阅读说明：本技术 一种带定位齿的活动下挡的箱包开口拉链及其安装方法 (Case opening zipper with movable lower stop of positioning teeth and installation method of case opening zipper ) 是由 王联洲 于 2019-12-19 设计创作，主要内容包括：本发明为一种带定位齿的活动下挡的箱包开口拉链及其安装方法。它包括缝制在拉杆箱的上箱壳和安装有拉杆的下箱壳口缘上的左、右链带,以及开合所述左,右链带的拉头所组成的主拉链,其特征是在左、右链带的一端或两端安装有防止拉头脱离主拉链的活动下挡,在安装活动下挡位置的链带端的芯线是用超声波将胶带与布带热贴固定在一起,在安装活动下挡位置的链带上制有一排纵向的同间距的定位孔,所述的活动下挡是一U形的卡子,在U形卡子的一脚上反向延伸有连接板,在连接板的表面上设有一排凸起的定位齿,定位齿的形状和间距与定位孔相配,定位孔的个数大于定位齿的个数,活动下挡的定位齿插在一链带的定位孔中,U形的卡子夹紧在另一链带上。(The invention relates to a case opening zipper with a movable lower stop of a positioning tooth and an installation method thereof. It comprises a main zipper consisting of a left zipper belt and a right zipper belt which are sewn on the upper box shell of the draw-bar box and the opening edge of the lower box shell provided with the draw bar, and a pull head for opening and closing the left zipper belt and the right zipper belt, it is characterized in that a movable lower stop for preventing the puller from separating from the main zipper is arranged at one end or two ends of the left and right chain belts, the core wire at the chain belt end at the position where the movable lower stop is installed is formed by fixing the adhesive tape and the cloth belt together by hot sticking by ultrasonic waves, a row of longitudinal positioning holes with the same interval are arranged on the chain belt at the position where the movable lower stop is arranged, the movable lower stop is a U-shaped clamp, a connecting plate is reversely extended on one leg of the U-shaped clamp, a row of raised positioning teeth are arranged on the surface of the connecting plate, the shapes and the intervals of the positioning teeth are matched with the positioning holes, the number of the positioning holes is larger than that of the positioning teeth, the positioning teeth of the movable lower baffle are inserted into the positioning holes of one chain belt, and the U-shaped clamp is clamped on the other chain belt.)

1. A case and bag opening zipper with a movable lower stop of positioning teeth comprises a left zipper belt and a right zipper belt which are sewn on the upper case shell of a draw-bar case and the opening edge of a lower case shell provided with a draw bar, and a main zipper consisting of sliders for opening and closing the left zipper belt and the right zipper belt, and is characterized in that the movable lower stop for preventing the sliders from being separated from the main zipper is arranged at one end or two ends of the left zipper belt and the right zipper belt, a core wire at the end of the zipper belt at the position of the movable lower stop is fixed with a cloth belt by hot sticking of the adhesive tape and the cloth belt by ultrasonic waves, a row of longitudinal positioning holes with the same interval are arranged on the zipper belt at the position of the movable lower stop, the movable lower stop is a U-shaped clamp, a connecting plate reversely extends on one foot of the U-shaped clamp, a row of raised positioning teeth are arranged on the surface of the connecting plate, the shape and the interval of the positioning, when the left and right chain belts are sewed on the upper and lower box shells, the pull heads are inserted into the left and right chain belts, the engaging positions are adjusted to four rollers at the bottom of the upper and lower box shells simultaneously touch each other or are placed on the same plane, the positioning teeth of the movable lower stopper are inserted into the positioning holes of one chain belt, the U-shaped clamp is clamped on the other chain belt, and the two end parts of the left and right chain belts are respectively fixed together.

2. A method for installing a movable lower baffle luggage opening zipper with positioning teeth on a draw-bar box is characterized in that a main zipper used is a zipper with two opposite pull heads with openings at two ends, and the method sequentially comprises the following steps:

A. and (3) making positioning marks on the box shell: before installing the zipper, a central mark A is marked at the midpoint of the hinge positions of the upper and lower case shells, and the central mark is marked towards two sides respectively by using the central mark as a symmetrical center, wherein the central mark comprises stop marks B1 and B2 of the main zipper on the draw-bar case, and positioning lines C1 and C2 at two ends of the inner and outer hinge zippers;

B. sewing the chain belt: one end of the left chain belt and the right chain belt is sewn to the other end of the seam-stopping mark on the upper box shell and the lower box shell around the opening edge of the box shell according to the seam-stopping mark B1 or B2;

