact after the locking bolt is tightened, thereby improving the rolling smoothness of the ball 200.

Further, the end of the connecting portion 1 is rotatably provided with a first connecting block 12, the first connecting block 12 is used for installing a hook, the side of the first connecting block 12 is provided with a first through hole 120, the first connecting block 12 is fixed in the first through hole 120 by inserting a bolt connected to a position to be installed, the end of the first connecting block 12 is provided with a second through hole 121, and the second through hole 121 is used for communicating with the first installing hole 10, so that the ball 200 can be conveniently filled and the puller bolt 11 can be conveniently screwed.

Preferably, the end of the connecting portion 1 is provided with a second mounting hole 13, the second mounting hole 13 is rotatably provided with a rotating block 130, a second connecting block 131 is fixedly connected between the rotating block 130 and the first connecting block 12, the end of the connecting portion 1 is fixedly connected with a retaining ring 14 for limiting the rotating block 130, the retaining ring 14 is provided with a third mounting hole 140 coaxially arranged with the second mounting hole 13, and the second connecting block 131 is rotatably connected in the third mounting hole 140, so that the connecting portion 1 is rotatably connected with the first connecting block 12.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.

Claims

1. The hook is characterized by comprising a connecting part and a hook part which are integrally formed, wherein a sliding hole is formed in the hook part, the sliding hole extends along the bending direction of the hook part, a plurality of balls are filled in the sliding hole in a matching mode, an opening communicated with the sliding hole is formed in the inner side of the hook part, and the ball part penetrates through the opening.

2. A hanger as claimed in claim 1, wherein said slip bore is impregnated with a lubricating oil.

3. A hanger as claimed in claim 1, wherein the hook portion is provided at an inner side thereof with strip-shaped protrusions which are located at both sides of the opening and extend in a bending direction of the hook portion.

4. A dropper as claimed in claim 1, wherein the connecting portion has a first mounting hole at an end thereof communicating with the slide hole, and a tightening bolt is screwed into the first mounting hole.

5. A dropper as claimed in claim 4, wherein the tightening bolt has a rounded end at an end facing the slide hole.

6. A dropper as claimed in any one of claims 1 to 5, wherein the end of the connecting portion is pivotally mounted with a first connecting block, the first connecting block being provided with a first through-hole at a side thereof and a second through-hole at an end thereof in communication with the first mounting hole.

7. The hook according to claim 6, wherein a second mounting hole is formed in an end of the connecting portion, a rotating block is rotatably mounted in the second mounting hole, a second connecting block is fixedly connected between the rotating block and the first connecting block, a retaining ring for limiting the rotating block is fixedly connected to an end of the connecting portion, a third mounting hole is formed in the retaining ring and is coaxial with the second mounting hole, and the second connecting block is rotatably connected to the inside of the third mounting hole.