CN104323542B - Zipper head of zipper - Google Patents

Zipper head of zipper Download PDF

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Publication number
CN104323542B
CN104323542B CN201410639801.2A CN201410639801A CN104323542B CN 104323542 B CN104323542 B CN 104323542B CN 201410639801 A CN201410639801 A CN 201410639801A CN 104323542 B CN104323542 B CN 104323542B
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CN
China
Prior art keywords
pull
tab device
slide unit
keeping body
upper flange
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Active
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CN201410639801.2A
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Chinese (zh)
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CN104323542A (en
Inventor
槻庆
槻庆一
埴生雅裕
徐献祥
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YKK Corp
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YKK Corp
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Publication date
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Priority to CN201410639801.2A priority Critical patent/CN104323542B/en
Priority claimed from CN200980161611.1A external-priority patent/CN102548447B/en
Publication of CN104323542A publication Critical patent/CN104323542A/en
Application granted granted Critical
Publication of CN104323542B publication Critical patent/CN104323542B/en
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Abstract

The invention provides a zipper head of a zipper. The zipper head (100) is provided with a zipper head main body (20), a zipper tab maintaining body (30), a sliding part (40), an elastic part (5) and a zipper tab (6), wherein the zipper tab maintaining body (30) is fixedly arranged on an upper wing plate (21) of the zipper head body (20), the sliding part (40) is glidingly arranged on the zipper head body (20), the elastic part (5) is used for elastically pressing the sliding part (40), and the zipper tab (6) is maintained on the zipper tab maintaining body (30), and is detachably arranged relative to the zipper tab maintaining body (30); the zipper tab maintaining body (30) is provided with a convex part (34) or a concave part which is formed at the end surface of a free end part (33), the sliding part (40) is provided with a main body part (41), a locking part (42) and a concave part (45) or a convex part, the main body part (41) can slide on the zipper head main body (20), the locking part (42) is vertically arranged on the main body part (41), and the concave part (45) or the convex part is arranged at the upper surface of the locking part (42). As a gap (13) which is formed between the free end part (33) of the zipper tab maintaining body (30) and the sliding part (40) is bent along the height direction of the zipper head in a sawtooth way, a thinner fabric can not easily enter the gap (13).

Description

Slider for slide fastener
The present patent application be international filing date be on November 17th, 2009, international application no be pct/jp2009/069499, The national applications number entering National Phase in China is the 200980161611.1, patent application of invention entitled " slider for slide fastener " Divisional application.
Technical field
The present invention relates to the slider for slide fastener of pull-tab device can be assembled and disassembled with respect to slider body.
Background technology
As pull head used in slide fastener, be known to can be with respect to installing pull-tab device, afterwards also in the past after slider body The structure that the pull-tab device being arranged on slider body can be pulled down.Such pull head, due to for example can be according to the requirement of user And hobby etc. various types of pull-tab device different to color and form are arranged on slider body and can easily by The pull-tab device being arranged on slider body is exchanged into other kinds of pull-tab device, so, it is suitably applied and be arranged on such as clothing product And bag etc. slide fastener on.
One example of such slider for slide fastener that can assemble and disassemble pull-tab device is for example by Japanese Unexamined Patent Publication 2-131704 Publication (patent document 1) is open.Here, the pull head recorded with regard to patent document 1, illustrates with reference to Figure 22～Figure 24.
The pull head that this patent document 1 is recorded, by the relative ora terminalis along the zipper teeth chain being arranged on pair of right and left Chain denture slide, can make left and right chain denture be engaged with each other or separate.Here, pull head is used for making chain denture engage and phase For chain denture movement direction as front, will be used for making chain denture separate and the direction of movement as rear.
As shown in FIG. 22 and 23, the pull head 310 of patent document 1 has slider body 320 and pull-tab device 360.Slider body 320 are configured to, and the leading section of upper flange 321 and lower wing plate 322 links each other by guide post 323.In addition, in upper flange 321 And the left and right lateral margin of lower wing plate 322 is extended towards relative lower wing plate 322 and upper flange 321 and has flange 324.
In the upper surface of upper flange 321, it is fixed with pull-tab device keeping body 330 in cantilever manner.This pull-tab device keeping body 330 has: The anchor portion 331 erecting from the leading section of upper flange 321；The extension extending from the bending of this anchor portion 331 and rearward sets Put portion 332；From this extended portion 332 to the free end 333 of upper flange 321 lateral bend, in the freedom of pull-tab device keeping body 330 Between the end face 333a of end 333 side and upper flange 321, it is formed with and installation axle portion 360a of pull-tab device 360 can be made to run through insertion Regulation interspersed gap 311.
In addition, the upper surface side in upper flange 321 is formed with sliding guidance groove from the rear end of upper flange 321 towards front 325, containing in this sliding guidance groove 325: can be along sliding guidance groove 325 in the way of being opened and closed described interspersed gap 311 The slide unit 340 slidably configuring；The elastomeric element 350 that slide unit 340 is rearward suppressed.
In the case of being somebody's turn to do, erect and be provided with configuration in upper flange to prevent slide unit 340 from coming off from sliding guidance groove 325 The engaging portion 326 of 321 rearward end, this engaging portion 326 is dug after slide unit 340 is inserted in sliding guidance groove 325 Close and become the state prominent to the inner side of sliding guidance groove 325.
In addition, slide unit 340 has: main part 341 in sliding guidance groove 325 for the configuration；Project from main part 341 The lock portion 342 of setting, when this slide unit 340 moves to the sliding end suppressing direction side, can be made by lock portion 342 Interspersed gap 311 locking (or narrowing).Therefore, in the extended portion 332 being formed at pull-tab device keeping body 330 and upper flange 321 Between receiving space 312 in housed pull-tab device 360 installation axle portion 360a when, this installation axle portion 360a can be stoped via wearing Slotting gap 311 comes off.
In the pull head 310 of such patent document 1, in the case of pull-tab device 360 being installed after assembling slider body 320, As shown in figure 24, installation axle portion 360a making pull-tab device 360, from the lock portion 342 that rear is crimped on slide unit 340, resists bullet So that slide unit 340 is forwards slided the elastic force pressure of property part 350.Thus, free end 333 He of pull-tab device keeping body 330 Interspersed gap 311 opening between upper flange 321, and, so that installation axle portion 360a of pull-tab device 360 and lock portion 342 is pressed Connect, be passed to the interspersed gap 311 of opening.
Then, installation axle portion 360a of pull-tab device 360 is lifted upward and release installation axle portion 360a and slide unit 340 Lock portion 342 interference, thus, slide unit 340 is suppressed thus moving to the slip suppressing direction side by elastomeric element 350 End, so, interspersed gap 311 is by lock portion 342 locking of this slide unit 340.Thus, installation axle portion 360a of pull-tab device 360 It is housed in receiving space 312, pull-tab device 360 becomes the state being maintained in pull-tab device keeping body 330.
On the other hand, in Japanese Patent Publication 4-32974 publication (patent document 2), also disclose that one kind can be carried out The slider for slide fastener of pull-tab device assembly and disassembly.The pull head that this patent document 2 is recorded has auto-stop mechanism, in the opening and closing not carrying out slide fastener During operation, this auto-stop mechanism passes through stopping corpus unguis making the slip of pull head be automatically stopped with respect to slide fastener coupling element row.
Here, with reference to Figure 25 and Figure 26 while briefly describing the pull head of patent document 2, this pull head 410 has pull head Main body 420 and pull-tab device 460, by being fixed with and drawing to stopping corpus unguis 470 to carry out the pin 471 of e axle supporting on slider body 420 Climb keeping body 430.Additionally, stop corpus unguis 470 being suppressed into by the spring 472 being maintained in slider body 420, stop pawl Set claw 473 on body 470 is projected in the chain tooth path of navigation 426 between lower wing plate 421,422.
Pull-tab device keeping body 430 has: the anchor portion 431 erecting from the leading section of upper flange 421；From this anchor portion 431 bendings the extended portion 432 rearward extending；From this extended portion 432 to the free end of upper flange 421 lateral bend Portion 433, being formed between the end face and upper flange 421 of free end 433 side of pull-tab device keeping body 430 to make pull-tab device 460 Installation axle portion 460a run through insertion regulation interspersed gap.
In addition, being formed with the lower ora terminalis of upper flange 421 side of the extended portion 432 of pull-tab device keeping body 430: keep out of the way Space recess 435, keeping out of the way space for formation makes installation axle portion 460a of pull-tab device 460 keep out of the way；Receiving space recess 436, For forming receiving space to house installation axle portion 460a of pull-tab device 460；Continuous edge 437, is clamped in two recesses 435,436 Between.
In the upper surface side of upper flange 421, it is formed with sliding guidance groove 425 from the rear end of upper flange 421 towards front, Contain in this sliding guidance groove 425: the slide unit 440 that can slidably configure along this sliding guidance groove 425；By sliding part The elastomeric element (helical spring) 450 that part 440 rearward suppresses.
First lock portion 441 and the second lock portion 442 are provided with slide unit 440, this first lock portion 441 is in this cunning When dynamic component 440 is in the state moving to the sliding end suppressing direction side, locking interts gap, and this second lock portion 442 is to drawing The gap climbed between the continuous edge 437 of keeping body 430 and upper flange 421 carries out locking, closes in the first lock portion 441 and second Between lock section 442, it is formed with the groove 443 of installation axle portion 460a that can house pull-tab device 460.
The situation of pull-tab device 460, in the pull head 410 of such patent document 2, is installed after assembling slider body 420 Under, by installation axle portion 460a of pull-tab device 460 from the first lock portion 441 that rear is crimped on slide unit 440, and resist elasticity The elastic force pressure of part 450 makes slide unit 440 forwards slide.Thus, the free end 433 of pull-tab device keeping body 430 and upper limb Interspersed clearance opening between plate 421, and, make installation axle portion 460a of pull-tab device 460 be crimped on the first lock portion 441 On, pass through the interspersed gap of opening.Next, making installation axle portion 460a of pull-tab device 460 lift upward and move to Keep out of the way space (keeping out of the way space recess 435).Thus, slide unit 440 is suppressed and moved to and suppress direction by elastomeric element 450 The sliding end of side, therefore, interts gap by the first lock portion 441 locking of this slide unit 440.
