CN209862511U

CN209862511U - Labor-saving zipper assembly

Info

Publication number: CN209862511U
Application number: CN201920576892.8U
Authority: CN
Inventors: 周士志
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2019-12-31
Anticipated expiration: 2029-04-25

Abstract

The utility model provides a labor-saving zipper assembly, a user can pull a zipper puller along one direction, a synchronizing wheel and a first gear rotate synchronously, and the first gear drives a force returning mechanism to rotate and enables the force returning mechanism to store energy; in the energy storage process of the return mechanism, the potential energy of the return mechanism is prevented from being lost due to the fact that a user releases hands halfway due to the matching of the ratchet wheel and the pawl; when the zipper puller moves to a proper position, a user pushes the push rod and enables the pawl to move along the direction of the slide rod to enable the pawl to be separated from the ratchet wheel, and further potential energy of the return mechanism is released and converted into kinetic energy, namely the zipper puller can move along the opposite movement direction.

Description

Labor-saving zipper assembly

Technical Field

The utility model relates to a technical field of case and bag dress apparatus especially indicates a laborsaving zip fastener subassembly.

Background

In daily life, a zipper is a everywhere visible, and a zipper (zipper) is a connecting piece for merging or separating articles by means of continuously arranged zipper teeth, and is widely used for clothes, bags, tents and the like. Zippers (zippers), which are connectors for uniting or separating articles by means of a continuous arrangement of zipper teeth, are now widely used in clothing, bags, tents, etc. The zipper generally used by people consists of a zipper head body, a cover cap, a hook and a zipper pull, wherein the zipper head body is integrally formed.

The zip fastener among the prior art, artifical pulling is more laborious, and the user probably needs great strength just can make zip fastener separation or closure for user experience is not enough, so need design a novel structure, design benefit, the zip fastener subassembly of this zip fastener process ten minutes laborsaving.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a labor-saving zipper assembly, a user can pull the zipper head along one direction and lead the force returning mechanism to store energy; the user makes the pawl and the ratchet wheel separate by pushing the push rod and making the pawl move along the direction of the slide rod, and then makes the potential energy release of the return mechanism convert kinetic energy, namely the zipper head can move along the opposite direction of movement, the operation is simple and labor-saving compared with the traditional manual pulling.

In order to achieve the above object, the utility model adopts the following technical scheme: a labor-saving zipper assembly comprises a zipper body and a zipper head which is assembled on the zipper body in a sliding mode, wherein the zipper body comprises a pair of zipper tapes which are arranged in parallel and oppositely, and a plurality of zipper teeth are evenly arranged on each zipper tape along the length direction of the zipper tape at intervals, wherein the zipper teeth of the two zipper tapes are in an engaged or separated state along with the pulling of the zipper head; a closed cavity is arranged in the zipper puller, and a force returning device is arranged in the closed cavity, wherein the force returning device comprises a force returning mechanism, a first gear and a first rotating shaft which is arranged perpendicular to the moving direction of the zipper puller, the first gear is fixed on the side wall of the closed cavity through the first rotating shaft, the force returning mechanism is in transmission connection with the first gear, two ends of the first rotating shaft extend out of the closed cavity along the length direction of the first rotating shaft, and two ends of the first rotating shaft are respectively connected with a synchronizing wheel tightly attached to the surface of the zipper strip; the ratchet wheel is sleeved on the first rotating shaft, one end of the pawl is arranged on the sliding rod in a sliding mode, the other end of the pawl is connected with a push rod extending out of the sealed cavity, the push rod is pushed, the pawl slides along the direction of the sliding rod, and the pawl is separated from the ratchet wheel.

Further, the return force mechanism comprises an elastic element, a return force gear meshed with the first gear and a return force shaft parallel to the first rotating shaft, wherein one end of the elastic element is fixedly connected with the return force gear, and the other end of the elastic element is fixedly connected with the side wall of the closed cavity; wherein the return shaft sequentially penetrates through the return gear and the elastic element and is connected with the side wall of the closed cavity.

Further, the elastic element is a scroll reed.

