CN2218170Y

CN2218170Y - Hook

Info

Publication number: CN2218170Y
Application number: CN 94246156
Authority: CN
Inventors: 钟宗勇
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-11-23
Filing date: 1994-11-23
Publication date: 1996-01-24
Anticipated expiration: 2004-11-23

Abstract

The utility model relates to a hook with a hammer weight, which is mainly composed of a hammer weight, a positioning base and a hook, wherein, the lower part of the integral structural hammer weight is dented with a chamber of which the top surface is closed, the upper part of the positioning base is convexly provided with a screw part which is correspondingly locked in the chamber, and a threaded rod of the hook is penetrated and pivoted in a shaft hole of the positioning base. Thus, the hook with a hammer weight is formed, the utility model has the advantages of simple structure and high lifting strength, and the hook can be pivoted smoothly.

Description

The heavy suspension hook head of hammer

The utility model relates to the heavy suspension hook head of a kind of hammer, refer to especially a kind of hammer into shape affixed between heavy and positioning seat with relative screw lock form, and cooperate the heavy sealing form of hammer chamber, constituting a structure, to simplify, hang intensity good and can often protect the heavy suspension hook head of hammer of the smooth and easy pivot of suspension hook head.

For such as building ground, factory, building ... in the place, often have the needs of hanging carrying heavy goods, but the apparatus of handling weights such as winch then is the machinery that the most widely uses, and this kind machinery also can be given full play to its functional characteristic really to meet user's demand; For lift heavys such as winch machinery, be a considerable indispensable member again in order to the heavy suspension hook head of hammer that hangs weight.

The kind form of the heavy suspension hook head of hammer is various now, wherein as shown in Figure 3, is that the heavy suspension hook header structure of tradition hammer is quite easily comparatively simplified and used to a structure; It mainly be by the hammer that a bottom is provided with chamber 91 weigh 90 and the suspension hook head 96 that is positioned at the latch fitting 94 of pulling constitute; Wherein, hammer heavy 90 into shape and provide the cylindrical structure of the mesopore 97 that communicates with chamber 91 downwards for the upper surface, and weigh 90 side face appropriate locations at hammer and be drilled with a perforation 92 that runs through chamber 91, the latch fitting 94 of pulling again is that top provides perforation 95 " " shape sheet structure relatively, and the screw rod (not shown in the figures) on suspension hook head 96 tops then borrows nut location screw lock in latch fitting 94 bottoms of pulling; The pull protruding grain 942 of latch fitting 94 of utilization engages with the relative recessed edge 912 of chamber 91, the latch fitting 94 of pulling upwards is inserted in hammer to be weighed in 90 the chamber 91, wearing pin 93 with one again wears to pull and weighs in the perforation 95 of 90 perforation 92 and the latch fitting 94 of pulling at hammer, make that hammer weighs 90, pull latch fitting 94 and suspension hook head 96 are combined into one, constitute a complete heavy suspension hook header structure of hammer.

Still please cooperate referring to shown in Figure 3, though the structural form of the heavy suspension hook head of above-mentioned tradition hammer is quite simple, and assembling use also quite convenient because that its structure design is not attained is perfect, so have following shortcoming in the enforcement using:

(1) because the lift heavy cable wire is to weigh 90 mesopore 97 and Shu Gu is wearing (not shown in the figures) on the pin 93 by hammer, when so suspension hook head 96 is hung weight, weight is born by the latch fitting 94 of pulling fully together with the weight of suspension hook head 96, if hang too heavy latch fitting 94 tensile deformations of pulling that just very easily cause of weight, make that not only the ability of hanging of the heavy suspension hook head of whole hammer is restricted greatly, and in case the latch fitting 94 distortion fractures of pulling just can cause the serious consequence of hanging the weight damage and jeopardizing related personnel's life security;

(2) directly communicate owing to this mesopore 97 of hammering heavy suspension hook head into shape with chamber 91, so make suspension hook head 96 be locked in to pull the screw rod of latch fitting 94 and nut just as exposed (not shown in the figures), because the hammer accent is to use in places such as building site or factories more, so extraneous dust enters chamber 91 by mesopore 97 easily, and laying dust is being pulled latch fitting 94 bottom surfaces, makes the nut and latch fitting 94 bottom surfaces of pulling produce friction force, causes 96 rotations of suspension hook head dumb, on foot increase work load, so in addition improved necessity is arranged.