Then, installation axle portion 460a making pull-tab device 460 moves downwards and is housed in the groove 443 of slide unit 440, And, so that this installation axle portion 460a is crimped with the second lock portion 442 of slide unit 440, and resist suppressing of elastomeric element 450 Power makes slide unit 440 forwards slide.Thus, make between the continuous edge 437 of pull-tab device keeping body 430 and upper flange 421 Clearance opening, makes installation axle portion 460a of pull-tab device 460 pass through this gap.
Then, installation axle portion 460a of pull-tab device 460 is lifted and upward to receipts in the groove 443 of slide unit 440 Hold space (receiving space recess 436) mobile.Thus, slide unit 440 is suppressed by elastomeric element 450 and moves to the side of suppressing To the sliding end of side, thus becoming the state that pull-tab device 460 is kept by pull-tab device keeping body 430.
So, the pull head 410 according to patent document 2, even if being configured with stopping corpus unguis 470 on slider body 420, also can Enough installations stably carrying out pull-tab device 460, in addition, as needed it is also possible to pull down simultaneously pull-tab device 460 from pull-tab device keeping body 430 Easily changed.
Patent document 1: Japanese Unexamined Patent Publication 2-131704 publication
Patent document 2: Japanese Patent Publication 4-32974 publication
In the pull head 310,410 that aforesaid patent document 1 and patent document 2 are recorded, can be slideably arranged at and draw Slide unit 340,440 in head main body 320,420 is located at the slip suppressing direction side being suppressed by elastomeric element 350,450 In the case of end, it is formed at interspersed between the free end 333,433 of pull-tab device keeping body 330,430 and upper flange 321,421 Gap 311 is by the lock portion 342 of slide unit 340,440,441 lockings.
In the case of being somebody's turn to do, generally in the free end 333 of pull-tab device keeping body 330,430, the end face 333a of 433 sides and sliding part Between the lock portion 342,441 of part 340,440, be provided with gap make slide unit 340,440 not with pull-tab device keeping body 330,430 Free end 333,433 contact.Its reason is, in end face and the slide unit of the free end side for example making pull-tab device keeping body Lock portion contact with each other and constitute pull head in the case of, due to the constituent part of pull head dimensional accuracy the problems such as, there is cunning Dynamic component is hooked on possibility that cannot be movable in pull-tab device keeping body and there is the possibility that the sliding of slide unit reduces.
Therefore, in actual pull head 310,410, in order that slide unit 340,440 swimmingly slides and stably pacifies Dress pull-tab device 360,460, the free end 333 of pull-tab device keeping body 330,430, the end face 333a of 433 sides and slide unit 340, It is provided with gap to a certain degree between 440 lock portion 342,441.
But, it is being provided between the end face 333a and slide unit 340,440 of pull-tab device keeping body 330,430 like this In the case of gap, when on pull head 310,410 install pull-tab device 360,460 when and pull head 310,410 be arranged on the products such as bag On go forward side by side enforcement used time etc., there is a problem of that the foreign matters such as relatively thin cloth are easily accessible in this gap and (specifically, for example exist Pull head is arranged in the case of wrapping, and there is the end face of pull-tab device keeping body and the sliding part that cuff of clothes etc. enters into this pull head The situation in gap between part).
In addition, as the pull head 310,410 of patent document 1 and patent document 2, when energy on upper flange 321,421 Enough be slidably configured with slide unit 340,440 in the case of, there is problems with it may be assumed that ought be for example thicker the collision such as cloth To slide unit 340,440 rear when, this cloth etc. push slide unit 340,440 and make slide unit 340,440 forward Sliding in side, leads to nip cloth between the free end 333,433 and slide unit 340,440 of pull-tab device keeping body 330,430 Deng.
And, as described above, when in the free end 333 of pull-tab device keeping body 330,430, the end face 333a of 433 sides and cunning Free end in the case of entering cloth etc. in gap between dynamic component 340,440 and in pull-tab device keeping body 330,430 In the case of having nipped cloth etc. between portion 333,433 and slide unit 340,440, carry out the installation of pull-tab device 360,460 with And when changing, cloth etc. becomes obstacle, in addition, also there is this unfavorable condition of operation that cloth etc. hinders pull head 310,410.And And, in the case of the auto-stop mechanism that pull head has based on stopping corpus unguis, enter into cloth in described gap etc. and be snapped Enter and stop in corpus unguis, there is the function of stopping corpus unguis by hindering this unfavorable condition.
Content of the invention
The present invention is in view of above-mentioned conventional problem and the invention made, and its specific purposes is to provide a kind of slide fastener with drawing Head, is prevented from the foreign matters such as cloth and enters or bitten between pull-tab device keeping body and slide unit such that it is able to swimmingly enter The installation of row pull-tab device and replacing, in addition it can be ensured that the excellent operability of pull head.
To achieve these goals, the slider for slide fastener that the present invention provides, as basic structure, comprising: slider body, tool There is upper lower wing plate；Pull-tab device keeping body, with cantilever-shaped be fixed on described upper flange and anchor portion erect from described upper flange, Free end laterally described upper limb plate benging；Slide unit, with to be formed at described pull-tab device keeping body described free end and The mode that gap between described upper flange is opened and closed can be slideably arranged on described slider body；Elastomeric element, will Described slide unit suppresses to the locking direction in described gap；Pull-tab device, is maintained in described pull-tab device keeping body, described slide unit Have: main part, can be slidably mounted on described slider body；Lock portion, erects and is located on described main part and in institute State main part move to described elastomeric element suppress direction side sliding end when by the locking of described gap, described slider for slide fastener It is configured to, described pull-tab device can be assembled and disassembled with respect to described pull-tab device keeping body via described gap, its topmost feature It is, described pull-tab device keeping body has: be formed at the protuberance on the end face of described free end side or recess, described slide unit The described lock portion opposite face relative with described pull-tab device keeping body has: can supply described in described pull-tab device keeping body The recess that formed of mode of protuberance insertion or formed in the way of in the described recess being inserted into described pull-tab device keeping body Protuberance.
In the slider for slide fastener of the present invention it is preferable that when being inserted in described recess in described protuberance, in described protuberance It is provided with gap and described recess between and in the range of pull head width, described gap bends to sawtooth along pull head short transverse Shape.
It is preferable that described slide unit has in the slider for slide fastener of the present invention: auxiliary locking portion, erect be located at The described lock portion of described main part compare by suppressing direction side, in the bullet making described slide unit resist described elastomeric element When pressure slides, by the locking of described gap or described gap turn narrow can be made；House groove portion, configuration is in described lock portion and described Between auxiliary locking portion, and the installation axle portion of described pull-tab device can be housed.
In the case of being somebody's turn to do, it is highly preferred that described auxiliary locking portion is set to less than described from the projecting height of described upper flange Lock portion is from the projecting height of described upper flange.
In addition, it is preferable that the described free end of described pull-tab device keeping body and movement in the slider for slide fastener of the present invention To the described lock portion of the described slide unit of the described sliding end suppressing direction side position compare to suppress direction side extend Setting.
Further, according to the present invention, providing a kind of slider for slide fastener, comprising: slider body, there is upper lower wing plate；Pull-tab device is protected Hold body, with cantilever-shaped be fixed on described upper flange and anchor portion erect from described upper flange, free end laterally described Wing plate bends；Slide unit, between the described free end being formed at described pull-tab device keeping body and described upper flange The mode that gap is opened and closed can be slideably arranged on described slider body；Elastomeric element, by described slide unit to described The locking direction in gap is suppressed；Pull-tab device, is maintained in described pull-tab device keeping body, described slide unit has: main part, can slide It is arranged on described slider body dynamicly；Lock portion, erects and is located on described main part and moves in described main part described Elastomeric element suppress direction side sliding end when by the locking of described gap, described slider for slide fastener is configured to, between described Described pull-tab device can be assembled and disassembled by gap with respect to described pull-tab device keeping body, and it is topmost to be characterised by, described slide unit Have: auxiliary locking portion, erect be located at compared with the described lock portion of described main part by suppressing direction side, making described cunning When dynamic component resists the elastic force pressure slip of described elastomeric element, by the locking of described gap or described gap turn narrow can be made；House Groove portion, configures between described lock portion and described auxiliary locking portion, can house the installation axle portion of described pull-tab device.
The effect of invention
The slider for slide fastener of the present invention has: with the pull-tab device keeping body on the cantilever-shaped upper flange being fixed on slider body； Can be slidably in the way of the interspersed gap between the free end being formed at pull-tab device keeping body and upper flange is opened and closed Slide unit on slider body for the configuration.In addition, pull-tab device keeping body have convex on the end face being formed at its free end side Portion or recess.
Slide unit has: the main part that can slidably be inlaid on slider body and be suppressed by elastomeric element；Erect It is located at the lock portion on main part, the lock portion opposite face relative with pull-tab device keeping body is formed with: can protect for pull-tab device The recess that formed with holding the described protuberance insertion of body or formed in the way of in the described recess being inserted into pull-tab device keeping body Protuberance.
The pull head of such present invention is configured to, be formed at protuberance on the end face of free end side of pull-tab device keeping body or Recess on recess and the opposite face of the lock portion being formed at slide unit or protuberance mutually accordingly configure, in pull-tab device keeping body The end face of free end side and the lock portion upper surface of slide unit between be provided with gap.Therefore, make slide unit relatively When upper flange slides, this slide unit can be made contiguously swimmingly not slide with the free end of pull-tab device keeping body, so, Installation and the dismounting of pull-tab device can stably be carried out.
And, on the end face and the opposite face of the lock portion of slide unit in the free end side of pull-tab device keeping body, each Protuberance or recess mutually accordingly configure, and thus, when protuberance is inserted in recess, are formed at the free end of pull-tab device keeping body Gap (being formed at the gap between protuberance and recess) between the lock portion upper surface of the end face of side and slide unit is along pull head Short transverse bends to zigzag, and is formed in the range of pull head width.
Because above-mentioned like this gap is formed as zigzag, the foreign matters such as relatively thin cloth can be made to be difficult to enter into this gap In, so, in the installation carrying out pull-tab device and replacing, being prevented from generation cloth etc. becomes the unfavorable condition of obstruction and draws The operation of head is subject to the unfavorable condition that cloth etc. affects.
In addition, the slide unit of this pull head has: auxiliary locking portion, erect and be located at leaning on compared with the lock portion of main part Suppress direction side, when the elastic force pressure enabling slide unit to resist elastomeric element slides will the locking of interspersed gap or make interspersed between Gap narrows；House groove portion, configure between lock portion and auxiliary locking portion, the installation axle portion of pull-tab device can be housed.Thus, pass through Slide unit is made to slide in the state of the installation axle portion by pull-tab device is housed in the collecting groove portion of slide unit, can be swimmingly Carry out installation and the dismounting of pull-tab device.
