阅读说明：本技术 一种快捷拆卸的拉头及拉链 (Slider and zip fastener of swift dismantlement ) 是由 邱润生 蔡隆 刘拥华 周兴旺 于 2021-07-13 设计创作，主要内容包括：本发明提供了一种快捷拆卸的拉头及拉链,包括上船板和下船板；所述上船板的底部向下延伸设置有下船板连接台；所述下船板包括第一下船板分板和第二下船板分板,所述第一下船板分板与第二下船板分板之间可拆卸分离连接；所述第一下船板分板和第二下船板分板一端的端部均与所述下船板连接台相连接,且所述第一下船板分板和第二下船板分板中至少有一个与所述下船板连接台为旋转连接。本发明优点：无需借助专业器具就可以实现拉头的拆装操作,不仅能够实现随时随地自由拆卸和组装,避免影响到正常使用,而且不会造成拉头、布带、链牙等损坏。(The invention provides a quickly-disassembled pull head and a zipper, which comprise an upper ship plate and a lower ship plate; the bottom of the upper ship board extends downwards to be provided with a lower ship board connecting platform; the lower ship plate comprises a first lower ship plate sub-plate and a second lower ship plate sub-plate, and the first lower ship plate sub-plate and the second lower ship plate sub-plate are detachably connected in a separated mode; the end parts of one ends of the first lower board sub-board and the second lower board sub-board are connected with the lower board connecting platform, and at least one of the first lower board sub-board and the second lower board sub-board is rotatably connected with the lower board connecting platform. The invention has the advantages that: the disassembly and assembly operation of the pull head can be realized without the help of professional appliances, the pull head can be freely disassembled and assembled at any time and any place, the influence on normal use is avoided, and the pull head, the cloth belt, the zipper teeth and the like cannot be damaged.)

1. A pull head capable of being disassembled quickly is characterized in that: comprises an upper ship board and a lower ship board;

the bottom of the upper ship board extends downwards to be provided with a lower ship board connecting platform;

the lower ship plate comprises a first lower ship plate sub-plate and a second lower ship plate sub-plate, and the first lower ship plate sub-plate and the second lower ship plate sub-plate are detachably connected in a separated mode; the end parts of one ends of the first lower board sub-board and the second lower board sub-board are connected with the lower board connecting platform, and at least one of the first lower board sub-board and the second lower board sub-board is rotatably connected with the lower board connecting platform.

2. A quick release pull head as recited in claim 1, wherein: the first lower ship plate sub-plate and the second lower ship plate sub-plate are detachably connected in a separated mode through at least one buckle structure;

the buckle structure comprises a clamping groove body and a buckle; and any one of the clamping groove body and the buckle is arranged at the bottom of the first lower ship plate and the other one is arranged at the bottom of the second lower ship plate.

3. A quick release pull head as recited in claim 2, wherein: the number of the buckle structures is two; any one buckle structure is arranged in the middle of the other end of each of the first lower board and the second lower board, and the other buckle structure is arranged in the middle of each of the first lower board and the second lower board;

two the buckle structure's draw-in groove body and buckle stagger the setting, just draw-in groove body and buckle all are located the edge of the concatenation side of first board and the board of launching the boat is divided to the second board of launching the boat.

4. A quick release pull head as recited in any of claims 1-3, wherein: a first connecting part is formed at the end part of one end of the first lower ship plate sub-plate, and a second connecting part is formed at the end part of one end of the second lower ship plate sub-plate;

the first connecting part comprises a first connecting sheet and a second connecting sheet; the first connecting piece is arranged at the upper end of the first lower ship plate branch plate, the second connecting piece is arranged at the lower end of the first lower ship plate branch plate, and a connecting piece slot is formed between the first connecting piece and the second connecting piece; a step surface matched with the second connecting sheet is formed on the lower ship board connecting platform;

the second connecting part comprises a third connecting piece inserted in the connecting piece slot; the first connecting piece, the second connecting piece and the third connecting piece are all round connecting pieces.

5. A quick release pull head as recited in claim 4, wherein: the first connecting part and the second connecting part are connected with the lower ship board connecting table through pins; a first pin through hole is formed in the first connecting piece, a second pin through hole is formed in the second connecting piece, a third pin through hole is formed in the third connecting piece, and a pin blind hole is formed in the step surface; the first pin through hole, the second pin through hole, the third pin through hole and the pin blind hole are concentric holes.

6. A quick release pull head as recited in claim 4, wherein: the lower ship plate connecting platform is provided with a first limiting structure which is spliced and used for limiting the rotation of the first lower ship plate sub-plate and the second lower ship plate sub-plate;

the first limiting structure comprises a limiting boss fixedly arranged at the top of the lower ship plate connecting table; a first splicing plane is formed on one spliced side of the first lower ship plate sub-plate, and a first limiting groove matched with the limiting boss is formed inwards on the lower portion of the first lower ship plate sub-plate from the first splicing plane; the second lower board is formed with a second splicing plane at one side of the splicing, and a second limiting groove matched with the limiting boss is inwards formed in the lower portion of the second lower board by the second splicing plane.

