CN2342650Y - Fastener - Google Patents

Abstract

The utility model relates to a fastener which comprises a positive member which is provided with an arm part, a negative member which can accommodate the arm part into a cavity chamber and a coating component which is used for accommodating the members. The positive and the negative members are provided with at least a pushing and pulling mouth after the positions of the positive and the negative members are overlapped. A pushing rod which is arranged on the coating component is buckled in the pushing and pulling mouth during the combination, and the positive and the negative members are combined into the integral state. The utility model provides a fastener which is steadily buckled and can be easily buckled and dismounted. The problem of the existing fasteners that the fasteners can not be smoothly dismounted for being impacted is improved.

Description

Fastener

The utility model is relevant a kind of fastener, is meant that especially a kind of assembling is convenient, and can ensures under the collision deformation state, still the new structure that can disassemble smoothly.

Use the snapping or the separation of yin, yang assembly, to reach the fastener of purposes such as assist location, combination, the belt body that has been applied in aspects such as knapsack, safety belt, safety cap is widely buckled knot.A typical fastener is presented at Fig. 1, it has a cloudy fastener that comprises internal chamber 1, because of an end of cloudy fastener has an opening 2, the internal chamber that can enter cloudy fastener with the tongue piece that allows positive fastener front end or its overhead kick tooth 1, embedding is finished the program of fastening on the notch 3 of cloudy fastener then.

Just as those people that are familiar with this skill know, in the situation of some use, when for example fastener is applied to the safety cap bracelet, when the locomotive knight gets into an accident, its safety cap impacts because of being subjected to gravity, the result who strains at during to upper and lower hatband in bump, the tongue piece of most positive fasteners or its reverse hook teeth will be out of shape because of being subjected to gravity impact, and operation often can't successfully allow the yin, yang member separate with same means; This is because the embedding system cooperation form of simple overhead kick tooth 1 and notch 3 because of thin shape tongue piece, its binding portion leaves too much extendable room, make each element be the thin indivedual separate components of intensity in form, pullled or the impact of external force by the upper and lower rightabout gravity of hatband or safety belt, make the spatial expansion that the hook part of the element that respectively matches or other thin parts depend on towards nothing or be twisted into blunt shape distortion, and cause operation overhead kick tooth Γ to be pushed back reservation retraction space within the notch 3 according to same means, break away from the difficulty of disassembling between the two and produce.Sometimes this can cause the result of a danger, allows escape that the user can not be very fast or required assistance, and that this is not us is desired.

Main purpose of the present utility model promptly is to provide a kind of fastener, and this buckle structure can overcome the above-mentioned shortcoming of mentioning, simultaneously the higher confidence level of tool.Improving according to fastener of the present utility model, is to comprise a female element with internal chamber, one can enter or leave female element freely male element and one constitute in order to the coating member of accommodating above-mentioned member.Cloudy, at least has one between male element after their combinations, slotted eye is pulled out in pushing away of location overlap, so that allowing to be arranged on one on the coating member inner face pushes away the portion of pulling out and enters, allow described coating member with cloudy, male element is set up the state that the complete driving fit in slotting knot in aggregates position does not have headspace, use and force each connector when being subjected to external force to collide or twist, the restricted distortion of energy one, and then the path that keeps being separated therebetween is for changing synchronously, the interelement relative deformation of collocation that will be correlated with reduces to minimum, even eliminate, so, design at more old-fashioned fastener, this buckle structure is that mean can be with the moon, male element reduces to minimum in the relative deformation who is subjected to be produced after the external force effect or diversity factor, and is excessive and produce the problems referred to above with the distortion difference of avoiding each inter-module.

According to fastener of the present utility model, this male element front end is to comprise a deep-slotted chip breaker and a unfilled corner, and after in male element enters female element, described unfilled corner can flexible system be combined on female element internal chamber one crestal line, reaches the location indicative function.

For the novel features that the utility model had, and other purposes and effect, be described in detail as follows below in conjunction with accompanying drawing:

Fig. 1 is common fastener three-dimensional exploded view.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is the embodiment profile before the utility model yin, yang member is not detained knot.

