CN217921057U

CN217921057U - Electric block lifting hook

Info

Publication number: CN217921057U
Application number: CN202222089939.2U
Authority: CN
Inventors: 叶军
Original assignee: Zhejiang Yueyao Lifting Machinery Co ltd
Current assignee: Zhejiang Yueyao Lifting Machinery Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-29
Anticipated expiration: 2032-08-09

Abstract

The utility model provides an electric block lifting hook, including lifting hook mount pad and lifting hook body, the lifting hook body includes hook handle and gib head, and the inserting groove has been seted up to the lower extreme of lifting hook mount pad, and the inserting groove is inserted to the upper end of hook handle, and the inner cell wall department of inserting groove has seted up positioning ring groove one, and positioning ring groove two has been seted up to the lateral wall department of hook handle, is provided with a plurality of balls between positioning ring groove one and the positioning ring groove two, and the inner wall of ball and positioning ring groove one and the inner wall of positioning ring groove two are inconsistent. The outer wall of ball offsets with the interior cell wall of positioning ring groove one and the interior cell wall of positioning ring groove two, is used for fixing a position the hook shank on the one hand for the hook shank is difficult to break away from the lifting hook mount pad, and on the other hand is used for reducing the frictional force between hook shank and the lifting hook mount pad, makes the lifting hook body rotate more smoothly. The lifting hook body is connected with the lifting hook mounting seat through a plurality of balls, and the advantage of low production cost exists.

Description

Electric hoist lifting hook

Technical Field

The utility model relates to an electric block accessory especially relates to an electric block lifting hook.

Background

At present, chinese patent with publication number CN204150941U discloses a loop chain electric hoist lifting hook, which comprises a lifting hook mounting seat and a lifting hook body. The lifting hook mounting seat comprises a shell body which is symmetrically arranged, and a lifting hook fixing ring mounting groove and a one-way thrust ball bearing mounting groove are sequentially arranged on the inner side of the shell body from top to bottom. The lifting hook body includes lifting hook handle and lifting hook gib head, and lifting hook handle is fixed in lifting hook retainer plate mounting groove and one-way thrust ball bearing mounting groove through lifting hook retainer plate and one-way thrust ball bearing to can 360 degrees rotations.

However, the lifting hook body in the lifting hook of the chain electric hoist needs to be connected with the lifting hook mounting seat through the lifting hook fixing ring and the one-way thrust ball bearing, and the problem of high production cost exists.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an electric block lifting hook, it has low in production cost's advantage.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an electric block lifting hook, includes rotation continuous lifting hook mount pad and lifting hook body, the lifting hook body includes integrated into one piece's hook handle and gib head, the inserting groove has been seted up to the lower extreme of lifting hook mount pad, insert the upper end of hook handle the inserting groove, the interior cell wall department of inserting groove has seted up positioning ring groove one, positioning ring groove two has been seted up to the lateral wall department of hook handle, positioning ring groove one with relative about positioning ring groove two, positioning ring groove one with be provided with a plurality of balls between the positioning ring groove two, the ball with positioning ring groove one the inner wall and positioning ring groove two's inner wall is inconsistent.

Through above-mentioned technical scheme, the outer wall of ball offsets with the inner tank wall of positioning ring groove one and the inner tank wall of positioning ring groove two, is used for fixing a position the hook handle on the one hand for the hook handle is difficult to break away from the lifting hook mount pad, and on the other hand is used for reducing the frictional force between hook handle and the lifting hook mount pad, makes the lifting hook body can rotate more smoothly. The lifting hook body is connected with the lifting hook mounting seat through a plurality of balls, and the advantage of low production cost exists.

Preferably, the through hole is formed in the side wall of the lifting hook mounting seat, the through hole is communicated with the first positioning ring groove, the ball can penetrate through the through hole, and a plug is arranged in the through hole.

Through the technical scheme, when the electric hoist lifting hook is assembled, the upper end of the hook handle is inserted into the insertion groove, the positioning ring groove II is opposite to the positioning ring groove I in the left-right direction, the plurality of balls are controlled to penetrate through the through hole, the plurality of balls enter the space between the positioning ring groove I and the positioning ring groove II, and the plug is inserted into the through hole to plug the through hole.

The side wall of the lifting hook mounting seat is provided with the through hole, so that the dismounting process of the lifting hook of the electric hoist is more convenient. The plugs are arranged inside the through holes, so that the balls can be blocked, and the balls are not easy to separate from the lifting hook mounting seat.

Preferably, an internal thread is arranged on the inner wall of the through hole, an external thread is arranged on the outer wall of the plug, and the internal thread and the external thread are screwed and fixed.

Through above-mentioned technical scheme, internal thread and external screw thread are mutually supported, can effectively promote the joint strength between lifting hook mount pad and the end cap.

Preferably, an operation groove is formed in the end part of the plug.

Through above-mentioned technical scheme, insert instruments such as screwdriver into the operation groove, can effectively control the end cap and rotate for the dismouting process of end cap becomes comparatively convenient.

Preferably, a groove is formed in the side wall of the lifting hook mounting seat, and the through hole is formed in the inner groove wall of the groove.

Through above-mentioned technical scheme, the recess can be accomodate the tip of end cap for protect the tip of end cap.

Preferably, the top of the lifting hook mounting seat is provided with a chain mounting groove, the side wall of the lifting hook mounting seat is provided with a jack, the jack is communicated with the chain mounting groove, and an inserted bar is arranged in the jack.