7. A quick release pull head as recited in claim 4, wherein: a second limiting structure for limiting the rotation of the first lower ship plate is arranged on the lower ship plate connecting table;

the second limiting structure comprises a limiting concave part arranged on the ship descending board connecting platform and a limiting convex part arranged at the bottom of the first connecting part and used for being matched with the limiting concave part;

or the second limiting structure comprises a limiting convex part arranged on the ship descending board connecting platform and a limiting concave part arranged at the bottom of the first connecting part and used for matching with the limiting convex part.

8. A quick release pull head as recited in any of claims 1-3, wherein: the end part of one end of the first lower ship plate is fixedly connected with the lower ship plate connecting table, and a connecting sheet slot is formed in the end part of one end of the first lower ship plate; the end part of one end of the second lower board is provided with a third connecting piece inserted into the connecting piece slot; the third connecting piece is a circular connecting piece;

and the third connecting piece is connected with the end part of one end of the first lower ship plate splitting plate through a pin.

9. A quick release pull head as recited in claim 2, wherein: the buckle comprises two buckle parts which are symmetrically arranged and mutually matched;

the clamping part comprises a clamping block and a connecting block, one end of the connecting block is fixedly connected with the first lower board sub-board or the second lower board sub-board, the other end of the connecting block is fixedly connected with the clamping block, a fastening step is formed between the connecting block and the clamping block, and the step surface of the fastening step is an inclined surface; a pressing inclined plane is formed on the outer side of the front end of the clamping block;

an extending groove is formed at one end, close to the buckle, of the clamping groove body; arc-shaped concave parts are formed on two sides of the clamping groove body, and extending grooves for the clamping blocks to extend out are formed in the wall surfaces of the arc-shaped concave parts.

10. A slide fastener, characterized in that: the slide fastener uses a slider as claimed in any of claims 1 to 9.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of zipper structures, in particular to a quickly-disassembled pull head and a zipper.

[ background of the invention ]

In daily life, a zipper is a connecting piece which enables articles to be combined or separated by means of continuously arranged zipper teeth, and the zipper is widely applied to articles such as clothes, bags, tents and the like. People often encounter the phenomenon that the pull head is blocked in the process of using the zipper. When the phenomenon of dead locking of the existing slider occurs, the slider generally needs to be detached by means of a professional appliance, but a user cannot carry the professional appliance when going out, so that the user can only pull the slider forcibly in most occasions, the slider, the cloth belt and the zipper teeth are easily damaged, and the service life of the zipper is shortened. In view of the above problems, the present inventors have conducted extensive studies and have made the present invention.

[ summary of the invention ]

The invention aims to solve the technical problem of providing a quick-disassembly pull head and a zipper, solving the problem of inconvenient disassembly when the pull head is blocked, realizing quick disassembly and assembly and prolonging the service life.

The invention is realized by the following steps:

in a first aspect, a quick release pull head includes an upper deck and a lower deck;

the bottom of the upper ship board extends downwards to be provided with a lower ship board connecting platform;

the lower ship plate comprises a first lower ship plate sub-plate and a second lower ship plate sub-plate, and the first lower ship plate sub-plate and the second lower ship plate sub-plate are detachably connected in a separated mode; the end parts of one ends of the first lower board sub-board and the second lower board sub-board are connected with the lower board connecting platform, and at least one of the first lower board sub-board and the second lower board sub-board is rotatably connected with the lower board connecting platform.

Furthermore, the first lower ship plate sub-plate and the second lower ship plate sub-plate are detachably connected in a separated mode through at least one buckle structure;

the buckle structure comprises a clamping groove body and a buckle; and any one of the clamping groove body and the buckle is arranged at the bottom of the first lower ship plate and the other one is arranged at the bottom of the second lower ship plate.

Furthermore, the number of the buckle structures is two; any one buckle structure is arranged in the middle of the other end of each of the first lower board and the second lower board, and the other buckle structure is arranged in the middle of each of the first lower board and the second lower board;

two the buckle structure's draw-in groove body and buckle stagger the setting, just draw-in groove body and buckle all are located the edge of the concatenation side of first board and the board of launching the boat is divided to the second board of launching the boat.

Furthermore, a first connecting part is formed at the end part of one end of the first lower ship plate sub-plate, and a second connecting part is formed at the end part of one end of the second lower ship plate sub-plate;

the first connecting part comprises a first connecting sheet and a second connecting sheet; the first connecting piece is arranged at the upper end of the first lower ship plate branch plate, the second connecting piece is arranged at the lower end of the first lower ship plate branch plate, and a connecting piece slot is formed between the first connecting piece and the second connecting piece; a step surface matched with the second connecting sheet is formed on the lower ship board connecting platform;

the second connecting part comprises a third connecting piece inserted in the connecting piece slot; the first connecting piece, the second connecting piece and the third connecting piece are all round connecting pieces.