Fig. 4 is the action embodiment profile in yin, yang member button when knot of Fig. 3.

Fig. 5 is the embodiment profile after the utility model coating member coats the yin, yang member.

See also Fig. 2, Fig. 3, fastener of the present utility model, it comprises a coating member, is with Ref. No. 10 representatives; It has the slotting portion 12 of a pushing and drawing shape on an inner face 11 and the inner face 11; Deposit among the embodiment that is adopted, there is a shaft contact 15 rear end of coating member 10, makes it to become movable relation freely in order to articulate female element 20; Coating member 10 comprises both sides wall 13, has into the shape groove 14 of symmetrical shape on its limit wall 13, in order to rabbet on the geosynclinal block 31 on male element 30 both sides.

Female element 20 is configurations of a casket shape body, comprises 2 terminal coupling collars 22, uses shaft contact 15 pivot joints with coating member 10; Along the inner open chamber 21 that forms between female element 20 1 lateral margins, be used for accommodating above-mentioned male element 30, having one on one's body at the female element of chamber 21 correspondence positions pushes away and pulls out aperture 23, so that allowing the portion of pulling out 12 that pushes away of coating member 10 passes through, and the inner of chamber 21 establishes the open slotted eye 211 of tool one deflection, and slotted eye 211 places have a crestal line 24.Shown that in Fig. 2 male element 30 has the arm 32 and a coupling collar 31 that can put in the above-mentioned chamber 21, the both sides of this adapter ring 31 are provided with geosynclinal block 311, its shape be able to corresponding be embedded in the shape groove 14 on the above-mentioned coating member 10 both sides walls 13, this arm 32 is in embodiment of the present utility model, comprise deep-slotted chip breaker 33 of its front end and the unfilled corner 34 between deep-slotted chip breaker 33 and arm front end, and unfilled corner 34 protrudes out edge 35 to forming one between front end, after arm 32 enters chamber 21, owing to protrude out edge 35 ends to the horizontal height of arm 32 end faces horizontal height greater than chamber 21, so arm 32 ends produce elasticity compacting phenomenon because of the restriction that is subjected to chamber 21, deep-slotted chip breaker 33 promptly is used for giving this elasticity, when arm 32 ends proceed to chamber 21 ends, but allow unfilled corner 34 elasticity systems be combined on the crestal line 24 of chamber 21, except that having slight positioning action, also can be by the indicative function of feeling to provide the location of location bullet shake, but this system is closed still and can simply be separated by external force; Arm 32 also is provided with one and pushes away and pull out aperture 36, so that can to pull out aperture 23 corresponding overlapping with pushing away of female element 20 during combination, pulls out hole slot and form complete pushing away.

Among Fig. 3, Fig. 4, when 20,30 attempts of yin, yang member fasten, the arm 32 of male element 30 is can be inserted in easily in the chamber 21 of female element 20 on same axis, resist on the crestal line 24 of chamber 21 up to unfilled corner 34, this program also forces pushing away of yin, yang member 20,30 to pull out aperture 23,35 and overlaps at same position, has preliminary fastening effect.In preferred embodiment, only need press down coating member 10, making pushing and drawing shape insert portion 12 enters pushing away when overlapping and pulls out aperture 23,35, and make shape groove 14 buckles on the geosynclinal block 311 of male element 30, promptly as Fig. 5 representedly with yin, yang member 20,30 state that is combined into one, so, with regard to above-mentioned structural design, the preliminary combination that clearly can find 20,30 of yin, yang members of the present utility model is extremely slight and directly easy, even if also can pull away mutually easily under the serious state of modification; But after seeing through being laminated with of coating member 10, inserting 12 pairs in portion by pushing and drawing shape pushes away and pulls out aperture 23,35 sleeve, and the dual fastening of 14 pairs of geosynclinal blocks 311 of shape groove, reach very firm certain combination, the fastening reliability is high, the distortion even if the state that fastens fully at three assemblies is impacted, the distortion of coating member 10 is also depended on internals fully and is formed, otherwise promptly break away from voluntarily, as easy as rolling off a log can lifting opened release to the moon, the fastening of male element, reach the effect of ejection escape, this helps the fastener improvement to be used in safety cap, band or mountain-climbing, during the bracelet effect aspect of article such as Knapsack bag, its security is further enhanced, also be coating member 10 and the moon, male element 20, not only set up a defencive function that coats complete body between 30, make the pre-degree of independent deformation after tool does not collide between each member, enable to give coating member 10 and the moon, male element 20,30 will reduce to minimum being subjected to clashing into the relative deformation who is caused when excessively pullling with band, disengaging approach between each phase accessory is kept because of its deform in same pace fills part, and each element breaks away from path autoheterosis and the puzzlement that can't be separated as unlikely generation such as the tradition; In other words, the coating member pushing and drawing shape insert portion 12, shape groove 14 push away with the yin, yang member respectively pull out mouthfuls 23,35, geosynclinal block 31 does closely knit cooperating, even the bump of external force is even as big as producing distortion, they also will set up a kind of synchronous offset phenomena; Coating member 10 still can be opened easily, and reach the effect of triping.