C. adjusting the relative position and the threading head of the upper box shell and the lower box shell: the four rollers at the bottom of the upper box shell and the lower box shell are simultaneously grounded or placed on the same plane to be contacted simultaneously, so that the upper box shell and the lower box shell are completely closed without twisting, then a first pull head penetrates into a left zipper belt and a right zipper belt from one end of a main zipper, then the first pull head is used for pulling and closing the whole main zipper, whether the four rollers at the bottom of the upper box shell and the lower box shell are on the same plane is observed, if not, the first pull head is withdrawn, the front and back positions of the left zipper belt and the right zipper belt penetrating into the first pull head are penetrated and adjusted until the first pull head pulls and closes the whole main zipper, the four rollers at the bottom of the upper box shell and the lower box shell are on the same plane, then a second pull head penetrates into the left zipper belt and the right zipper belt from the other end of the main zipper, the first pull head and the second pull head are oppositely pulled and closed, whether the zipper teeth on the left zipper belt and the right zipper belt between the first pull head are aligned front and back, and whether the zipper teeth, if the zipper teeth on the left zipper belt and the right zipper belt are not aligned front and back, and the front and back tooth filing conditions occur on the left and right sides, the second slider is pulled back to the opening end of the main zipper, the second slider is newly penetrated until the four rollers at the bottom of the upper box shell and the lower box shell are simultaneously contacted on a plane according to the number of the front and back tooth filing conditions, the first slider and the second slider can be completely closed, namely, the zipper teeth on the left zipper belt and the right zipper belt between the first slider and the second slider are exactly aligned front and back, and the pull pieces on the first slider and the second slider can be smoothly inserted into the customs lock hole;

D. positioning and fixing of the movable lower baffle: after the upper and lower cases are correctly closed, the positioning teeth of the two movable lower stops are respectively inserted into the positioning holes at the two ends of the main zipper, and the U-shaped clamp is clamped on the other chain belt, so that the two ends of the left chain belt and the right chain belt are mutually fixed together through the two movable lower stops, and the fixed positions of the two movable lower stops are marked, so that the upper and lower cases can be correctly installed after being disassembled next time.

3. The method for installing the zipper on the draw-bar box according to claim 2, wherein the mark is made on the fixed position of the movable bottom stop by sealing the positioning hole of the zipper belt where the movable bottom stop is not installed with an adhesive tape, and only the positioning hole where the positioning teeth are inserted is left.

4. The method as claimed in claim 2, wherein an outer slide fastener and an inner slide fastener are respectively sewn outside and inside the main slide fastener according to the positions of the positioning lines C1 and C2, the outer slide fastener is a one-way single-open or two-way double-open slide fastener, the inner slide fastener is a one-way single-open slide fastener, the outer slide fastener is a reverse car clearance, the slider and the teeth are inward, i.e. the teeth of the outer slide fastener and the nose bridge of the slider are inward, and the slider of the inner slide fastener is a forward-through slider.

5. The method for installing the zipper on the draw-bar box of the case and bag with the movable bottom stop of the positioning teeth as claimed in claim 4, wherein when the outer living page zipper is a bidirectional double-opening zipper, two sliders without pull tabs are respectively installed at two ends of the outer living page zipper, when the two sliders without pull tabs are oppositely closed, a U-shaped connecting fork is inserted into the bridge holes of the two sliders without pull tabs, the head parts of the fork legs of the connecting fork are provided with insertion holes, and corresponding insertion pins are inserted into the two insertion holes to prevent the connecting fork from falling off, so that the outer living page zipper cannot be opened.

6. A method for installing a movable lower baffle luggage opening zipper with positioning teeth on a draw-bar box is characterized in that a main zipper used is a one-way opening zipper with a single pull head, namely: the top that goes up on the main zip fastener has been fixed on the chain belt, and the lower grade keeps off for the activity down, and the system has one row of fore-and-aft locating hole with the interval and installs the activity lower grade on the opening end of one-way opening main zip fastener:

A. and (3) making an upper stop positioning mark on the box shell: marking the upper stop position line of the main zipper of the one-way opening on the upper case shell and the lower case shell by taking the aligned position of the customs lock as the upper stop position of the one-way opening zipper;

B. positioning the length of the sewn section of the one-way opening main zipper: under the condition that the one-way opening main zipper is pulled up, a chain belt with the length larger than the perimeter of the case shell opening edge is coiled on a jig with the same shape as the case shell opening edge under the condition that the chain belt has tension, the overlapped section is fused, positioned or adhered at multiple points by using ultrasonic waves or double-sided adhesive tape, but the distance of 3-5cm is reserved at the opening end of the one-way opening main zipper, and the melting point positioning or adhesion is not carried out, so that the head can be penetrated conveniently;

C. sewing the chain belt: opening the one-way opening main zipper, aligning the upper stop of the left zipper belt and the upper stop of the right zipper belt with the upper stop position lines marked on the upper box shell and the lower box shell respectively, starting sewing by taking the upper stop ends of the left zipper belt 21 and the right zipper belt 22 as starting points, when reaching 3-5cm of the overlapped section close to the opening end, pulling out 3-5cm of the opening end outwards without sewing, and sewing the zipper belt on the pulled-out part with the upper box shell and the lower box shell, and sewing the left zipper belt 21 and the right zipper belt 22 on the upper box shell and the lower box shell;

