CN2690653Y

CN2690653Y - Hook

Info

Publication number: CN2690653Y
Application number: CN 200420043484
Authority: CN
Inventors: 张文成
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-03-09
Filing date: 2004-03-09
Publication date: 2005-04-06
Anticipated expiration: 2014-03-09

Abstract

The utility model relates to a hook, in particular to a positioning structure having the two breaches of the closed hook body; the first section positioning structure is pivoted on the first end of the breach of the hook body by a spring element; the other end of the spring element is propelled by the spring, and is spaced in the inner side edge of the second end of the breach of the hook body; the function of closing the breach of the hook body in unidirection is achieved; the utility model is characterized in that the second section positioning structure is arranged between the spring element and the first end of the hook body; a switch is glidingly arranged on the spring element; the switch is acted by the reset spring of the spring element, and the clamp element is positioned on the first end of the hook body; the normal locking state of the breach can be controlled by controlling the spring element; the fixed relation of the hook body and the spring element can be released by pushing the switch; and the hook body can be opened by matching and pressing the spring element; the purpose of dual preserving the closing the hook can be achieved, and the risk of optional open can be avoided.

Description

Hook

Technical field

The utility model is the hook that is applied to the binding between two things about a kind of.

Background technique

Binding between two things or extension or fixing all can use hook, and the effect that reaches fast unit by hook or separate particularly, can be applied to hook as the towing of vehicle or the suspention or the hanging all of crane of light steelframe.

Hook is the earliest mainly colluded to be provided with in the body one and is colluded the hole, collude the hole middle section position relatively and be provided with a breach and collude body, this breach can supply by (for example cable wire or chain or the hook in addition of hook joint thing ...) be inserted in, link or extension or fixed-purpose so that reach.Only, these structures just can cause by the hook joint thing and drop when vibrations or external force start are arranged slightly, and the problem of Security deficiency is arranged.

So, just developing this colludes body and strides in the breach inboard and be provided with a spring spare, spring spare one end is worn pivot in colluding body breach top with pin member, this pin member and confession one torque spring location, torque spring one end is connected to collude body, end then promotes spring spare in addition, make spring spare free end locate being connected to that to collude body breach below inboard, but constitute the elastic structure that a unidirectional blocking colludes the body breach according to this; This is inserted in when colluding in the hole by the hook joint material desire, need only open breach by depressing spring spare, can will be inserted in and collude in the hole by the hook joint thing, and after trip spring spare external force, its spring spare just is closed in the breach inboard with the back stretch of torque spring, make when being deviate from by breach, can be this spring spare restriction by the hook joint material desire.These structures are improved its safe handling property greatly, yet an above-mentioned structure Design only is a single direction elastic limit structure, and unfixing really, so in use for some time, it just has the shortcoming that gets loose easily, so that loses effectiveness; The more important thing is that this spring spare has the situation of random unlatching breach when being subjected to outside forces slightly, cause children or careless slightly personage's easy false touch spring spare and crush or take place by the slippage of hook joint thing that this situation takes place often, this also remains to be improved part for existing structure.

The model utility content

The purpose of this utility model provides a kind of Safety hook, and it increases integrally-built working life, and makes this hook can not be subjected to the outside side force of folk prescription slightly and arbitrarily open.

The utility model is to reach with following technological scheme: hook, and it includes: collude body, be provided with in it and collude the hole, this colludes body and is provided with to connect and colludes the breach in hole, constitutes first end and the second end in the breach two ends and collude body, and this first end also is provided with the pivot hole; Spring spare is to be across breach, and this spring spare then is provided with the pivot hole colluding body first end pivot hole site relatively, and makes a pin member pass this two pivots hole, and spring spare free end then extends to the inner edge that colludes the body the second end, and this spring spare and group are provided with Returnning spring; Spring, spring be with the spring coil around and constitute lumen pore, and radially extend two bodies in lumen pore, this body is to be socketed on to collude then top pushing spring spare inboard of body, another body, makes spring spare free end be subjected to elasticity pushing and pressing and is limited to the second end, constitutes first section position structure; Switch, be installed on spring spare, and along colluding first and second end direction slippage of body, and located by spring spare Returnning spring pushing tow, this switch then is provided with clip piece, this clip piece is subjected to action of reset spring and is positioned to collude body, to constitute second section position structure.