It is additionally, since being provided with auxiliary locking portion by suppressing direction side and erecting compared with the lock portion of main part, so, Even if colliding the rear side of slide unit in foreign matters such as example thicker clothes and slide unit being pushed and slided by this foreign matter In the case of, due to interspersed gap turn narrow by the locking of interspersed gap or is made by auxiliary locking portion, thus it is possible to prevent foreign matter from entering Enter, be prevented from foreign matter and nipped between the free end of pull-tab device keeping body and slide unit.Therefore, it is possible to be more reliably prevented from Occur cloth etc. to become the unfavorable condition of obstruction and the operation of pull head by cloth in the installation carrying out pull-tab device and when changing Unfavorable condition Deng impact.
In the case of being somebody's turn to do, auxiliary locking portion is set to prominent from upper flange less than lock portion from the projecting height of upper flange Highly low.Thus, when being installed to pull-tab device on slider body, the installation axle portion of pull-tab device easily can be guided and be housed in It is located in the collecting groove portion of the slide unit of sliding end suppressing direction side, thus it is possible to more swimmingly carry out the installation of pull-tab device Operation.
And, in the pull head of the present invention, the free end of pull-tab device keeping body suppresses the sliding end of direction side with moving to The lock portion of slide unit position compare to suppress direction side be extended.Thereby, it is possible to the installation axle portion of pull-tab device is held Change places the interspersed gap being directed between the free end of pull-tab device keeping body and upper flange, so, the installation exercise of pull-tab device becomes More smooth.
On the other hand, other slider for slide fastener of the present invention have: with the cantilever-shaped upper flange being fixed on slider body On pull-tab device keeping body；Be opened and closed to the interspersed gap between the free end being formed at pull-tab device keeping body and upper flange Mode can be slideably arranged at the slide unit on slider body.
In addition, slide unit has: main part, can slidably be inlaid on slider body and be suppressed by elastomeric element； Lock portion, erect be located on main part, when main part moves to the sliding end suppressing direction side by the locking of interspersed gap；Auxiliary Lock portion, erect be located at compared with the described lock portion of main part by suppressing direction side, make slide unit resist elastic portion The elastic force pressure of part slides into by the locking of interspersed gap or can make interspersed gap with during the described sliding end suppressing side in opposite direction Narrow；House groove portion, configuration, between lock portion and auxiliary locking portion, can house the installation axle portion of pull-tab device.
Thus, by making sliding part in the state of housing in the installation axle portion by pull-tab device in the collecting groove portion of slide unit Part slides, and can swimmingly carry out installation and the dismounting of pull-tab device.Be additionally, since compared with the lock portion of main part by bullet Pressure direction side erects and is provided with auxiliary locking portion, so, even if after the foreign matters such as example thicker cloth collide slide unit Side, and in the case that slide unit is pushed and slided by this foreign matter, by the locking of interspersed gap or so that it is become by auxiliary locking portion Narrow, thereby, it is possible to prevent foreign matter from entering, it is prevented from nipping between the free end and slide unit of pull-tab device keeping body different Thing.Therefore, being prevented from generation cloth etc. in the installation carrying out pull-tab device and when changing becomes unfavorable condition, the Yi Jila of obstruction The operation of head is subject to the unfavorable condition that cloth etc. affects.
Brief description
Fig. 1 is the exploded perspective view of the slider for slide fastener of embodiments of the invention 1.
Fig. 2 is in this pull head, represents the protuberance of free end side being formed at pull-tab device keeping body and is formed at sliding part The sectional view of the relation between recess on part.
Fig. 3 is the side view of the relation representing slider body and pull-tab device.
Fig. 4 is to illustrate when being inserted in the receiving space between pull-tab device keeping body and upper flange by the installation axle portion of pull-tab device The sectional view of operation.
Fig. 5 is in the variation of pull head, represents the recess being formed in pull-tab device keeping body and is formed on slide unit Protuberance between relation sectional view.
Fig. 6 is in other variation of pull head, represents the protuberance being formed in pull-tab device keeping body and is formed at slip The sectional view of the relation between recess on part.
Fig. 7 is in addition other variation of pull head, represents the protuberance being formed in pull-tab device keeping body and is formed at The sectional view of the relation between recess on slide unit.
Fig. 8 is in addition other variation of pull head, represents the protuberance (or recess) being formed in pull-tab device keeping body Sectional view with the relation of the recess (or protuberance) being formed on slide unit.
Fig. 9 is the sectional view of the state being fitted without pull-tab device of the slider for slide fastener representing embodiments of the invention 2.
Figure 10 is the section of the lock portion enlargedly representing the free end of pull-tab device keeping body of this pull head and slide unit Enlarged view of the main part.
Figure 11 is the exploded perspective view of the slider for slide fastener of embodiments of the invention 3.
Figure 12 is in this pull head, represents the protuberance of free end side being formed at pull-tab device keeping body and is formed at sliding part The sectional view of the relation of the recess on part.
Figure 13 is in this pull head, illustrates to guide the installation axle portion of pull-tab device the state to the accommodating grooves of slide unit Sectional view.
Figure 14 is that explanation makes slide unit slide and make the installation axle portion of pull-tab device be inserted into cuing open of the state in receiving space View.
Figure 15 is the sectional view of the state representing that pull-tab device is kept by pull-tab device keeping body.
Figure 16 is the top view of the state representing that pull-tab device is kept by pull-tab device keeping body.
Figure 17 be explanation by the auxiliary locking portion of slide unit prevent foreign matter enter pull-tab device keeping body free end with The main portion sectional view of the state between upper flange.
Figure 18 is to illustrate, also in the case that foreign matter pushing slide unit makes it slide, to prevent foreign matter from being nipped pull-tab device and protect Hold the main portion sectional view of the state between the free end of body and upper flange.
Figure 19 is in the variation of pull head, represents that the free end of pull-tab device keeping body is located on slide unit with erecting The sectional view of the relation in lock portion and auxiliary locking portion.
Figure 20 is the sectional view of the pull head length direction along this pull head.
Figure 21 is the sectional view of the slider for slide fastener of embodiments of the invention 4.
Figure 22 is the exploded perspective view of conventional pull head.
Figure 23 is the sectional view of this pull head.
Figure 24 is in this pull head, the sectional view of the state illustrating to be arranged on pull-tab device on slider body.
Figure 25 is the exploded perspective view of other conventional pull heads.
Figure 26 is the sectional view representing this pull head.
Specific embodiment
Hereinafter, enumerate embodiment, referring to the drawings while describing the present invention in detail preferred embodiment.
Embodiment 1
Fig. 1 is the exploded perspective view of the slider for slide fastener of the present embodiment 1, and Fig. 2 is in this pull head, represents and is formed at pull-tab device The protuberance of free end side of keeping body and the sectional view of the relation being formed between the recess on slide unit.In addition, Fig. 3 and Fig. 4 is the figure representing state or operation when pull-tab device is arranged on slider body.Additionally, in Fig. 3, in order to be easily discernible pull-tab device Installation method, only pull-tab device is illustrated with section.
The slider for slide fastener 10 of the present embodiment 1 is configured to, by along the fastener stringer being arranged on pair of right and left (not shown) Chain denture on the relative ora terminalis of band is slided, and can make the chain denture engagement of left and right and separate.
Additionally, in the following description, the length direction of pull head 10 is defined as fore-and-aft direction, especially pull head 10 is used for making The engagement of chain denture and with respect to chain denture movement direction as front, will be used for making chain denture separately and the direction of movement as Rear.In addition, the short transverse of pull head 10 is defined as above-below direction, especially with respect to slider body 2, pull-tab device 6 side will be installed Direction as top, using the direction of its opposition side as lower section.And, the width of pull head 10 is defined as right and left To.
The pull head 10 of the present embodiment 1, as shown in figure 1, have: slider body 20；It is fixed on slider body 20 with cantilever-shaped On pull-tab device keeping body 30；The slide unit 40 on slider body 20 can be slideably arranged in front-rear direction；By sliding part The helical spring 5 as elastomeric element that part 40 rearward suppresses；It is maintained at the pull-tab device 6 in pull-tab device keeping body 30.Additionally, this reality Apply in example 1, pull-tab device keeping body 30 and slider body 20 form and be thereby secured on slider body 20.
In this pull head 10, slider body 20, pull-tab device keeping body 30, slide unit 40 and pull-tab device 6 can use aluminium alloy, zinc The metal materials such as alloy are simultaneously manufactured by casting forming.Additionally, with regard to these parts, metal material can also be replaced and difference Using polyamide, polypropylene, polyacetals, polybutylene terephthalate (PBT) etc. thermoplastic resin or with the addition of wear resistance strengthening Thermoplastic resin material of material etc. is simultaneously manufactured by injection moulding.
Slider body 20 in this pull head 10 has: upper lower wing plate 21,22, configures with being generally parallel to each other；Guide post 23, Will be connected to each other for the leading section of upper lower wing plate 21,22；Flange 24, from the left and right lateral margin direction of upper flange 21 and lower wing plate 22 Relative lower wing plate 22 and upper flange 21, and be extended along with the orthogonal direction of upper lower wing plate 21,22.
In the front portion of this slider body 20, it is formed with the shoulder mouth of the left and right betwixt being formed across guide post 23, is drawing The rear end of head main body 20 is formed with deutostoma.And, in the way of being surrounded by upper lower wing plate 21,22 and flange 24, it is formed with a left side The chain tooth path of navigation 25 of the y shape that right shoulder mouth connects with deutostoma.
In addition, the upper surface side of the upper flange 21 in slider body 20, from the rear end (acies of deutostoma side) of upper flange 21 Forwards hollowly it is provided with sliding guidance groove 26, in the left and right sidewall of this sliding guidance groove 26, be formed with for slide unit 40 Guide part described later 44 setting-in guide part embedding slot 26a.And, in the bottom of sliding guidance groove 26, it is formed with for receiving Hold the spring accepting groove 26b keeping helical spring 5.
