The self-locking Tap pull of invisual zipper
Technical field
The present invention relates to a kind of Tap pull of invisual zipper, particularly a kind of self-locking Tap pull of invisual zipper.
Background technology
At present, exist multiple Tap pull of invisual zipper.The chain tooth concentrated on a side of chain belt when these Tap pull of invisual zipper made slide fastener closed, and the opposite side of chain belt does not have the chain tooth, thereby the chain tooth of slide fastener is stashed.Tap pull of invisual zipper is a kind of comparatively special product, and the space that its uniqueness has determined it to be used to install horse hook and spring is less, realizes that simultaneously the difficulty of automation assembling is bigger.For example, the Chinese invention patent that on February 4th, 1998, disclosed application number was 97114771.X has promptly disclosed a kind of self-locking slide fastener of Tap pull of invisual zipper.The upper plate of this slider body is provided with spill rotation projection receiving slit, and this receiving slit extends in the fastener lead always.One locking hook patchhole is arranged at this fastener lead next door, and a joint pin stands on this fastener lead.Front and back ends is arranged on this upper plate with the locking rod of a rotation projection and a locking hook respectively, and the round end of this rotation projection places in the groove loosely, and its locking hook inserts in the locking hook patchhole.One spring is inclusive in a spring accommodation section that is positioned at joint pin top, and with locking rod top Elastic Contact.This joint pin also has one to be used to limit the slip feather that the rotation projection moves upward.
Yet, when the locking rod of this self-locking slide fastener is shaken hands to spur release, the rotation projection of this locking rod need move a certain distance in this receiving slit and could mesh with this slip feather, this has just increased the operator and has lifted the distance of the required operation of locking hook by handle, thereby has reduced the simplicity of operation.In addition, when this self-locking slide fastener assembling, needs are arranged on the rotation projection of this locking rod in this receiving slit earlier, and by this slip feather of mould stamping-out moulding, the required precision of assembling is higher again, is unfavorable for realizing the automation assembling.
Summary of the invention
The purpose of this invention is to provide a kind of self-locking Tap pull of invisual zipper of assembling with automation of being convenient to operate.
A kind of self-locking Tap pull of invisual zipper, comprise slide body, the horse hook, flexible member and cover plate, this slide body comprises lower plate, guide pillar, upper plate and joint pin, this upper plate is provided with perforation, this joint pin is provided with accepting groove, this horse hook comprises pivot part and hook portion, the pivot part of this horse hook is arranged in the accepting groove of this joint pin, the hook portion of this horse hook is inserted in the perforation of this upper plate, this cover plate is fixed on this joint pin, also comprise rolled-up stock, this rolled-up stock is arranged in the accepting groove of this joint pin, and an end of this rolled-up stock is provided with pressing part, and this pressing part is located on the pivot part of this horse hook, the other end of this rolled-up stock and this cover plate butt, this flexible member are arranged in the accepting groove of this joint pin and are used for this horse hook is applied elastic force.
Described guide pillar is provided with groove, and this groove is communicated with the accepting groove of this joint pin, and the pivot part of this horse hook is arranged in the groove of this guide pillar.
Described rolled-up stock is by two connecting portions and the U-shaped metalwork that pressing part is formed.
Be provided with two grooves that are relatively fixed in the described joint pin, described holddown groove all is communicated with the accepting groove of this joint pin, and two connecting portions of this rolled-up stock are housed in respectively in this two holddown groove.
The end face of described horse hook pivot part is provided with the arc pivot connected slot to pressing part that should rolled-up stock, and the bottom surface of this horse hook pivot part is an arc structure.
The end face of the described joint pin two opposite sides parallel with this horse hook upwards protrude out respectively and are provided with flanging, and during assembling, this two flanging is stamped bending with this cover plate of clamping.
The end face of described joint pin upwards protrudes out respectively in the two opposite sides of this accepting groove and is provided with locating piece, and the corresponding described locating piece of this cover plate is respectively equipped with breach.
Described flexible member is a shell fragment, and this flexible member and this cover plate are one-body molded.
The front side wall top of described joint pin is provided with two relative briquettings, and this flexible member is a shell fragment, and during assembling, the described briquetting after an end of this flexible member is stamped grips.