D. adjusting the relative position and the threading head of the upper box shell and the lower box shell: the four rollers at the bottom of the upper and lower cases are simultaneously landed or put on the same plane to simultaneously contact, so that the upper and lower cases are completely involuted without twisting, then a single puller is used for penetrating into the left chain belt and the right chain belt from the opening end, the single puller is pulled to the upper stop position, whether the chain teeth on the left chain belt and the right chain belt at the upper stop position are aligned front and back and whether the pulling piece on the single puller can be smoothly inserted into the customs lock hole or not are checked, if the zipper teeth on the left zipper belt and the right zipper belt are not aligned front and back and the front and back tooth contusion situations of the left zipper belt and the right zipper belt occur, the single slider is pulled back to the opening end of the main zipper, according to the number of the front and the rear filing teeth, when the four rollers at the bottom of the upper and the lower cases are contacted on the plane at the same time from the new threading to the top stop position, the zipper teeth on the left zipper belt and the right zipper belt are just aligned front and back, and the pull piece on the single pull head can be smoothly inserted into the sea-gate lock hole;

E. positioning and fixing of the movable lower baffle: when the upper and lower cases are correctly closed, the positioning teeth of the movable lower stopper are inserted into the positioning holes of the main zipper, and the U-shaped clamp is clamped on the other chain belt, so that the open ends of the left chain belt and the right chain belt are mutually fixed together.

7. The method for installing the zipper of the suitcase opening with the movable lower stop of the positioning teeth on the draw-bar box as claimed in claim 6, wherein the zipper pull on the single zipper pull is a single-handle double-bolt zipper pull, i.e. the front end of the zipper pull is a U-shaped bolt, two feet of the U-shaped bolt are matched with two lock holes of the customs lock, and when the U-shaped bolt is inserted into the two lock holes of the customs lock, the U-shaped bolt is locked, thereby ensuring the stability and the safety of the lock catch.

Technical Field

The invention relates to a zipper, in particular to a case opening zipper with a movable lower baffle of positioning teeth and an installation method thereof.

Background

The patent ZL201610081999.6 is named before the creation: the bag sewing processing method of the bidirectional corresponding positioning and configuration opening zipper and the bag structure of the configuration double-end opening zipper, the zippers on the left and the right box covers are as follows: the left and right zipper belts are both provided with a lower stop at one side, the other side is provided with a bolt, two opposite zipper heads are respectively penetrated on the left and right zipper belts, the double-end opening zipper of the interchangeable luggage case which can be disassembled and combined is a fixed-length zipper which refers to the positions of a double-end fixed BOX (lower stop) and a PIN (bolt), and the design of the double-end opening zipper is good. However, in the case of the manufacturing process of the thermoplastic forming of the luggage case, the perimeter of each case opening edge is different in length, when the zipper is placed and sewn together after the N-shaped plastic strips are laid, and sewing slip is generated in the sewing process, finally, long and short edges appear on the chain belts on the left case and the right case due to the comprehensive factors after the zipper is sewn, when the left zipper belt and the right zipper belt are pulled by the two pull heads, the left case and the right case are twisted relatively and cannot be completely combined, and 4 rollers at the bottom of the pull rod case cannot be balanced and land at the same time. Therefore, the zipper tapes are not required to be made into a length equal to one side and a length equal to one side, so that the zipper tapes are not uniform in length. The adjusting method is not suitable or cannot reach the standard length of the double-end fixed lower gear and the bolt developed earlier so as to meet the requirement of matching a plurality of single-side bolt chain belts, so as to reach the requirement of exchanging the box shell, and is not suitable for large-batch industrial production operation.

Disclosure of Invention

The invention aims to provide a movable bottom stop case opening zipper with positioning teeth and an installation method thereof, wherein the zipper is simple in structure and convenient to sew, chain belts on a left case shell and a right case shell can be adjusted after sewing, the left case shell and the right case shell can be interchanged during assembly, and the left case shell and the right case shell are not twisted after a zipper on the case shells is pulled and closed.

In order to meet the requirements, the technical scheme of the movable lower baffle luggage opening zipper with the positioning teeth is as follows: the zipper comprises a left zipper belt and a right zipper belt sewn on the opening edge of an upper box shell of a draw-bar box and a lower box shell provided with a draw bar, and a main zipper formed by opening and closing the pull heads of the left zipper belt and the right zipper belt, and is characterized in that a movable lower baffle for preventing the pull heads from being separated from the main zipper is arranged at one end or two ends of the left zipper belt and the right zipper belt, a core wire at the end of the zipper belt at the position of the movable lower baffle is formed by thermally sticking an adhesive tape and a cloth belt together by ultrasonic waves, a row of longitudinal positioning holes with the same interval are formed in the zipper at the position of the movable lower baffle, the movable lower baffle is a U-shaped clamp, a connecting plate reversely extends on one foot of the U-shaped clamp, a row of raised positioning teeth are arranged on the surface of the connecting plate, the shapes and the intervals of the positioning teeth are matched with the positioning holes, wherein the number of the positioning holes is larger than that of the, The right chain belt is penetrated with a pull head, the meshing position is adjusted to simultaneously touch or put on the same plane by four rollers at the bottom of the upper box shell and the lower box shell, the positioning teeth of the movable lower stopper are inserted into the positioning holes of one chain belt, the U-shaped clamp is clamped on the other chain belt, and the two end parts of the left chain belt and the right chain belt are respectively fixed together.