Collude body and be concaved with draw-in groove in first end, the switch clip piece is to be subjected to action of reset spring and to be positioned in the draw-in groove.

Clip piece is the cover plate that is based in switch, and under Returnning spring action and involutory in the first end outer edge surface.

The second end inner edge surface at breach is concaved with containing hole in the position to collude body, and this containing hole is equipped with positioning block towards colluding in the hole, and spring spare then is provided with involutory with it positioning hole at this end.

Spring spare is provided with accommodation space from top to bottom, spring spare hangs down at accommodation space and is provided with baffle plate, this baffle plate is provided with Returnning spring towards colluding body first end direction group, the switch top then constitutes the cover plate big than accommodation space, cover plate is provided with central diaphragm in accommodation space, this central diaphragm extends clip piece towards the body first end, and this central diaphragm also is subjected to action of reset spring.

Spring spare is in accommodation space and collude between the body first end and be provided with spacer block, and the central diaphragm of cover plate is provided with slide block below spacer block, make slide block and cover plate constitute one and be subjected to the cunning of spacer block piece restriction to close the space.

Spring spare is provided with guide groove in the accommodation space both sides along first and second end direction, and switch then is provided with involutory with it slide block, and this slide block is to insert in the guide groove and to two outsides to become folding.

Spring spare is provided with guide groove in the accommodation space both sides along first and second end direction, and switch then is provided with involutory with it slide block, and this slide block is to insert in the guide groove and inwardly become separately to roll over.

The switch clip piece is the setting of relative the second end outer edge surface, and this switch is to be subjected to the Returnning spring pushing tow, and clip piece is involutory in the second end outer edge surface.

Clip piece is provided with towards the second end direction, and this second end then is provided with draw-in groove and is involutory with it, and the spring spare free end while, two point locations were in the second end.

After adopting such scheme, owing to the utlity model has two sections safety switches, even especially second section safety relation keeps normally closed state, so in use for some time, also do not have the worry that gets loose easily and lost efficacy, the effectiveness that can protect accurate action forever; Moreover children or do not notice that the personage also is not easy because of touch-control a little at will open hook and come to harm, and so just can reach the dual advantage that hook is closed of saving from damage.

Description of drawings

Fig. 1 is a decomposing schematic representation of the present utility model;

Fig. 2 is the partial cutaway schematic of the utility model spring spare;

Fig. 3 is the three-dimensional enlarged diagram of the utility model switch;

Fig. 4 is the schematic perspective view of the utility model switch other direction;

Fig. 5 is a combination schematic representation of the present utility model;

Fig. 6 is a generalized section of the present utility model;

Fig. 7 is the action schematic representation of release-push of the present utility model;

Fig. 8 is the utility model second embodiment's schematic representation;

Fig. 9 is the utility model the 3rd embodiment's schematic representation;

Figure 10 is the utility model the 4th embodiment's schematic representation;

Figure 11 is the utility model the 4th embodiment's a switch enlarged diagram;

Figure 12 is the utility model the 5th embodiment's schematic representation;

Figure 13 is the utility model the 5th embodiment's a switch enlarged diagram;

Figure 14 is the utility model the 6th embodiment's schematic representation;

Figure 15 is the utility model the 7th embodiment's schematic representation;

Figure 16 is the utility model the 8th embodiment's schematic representation.