Generally speaking, the utility model fastener is to have improved the form that common fastener cooperates with notch with tongue piece, overhead kick tooth, because of reserve between the phase accessory move back come to nothing between existing potentiality danger, and the three-member type of having used coating member 10 each yin, yang member 20,30 is combined into the structural configuration of fastener, and its spatial shape is different from old design fully; And compared to old-fashioned fastener, the situation that causes distortion or yin, yang member to disassemble smoothly will obviously be improved or be eliminated fully, possess higher reliability and security.

Claims (8)

1, a kind of fastener can the part extend into or leave the male element (30) of female element (20) internal chamber (21) by a female element (20) that comprises internal chamber (21) and, and the coating member (10) that a pivot of one and two members is tied constitutes; It is characterized in that: the corresponding chamber of female element (20) (21) locates to be provided with an aperture; The place, aperture that male element must stretch into the local corresponding female element of female element also is provided with an aperture (23), makes when entering above-mentioned chamber (21) to be able to corresponding overlapping with both apertures of female element (20) (23), (26); And above-mentioned coating member (10) has a slotting portion (12), can be combined as a whole with yin, yang member (20), (30) combination and bag button, in conjunction with the time its slotting portion (12) sleeve be created as in the complete hole slot and reach whole firm button and tie in both apertures when going into this yin, yang member (20), (30) sleeve.

2, fastener as claimed in claim 1 is characterized in that: the part that male element (30) stretches into female element (20) is an arm (32).

3, fastener as claimed in claim 1 or 2 is characterized in that: the aperture of yin, yang member (20), (30) is to pull out aperture (23), (36) for pushing away, and the slotting portion of coating member (20) is that corresponding pushing and drawing shape is inserted portion (12).

4, fastener as claimed in claim 1 or 2 is characterized in that: the end of this female element (20) is provided with an adapter ring (22), and coating member (20) rear end is provided with shaft contact (15), and both articulate mutually.

5, fastener as claimed in claim 1 or 2 is characterized in that: chamber (21) the inner of this female element (20) is provided with an open slotted eye (211); Male element (30) stretch female element (20) the part be provided with a deep-slotted chip breaker (33) near the front end place, least significant end then is provided with one and protrudes out edge (35), and protrudes out the open certainly slotted eye (211) of edge (35) after plugging and stretch out.

6, fastener as claimed in claim 5 is characterized in that: protrude out between edge (35) and deep-slotted chip breaker (33) and be provided with a unfilled corner (34), and open slotted eye (211) locates to be provided with a crestal line (24).

7, fastener as claimed in claim 1 or 2 is characterized in that: coating member (10) both sides walls (13) are to be provided with shape groove (14), and the Bian Bichu of the corresponding shape groove of this male element (30) (14) is provided with geosynclinal block (311), makes when covering platform and can detain knot mutually.

8, fastener as claimed in claim 1 or 2 is characterized in that: be respectively equipped with adapter ring (22) on yin, yang member (20), (30).

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