Further, the surface of the zipper puller is provided with an installation opening communicated with the closed cavity, and the installation opening is covered with a sealing cover.

Furthermore, the clamping device further comprises a spring, the spring is sleeved on the push rod, one end of the spring is fixedly connected with the side wall of the closed cavity, and the other end of the spring is fixedly connected with the side face of the pawl.

In this embodiment, a spring for resetting the pawl is sleeved on the push rod, the user pushes the push rod to move the pawl along the direction of the slide rod, so that the pawl is separated from the ratchet wheel, and the potential energy of the return mechanism is released and converted into kinetic energy.

Further, the surface of every zipper strip is equipped with the slide rail that extends along zipper strip length direction, just the synchronizing wheel is equipped with the round along its circumference and establishes the groove with slide rail complex card, the synchronizing wheel is established the inslot at the card with zipper strip surface subsides and slide rail setting.

Furthermore, a plurality of first teeth are uniformly distributed on the surface of the slide rail along the length direction of the slide rail, a plurality of second teeth are uniformly distributed on the surface of the clamping groove, the synchronizing wheel is tightly attached to the surface of the zipper belt, and the second teeth in the clamping groove are meshed with the first teeth on the surface of the slide rail.

The beneficial effects of the utility model reside in that: a user can pull the zipper puller along one direction, the synchronizing wheel and the first gear rotate synchronously, and the first gear drives the return mechanism to rotate and enables the return mechanism to store energy; in the energy storage process of the return mechanism, the potential energy of the return mechanism is prevented from being lost due to the fact that a user releases hands halfway due to the matching of the ratchet wheel and the pawl; when the zipper puller moves to a proper position, a user pushes the push rod and enables the pawl to move along the direction of the slide rod to enable the pawl to be separated from the ratchet wheel, and further potential energy of the return mechanism is released and converted into kinetic energy, namely the zipper puller can move along the opposite movement direction.

Drawings

Fig. 1 is a front view of the zipper assembly of the present invention.

Fig. 2 is a schematic perspective view of the force returning device and the engaging device of the present invention.

Fig. 3 is a schematic perspective view of the ratchet according to the present invention.

Fig. 4 is a cross-sectional view taken along line a-a of fig. 1 according to the present invention.

The reference numbers illustrate: 1. a slider of a zipper fastener; 2. a zipper tape; 21. a slide rail; 211. a first tooth; 3. a sprocket; 41. a first rotating shaft; 42. a first gear; 43. a ratchet wheel; 44. a synchronizing wheel; 441. clamping the groove; 442. a second tooth; 45. a return shaft; 46. a return gear; 47. a pawl; 471. mounting holes; 48. a push rod; 49. a slide bar; 410. a spring.

Detailed Description

Referring to fig. 1-4, the present invention relates to a labor-saving zipper assembly, which comprises a zipper body and a zipper head 1 slidably assembled on the zipper body, wherein the zipper body comprises a pair of parallel zipper strips 2 oppositely arranged, and a plurality of zipper teeth 3 are uniformly arranged on each zipper strip 2 along the length direction of the zipper strip 2 at intervals, wherein the zipper teeth 3 of the two zipper strips 2 are engaged or separated along with the pulling of the zipper head 1; the surface of the zipper puller 1 is provided with a closed cavity, and a force return device is arranged in the closed cavity, wherein the force return device comprises a force return mechanism, a first gear 42, a first rotating shaft 41 arranged perpendicular to the moving direction of the zipper puller 1 and a force return shaft 45 parallel to the first rotating shaft 41, the first gear 42 is fixed on the side wall of the closed cavity through the first rotating shaft 41, the force return mechanism is in transmission connection with the first gear 42, two ends of the first rotating shaft 41 extend out of the closed cavity along the length direction of the first rotating shaft, and two ends of the first rotating shaft 41 extending out of the closed cavity are respectively connected with a synchronizing wheel 44 tightly attached to the surface of the zipper strip 2;

a clamping device is further arranged in the closed cavity and comprises a ratchet wheel 43, a pawl 47 meshed with the ratchet wheel 43 and a sliding rod 49 parallel to the first rotating shaft 41, the ratchet wheel 43 is sleeved on the first rotating shaft 41, one end of the pawl 47 is arranged on the sliding rod 49 in a sliding mode, the other end of the pawl 47 is connected with a push rod 48 extending out of the closed cavity, and the push rod 48 is parallel to the first rotating shaft 41; the pawl 47 is disengaged from the ratchet 43 by pushing the push rod 48 and moving the pawl 47 in the direction of the slide rod 49.

