CN1550168A - Buckle - Google Patents
Buckle Download PDFInfo
- Publication number
- CN1550168A CN1550168A CNA2004100374595A CN200410037459A CN1550168A CN 1550168 A CN1550168 A CN 1550168A CN A2004100374595 A CNA2004100374595 A CN A2004100374595A CN 200410037459 A CN200410037459 A CN 200410037459A CN 1550168 A CN1550168 A CN 1550168A
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- China
- Prior art keywords
- mentioned
- female part
- male parts
- clasp
- engaged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/26—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings
- A44B11/263—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings with a push-button acting perpendicularly to the main plane of the buckle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
- Y10T24/45471—Projection having movable connection between components thereof or variable configuration
- Y10T24/45524—Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment
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- Buckles (AREA)
Abstract
A buckle includes a female member and a male member, both having attaching portions to be attached to end portions of string members. The female member and the male member also include an engaging portion and a portion to be engaged. The engaging portion engages the portion to be engaged when they approach to each other, and is disengaged from the portion to be engaged when the engaging portion is pulled away from the portion to be engaged with a force greater than a specific level. One of the female member and the male member is formed of a resin material having hardness lower than that of the other.
Description
Technical field
The present invention relates to cooperate dismantledly in the clasp of strip-shaped parts, particularly the clasp that constitutes by male parts and female part.More specifically saying so surpasses load (withdrawal force) the releasing cooperation of setting from the mated condition utilization, thereby body parts such as head and arm is not applied the clasp of excessive load.In addition, what is called in this manual " strip-shaped parts " is the broad sense parts that comprise band, broadband, rope and like thereof.
Background technology
Clasp as object of the present invention is made up of male parts and female part, for example be used for and insert the cartridge of various card classes or portable machine to be hung over the mounting or dismounting of the strip-shaped parts on the neck, perhaps be used for small articles such as glasses are worn the mounting or dismounting of overhead strip-shaped parts, use when perhaps linking the strip-shaped parts of peristome of clothes class dismantledly.In these purposes, for example, thereby the occasion blocked former because of certain by means of positive female part strip-shaped parts in the form of a ring produces danger owing to body part is applied excessive load directly or indirectly.Therefore,, must keep certain coordinate force and be unlikely to careless and come off as the fit structure of positive female part, and, must fully satisfy condition in contrast, promptly could remove cooperation with surpassing the above withdrawal force of setting.In addition, following dual mode is arranged in the design: male parts and female part are damaged when being subjected to certain withdrawal force and remove and cooperate or the mode of connecting state; Make male parts and female part resist coordinate force in the same manner and remove the mode that cooperates with normal releasing operation.The former is for avoiding danger very effectively but can not often use.Though the latter can often use, there is the problem of how keeping certain coordinate force and suppressing the fluctuation of above-mentioned withdrawal force.
Fig. 7 represents is to login No. 3086720 communique (content of Fig. 1~Fig. 8) put down in writing as the practical new case of following patent documentation 1-Japan of the latter's structure example.The clasp of this figure (neck band) is made of female part 50 and male parts 55, female part 50 and male parts 55 form respectively the end 60a that strip-shaped parts 60 is installed base portion 51,56 and can draw back direction with the withdrawal force that surpasses setting from mutually near and the state that cooperates is removed the portion that is engaged 53 that cooperates and a side of auxiliary section 57.Here, female part 50 is made of the base portion 51 of band installing hole 51a, the mid portion that band is engaged portion 53, the leading section 52 of division frame shape inlet 50a from the back to the front side.The respective end 60a of strip-shaped parts 60 is installed on the base portion 51 at the state of walking around installing hole 51a.Be engaged portion 53 is arranged to lead to two outsides in female part 55 spill opening.Male parts 55 is made of with a pair of auxiliary section 57 that protrudes in this base portion 56 base portion 56 of backside tape installing hole 56a.The front that the elastic leg 57a that attenuates was relatively given prominence to and be located in two auxiliary sections 57 from base portion 56, shown in this figure (b), it is made of facial 57b of the cooperation skew back that increases overhang from the shank 57a one side direction outside gradually and the facial 57c of guiding one skew back that reduces overhang from the summit of inclined plane part 57b gradually.In above structure, is inserting the process of female part 50 from inlet 50a two auxiliary sections 57, follow the elasticity displacement of shank 57a that mutual interval is dwindled, be engaged in arrival when the opening of portion 53, recover original shape and cooperate in the bottom of this opening with rake 57b.This coordinate force and each auxiliary section 57 are proportional with respect to the overhang of the opening that is engaged portion 53, and, by about the elasticity displacement degree of shank 57a institute.