Through above-mentioned technical scheme, during the use, stretch into the chain mounting groove with the one end of chain, insert the inserted bar in the jack for the inserted bar passes from the chain, is used for fixing a position the chain.

Preferably, the inner wall of the jack is provided with an internal thread, the outer wall of the inserted link is provided with an external thread, and the internal thread is screwed and fixed with the external thread.

Through above-mentioned technical scheme, the internal thread cooperatees with the external screw thread, can effectively promote the joint strength between lifting hook mount pad and the inserted bar.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic cross-sectional view of an embodiment.

Reference numerals: 1. a hook mounting base; 2. a hook body; 21. a hook handle; 22. a hook head; 3. inserting grooves; 4. a first positioning ring groove; 5. a second positioning ring groove; 6. a ball bearing; 7. a through hole; 8. a plug; 9. an operation slot; 10. a groove; 11. a chain mounting groove; 12. a jack; 13. and (4) inserting the rod.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so as to make the technical solutions of the present invention easier to understand and grasp.

An electric hoist lifting hook is shown in fig. 1 to 2 and comprises a lifting hook mounting base 1 and a lifting hook body 2 which are rotatably connected.

The upper end of the lifting hook mounting seat 1 is provided with a chain mounting groove 11 for the chain to extend into. The lateral wall department of lifting hook mount pad 1 has seted up jack 12, and jack 12 is linked together with chain mounting groove 11. The insertion hole 12 is provided with an insertion rod 13, and the insertion rod 13 penetrates through the chain installation groove 11. The inner wall of the jack 12 is provided with an internal thread, the outer wall of the inserted link 13 is provided with an external thread, and the internal thread and the external thread are screwed and fixed.

The lower end of the lifting hook mounting seat 1 is provided with an inserting groove 3, and the notch of the inserting groove 3 is circular. The inner groove wall of the inserting groove 3 is provided with a first locating ring groove 4, and the cross section of the first locating ring groove 4 is semicircular. The hook body 2 includes a shank 21 and a hook head 22 which are integrally formed. The upper end of the shank 21 is inserted into the insertion groove 3. The side wall of the hook handle 21 is provided with a second positioning ring groove 5, the second positioning ring groove 5 is opposite to the first positioning ring groove 4 in left and right, and the section of the second positioning ring groove 5 is semicircular. A plurality of balls 6 are arranged between the first positioning ring groove 4 and the second positioning ring groove 5, and the outer wall of each ball 6 is abutted to the inner wall of the first positioning ring groove 4 and the inner wall of the second positioning ring groove 5.

The side wall of the lifting hook mounting seat 1 is provided with a through hole 7, the through hole 7 is communicated with the first positioning ring groove 4, and the ball 6 can pass through the through hole 7. A plug 8 is detachably arranged in the through hole 7, and an operation groove 9 is formed in the end part of the plug 8. The inner wall of the through hole 7 is provided with an internal thread, the outer wall of the plug 8 is provided with an external thread, and the internal thread and the external thread are screwed and fixed.

The lateral wall department of lifting hook mount pad 1 has seted up recess 10, and jack 12 and through-hole 7 are all seted up in the inner tank wall department of recess 10, and jack 12 is located the top of through-hole 7.

Of course, the above is only the typical example of the present invention, in addition, the present invention can also have other multiple specific embodiments, and all the technical solutions formed by adopting equivalent replacement or equivalent transformation all fall within the scope of the present invention.

Claims

1. The utility model provides an electric block lifting hook, includes rotation linking to each other lifting hook mount pad (1) and lifting hook body (2), lifting hook body (2) include integrated into one piece's hook handle (21) and gib head (22), characterized by: inserting groove (3) have been seted up to the lower extreme of lifting hook mount pad (1), insert in the upper end of hook handle (21) inserting groove (3), positioning ring groove (4) have been seted up to the inner wall department of inserting groove (3), positioning ring groove two (5) have been seted up to the lateral wall department of hook handle (21), positioning ring groove (4) with relative about positioning ring groove two (5), positioning ring groove one (4) with be provided with a plurality of balls (6) between positioning ring groove two (5), ball (6) with the inner wall of positioning ring groove one (4) and the inner wall of positioning ring groove two (5) is inconsistent.

2. The electric hoist lifting hook according to claim 1, characterized in that: through-hole (7) have been seted up to the lateral wall department of lifting hook mount pad (1), through-hole (7) with positioning ring groove (4) are linked together, ball (6) can pass through-hole (7), be provided with end cap (8) in through-hole (7).

3. The electric hoist lifting hook as claimed in claim 2, characterized in that: the inner wall of the through hole (7) is provided with an internal thread, the outer wall of the plug (8) is provided with an external thread, and the internal thread and the external thread are screwed and fixed.

4. The electric hoist lifting hook according to claim 3, characterized in that: an operation groove (9) is formed in the end portion of the plug (8).

5. The electric hoist lifting hook according to claim 2, characterized in that: the side wall of the lifting hook mounting seat (1) is provided with a groove (10), and the through hole (7) is formed in the inner groove wall of the groove (10).

6. The electric hoist lifting hook according to claim 1, characterized in that: chain mounting groove (11) have been seted up at the top of lifting hook mount pad (1), jack (12) have been seted up to the lateral wall department of lifting hook mount pad (1), jack (12) with chain mounting groove (11) are linked together, be provided with inserted bar (13) in jack (12).

7. The electric hoist lifting hook as claimed in claim 6, characterized in that: the inner wall of the jack (12) is provided with an internal thread, the outer wall of the inserted bar (13) is provided with an external thread, and the internal thread is screwed and fixed with the external thread.