A user can pull the zipper puller 1 along one direction according to the self requirement, the synchronizing wheel 44 and the first gear 42 synchronously rotate, and the first gear 42 drives the force returning mechanism to store energy; in the energy storage process of the return mechanism, the potential energy of the return mechanism is prevented from being lost due to the fact that the user releases the hand halfway due to the matching of the ratchet wheel 43 and the pawl 47; when the zipper puller 1 moves to a proper position, a user pushes the push rod 48 and enables the pawl 47 to move along the direction of the slide rod 49 to enable the pawl 47 to be separated from the ratchet wheel 43, further, potential energy of the return mechanism is released and converted into kinetic energy, namely, the zipper puller 1 can move along the opposite movement direction, in the whole process, the potential energy of the return mechanism is released and converted into kinetic energy, the user only needs to press the push rod 48 to enable the pawl 47 to be separated from the ratchet wheel 43, meshing or separation of zipper teeth 3 on zipper strips 2 on two sides of the zipper puller 1 can be achieved, the operation is simple, and compared with the traditional manual pulling, the labor is saved.

Further, the return force mechanism comprises an elastic element (not shown), a return force gear 46 engaged with the first gear 42, and a return force shaft 45 parallel to the first rotating shaft 41, wherein one end of the elastic element is fixedly connected with the return force gear 46, and the other end of the elastic element is fixedly connected with the side wall of the closed cavity; further, the elastic element is a scroll reed. Wherein the return shaft passes through the return gear 46 and the elastic element in sequence and is connected with the side wall of the closed cavity. When the first gear drives the return gear 46 to rotate, the elastic element scroll is contracted to provide elastic force for the return gear 46 to rotate and reset; it should be noted, however, that the above embodiments are only intended to describe the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the return mechanism may also employ other components to provide the elastic force for the return gear 46 to rotate and return.

Referring to fig. 3, further, the cross section of the sliding rod 49 is rectangular, and one end of the pawl 47 is provided with a mounting hole 471 corresponding to the cross section of the sliding rod 49, wherein the pawl 47 is sleeved on the sliding rod 49 through the mounting hole 471 and slides along the direction of the sliding rod 49.

In this embodiment, in order to prevent the rotation deviation of the pawl 47, the cross section of the sliding rod 49 is rectangular, and the pawl 47 is provided with a mounting hole 471 corresponding to the cross section of the sliding rod 49 at one end, i.e. the mounting of the two is realized.

Further, the surface of the zipper puller 1 is provided with an installation opening (not shown) communicated with the closed cavity, and the installation opening is covered with a sealing cover.

In this embodiment, be provided with installing opening and with the sealed box of installing opening dress, when daily use, the device is all set up in airtight cavity to power return device and card, and sealed lid closes on the installing opening, can avoid the infiltration of dust or steam, the condition that leads to power return device and card to establish the device life-span and shorten appears, and when power return device and card were established the device and sent to damage and need the maintenance, can open sealed lid and will take out and change from the installing opening to the part, easy operation and easy maintenance.

As shown in fig. 1-3, the locking device further includes a spring 410, the spring 410 is sleeved on the push rod 48, one end of the spring 410 is fixedly connected to the side wall of the closed cavity, and the other end of the spring 410 is fixedly connected to the side surface of the pawl 47.