The main points of above-mentioned clasp are, corresponding with the opening that is engaged portion 53, symmetrical shape is made in each auxiliary section 57, and, by angle or the gradient θ of setting inclined plane part 57b, thereby cooperate to remove towards drawing back direction from mated condition with the withdrawal force that surpasses certain value with respect to shank 57a.Yet, in this structure, withdrawal force when remove cooperating with ambient temperature differences (when for example room temperature is 30 ℃ and-10 ℃) and, for example under the state of having fixed female part 50 1 sides, pull out the speed of strip-shaped parts 60 of male parts 55 and pull-out direction and change significantly.And when repeating cooperation and removing cooperation, the withdrawal force of removing when cooperating diminishes easily quickly.
Summary of the invention
Purpose of the present invention is exactly in order to solve aforesaid problem, and a kind of clasp is provided, and it is simple in structure and can keep batch process, suppresses to remove the fluctuation of withdrawal force when cooperating simultaneously, is more prone near steady state value by making withdrawal force, thereby improves commodity value.
To achieve these goals, the 1st scheme of clasp of the present invention if specific be the words of the example of accompanying drawing, be to constitute by male parts 2 and female part 1, this male parts 2 and female part 1 form respectively the end 3a that strip-shaped parts 3 is installed installation portion (16 and 16a or 24 and 24a), with can draw back direction with the withdrawal force that surpasses certain value from mutually near and the state that cooperates remove the auxiliary section 27 that cooperates and be engaged the side of the 11a of portion, it is characterized in that: a side of above-mentioned male parts 2 and female part 1 is made by the soft resin material lower than the opposing party hardness.
In addition, the 2nd scheme of clasp of the present invention is made of male parts 2 and female part 1, male parts 2 and female part 1 form installation portion that strip-shaped parts 3 end 3a are installed (16 and 16a respectively, 24 and 20a), with can draw back direction with the withdrawal force that surpasses certain value from mutually near and the state that cooperates remove the auxiliary section 27 that cooperates and be engaged the side of the 11a of portion, it is characterized in that: the counterpart that comprises above-mentioned auxiliary section 27 with comprise that an above-mentioned side who is engaged the counterpart of the 11a of portion is formed by the soft resin portion lower than the opposing party hardness (part of the band spot of Fig. 5 or Fig. 6).
Above its male parts of each clasp and female part are resinous mechanograph, male parts inserts in the female part and is user mode by the auxiliary section with being engaged to link cooperating of portion, and utilize drawing back load (withdrawal force) that direction surpasses certain value and flexibly removes cooperation this is identical with original product aspect two, the value of the withdrawal force when cooperating as the releasing enumerated in the problem, just withdrawal force can not fluctuate because of every goods, can not fluctuate because of variations in temperature or load of extracting or direction etc. yet.This is for fear of under user mode, and the occasion that is stuck on other article etc. in strip-shaped parts etc. produces direct or indirect over load to body part, and causes danger because of this load.It is as the sort of cited in the patent documentation 1 shape of setting the auxiliary section and being engaged portion that the present inventor has studied the conclusion that the result of original product fit structure obtains, can not suppress the fluctuation of above-mentioned withdrawal force, and finish the present invention by studying repeatedly.Promptly, major part of the present invention is, clasp is the mode that constitutes with two parts of positive female part, also cooperate, stretch to departure direction and remove in this fit structure of cooperation close mutually, make by the soft resin material lower by a side who makes male parts and female part than the opposing party hardness, a corresponding side partly who comprises the partly corresponding of auxiliary section and comprise the portion of being engaged is made of the soft resin portion lower than the opposing party hardness, apply when load drawing back direction, soft resin material or soft resin portion all are out of shape and make to cooperate and remove.This be because, occasion at original product, though very great fluctuation process and damaged easily occurs because of variations in temperature etc. makes withdrawal force, but it is also can keep elastic characteristic or pliability, thereby very effective to addressing the above problem because soft material or soft section are compared when low temperature with hard material or stearic part.
