CN112006381A

CN112006381A - Anti-blocking method of anti-blocking zipper

Info

Publication number: CN112006381A
Application number: CN202010742610.4A
Authority: CN
Inventors: 苏静
Original assignee: Dongguan Songyan Zhida Industrial Design Co Ltd
Current assignee: Dongguan Songyan Zhida Industrial Design Co Ltd
Priority date: 2018-05-11
Filing date: 2018-05-11
Publication date: 2020-12-01
Also published as: CN108477767A; CN108477767B

Abstract

The invention discloses an anti-blocking method of an anti-blocking zipper; an anti-seize method of an anti-seize slide fastener is characterized in that: the zipper comprises an upper zipper locking plate, an arched hook, a pulling piece, a sliding block, a zipper dividing tooth block, a lower zipper locking plate, a first sawtooth block, a first guide strip, a second guide strip, a first gear, a first guide groove, a sliding groove, a connecting strip, a first driving rod, a first driving block and a first connecting plate, wherein if a zipper head on clothes is clamped into a zipper head and a zipper tooth belt in the using process of the zipper designed by the invention, the clamped zipper head can be cut off through the first sawtooth block and the second sawtooth block; thereby preventing the zipper from being stuck in the using process and bringing inconvenience to the life of people.

Description

Anti-blocking method of anti-blocking zipper

Technical Field

The invention belongs to the technical field of zippers, and particularly relates to an anti-blocking method of an anti-blocking zipper.

Background

The zipper head generally comprises an upper lock plate, a lower lock plate and a zipper pull, wherein the upper lock plate is connected with the lower lock plate through zipper teeth, the upper lock plate is provided with a pull lug, and the zipper pull is connected with the upper lock plate through the pull lug. The zipper head on the market at present, except that the pulling-on piece is detachable, and draw zipper head main part, including last jam plate, lower jam plate and branch sprocket promptly, be integrated into one piece. When people use the zipper, the thread end on the clothes is often carelessly clamped in the zipper head and the zipper tooth belt, so that the zipper is clamped. Because the zipper head main body is integrally formed, people are difficult to restore the zipper to be normal by bare hands, and even the zipper is often damaged by excessive force, which brings great inconvenience to the life of people.

The invention designs an anti-blocking method of an anti-blocking zipper, which solves the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses an anti-blocking method of an anti-blocking zipper, which is realized by adopting the following technical scheme.

An anti-seize method of an anti-seize slide fastener is characterized in that: the zipper comprises an upper zipper locking plate, an arched hook, a pulling piece, a sliding block, a zipper dividing tooth block, a lower zipper locking plate, a first sawtooth block, a first guide strip, a second guide strip, a first gear, a first guide groove, a sliding groove, a connecting strip, a first driving rod, a first driving block, a first connecting plate, a rack, a first mounting groove, a second mounting groove, a third guide groove, a fourth guide groove, a fifth guide groove, a third mounting groove, a first driving toothed plate, a first gear shaft, a first return spring, a guide strip, a triggering connecting rod, a first triggering block, a sixth guide groove, a first guide block, a second driving rod, a triggering groove, a first driving rod hole, a second sawtooth block, a second gear, a second driving toothed plate, a fourth mounting groove, a guide opening, a first guide groove, a seventh guide groove, a second guide groove, a third gear, a fourth gear, a third driving rod, a second triggering block, a fifth gear, a second connecting plate, a zipper upper sliding block, a first toothed block, a second toothed bar, The zipper comprises a third connecting plate, a rack plate, a sixth gear, a third driving toothed plate, a second gear shaft, an annular limiting guide block, a fourth driving toothed plate, a third gear shaft, a second return spring, a fourth driving rod, a second driving rod hole, a third guide groove, a fixed block and a fixed rod, wherein two symmetrical first guide strips are mounted on the upper side surface of one end of a lower zipper locking plate; a third guide groove is formed in the front side face of the other end of the lower zipper locking plate; two fourth guide grooves are symmetrically formed in the upper side surface and the lower side surface of one end, close to the edge, in the third guide groove; a second mounting groove is formed in the upper side face of the third guide groove; the upper side of the second mounting groove is provided with a first mounting groove communicated with the upper side surface of the lower lock plate of the zipper; a third mounting groove is formed in one side of the first mounting groove; the third mounting groove is communicated with the second mounting groove; and a fifth guide groove is formed in the lower side surface of one end of the second mounting groove.

A fourth mounting groove is formed in the inner side of the chain dividing tooth block; two symmetrical guide openings are formed in the upper side face and the lower side face of the fourth mounting groove; two seventh guide grooves are symmetrically formed in the two side faces of the chain dividing tooth block; one side of each of the two seventh guide grooves is provided with a first guide groove; one side of each of the two first guide grooves is provided with a second guide groove; a third guide groove is formed in the other side of each of the two seventh guide grooves; the two third guide grooves are correspondingly matched with the two first guide grooves one by one; the zipper dividing tooth block is arranged on the upper side surface of one end of the lower lock plate of the zipper, which is provided with the third guide groove.

A sliding groove is arranged on the upper lock plate of the zipper; a first guide groove is formed in the lower side of the sliding groove; two second guide strips are symmetrically arranged on the lower side surface of one end of the zipper upper lock plate; the zipper upper lock plate is arranged on the upper side surface of the zipper dividing tooth block; the two second guide strips are far away from the zipper dividing tooth block and are correspondingly matched with the two first guide strips arranged on the lower lock plate of the zipper one by one; the bow-shaped hook is arranged on the upper side surface of the upper lock plate of the zipper; the sliding block is arranged on the zipper upper lock plate through the matching with a sliding groove formed on the zipper upper lock plate; one end of the pulling piece is provided with a support lug; the pulling piece is arranged on the sliding block through a revolute pair between the support lug and the sliding block on the pulling piece, and the support lug on the pulling piece is matched with the bow-shaped hook; one end of the connecting strip is arranged at the lower side of the sliding block, and the connecting strip is matched with a first guide groove on the zipper upper lock plate; one side of the first driving rod is provided with two through shaft holes; one end of the first driving rod is arranged on the lower side of the other end of the connecting bar, and the other end of the first driving rod penetrates through the two guide openings in the chain dividing tooth block and is positioned on the lower side of the chain dividing tooth block; a sixth guide groove is formed in the first driving block; the first driving block is arranged at the lower side of the first driving rod; the first connecting plate is arranged on one side of the first driving block; the first driving block and the first connecting plate are matched with a first mounting groove formed in the lower zipper locking plate; the rack is arranged on the lower side of the first connecting plate; the rack is matched with a third mounting groove formed in the lower zipper locking plate; the first gear shaft is arranged in a third guide groove formed in the lower zipper locking plate; the first gear is arranged on the first gear shaft; the first gear is meshed with the rack; the first driving toothed plate is arranged in a third guide groove formed in the lower zipper locking plate through a linear bearing; the first driving toothed plate is meshed with the first gear; the two second driving rods are symmetrically arranged at two ends of one side of the first driving toothed plate; one side of the first sawtooth block is provided with teeth; two first driving rod holes are symmetrically formed in the other side of the first sawtooth block; a trigger groove is formed in one side, provided with a first driving rod hole, of the first sawtooth block; two guide bars are symmetrically arranged on the upper side surface and the lower side surface of the first sawtooth block; the first sawtooth block is arranged in the lower zipper locking plate through the matching of the two guide strips and a fourth guide groove formed in the lower zipper locking plate; the first sawtooth block is matched with a third guide groove formed in the lower lock plate of the zipper; two first driving rod holes formed in the first sawtooth block are matched with the two first driving rods; two symmetrical first return springs are arranged between the first driving toothed plate and the first toothed block; the two first return springs are nested outside the two first driving rods; one end of the trigger connecting rod is provided with a first guide block; the trigger connecting rod is arranged on the lower side of the first driving block through the matching of the guide block and a sixth guide groove formed in the first driving block; the triggering connecting rod penetrates through a fifth guide groove formed in the lower zipper locking plate; the other end of the trigger connecting rod is provided with a first trigger block; the first trigger block is provided with an inclined plane; the first trigger block is matched with a trigger groove formed in the first sawtooth block through an inclined plane on the first trigger block.