Further, the first connecting part and the second connecting part are connected with the lower ship board connecting table through pins; a first pin through hole is formed in the first connecting piece, a second pin through hole is formed in the second connecting piece, a third pin through hole is formed in the third connecting piece, and a pin blind hole is formed in the step surface; the first pin through hole, the second pin through hole, the third pin through hole and the pin blind hole are concentric holes.

Further, a first limiting structure which is spliced to limit the rotation of the first lower board sub-board and the second lower board sub-board is arranged on the lower board connecting platform;

the first limiting structure comprises a limiting boss fixedly arranged at the top of the lower ship plate connecting table; a first splicing plane is formed on one spliced side of the first lower ship plate sub-plate, and a first limiting groove matched with the limiting boss is formed inwards on the lower portion of the first lower ship plate sub-plate from the first splicing plane; the second lower board is formed with a second splicing plane at one side of the splicing, and a second limiting groove matched with the limiting boss is inwards formed in the lower portion of the second lower board by the second splicing plane.

Further, a second limiting structure for limiting the rotation of the first lower ship plate is arranged on the lower ship plate connecting table;

the second limiting structure comprises a limiting concave part arranged on the ship descending board connecting platform and a limiting convex part arranged at the bottom of the first connecting part and used for being matched with the limiting concave part;

or the second limiting structure comprises a limiting convex part arranged on the ship descending board connecting platform and a limiting concave part arranged at the bottom of the first connecting part and used for matching with the limiting convex part.

Furthermore, the end part of one end of the first lower ship plate is fixedly connected with the lower ship plate connecting table, and a connecting sheet slot is formed in the end part of one end of the first lower ship plate; the end part of one end of the second lower board is provided with a third connecting piece inserted into the connecting piece slot; the third connecting piece is a circular connecting piece;

and the third connecting piece is connected with the end part of one end of the first lower ship plate splitting plate through a pin.

Furthermore, the buckle comprises two buckle parts which are symmetrically arranged and mutually matched;

the clamping part comprises a clamping block and a connecting block, one end of the connecting block is fixedly connected with the first lower board sub-board or the second lower board sub-board, the other end of the connecting block is fixedly connected with the clamping block, a fastening step is formed between the connecting block and the clamping block, and the step surface of the fastening step is an inclined surface; a pressing inclined plane is formed on the outer side of the front end of the clamping block;

an extending groove is formed at one end, close to the buckle, of the clamping groove body; arc-shaped concave parts are formed on two sides of the clamping groove body, and extending grooves for the clamping blocks to extend out are formed in the wall surfaces of the arc-shaped concave parts.

In a second aspect, a slide fastener uses the slider described above.

The invention has the advantages that: 1. the lower ship plate comprises a first lower ship plate separating plate and a second lower ship plate separating plate, the first lower ship plate separating plate and the second lower ship plate separating plate are detachably connected, and at least one of the first lower ship plate separating plate and the second lower ship plate separating plate is rotatably connected with the lower ship plate connecting platform; when the situation that the puller is locked and the like occurs in the specific use process, the first lower ship plate separating plate and the second lower ship plate separating plate can be quickly disassembled, and at least one of the first lower ship plate separating plate and the second lower ship plate separating plate is in a freely rotatable state, so that a user can conveniently disassemble and maintain the puller, a cloth belt and zipper teeth at any time and any place, and the influence on the normal use of the user is avoided; when the problems of jamming and the like are solved, the ship can be normally used only by splicing the first lower ship plate sub-plate and the second lower ship plate sub-plate together; therefore, compared with the existing pull head, the technical scheme of the invention can realize the disassembly and assembly operation of the pull head without the help of professional tools, has simple, rapid and convenient whole disassembly and assembly process, can realize free disassembly and assembly at any time and any place, avoids influencing normal use, does not damage the pull head, a cloth belt, a chain tooth and the like, does not influence use after being reassembled, and can prolong the service life of the pull head. 2. The first limit structure is arranged on the lower ship plate connecting platform, or the second limit structure is arranged on the lower ship plate connecting platform, or the first lower ship plate is divided into the plates and fixed together with the lower ship plate connecting platform, so that the first lower ship plate and the second lower ship plate are divided into the plates to be limited, the first lower ship plate and the second lower ship plate are divided into the plates to be incapable of rotating under the splicing state, and the influence on the normal use of the pull head is avoided.

[ description of the drawings ]

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

FIG. 1 is a perspective view of a quick release slider of the present invention;

FIG. 2 is a schematic structural view of the first lower deck plate section and the second lower deck plate section when they are joined together according to the present invention;

FIG. 3 is a schematic view of the first lower deck section and the second lower deck section of the present invention in a separated configuration

FIG. 4 is an exploded view of a quick release pull head of the present invention employing a first stop arrangement;

FIG. 5 is a schematic perspective view of the upper deck of the present invention employing a first stop structure;

FIG. 6 is a side view of the upper deck of the present invention employing a first stop arrangement;

FIG. 7 is a schematic perspective view of a first lower deck plate of the present invention with a first position limiting structure;

FIG. 8 is a second schematic perspective view of a first lower deck panel of the present invention employing a first position limiting structure;

FIG. 9 is a schematic perspective view of a second lower deck plate of the present invention with a first position limiting structure;