In addition, the 3rd scheme of clasp of the present invention is to be the shape of embodiment with the shape of above-mentioned male parts and female part is specific, remove each simple shapeization that can make female part and male parts, make simultaneously finishing die also simple outside, because utilizing to mark off, the portion of being engaged of female part one side removes a part that cooperates with the otch of operating portion, and male parts one side auxiliary section utilizes otch to divide and form the slice part that inserts in the female part, make both be easy to the elasticity displacement, so can prevent when cooperating and remove the damaging problems such as cracking that cause because of excessive load when cooperating.Relative therewith, in the 4th scheme of the present invention, for example, when the slice part with male parts inserts female part or pulls out, utilize the action of its broad ways in female part of centering effect control of elongated slot and direction protrusion, therefore, can be suppressed at the above-mentioned fluctuation of drawing back the withdrawal force that direction causes.The 5th scheme of clasp of the present invention is that specific above-mentioned soft resin or soft resin portion are made by thermoplastic elastomer, and its meaning is to select best material from various materials.This thermoplastic elastomer (TPE) has rubber-like elasticity at normal temperatures, at high temperature have plastic character, wherein can enumerate: polyolefin (TPO), urethanes system (TPU), polyester system (TPEE), polyamide-based (TPAE) ionomer (IO) etc.To be used for the price of polyester aldehyde (POM), polyamide (PA), Merlon hard based materials such as (PC) of grommet material higher more for so-called linear structure or engineering plastics but these materials liken in heat property resin.Therefore, as the invention mode, as the 5th scheme, only positive female part one side, or, comprise the auxiliary section and be engaged the corresponding only side use TPE partly of portion, both suppress the increase of manufacturing expense, and can fully satisfy above-mentioned coordinate force and above-mentioned withdrawal force again simultaneously.
Description of drawings
Fig. 1 represents the simple general appearance figure of positive female part of the clasp of the embodiment of the invention.
Fig. 2 is the figure when the withdrawal force that above-mentioned positive female part cooperates is removed in experiment.
Fig. 3 is the structure chart of the single male parts of above-mentioned clasp.
Fig. 4 is the structure chart of the single female part of above-mentioned clasp.
Fig. 5 is the figure that schematically represents the modified example of above-mentioned female part.
Fig. 6 is the figure that schematically represents the modified example of above-mentioned male parts.
Fig. 7 is the figure that is used to illustrate original clasp problem.
The specific embodiment
With reference to accompanying drawing the preferred embodiments of the present invention are illustrated.Fig. 1 is the simple general appearance figure of the positive female part of clasp.Fig. 2 represents the user mode of this clasp, and Fig. 2 (a) is a vertical view, and Fig. 2 (b) is the profile of Fig. 2 (a) width middle part.Fig. 3 represents the trickle part of female part, and Fig. 3 (a) is a vertical view, and Fig. 3 (b) is a lower part, and Fig. 3 (c) is the profile of Fig. 3 (a) in the width middle part, and Fig. 3 (d) is the A-A line profile of Fig. 3 (c).Fig. 4 represents the trickle part of male parts, (a) is vertical view, and Fig. 4 (b) is the side view of being seen from the C direction of Fig. 4 (a), and Fig. 4 (c) is a upward view, and Fig. 4 (d) is the B-B line profile of Fig. 4 (a).Fig. 5 and Fig. 6 are modified examples, and Fig. 5 (a) and Fig. 5 (b) correspond respectively to Fig. 3 (a), the figure of Fig. 3 (c), and Fig. 6 (a) and Fig. 6 (b) they are the figure that corresponds respectively to Fig. 4 (a), Fig. 4 (d).In the following description, after having narrated snap ring structure and having made use-case, modified example, enumerate embodiment again and illustrate purposes of the present invention.
The structure of clasp of the present invention is as follows.
The clasp of embodiment be the mounting or dismounting that for example can hang over above-mentioned cartridge the strip-shaped parts of neck, small articles be worn over the strip-shaped parts of head mounting or dismounting, the strip-shaped parts of clothes peristome is linked up dismantledly, promptly be designed to use around health, female part 1 and the male parts 2 also littler than the size on the accompanying drawing by actual size constitute.Female part 1 and male parts 2 have auxiliary section described later respectively and are engaged a side of portion, when mutually near the time for cooperating, remove and cooperate and constitute by moulded parts respectively and draw back Shi Zewei to the direction of leaving, these 2 identical with original kind.Different structures are, one side of female part 1 and male parts 2 is by constituting with original identical hard resin materials such as polyacetals, the opposing party then is made of the soft resin material lower than the hardness of above-mentioned hard resin material, and the concrete shape of female part 1 and male parts 2 is different.In addition, as combination of materials, can be following any: female part 1 be the soft resin material for hard resin material, male parts 2; Female part 1 is that soft resin material, male parts 2 are the hard resin material.Also have, the hard resin material is with original identical, and the soft resin material is thermoplastic elastomer preferably.