The mounting structures on two sides of the first driving rod in the chain dividing gear block are completely the same; for one part of the two-part structure arranged on the two sides of the first driving rod, the third driving toothed plate is arranged on one side of the first driving rod; the third gear shaft is arranged in a fourth mounting groove formed in the chain dividing tooth block; one end of the third gear is provided with bevel teeth; the third gear is arranged on a third gear shaft; the third gear is meshed with the third driving gear plate; one end of the second gear shaft is arranged on the side surface in a fourth mounting groove formed in the chain dividing tooth block; one end of the fourth gear is provided with bevel teeth; the fourth gear is arranged on the second gear shaft; the fourth gear is meshed with the bevel gear on the third gear through the bevel gear on the fourth gear; the second gear is arranged on the second gear shaft; one side of the second driving toothed plate is mounted in a fourth mounting groove formed in the chain dividing toothed block through a linear bearing; one end of the fourth driving rod is arranged at the upper end and the lower end of one side of the second driving toothed plate; one end of the second sawtooth block is provided with teeth; the other end of the second sawtooth block is symmetrically provided with two second driving rod holes; the second sawtooth block is arranged in the chain dividing tooth block through the matching with a seventh guide groove formed in the chain dividing tooth block; two second driving rod holes on the second sawtooth block are matched with two fourth driving rods arranged on the second driving toothed plate; two second return springs are arranged between the second driving toothed plate and the second toothed block; and the two second return springs are nested at the outer sides of the two fourth driving rods.

The third driving rod is arranged on the first driving rod through the matching with one of the two shaft holes formed on the first driving rod; one end of the annular limiting guide block is arranged on the lower side surface of a fourth mounting groove formed in the chain dividing tooth block; the fourth driving toothed plate is arranged on the third driving rod, and one end of the fourth driving toothed plate is nested inside the annular limiting guide block; the fixed block is arranged in a fourth mounting groove formed in the chain dividing tooth block through a fixed rod; one end of the sixth gear is provided with bevel teeth; the sixth gear is arranged on one side of the fixed block through a rotating shaft; the sixth gear is meshed with the fourth driving toothed plate; one end of the fifth gear is provided with bevel teeth; the fifth gear is arranged on the other side of the fixed block through a rotating shaft; the fifth gear is meshed with the bevel gear on the sixth gear through the bevel gear on the fifth gear; one end of the rack plate is arranged at one end of the third connecting plate; one end of the second connecting plate is arranged at the other end of the third connecting plate; one end of the second trigger block is arranged at the other end of the second connecting plate; the second trigger block is provided with an inclined plane; the rack plate is arranged on the inner side of the chain dividing tooth block through the matching of a third connecting plate and a second connecting plate with a first guide groove, a second guide groove and a third guide groove which are formed on the chain dividing tooth block; the third connecting plate is matched with the second guide groove; the second connecting plate is matched with the first guide groove; the second trigger block is matched with the third guide groove.

In the initial state, one end of the first trigger block, which is not provided with the inclined plane, is in contact with the first driving toothed plate.

As a further improvement of the present technology, the first driving toothed plate is in a stationary state along the third guide groove direction.

As a further improvement of the technology, the depth of the first driving rod hole is 1.5 times of the width of the fourth guide groove formed on the lower lock plate of the zipper.

As a further improvement of this technique, the second driving toothed plate is in a stationary state along the third guide groove direction.

As a further improvement of the technology, the depth of the second driving rod hole is 2 times of the width of a seventh guide groove formed in the chain dividing tooth block.

The third driving toothed plate is arranged on one side of the first driving rod; the third gear shaft is arranged in a fourth mounting groove formed in the chain dividing tooth block; the third gear is arranged on a third gear shaft; the third gear is meshed with the third driving gear plate; one end of the second gear shaft is arranged on the side surface in a fourth mounting groove formed in the chain dividing tooth block; the fourth gear is arranged on the second gear shaft; the fourth gear is meshed with the bevel gear on the third gear through the bevel gear on the fourth gear; the second gear is arranged on the second gear shaft; one side of the second driving toothed plate is mounted in a fourth mounting groove formed in the chain dividing toothed block through a linear bearing; one end of the fourth driving rod is arranged at the upper end and the lower end of one side of the second driving toothed plate; one end of the second sawtooth block is provided with teeth; the second sawtooth block is arranged in the chain dividing tooth block through the matching with a seventh guide groove formed in the chain dividing tooth block; two second driving rod holes on the second sawtooth block are matched with two fourth driving rods arranged on the second driving toothed plate; two second return springs are arranged between the second driving toothed plate and the second toothed block; the third driving rod is arranged on the first driving rod through the matching with one of the two shaft holes formed on the first driving rod; one end of the annular limiting guide block is arranged on the lower side surface of a fourth mounting groove formed in the chain dividing tooth block; the fourth driving toothed plate is arranged on the third driving rod, and one end of the fourth driving toothed plate is nested inside the annular limiting guide block; the fixed block is arranged in a fourth mounting groove formed in the chain dividing tooth block through a fixed rod; the sixth gear is arranged on one side of the fixed block through a rotating shaft; the sixth gear is meshed with the fourth driving toothed plate; the fifth gear is arranged on the other side of the fixed block through a rotating shaft; the fifth gear is meshed with the bevel gear on the sixth gear through the bevel gear on the fifth gear; one end of the rack plate is arranged at one end of the third connecting plate; one end of the second connecting plate is arranged at the other end of the third connecting plate; one end of the second trigger block is arranged at the other end of the second connecting plate; the second trigger block is provided with an inclined plane; the rack plate is arranged on the inner side of the chain dividing tooth block through the matching of a third connecting plate and a second connecting plate with a first guide groove, a second guide groove and a third guide groove which are formed on the chain dividing tooth block; the third connecting plate is matched with the second guide groove; the second connecting plate is matched with the first guide groove; the second trigger block is matched with the third guide groove; when the first driving rod moves upwards, the first driving rod drives the third driving rod to move upwards; the third driving rod moves upwards to drive the fourth driving toothed plate to move upwards; the fourth driving toothed plate moves upwards to enable the sixth gear to rotate; the sixth gear rotates to drive the fifth gear to rotate; the fifth gear rotates to move the rack plate toward the side where the corresponding third connecting plate is installed; the rack plate moves to drive the third connecting plate to move; the third connecting plate moves to drive the second connecting plate to move; the second connecting plate moves to drive the second trigger block to move; the second driving toothed plate is in a static state along the direction of the third guide groove; therefore, under the action of the upper inclined plane of the second trigger block, the second trigger block moves to enable the second sawtooth block to move towards the outer side of the chain dividing tooth block; moving the second sawtooth block out of the outer side of the branch chain tooth block; when the first driving rod moves back and forth, the first driving rod can drive the third driving toothed plate to move; the third gear is rotated by the movement of the third driving gear plate; the third gear rotates to drive the fourth gear to rotate; the fourth gear rotates to drive the second gear shaft to rotate; the second gear shaft rotates to drive the second gear to rotate; the second gear wheel rotates to drive the second driving gear plate to move up and down; the second driving toothed plate moves up and down to drive the fourth driving rod to move up and down; the fourth driving rod moves up and down to drive the second sawtooth block to move up and down. The annular limiting guide block has the function of preventing the first driving bar from driving the fourth driving toothed plate to move back and forth through friction between the first driving bar and the third driving bar when the first driving bar moves back and forth; thereby affecting the transmission between the fourth driving plate and the sixth gear; the depth of the second driving rod hole is 2 times of the width of a seventh guide groove formed in the chain dividing toothed block, and the second driving rod hole has the function of preventing the second toothed block from being separated from the fourth driving rod in the moving process to influence the second driving toothed plate to drive the second toothed block; the second return spring plays a role in returning the second sawtooth block.