FIG. 10 is a second schematic perspective view of a second lower deck plate of the present invention employing a first position limiting structure;

FIG. 11 is a schematic structural view of a first position-limiting boss according to the present invention;

FIG. 12 is a schematic structural view of a card slot body according to the present invention;

FIG. 13 is a schematic view of a first position-limiting recess of the present invention with a first position-limiting structure;

FIG. 14 is a schematic structural view of a second retaining groove of the present invention employing a first retaining structure;

FIG. 15 is a schematic view of a latch portion according to the present invention;

FIG. 16 is a second schematic view of the latch portion of the present invention;

FIG. 17 is an exploded view of a quick release pull head of the present invention employing a second stop arrangement;

FIG. 18 is a schematic perspective view of the upper deck of the present invention employing a second position limiting structure;

FIG. 19 is a schematic perspective view of a first lower deck plate of the present invention employing a second position limiting structure;

fig. 20 is a schematic perspective view of a second lower deck plate of the present invention employing a second position limiting structure.

Description of reference numerals:

100-slider, 1-boarding, 11-third, 12-elephant nose, 2-boarding, 21-first boarding, 211-first link, 2111-first pin through hole, 212-second link, 2121-second pin through hole, 213-link slot, 214-first splice plane, 215-first limit groove, 2151-fourth plane, 2152-fifth plane, 2153-sixth plane, 216-first barrier, 22-second boarding, 221-third link, 2211-third pin through hole, 222-second splice plane, 223-second limit groove, 2231-seventh plane, 2232-eighth plane, 2233-ninth plane, 224-second barrier, 2 a-first connection, 2 b-a second connecting part, 3-a ship board descending connecting platform, 31-a step surface, 311-a pin blind hole, 32-a branch chain inclined surface, 33-an arc-shaped end surface, 4-a first limiting structure, 41-a limiting boss, 411-a first plane, 412-a second plane, 413-a third plane, 414-a abdication inclined surface, 5-a buckle structure, 51-a clamp groove body, 511-an extending groove, 512-an arc-shaped concave part, 513-an extending groove, 52-a buckle, 52 a-a buckle part, 521-a clamp block, 522-a connecting block, 523-a buckle step, 524-a pressing inclined surface, 6-a pin and 61-a connecting shaft part; 7-second limit structure, 71-limit concave part and 72-limit convex part.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 20, a preferred embodiment of a quick release slider 100 according to the present invention comprises an upper plate 1 and a lower plate 2;

the bottom of the upper ship board 1 extends downwards to form a lower ship board connecting platform 3;

the lower ship plate 2 comprises a first lower ship plate sub-plate 21 and a second lower ship plate sub-plate 22, and the first lower ship plate sub-plate 21 and the second lower ship plate sub-plate 22 are detachably connected in a separated mode; the end parts of one ends of the first lower board sub-board 21 and the second lower board sub-board 22 are both connected with the lower board connecting platform 3, and at least one of the first lower board sub-board 21 and the second lower board sub-board 22 is rotatably connected with the lower board connecting platform 3.

The lower ship plate 2 comprises a first lower ship plate sub-plate 21 and a second lower ship plate sub-plate 22, the first lower ship plate sub-plate 21 and the second lower ship plate sub-plate 22 are detachably connected, and at least one of the first lower ship plate sub-plate 21 and the second lower ship plate sub-plate 22 is rotatably connected with the lower ship plate connecting platform 3; when the pull head 100 is locked in a specific use process, the first lower ship plate separating plate 21 and the second lower ship plate separating plate 22 can be quickly disassembled, and at least one of the first lower ship plate separating plate 21 and the second lower ship plate separating plate 22 can be in a freely rotatable state, so that a user can conveniently disassemble and maintain the pull head 100, a cloth belt and zipper teeth at any time and any place, and the influence on the normal use of the user is avoided; when the problems of jamming and the like are solved, normal use can be continued only by splicing the first lower board sub-board 21 and the second lower board sub-board 22 together. Therefore, compared with the existing slider, the technical scheme of the invention can realize the dismounting operation of the slider 100 without the help of professional tools, has simple, rapid and convenient whole dismounting process, can realize free dismounting and assembling at any time and any place, avoids influencing normal use, does not damage the slider 100, cloth belts, zipper teeth and the like, does not influence use after being reassembled, and can prolong the service life of the slider 100.

In the embodiment of the present invention, the first lower board subplate 21 and the second lower board subplate 22 are detachably connected by at least one fastening structure 5;

the buckle structure 5 comprises a card slot body 51 and a buckle 52; any one of the slot body 51 and the buckle 52 is arranged at the bottom of the first lower board subplate 21, and the other is arranged at the bottom of the second lower board subplate 22, that is, if the slot body 51 is arranged at the first lower board subplate 21, the buckle 52 is arranged on the second lower board subplate 22, so as to realize the detachable connection between the first lower board subplate 21 and the second lower board subplate 22. The detachable separation connection between the first lower ship plate separating plate 21 and the second lower ship plate separating plate 22 is realized by adopting the buckle structure 5, the practical use and the dismounting operation can be facilitated, and the buckle structure 5 has good stability and low cost.