As Fig. 1~shown in Figure 3, female part 1 is the tubular of the general flat that connects of front and back, and the inner space is divided by last lower wall 10a, 10b and two sidewall 10c and constituted.Upper wall 10a is provided with the otch 11 of the roughly U word shape that is positioned at both sides and front side.This otch 11 is divided to form and is removed the operating portion 12 that cooperates usefulness, also has, at being engaged of spill is provided with the U-shaped that is positioned at the front side in the portion the 11a of central incision portion.Be the slot part 13 of concavity by the cross section between the two ends that are located at U-shaped, operating portion 12 forms the thin-walled hinge portion 14 of the downside attenuation that makes this slot part 13, and this operating portion 12 be that fulcrum can flexibly swung up and down with this hinge portion 14.In addition, be arranged to above the operating portion 12 its front part 12b than in slot part 13 and front and back roughly the part 12a between the centre also more project upwards, be easy to remove the operation of cooperation at this front part 12b.In addition, the inside inlet side of upper wall 10a, the guiding that formation open height laterally enlarges is a little used inclined plane 15.On lower wall 10b, be provided with the installing hole 16 of rear side and be positioned at before and after in the middle of forward slightly side and also at the direction protrusion 17 of left and right sides position intermediate.Installing hole 16 marks off the rear section 16b of lower wall 10b.In addition, label 18 is near the recess the both sides that are arranged at lower wall 10b.The part of the inlet side of two side 10c has little otch, and forms the recess 19 that falls in to rear side when inlet side is seen.
As Fig. 1 and shown in Figure 4, male parts 2 has and female part 1 corresponding size, is made of installation portion 20 that strip-shaped parts 3 is installed and insertion base portion 21 and the slice part 22 that is inserted in the female part 1 to the front side from rear side.On installation portion 20, be provided with the installing hole 24 of up/down perforation.Installation portion 20 is made the frame shape, and installing hole 24 marks off the rear section 20a of this frame shape.Between installation portion 20 and insertion base portion 21, be provided with the retainer 23 that projects upwards.This retainer 23 has limited the insertion amount of male parts 2 with respect to female part 1 corresponding to the end surface shape of insertion one side of the upper wall 10a of female part 1.It is roughly the same with the width dimensions of the inlet side of female part 1 to insert base portion 21, and when when insert the inner space of slice part 22 1 side direction female parts 1, just the recess 19 with above-mentioned both sides carries out chimeric.On slice part 22,, be provided with by front end and extend to the fore-and-aft direction roughly otch 26, the resilient engagement portion 27 that marks off by this otch 26, the kick 29 of both sides located in the above of the roughly U word shape of elongated slot 25, the up/down perforation in centre position in the roughly centre position of width.Elongated slot 25 is corresponding to above-mentioned direction protrusion 17, and the width of groove is set for bigger slightly than the width dimensions of direction protrusion 17.Otch 26 is positioned near the slice part both sides and inserts near the base portion 21, marks off auxiliary section 27.The bottom surface 28 of this auxiliary section 27 is made and is removed some and attenuation a little, because the existence of elongated slot 25 and otch 26, then this auxiliary section 27 can be that fulcrum swings up and down with the part 27c between the two ends of this otch 26 (with reference to Fig. 4 (c)).In addition, be provided with in this auxiliary section 27 with the convex of carrying out dismounting and cooperate pawl 27a as the above-mentioned central incision 11a that is engaged portion.This cooperation pawl 27a is formed at the place, summit (width dimensions is slightly littler than central incision portion) of the rake 27b that protrudes upward gradually along with the central incision portion of the nearly otch 26 of the past side joint shown in Fig. 4 (d) among the elastomeric element 27.Though kick 29 can be used for improving sliding, gain in strength simultaneously and prevent rocking of above-below direction, also can omit.