Compared with the traditional zipper technology, the zipper designed by the invention can cut off the dead thread end through the first sawtooth block and the second sawtooth block if the thread end on the clothes is clamped into the zipper head and the zipper toothed belt in the using process; thereby preventing the zipper from being stuck in the using process and bringing inconvenience to the life of people.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic view of the overall component distribution.

Fig. 3 is a schematic plan view of the internal structural distribution of the integral component.

Fig. 4 is a schematic view of the internal structural distribution of the integral component.

Fig. 5 is a schematic view of a pull tab installation.

FIG. 6 is a schematic view showing an upper lock plate structure of the slide fastener.

Fig. 7 is a schematic view of the attachment strip installation.

Fig. 8 is a schematic view of the first drive rod installation.

Figure 9 is a first drive block mounting schematic.

FIG. 10 is a schematic view of the structure of the lower lock plate of the slide fastener.

FIG. 11 is a schematic view showing the inner structure of the lower lock plate of the slide fastener.

Fig. 12 is a schematic view of a third channel distribution.

FIG. 13 is a schematic view of a first serration block installation.

Fig. 14 is a schematic view of the bar installation.

Figure 15 is a schematic view of the trigger linkage installation.

Fig. 16 is a schematic view of the first connector board installation.

Fig. 17 is a schematic view of a sixth channel distribution.

Fig. 18 is a schematic view of the first guide block installation.

FIG. 19 is a first return spring installation schematic.

FIG. 20 is a schematic view of the first sawtooth block and the first trigger block in cooperation.

Fig. 21 is a schematic view of a first sawtooth block structure.

Fig. 22 is a second drive rod mounting schematic.

Fig. 23 is an installation schematic diagram of the internal structure of the chain-dividing tooth block.

Fig. 24 is a plan view of the internal structure of the sprocket block.

Fig. 25 is a schematic view of the distribution of the internal structure of the chain-dividing tooth block.

Fig. 26 is a schematic structural view of a sprocket block.

Fig. 27 is a schematic view of the distribution of the third guide grooves.

Fig. 28 is a second drive rod mounting schematic.

Fig. 29 is a schematic view of the internal structure of the chain-dividing tooth block.

Fig. 30 is a third drive rod mounting schematic.

Fig. 31 is a second gear mounting schematic.

FIG. 32 is a second saw tooth block mounting schematic.

Fig. 33 is a second return spring installation schematic.

Number designation in the figures: 1. a zipper is provided with a locking plate; 2. an arched hook; 3. a pull tab; 4. a slider; 5. a chain splitting tooth block; 6. a zipper lower lock plate; 7. a first sawtooth block; 8. a first guide bar; 9. a second guide bar; 10. a first gear; 11. a first guide groove; 12. a chute; 13. a connecting strip; 14. a first drive lever; 16. a first driving block; 17. a first connecting plate; 18. a rack; 19. a first mounting groove; 20. a second mounting groove; 21. a third guide groove; 22. a fourth guide groove; 23. a fifth guide groove; 24. a third mounting groove; 25. a first driving toothed plate; 26. a first gear shaft; 27. a first return spring; 28. conducting bars; 29. triggering the connecting rod; 30. a first trigger block; 31. a sixth guide groove; 32. a first guide block; 33. a second drive lever; 34. a trigger slot; 35. a first drive rod bore; 36. a second sawtooth block; 37. a second gear; 38. a second driving toothed plate; 39. a fourth mounting groove; 40. a guide port; 41. a first guide groove; 42. a seventh guide groove; 43. a second guide groove; 44. a third gear; 45. a fourth gear; 46. a third drive lever; 47. a second trigger block; 48. a fifth gear; 49. a second connecting plate; 50. a third connecting plate; 51. a rack plate; 52. a sixth gear; 53. a third driving toothed plate; 54. a second gear shaft; 55. an annular limiting guide block; 56. a fourth driving toothed plate; 57. a third gear shaft; 58. a second return spring; 59. a fourth drive lever; 60. a second drive rod bore; 61. a third guide groove; 62. a fixed block; 63. and (5) fixing the rod.

Detailed Description

As shown in fig. 1 and 2, the zipper comprises an upper zipper locking plate 1, an arched hook 2, a pull tab 3, a sliding block 4, a zipper teeth separating block 5, a lower zipper locking plate 6, a first toothed block 7, a first guide strip 8, a second guide strip 9, a first gear 10, a first guide slot 11, a sliding slot 12, a connecting strip 13, a first driving rod 14, a first driving block 16, a first connecting plate 17, a rack 18, a first mounting slot 19, a second mounting slot 20, a third guide slot 21, a fourth guide slot 22, a fifth guide slot 23, a third mounting slot 24, a first driving toothed plate 25, a first gear shaft 26, a first return spring 27, a guide strip 28, a trigger connecting rod 29, a first trigger block 30, a sixth guide slot 31, a first guide block 32, a second driving rod 33, a trigger slot 34, a first driving rod hole 35, a second toothed block 36, a second gear 37, a second toothed plate 38, a fourth mounting slot 39, a guide hole 40, A first guide groove 41, a seventh guide groove 42, a second guide groove 43, a third gear 44, a fourth gear 45, a third drive rod 46, a second trigger block 47, a fifth gear 48, a second connecting plate 49, a third connecting plate 50, a rack plate 51, a sixth gear 52, a third drive toothed plate 53, a second gear shaft 54, an annular limit guide block 55, a fourth drive toothed plate 56, a third gear shaft 57, a second return spring 58, a fourth drive rod 59, a second drive rod hole 60, a third guide groove 61, a fixed block 62 and a fixed rod 63, wherein as shown in fig. 10, two symmetrical first guide bars 8 are mounted on the upper side surface of one end of the zipper lower lock plate 6; as shown in fig. 11, the front side surface of the other end of the lower zipper locking plate 6 is provided with a third guide groove 21; as shown in fig. 12, two fourth guide grooves 22 are symmetrically formed on the upper and lower side surfaces of one end of the third guide groove 21 near the edge; the upper side surface of the third guide groove 21 is provided with a second mounting groove 20; the upper side of the second mounting groove 20 is provided with a first mounting groove 19 communicated with the upper side surface of the zipper lower locking plate 6; a third mounting groove 24 is formed in one side of the first mounting groove 19; the third mounting groove 24 is communicated with the second mounting groove 20; a fifth guide groove 23 is formed on a lower side surface of one end of the second mounting groove 20.