A method for installing a movable lower baffle luggage opening zipper with positioning teeth on a draw-bar box is characterized in that a main zipper used is a zipper with two opposite pull heads with openings at two ends, and the method sequentially comprises the following steps:

A. and (3) making positioning marks on the box shell: before installing the zipper, a central mark A is marked at the midpoint of the hinge positions of the upper and lower case shells, and the central mark is marked towards two sides respectively by using the central mark as a symmetrical center, wherein the central mark comprises stop marks B1 and B2 of the main zipper on the draw-bar case, and positioning lines C1 and C2 at two ends of the inner and outer hinge zippers;

B. sewing the chain belt: one end of the left chain belt and the right chain belt is sewn to the other end of the seam-stopping mark on the upper box shell and the lower box shell around the opening edge of the box shell according to the seam-stopping mark B1 or B2;

C. adjusting the relative position and the threading head of the upper box shell and the lower box shell: the four rollers at the bottom of the upper box shell and the lower box shell are simultaneously grounded or placed on the same plane to be contacted simultaneously, so that the upper box shell and the lower box shell are completely closed without twisting, then a first pull head penetrates into a left zipper belt and a right zipper belt from one end of a main zipper, then the first pull head is used for pulling and closing the whole main zipper, whether the four rollers at the bottom of the upper box shell and the lower box shell are on the same plane is observed, if not, the first pull head is withdrawn, the front and back positions of the left zipper belt and the right zipper belt penetrating into the first pull head are penetrated and adjusted until the first pull head pulls and closes the whole main zipper, the four rollers at the bottom of the upper box shell and the lower box shell are on the same plane, then a second pull head penetrates into the left zipper belt and the right zipper belt from the other end of the main zipper, the first pull head and the second pull head are oppositely pulled and closed, whether the zipper teeth on the left zipper belt and the right zipper belt between the first pull head are aligned front and back, and whether the zipper teeth, if the zipper teeth on the left zipper belt and the right zipper belt are not aligned front and back, and the front and back tooth filing conditions occur on the left and right sides, the second slider is pulled back to the opening end of the main zipper, the second slider is newly penetrated until the four rollers at the bottom of the upper box shell and the lower box shell are simultaneously contacted on a plane according to the number of the front and back tooth filing conditions, the first slider and the second slider can be completely closed, namely, the zipper teeth on the left zipper belt and the right zipper belt between the first slider and the second slider are exactly aligned front and back, and the pull pieces on the first slider and the second slider can be smoothly inserted into the customs lock hole;

D. positioning and fixing of the movable lower baffle: after the upper and lower cases are correctly closed, the positioning teeth of the two movable lower stops are respectively inserted into the positioning holes at the two ends of the main zipper, and the U-shaped clamp is clamped on the other chain belt, so that the two ends of the left chain belt and the right chain belt are mutually fixed together through the two movable lower stops, and the fixed positions of the two movable lower stops are marked, so that the upper and lower cases can be correctly installed after being disassembled next time.

The mark is made on the fixed position of the movable lower stop, the positioning hole which is not provided with the movable lower stop on the chain belt is sealed by an adhesive tape, and only the positioning hole into which the mounting positioning teeth are inserted is left.

An outer loose-leaf zipper and an inner loose-leaf zipper are respectively sewn outside and inside the main zipper according to the positions of positioning lines C1 and C2, the outer loose-leaf zipper is an one-way single-opening or two-way double-opening zipper, the inner loose-leaf zipper is an one-way single-opening zipper, the outer loose-leaf zipper is a reverse side seam, a pull head and zipper teeth face inwards, namely the zipper teeth of the outer loose-leaf zipper and the bridge of the pull head are arranged inside, and the pull head of the inner loose-leaf zipper is a forward penetrating pull head.

When the outer loose-leaf zipper is a bidirectional double-opening zipper, two sliders without pulling pieces are respectively installed at two ends of the outer loose-leaf zipper, when the sliders without the pulling pieces are oppositely closed, a U-shaped connecting fork is inserted into nose bridge holes of the sliders without the pulling pieces, insertion holes are formed in the head parts of fork legs of the connecting fork, and corresponding inserting pins are inserted into the two insertion holes to prevent the connecting fork from falling off, so that the outer loose-leaf zipper cannot be pulled open.