In addition, the rearward end in upper flange 21 is provided with layers of difference portion 21a, in the left and right sides of the rearward end of sliding guidance groove 26 Side, is configured with the locking piece 27 erecting from the upper surface of layers of difference portion 21a.The locking piece 27 of left and right, receives in spring accepting groove 26b In the state of having held helical spring 5 and having inserted slide unit 40 in sliding guidance groove 26, in the way of close to each other to Interior lateral bend is simultaneously caulking, thus, with the rear end face of the aftermentioned guide part 44 of the slide unit 40 being suppressed by helical spring 5 (after The end face of mouth side) abut, so, play the effect of the stop part as slide unit 40.
The pull-tab device keeping body 30 being integrally formed on this slider body 20 has: from the leading section of upper flange 21 (with pull head 10 fore-and-aft direction central authorities compare near front) anchor portion 31 that erects；Extend from the bending of this anchor portion 31 and rearward Extended portion 32；From this extended portion 32 to the free end 33 of upper flange 21 lateral bend.Free end 33 become with There is between upper flange 21 and slide unit 40 state in gap.This pull-tab device keeping body 30 is overall to be in downward spill, draws at this Climb and between the lower ora terminalis of keeping body 30 and the upper surface of upper flange 21, be formed with aftermentioned installation axle portion 6b for housing pull-tab device 6 Receiving space 11.
In addition, on the end face 33a (with the face faced by slide unit 40) of free end 33 side in pull-tab device keeping body 30, shape Become to have protuberance 34, this protuberance 34 is in big along the glide direction of slide unit 40 to the cross section of fore-and-aft direction (pull head length direction) Cause rectangle.In the case of being somebody's turn to do, between the lower surface and the upper surface of upper flange 21 of the protuberance 34 of pull-tab device keeping body 30, it is formed with energy Installation axle portion 6b enough making pull-tab device 6 runs through the interspersed gap 12 of insertion.
Additionally, in the present embodiment 1, pull-tab device keeping body 30 forms and is fixed on slider body 20, but at this Additionally it is possible to after making pull-tab device keeping body 30 and slider body 20 respectively in bright, by methods such as rivetings by pull-tab device keeping body 30 It is fixed on slider body 20.
The slide unit 40 of the present embodiment 1 has: main part 41, and the sliding guidance groove 26 along slider body 20 slides；Close Lock section 42, the central portion of the projecting fore-and-aft direction in this main part 41；Guiding projecting strip part 43, is in raised line ground along the longitudinal direction It is formed at lower surface (back side) side of main part 41 and be inserted into that in spring accepting groove 26b, the slip to slide unit 40 is entered Row guiding；Guide part 44, configuration main part 41 left and right side edge part and for be inlaid in sliding guidance groove 26 guide part embedding In tankage 26a.
In this slide unit 40, on lock portion 42 opposite face relative with pull-tab device keeping body 30 (upper surface) 42a, Accordingly it is provided with recess 45 with the position of protuberance 34 so that the protuberance 34 being formed in pull-tab device keeping body 30 is inserted into.
With regard to protuberance 34, as shown in Fig. 2 on the end face 33a of free end 33 side of pull-tab device keeping body 30, protuberance 34 The end face 33a of left and right directions both sides is above compared with the end face 33a of the front of protuberance 34.In addition, slide unit 40 The bottom surface 42a of the recess 45 in opposite face 42a is facing with the end face 33a of the front of protuberance 34.And, in pull-tab device keeping body In 30 free end 33, the size of the width (left and right directions) of protuberance 34 is set smaller than pull-tab device keeping body 30 entirety The size of width.
Therefore, especially in the case that installation axle portion 6b of pull-tab device 6 is formed as arc-shaped, axle portion 6b will be installed as be described hereinafter When being crimped on like that in lock portion 42, and resisting the elastic force pressure press-in of helical spring 5, installation axle portion 6b of pull-tab device 6 and pull-tab device are protected The free end 33 holding body 30 is mutually difficult to interfere, and can be readily pressed into installation axle portion 6b of pull-tab device 6.Additionally, such effect Really, equally also can obtain in the pull head represented by Fig. 6 and Figure 12 for example described later.
Should in the case of, end face 33a in free end 33 side of pull-tab device keeping body 30 and be formed at convex on this end face 33a The upper surface 42a of the lock portion 42 in portion 34 and slide unit 40 and be formed at this upper surface 42a recess 45 between so that The mode that pull-tab device keeping body 30 and slide unit 40 are not directly contacted with is provided with gap 13.This gap 13, because of pull-tab device keeping body 30 The recess 45 of protuberance 34 and lock portion 42 and on one side along the vertical direction (pull head short transverse) with saw tooth shaped crimp, in left and right Formed in the range of direction (pull head width).
That is, the state that protuberance 34 is inserted into recess 45 is, protect with pull-tab device with the lock portion 42 of slide unit 40 The front end (upper end of the left and right sides) holding body 30 relative opposite face (upper surface) 42a is compared, and has the end face 33a's of protuberance 34 The front end of upper flange 21 side is located at the state of main part 41 side (lower side) of slide unit 40.Therefore, in the lateral direction, close The front end (upper end of the left and right sides) of opposite face (upper surface) 42a of lock section 42 and the front end face of the protuberance 34 of pull-tab device keeping body 30 Compare side above.In addition, the front end face of the protuberance 34 in the central portion configuration of the left and right directions of pull-tab device keeping body 30, and close The bottom surface of the recess 45 of lock section 42 is relative, and, position compared with the opposite face of the left and right sides of this lock portion 42 (upper surface) 42a In lower side (main part 41 side of slide unit 40).Thus, in the free end 33 of slide unit 40 and pull-tab device keeping body 30 Between be provided with indentation bending gap 13.
Here, jagged gap 13 is formed but it is also possible to arrange in the way of having the layer difference bending to substantially 90 ° Become, on such as left and right directions, the part on left side and/or right side is poor with the layer that the part in central authorities has above-below direction, in addition, Can also be arranged to, for example, at least two straight lines are in substantially v font with the angular cross specifying.
The pull-tab device 6 of the present embodiment 1 has: the flat pull-tab device main part 6a that can be pinched by finger；One landform Become installation axle portion 6b of the arc-shaped in one end of this pull-tab device main part 6a.
Next, illustrating to the order of the pull head 10 of assembling the present embodiment 1.
First, carry out the operation in slider body 20 over-assemble slide unit 40 and helical spring 5.Specifically, by spiral shell Rotation spring 5 insertion is formed in the spring accepting groove 26b on the upper flange 21 of slider body 20, next, making slide unit 40 Front end face 33a abut with the rear end of helical spring 5, compress this helical spring 5 and slide unit 40 inserted slip Guiding groove 26.
When slide unit 40 is inserted sliding guidance groove 26, the guiding projecting strip part 43 of slide unit 40 is made to embed upper flange 21 spring accepting groove 26b, and, make the guide part 44 of slide unit 40 be inlaid in the guide part embedding slot 26a of upper flange 21 In.Then, after slide unit 40 is inserted sliding guidance groove 26, the locking piece 27 of the rearward end being located at upper flange 21 will be erected Buckle in a direction close to each other and caulking, thus, slide unit 40 can be slidably in the state of being suppressed by helical spring 5 It is arranged on upper flange 21.
Now, played a role as the stop part of slide unit 40 by caulking locking piece 27, so, with locking piece The position of the slide unit 40 of 27 abuttings becomes the sliding end suppressing direction side of this slide unit 40, when slide unit 40 is located at When this suppresses the sliding end of direction side, will be formed in the free end of pull-tab device keeping body 30 by the lock portion 42 of slide unit 40 Gap (interspersed gap) 12 lockings (or making it narrow) between 33 and upper flange 21.On the other hand, slide unit 40 with bullet The sliding end pressing side in opposite direction is become and is covered on the sliding guidance groove 26 of upper flange 21 with the lock portion 42 of slide unit 40 Position abut position.
Additionally, the pull head 10 of the present embodiment 1 is configured to, in the case of observing this pull head 10 from side, in sliding part Part 40 is suppressed by helical spring 5 and is located at when suppressing the sliding end of direction side, the free end 33 of pull-tab device keeping body 30 be located at The lock portion 42 suppressing the slide unit 40 of the sliding end of direction side compares side extension (with reference to Fig. 3) backward.
Thus, in lock portion 42 side rearward than slide unit 40, pull-tab device keeping body 30 free end 33 and on It is formed with the gap 14 of regulation between wing plate 21.By arranging this gap 14, as described later, in order that slide unit 40 to When slip and crimped installation axle portion 6b of pull-tab device 6 with the lock portion 42 of slide unit 40 in front, by inserting in this gap 14 Enter installation axle portion 6b of pull-tab device 6, can easily this installation axle portion 6b be positioned.Therefore, it is possible to make installation axle portion 6b can It is crimped on the lock portion 42 of slide unit 40 by ground, slide unit 40 can be made forwards easily to slide.
And, in the pull head 10 of the present embodiment 1, in order that the free end 33 of slide unit 40 and pull-tab device keeping body 30 is not Contact and be between formed with gap 13.And it is configured to, when slide unit 40 is located at the sliding end suppressing direction side, The protuberance 34 being formed on the end face 33a of free end 33 side of pull-tab device keeping body 30 is inserted into and is formed at slide unit 40 In the recess 45 of the upper surface 42a of lock portion 42.Here, the protuberance 34 of pull-tab device keeping body 30 is inserted into the recess of slide unit 40 Refer in 45, the leading section of protuberance 34 have the upper surface 42a of recess 45 with the formation of lock portion 42 compared with enter into recess 45 Bottom surface side.
So, by forming gap 13 between the free end 33 of slide unit 40 and pull-tab device keeping body 30, make cunning When dynamic component 40 slides with respect to upper flange 21, slide unit 40 can be made not contact with the free end 33 of pull-tab device keeping body 30 Ground swimmingly slides.Therefore, when making slide unit 40 slide and to carry out the installation of pull-tab device 6 and remove, can swimmingly enter This installation exercise of row and dismounting operation.
In addition, when slide unit 40 is located at the sliding end suppressing direction side, the protuberance 34 due to pull-tab device keeping body 30 is inserted Enter in the recess 45 of slide unit 40, can make to be formed between slide unit 40 and the free end 33 of pull-tab device keeping body 30 (pull head short transverse) bends to zigzag along the vertical direction in gap 13.Thereby, it is possible to make the foreign matters such as relatively thin cloth difficult To enter in this gap 13.