As shown in fig. 26, a fourth mounting groove 39 is formed on the inner side of the sprocket block 5; two symmetrical guide openings 40 are formed on the upper side surface and the lower side surface of the fourth mounting groove 39; two seventh guide grooves 42 are symmetrically formed in the two side faces of the chain dividing tooth block 5; one side of each of the two seventh guide grooves 42 is provided with a first guide groove 41; as shown in fig. 27, one side of each of the two first guide grooves 11 is provided with a second guide groove 43; the other sides of the two seventh guide grooves 42 are both provided with a third guide groove 61; the two third guide grooves 61 are correspondingly matched with the two first guide grooves 41 one by one; the zipper teeth dividing block 5 is installed on the upper side surface of one end of the zipper lower lock plate 6 provided with the third guide groove 21.

As shown in fig. 6, the slide groove 12 is opened on the upper lock plate 1 of the slide fastener; a first guide groove 11 is formed at the lower side of the sliding groove 12; two second guide strips 9 are symmetrically arranged on the lower side surface of one end of the zipper upper lock plate 1; as shown in fig. 3, the upper zipper lock plate 1 is mounted on the upper side of the split teeth block 5; the two second guide strips 9 are far away from the zipper dividing tooth block 5, and the two second guide strips 9 are correspondingly matched with the two first guide strips 8 arranged on the lower zipper locking plate 6 one by one; as shown in fig. 4, the arcuate hook 2 is mounted on the upper side of the upper locking plate 1 of the slide fastener; the sliding block 4 is arranged on the zipper upper lock plate 1 through the matching with a sliding groove 12 formed on the zipper upper lock plate 1; as shown in fig. 5, one end of the pull tab 3 has an ear; the pulling piece 3 is arranged on the sliding block 4 through a revolute pair between a support lug on the pulling piece and the sliding block 4, and the support lug on the pulling piece 3 is matched with the bow-shaped hook 2; as shown in fig. 7, one end of the connecting bar 13 is installed at the lower side of the sliding block 4, and the connecting bar 13 is engaged with the first guide groove 11 of the upper locking plate 1 of the slide fastener; as shown in fig. 9, one side of the first driving rod 14 is provided with two through shaft holes; one end of the first driving rod 14 is installed at the lower side of the other end of the connecting bar 13, as shown in fig. 8, and the other end of the first driving rod 14 passes through two guide openings 40 on the sprocket block 5 and is located at the lower side of the sprocket block 5; as shown in fig. 17, the first driving block 16 is provided with a sixth guide groove 31; the first driving block 16 is provided with a sixth guide groove 31; a first drive block 16 is mounted on the underside of the first drive rod 14; the first connecting plate 17 is installed at one side of the first driving block 16; the first driving block 16 and the first connecting plate 17 are matched with a first mounting groove 19 formed on the lower zipper locking plate 6; as shown in fig. 15, the rack gear 18 is mounted on the lower side of the first connecting plate 17; the rack 18 is matched with a third mounting groove 24 formed on the lower zipper locking plate 6; as shown in fig. 13, the first gear shaft 26 is installed in the third guide groove 21 opened on the zipper lower lock plate 6; as shown in fig. 14, the first gear 10 is mounted on a first gear shaft 26; the first gear 10 is meshed with the rack 18; the first driving toothed plate 25 is installed in a third guide groove 21 formed on the lower zipper locking plate 6 through a linear bearing; the first driving toothed plate 25 meshes with the first gear 10; as shown in fig. 22, two second driving levers 33 are symmetrically installed at both ends of one side of the first driving toothed plate 25; as shown in fig. 19, one side of the first serration block 7 has teeth; the other side of the first sawtooth block 7 is symmetrically provided with two first driving rod holes 35; as shown in fig. 21, a trigger groove 34 is formed at one side of the first saw tooth block 7 having the first driving rod hole 35; two guide bars 28 are symmetrically arranged on the upper side surface and the lower side surface of the first sawtooth block 7; as shown in FIG. 13, the first serration block 7 is installed in the lower zipper lock plate 6 by the engagement of the two guide rails 28 with the fourth guide groove 22 opened in the lower zipper lock plate 6; the first sawtooth block 7 is matched with a third guide groove 21 formed on the lower lock plate 6 of the zipper; as shown in fig. 19, two first driving rod holes 35 formed on the first saw tooth block 7 are engaged with the two first driving rods 14; two symmetrical first return springs 27 are mounted between the first driving toothed plate 25 and the first toothed block 7; the two first return springs 27 are nested outside the two first driving rods 14; as shown in fig. 17, a first guide block 32 is mounted at one end of the trigger link 29; as shown in fig. 16, the trigger link 29 is mounted on the underside of the first drive block 16 by the guide block engaging with a sixth guide slot 31 formed in the first drive block 16; the trigger connecting rod 29 passes through the fifth guide groove 23 opened on the zipper lower lock plate 6; as shown in fig. 15 and 18, the other end of the trigger connecting rod 29 is provided with a first trigger block 30; as shown in fig. 20, the first trigger block 30 has a slope thereon; the first trigger block 30 is matched with a trigger groove 34 formed on the first sawtooth block 7 through a slope on the first trigger block.

As shown in fig. 23 and 24, the mounting structures of the two sides of the first driving rod 14 in the chain dividing tooth block 5 are completely the same; for one of the two-part structures mounted on both sides of the first driving lever 14, as shown in fig. 29, the third driving toothed plate 53 is mounted on one side of the first driving lever 14; as shown in fig. 25, the third gear shaft 57 is mounted in the fourth mounting groove 39 opened in the split link block 5; one end of the third gear 44 has a bevel gear; the third gear 44 is mounted on a third gear shaft 57; as shown in fig. 28, the third gear 44 is meshed with the third driving toothed plate 53; one end of the second gear shaft 54 is mounted on the side surface in the fourth mounting groove 39 opened on the sprocket block 5; one end of the fourth gear 45 has a bevel gear; the fourth gear 45 is mounted on the second gear shaft 54; the fourth gear 45 is meshed with the conical teeth on the third gear 44 through the conical teeth on the fourth gear; the second gear 37 is mounted on a second gear shaft 54; one side of the second driving toothed plate 38 is mounted in a fourth mounting groove 39 formed in the chain dividing toothed block 5 through a linear bearing; one end of the fourth driving rod 59 is installed at the upper and lower ends of one side of the second driving toothed plate 38; one end of the second sawtooth block 36 is provided with teeth; as shown in fig. 32, the other end of the second sawtooth block 36 is symmetrically provided with two second driving rod holes 60; the second sawtooth block 36 is arranged in the chain-dividing tooth block 5 through the matching with a seventh guide groove 42 formed on the chain-dividing tooth block 5; the mating of the two second drive bar holes 60 on the second toothed block 36 with the two fourth drive bars 59 mounted on the second drive toothed plate 38; as shown in fig. 33, two second return springs 58 are installed between the second driving toothed plate 38 and the second toothed block 36; the two second return springs 58 are nested outside the two fourth drive levers 59.

As shown in fig. 30, the third drive rod 46 is mounted on the first drive rod 14 by engagement with one of two shaft holes formed in the first drive rod 14; one end of the annular limiting guide block 55 is arranged on the lower side surface of the fourth mounting groove 39 formed on the chain dividing tooth block 5; the fourth driving toothed plate 56 is mounted on the third driving rod 46, and one end of the fourth driving toothed plate 56 is nested inside the annular limiting guide block 55; the fixed block 62 is arranged in a fourth mounting groove 39 formed on the chain dividing tooth block 5 through a fixed rod 63; one end of the sixth gear 52 has a bevel gear; the sixth gear 52 is mounted on one side of the fixed block 62 through a rotating shaft; the sixth gear 52 meshes with the fourth driving toothed plate 56; one end of the fifth gear 48 has a bevel gear; the fifth gear 48 is mounted on the other side of the fixed block 62 through a rotating shaft; the fifth gear 48 is meshed with the conical teeth on the sixth gear 52 through the conical teeth on the fifth gear; one end of the rack plate 51 is mounted on one end of the third connecting plate 50; one end of the second connecting plate 49 is mounted on the other end of the third connecting plate 50; as shown in fig. 31, one end of the second trigger block 47 is mounted on the other end of the second connecting plate 49; the second trigger block 47 has an inclined surface; the rack plate 51 is arranged on the inner side of the sprocket block 5 through the matching of the third connecting plate 50 and the second connecting plate 49 with the first guide groove 41, the second guide groove 43 and the third guide groove 61 which are arranged on the sprocket block 5; the third connecting plate 50 is fitted with the second guide groove 43; the second connecting plate 49 is fitted with the first guide groove 41; the second trigger block 47 is fitted with the third guide groove 61.