A method for installing a movable lower baffle luggage opening zipper with positioning teeth on a draw-bar box is characterized in that a main zipper used is a one-way opening zipper with a single pull head, namely: the top that goes up on the main zip fastener has been fixed on the chain belt, and the lower grade keeps off for the activity down, and the system has one row of fore-and-aft locating hole with the interval and installs the activity lower grade on the opening end of one-way opening main zip fastener:

A. and (3) making an upper stop positioning mark on the box shell: marking the upper stop position line of the main zipper of the one-way opening on the upper case shell and the lower case shell by taking the aligned position of the customs lock as the upper stop position of the one-way opening zipper;

B. positioning the length of the sewn section of the one-way opening main zipper: under the condition that the one-way opening main zipper is pulled up, a chain belt with the length larger than the perimeter of the case shell opening edge is coiled on a jig with the same shape as the case shell opening edge under the condition that the chain belt has tension, the overlapped section is fused, positioned or adhered at multiple points by using ultrasonic waves or double-sided adhesive tape, but the distance of 3-5cm is reserved at the opening end of the one-way opening main zipper, and the melting point positioning or adhesion is not carried out, so that the head can be penetrated conveniently;

C. sewing the chain belt: opening the one-way opening main zipper, aligning the upper stop of the left zipper belt and the upper stop of the right zipper belt with the upper stop position lines marked on the upper box shell and the lower box shell respectively, starting sewing by taking the upper stop ends of the left zipper belt 21 and the right zipper belt 22 as starting points, when reaching 3-5cm of the overlapped section close to the opening end, pulling out 3-5cm of the opening end outwards without sewing, and sewing the zipper belt on the pulled-out part with the upper box shell and the lower box shell, and sewing the left zipper belt 21 and the right zipper belt 22 on the upper box shell and the lower box shell;

D. adjusting the relative position and the threading head of the upper box shell and the lower box shell: the four rollers at the bottom of the upper and lower cases are simultaneously landed or put on the same plane to simultaneously contact, so that the upper and lower cases are completely involuted without twisting, then a single puller is used for penetrating into the left chain belt and the right chain belt from the opening end, the single puller is pulled to the upper stop position, whether the chain teeth on the left chain belt and the right chain belt at the upper stop position are aligned front and back and whether the pulling piece on the single puller can be smoothly inserted into the customs lock hole or not are checked, if the zipper teeth on the left zipper belt and the right zipper belt are not aligned front and back and the front and back tooth contusion situations of the left zipper belt and the right zipper belt occur, the single slider is pulled back to the opening end of the main zipper, according to the number of the front and the rear filing teeth, when the four rollers at the bottom of the upper and the lower cases are contacted on the plane at the same time from the new threading to the top stop position, the zipper teeth on the left zipper belt and the right zipper belt are just aligned front and back, and the pull piece on the single pull head can be smoothly inserted into the sea-gate lock hole;

E. positioning and fixing of the movable lower baffle: when the upper and lower cases are correctly closed, the positioning teeth of the movable lower stopper are inserted into the positioning holes of the main zipper, and the U-shaped clamp is clamped on the other chain belt, so that the open ends of the left chain belt and the right chain belt are mutually fixed together.

The zipper-pulls on the single slider are zipper-pulls of single handle two spring bolts, namely the front end of the zipper-pulls is a U-shaped spring bolt, two feet of the U-shaped spring bolt match with two lockholes of the customs lock, and the U-shaped spring bolt is locked when inserted into the two lockholes of the customs lock, thereby ensuring the stability and the safety of the lock catch.

According to the case opening zipper with the movable lower stop of the positioning teeth and the installation method thereof designed by the scheme, because the upper end and the lower end or one end of the zipper adopt the movable lower stop, the method changes the method that the lower stop is fixed before the zipper is manufactured in the prior art, but the left zipper belt and the right zipper belt are sewed on the upper case shell and the lower case shell before the zipper is manufactured, after the relative positions of the upper case shell and the lower case shell are adjusted to be correct, the lower stop is fixedly installed, the positioning teeth are arranged on the lower stop and a plurality of positioning holes matched with the positioning teeth are formed at the end part of the zipper belt, so that the lower stop can move up and down at the end part along the length direction of the zipper, the left zipper belt and the right zipper belt respectively sewed on the upper case shell and the lower case shell can move back and forth and back, the relative position between the upper case shell and the lower case shell can be properly adjusted, when the relative positions of the upper case shell and the lower case shell are properly adjusted, and clamping the U-shaped clamp of the movable lower stop on the other chain belt by using the positioning teeth and the positioning holes, so that the two ends of the left chain belt and the right chain belt are relatively fixed together, marking the fixed position of the movable lower stop, and correctly installing the movable lower stop according to the original position for the next time. The method can conveniently and quickly sew the left and right chain belts on the upper and lower cases, and the upper and lower cases can be assembled at will later, so as to achieve the effect of complete involution. When needs install the bodiness case between upper and lower case shell, upper and lower case shell separation and reassembly can not appear, the mutual torsional condition of lower case shell, the upper and lower case shell that appears when can effectively avoid the zip fastener to make up on the draw-bar box twists reverse, the quality problem that four gyro wheels can not land simultaneously, can satisfy the requirement of mutual spelling exchange between the case shell, bring very big convenience to the mass production of draw-bar box, the efficiency of making up and assembling of upper and lower case shell has been improved greatly, the quality is also guaranteed easily. When the main zipper is a single zipper with a one-way opening, the zipper pieces on the zipper are single-handle double-bolt zipper pieces, when the single-handle double-bolt zipper pieces are inserted into the two lock holes of the customs lock, the single-handle double-bolt zipper pieces are locked at the same time, the zipper pieces cannot shake or slide downwards, and the stability and the safety of the lock catch are ensured.