Modified example
Fig. 5 and Fig. 6 utilize two kinds of colors to make the local example of making above-mentioned female part 1 and male parts 2 for soft resin portion (part of band spot).Promptly, Fig. 5 compares with above-mentioned female part 1, be that the releasing that will comprise thin-walled hinge portion 14 among upper wall 10a cooperates with operating portion 12 and reaches the 11a of central incision portion from otch 11 to front side portion part 10d, promptly comprise as the counterpart that is engaged the 11a of central incision portion of portion and making with soft resin (for example thermoplastic elastomer), and the example that the part of female part is in addition made with hard resin (for example polyacetals).In contrast, Fig. 6 compares with above-mentioned male parts 2, be to make with soft resin portion (being TPE among the embodiment) up to the rear end of this auxiliary section 27 with reaching of otch 26 divisions to resilient engagement portion 27, and the example that the part of male parts is in addition made with hard resin (being POM among the embodiment).The female part 1 of Fig. 5, for example the male parts 2 supporting uses of making by hard resin (POM etc.) with integral body.The male parts 2 of Fig. 6, for example the female part 1 supporting use of making by hard resin (POM etc.) with integral body.This be not only owing to hard resin (POM etc.) than soft resin (TPE etc.) more cheap manufacturing expense that suppressed on cost, and be because, if female part 1 and male parts 2 both, or comprise the counterpart of auxiliary section 27 and comprise that conduct is engaged the two words of all using soft resin material (TPE etc.) to make of counterpart of the 11a of central incision portion of portion, then have the value that is difficult to keep afore mentioned rules coordinate force, and be difficult to and stably maintain the tendency of lower value as above-mentioned withdrawal force.
Make use-case
Above female part 1 and male parts 2 are used the method installation same with the respective end 3a of strip-shaped parts 3.Promptly in the fitting operation of female part 1, as the example of Fig. 2 (b), the respective end 3a of strip-shaped parts 3 is inserted the after-opening of female part 1, by pass installing hole 16 turn back make rear section 16a be sandwiched between the corresponding portion of strip-shaped parts 3 and the end 3a after, with the method fixedly corresponding portion of strip-shaped parts 3 and the overlapping portion of end 3a such as making or dissolve.Concerning male parts 2, as the example of Fig. 2 (b), respective end 3a by making strip-shaped parts 3 from the upside of male parts 2 enter turn back in the installing hole 24 make rear section 20a be clipped between the corresponding portion of strip-shaped parts 3 and the end 3a after, with the method fixedly corresponding portion of strip-shaped parts 3 and the overlapping portion of end 3a such as making or dissolve.Here, as the occupation mode of clasp, can be following any, for example, hang the mode that the both ends 3a of a strip-shaped parts 3 of portable machine class installs male and female members 1,2 at body parts such as necks; With two occasions that strip-shaped parts 3 links up that the opening portion of Western-style clothes etc. is untied or buckled, the mode that female part 1 and male parts 2 are installed at the free end 3a of different strip-shaped parts 3.
Fig. 2 is the occupation mode of above clasp.In this occupation mode, female part 1 and male parts 2 also are about to cooperate pawl 27a insertion to cooperate as the 11a of central incision portion that is engaged portion by the tip side that makes auxiliary section 27, thereby utilize this coordinate force to keep connection status.Under this state, because above-mentioned insertion base portion 21 is chimeric with recess 19, direction protrusion 17 is arranged in elongated slot 25, and retainer 23 contacts with the inserting side end face of upper wall 10a, so not loosening between parts, sensuously whole is one.And, above-mentioned cooperation except that the operation by carrying out bulldozing operation portion 12 downwards with remove cooperate, female part 1 and male parts 2 are owing to be subjected to removing cooperation to the load that draws back direction by the strip-shaped parts 30 of both sides or the strip-shaped parts 30 of a side.Load when this is removed cooperation is as withdrawal force.In this structure, by taking following measure, can make this withdrawal force surpass certain value, promptly do not change this value or the value of this withdrawal force is not fluctuateed as far as possible.
The 1st, aspect occupation mode, in the process that above-mentioned releasing cooperates, at first, resilient engagement portion 27 since draw back direction load and from the mated condition of Fig. 2 (b), cooperation pawl 27a is subjected to the stress from the corresponding inner face of the 11a of central incision portion that divides, because this stress auxiliary section 27 is that fulcrum is swung displacement downwards with above-mentioned part 27c just.Male parts 2 is removed and is cooperated cooperating of pawl 27a and the 11a of central incision portion owing to these auxiliary section 27 downward displacements, afterwards, extracts in female part 1 in the time of the inside crimping of male parts 2 and female parts upper wall 1a.In addition, in formal releasing compounding practice, if bulldozing operation portion 12 downwards, with above-mentioned the same, auxiliary section 27 is that fulcrum is swung displacement downwards with part 27c, also extracts in middle notch 11a because of this displacement cooperates pawl 27a.