In the initial state, the end of the first trigger block 30 not having the inclined surface is in contact with the first driving toothed plate 25.

The first driving toothed plate 25 is in a rest state in the direction along the third guide slot 21.

The depth of the first driving rod hole 35 is 1.5 times the width of the fourth guide groove 22 formed in the lower zipper locking plate 6.

The second driving toothed plate 38 is in a rest state in the direction along the third guide slot 21.

The depth of the second driving rod hole 60 is 2 times the width of the seventh guide groove 42 formed in the sprocket block 5.

In summary, the following steps:

when the zipper designed by the invention is used, if the thread end on the clothes is clamped into the zipper head and the zipper tooth belt, the clamped thread end can be cut off through the first sawtooth block 7 and the second sawtooth block 36; thereby preventing the zipper from being stuck in the using process and bringing inconvenience to the life of people.

In the invention, a sliding block 4 is arranged on a zipper upper lock plate 1 through the matching with a sliding groove 12 formed on the zipper upper lock plate 1; the pulling piece 3 is arranged on the sliding block 4 through a revolute pair between a support lug on the pulling piece and the sliding block 4; one end of the connecting bar 13 is arranged at the lower side of the sliding block 4; one end of the first driving rod 14 is installed at the lower side of the other end of the connecting bar 13, and the other end of the first driving rod 14 passes through the two guide openings 40 on the chain dividing tooth block 5 and is positioned at the lower side of the chain dividing tooth block 5; the first driving block 16 is provided with a sixth guide groove 31; a first drive block 16 is mounted on the underside of the first drive rod 14; the first connecting plate 17 is installed at one side of the first driving block 16; the rack 18 is installed at the lower side of the first connection plate 17; the first gear shaft 26 is arranged in a third guide groove 21 formed on the zipper lower lock plate 6; the first gear 10 is mounted on a first gear shaft 26; the first gear 10 is meshed with the rack 18; when the pulling piece 3 is driven to move upwards, the pulling piece 3 drives the sliding block 4 to move upwards; the upward movement of the sliding block 4 drives the connecting strip 13 to move upwards; the connecting bar 13 moves upwards to drive the first driving rod 14 to move upwards; the first driving rod 14 moves upwards to drive the first connecting plate 17 to move upwards; the first connecting plate 17 moves upwards to drive the rack 18 to move upwards; when the pulling piece 3 is driven to move back and forth, the pulling piece 3 can drive the sliding block 4 to move along the sliding groove 12 formed in the upper locking plate 1 of the zipper; the sliding block 4 moves to drive the connecting strip 13 to move along the first guide groove 11 formed on the upper lock plate 1 of the zipper; the connecting strip 13 moves to drive the first driving rod 14 to move back and forth along the first mounting groove 19 formed on the lower zipper locking plate 6; the first driving rod 14 moves to drive the first connecting plate 17 to move back and forth along a first mounting groove 19 formed on the lower zipper locking plate 6; the first connecting plate 17 moves to drive the rack 18 to move back and forth along a first mounting groove 19 formed on the lower zipper locking plate 6; the rack 18 is moved so that the first gear 10 is rotated.

In the invention, the first driving toothed plate 25 is arranged in a third guide groove 21 formed on the lower zipper locking plate 6 through a linear bearing; the first driving toothed plate 25 meshes with the first gear 10; two second driving levers 33 are symmetrically installed at both ends of one side of the first driving toothed plate 25; two guide bars 28 are symmetrically arranged on the upper side surface and the lower side surface of the first sawtooth block 7; the first sawtooth block 7 is arranged in the lower zipper locking plate 6 through the matching of the two guide strips 28 and the fourth guide groove 22 formed on the lower zipper locking plate 6; the first sawtooth block 7 is matched with a third guide groove 21 formed on the lower lock plate 6 of the zipper; two first driving rod holes 35 formed in the first sawtooth block 7 are matched with the two first driving rods 14; two symmetrical first return springs 27 are mounted between the first driving toothed plate 25 and the first toothed block 7; the two first return springs 27 are nested outside the two first driving rods 14; one end of the trigger connecting rod 29 is provided with a first guide block 32; the trigger connecting rod 29 is arranged at the lower side of the first driving block 16 through the matching of the guide block and a sixth guide groove 31 formed on the first driving block 16; the other end of the trigger connecting rod 29 is provided with a first trigger block 30; the first trigger block 30 is provided with an inclined surface; the first trigger block 30 is matched with a trigger groove 34 formed in the first sawtooth block 7 through an inclined surface on the first trigger block; when the first driving block 16 moves upwards, the first driving block 16 drives the trigger connecting rod 29 to move upwards; the trigger connecting rod 29 moves upwards to drive the first trigger block 30 to move upwards; since the first trigger block 30 is matched with the trigger groove 34 formed on the first sawtooth block 7 through the inclined surface thereon, and the first driving toothed plate 25 is installed in the third guide groove 21 formed on the zipper lower lock plate 6 through the linear bearing, the first driving toothed plate 25 is in a stationary state in the direction along the third guide groove 21; the upward movement of the first trigger block 30 causes the first saw-tooth block 7 to move to the outside of the lower zipper lock blank 6 along the third guide groove 21 formed in the lower zipper lock blank 6; when the first gear 10 rotates, the first gear 10 rotates to make the first driving toothed plate 25 transversely reciprocate; the first driving toothed plate 25 moves to drive the first toothed block 7 to move transversely through the two second driving rods 33; in the invention, in the moving process of the first sawtooth block 7, the trigger groove 34 formed on the first sawtooth block 7 prevents the first sawtooth block 7 from interfering with the first trigger block 30 in the moving process; the depth of the first driving rod hole 35 designed in the invention is 1.5 times of the width of the fourth guide groove 22 formed on the lower lock plate 6 of the zipper, and the function of the first driving rod hole is to prevent the first toothed block 7 from being separated from the first driving rod 14 in the moving process so as to influence the first driving toothed plate 25 to drive the first toothed block 7; the function of the sixth guide slot 31 and the first guide block 32 in the present invention is that, during the upward movement of the first driving block 16, the first driving block 16 can drive the trigger connecting rod 29 to move upward; at the same time, the first driving block 16 is prevented from interfering with the trigger link 29 during the forward and backward movement; in the present invention, in the initial state, the end of the first trigger block 30 not having the inclined plane is in contact with the first driving toothed plate 25; the function of the first trigger block 30 is to prevent the first trigger block 30 from moving to the side close to the first driving tooth plate 25 under the action of the first sawtooth block 7 in the upward movement process of the first trigger block 30; the first return spring 27 plays a role in returning the first sawtooth block 7; the guide strip 28 plays a role in guiding the first sawtooth block 7 and limiting the first sawtooth block 7; preventing the first serration block 7 from moving out of the zipper lower lock plate 6.

