CN201073034Y

CN201073034Y - Packaging-buckle improvement structure

Info

Publication number: CN201073034Y
Application number: CNU2007201415661U
Authority: CN
Inventors: 吴克孝
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-21
Filing date: 2007-03-21
Publication date: 2008-06-18
Anticipated expiration: 2017-03-21

Abstract

The utility model relates to an improved structure of clasp, comprising a flat box-shaped sealed body, wherein, a shell base with a clasp body and a elastic cramp is arranged on the inner wall of the sealed body; a cover plate, wherein, the cover plate is matched with and stuck into one with the opening of the first surface of the shell base; and an elastic wire, wherein, the elastic wire is in a U-shaped and is provided with a first pintle hook and a second pintle hook on the two ends, which is sued for buckling the first clasp shoulder and the second clasp shoulder of the clasp body to position through the shell base. The one end of the elastic wire is provided not only with a pintle hook by bending upwards but also with a wavy stop section. A guide groove is arranged in the shell base and is tightly contacted with the stop section. When the elastic wire is buckled with the clasp body in the shell base, the stop section is tightly contacted with the guide groove and the resistance of the elastic wire for pulling out is increased, simultaneously the length of the pintle hook is shortened, therefore avoiding the elastic wire from pulling out forcibly and improving the safety of the locked things.

Description

The closure structure-improved

Technical field

The relevant a kind of closure structure of the utility model, referring in particular to a kind ofly increases the resistance that elastica is pulled out, and clasp length shortens, and prevents to extract by force elastica, and then improves by the closure structure-improved of closure thing security.

Background technology

The closure of in the past commonly using, in shell block, be provided with button, upwards be bent with the clasp of equivalent length in the elastica two ends, after the clasp of elastica buckles into button in the shell block, as desire free-hand extract elastica and be not easy need sizable strength, truly have its suitable security, but tool using, impose the strength of certain degree, the possibility that causes the clasp distortion that elastica is extracted not is not have fully, therefore also is concealed with unsafe factor to a certain degree in the use of closure.

Summary of the invention

Main purpose of the present utility model is, a kind of closure structure-improved is provided, to solve aforementioned disappearance, increase the difficulty that elastica is pulled out, raising is bent with the resistance part of one section wave-like by the security of closure thing and the top on clasp, in shell block, be provided with the guide groove that closely contacts with this resistance part, behind the button in elastica buckles into shell block, the resistance part also closely contacts with guide groove simultaneously, increase the resistance that elastica is pulled out, reach elastica and be difficult for being pulled out raising by the security of closure thing.

Technical solutions of the utility model: a kind of closure structure-improved, it is characterized in that, comprising:

-shell block is a box body, and first is opening; One side of second sealed wall central authorities has the button that protrudes sealed wall and be lower than limit wall and sealed wall consubstantiality, and this button below has locating slot, the top has block, and have hypotenuse on button, the downside of this hypotenuse has the laterally recessed button rank of upper vertical; Side in aforementioned button is embedded with elastic fastening plate, and this elastic fastening plate one side is resisted against on the catch with the button consubstantiality, has guide groove between this catch and limit wall, on the wall of the limit, top side of shell block, the through hole that penetrates for first and second button rank of elastica is arranged again; And

-make it the cover plate of the demihull shape of driving fit in order to cooperate first opening of aforementioned shell block, be provided with locating piece in the position of the corresponding aforementioned shell block locating slot of this cover plate inner edge, this cover plate inner edge is provided with the flange that cooperates each depressed part in the aforementioned shell block again; And

-elastica, be shaped by the elastic metal wire bending, first and second clasp at two ends is in same plane, this second clasp upwards to bend length short than first clasp, and be bent with one section wavy resistance part in second clasp top, the bending width of this resistance part is greater than the guide groove width of aforementioned shell block.

Wherein, the resistance part of elastica is wavy.

Wherein, the resistance part of elastica is that arc is wavy or trapezoidal wavy.

The utility model function and beneficial effect: pass through said structure, the top of the utility model on clasp is bent with the resistance part of one section wave-like, in shell block, be provided with the guide groove that closely contacts with this resistance part, behind the button in elastica buckles into shell block, the resistance part also closely contacts with guide groove simultaneously, increase the resistance that elastica is pulled out, and then increased the difficulty that elastica is pulled out, improved by the security of closure thing.

Description of drawings

Fig. 1: be exploded perspective view of the present utility model.

Fig. 2: be stereoscopic figure of the present utility model.

Fig. 3: the plane during for the utility model relaxation state.

Fig. 4: the plane during for the utility model clamped condition.

Fig. 5: be the plane of another embodiment of resistance part of the utility model elastica.