Given this, main purpose of the present utility model is: provide a kind of structure to simplify, intensity is good and can keep the suspension hook head heavy suspension hook head of hammer smoothly that pivots; It is to constitute with positioning seat, suspension hook head by the hammer of integrative-structure is heavy, wherein the heavy lower surface of hammer is arranged with end face osed top chamber, positioning seat top is convexly equipped with spiral shell portion and locks in this chamber relatively again, with the structural feature of simplifying, the heavy suspension hook head of hammer is reached hang intensity good and keep a plurality of purposes of the smooth and easy pivot of suspension hook head.

The technical solution of the utility model is: the heavy suspension hook head of a kind of hammer, mainly be to constitute by hammer weight, positioning seat and suspension hook head, the heavy bottom of hammer is provided with fixed the closing of cable wire lock bundle of chamber and top and lift heavy machinery, the screw rod that extend suspension hook head below hook portion and top places pivot and pulls in the axis hole of positioning seat, and its characteristics are:

Hammer heavily upwards is arranged with the integrative-structure of circular groove shape chamber for the lower surface, the end face of this chamber is provided with negative thread for sealing form and side face, the heavy chamber of corresponding again hammer, positioning seat top is convexly equipped with a side face relatively and has externally threaded spiral shell portion, wherein, the relative screw lock of positioning seat spiral shell portion is positioned at the heavy chamber of hammer, constitutes one and hangs the heavy suspension hook head of the good hammer of intensity.

The heavy suspension hook head of aforesaid hammer, its characteristics are: hammer appropriate location, heavy bottom into shape and establish a pin-and-hole that runs through chamber wall, the spiral shell portion relative position of positioning seat also is drilled with a pin-and-hole again, utilizes a hollow pins to wear to pull this two pin-and-hole, thereby makes the screw lock location of positioning seat can slippage.

Owing to the utlity model has special structural design,, have following advantage so using in the enforcement:

(1) since hammer of the present utility model heavy with positioning seat between be to utilize screw lock to cooperate the location form of hollow pins to combine, so have quite firm anchoring strength between the two, and hammer heavily is the structural form of Construction integration, when so the suspension hook head is hung weight, the utility model can provide the enough intensity of hanging, and guarantees the safe and complete of personnel and hanging object.

(2) after the positioning seat screw lock is positioned at the heavy below of hammer, the chamber that hammer is heavy is hedged off from the outer world for the sealing form, make that the screw rod and the nut of suspension hook head can be by dust institute jams, guarantee that the suspension hook head can rotate flexibly, the pad of fitted bearing spare is established again, make the pivot of suspension hook head more flexible, and have the preferred positioning effect.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Fig. 1 is a three-dimensional exploded view of the present utility model, in order to the relativeness between structural form of the present utility model and member to be described.

Fig. 2 is a plane of the present utility model assembled sectional view, in order to the relative group of relation of establishing between the utility model member to be described and to pull to mode.

Fig. 3 is the three-dimensional exploded view of the heavy suspension hook head of tradition hammer, establishes relation in order to the structural form that the heavy suspension hook head of tradition hammer is described with relative group.

Please cooperate referring to shown in Fig. 1,2, the utility model is the heavy suspension hook head of a kind of hammer, mainly be by hammer weigh 10, positioning seat 20 and suspension hook head 30 constituted, the hammer of integrative-structure weighs 10 bottoms and is arranged with an end face osed top chamber 11, the spiral shell portion 22 relative screw locks on positioning seat 20 tops are positioned in this chamber 21 again, and the screw rod 32 on the suspension hook head 30 tops pivot that stretches through is solid in the axis hole 21 of positioning seat 20, and constituting a structure, to simplify, hang intensity good, and can keep the heavy suspension hook header structure of hammer of suspension hook head 30 smooth and easy pivots.