10 collude body 11 colludes the hole

12 breach, 13 first ends

14 draw-in grooves 15 scabble face

16 pivot holes, 17 the second ends

18 containing holes, 19 positioning blocks

20 spring spares, 21 ears

22 pivot holes, 23 pin members

24 positioning holes, 25 accommodation spaces

26 spacer blocks, 27 baffle plates

270 positioning shafts, 28 Returnning springs

29 guide grooves, 31 lumen pores

32,33 bodies

40 switches, 41 cover plates

410 central diaphragms, 42 sliders

43 slide blocks, 44 clip pieces

45 second positioning shafts

Embodiment

See also Fig. 1, the utility model is to include: collude body 10, spring spare 20, spring 30, switch 40 and form, wherein:

Collude body 10, be provided with in it and collude hole 11, this colludes body 10 and is provided with breach 12, breach 12 makes and colludes hole 11 perforations outside colluding body 10, the first end 13 that colludes body 10 breach 12 then is concaved with draw-in groove 14, and make and collude that body 10 is parallel in these ora terminalis two outsides to be provided with two and to scabble face 15, this scabbles face 15 and has provided pivot hole 16; The second end 17 inner edge sides of colluding body 10 breach 12 in addition then are concaved with containing hole 18, and containing hole 18 is provided with a positioning block 19 towards colluding hole 11 contents;

Spring spare 20, as shown in Figures 1 and 2, it is a framework and is across and colludes body 10 breach 12, this spring spare 20 scabbles face 15 positions and is provided with up and down saturating empty ear 21 colluding body 10 relatively, this ear 21 is just involutory scabbles face 15 outsides in two, this ear 21 has also provided pivot hole 22, and the pivot hole 16 that makes a pin member 23 can pass this pivot hole 22 and collude body 10, make that spring spare 20 1 ends are that pivot is fixed in and colludes body 10, spring spare 20 free ends then extend, and it is involutory in the containing hole 18 that colludes body 10 the second ends 17, and make spring spare 20 these ends be provided with the positioning hole 24 that is involutory with positioning block 19, to strengthen the stability of spring spare 20 closures; At spring spare 20 nearly first ends 13 is to be concaved with an accommodation space 25 downwards, 21 of this accommodation space 25 and ears constitute spacer block 26, spring spare 20 lets droop in the position that accommodation space 25 differs from spacer block 26 and is provided with baffle plate 27, this baffle plate 27 is extended with a positioning shaft 270 towards spacer block 26 directions, this positioning shaft 270 fits location Returnning spring 28, and Returnning spring 28 is held in addition towards the first end 13 that colludes body 10;

One spring 30, be with the spring coil around and constitute lumen pore 31, and radially extend two

bodies

32,33 in lumen pore 31, its lumen pore 31 is that supply and marketing part 23 penetrates, one body 32 is to be socketed on to collude then top pushing spring spare 20 of body 10, another body 33, makes spring spare 20 free ends be subjected to body 33 pushing and pressing and sealing breach 12;

One switch 40, please cooperate Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, be to be arranged on spring spare 20 accommodation spaces 25, switch 40 tops constitute the cover plate 41 big than accommodation space 25, cover plate 41 is provided with slider 42, slide at accommodation space 25 upper edge first ends 13 and the second end 17 directions for promoting cover plate 41, cover plate 41 is provided with central diaphragm 410 in addition in accommodation space 25, this central diaphragm 410 is provided with slide block 43 below spacer block 26, make 41 of slide block 43 and cover plates constitute a slipping space that limited by spacer block 26, to guarantee the stability of switch 40 slippages; Its central diaphragm 410 extends a clip piece 44 towards first end 13 draw-in grooves 14 directions in addition, this central diaphragm 410 also is provided with it in opposite directions second positioning shaft 45 in the relative position of spring spare 20 positioning shafts 270, so that fixed reset spring 28 makes Returnning spring 28 can provide clip piece 44 to move involutory default elastic force towards draw-in groove 14 really;

Please cooperate Fig. 6 to see it, the position structure of its first section sealing breach 12, be by spring spare 20 1 ends be hubbed at collude body 10 first ends 13, in addition end is promoted by spring 30 then and is limited in and colludes body 10 the second ends 17 inner side edges, reaches the effect of elastic one-way sealing breach 12; The position structure of its second section sealing breach 12, then mat is slidedly arranged on switch 40 controls of spring spare 20, make this switch 40 under Returnning spring 28 starts that are subjected to spring spare 20, make its clip piece 44 can insert in the draw-in groove 14, make these ends of spring spare 20 can fastenings in colluding body 10 first ends 13, make that spring spare 20 can't be that rotate at the center with pin member 23, control this spring spare and be fixed really for 20 liang, reach the purpose of normally closed locked breach 12 according to this, so structural design has following advantage:

One, increase overall structure working life: it colludes body 10 when being subjected to external force (for example collision or vibrations), this spring spare 20, spring 30 mat switches 40 and one are fixed in colludes body 10, so this external force can be married again to structure more strong collude body 10, in order to do using under the utility model permanent, its spring spare 20, spring 30 also can not become flexible or structure gets loose, and has the essence effect that increases working life to produce.

Two, tool safety in utilization: because spring spare 20 Returnning springs 28 are start switches 40 at any time, make this switch 40 control spring spare 20 normally closed locked breach 12 really, as shown in Figure 7, desire discharges these and unites relation, then must impose a parallel forces to switch 40 cover plates 41, the connection relationship of can trip spring spare 20 and colluding 13 of body 10 first ends, at this moment, spring spare 20 could be pressed into and collude in the hole 11, so that one opens breach 12 and inserts by the hook joint thing, by being as can be known, this kind palpus could be opened with the application of force of two kinds of different direction and collude body 10 structures, can arbitrarily not open because of spring spare 20 is subjected to outside forces slightly, increase safety in utilization greatly, and children, even or careless slightly personage's false touch spring spare 20, this spring spare 20 is not still swayed, and overcomes greatly to commonly use the shortcoming that crushes easily.

Please cooperate Fig. 8, Fig. 9 to see it, it is respectively the utility model second and three embodiments, this embodiment can change arbitrarily in the shape that explanation the utility model colludes body 10, only as long as install switch 40 on the spring spare 20 that its breach 12 is provided with, clutch structure in order to control spring spare 20 pin members 23 ends promptly belongs to technology category of the present utility model.

See also Figure 10, Figure 11, it is the utility model the 4th embodiment, and this embodiment mainly is to change the Sliding Structures of 20 of switch 40 and spring spares; Its spring spare 20 is the parallel guide groove 29 that is provided with in accommodation space 25 both sides, and switch 40 then is provided with slide block 43 in relative guide groove 29 positions, and this slide block 43 is to insert in the guide groove 29 and to two outsides to become folding, and switch 40 location are located on the spring spare 20.

See also Figure 12 and Figure 13, it is the utility model the 5th embodiment, and this embodiment is mainly in the Sliding Structures that changes 20 of switch 40 and spring spares; Its spring spare 20 is the parallel guide groove 29 that also is provided with in accommodation space 25 both sides, and switch 40 then is provided with slide block 43 in relative guide groove 29 positions, and this slide block 43 is to insert in the guide groove 29 and inwardly become separately to roll over, and is slidingly installed on the spring spare 20 in order to do switch 40 can be located.

See also Figure 14, it is the utility model the 6th embodiment, and this embodiment is mainly in the marriage relation that changes switch 40 clip pieces 44 and collude 13 of body 10 first ends; It mainly is based in clip piece 44 cover plate 41 tops, and under Returnning spring 28 starts and involutory in first end 13 outer rims, make spring spare 20 intersect, across sealing collude body 10 breach 12, reach according to this and be equal to the effect shown in first figure.

See also Figure 15, it is the utility model the 7th embodiment, and this embodiment is mainly changing switch 40 clip pieces 44 and colluding marriage relation between body; It is that clip piece 44 is based in cover plate 41 tops, and under Returnning spring 28 starts and involutory in the second end 17 outer edge surfaces, make the 20 free end clampings of spring spare in the inside and outside both sides of the second end 17, so as across sealing collude body 10 breach 12, reach according to this and be equal to effect shown in Figure 1.

See also Figure 16, it is the utility model the 8th embodiment, and this embodiment is also changing switch 30 clip pieces 34 and colluding the consolidation structure of 10 of bodies; Its mainly with clip piece 34 towards the second end 17 direction settings, it can be inserted in the default draw-in groove 14 of the second end 17, make spring spare 20 free ends simultaneously two point locations reach the requirement of locked breach 12 in the second end 17.