As described above, after having carried out for slide unit 40 and helical spring 5 being assembled in the operation on slider body 20, Enter to be about to the operation that pull-tab device 6 is arranged in pull-tab device keeping body 30.Specifically, as shown in figure 3, in the installation axle portion by pull-tab device 6 6b is inserted into the regulation between the end face 33a of free end 33 side being formed at pull-tab device keeping body 30 and upper flange 21 from rear side Gap 14 in and the lock portion 42 of slide unit 40 crimped, and, by this installation axle portion 6b by slide unit 40 Lock portion 42 be forwards pressed into.
Thus, as shown in figure 4, slide unit 40 resists the sliding guidance groove of the elastic force pressure of helical spring 5 along upper flange 21 26 forwards slide, and are additionally, since slide unit 40 and forwards slide, interspersed by lock portion 42 locking of slide unit 40 Gap 12 opening.Therefore, via the interspersed gap 12 of opening, installation axle portion 6b of pull-tab device 6 can be made to move to receiving space 11 Interior.
And, after installation axle portion 6b of pull-tab device 6 moves in receiving space 11, this installation axle portion 6b is carried upward Rise, and release the installation pushing to slide unit 40 for axle portion 6b, then, the slide unit 40 being pressed into front is by helical spring 5 Suppress and move to the sliding end suppressing direction side, thus by between the free end 33 of pull-tab device keeping body 30 and upper flange 21 Interspersed gap 12 locking.Thereby, it is possible to obtain the pull head 10 of the present embodiment 1 it may be assumed that installation axle portion 6b of pull-tab device 6 is housed in receipts Hold in space 11, and pull-tab device 6 is maintained in pull-tab device keeping body 30.
Additionally, in the case that the pull-tab device 6 in the pull-tab device keeping body 30 that will remain in pull head 10 is pulled down, will be slided with finger etc. Dynamic component 40 forwards pushes, so that the elastic force pressure that slide unit 40 resists helical spring 5 advances.Thus, because pull-tab device is protected Hold interspersed gap 12 opening between the free end 33 of body 30 and upper flange 21, so, via this interspersed gap 12 by pull-tab device 6 Installation axle portion 6b extract such that it is able to easily pull down pull-tab device 6 from receiving space 11.
As described above, the pull head 10 of the present embodiment 1 is configured to, because slide unit 40 can be slideably arranged at upper limb On plate 21, thus it is possible to make pull-tab device 6 be assembled and disassembled with respect to slider body 20.
And, in this pull head 10, there is between the free end 33 of slide unit 40 and pull-tab device keeping body 30 gap 13, And, the protuberance 34 being located on the end face 33a of pull-tab device keeping body 30 and the recess 45 being located on slide unit 40 are along slide unit 40 glide direction is formed.Therefore, when making slide unit 40 slide with respect to upper flange 21, this slide unit 40 can be made not Contiguously swimmingly slide with the free end 33 of pull-tab device keeping body 30, thus it is possible to stably carry out pull-tab device 6 installation and Remove.
And, it is formed at the gap 13 between slide unit 40 and the free end 33 of pull-tab device keeping body 30, by being located at Protuberance 34 on the end face 33a of pull-tab device keeping body 30 and the recess 45 that is located on slide unit 40 and bend to saw along the vertical direction Dentation, thus it is possible to prevent the foreign matters such as relatively thin cloth from entering into this gap 13.Therefore, it is possible to prevent to draw in conventional The unfavorable condition producing in 10, specifically, such as enters into the foreign matter in gap 13 in the installation carrying out pull-tab device 6 and when changing Become the unfavorable condition of obstruction；Hinder the unfavorable condition of the operation of pull head 10 because entering into the foreign matter in gap 13.
Additionally, in the pull head 10 of above-described embodiment 1, setting in the end face 33a of free end 33 side of pull-tab device keeping body 30 Put protuberance 34, and, the upper surface setting in the lock portion 42 of slide unit 40 can supply the protuberance 34 of pull-tab device keeping body 30 to insert The recess 45 entering, is formed at free end 33 and the slide unit 40 of pull-tab device keeping body 30 thereby, it is possible to prevent foreign matter from entering into Between gap 13.
But, 1 form that the invention is not restricted to the embodiments described and the form of embodiment 2～embodiment 4 described later, For example shown in Fig. 5 the variation of pull head like that or, in the end face 33a of free end 33 side of pull-tab device keeping body 30 Recess 35 is set and the upper surface 42a setting in the lock portion 42 of slide unit 40 is inserted into the recessed of pull-tab device keeping body 30 Protuberance 46 in portion 35, thus, prevents foreign matter from entering into institute between the free end 33 of pull-tab device keeping body 30 and slide unit 40 In the gap 13 being formed.
In addition, the end face 33a of free end 33 side in pull-tab device keeping body 30, replace as setting above-described embodiment 1 The protuberance 34 in substantially rectangular shape to the cross section of pull head length direction, it is also possible that other deformation of pull head as shown in Fig. 6 Like that, in the end face 33a of free end 33 side of pull-tab device keeping body 30, setting is in substantially to the cross section of pull head length direction to example The protuberance 34a of triangle, and will be corresponding with the cross sectional shape of protuberance 34a recessed in the way of can inserting for this protuberance 34a 45a depression in portion is arranged on the upper surface 42a of the lock portion 42 of slide unit 40.This protuberance 34a is from the freedom of pull-tab device keeping body 30 Width (left and right directions) entire surface of end 33 is extended, under in width, the wall thickness of (left and right directions) is with tending to The gradually thinning shape in side.
Additionally, in addition other variation of pull head as shown in Fig. 7, in the free end 33 of pull-tab device keeping body 30 Side be provided with to the cross section of pull head length direction be in for example roughly triangular shape protuberance 34a (the protuberance 34a same with Fig. 6) In the case of, as long as the recess 45 being located at the upper surface of lock portion 42 of slide unit 40 can be for this protuberance 34a insertion Shape or have not corresponding with the cross sectional shape of protuberance 34a substantially rectangular shape space structure.
In addition, in above-described embodiment 1 and variation, end face 33a in free end 33 side of pull-tab device keeping body 30 and On the upper surface 42a of the lock portion 42 of slide unit 40, protuberance and recess are mutually right in the substantially central portion of pull head width Should be formed on ground.But, in the present invention, as long as be prevented from foreign matter and entering into the free end 33 of pull-tab device keeping body 30 and slide Additionally it is possible to make protuberance and recess be correspondingly formed on from pull head width substantially in the gap 13 being formed between part 40 The position of central portion displacement.
Such as Fig. 8 illustrates in addition other variation of pull head like that, it is also possible that when the rear end side of pull head is observed, In the end face 33a of free end 33 side of pull-tab device keeping body 30, section protuberance 34b in substantially rectangular shape is formed at free end Near 33 left side, and, the upper surface 42a of the lock portion 42 in slide unit 40, the protuberance of pull-tab device keeping body 30 can be supplied The recess 45b of 34b insertion is also formed near the left side of lock portion 42.
Additionally, in the case of the variation shown in this Fig. 8, by change protuberance and recess observational technique additionally it is possible to It is understood as: be formed about recess on the right side of the free end 33 of such as pull-tab device keeping body 30, in the lock portion of slide unit 40 42 right side is formed about the protuberance being inserted in the recess of pull-tab device keeping body 30.
In an any of the above described variation, have in common that, upper in the end face of free end side of pull-tab device keeping body The front end (lower end) of wing plate side is configured to, than the freedom in the opposite face relative with pull-tab device keeping body of the lock portion of slide unit The front end (upper end) of end side is located at the main part side (lower side) of slide unit, and the free end in pull-tab device keeping body and cunning Jagged gap is set between dynamic component.
Embodiment 2
Fig. 9 is the sectional view of the state being fitted without pull-tab device of the pull head representing the present embodiment 2, and Figure 10 is enlargedly to represent The enlarged view of the main part in the section of lock portion of the free end of pull-tab device keeping body of this pull head and slide unit.
The pull head 110 of the present embodiment 2 has: slider body 120；It is integrally formed on slider body 120 with cantilever-shaped Pull-tab device keeping body 130；The slide unit 140 on slider body 120 is configured in the way of being slidable in the vertical direction；To slide The helical spring 105 that dynamic component 140 suppresses upward；It is maintained at the pull-tab device (not shown) in pull-tab device keeping body 130.
The slider body 120 of the present embodiment 2 has: upper lower wing plate 121,122；Leading section by upper lower wing plate 121,122 Guide post 123 connected to each other；The flange 124 being extended from the left and right lateral margin of upper flange 121 and lower wing plate 122, It is formed with the chain tooth path of navigation 125 of y shape between upper lower wing plate 121,122.In addition, being equipped with slip in slider body 120 Bullport 126, this sliding guidance hole 126 via the inside of guide post 123 and extends through lower wing plate from the upper surface of upper flange 121 122 lower surface, is formed with card holding trough 128 in lower wing plate 122 side in this sliding guidance hole 126, this card holding trough 128 being capable of clamp The anti-avulsion piece 127 that one end of helical spring 105 is supported.
The pull-tab device keeping body 130 being formed on this slider body 120 has: from the rearward end of upper flange 121 (with The fore-and-aft direction central authorities of pull head 110 compare near rear) anchor portion 131 that erects；From the bending of this anchor portion 131 and backward The extended portion 132 of Fang Yanshen；From this extended portion 132 to the free end 133 of upper flange 121 lateral bend.Draw at this Climb between keeping body 130 and the upper surface of upper flange 121, be formed with the receiving space 111 of the installation axle portion housing pull-tab device, separately Outward, in end face 133a (with the surface faced by upper flange 121) and the upper flange 121 of free end 133 side of pull-tab device keeping body 130 Upper surface between, be formed with and the installation axle portion of pull-tab device can be supplied to run through the interspersed gap 112 of insertion.And, keep in pull-tab device On the end face 133a of free end 133 side of body 130, depression is provided with recess 135 along the longitudinal direction.
The slide unit 140 of the present embodiment 2 has: can slidably be inlaid in the sliding guidance hole 126 of slider body 120 In main part 141；The lock portion 142 being extended upward from this main part 141；From lock portion 142 upward continuously Form and be inserted into the protuberance 146 in the recess 135 of pull-tab device keeping body 130.In the case of being somebody's turn to do, the main body of slide unit 140 Portion 141, lock portion 142 and protuberance 146 form in the way of the size on pull head width is respectively provided with formed objects, In addition, at the rear portion of lock portion 142 and protuberance 146, being formed with upward and so that the size of pull head length direction is gradually reduced Inclined plane 143.