The third driving toothed plate 53 is installed at one side of the first driving lever 14 in the present invention; the third gear shaft 57 is installed in a fourth installation groove 39 opened on the chain dividing tooth block 5; the third gear 44 is mounted on a third gear shaft 57; the third gear 44 meshes with the third driving toothed plate 53; one end of the second gear shaft 54 is mounted on the side surface in the fourth mounting groove 39 opened on the sprocket block 5; the fourth gear 45 is mounted on the second gear shaft 54; the fourth gear 45 is meshed with the conical teeth on the third gear 44 through the conical teeth on the fourth gear; the second gear 37 is mounted on a second gear shaft 54; one side of the second driving toothed plate 38 is mounted in a fourth mounting groove 39 formed in the chain dividing toothed block 5 through a linear bearing; one end of the fourth driving rod 59 is installed at the upper and lower ends of one side of the second driving toothed plate 38; one end of the second sawtooth block 36 is provided with teeth; the second sawtooth block 36 is arranged in the chain-dividing tooth block 5 through the matching with a seventh guide groove 42 formed on the chain-dividing tooth block 5; the mating of the two second drive bar holes 60 on the second toothed block 36 with the two fourth drive bars 59 mounted on the second drive toothed plate 38; two second return springs 58 are mounted between the second driving toothed plate 38 and the second toothed block 36; the third drive rod 46 is mounted on the first drive rod 14 by engagement with one of two shaft holes formed in the first drive rod 14; one end of the annular limiting guide block 55 is arranged on the lower side surface of the fourth mounting groove 39 formed on the chain dividing tooth block 5; the fourth driving toothed plate 56 is mounted on the third driving rod 46, and one end of the fourth driving toothed plate 56 is nested inside the annular limiting guide block 55; the fixed block 62 is arranged in a fourth mounting groove 39 formed on the chain dividing tooth block 5 through a fixed rod 63; the sixth gear 52 is mounted on one side of the fixed block 62 through a rotating shaft; the sixth gear 52 meshes with the fourth driving toothed plate 56; the fifth gear 48 is mounted on the other side of the fixed block 62 through a rotating shaft; the fifth gear 48 is meshed with the conical teeth on the sixth gear 52 through the conical teeth on the fifth gear; one end of the rack plate 51 is mounted on one end of the third connecting plate 50; one end of the second connecting plate 49 is mounted on the other end of the third connecting plate 50; one end of the second trigger block 47 is mounted on the other end of the second connecting plate 49; the second trigger block 47 has an inclined surface; the rack plate 51 is arranged on the inner side of the sprocket block 5 through the matching of the third connecting plate 50 and the second connecting plate 49 with the first guide groove 41, the second guide groove 43 and the third guide groove 61 which are arranged on the sprocket block 5; the third connecting plate 50 is fitted with the second guide groove 43; the second connecting plate 49 is fitted with the first guide groove 41; the second trigger block 47 is matched with the third guide groove 61; when the first driving rod 14 moves upward, the first driving rod 14 drives the third driving rod 46 to move upward; the third driving rod 46 moves upward to drive the fourth driving toothed plate 56 to move upward; the upward movement of the fourth driving toothed plate 56 causes the sixth gear 52 to rotate; the sixth gear 52 rotates to drive the fifth gear 48 to rotate; the rotation of the fifth gear 48 causes the rack plate 51 to move toward the side on which the corresponding third link plate 50 is mounted; the rack plate 51 moves to drive the third connecting plate 50 to move; the third connecting plate 50 moves to drive the second connecting plate 49 to move; the second connecting plate 49 moves to drive the second trigger block 47 to move; as the second driving toothed plate 38 is in a rest state in the direction along the third guide slot 21; therefore, under the action of the upper inclined surface of the second trigger block 47, the second trigger block 47 moves to enable the second sawtooth block 36 to move towards the outer side of the chain dividing toothed block 5; so that the second toothed block 36 moves out of the outer side of the sprocket block 5; when the first driving rod 14 moves back and forth, the first driving rod 14 drives the third driving toothed plate 53 to move; the third toothed driving plate 53 moves to rotate the third gear 44; the third gear 44 rotates to drive the fourth gear 45 to rotate; the fourth gear 45 rotates to drive the second gear shaft 54 to rotate; the second gear shaft 54 rotates to drive the second gear 37 to rotate; the second gear 37 rotates to drive the second driving toothed plate 38 to move up and down; the up-and-down movement of the second driving toothed plate 38 drives the up-and-down movement of the fourth driving rod 59; the fourth driving lever 59 moves up and down to drive the second saw tooth block 36 to move up and down. The annular limiting guide block 55 of the present invention is used for preventing the first driving rod 14 from driving the fourth driving toothed plate 56 to move back and forth through friction between the first driving rod and the third driving rod 46 when the first driving rod moves back and forth; thereby affecting the transmission between the fourth drive plate and the sixth gear 52; the depth of the second driving rod hole 60 is 2 times of the width of the seventh guide groove 42 formed on the chain-dividing toothed block 5, and the second driving rod hole has the function of preventing the second toothed block 36 from being separated from the fourth driving rod 59 in the moving process so as to influence the second driving toothed plate 38 to drive the second toothed block 36; the second return spring 58 of the present invention acts to return the second saw tooth block 36.

The specific implementation mode is as follows: when people use the zipper designed by the invention, if the thread end on clothes is clamped into the zipper head and the zipper tooth belt in the using process, the pulling piece 3 is driven to move upwards, and the pulling piece 3 drives the sliding block 4 to move upwards; the upward movement of the sliding block 4 drives the connecting strip 13 to move upwards; the connecting bar 13 moves upwards to drive the first driving rod 14 to move upwards; the upward movement of the first driving rod 14 drives the upward movement of the first driving block 16; when the first driving block 16 moves upwards, the first driving block 16 drives the trigger connecting rod 29 to move upwards; the trigger connecting rod 29 moves upwards to drive the first trigger block 30 to move upwards; since the first trigger block 30 is matched with the trigger groove 34 formed on the first sawtooth block 7 through the inclined surface thereon, and the first driving toothed plate 25 is installed in the third guide groove 21 formed on the zipper lower lock plate 6 through the linear bearing, the first driving toothed plate 25 is in a stationary state in the direction along the third guide groove 21; the upward movement of the first trigger block 30 causes the first saw-tooth block 7 to move to the outside of the lower zipper lock blank 6 along the third guide groove 21 formed in the lower zipper lock blank 6; meanwhile, the first driving rod 14 drives the third driving rod 46 to move upwards; the third driving rod 46 moves upward to drive the fourth driving toothed plate 56 to move upward; the upward movement of the fourth driving toothed plate 56 causes the sixth gear 52 to rotate; the sixth gear 52 rotates to drive the fifth gear 48 to rotate; the rotation of the fifth gear 48 causes the rack plate 51 to move toward the side on which the corresponding third link plate 50 is mounted; the rack plate 51 moves to drive the third connecting plate 50 to move; the third connecting plate 50 moves to drive the second connecting plate 49 to move; the second connecting plate 49 moves to drive the second trigger block 47 to move; as the second driving toothed plate 38 is in a rest state in the direction along the third guide slot 21; therefore, under the action of the upper inclined surface of the second trigger block 47, the second trigger block 47 moves to enable the second sawtooth block 36 to move towards the outer side of the chain dividing toothed block 5; so that the second toothed block 36 moves out of the outer side of the sprocket block 5; when the pulling piece 3 is driven to move back and forth, the pulling piece 3 can drive the sliding block 4 to move along the sliding groove 12 formed in the upper locking plate 1 of the zipper; the sliding block 4 moves to drive the connecting strip 13 to move along the first guide groove 11 formed on the upper lock plate 1 of the zipper; the connecting strip 13 moves to drive the first driving rod 14 to move back and forth along the first mounting groove 19 formed on the lower zipper locking plate 6; the first driving rod 14 moves to drive the first connecting plate 17 to move back and forth along a first mounting groove 19 formed on the lower zipper locking plate 6; the first connecting plate 17 moves to drive the rack 18 to move back and forth along a first mounting groove 19 formed on the lower zipper locking plate 6; the movement of the rack 18 causes the first gear 10 to rotate; the first gear 10 rotates to enable the first driving toothed plate 25 to transversely reciprocate; the first driving toothed plate 25 moves to drive the first toothed block 7 to move transversely through the two second driving rods 33; meanwhile, the first driving rod 14 drives the third driving toothed plate 53 to move; the third toothed driving plate 53 moves to rotate the third gear 44; the third gear 44 rotates to drive the fourth gear 45 to rotate; the fourth gear 45 rotates to drive the second gear shaft 54 to rotate; the second gear shaft 54 rotates to drive the second gear 37 to rotate; the second gear 37 rotates to drive the second driving toothed plate 38 to move up and down; the up-and-down movement of the second driving toothed plate 38 drives the up-and-down movement of the fourth driving rod 59; the fourth driving rod 59 moves up and down to drive the second sawtooth block 36 to move up and down; the first sawtooth block 7 moves transversely and the second sawtooth block 36 moves up and down to cut off the thread ends clamped in the zipper heads and the zipper tooth belts; thereby preventing the zipper from being locked.