The 2nd, in above fit structure, under the situation that applies the above-mentioned load that draws back direction more lentamente and apply in moment under the situation of excessive load, the withdrawal force of removing when cooperating is basic identical, does not have the so big change of original parts.Simultaneously, from embodiment described later as can be known, also can with because of the change of serviceability temperature, because of the change of the load direction of extracting compare with original parts be suppressed to as far as possible little.This can be inferred as is because the result that plays a role of following various structure co-operation: as fit structure is cooperation as the cooperation pawl 27a of above-mentioned 11a of central incision portion that is engaged portion and auxiliary section 27; They are positioned at the middle part, the left and right sides of female part 1 and male parts 2, cooperate pawl 27a by realizing cooperation or remove cooperating to the elasticity displacement of the above-below direction of auxiliary section 27 with respect to the 11a of central incision portion that forms at the plate width; The kerf width of the 11a of central incision portion is also owing to the elasticity displacement of operating portion 12 can change a little; The direction protrusion 17 of male parts 2 by being located at elongated slot 25 and female part one side in the middle of the auxiliary section 27 chimeric and automatic centering etc.
The 3rd, for material structure such as the following examples.
Embodiment
Following embodiment is used for verifying how different above-mentioned withdrawal force is with material structure.At this female part 1 and male parts 2 being arranged all is the mode (hereinafter referred to as product relatively) of polyacetals (POM), and female part 1 be the example (hereinafter referred to as invent product) of POM, male parts 2 for the mode of thermoplastic elastomer (TPE), promptly uses identical shaping dies and only changes examples of material.That use as POM in addition, is acetal resin (the デ Le リ Application) 500P (hardness D is 80) that trade name is called East side Du Pont (East レ デ ユ Port Application) system.As the TPE use is Hai Tuolieer (the Ha イ ト レ Le) 5557M (hardness D is 55) of East side Du Pont system.Then, make a plurality of male and female members 1,2 that only changed material with same shaping dies, the above-mentioned withdrawal force when in the following method this male and female members being measured the releasing cooperation is also estimated.Each evaluation of estimate is the mean value of 10 clasps.In addition, in each test, push down the strip-shaped parts 3 of female part 1 one sides shown in Fig. 2 (b) with fixed part 5, measure above-mentioned withdrawal force (newton) with 100mm/ minute speed to the strip-shaped parts 3 of direction of arrow stretching male parts 2 one sides of this figure with cupping machine.In this is measured, each clasp at room temperature placed carry out immediately after 1 hour.
Embodiment 1
This test is that product relatively and the product of inventing are repeated the cooperation of 100 male and female members and remove the example that the change of the withdrawal force when cooperating (by forcibly to drawing back direction traction strip-shaped parts 30 to remove the mode that cooperates) compares in room temperature is 20 ℃ environment.Measuring method is, pushes down the strip-shaped parts 3 of female part 1 one sides with fixed part 5, load is applied directly on the strip-shaped parts 3 of male parts 2 one sides and measures withdrawal force.This result is, relatively product on average are 136.1N, and the invention product on average are 22.2N.In addition, relatively the product maximum is about 139N, and minimum of a value is about 82N, and invention product maximum is about 29.3N, and minimum of a value is about 20.4N.By above test as can be known, as above-mentioned withdrawal force, it is little a lot of that invention product will compare product, will compare also as the fluctuation invention product of the withdrawal force between goods that product are littler, in addition, cooperate for 100 times and the releasing cooperation after withdrawal force also stablize.
This test is when using relatively product and inventing product in the environment of the environment of 25 ℃ of room temperatures and-10 ℃ (subzero 10 ℃), the test of more above-mentioned withdrawal force (N).Measuring method is identical with embodiment 1.This measurement result is as follows.In 25 ℃ environment, relatively product average out to 136.8N invents product average out to 22.7N.In addition, relatively the maximum of product is about 139N, and minimum of a value is about 86N, and the maximum of invention product is about 29.3N, and minimum of a value is about 20.9N.Relative therewith, in-10 ℃ environment, invention product are all normal to be cooperated and removes and cooperate, but 10 relatively in the clasp of product, 2 clasps is arranged because of the auxiliary section breakage of male parts energy measurement (therefore, relatively product are with 8 comparisons of carrying out) not.And consequently, relatively product average out to 146N invents product average out to 25.8N.In addition, in product relatively, maximum is about 156N, and minimum of a value is about 143N, and in the invention product, maximum is about 28.0N, and minimum of a value is about 23.0N.From above test as can be known, above-mentioned withdrawal force is not only at invention product and relatively in the product bigger difference is arranged, though and the change of the withdrawal force variations in temperature of the product of invention also little a lot.
