CN201636440U

CN201636440U - Hook

Info

Publication number: CN201636440U
Application number: CN2010201667274U
Authority: CN
Inventors: 蒋建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-22
Filing date: 2010-04-22
Publication date: 2010-11-17
Anticipated expiration: 2020-04-22

Abstract

A hook is provided with a hook body, wherein the upper part of the hook body is provided with a through hole; the lower part of the hook body is provided with a connecting shaft which is matched with the through hole; a connecting key is arranged on one of the through hole and the connecting shaft; a key slot and a limit slot matched with the connecting key are arranged on the other of the connecting shaft and the through hole; the key slot is communicated with the limit slot; two ends of the limit slot form a first limit edge and a second limit edge; the side edge of the limit slot adjacent to the key slot forms a first stop edge and a second stop edge; the first limit edge is adjacent to the first stop edge; and the second limit edge is adjacent to the second stop edge. The hook can realize upright hanging as well as vertical hanging and can be connected firmly.

Description

Hook

Technical field

The utility model relates to a kind of cable bearer, specifically is a kind of hook.

Background technique

Chinese patent CN201250955Y discloses a kind of Ore Cable Hanger, it has the arc coupler body, be provided with through hole on coupler body top, be provided with the coupling shaft with the through hole corresponding matching in the coupler body bottom, be provided with keyway in the described through hole, the back side of through hole is provided with one section curve bath, keyway and curve bath communicate, and the axle head of described coupling shaft is provided with a projection, between two different coupler bodies, the projection of one of them coupler body can pass the keyway of another coupler body, rotates in the curve bath of another coupler body.When two coupler bodies articulated, two coupler bodies, 90 degree that stagger up and down made the coupling shaft projection of a coupler body pass the keyway of next coupler body, revolved then to turn 90 degrees and can realize, when taking off hook, needed counterrotating 90 to spend.So the staggering and rotate of wide-angle, make that the dismounting of above-mentioned hook is very inconvenient, especially little or link up with when bearing more energetically when the dismounting surrounding space, the rotary manipulation that staggers of wide-angle gets up just more difficult.And, need two vertical connections of hook in the reality sometimes, and above-mentioned hook can only be realized point-blank articulating, when upper and lower two described when linking up with into an angle of 90 degrees, described projection will break away from described keyway, two hooks are just thrown off easily up and down.

Chinese patent literature CN101235928A also discloses a kind of multipurpose combined hook, comprising: coupler body, and the top of coupler body is provided with through hole, has keyway in the through hole, and the bottom of coupler body is provided with and the corresponding spreader of above-mentioned through hole, has key below the spreader.The top of coupler body has sagittate elasticity anticreep pawl.The top design of spreader has stop block, and the outer end design of stop block has the dismounting inclined-plane.During use, only the through hole of linking up with below need be inserted in the spreader of a last hook, and the anticreep pawl on next hook top is sprung in the stop block, need not rotation angle like this and both can realize dismounting.But the coupler body after above-mentioned the articulating combination is straight, can not swing, and when hook bore bigger torsion, because last lower hook body can not relatively rotate, coupler body was subjected to the effect easy deformation of above-mentioned torsion even fractures.And, make above-mentioned connection very insecure because elasticity anticreep pawl ratio is easier to fracture impaired.And above-mentioned multipurpose combined hook also can only be realized articulating of vertical direction, can't realize vertical connection, can not satisfy actual demand.

The model utility content

For this reason, the purpose of this utility model is to provide a kind of novel hook of vertically connecting and being connected firmly of can realizing vertically articulating and can realize.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:

A kind of hook has coupler body, and the top of described coupler body is provided with through hole, and the bottom of described coupler body is provided with the coupling shaft that cooperates with described through hole, and one of described through hole or described coupling shaft are provided with connecting key; Another of described coupling shaft or through hole is provided with keyway and the restraining groove that cooperates with described connecting key, and described keyway communicates with described restraining groove; The place, two ends of described restraining groove forms first position-limited edge and second position-limited edge, the side that described restraining groove is adjacent with described keyway constitutes the first anti-avulsion limit and the second anti-avulsion limit, described first position-limited edge is adjacent with the described first anti-avulsion limit, and described second position-limited edge is adjacent with the described second anti-avulsion limit.