And, in the lower surface 141a of main part 141, it is formed with and the other end of helical spring 105 can be supplied to insert Patchhole 144.Additionally, in the present embodiment 2, slide unit 140 suppress the sliding end of direction side by localization machine (not shown) Structure and be set on assigned position so that protuberance 146 on being configured at this slide unit 140 and be configured at pull-tab device and keep It is formed with gap 113 between recess 135 on body 130.
Below, the order for the pull head 110 of assembling the present embodiment 2 illustrates.
First, in order to be arranged on slide unit 140 on slider body 120, by slide unit 140, side is inserted into from below It is formed in the sliding guidance hole 126 on slider body 120, next, side is inserted into this slip from below by helical spring 105 In bullport 126, and, the other end of this helical spring 105 is inserted in the patchhole 144 of slide unit 140.
Then, make anti-avulsion piece 127 be connected to one end of helical spring 105, this spiral bullet is compressed by anti-avulsion piece 127 Spring 105, makes this anti-avulsion piece 127 be installed in the card holding trough 128 of slider body 120.Thus, slide unit 140 is with by spiral shell The state that rotation spring 105 suppresses upward can be arranged on slider body 120 with being slidable in the vertical direction.
Now, because slide unit 140 is suppressed upward by helical spring 105, so, as shown in FIG. 9 and 10, slide The protuberance 146 of part 140 is inserted in the recess 135 of pull-tab device keeping body 130, and, is formed at the freedom of pull-tab device keeping body 130 Interspersed gap 112 between end 133 and upper flange 121 becomes by the state of lock portion 142 locking of slide unit 140.
The protuberance 146 of slide unit 140, is not that a part of prominent of ground surface forms like that as described in Example 1, and It is that the whole face (with main part 141 same widths) of the left and right directions of slide unit 140 is formed as protuberance, this protuberance 146 The wall thickness of fore-and-aft direction is gradually reduced with trending towards top.In this embodiment, protuberance 146 is also a part for lock portion 142.
In the embodiment of this specification, so-called protuberance is to describe the part being inserted in recess, is not limited to from plane The structure that upper only a part projects.
Then, in order to pull-tab device (not shown) being arranged on the slider body being assembled with slide unit 140 and helical spring 105 On 120, the installation axle portion of pull-tab device is formed at the end face of free end 133 side of pull-tab device keeping body 130 from rear side insertion Interspersed gap 112 between 133a and upper flange 121, and so that this installation axle portion is abutted with the lock portion 142 of slide unit 140.
And, this installation axle portion is forwards pressed into, thus, via the inclination being formed on lock portion 142 and protuberance 146 Face 143, makes the elastic force pressure that slide unit 140 resists helical spring 105 slide downwards.Its result is, by slide unit 140 Lock portion 142 and interspersed gap 112 opening that is blocked, so, make the installation of pull-tab device via the interspersed gap 112 of this opening Axle portion moves in receiving space 111, thereby, it is possible to be arranged on pull-tab device in pull-tab device keeping body 130.
According to the pull head 110 of such the present embodiment 2, by making slide unit 140 with respect to slider body 120 vertically Sliding in direction, can stably carry out installation and the dismounting of pull-tab device.And, it is formed at slide unit 140 and pull-tab device keeping body Gap 113 between 130 free end 133 is due to bending to zigzag along the vertical direction, thus it is possible to prevent relatively thin cloth The foreign matters such as material enter into this gap 113 such that it is able to obtain the effect same with the pull head 110 of previous embodiment 1.
Embodiment 3
Figure 11 is the exploded perspective view of the pull head of the present embodiment 3, and Figure 12 is to represent in this pull head, is formed at pull-tab device and keeps Relation between the protuberance of free end side of body and the recess being formed in the lock portion of slide unit and auxiliary locking portion Sectional view.In addition, Figure 13～Figure 15 is the explanatory diagram that operation when pull-tab device is arranged on slider body is described.
Additionally, in the pull head of the present embodiment 3, except being formed at the form of the protuberance of the free end side of pull-tab device keeping body Beyond the form of slide unit, substantially alike constitute with the pull head in previous embodiment 1.Therefore, drawing in the present embodiment 3 In head and variation described later, for the part with the part of explanation in previous embodiment 1 or position with same structure, make It is indicated with identical reference, and thus the description thereof will be omitted.
The pull head 50 of the present embodiment 3 has: slider body 20；Kept with the cantilever-shaped pull-tab device being fixed on slider body 20 Body 60；The slide unit 70 on slider body 20 can be slideably arranged at along the longitudinal direction；By slide unit 70 rearward bullet The helical spring 5 of pressure；It is maintained at the pull-tab device 6 in pull-tab device keeping body 60.
On the end face 63a of free end 63 side of the pull-tab device keeping body 60 of the present embodiment 3, along the slip of slide unit 70 Direction is formed with the protuberance 64 that the transversal side that faces down to fore-and-aft direction is in roughly triangular shape, in the bottom of this protuberance 64 and Between the upper surface of upper flange 21, it is formed with the interspersed gap 12 that installation axle portion 6b of pull-tab device 6 can be made to run through insertion.
The slide unit 70 of the present embodiment 3 has: the master sliding along the sliding guidance groove 26 being formed on upper flange 21 Body 71；In the projecting lock portion of the central portion of the fore-and-aft direction of this main part 71 72；Dash forward in the rearward end of main part 71 Go out the auxiliary locking portion 77 of setting；Be formed as the guiding projecting strip part 73 of raised line in lower surface (back side) side of main part 71；Configuration Guide part 74 in the left and right side edge part of main part 71.In addition, the lock portion 72 of slide unit 70 and auxiliary locking portion 77 it Between, it is formed with the collecting groove portion 78 of installation axle portion 6b that can house pull-tab device 6.
In this slide unit 70, on lock portion 72 opposite face relative with pull-tab device keeping body 60 (upper surface) 72a, In the way of can inserting for the protuberance 64 being formed in pull-tab device keeping body 60, it has been correspondingly formed recess with the position of protuberance 64 75.Should in the case of, end face 63a in free end 63 side of pull-tab device keeping body 60 and be formed at the protuberance 64 on this end face 63a And the upper surface 72a of the lock portion 72 in slide unit 70 and be formed at this upper surface 72a recess 75 between, in left and right directions In the range of be formed with the gap 13 bending along the vertical direction.
In addition, be also formed with the upper surface 77a in auxiliary locking portion 77 and the recess 75 that is formed in lock portion 72 with The recess 77b of sample, when slide unit 70 forwards slides, prevents auxiliary locking portion 77 and the free end of pull-tab device keeping body 60 63 contacts.And, this auxiliary locking portion 77 is formed as follows: is installed on the upper flange of slider body 20 in slide unit 70 When on 21, auxiliary locking portion 77 is lower from the projecting height of upper flange 21 than lock portion 72 from the projecting height of upper flange 21.
Additionally, in the case that slide unit 70 is located at the position of the sliding end suppressing direction, auxiliary locking portion 77 compares Pull-tab device keeping body 60 is located behind, and becomes not facing with the end face 63a of free end 63 state.In addition, auxiliary locking portion 77, when aftermentioned slide unit as shown in Figure 14 70 is pressed into front, become facing with the end face 63a of free end 63 (positioned at the lower section of the end face 63a of free end 63) state.
In the case of the pull head 50 assembling such the present embodiment 3, first, in pull head in the same manner as previous embodiment 1 Main body 20 over-assemble slide unit 70 and helical spring 5.Then, in order to install pull-tab device 6 in pull-tab device keeping body 60, by pull-tab device 6 Installation axle portion 6b insert and be housed in the collecting groove portion 78 of slide unit 70 (with reference to Figure 13).Now, due to auxiliary locking Portion 77 is set to the projecting height from upper flange 21 less than lock portion 72 from the projecting height of upper flange 21, thus it is possible to make to draw Climb 6 installation axle portion 6b easily to guide in the case of not interferenceing with auxiliary locking portion 77 and be housed in slide unit 70 House in groove portion 78.
And, so that installation axle portion 6b of the pull-tab device 6 being housed in collecting groove portion 78 is forwards moved, thus, by this peace The lock portion 72 of slide unit 70 is forwards pressed into by dress axle portion 6b.Thus, as shown in figure 14, because slide unit 70 resists spiral shell The elastic force pressure of rotation spring 5 advances, so, by interspersed gap 12 opening of lock portion 72 locking of slide unit 70, can be via The interspersed gap 12 of this opening makes installation axle portion 6b of pull-tab device 6 move in receiving space 11.Now, due to the installation of pull-tab device 6 Axle portion 6b in the collecting groove portion 78 be accommodated in slide unit 70 in the state of be pressed into slide unit 70 while moving, institute Can reliably push the lock portion 72 of slide unit 70 by installation axle portion 6b of pull-tab device 6, while making this installation axle Portion 6b stably moves into receiving space 11.
And, after installation axle portion 6b of pull-tab device 6 moves in receiving space 11, this installation axle portion 6b is lifted upward Afterwards, slide unit 70 is suppressed and moved to the sliding end suppressing direction side by helical spring 5, thus by pull-tab device keeping body 60 from By interspersed gap 12 locking between end 63 and upper flange 21.Thus, as shown in Figure 15 and Figure 16, pull-tab device 6 quilt can be obtained It is maintained at the pull head 50 of the present embodiment 3 in pull-tab device keeping body 60.
Additionally, in the case that the pull-tab device 6 in the pull-tab device keeping body 60 wanting to will remain in pull head 50 is pulled down, using finger Forwards push Deng by slide unit 70, thus, so that the elastic force pressure that slide unit 70 resists helical spring 5 is advanced.And, front House installation axle portion 6b of pull-tab device 6 in the collecting groove portion 78 of the slide unit 70 having entered, and so that slide unit 70 is retreated.Thus, Via the interspersed gap 12 between the free end 63 of pull-tab device keeping body 60 and upper flange 21, the installation axle portion of pull-tab device 6 can be made 6b is pulled easily out from receiving space 11, and pulls down pull-tab device 6.
In the pull head 50 of such the present embodiment 3, due to the protuberance 64 that is located in pull-tab device keeping body 60 be located at sliding part Recess 75 on part 70 is formed along the glide direction of slide unit 70, so, pull-tab device keeping body 60 and slide unit 70 it Between, gap 13 is formed along the vertical direction deviously.Therefore, in the same manner as previous embodiment 1, it is prevented from relatively thin cloth etc. different Thing enters in the gap 13 between pull-tab device keeping body 60 and slide unit 70.