Drawings

FIG. 1 is a perspective view of a zipper of an opening of a case with a movable lower stop having positioning teeth sewn on the edge of the upper and lower cases;

FIG. 2 is a front view of a double-opening zipper of a case with movable bottom stops having positioning teeth at both ends;

FIG. 3 is a perspective view of the movable lower stop;

FIG. 4 is a front view of the open zipper with the movable bottom stop secured to both ends;

FIG. 5 is a front view of the enclosure with positioning indicia A, B1, B2, C1, C2 marked thereon;

FIG. 6 is a schematic view of the structure of the cabinet with the outer leaf zipper zipped;

FIG. 7 is a view showing the state where the pull tabs of the two sliders are inserted into the locking holes of the sea chest when the main slide fastener is zipped;

FIG. 8 is a perspective view of the outer leaflet fastener having locking devices mounted at both ends;

FIG. 9 is a perspective view of the locker;

FIG. 10 is an exploded view of FIG. 9;

FIG. 11 is a schematic view of the inner zippers in the crate when closed;

FIG. 12 is an enlarged view of section A-A of FIG. 11;

FIG. 13 is a front view of a one-way split zipper with a single slider having a locating hole formed in the split end;

FIG. 14 is a front elevational view of the upper and lower housings with the top dead center position line of the one-way zippers cut out;

FIG. 15 is a schematic view of ultrasonic positioning of the overlapped area of the one-way open zipper on a jig;

FIG. 16 is a front view of a one-way open zipper sewn to the upper and lower cases;

FIG. 17 is a perspective view of a single handle dual tongue pull tab with the bottom surface facing upward;

fig. 18 is a perspective view of a single handle dual tongue pull tab with the bottom surface down.

In the figure:

1. a draw-bar box; 11. an upper case shell, 12 lower case shells, 13 rollers, 14 customs lock;

2. 21, a left chain belt; 22. a right chain belt; 23. the zipper comprises a zipper head, a zipper thread of 24 degrees, an adhesive tape of 25 degrees, a positioning hole of 26 degrees, a first zipper head of 27 degrees, a zipper pull of 271 degrees; 28. a second slider; 281 pull tabs; 29. top dead center;

3. the movable lower stop, the 31-clip, the 32-connecting plate, the 33-positioning tooth;

4. an outer hinge zipper;

5. an inner loose-leaf zipper;

6. a locking device; 61. a slider without a pull tab; 62. a connecting fork; 621. a jack; 63. a bolt;

7. a jig;

8. single slider, 81 pull tab, 82 double lock tongue.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

As shown in FIG. 1, the main zipper 2 comprises a left zipper belt 21 and a right zipper belt 22 which are sewn on the opening edges of an upper case shell 11 and a lower case shell 12 which are provided with a draw bar of a draw-bar case 1, and a zipper head 23 which opens and closes the left zipper belt 21 and the right zipper belt 22. Movable bottom stops 3 for preventing the sliders 23 from separating from the main zipper 2 are mounted at both ends of the left and right fastener tapes 21 and 22, the movable bottom stops 3 may be mounted at one end of the main zipper 2 as required, core threads 24 at the ends of the fastener tapes at the positions where the movable bottom stops 3 are mounted are thermally adhered and fixed together by ultrasonic waves, and a row of longitudinal positioning holes 26 at the same interval are formed in the fastener tapes at the positions where the movable bottom stops 3 are mounted, as shown in fig. 2. The movable bottom stop 3 is a U-shaped clip 31 as shown in fig. 3, a connecting plate 32 extends reversely on one leg of the U-shaped clip 31, a row of 3 raised positioning teeth 33 are arranged on the surface of the connecting plate 32, the shapes and the intervals of the positioning teeth 33 are matched with those of the positioning holes 26, wherein the number of the positioning holes 26 is larger than that of the positioning teeth 33, when the left chain belt 21 and the right chain belt 22 are sewed on the upper case shell 11 and the lower case shell 12, and four rollers 13 at the bottoms of the upper case shell 11 and the lower case shell 12 are simultaneously grounded or placed on the same plane and simultaneously contacted, a slider 23 is penetrated on the left chain belt 21 and the right chain belt 22, the positioning teeth 33 of the movable bottom stop 3 are inserted into the positioning holes 26 of one chain belt, and the U-shaped clip 31 is clamped on the other chain belt, so as to fix the two end parts of the left chain belt 21 and the right chain belt 22 together as shown in fig. 4.