This test is a strip-shaped parts 3 of pushing down female part 1 one sides with fixed part 5, the test when above-mentioned withdrawal force being compared when as the angle of Fig. 2 (a) (θ=15 degree) strip-shaped parts 3 of male parts 2 one sides being applied the load that draws back direction.In addition, be in room temperature is 25 ℃ environment, to use.Its result, relatively product average out to 148N invents product average out to 25N.In addition, in product relatively, maximum is about 156N, and minimum of a value is about 92N, and in the invention product, maximum is about 31N, and minimum of a value is about 21N.From above test as can be known, above-mentioned withdrawal force is because at invention product and relatively in the product bigger difference is arranged, the product of invention also can fully suppress the change that pulling force angle (15 spend) causes.In addition, the tendency of above embodiment 1~3 is as above-mentioned modified example, for example, make female part 1 with POM, the male parts 2 of Fig. 6 (making auxiliary section 2 and until the rear end of this auxiliary section 27 with TPE, the mode that part is in addition made with POM) is also had roughly the same result.
As described above, adopt clasp of the present invention, the mode of forming with positive female part at clasp cooperates, stretches to the direction of leaving and remove in this fit structure of cooperation near realizing mutually, utilize the structure of the major part of the 1st scheme and the 2nd scheme, just can be suppressed at withdrawal force when remove cooperating because of between the goods individuality or temperature and extract the fluctuation that angle etc. causes, therefore, the present invention's product, particularly as the clasp that uses around health, its security performance is good, can improve the value of commodity.
Claims (5)
1. clasp, it is the clasp that constitutes by male parts and female part, male parts and female part form the installation portion that banded ends is installed respectively, with can draw back direction with the withdrawal force that surpasses certain value from mutually near and the state that cooperates remove the auxiliary section that cooperates and be engaged a side of portion, it is characterized in that: a side of above-mentioned male parts and above-mentioned female part is made by the soft resin material lower than the opposing party hardness.
2. clasp, it is the clasp that constitutes by male parts and female part, male parts and female part form the installation portion that banded ends is installed respectively, with can draw back direction with the withdrawal force that surpasses certain value from mutually near and the state that cooperates remove the auxiliary section that cooperates and be engaged a side of portion, it is characterized in that: the counterpart that comprises above-mentioned auxiliary section with comprise that an above-mentioned side who is engaged the counterpart of portion is formed by the soft resin portion lower than the opposing party hardness.
3. as claim 1 or the described clasp of claim 2, it is characterized in that: above-mentioned female part has the releasing that otch was divided into by the roughly U font that is located at the upper wall of dividing the inner space and cooperates with operating portion and be located at the above-mentioned portion that is engaged of the roughly central incision portion of above-mentioned otch; The above-mentioned auxiliary section that cooperates and remove cooperation with the above-mentioned portion of being engaged that above-mentioned male parts has the slice part of the inner space of inserting above-mentioned female part and is divided into by otch in the part of above-mentioned slice part with the pushing force of above-mentioned operating portion.
4. clasp as claimed in claim 3 is characterized in that: the elongated slot that has the slice part that is located at above-mentioned male parts and extend to rear side from the front end of this slice part; Be located at the lower wall of above-mentioned female part, making above-mentioned slice part in the process that insert the inner space of above-mentioned female part, be positioned at above-mentioned elongated slot and make above-mentioned male parts carry out the direction protrusion of centering with respect to above-mentioned female part.