In sum, the utlity model has two sections safety switches, even especially second section safety relation keeps normally closed state, so in use for some time, also do not have the worry that gets loose easily and lost efficacy, the effectiveness that can protect accurate action forever; Moreover children or do not notice that the personage also is not easy because of touch-control a little at will open hook and come to harm, and so just can reach the dual advantage that hook is closed of saving from damage; So the utility model has more practical effect and enhancement on the function is arranged than commonly using structure, should accord with novel patent application important document, so hence file an application in accordance with the law.The above person of thought, it only is a preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model, promptly the equalization of being done according to the utility model claim generally changes and modifies, and all should still belong in the scope that the utility model contains.

Claims

1, a kind of hook, it is characterized in that: it includes:

Collude body, be provided with in it and collude the hole, this colludes body and is provided with to connect and colludes the breach in hole, constitutes first end and the second end in the breach two ends and collude body, and this first end also is provided with the pivot hole;

Spring spare is to be across breach, and this spring spare then is provided with the pivot hole colluding body first end pivot hole site relatively, and makes a pin member pass this two pivots hole, and spring spare free end then extends to the inner edge that colludes the body the second end, and this spring spare and group are provided with Returnning spring;

Spring, spring be with the spring coil around and constitute lumen pore, and radially extend two bodies in lumen pore, this body is to be socketed on to collude then top pushing spring spare inboard of body, another body, makes spring spare free end be subjected to elasticity pushing and pressing and is limited to the second end, constitutes first section position structure;

Switch, be installed on spring spare, and along colluding first and second end direction slippage of body, and located by spring spare Returnning spring pushing tow, this switch then is provided with clip piece, this clip piece is subjected to action of reset spring and is positioned to collude body, to constitute second section position structure.

2, hook as claimed in claim 1 is characterized in that: collude body and be concaved with draw-in groove in first end, the switch clip piece is to be subjected to action of reset spring and to be positioned in the draw-in groove.

3, hook as claimed in claim 1 is characterized in that: clip piece is the cover plate that is based in switch, and under Returnning spring action and involutory in the first end outer edge surface.

4, hook as claimed in claim 1 is characterized in that: the second end inner edge surface at breach is concaved with containing hole in the position to collude body, and this containing hole is equipped with positioning block towards colluding in the hole, and spring spare then is provided with involutory with it positioning hole at this end.

5, hook as claimed in claim 1, it is characterized in that: spring spare is provided with accommodation space from top to bottom, spring spare hangs down at accommodation space and is provided with baffle plate, this baffle plate is provided with Returnning spring towards colluding body first end direction group, the switch top then constitutes the cover plate big than accommodation space, cover plate is provided with central diaphragm in accommodation space, this central diaphragm extends clip piece towards the body first end, and this central diaphragm also is subjected to action of reset spring.

6, hook as claimed in claim 5 is characterized in that: spring spare is in accommodation space and collude between the body first end and be provided with spacer block, and the central diaphragm of cover plate is provided with slide block below spacer block, make slide block and cover plate constitute one and be subjected to the cunning of spacer block piece restriction to close the space.

7, hook as claimed in claim 5 is characterized in that: spring spare is provided with guide groove in the accommodation space both sides along first and second end direction, and switch then is provided with involutory with it slide block, and this slide block is to insert in the guide groove and to two outsides to become folding.

8, hook as claimed in claim 5 is characterized in that: spring spare is provided with guide groove in the accommodation space both sides along first and second end direction, and switch then is provided with involutory with it slide block, and this slide block is to insert in the guide groove and inwardly become separately to roll over.

9, hook as claimed in claim 1 is characterized in that: the switch clip piece is the setting of relative the second end outer edge surface, and this switch is to be subjected to the Returnning spring pushing tow, and clip piece is involutory in the second end outer edge surface.

10, hook as claimed in claim 1 is characterized in that: clip piece is provided with towards the second end direction, and this second end then is provided with draw-in groove and is involutory with it, and the spring spare free end while, two point locations were in the second end.