A method for installing a movable lower baffle luggage opening zipper with positioning teeth on a draw-bar luggage 1, wherein a main zipper 2 used by the method is a zipper with two opposite sliders with openings at two ends, and the method sequentially comprises the following steps:

A. and (3) making positioning marks on the box shell: before the zippers are installed, a center mark A is made at the middle point of the hinge positions of the upper box shell 11 and the lower box shell 12, and the center mark is marked towards two sides respectively by using the center mark as a symmetrical center, wherein the seam stop marks B1 and B2 of the main zipper 2 on the draw-bar box 1, and the positioning lines C1 and C2 at two ends of the inner hinge zipper 5 and the outer hinge zipper 4 are shown in FIG. 5;

B. sewing the chain belt: sewing the left zipper belt 21 and the right zipper belt 22 to the other ends of the seam-stop marks on the upper case shell 11 and the lower case shell 12 around the opening edge of the case shell according to one end of the seam-stop mark B1 or B2, so that the two ends of the main zipper 2 are not completely sewed so as to have certain mobility at the two ends of the main zipper 2 and facilitate threading (a zipper head is threaded on the zipper belt); the outer and inner zippers 4 and 5 are respectively sewn at the outer and inner sides of the main zipper 2 at positions corresponding to the positioning lines C1 and C2, the outer loose-leaf zipper 4 is a unidirectional single-open or bidirectional double-open zipper, the inner loose-leaf zipper 5 is a unidirectional single-open zipper, the outer hinge zipper 4 is a reverse automobile seam, an upper pull head (not shown in the figure) and the zipper teeth of the outer hinge zipper 4 face inwards, namely, only two involutive cloth belts are seen outside the draw-bar box 1 inside the zipper teeth of the outer hinge zipper 4 and the nose bridge of the puller, the nose bridge and the zipper teeth of the slider are not seen as shown in figure 6, the slider of the inner loose-leaf zipper 5 is a front-threading slider, in order to reduce repeated sewing, when the main zipper 2 is sewn, the inner loose-leaf zipper 5 and the outer loose-leaf zipper 5 can be sewn with the box shell at one time, and only when the machine is sewn to the positions B1 and B2, the opening end is pulled out 3-5cm without sewing;

C. adjusting the relative position and threading of the upper case shell 11 and the lower case shell 12: the four rollers 13 at the bottom of the upper case 11 and the lower case 12 are simultaneously grounded or placed on the same plane to simultaneously contact, so that the upper case 11 and the lower case 12 are completely closed without twisting, then the first slider 27 is firstly used for penetrating the left zipper belt 21 and the right zipper belt 22 from one end of the main zipper 2, then the first slider 27 is used for closing the whole main zipper 2, whether the four rollers 13 at the bottom of the upper case 11 and the lower case 12 are on the same plane is observed, if not, the first slider 27 is withdrawn, the front and back positions of the left zipper belt 21 and the right zipper belt 22 penetrating the first slider 27 are penetrated and adjusted, until the first slider 27 closes the whole main zipper 2, the four rollers 13 at the bottom of the upper case 11 and the lower case 12 are on the same plane, then the second slider 28 is used for penetrating the left zipper belt 21 and the right zipper belt 22 from the other end of the main zipper 2, and when the first slider 27 and the second slider 28 are oppositely closed and closed, the slider 21 between the first slider 27 and the second slider 28 is observed, Whether the zipper teeth on the right zipper belt 22 are aligned front and back and whether the pull pieces on the first slider 27 and the second slider 28 can be smoothly inserted into the hole of the sea-state lock 14 or not, if the zipper teeth on the left zipper belt 21 and the right zipper belt 22 are not aligned front and back and front and back tooth contusion occurs on the left and right sides, the second slider 28 is pulled back to the open end of the main zipper 2, the second slider 28 is newly threaded according to the number of front and back tooth contusion until the four rollers 13 at the bottoms of the upper case 11 and the lower case 12 are simultaneously contacted on the plane, the first slider 27 and the second slider 28 can be completely closed to each other, that is, the zipper teeth on the left zipper belt 21 and the right zipper belt 22 between the first slider 27 and the second slider 28 are exactly aligned front and back and exactly and the pull pieces 271 and 281 on the first slider 27 and the second slider 28 can be smoothly inserted into the hole of the sea-state lock 14 as shown;

D. positioning and fixing of the movable lower baffle 3: after the upper box shell 11 and the lower box shell 12 are correctly closed, the positioning teeth 33 of the two movable lower stoppers 3 are respectively inserted into the positioning holes 26 at the two ends of the main zipper 2, and the U-shaped clamp 31 is clamped on the other chain belt, so that the two ends of the left chain belt 21 and the right chain belt 22 are mutually fixed together through the two movable lower stoppers 3, the positioning holes 26 which are not provided with the movable lower stoppers 24 on the chain belts are sealed by adhesive tapes, only the positioning holes 26 into which the positioning teeth 33 are inserted are left, and the upper box shell 11 and the lower box shell 12 can be correctly installed after being disassembled next time;

E. final assembly: firstly, the outer loose-leaf zipper 3 is closed as shown in fig. 6, when the outer loose-leaf zipper 3 is a bidirectional double-opening zipper, the two ends of the outer loose-leaf zipper are respectively provided with a locking device 6, so that the two ends of the outer loose-leaf zipper 3 can not be opened as shown in fig. 8, the locking devices 6 are two sliders 61 without pull tabs respectively arranged at the two ends of the outer loose-leaf zipper 3, when the two sliders 61 without pull tabs are oppositely folded, the movable lower stops 24 at the two ends are clamped between the two sliders 61 without pull tabs, a U-shaped connecting fork 62 is inserted into the nose bridge holes of the two sliders 61 without pull tabs, the fork foot heads of the connecting fork 62 are provided with inserting holes 621, corresponding bolts 63 are inserted into the two inserting holes 621 to prevent the connecting fork 62 from falling off as shown in fig. 9 and 10, then the inner loose-leaf zipper 5 is closed, the structure of the movable lower stops 24 covering the two ends of the main zipper 2 is shown in fig. 11, and hinges of the draw-bar box 1 are formed at the positions of the outer loose-, the first slider 27 and the second slider 28 are responsible for opening and closing the upper case shell 11 and the lower case shell 12, wherein the main zipper 2 is a double-teeth zipper, and the arrangement of the outer leaflet zipper 4, the main zipper 2 and the inner leaflet zipper 5 is shown in fig. 12.