As shown in Figure 1, 2, hammer heavy 10 into shape and upwards be arranged with the cylindrical integrative-structure that chamber 11 and end face are drilled with apical pore 14 downwards for the bottom surface; Wherein, the side face of circular groove shape chamber 11 is provided with negative thread to form spiral shell edge 12, and wall also has a pin-and-hole 13 to weigh the wall that appropriate location, 10 bottom provides chamber 11 by hammer, and chamber 11 end faces are the sealing forms that do not connect mutually with apical pore 14; Again, hammer the relative apical pore 14 in heavy 10 tops into shape and level provides a perforation 15, this perforation 15 and apical pore 14 are conducted, and wear pin 16 is provided with through hole 17 for end shank structure;

Positioning seat 20 is that the place, axle center provides the circular block body structure that the relative chamber 11 of an axis hole 21 and top is convexly equipped with spiral shell portion 22; Wherein, the spiral shell edge 12 of corresponding chamber 11, spiral shell portion 22 side faces are provided with outside thread, and evagination forms one and pastes edge 25 between this spiral shell portion 22 and positioning seat 10 lower body, axis hole 21 inner peripheral surface middle position one convex with the convex contact ring 23 of proper wall thickness again, thereby two bearings part 26 being overlapped respectively pull is positioned in the axis hole 21 of convex contact ring 23 upper and lower positions, and this bearing part 26 is that institute constitutes in the middle of being set in upper and lower bearing by series of balls; And corresponding hammer weighs 10 pin-and-hole 13, and the spiral shell portion 22 suitable relative positions of positioning seat 20 provide a pin-and-hole 24; In addition, suspension hook head 30 be the below form can for hang weight fall "? " the coupler body structure of shape hook portion 31 and top vertical extent one screw rod 32.

Still see also shown in Fig. 1,2 and be illustrated to of the present utility model group if with mode, the screw rod 32 that at first is suspension hook head 30 upwards is located in the axis hole 21 of positioning seat 20, and suitable nut 33 relative screw locks are arranged on the externally threaded free end of screw rod 32 tools, and have a locating dowel pin to wear to pull in nut 33 and the screw rod 32 relative pin-and-holes that provide 34, to stop getting loose of nut 33; Wherein,, utilize the pivotal nature of bearing part 26, make suspension hook head 30 obtain rotate effect smoothly because nut 33 is urgent above bearing part 26;

Secondly, with the spiral shell portion 22 of positioning seat 20 and the spiral shell edge 12 relative screw locks of chamber 11, positioning seat 20 is set firmly be positioned to hammer into shape to weigh 10 bottoms; Wherein, weigh 10 times ora terminalis and paste when neat, hammer heavy 10 pin-and-hole 13 into shape and just align, and with one with the pin-and-holes 24 of positioning seat 20 when pasting edge 25 and hammer " C " hollow pins 19 in word shape cross section places to open and pulls in this two pin-and-hole 13,24, slide with the pine that avoids positioning seat 20;

At last, be located in hammer and weigh in 10 the perforation 15 wearing pin 16, and insert to pull with a latch 18 be connected with the cable wire 40 of lift heavy machinery behind the through hole 17 of wearing pin 16, its free end weighs 10 apical pore 14 by hammer and Shu Gu is wearing on the pin 16, finish the assembling of the utility model single-piece, form structure as shown in Figure 2.

Claims

1. a hammer weighs the suspension hook head, mainly be to constitute by hammer weight, positioning seat and suspension hook head, the heavy bottom of hammer is provided with fixed the closing of cable wire lock bundle of chamber and top and lift heavy machinery, and the screw rod that extend suspension hook head below hook portion and top places pivot and pulls in the axis hole of positioning seat, it is characterized in that:

Hammer heavily upwards is arranged with the integrative-structure of circular groove shape chamber for the lower surface, the end face of this chamber is provided with negative thread for sealing form and side face, the heavy chamber positioning seat top of corresponding again hammer is convexly equipped with the externally threaded spiral shell of all masks portion relatively, and wherein, the relative screw lock of positioning seat spiral shell portion is positioned in the heavy chamber of hammer.

2. the heavy suspension hook head of hammer according to claim 1 is characterized in that: hammer appropriate location, heavy bottom into shape and establish a pin-and-hole that runs through chamber wall, the spiral shell portion relative position of positioning seat also is drilled with a pin-and-hole again, and a hollow pins is worn and pulled in this two pin-and-hole.