Claims

1. An anti-seize method of an anti-seize slide fastener is characterized in that: the zipper comprises an upper zipper locking plate, an arched hook, a pulling piece, a sliding block, a zipper dividing tooth block, a lower zipper locking plate, a first sawtooth block, a first guide strip, a second guide strip, a first gear, a first guide groove, a sliding groove, a connecting strip, a first driving rod, a first driving block, a first connecting plate, a rack, a first mounting groove, a second mounting groove, a third guide groove, a fourth guide groove, a fifth guide groove, a third mounting groove, a first driving toothed plate, a first gear shaft, a first return spring, a guide strip, a triggering connecting rod, a first triggering block, a sixth guide groove, a first guide block, a second driving rod, a triggering groove, a first driving rod hole, a second sawtooth block, a second gear, a second driving toothed plate, a fourth mounting groove, a guide opening, a first guide groove, a seventh guide groove, a second guide groove, a third gear, a fourth gear, a third driving rod, a second triggering block, a fifth gear, a second connecting plate, a zipper upper sliding block, a first toothed block, a second toothed bar, The zipper comprises a third connecting plate, a rack plate, a sixth gear, a third driving toothed plate, a second gear shaft, an annular limiting guide block, a fourth driving toothed plate, a third gear shaft, a second return spring, a fourth driving rod, a second driving rod hole, a third guide groove, a fixed block and a fixed rod, wherein two symmetrical first guide strips are mounted on the upper side surface of one end of a lower zipper locking plate; a third guide groove is formed in the front side face of the other end of the lower zipper locking plate; two fourth guide grooves are symmetrically formed in the upper side surface and the lower side surface of one end, close to the edge, in the third guide groove; a second mounting groove is formed in the upper side face of the third guide groove; the upper side of the second mounting groove is provided with a first mounting groove communicated with the upper side surface of the lower lock plate of the zipper; a third mounting groove is formed in one side of the first mounting groove; the third mounting groove is communicated with the second mounting groove; a fifth guide groove is formed in the lower side face of one end of the second mounting groove;

a fourth mounting groove is formed in the inner side of the chain dividing tooth block; two symmetrical guide openings are formed in the upper side face and the lower side face of the fourth mounting groove; two seventh guide grooves are symmetrically formed in the two side faces of the chain dividing tooth block; one side of each of the two seventh guide grooves is provided with a first guide groove; one side of each of the two first guide grooves is provided with a second guide groove; a third guide groove is formed in the other side of each of the two seventh guide grooves; the two third guide grooves are correspondingly matched with the two first guide grooves one by one; the zipper dividing tooth block is arranged on the upper side surface of one end of the lower lock plate of the zipper, which is provided with the third guide groove;

a sliding groove is arranged on the upper lock plate of the zipper; a first guide groove is formed in the lower side of the sliding groove; two second guide strips are symmetrically arranged on the lower side surface of one end of the zipper upper lock plate; the zipper upper lock plate is arranged on the upper side surface of the zipper dividing tooth block; the two second guide strips are far away from the zipper dividing tooth block and are correspondingly matched with the two first guide strips arranged on the lower lock plate of the zipper one by one; the bow-shaped hook is arranged on the upper side surface of the upper lock plate of the zipper; the sliding block is arranged on the zipper upper lock plate through the matching with a sliding groove formed on the zipper upper lock plate; one end of the pulling piece is provided with a support lug; the pulling piece is arranged on the sliding block through a revolute pair between the support lug and the sliding block on the pulling piece, and the support lug on the pulling piece is matched with the bow-shaped hook; one end of the connecting strip is arranged at the lower side of the sliding block, and the connecting strip is matched with a first guide groove on the zipper upper lock plate; one side of the first driving rod is provided with two through shaft holes; one end of the first driving rod is arranged on the lower side of the other end of the connecting bar, and the other end of the first driving rod penetrates through the two guide openings in the chain dividing tooth block and is positioned on the lower side of the chain dividing tooth block; a sixth guide groove is formed in the first driving block; the first driving block is arranged at the lower side of the first driving rod; the first connecting plate is arranged on one side of the first driving block; the first driving block and the first connecting plate are matched with a first mounting groove formed in the lower zipper locking plate; the rack is arranged on the lower side of the first connecting plate; the rack is matched with a third mounting groove formed in the lower zipper locking plate; the first gear shaft is arranged in a third guide groove formed in the lower zipper locking plate; the first gear is arranged on the first gear shaft; the first gear is meshed with the rack; the first driving toothed plate is arranged in a third guide groove formed in the lower zipper locking plate through a linear bearing; the first driving toothed plate is meshed with the first gear; the two second driving rods are symmetrically arranged at two ends of one side of the first driving toothed plate; one side of the first sawtooth block is provided with teeth; two first driving rod holes are symmetrically formed in the other side of the first sawtooth block; a trigger groove is formed in one side, provided with a first driving rod hole, of the first sawtooth block; two guide bars are symmetrically arranged on the upper side surface and the lower side surface of the first sawtooth block; the first sawtooth block is arranged in the lower zipper locking plate through the matching of the two guide strips and a fourth guide groove formed in the lower zipper locking plate; the first sawtooth block is matched with a third guide groove formed in the lower lock plate of the zipper; two first driving rod holes formed in the first sawtooth block are matched with the two first driving rods; two symmetrical first return springs are arranged between the first driving toothed plate and the first toothed block; the two first return springs are nested outside the two first driving rods; one end of the trigger connecting rod is provided with a first guide block; the trigger connecting rod is arranged on the lower side of the first driving block through the matching of the guide block and a sixth guide groove formed in the first driving block; the triggering connecting rod penetrates through a fifth guide groove formed in the lower zipper locking plate; the other end of the trigger connecting rod is provided with a first trigger block; the first trigger block is provided with an inclined plane; the first trigger block is matched with a trigger groove formed in the first sawtooth block through an inclined plane on the first trigger block;