Also comprise handle in the described Tap pull of invisual zipper, this handle is set on this horse hook.
Compared with prior art, self-locking Tap pull of invisual zipper of the present invention can effectively be suppressed the location with the pivot part of this horse hook by this rolled-up stock is set in this joint pin.When this horse hook of operation, this horse hook will be around the pressing part rotation of this rolled-up stock, and this just makes that the stroke of its horse hook motion was shorter when this Tap pull of invisual zipper was removed self-locking state, is convenient to user's operation.And because this rolled-up stock is effectively fixing by this joint pin and this cover plate, it is firm that this slide body also has structure, the advantage that service life is long.In addition, this Tap pull of invisual zipper only needs once to press in assembling process, has the advantage of being convenient to the automation assembling.And this rolled-up stock can be slidingly matched by the holddown groove of two connecting portions and this joint pin, is convenient to very much the automation assembling.
Description of drawings
The present invention is further illustrated below in conjunction with drawings and the specific embodiments:
Fig. 1 is the three-dimensional exploded view of self-locking Tap pull of invisual zipper first embodiment of the present invention.
Fig. 2 is the three-dimensional assembly diagram of self-locking Tap pull of invisual zipper shown in Figure 1.
Fig. 3 is the cutaway view along A-A line among Fig. 2.
The schematic diagram of Fig. 4 when to be self-locking Tap pull of invisual zipper shown in Figure 1 with handle lift the horse hook.
Fig. 5 is the three-dimensional exploded view of self-locking Tap pull of invisual zipper second embodiment of the present invention.
Fig. 6 is the three-dimensional assembly diagram of self-locking Tap pull of invisual zipper shown in Figure 5.
Fig. 7 is the cutaway view along B-B line among Fig. 6.
The schematic diagram of Fig. 8 when to be self-locking Tap pull of invisual zipper shown in Figure 5 with handle lift the horse hook.
The explanation of Reference numeral:
100,100a Tap pull of invisual zipper 20 rolled-up stocks
10 slide bodies, 22 connecting portions
12 lower plates, 24 pressing parts
122 side wings, 30 horse hooks
14 guide pillars, 32 pivot parts
142 grooves, 322 pivot connected slots
16 upper plates, 34 hook portions
162 perforation 40,40a shell fragment
18 joint pins 50,50a cover plate
181 flangings, 52 breach
182 accepting grooves, 60 handles
183 locating pieces 62 draw tail
184 holddown grooves, 64 middlewares
185 briquettings
The specific embodiment
Figure 1 shows that the three-dimensional exploded view of self-locking Tap pull of invisual zipper first embodiment of the present invention.This Tap pull of invisual zipper 100 comprises a slide body 10, a rolled-up stock 20, a horse hook 30, a shell fragment 40, a cover plate 50 and a handle 60.The side-looking that this shell fragment 40 and this cover plate 50 are formed in one is the metal sheet of U-shaped.This rolled-up stock 20 is the U-shaped metalwork, comprises two connecting portions 22 and a pressing part 24.This pressing part 24 is for cylindrical-shaped structure and connect this two connecting portion 22.This horse hook 30 is a hook formation, comprises pivot part 32 and hook portion 34.The end face of these horse hook 30 pivot parts 32 is provided with an arc pivot connected slot 322 to pressing part 24 that should rolled-up stock 20, and the bottom surface of these horse hook 30 pivot parts 32 is an arc-shaped structure.This rolled-up stock 20, horse hook 30, shell fragment 40 and cover plate 50 are assembled in (shown in Fig. 2 and 3) on this slide body 10 successively.This handle 60 comprises and draws tail 62 and middleware 64 that the middleware 64 of this handle 60 is set on the hook portion 34 of this horse hook 30.