Described restraining groove equates to the distance of first position-limited edge and second position-limited edge.

Described connecting key is positioned at described through hole; Described keyway and described restraining groove are positioned on the described coupling shaft.

The width of described keyway is b, and the width of described connecting key is a, b=1.5a

Technique scheme of the present utility model has the following advantages compared to existing technology:

Can only realize the hook that vertically articulates in the prior art, hook of the present utility model can be realized vertically articulating and can realize vertically articulating and being connected firmly.Described restraining groove equates to the distance of first position-limited edge and second position-limited edge, when described connecting key departs from described first position-limited edge and the second position-limited edge certain distance, described two hooks still can be realized stable the connection, guarantee that at utmost described hook is vertically articulating and stability connected vertically.Described bindiny mechanism comprises the connecting key that is arranged on the described through-hole wall, and be arranged on keyway and restraining groove on the described coupling shaft outer wall, the width of described keyway is b, the width of described connecting key is a, described b=1.5a had not only guaranteed that convenience is aimed to articulate but also make described connecting key can not skid off from described keyway easily.

Description of drawings

For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below

Fig. 1 is the structural representation of the utility model hook;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the hook schematic representation after articulating.

Reference character is expressed as among the figure: 1-coupler body, 2-through hole, 21-connecting key, 3-coupling shaft, 31-keyway, 32-restraining groove, 321-first position-limited edge, the 323-first anti-avulsion limit, 322-second position-limited edge, the 324-second anti-avulsion limit.

Embodiment

Arrive an embodiment of the present utility model shown in Figure 3 referring to Fig. 1, hook has the coupler body 1 of arc, be provided with through hole 2 on the top of described coupler body 1, the bottom of described coupler body 1 is provided with the coupling shaft 3 that cooperates with described through hole 2, the connecting key 21 that it is a that the madial wall of described through hole 2 is provided with a width, the outer wall of described coupling shaft 3 is provided with the keyway 31 that width is b, with restraining groove 32, described keyway 31 and described restraining groove 32 communicate, and described restraining groove 32 is the curve baths that are 90 degree along the excircle setting of described coupling shaft 3.The place, two ends of described restraining groove 32 forms first position-limited edge 321 and second position-limited edge 322, described first position-limited edge 321 be positioned at coupling shaft 3 under the position, described restraining groove 32 and described keyway 31 adjacent sides constitute the first anti-avulsion limit 323 and the second anti-avulsion limit 324, described first position-limited edge 321 is adjacent with the described first anti-avulsion limit 323, and described second position-limited edge 322 is adjacent with the described second anti-avulsion limit 324; Described first position-limited edge 321 rotates relative to described coupling shaft 3 by the described connecting key 21 of restriction with described second position-limited edge 322, thereby limit another the described hook rotation relatively of a described hook, described first anti-avulsion limit 323 and the described second anti-avulsion limit, the 324 described connecting keys 21 of restriction moving axially along described coupling shaft 3.Described connecting key 21 equates that to the distance of described first position-limited edge 321 and second position-limited edge 322 when described connecting key 21 was positioned at described first position-limited edge 321 and the described first anti-avulsion limit 323, two hooks vertically articulated up and down; When described connecting key 21 is positioned at second position-limited edge 322 and the described second anti-avulsion limit 324, two vertical connections of hook up and down.When described connecting key 21 departed from described first position-limited edge 321 and described second position-limited edge, 322 certain distances, described two hooks still can be realized stable the connection, guarantee that at utmost described hook is vertically articulating and stability connected vertically.Wherein, b=1.5a had not only guaranteed that convenience is aimed to articulate but also make described connecting key 21 can not skid off from described keyway 31 easily.