In the embodiment of the present invention, the number of the fastening structures 5 is two; any one of the buckle structures 5 is arranged in the middle of the other end of the first lower board sub-board 21 and the other end of the second lower board sub-board 22, and the other buckle structure 5 is arranged in the middle of the first lower board sub-board 21 and the second lower board sub-board 22. Through all setting up buckle structure 5 at first board of going down the middle part and the other end of board of going down board of being divided 21 and second board of going down 22, can guarantee that first board of going down is divided 21 and second board of going down and is divided 22 to combine firmly after the concatenation together, and the condition such as not hard up can not appear. Meanwhile, the cost can be reduced, the manufacturing difficulty can be reduced, and the operation convenience can be improved, because the pull head structure is small, if the number of the buckle structures 5 is more than two, the manufacturing difficulty can be greatly improved, and the material cost and the manufacturing cost are also high; and set up two buckle structure 5, the user is convenient for a hand to operate a buckle structure 5 when dismantling, if more than two, it is very inconvenient to dismantle.

In the embodiment of the present invention, the slot bodies 51 and the latches 52 of the two latch structures 5 are arranged in a staggered manner, that is, if the slot body 51 of one of the latch structures 5 is arranged on the first lower board subplate 21, the slot body 51 of the other latch structure 5 is arranged on the second lower board subplate 22, and by arranging the slot bodies 51 and the latches 52 of the two latch structures 5 in a staggered manner, great convenience can be brought to actual disassembly operation, because if there is no staggered arrangement, a user needs to press the same side with both hands during disassembly, and the operation is relatively inconvenient; the clamping groove body 51 and the buckle 52 are both positioned at the edge of the splicing side of the first lower board subplate 21 and the second lower board subplate 22, so that the whole puller 100 is more compact and simpler in structure, and the disassembly and assembly operation is also more convenient.

In the embodiment of the present invention, the end of one end of the first lower board section 21 is formed with a first connection part 2a, and the end of one end of the second lower board section 22 is formed with a second connection part 2 b;

the first connection portion 2a includes a first connection piece 211 and a second connection piece 212; the first connecting piece 211 is arranged at the upper end of the first lower ship board split plate 21, the second connecting piece 212 is arranged at the lower end of the first lower ship board split plate 21, and a connecting piece slot 213 is formed between the first connecting piece and the second connecting piece 212 of the first lower ship board split plate 211; a step surface 31 matched with the second connecting piece 212 is formed on the lower ship board connecting platform 3, so that the first connecting part 2a can be installed and can rotate when needed by matching the step surface 31 with the second connecting piece 212, and the conditions of collision, clamping and the like can not occur in the rotating process when the lower ship board connecting platform needs to rotate;

the second connection portion 2b includes a third connection piece 221 inserted in the connection piece insertion groove 213; the first connecting piece 211, the second connecting piece 212 and the third connecting piece 221 are all circular connecting pieces. Through setting up first connection piece 211, second connection piece 212 and third connection piece 221 and being circular connection piece, can conveniently carry out the rotation operation, guarantee can not appear colliding each other, the condition emergence such as block in rotatory in-process. In the specific implementation of the present invention, the height of the connecting piece slot 213 may be set to be equal to the thickness of the third connecting piece 221, so that after the third connecting piece 221 is inserted into the connecting piece slot 213, the first connecting piece 211 and the second connecting piece 212 can just hold the upper end and the lower end of the third connecting piece 221; meanwhile, the outermost circles of the first connecting piece 211, the second connecting piece 212 and the third connecting piece 221 may be equal in radius, so that after the first lower board subplate 21 and the second lower board subplate 22 are spliced together, the first connecting piece 211, the second connecting piece 212 and the third connecting piece 221 may be just stacked together neatly, and the whole slider 100 may be more compact and simpler in structure.

In the embodiment of the invention, the first connecting part 2a and the second connecting part 2b are connected with the lower ship plate connecting platform 3 through pins 6; a first pin through hole 2111 is formed in the first connecting piece 211, a second pin through hole 2121 is formed in the second connecting piece 212, a third pin through hole 2211 is formed in the third connecting piece 221, and a pin blind hole 311 is formed in the step surface 31; the first pin through hole 2111, the second pin through hole 2121, the third pin through hole 2211 and the pin blind hole 311 are concentric holes, so that the pins 6 can conveniently pass through the concentric holes in sequence. In specific implementation of the present invention, the first pin through hole 2111, the second pin through hole 2121 and the third pin through hole 2211 may have the same aperture, and the apertures of the first pin through hole 2111, the second pin through hole 2121 and the third pin through hole 2211 are slightly larger than the outer diameter of the connecting shaft portion 61 of the pin 6, so as to facilitate the installation of the pin 6 and realize the rotation of the first lower plate sub-plate 21 (when needed) and the second lower plate sub-plate 22; the lower end of the pin 6 can be connected with the pin blind hole 311 in a threaded mode, and the pin 6 is not easy to pull out. During specific installation, the pin 6 sequentially passes through the first pin through hole 2111, the third pin through hole 2211 and the second pin through hole 2121 from top to bottom, and is inserted into the pin blind hole 311.