And, in the pull head 50 of the present embodiment 3, because the rearward end in slide unit 70 is formed with auxiliary locking portion 77, so, such as shown in Figure 17, in thicker cloth 17 from the rear of the slide unit 70 being suppressed by helical spring 5 close to simultaneously In the case of collision, the auxiliary locking portion 77 of slide unit 70 becomes obstruction, protects thereby, it is possible to prevent cloth 17 from entering into pull-tab device Hold between the free end 63 of body 60 and slide unit 70.
In addition, for example shown in Figure 18, even if in thicker cloth 17 after the slide unit 70 being suppressed by helical spring 5 Side close to and in the case that slide unit 70 is forwards pressed into by this cloth 17, slide unit 70 to suppress side in opposite direction Sliding end mobile when, the auxiliary locking portion 77 of slide unit 70 can be by the free end 63 of pull-tab device keeping body 60 and upper flange Interspersed gap 12 locking between 21.Therefore, it is possible to prevent thicker cloth 17 from being nipped the free end of pull-tab device keeping body 60 Between 63 and slide unit 70, or between the free end 63 of pull-tab device keeping body 60 and upper flange 21.
Additionally, in the pull head 50 of above-described embodiment 3, setting in the end face 63a of free end 63 side of pull-tab device keeping body 60 There is protuberance 64, and, the upper surface of lock portion 72 in slide unit 70 and the upper surface in auxiliary locking portion 77 are provided with recess 75 And 77b.But, in the present invention, if in order to prevent foreign matter from being nipped between the free end of pull-tab device keeping body and upper flange In the case that auxiliary locking portion is provided with slide unit, can also using following pull head it may be assumed that for example shown in Figure 19 and Figure 20, End face in the free end side of pull-tab device keeping body had both been not provided with protuberance and had been not provided with recess, in the lock portion upper table of slide unit Face and auxiliary locking portion upper surface be both not provided with recess and be not provided with protuberance.
Further illustrate, the pull head 51 shown in Figure 19 and Figure 20 has: slider body 20；It is fixed on pull head with cantilever-shaped Pull-tab device keeping body 60 in main body 20；The slide unit 80 on slider body 20 can be slideably arranged at along the longitudinal direction；Will The helical spring 5 that slide unit 80 rearward suppresses；It is maintained at the pull-tab device 6 in pull-tab device keeping body 60.
In this pull head 51, the end face 63a of free end 63 side in pull-tab device keeping body 60 does not form aforementioned reality Apply the protuberance 64 in example 3, this end face 63a is formed as the tabular surface almost parallel with respect to the upper surface of upper flange 21.At this certainly By between the flat end face 63a of end 63 side and the upper surface of upper flange 21, it is formed with installation axle portion 6b that can make pull-tab device 6 Run through the interspersed gap 12 of insertion.
Slide unit 80 in this pull head 51 has: the master sliding along the sliding guidance groove 26 being formed on upper flange 21 Body 71；In the projecting lock portion of the central portion of the fore-and-aft direction of this main part 71 82；Dash forward in the rearward end of main part 71 Go out the auxiliary locking portion 87 of setting；Be formed as the guiding projecting strip part 73 of raised line in lower surface (back side) side of main part 71；Configuration Guide part 74 in the left and right side edge part of main part 71.In addition, the lock portion 72 of slide unit 70 and auxiliary locking portion 77 it Between, it is formed with the collecting groove portion 78 of installation axle portion 6b that can house pull-tab device 6.
In addition, not forming aforementioned enforcement on the upper surface 82a of lock portion 82 and the upper surface 87a in auxiliary locking portion 87 Recess 75 in example 3 and recess 77b, these upper surfaces 82a, 87a are formed as and free end 63 side in pull-tab device keeping body 60 The parallel tabular surface of end face 63a.Additionally, auxiliary locking portion 87 is closed from the projecting height ratio of upper flange 21 with auxiliary locking portion 87 Lock section 82 is formed from the low mode of the projecting height of upper flange 21.
In the pull head 51 having a structure in which, slide unit 80 can be contained in installation axle portion 6b by pull-tab device 6 Collecting groove portion 78 in the state of so that this slide unit 80 is slided, thus it is possible to stably carrying out the installation of pull-tab device 6 and tearing open Remove.Even if in addition, thicker cloth from the rear of the slide unit 80 being suppressed by helical spring 5 close to and collide and this cloth In the case that slide unit 80 is made it slide with being forwards pressed into by material, the auxiliary locking portion 87 of slide unit 80 also can will draw Climb interspersed gap 12 locking between the free end 63 of keeping body 60 and upper flange 21.Thicker therefore, it is possible to be effectively prevented Cloth nipped between the free end 63 of pull-tab device keeping body 60 and slide unit 80, or the free end of pull-tab device keeping body 60 Between portion 63 and upper flange 21.
Embodiment 4
Figure 21 is the sectional view of the pull head 210 of the present embodiment 4.
In above-described embodiment 1～embodiment 3, to the pull head (not having based on the auto-stop mechanism stopping corpus unguis As be referred to as free pull head) be illustrated, but in the present embodiment 4, to have stopping corpus unguis 250 with auto-stop mechanism Pull head 210 illustrates.
The pull head 210 of the present embodiment 4 includes: has the slider body 220 of upper lower wing plate 221；Drawn with cantilever-shaped being fixed on Pull-tab device keeping body 230 in head main body 220；Can be slideably arranged at along the longitudinal direction on the upper flange 221 of slider body 220 Slide unit 240；The helical spring (not shown) as elastomeric element that slide unit 240 is rearward suppressed；Being capable of edge Above-below direction swingingly configures the stopping corpus unguis 250 on upper flange 221；So that the aftermentioned claw 254 stopping corpus unguis 250 projects Mode in the chain tooth path of navigation of slider body 220 suppresses the leaf spring 260 stopping corpus unguis 250；Have and axle portion 6b is installed Pull-tab device 6.
The slider body 220 of the present embodiment 4 has: upper lower wing plate 221；Will be connected to each other for the leading section of upper lower wing plate The guide post 223 getting up；The flange 224 being extended from the left and right lateral margin of upper flange 221 and lower wing plate；Erect and be located at upper flange The corpus unguis support 228 of 221 leading section upper surface side, the chain tooth guiding being formed with y shape between upper lower wing plate 221 is logical Road.
On the corpus unguis support 228 of this slider body 220, stop corpus unguis 250 by up and down being capable of swingingly pivot suspension. In addition, this slider body 220 is provided with for making consolidating of pull-tab device keeping body 230 in the forward side depression than corpus unguis support 228 The setting-in groove portion 229 of fixed end portion 231 setting-in.And, slider body 220 is formed with and runs through from the upper surface of upper flange 221 The pawl hole 227 of chain tooth path of navigation.
And, in addition, in the upper surface side of upper flange 221, being provided with confession from the rear end of upper flange 221 towards front depression The sliding guidance groove 226 that slide unit 240 can slidably be embedded in.It is formed with confession in the left and right sidewall of this sliding guidance groove 226 The guide part embedding slot (not shown) of the guide part setting-in (not shown) of slide unit 240, in addition, in sliding guidance groove 226 Bottom is formed with the spring accepting groove (not shown) housing and keeping helical spring.And, erect in the rearward end of upper flange 221 Be provided with the locking piece of left and right (not shown), this locking piece by caulking in a direction close to each other, thus, as slide unit 240 Stop part play a role.
With regard to the pull-tab device keeping body 230 of the present embodiment 4, due to making the anchor portion 231 of this pull-tab device keeping body 230 from front It is inlaid in the setting-in groove portion 229 being formed on slider body 220, and, the part of slider body 220 is carried out caulking, by This, with the cantilever-shaped leading section being fixed on slider body 220.
This pull-tab device keeping body 230 has: the anchor portion 231 erecting from the leading section of upper flange 221；From this anchor portion 231 bendings the extended portion 232 rearward extending；From this extended portion 232 to the free end of upper flange 221 lateral bend Portion 233.It is formed with the lower ora terminalis of this pull-tab device keeping body 230: make the backoff portion 236 that installation axle portion 6b of pull-tab device 6 is kept out of the way；With Form the resettlement section 237 of the receiving space 11 of installation axle portion 6b of pull-tab device 6 between the upper surface of upper flange 221.
In addition, the end face 233a of free end 233 side in pull-tab device keeping body 230, along the slip side of slide unit 240 To being formed with the protuberance in substantially rectangular shape of the cross section to fore-and-aft direction 234.In the case of being somebody's turn to do, convex in pull-tab device keeping body 230 It is formed between the lower surface 233a in portion 234 and the upper surface of upper flange 221 and installation axle portion 6b of pull-tab device 6 can be made to run through insertion Interspersed gap.And, on the inwall of the extended portion 232 of pull-tab device keeping body 230, for clamp and keep leaf spring 260 Leaf spring maintaining part 238 be respectively provided at the front and rear of extended portion 232.
Slide unit 240 in the present embodiment 4 has: with upper flange 221 upper surface side slide when not with pawl hole 227 The mode interfered is formed as overlooking the main part 241 of substantially u word shape；Projecting lock portion 242 on main part 241； Than lock portion 242, side projects and is arranged on main part 241, prevents installation axle portion 6b of pull-tab device 6 from receiving space 11 on the front The front lock portion 247 of abjection；Configuration in the left and right side edge part of main part 241 and is inlaid in the guide part of sliding guidance groove 226 Guide part (not shown) in embedding slot, is formed between lock portion 242 and front lock portion 247 and can house pull-tab device 6 The collecting groove portion 248 of axle portion 6b is installed.
In this slide unit 240, in lock portion 242 opposite face relative with pull-tab device keeping body 230 (upper surface), By can for be formed in pull-tab device keeping body 230 protuberance 234 insertion in the way of, with the position of protuberance 234 be accordingly provided with recessed Portion 245.Should in the case of, end face 233a in free end 233 side of pull-tab device keeping body 230 and being formed on this end face 233a The upper surface of lock portion 242 in protuberance 234 and slide unit 240 and be formed at this upper surface recess 245 between, in left and right It is provided with direction scope and bend saw-toothed gap along the vertical direction.
Stopping corpus unguis 250 in the present embodiment 4 has: is journaled into the corpus unguis on the corpus unguis support 228 of slider body 220 Base end part 251；It is branched off into two strands of upper arm parts 252 and lower arm part 253 from corpus unguis base end part 251；Before being formed at lower arm part 253 End, the pawl hole 227 via slider body 220 and the claw 254 prominent to chain tooth path of navigation.