A method for installing a movable lower baffle luggage opening zipper with positioning teeth on a draw-bar box, wherein a main zipper 2 used in the method is a one-way opening zipper with a single pull head 8, namely: the upper stop 29 on the main zipper 2 is fixed on the left zipper belt 21 and the right zipper belt 22, the lower stop is the movable lower stop 3, a row of longitudinal positioning holes 26 with the same interval are arranged on the opening end of the one-way opening main zipper 2, and the movable lower stop 3 is arranged as shown in fig. 13:

A. and (3) making an upper stop positioning mark on the box shell: the position where the customs lock 14 is aligned on the box shell is the upper stop position of the one-way opening main zipper, and the upper stop position line of the one-way opening main zipper 2 marked on the upper box shell 11 and the lower box shell 12 is shown in figure 14;

B. positioning the length of the sewn section of the one-way opening main zipper 2: under the condition that the one-way opening main zipper 2 is pulled to be closed, a chain belt with the length larger than the perimeter of the case opening edge is coiled on a jig 7 with the same shape as the case opening edge under the condition that tension exists, the upper layer cloth belt and the lower layer cloth belt of the overlapped part of the chain belt are fused, positioned or adhered at multiple points by using ultrasonic waves or double-sided adhesive tapes in the overlapped section, but the distance of 3-5cm is reserved at the opening end of the one-way opening main zipper 2, the melting point positioning or the adhesion is not carried out, as shown in figure 15, so that the head can be penetrated;

C. sewing the chain belt: opening the one-way opening main zipper 2, aligning the upper stops 29 of the left chain belt 21 and the right chain belt 22 with the upper stop position lines marked on the upper case shell 11 and the lower case shell 12 respectively, starting sewing by taking the upper stops 29 of the left chain belt 21 and the right chain belt 22 as starting points, when reaching 3-5cm of the overlapped section near the opening end, pulling out 3-5cm of the opening end outwards without sewing, and sewing the chain belt on the pulled-out part with the upper case shell 11 and the lower case shell 12, and sewing the left chain belt 21 and the right chain belt 22 on the upper case shell 11 and the lower case shell 12 (wherein the 3-5cm of the opening end is not sewn for facilitating the installation of a threading head and a movable lower stop);

D. adjusting the relative position and threading of the upper case shell 11 and the lower case shell 12: the four rollers 13 at the bottom of the upper case 11 and the lower case 12 are simultaneously grounded or placed on the same plane to simultaneously contact, so that the upper case 11 and the lower case 12 are completely involuted and not twisted, then a single slider 8 is used for penetrating into the left chain belt 21 and the right chain belt 22 from the opening end, the single slider 8 is pulled to the upper stop 29 position, whether the chain teeth on the left chain belt 21 and the right chain belt 22 at the upper stop 29 position are aligned front and back and whether the pull piece 81 on the single slider 8 can be smoothly inserted into the hole of the customs lock 14 are checked, if the chain teeth on the left chain belt 21 and the right chain belt 22 are not aligned front and back, the front and back tooth filing condition of the left and right sides occurs, the single slider 8 is pulled back to the opening end of the main zipper 2, the new head penetrating is performed according to the number of the front and back teeth until the four rollers 13 at the bottom of the upper case 11 and the lower case 12 are simultaneously contacted on the plane, and when the single slider 8 is at the upper stop 29 position, the chain teeth on the left chain belt 21 and 81 can also be inserted smoothly into the aperture of the customs lock 14 as shown in figure 16. The pull piece 81 on the single slider 8 is a single-handle double-bolt 82 pull piece, namely the front end of the pull piece 81 is a U-shaped double-bolt 82, two feet of the U-shaped double-bolt 82 are matched with two lock holes of the customs lock 14 as shown in fig. 17 and 18, when the U-shaped double-bolt 82 is inserted into the two lock holes of the customs lock 14, the U-shaped double-bolt 82 is locked, and the stability and the safety of the lock catch are ensured;

E. positioning and fixing of the movable lower baffle: after the upper case shell 11 and the lower case shell 12 are correctly combined, the positioning teeth 33 of the movable lower stop 3 are inserted into the positioning holes 26 of the main zipper 2, and the U-shaped clamp 31 is clamped on the other one-way open chain belt, so that the open ends of the left chain belt 21 and the right chain belt 22 are fixed together as shown in fig. 16.