the mounting structures on two sides of the first driving rod in the chain dividing gear block are completely the same; for one part of the two-part structure arranged on the two sides of the first driving rod, the third driving toothed plate is arranged on one side of the first driving rod; the third gear shaft is arranged in a fourth mounting groove formed in the chain dividing tooth block; one end of the third gear is provided with bevel teeth; the third gear is arranged on a third gear shaft; the third gear is meshed with the third driving gear plate; one end of the second gear shaft is arranged on the side surface in a fourth mounting groove formed in the chain dividing tooth block; one end of the fourth gear is provided with bevel teeth; the fourth gear is arranged on the second gear shaft; the fourth gear is meshed with the bevel gear on the third gear through the bevel gear on the fourth gear; the second gear is arranged on the second gear shaft; one side of the second driving toothed plate is mounted in a fourth mounting groove formed in the chain dividing toothed block through a linear bearing; one end of the fourth driving rod is arranged at the upper end and the lower end of one side of the second driving toothed plate; one end of the second sawtooth block is provided with teeth; the other end of the second sawtooth block is symmetrically provided with two second driving rod holes; the second sawtooth block is arranged in the chain dividing tooth block through the matching with a seventh guide groove formed in the chain dividing tooth block; two second driving rod holes on the second sawtooth block are matched with two fourth driving rods arranged on the second driving toothed plate; two second return springs are arranged between the second driving toothed plate and the second toothed block; the two second return springs are nested at the outer sides of the two fourth driving rods;

the third driving rod is arranged on the first driving rod through the matching with one of the two shaft holes formed on the first driving rod; one end of the annular limiting guide block is arranged on the lower side surface of a fourth mounting groove formed in the chain dividing tooth block; the fourth driving toothed plate is arranged on the third driving rod, and one end of the fourth driving toothed plate is nested inside the annular limiting guide block; the fixed block is arranged in a fourth mounting groove formed in the chain dividing tooth block through a fixed rod; one end of the sixth gear is provided with bevel teeth; the sixth gear is arranged on one side of the fixed block through a rotating shaft; the sixth gear is meshed with the fourth driving toothed plate; one end of the fifth gear is provided with bevel teeth; the fifth gear is arranged on the other side of the fixed block through a rotating shaft; the fifth gear is meshed with the bevel gear on the sixth gear through the bevel gear on the fifth gear; one end of the rack plate is arranged at one end of the third connecting plate; one end of the second connecting plate is arranged at the other end of the third connecting plate; one end of the second trigger block is arranged at the other end of the second connecting plate; the second trigger block is provided with an inclined plane; the rack plate is arranged on the inner side of the chain dividing tooth block through the matching of a third connecting plate and a second connecting plate with a first guide groove, a second guide groove and a third guide groove which are formed on the chain dividing tooth block; the third connecting plate is matched with the second guide groove; the second connecting plate is matched with the first guide groove; the second trigger block is matched with the third guide groove;

in the initial state, one end of the first trigger block, which is not provided with the inclined plane, is contacted with the first driving gear plate

When people use the zipper designed by the invention, if the thread end on clothes is clamped into the zipper head and the zipper tooth belt in the using process, the pulling piece 3 is driven to move upwards, and the pulling piece 3 drives the sliding block 4 to move upwards; the upward movement of the sliding block 4 drives the connecting strip 13 to move upwards; the connecting bar 13 moves upwards to drive the first driving rod 14 to move upwards; the upward movement of the first driving rod 14 drives the upward movement of the first driving block 16; when the first driving block 16 moves upwards, the first driving block 16 drives the trigger connecting rod 29 to move upwards; the trigger connecting rod 29 moves upwards to drive the first trigger block 30 to move upwards; since the first trigger block 30 is matched with the trigger groove 34 formed on the first sawtooth block 7 through the inclined surface thereon, and the first driving toothed plate 25 is installed in the third guide groove 21 formed on the zipper lower lock plate 6 through the linear bearing, the first driving toothed plate 25 is in a stationary state in the direction along the third guide groove 21; the upward movement of the first trigger block 30 causes the first saw-tooth block 7 to move to the outside of the lower zipper lock blank 6 along the third guide groove 21 formed in the lower zipper lock blank 6; meanwhile, the first driving rod 14 drives the third driving rod 46 to move upwards; the third driving rod 46 moves upward to drive the fourth driving toothed plate 56 to move upward; the upward movement of the fourth driving toothed plate 56 causes the sixth gear 52 to rotate; the sixth gear 52 rotates to drive the fifth gear 48 to rotate; the rotation of the fifth gear 48 causes the rack plate 51 to move toward the side on which the corresponding third link plate 50 is mounted; the rack plate 51 moves to drive the third connecting plate 50 to move; the third connecting plate 50 moves to drive the second connecting plate 49 to move; the second connecting plate 49 moves to drive the second trigger block 47 to move; as the second driving toothed plate 38 is in a rest state in the direction along the third guide slot 21; therefore, under the action of the upper inclined surface of the second trigger block 47, the second trigger block 47 moves to enable the second sawtooth block 36 to move towards the outer side of the chain dividing toothed block 5; so that the second toothed block 36 moves out of the outer side of the sprocket block 5; when the pulling piece 3 is driven to move back and forth, the pulling piece 3 can drive the sliding block 4 to move along the sliding groove 12 formed in the upper locking plate 1 of the zipper; the sliding block 4 moves to drive the connecting strip 13 to move along the first guide groove 11 formed on the upper lock plate 1 of the zipper; the connecting strip 13 moves to drive the first driving rod 14 to move back and forth along the first mounting groove 19 formed on the lower zipper locking plate 6; the first driving rod 14 moves to drive the first connecting plate 17 to move back and forth along a first mounting groove 19 formed on the lower zipper locking plate 6; the first connecting plate 17 moves to drive the rack 18 to move back and forth along a first mounting groove 19 formed on the lower zipper locking plate 6; the movement of the rack 18 causes the first gear 10 to rotate; the first gear 10 rotates to enable the first driving toothed plate 25 to transversely reciprocate; the first driving toothed plate 25 moves to drive the first toothed block 7 to move transversely through the two second driving rods 33; meanwhile, the first driving rod 14 drives the third driving toothed plate 53 to move; the third toothed driving plate 53 moves to rotate the third gear 44; the third gear 44 rotates to drive the fourth gear 45 to rotate; the fourth gear 45 rotates to drive the second gear shaft 54 to rotate; the second gear shaft 54 rotates to drive the second gear 37 to rotate; the second gear 37 rotates to drive the second driving toothed plate 38 to move up and down; the up-and-down movement of the second driving toothed plate 38 drives the up-and-down movement of the fourth driving rod 59; the fourth driving rod 59 moves up and down to drive the second sawtooth block 36 to move up and down; the first sawtooth block 7 moves transversely and the second sawtooth block 36 moves up and down to cut off the thread ends clamped in the zipper heads and the zipper tooth belts; thereby preventing the zipper from being locked.

2. The anti-seizing method of an anti-seizing slide fastener according to claim 1, wherein: the first driving toothed plate is in a static state along the direction of the third guide groove.

3. The anti-seizing method of an anti-seizing slide fastener according to claim 1, wherein: the depth of the first driving rod hole is 1.5 times of the width of a fourth guide groove formed in the lower lock plate of the zipper.

4. The anti-seizing method of an anti-seizing slide fastener according to claim 1, wherein: the second driving toothed plate is in a static state along the direction of the third guide groove.

5. The anti-seizing method of an anti-seizing slide fastener according to claim 1, wherein: the depth of the second driving rod hole is 2 times of the width of a seventh guide groove formed in the chain dividing tooth block.