Please refer to Fig. 1 and Fig. 3, this slide body 10 is made by zinc alloy diecasting.This slide body 10 comprises a lower plate 12, a guide pillar 14 and a upper plate 16, connects by this guide pillar 14 between this lower plate 12 and the upper plate 16.The two opposite sides of this lower plate 12 upwards protrude out respectively and are provided with a side wing 122.This wing plates on two sides 122 is symmetrical structure (as shown in Figure 1).This lower plate 12, guide pillar 14 and this upper plate 16 are combined to form a roughly Y-shaped slideway and supply two sprockets (figure does not show) of a slide fastener to pass through.This upper plate 16 upwards protrudes out in the top of this guide pillar 14 one and is provided with a joint pin 18, and this joint pin 18 roughly is rectangular block structure.This upper plate 16 runs through in its rear end and is provided with a perforation 162, and the hook portion 34 that this 162 pairs of perforation should horse hook 30 is provided with.
This joint pin 18 is provided with an accepting groove 182, this accepting groove 182 runs through the end face and the rear wall (as Fig. 1 and shown in Figure 3) of this joint pin 18 respectively, this accepting groove 182 is used to accommodate pivot part 32, rolled-up stock 20 and the shell fragment 40 of this horse hook 30, and this cover plate 50 is fixed on the end face of this joint pin 18 to hide the top of this accepting groove 182.Please refer to Fig. 3 and Fig. 4, this guide pillar 14 is provided with a groove 142 in the front side of its end face, and the pivot part 32 that 142 pairs of this grooves should horse hook 30 is provided with and is communicated with the accepting groove 182 of this joint pin 18.During assembling, the pivot part 32 of this horse hook 30 is housed in this groove 142.Two relative madial walls of this joint pin 18 are respectively equipped with a holddown groove 184 in the top of the groove 142 of this guide pillar 14, this two holddown groove 184 all is communicated with this accepting groove 182, two connecting portions 22 of this rolled-up stock 20 are housed in respectively in this two holddown groove 184, thereby make this rolled-up stock 20 locate in the accepting groove 182 of this joint pin 18.The end face of this joint pin 18 and this horse hook 30 parallel two opposite sides upwards protrude out respectively and are provided with a flanging 181, and during assembling, this two flanging 181 is stamped bending with this cover plate 50 of clamping.The end face of this joint pin 18 upwards protrudes out respectively in the two opposite sides of this accepting groove 182 and is provided with a positioning block 183, and these cover plate 50 corresponding described locating pieces 183 are respectively equipped with breach 52.
When assembling this Tap pull of invisual zipper 100, at first, the middleware 64 of this handle 60 is set on the hook portion 34 of this horse hook 30, makes the hook portion 34 of this horse hook 30 be arranged in the perforation 162 of this upper plate 16 again and stretch in the Y shape slideway of this slide body 10; The pivot part 32 of this horse hook 30 is housed in the groove 142 of this guide pillar 14; Then, utilize assembly mechanical that this rolled-up stock 20 is inserted in the accepting groove 182 of this joint pin 18 along this two holddown groove 184, the pressing part 24 of this rolled-up stock 20 is pressed against in the pivot connected slot 322 of these horse hook 30 pivot parts 32; This shell fragment 40 and cover plate 50 are positioned over to this joint pin 18, make contacting of this shell fragment 40 and this horse hook 30, the breach 52 of this cover plate 50 and 183 interlockings of the locating piece of this joint pin 18, this cover plate 50 contacts with two connecting portions 22 of this rolled-up stock 20; At last, utilize two flangings 181 of this joint pin 18 of pressure riveting mechanism punching press of assembly mechanical, make these two flangings, 181 distortion bendings with this cover plate 50 of clamping.
Please refer to Fig. 3 and Fig. 4, when operating this Tap pull of invisual zipper 100, utilize this handle 60 upwards to lift the hook portion 34 of this horse hook 30.Because be subjected to the compacting of this rolled-up stock 20, this horse hook 30 will turn clockwise around the pressing part 24 of this rolled-up stock 20.In rotary course, the extruding of the horse hook 30 that this shell fragment 40 is subjected to produces certain screen resilience with continuous flexural deformation.When the hook portion 34 of this horse hook 30 was shifted out in the Y shape slideway of this slide body 10, this horse hook 30 was subjected to keeping out of this cover plate 50 just, can not continue rotation.Because the hook portion 34 of this horse hook 30 is drawn out the Y shape slideway of this slide body 10, removed the self-locking state of this Tap pull of invisual zipper 100, this Tap pull of invisual zipper 100 will move by the chain tooth along slide fastener under this traction of 60 of shaking hands.When moving into place, unclamp this handle 60, this horse hook 30 will be rotated counterclockwise at the pressing part 24 of this rolled-up stock 20 of the effect lower edge of these shell fragment 40 screen resiliences.The hook portion 34 of this horse hook 30 will be bored a hole by this and 162 be inserted again in the Y shape slideway of this slide body 10, make this Tap pull of invisual zipper 100 self-lockings.