5. as claim 1 or the described clasp of claim 2, it is characterized in that: above-mentioned soft resin portion is a thermoplastic elastomer.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003129628A JP3992194B2 (en) | 2003-05-07 | 2003-05-07 | buckle |
JP2003129628 | 2003-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1550168A true CN1550168A (en) | 2004-12-01 |
Family
ID=33410534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2004100374595A Pending CN1550168A (en) | 2003-05-07 | 2004-04-29 | Buckle |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040221432A1 (en) |
JP (1) | JP3992194B2 (en) |
KR (1) | KR100511434B1 (en) |
CN (1) | CN1550168A (en) |
TW (1) | TWI241171B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1947611B (en) * | 2005-10-12 | 2011-04-06 | 白智淑 | Buckle |
CN103244039A (en) * | 2012-02-01 | 2013-08-14 | 清展科技股份有限公司 | Fixing structure of scroll type screen window |
CN104519766A (en) * | 2012-08-07 | 2015-04-15 | 株式会社利富高 | Buckle |
CN107054287A (en) * | 2016-02-10 | 2017-08-18 | 株式会社东海理化电机制作所 | Locking ring device |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US7448116B1 (en) * | 2006-05-01 | 2008-11-11 | Illinois Tool Works Inc. | Quick release buckle |
JP4917525B2 (en) * | 2007-12-19 | 2012-04-18 | 株式会社東海理化電機製作所 | Resin member fitting structure and vehicle interior antenna device |
US8312602B2 (en) | 2008-11-07 | 2012-11-20 | Jisook Paik | Buckle equipped with a whistle |
JP5616690B2 (en) * | 2010-06-07 | 2014-10-29 | 株式会社ニフコ | buckle |
CN102946752B (en) * | 2010-06-24 | 2015-06-10 | Ykk株式会社 | Front release buckle |
WO2013184594A1 (en) * | 2012-06-06 | 2013-12-12 | Illinois Tool Works Inc. | Multi-directional buckle assembly |
SE536668C2 (en) * | 2012-07-12 | 2014-05-13 | BabyBjörn AB | Safety Buckle |
US9510626B2 (en) * | 2013-02-01 | 2016-12-06 | 3M Innovative Properties Company | Sleeve-fit respirator cartridge |
EP3145595B1 (en) * | 2014-05-22 | 2019-04-10 | 3M Innovative Properties Company | Personal protective device strap connecting buckle assembly |
US10104943B2 (en) * | 2014-07-07 | 2018-10-23 | Abbas Haider | Pull and release latch |
JP6462510B2 (en) * | 2015-06-26 | 2019-01-30 | Ykk株式会社 | buckle |
KR101922285B1 (en) | 2015-08-20 | 2018-11-26 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | Buckle for connecting strap and respirator harness including the same |
KR102073783B1 (en) | 2015-08-20 | 2020-02-05 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | Head band member for wearing respirator mask and head cradle including same |
JP6358995B2 (en) * | 2015-08-28 | 2018-07-18 | 株式会社ニフコ | Code lock |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0411531Y2 (en) * | 1986-08-12 | 1992-03-23 | ||
JPH0540733Y2 (en) * | 1987-09-30 | 1993-10-15 | ||
JPH052092Y2 (en) * | 1988-06-22 | 1993-01-20 | ||
US5551131A (en) * | 1994-12-15 | 1996-09-03 | National Molding Corp. | Buckle which is releasable by depression of a hinged member and having improved locking capability |
US5784765A (en) * | 1997-05-14 | 1998-07-28 | Fildan; Gerhard | Partial-Release front closure for an uplift brassiere |
US20020083562A1 (en) * | 2001-01-03 | 2002-07-04 | Lerra Christopher G. | Co-molded fastening devices |
-
2003
- 2003-05-07 JP JP2003129628A patent/JP3992194B2/en not_active Expired - Fee Related
-
2004
- 2004-02-06 KR KR10-2004-0007856A patent/KR100511434B1/en not_active IP Right Cessation
- 2004-02-16 TW TW093135358A patent/TWI241171B/en not_active IP Right Cessation
- 2004-03-19 US US10/804,074 patent/US20040221432A1/en not_active Abandoned
- 2004-04-29 CN CNA2004100374595A patent/CN1550168A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1947611B (en) * | 2005-10-12 | 2011-04-06 | 白智淑 | Buckle |
CN103244039A (en) * | 2012-02-01 | 2013-08-14 | 清展科技股份有限公司 | Fixing structure of scroll type screen window |
CN104519766A (en) * | 2012-08-07 | 2015-04-15 | 株式会社利富高 | Buckle |
CN104519766B (en) * | 2012-08-07 | 2017-03-01 | 株式会社利富高 | Bracelet |
CN107054287A (en) * | 2016-02-10 | 2017-08-18 | 株式会社东海理化电机制作所 | Locking ring device |
CN107054287B (en) * | 2016-02-10 | 2021-04-13 | 株式会社东海理化电机制作所 | Buckle device |
Also Published As
Publication number | Publication date |
---|---|
TWI241171B (en) | 2005-10-11 |
JP3992194B2 (en) | 2007-10-17 |
KR20040095616A (en) | 2004-11-15 |
KR100511434B1 (en) | 2005-08-30 |
US20040221432A1 (en) | 2004-11-11 |
TW200513205A (en) | 2005-04-16 |
JP2004329571A (en) | 2004-11-25 |
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