When articulating, the described coupling shaft 3 of a described hook is aimed at the through hole 2 of another described hook, upper and lower two described hooks stagger 45 the degree, make the described keyway 31 of a described hook aim at the connecting key 21 of next described hook, when the described coupling shaft 3 of a last described coupler body enters the described through hole 2 of next described coupler body fully, with last described coupler body rotation 45 degree, make the described connecting key 21 of next described coupler body be blocked the location by 32 1 sides of the described restraining groove of a last described coupler body, two described hooks vertically articulate up and down.When needs are got next hook, only need up and down two described hooks, 45 degree that stagger, make the connecting key 21 of next described hook aim at the described keyway 31 of a last described hook, slightly firmly take off next described hook.Thus, 45 degree that only need to stagger just can mount and dismount hook, rotate the hook that an angle of 90 degrees could be realized installation with respect to needs, and this novel described hook is more convenient relatively.In addition, because described restraining groove 32 is the curve baths that are 90 degree along the excircle setting of described coupling shaft 3, so can rotating 90 in restraining groove 32, the described connecting key 21 of the described hook of the described next one spends to second position-limited edge vertical connection of 322 realizations, simultaneously because next described hook can be gone up a described hook relatively slides to revolve and turn 90 degrees, reduce the torsion of receiving when described hook waves significantly, prolong the working life of described hook.

As another embodiment of the present utility model, the width of described keyway 31 is that b is 1.2 times of width a of described connecting key 21, as long as b can both realize the purpose of this utility model greater than a, other is with embodiment one, and this does not give unnecessary details.

As the 3rd embodiment of the present utility model, described restraining groove 32 is that described keyway 31 is arranged on described restraining groove 32 along 2/3rds places on the described coupling shaft 3 excircle directions along the curve baths that are 90 degree of the excircle setting of described coupling shaft 3.

As the 4th embodiment of the present utility model, described keyway 31 and restraining groove 32 are arranged in the described through hole 2, and described connecting key 21 is arranged on the described coupling shaft 3, and other is with embodiment one.Bindiny mechanism by 32 one-tenth of connecting key 21 and keyway 31 and restraining groove structures in the present embodiment can be replaced by similar structure of the prior art.

Obviously, the foregoing description only is for example clearly is described, and is not the qualification to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation of being extended out thus or change still are among the protection domain of the present utility model.

Claims

1. hook, has coupler body (1), the top of described coupler body (1) is provided with through hole (2), and the bottom of described coupler body (1) is provided with the coupling shaft (3) that cooperates with described through hole (2), and one of described through hole (2) or described coupling shaft (3) are provided with connecting key (21); Another of described coupling shaft (3) or through hole (2) is provided with keyway (31) and the restraining groove (32) that cooperates with described connecting key (21), and described keyway (31) communicates with described restraining groove (32); It is characterized in that: the place, two ends of described restraining groove (32) forms first position-limited edge (321) and second position-limited edge (322), the side that described restraining groove (32) is adjacent with described keyway (31) constitutes the first anti-avulsion limit (323) and the second anti-avulsion limit (324), described first position-limited edge (321) is adjacent with the described first anti-avulsion limit (323), and described second position-limited edge (322) is adjacent with the described second anti-avulsion limit (324).

2. hook according to claim 1 is characterized in that: described restraining groove (32) equates to the distance of first position-limited edge (321) and second position-limited edge (322).

3. hook according to claim 1 and 2 is characterized in that: described connecting key (21) is positioned at described through hole (2); Described keyway (31) and described restraining groove (32) are positioned on the described coupling shaft (3).

4. hook according to claim 3 is characterized in that: the width of described keyway (31) is b, and the width of described connecting key (21) is a, b=1.5a.