By above narration as can be known, this Tap pull of invisual zipper 100 can effectively be suppressed the location with the pivot part 32 of this horse hook 30 by holddown groove 184 and this rolled-up stock 20 are set in this joint pin 18.When this horse hook 30 of operation, because the pressing part 24 of the pivot connected slot 322 of these horse hook 30 pivot parts 32 and this rolled-up stock 20 articulates, this horse hook 30 will be around pressing part 24 rotations of this rolled-up stock 20.Compared with prior art, the stroke of horse hook 30 motions was shorter when this Tap pull of invisual zipper 100 was removed self-locking, was convenient to user's operation.And because this rolled-up stock 20 is effectively fixing by the holddown groove 184 of this joint pin 18 and this cover plate 50, it is firm that this Tap pull of invisual zipper 100 also has structure, the advantage that service life is long.In addition, this Tap pull of invisual zipper 100 only needs once to press in assembling process, has the advantage of being convenient to the automation assembling; And this rolled-up stock 20 is slidingly matched by the holddown groove 184 of two connecting portions 22 with this joint pin 18, is convenient to very much the automation assembling.
For easy to assembly, the bottom of the holddown groove 184 of this joint pin 18 can be arranged at the top of these horse hook 30 pivot parts 32, make the pressing part 24 of this rolled-up stock 20 by the bottom block of this two holddown groove 184 and not with pivot part 32 butts of this horse hook 30.This has just strengthened the stability of inserting rolled-up stock 20 operations in the automation assembling process.
Please refer to Fig. 5, it is depicted as the schematic diagram of self-locking Tap pull of invisual zipper second embodiment of the present invention.The difference of the Tap pull of invisual zipper 100 of this Tap pull of invisual zipper 100a and first embodiment is that the shell fragment 40a of this Tap pull of invisual zipper 100a and this cover plate 50a are for dividing body structure; The front side wall top of this joint pin 18 is provided with two relative briquettings 185.
Please refer to Fig. 5 to Fig. 7, during assembling, two briquettings 185 after the end of this shell fragment 40a will be stamped grip, the other end of this shell fragment 40a and this horse hook 30 butts.Please refer to Fig. 7 and Fig. 8, when operating this horse hook 30, the pivot part 32 of this horse hook 30 will be around pressing part 24 rotations of this rolled-up stock 20.Because the end of this shell fragment 40a is gripped by this two briquetting 185,, the other end of this shell fragment 40a shakes hands to make these horse hook 30 self-lockings at 60 o'clock unclamping this thereby will producing screen resilience along with the rotation of this horse hook 30.This cover plate 50a will suppress this rolled-up stock 20 on the one hand, keep out this horse hook 30 on the other hand when this horse hook 30 is rotated in place.
By above narration as can be known, this Tap pull of invisual zipper 100a is arranged by this shell fragment 40a and this cover plate 50a are divided, and the end of this shell fragment 40a is fixed on this joint pin 18 by two briquettings 185, can realize the self-locking of this Tap pull of invisual zipper 100a equally.
Understandable, this shell fragment 40a can also adopt other flexible members except that adopting metal clips, for example spring etc.As long as this flexible member one end is fixing in this joint pin 18, the other end is connected with this horse hook 30 it is applied the self-locking that elastic force can realize this Tap pull of invisual zipper 100a.Certainly, this rolled-up stock 20 also can adopt other modes to be fixed in the accepting groove 182 of this joint pin 18.For example, two connecting portions of this rolled-up stock 20 can be fixed on this cover plate 50 by the mode of riveting or weld, can play the effect of the pivot part 32 of this horse hook 30 of compacting equally.