In addition, in the technical scheme of the invention, the first lower board sub-board 21 and the second lower board sub-board 22 are connected with the lower board connecting table 3 by the pins 6, and the first lower board sub-board 21 and the second lower board sub-board 22 are detachably connected by the buckle structures 5, so that in the specific use process, not only can the first lower board sub-board 21 and the second lower board sub-board 22 be detached and separated, but also the first lower board sub-board 21 and the second lower board sub-board 22 can be detached and separated from the upper board 1, the use is more flexible, and great convenience can be brought to the actual use.

In a preferred embodiment of the present invention, the lower board connecting platform 3 is provided with a first limiting structure 4 for limiting the rotation of the first lower board sub-board 21 and the second lower board sub-board 22 after being spliced, so as to ensure that the first lower board sub-board 21 and the second lower board sub-board 22 cannot rotate after being spliced.

The first limiting structure 4 comprises a limiting boss 41 fixedly arranged at the top of the lower ship plate connecting table 3; a first splicing plane 214 is formed at one spliced side of the first lower ship plate sub-plate 21, and a first limiting groove 215 matched with the limiting boss 41 is formed inwards at the lower part of the first lower ship plate sub-plate 21 from the first splicing plane 214; a second splicing plane 222 is formed at one spliced side of the second lower board sub-board 22, and a second limiting groove 223 matched with the limiting boss 41 is formed inwards on the lower portion of the second lower board sub-board 22 through the second splicing plane 222. When dividing board 21 and the second board of going down to divide the concatenation together with first board of going down, one side of spacing boss 41 can insert in first spacing recess 215, and the opposite side of spacing boss 41 can insert in the spacing recess 223 of second to divide board 21 and the second board of going down to play the effect of restriction to first board of going down divides board 21 and the second board of going down to divide board 22, guarantee that first board of going down divides board 21 and the second board of going down to divide board 22 can't rotate after the concatenation. Meanwhile, after the first lower board subplate 21 and the second lower board subplate 22 are spliced together, the first splicing plane 214 and the second splicing plane 222 are attached together, so that no gap exists between the first lower board subplate 21 and the second lower board subplate 22.

According to the invention, the first limiting structure 4 is arranged on the lower ship plate connecting table 3, so that when the first lower ship plate split plate 21 and the second lower ship plate split plate 22 are in an un-spliced state in specific use, the first lower ship plate split plate 21 and the second lower ship plate split plate 22 are in a free rotation state, and the puller 100, a cloth belt and chain teeth can be more conveniently detached and maintained; and when first lower board divides board 21 and second lower board to divide board 22 to be in the concatenation state, first limit structure 4 can divide board 21 and second lower board to divide and divide board 22 to restrict to first lower board, guarantees that first lower board divides board 21 and second lower board to divide board 22 can't rotate under the concatenation state, avoids influencing the normal use of pull head 100.

In a preferred embodiment of the present invention, a first plane 411 is formed at the upper end of the limiting boss 41, and second planes 412 are formed at both sides of the limiting boss 41; a third plane 413 is formed in the middle of each of the two ends of the limiting boss 41, and abdicating inclined planes 414 are formed at the two ends of the limiting boss 41 on the two sides of the third plane 413; since the first lower board subplate 21 and the second lower board subplate 22 are rotatably separated or rotatably spliced with the pin 6 as the center, the receding inclined planes 414 are formed on the two sides of the two ends of the limit boss 41, so that the first limit groove 215 and the second limit groove 223 can be smoothly inserted into or separated from the two sides of the limit boss 41 in the process of rotatably splicing or rotatably separating, and the situations of collision, clamping and the like can not occur;

a fourth plane 2151 jointed with the second plane 412 after being spliced is formed on the inner side of the first limiting groove 215, a fifth plane 2152 jointed with the first plane 411 is formed at the top of the first limiting groove 215, and sixth planes 2153 jointed with the third plane 413 after being spliced are formed on two sides of the first limiting groove 215;

a seventh plane 2231 jointed with the second plane 412 after being spliced is formed on the inner side of the second limiting groove 223, an eighth plane 2232 jointed with the first plane 411 is formed on the top of the second limiting groove 223, and ninth planes 2233 jointed with the third plane 413 after being spliced are formed on two sides of the second limiting groove 223. Through the design of the invention, after the first lower board subplate 21 and the second lower board subplate 22 are spliced together, one side of the limit boss 41 can be tightly matched and clamped with the first limit groove 215, and the other side of the limit boss 41 can be tightly matched and clamped with the second limit groove 223, so that the firmness and stability of the spliced first lower board subplate 21 and the spliced second lower board subplate 22 can be improved, and the spliced first lower board subplate 21 and the spliced second lower board subplate 22 cannot move.