The specific embodiment

See also Fig. 1 to shown in Figure 4, the closure structure-improved of the utility model embodiment is by shell block 1,

cover plate

2 and 3 be combined intos of elastica.Wherein, shell block 1 is suitable shape box body, and present embodiment is the box body of flat rectangle, and first opening has cover plate 2 glue to be integral admittedly.One side of 1 second sealed wall 4 central authorities of shell block, the button 6 that protrudes sealed wall 4 and be lower than limit wall 5 and sealed wall 4 consubstantialities is arranged, has suitable hypotenuse 10 on this button 6, shrink slightly when stretching in order to extruding elastica 3 first clasps 7, downside at this hypotenuse 10, the laterally recessed button rank 8 of upper vertical are arranged, flick in order to clamp-on for elastica 3 first clasps 7 after hypotenuse 10 compressions, the hook jail should form fast knot in 8 location, button rank.Side at button 6 is embedded with elastic fastening plate 11, one end of this elastic fastening plate 11 extends to palp position, second clasp, 12 belows, the length that upwards bends of this second clasp 12 is lacked than first clasp 7, and be bent with one section wave-like resistance part 13 in second clasp, 12 tops, cooperate this resistance part 13, a side of deflection second clasp 12 in shell block 1, convex with catch 14 with button 6 consubstantialities, this catch 14 except that for elasticity cramp 11 against and and 5 on limit wall be formed with guide groove 15, the width of this guide groove 15 is slightly less than the width of resistance part 13, both can closely be contacted, and bootable second clasp 12 is pushed elastic fastening plate 11 to; 5 width of the dual-side wall of shell block 1 are slightly less than the hook portion of elastica 3 first and

second clasps

7,12, on the limit, top side of shell block 1 wall 5, the through hole 16 that penetrates for elastica 3 first and

second clasps

7,12 are arranged.There is locating slot 17 lower end in the shell block 1, uses for the glued shell block 1 in cover plate 2 location to be integral.

As shown in Figure 1 and Figure 2, the cover plate 2 of the utility model shell block 1, the lamellar body that cooperates 1 first opening driving fit of shell block, inner edge has the flange 19 that cooperates each depressed part in the shell block 1, behind 1 first opening of glued shell block except that locating piece 18, make elastica 3 first and

second clasps

7,12 that are placed in button 6 and the space, elastic fastening plate 11 both sides, only can prolong this space displacement and unlikely distortion,, not have the anxiety of unhook to guarantee it to control its location.

Elastica 3 of the present utility model, be to be shaped by suitable rugosity and the bending of flexible metal wire, first and

second clasp

7,12 at two ends is in same plane, the little space width of its width greater than dual-side wall 5 in the shell block 1, unlikely loosening in order to do being easy to clamp-on limit, shell block 1 top side wall 5 through holes, 16 backs, second clasp, 12 tops in elastica 3 are bent with resistance part 13, after second clasp 12 penetrates shell block 1, this resistance part 13 can closely contact with the guide groove 15 in the shell block 1, increase frictional resistance, prevent that elastica 3 is pulled out.

The continuous Fig. 2 that sees also, shown in Figure 4, use of the present utility model, first clasp 7 of elastica 3 is incorporated in the shell block 1 in advance, and in shell block 1, be positioned at the top position of first clasp 7, convex with block 9, to stop that first clasp 7 is drawn out outside the shell block 1, when using, only second clasp 12 of elastica 3 need be passed and treat closure thing (not showing on the figure), second clasp 12 can be inserted the through hole 16 (as shown in Figure 2) of shell block 1, pull out somely after elastica 3 being pushed again, it is first years old again, two

clasps

7,12 button rank 8 and the elastic fastening plates 11 that promptly hook together button 6 smoothly automatically form fast knot.

Second clasp 12 of the utility model embodiment, its length that upwards bends is shorter, according to principle of moments, identical strength size, the moment of torsion of the long more generation of force arm is big more, the easy more clasp that makes is out of shape because of moment of torsion, that is after second clasp 12 that shortens bending length buckles into elastic fastening plate 11 formation fast knots, because of force arm shortens, it is big more to make that desire external force needs the strength of second clasp, 12 distortion, relatively reduces playing the possibility that line 3 is drawn out, and the bending width of resistance part, second clasp, 12 top 13 is slightly larger than guide groove 15 width of shell block 1, both can closely be contacted, increase the frictional resistance that elastica 3 is drawn out, and then improve by the security of closure thing.

As shown in Figure 5, the resistance part 3 on the elastica 3 of the present utility model can be various forms of wave-likes, and for example circular arc is wavy or trapezoidal wavy.

Claims

1. a closure structure-improved is characterized in that, comprising:

2. closure structure-improved as claimed in claim 1 is characterized in that, the resistance part of elastica is wavy.

3. closure structure-improved as claimed in claim 2 is characterized in that, the resistance part of elastica is that arc is wavy or trapezoidal wavy.