This stopping corpus unguis 250 will be moved into the pull-tab device 6 of receiving space 11 installation axle portion 6b be maintained at lower arm part 252, Between 253, when operating pull-tab device 6, by lifting installation axle portion 6b of pull-tab device 6 upward, the pawl of stopping corpus unguis 250 can be made Portion 254 keeps out of the way from the chain tooth path of navigation of slider body 220.
Below, the order of the pull head 210 of assembling the present embodiment 4 is illustrated.
First, carry out the operation in slider body 220 over-assemble slide unit 240 and helical spring (not shown).Specifically For, helical spring is inserted in the spring accepting groove (not shown) on the upper flange 221 being formed at slider body 220, connects Get off, so that the front end face 233a of slide unit 240 is abutted with the rear end of helical spring, compressing this helical spring will slide Dynamic component 240 is inserted into sliding guidance groove 226.
Additionally, when inserting slide unit 240 in sliding guidance groove 226, making the guiding (not shown) of slide unit 240 Portion is inlaid in the guide part embedding slot (not shown) of upper flange 221.And, slide unit 240 is being inserted into sliding guidance After in groove 226, the locking piece (not shown) erecting the rearward end being located at upper flange 221 is buckled in a direction close to each other and dug Close, thus, slide unit 240 is arranged on upper flange 221 in the state of being suppressed by helical spring in the way of can sliding.
Next, the slider body 220 assembling slide unit 240 and helical spring is assembled stopping corpus unguis 250, pull-tab device Keeping body 230 and leaf spring 260.Specifically, stopping corpus unguis 250 is inserted from above into the corpus unguis support of slider body 220 On 228, thus, this stopping corpus unguis 250 of pivot suspension in the way of can swinging up and down.On the other hand, to be formed at pull-tab device protect Hold leaf spring maintaining part 238 clamp on the inwall of body 230 and keep leaf spring 260.
And, make the anchor portion 231 maintaining the pull-tab device keeping body 230 of leaf spring 260 embedding from the front end of slider body 220 Enter to be embedded in groove portion 229, then, using stamping machine etc. from upper surface side by a part of conquassation of upper flange 221, and pull-tab device is kept Body 230 is caulking to be fixed on upper flange 221.Thus, pull-tab device keeping body 230 is assembled on slider body 220.Now, due to Slide unit 240 is suppressed by helical spring and is located at the sliding end suppressing direction side, so, it is formed at pull-tab device keeping body 230 Interspersed gap between free end 233 and upper flange 221 becomes by the state of lock portion 242 locking of slide unit 240.
As described above in slider body 220 over-assemble after stopping corpus unguis 250, pull-tab device keeping body 230 and leaf spring 260, Carry out the operation of pull-tab device 6 is installed on pull-tab device keeping body 230.Specifically, installation axle portion 6b of pull-tab device 6 is inserted from rear side To the interspersed gap being formed between the free end 233 of pull-tab device keeping body 230 and upper flange 221, by this installation axle portion 6b So that the elastic force pressure of the lock portion 242 opposing helical spring of slide unit 240 is forwards pressed into, make the installation axle portion of pull-tab device 6 simultaneously 6b moves into the backoff portion 236 of pull-tab device keeping body 230.
Next, inserting pull-tab device in moving to the collecting groove portion 248 of slide unit 240 of the sliding end suppressing direction side 6 installation axle portion 6b, resists helical spring by the front lock portion 247 that this installation axle portion 6b makes slide unit 240 further Elastic force pressure be forwards pressed into.Thus, installation axle portion 6b making pull-tab device 6 moves to receiving space 11.Now, move to resettlement section Installation axle portion 6b of 237 pull-tab device 6 is directed and is maintained between the upper lower arm part 252,253 stopping corpus unguis 250.
And, when installation axle portion 6b making pull-tab device 6 moves in resettlement section 237, due to right based on installation axle portion 6b The pushing of slide unit 240 releases, so, slide unit 240 is suppressed and moved to the sliding end suppressing direction side by helical spring Dynamic, the interspersed gap between the free end 233 of pull-tab device keeping body 230 and upper flange 221 is by the lock portion of slide unit 240 242 lockings.It is maintained at the pull head 210 of the present embodiment 4 in pull-tab device keeping body 230 thereby, it is possible to obtain pull-tab device 6.
The pull head 210 of above the present embodiment 4, with previous embodiment 1 grade similarly, since can make slide unit 240 not with The free end 233 of pull-tab device keeping body 230 contiguously swimmingly slides, thus it is possible to stably carry out pull-tab device 6 installation and Remove.Further, since the protuberance 234 being located in pull-tab device keeping body 230 and the recess 245 being located on slide unit 240, it is formed at Gap between pull-tab device keeping body 230 and slide unit 240 bends along the vertical direction, thus it is possible to prevent relatively thin cloth etc. Foreign matter enters into this gap.
Additionally, the pull head of such as slider body 220 and slide unit 240 in the pull head 210 of the present embodiment 4, can be made The size of length direction increases, and, it is capable of the rear of lock portion 242 in slide unit 240, setting such as previous embodiment The low auxiliary locking portion of such illustrated by 3, projecting aspect ratio lock portion 242.
Additionally, in above-described embodiment 1～4 and variation, pull head has pull-tab device keeping body on upper flange, but except this with Pull-tab device keeping body can also be had outward on lower wing plate.
The explanation of reference
5 helical springs
6 pull-tab device
6a pull-tab device main part
6b installs axle portion
10 pull heads
11 receiving spaces
12 interspersed gaps
13 gaps
14 gaps
17 clothes
20 slider body
21 upper flanges
21a layers of difference portion
22 lower wing plates
23 guide posts
24 flanges
25 chain tooth path of navigation
26 sliding guidance grooves
26a guide part embedding slot
26b spring accepting groove
27 locking pieces
30 pull-tab device keeping bodies
31 anchor portion
32 extended portions
33 free ends
33a end face
34 protuberances
34a, 34b protuberance
35 recesses
40 slide units
41 main parts
42 lock portion
42a opposite face (upper surface)
43 guiding projecting strip parts
44 guide parts
45 recesses
45a, 45b recess
46 protuberances
50th, 51 pull head
60 pull-tab device keeping bodies
63 free ends
63a end face
64 protuberances
70 slide units
71 main parts
72 lock portion
72a opposite face (upper surface)
73 guiding projecting strip parts
74 guide parts
75 recesses
77 auxiliary locking portions
77a upper surface
77b recess
78 collecting groove portions
80 slide units
82 lock portion
82a upper surface
87 auxiliary locking portions
87a upper surface

Claims (2)

1. a kind of slider for slide fastener (50), comprising: slider body (20), has upper lower wing plate (21,22)；Pull-tab device keeping body (60), with cantilever-shaped be fixed on that described upper flange (21) is upper and anchor portion (31) erect from described upper flange (21), free end Portion (63) laterally described upper flange (21) bending；Slide unit (70,80), with to the institute being formed at described pull-tab device keeping body (60) State the mode that the gap (12) between free end (63) and described upper flange (21) is opened and closed and can be slideably arranged at institute State on slider body (20)；Elastomeric element (5), by the locking direction bullet of described slide unit (70,80) to described gap (12) Pressure；Pull-tab device (6), is maintained on described pull-tab device keeping body (60), and described slide unit (70,80) has: main part (71), can It is slidably mounted on described slider body (20)；Lock portion (72,82), erects and is located at described main part (71) above and in institute State main part (71) move to described elastomeric element (5) suppress direction side sliding end when by described gap (12) locking, institute State slider for slide fastener (50) to be configured to, can be by described pull-tab device (6) with respect to described pull-tab device keeping body via described gap (12) (60) assembled and disassembled it is characterised in that
Described slide unit (70,80) has:
Auxiliary locking portion (77,87), erect be located at compared with the described lock portion of described main part (71) (72,82) by suppressing Direction side；
House groove portion (78), configure between described lock portion (72,82) and described auxiliary locking portion (77,87), can house The installation axle portion (6b) of described pull-tab device (6),
Described auxiliary locking portion (77,87), is located at the position of the described sliding end suppressing direction side in described slide unit (70,80) In the case of putting place, it is located behind than described pull-tab device keeping body (60), become the end face (63a) not with described free end (63) Facing state, when described slide unit (70,80) is pressed into front, becomes the end face with described free end (63) (63a) facing state.
2. slider for slide fastener as claimed in claim 1 it is characterised in that
Described auxiliary locking portion (77) is set to less than described lock portion (72) from institute from the projecting height of described upper flange (21) State the projecting height of upper flange (21).
CN201410639801.2A 2009-11-17 2009-11-17 Zipper head of zipper Active CN104323542B (en)

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CN200980161611.1A CN102548447B (en) 2009-11-17 2009-11-17 Slider for slide fastener
CN201410639801.2A CN104323542B (en) 2009-11-17 2009-11-17 Zipper head of zipper

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KR102023290B1 (en) * 2015-02-25 2019-09-19 와이케이케이 가부시끼가이샤 Slider for slide fastener
JP6628591B2 (en) * 2015-12-15 2020-01-08 Ykk株式会社 Slide fastener slider
ITUB20161222A1 (en) * 2016-03-01 2017-09-01 Ykk Europe Ltd Slider for a zipper.
CN108477766B (en) * 2018-05-11 2020-12-08 江苏汇源拉链制造有限公司 Dead zip fastener of anti-sticking based on sawtooth

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Publication number Priority date Publication date Assignee Title
US4823447A (en) * 1987-08-12 1989-04-25 Yoshida Kogyo K.K. Pull tab attachment for slide fastener slider
US4829638A (en) * 1986-12-19 1989-05-16 Yoshida Kogyo K. K. Automatically locking slider
US5551129A (en) * 1995-12-07 1996-09-03 Chu; Tino Slider of a zipper
CN1198311A (en) * 1997-05-02 1998-11-11 Ykk株式会社 Slide head for slide fastener

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829638A (en) * 1986-12-19 1989-05-16 Yoshida Kogyo K. K. Automatically locking slider
US4823447A (en) * 1987-08-12 1989-04-25 Yoshida Kogyo K.K. Pull tab attachment for slide fastener slider
US5551129A (en) * 1995-12-07 1996-09-03 Chu; Tino Slider of a zipper
CN1198311A (en) * 1997-05-02 1998-11-11 Ykk株式会社 Slide head for slide fastener

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