Referring to fig. 17 to 20, in another preferred embodiment of the present invention, a second limiting structure 7 is disposed on the lower board connecting platform 3 for limiting the rotation of the first lower board sub-board 21, so as to ensure that the first lower board sub-board 21 and the second lower board sub-board 22 cannot rotate in the spliced state;

the second limiting structure 7 comprises a limiting concave part 71 arranged on the lower boat board connecting platform 3 and a limiting convex part 72 arranged at the bottom of the first connecting part 2a and used for matching with the limiting concave part 71, when the concrete implementation is realized, the limiting concave part 71 can be arranged on the step surface 31, and the limiting concave part 71 is formed by outwards extending a pin blind hole 311, so that the first lower boat board sub-board 21 can be conveniently connected with the lower boat board connecting platform 3; or the second limiting structure 7 comprises a limiting convex part 72 arranged on the lower boat board connecting platform 3 and a limiting concave part 71 arranged at the bottom of the first connecting part 2a and used for matching with the limiting convex part 72, when the concrete implementation is realized, the limiting convex part 72 can be arranged on the step surface 31, and the limiting convex part 72 is formed by extending the top of the pin blind hole 311 outwards, so that the first lower boat board sub-board 21 can be connected with the lower boat board connecting platform 3 conveniently. In the specific implementation of the present invention, a first splicing plane 214 is formed on one spliced side of the first lower board section 21, and a second splicing plane 222 is formed on one spliced side of the second lower board section 22, so that after the first lower board section 21 and the second lower board section 22 are spliced together, the first splicing plane 214 and the second splicing plane 222 are attached together, so that no gap exists between the first lower board section 21 and the second lower board section 22.

According to the invention, the second limiting structure 7 is arranged on the lower ship plate connecting platform 3, so that when in specific use, when the first lower ship plate sub-plate 21 and the second lower ship plate sub-plate 22 are in an un-spliced state, the first lower ship plate sub-plate 21 cannot rotate under the action of the second limiting structure 7, but the second lower ship plate sub-plate 22 is in a freely rotatable state, so that the pull head 100, the cloth belt and the chain teeth can be disassembled and maintained; and when first lower board divides board 21 and second lower board to divide board 22 to be in the concatenation state, because first lower board divides board 21 to be spacing unable rotation by second limit structure 7, and second lower board divides board 22 again with first lower board divides board 21 concatenation together, consequently first lower board divides board 21 and second lower board to divide board 22 all unable rotation, can avoid influencing the normal use of pull head 100.

In another preferred embodiment of the present invention, an end of one end of the first lower board divided board 21 is fixedly connected to the lower board connecting platform 3, and a connecting piece slot 213 is formed on an end of one end of the first lower board divided board 21; the end part of one end of the first lower ship plate sub-plate 21 can be fixedly connected with the lower ship plate connecting table 3 in an integrated forming, bonding and other modes;

the end part of one end of the second lower board subplate 22 is provided with a third connecting piece 221 inserted in the connecting piece slot 213; the third connecting piece 221 is a round connecting piece, so that the rotating operation is convenient;

the third connecting piece 221 is connected with the end of one end of the first lower board section 21 through a pin 6. The top of first deck plating divides 21 one end to set up the pin mounting hole (not shown) that extends to deck plating link 3, third pin through-hole 2211 has been seted up on the third connection piece 221, pin mounting hole and third pin through-hole 2211 are the concentric hole to pin 6 passes. The lower end of the pin 6 can be connected with the lower end of the pin mounting hole in a threaded mode, and the pin 6 is not easy to pull out.

In the further preferred embodiment, since the first lower board subplate 21 is fixedly connected with the lower board connecting table 3, the second lower board subplate 22 is rotatably connected with the end of the first lower board subplate 21 by the pin 6; therefore, when the first lower board divided plate 21 and the second lower board divided plate 22 are in an unjointed state in specific use, although the first lower board divided plate 21 is fixed and can not rotate, the second lower board divided plate 22 is in a freely rotatable state, so that the puller 100, the cloth belt and the zipper teeth can be detached and maintained; when the first lower board split plate 21 and the second lower board split plate 22 are in a splicing state, the first lower board split plate 21 is fixed and cannot rotate, and the second lower board split plate 22 is spliced with the first lower board split plate 21, so that the second lower board split plate 22 cannot rotate, and the influence on the normal use of the slider 100 can be avoided. In addition, because the second lower board subplate 22 is connected with the first lower board subplate 21 through the pin 6, in the specific use process, the second lower board subplate 22 can also be detached, the use is more flexible, and great convenience can be brought to the actual use.

It should be noted that, in the specific implementation of the present invention, only one of the above three preferred embodiments is adopted for the same slider 100, that is, if a slider 100 adopts the first limiting structure 4, the second limiting structure 7 and the manner of fixing the first lower deck split plate 21 and the lower deck connecting platform 3 are not adopted; similarly, if the second limiting structure 7 is adopted, the first limiting structure 4 and the mode of fixing the first lower ship plate separating plate 21 and the lower ship plate connecting table 3 are not adopted any more; if the first lower ship plate separating plate 21 is fixedly connected with the lower ship plate connecting platform 3, the limit mode of the first limit structure 4 and the second limit structure 7 is not adopted.

In the embodiment of the present invention, the latch 52 includes two latch portions 52a symmetrically disposed and engaged with each other; the two buckling parts 52a are arranged at intervals, so that the two buckling parts 52a can bend towards the middle to deform in the buckling process;

the fastening part 52a comprises a fastening block 521 and a connecting block 522, one end of the connecting block 522 is fixedly connected with the first lower board subplate 21 or the second lower board subplate 22, the other end of the connecting block 522 is fixedly connected with the fastening block 521, and a fastening step 523 is formed between the connecting block 522 and the fastening block 521, so that the fastening purpose is realized by using the fastening step 523; the step surface of the fastening step 523 is an inclined surface, so that the fastening step 523 can be firmly fastened with the card slot body 51 after being fastened, and the buckle 52 cannot automatically disengage from the card slot body 51 under the condition of no external force; a pressing inclined surface 524 is formed on the outer side of the front end of the latch 521, so that the latch 521 can be conveniently pressed inwards to release in the dismounting process through the pressing inclined surface 524, and the fastening operation can be conveniently performed;

an extending groove 511 is formed at one end of the card slot body 51 close to the buckle 52; arc-shaped concave parts 512 are formed on two sides of the card slot body 51, and protruding grooves 513 for the fixture blocks 52 to protrude are formed on wall surfaces of the arc-shaped concave parts 512. During the fastening operation, the latch 521 of the two fastening portions 52a is inserted into the insertion groove 511, and the latch 521 is pushed inward, during which the connecting block 522 is bent toward the middle under the action of the pressing inclined surface 524 of the latch 521 to deform, so that the entire latch 521 can be inserted into the insertion groove 511; when the latch 521 is pushed inward to the position of the protruding groove 513, the connecting block 522 is restored outward, the latch 521 protrudes from the protruding groove 513 and the fastening step 523 is fastened on the end wall of the protruding groove 513, so that fastening is realized; when the disassembly operation is performed, the pressing inclined planes 524 on the two sides are pressed inwards by force application, the connecting block 522 is bent towards the middle to generate deformation, so that the fastening step 523 is separated from the extending groove 513, and the buckling part 52a is pulled outwards to realize the tripping disassembly, so that the whole operation process is simple, convenient and quick.

In the embodiment of the present invention, the first lower board section 21 and the second lower board section 22 are symmetrically disposed except for the first connecting portion 2a and the second connecting portion 2b, that is, the splicing line of the first lower board section 21 and the second lower board section 22 is exactly coincident with the central line of the lower board 2. The first lower board separating plate 21 and the second lower board separating plate 22 are symmetrically arranged, so that the structure of the whole pull head 100 is more attractive, splicing and disassembling operations are convenient, and the arrangement of the first limiting structure 4 is convenient.

In the embodiment of the invention, the lower boat deck connecting platform 3 is used as a zipper dividing column, and zipper dividing inclined planes 32 for matching with a zipper to realize a zipper dividing effect are formed on two sides of the lower boat deck connecting platform 3; that is to say, the lower ship plate connecting table 3 designed by the invention can simultaneously realize the functions of chain separation, limiting, rotating connection, supporting and the like, and has simple integral structure and easy realization. The outer end of the lower boat board connecting platform 3 is provided with an arc-shaped end face 33, so that the zipper or the hands of an operator can not be scratched in the using process.

In the embodiment of the invention, a first baffle 216 is arranged on the outer side of the first lower ship board component 21, a second baffle 224 is arranged on the outer side of the second lower ship board component 22, third baffles 11 are arranged on two sides of the bottom of the upper ship board 1, and the zipper teeth of the zipper are blocked in the slider 100 through the cooperation of the first baffle 216 and the third baffles 11 and the cooperation of the second baffle 224 and the third baffles 11.

In the embodiment of the invention, the top of the boarding plate 1 is provided with a trunk head 12 to facilitate the pull-in and pull-out operation of the pull head 100.

In the embodiment of the present invention, the upper deck 1 and the lower deck 2 may be made of a plastic material, and the pin 6 may be made of a metal material. In specific implementation, the upper board 1, the first lower board split plate 21 and the second lower board split plate 22 are all separately injection-molded, the pins 6 are also separately cast-molded, and then the upper board 1, the first lower board split plate 21, the second lower board split plate 22 and the pins 6 are assembled to obtain the slider 100.

The present invention is a preferred embodiment of a zipper that uses the slider 100 described above. Adopt foretell pull head 100 through the design zip fastener for the zip fastener is at the in-process that uses, when the circumstances such as pull head 100 card is dead appearing, can just realize pull head 100's dismouting operation under the circumstances with the help of professional utensil, and whole dismouting process is simple, fast, and convenient, can realize freely dismantling and assembling anytime and anywhere, can not cause pull head 100 simultaneously, the strap, damage such as chain tooth, can not influence the use after the reassembly yet, can bring a great deal of convenience for the in-service use of zip fastener, and promote pull head 100, the life of zip fastener etc..