In this embodiment, a spring 410 for returning the pawl 47 is sleeved on the push rod 48, when the user pushes the push rod 48 and moves the pawl 47 along the sliding rod 49, the pawl 47 is separated from the ratchet 43, and the potential energy of the return mechanism is released and converted into kinetic energy, and meanwhile, because one end of the spring 410 is connected with the side wall of the closed cavity, and the other end of the spring 410 is connected with the side surface of the pawl 47, when the push rod 48 is pushed and the pawl 47 moves along the sliding rod 49, the spring 410 is in a stretching state, when the user releases his hand and does not push the push rod 48 any more, the spring 410 in the stretching state moves the pawl 47 along the direction close to the ratchet 43 under the action of the elastic force, and re-engages with the ratchet 43, so as to lock the ratchet 43.

Referring to fig. 1, further, a slide rail 21 extending along the length direction of each fastener tape 2 is disposed on the surface of each fastener tape 2, a ring of engaging grooves 441 engaged with the slide rail 21 is disposed on the synchronizing wheel 44 along the circumferential direction thereof, the synchronizing wheel 44 is attached to the surface of the fastener tape 2, and the slide rail 21 is disposed in the engaging grooves 441.

In the present embodiment, the slide rail 21 extending along the length direction of the fastener tape 2 is provided on the surface of the fastener tape 2, so that the situation that the synchronizing wheel 44 and the slide rail 21 are not deviated when a user pulls the fastener slider 1 can be ensured.

Referring to fig. 1 and 4, further, a plurality of first teeth 211 are uniformly distributed on the surface of the slide rail 21 along the length direction thereof, a plurality of second teeth 442 are uniformly distributed on the surface of the engaging groove 441, the synchronizing wheel 44 is attached to the surface of the fastener tape 2, and the second teeth 442 in the engaging groove 441 are engaged with the first teeth 211 on the surface of the slide rail 21.

In this embodiment, since the potential energy accumulation inside the return mechanism is realized by the synchronous pulley 44 moving along the length direction of the zipper tape 2, in order to prevent the synchronous pulley 44 from slipping on the surface of the zipper tape 2, which results in insufficient potential energy inside the return mechanism, the first teeth 211 are disposed on the surface of the slide rail 21 and the plurality of second teeth 442 are uniformly distributed on the surface of the engaging groove 441, and during the movement of the synchronous pulley 44, the second teeth 442 of the engaging groove 441 are engaged with the first teeth 211 on the surface of the slide rail 21, thereby solving the problem of slipping between the two.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. A labor-saving zipper assembly comprises a zipper body and a zipper head which is assembled on the zipper body in a sliding mode, wherein the zipper body comprises a pair of zipper tapes which are arranged in parallel and oppositely, and a plurality of zipper teeth are evenly arranged on each zipper tape along the length direction of the zipper tape at intervals, wherein the zipper teeth of the two zipper tapes are in an engaged or separated state along with the pulling of the zipper head; the method is characterized in that: a closed cavity is arranged in the zipper puller, and a force returning device is arranged in the closed cavity, wherein the force returning device comprises a force returning mechanism, a first gear and a first rotating shaft which is arranged perpendicular to the moving direction of the zipper puller, the first gear is fixed on the side wall of the closed cavity through the first rotating shaft, the force returning mechanism is in transmission connection with the first gear, two ends of the first rotating shaft extend out of the closed cavity along the length direction of the first rotating shaft, and two ends of the first rotating shaft are respectively connected with a synchronizing wheel tightly attached to the surface of the zipper strip; the ratchet wheel is sleeved on the first rotating shaft, one end of the pawl is arranged on the sliding rod in a sliding mode, the other end of the pawl is connected with a push rod extending out of the sealed cavity, the push rod is pushed, the pawl slides along the direction of the sliding rod, and the pawl is separated from the ratchet wheel.

2. The labor-saving zipper assembly according to claim 1, wherein the return mechanism comprises an elastic element, a return gear engaged with the first gear, and a return shaft parallel to the first rotating shaft, wherein one end of the elastic element is fixedly connected with the return gear, and the other end of the elastic element is fixedly connected with the side wall of the closed cavity; wherein the return shaft sequentially penetrates through the return gear and the elastic element and is connected with the side wall of the closed cavity.

3. A power saving zipper assembly as claimed in claim 2 wherein the resilient element is a spiral spring.

4. The labor-saving zipper assembly according to claim 1, wherein the cross-section of the slide bar is rectangular, and one end of the pawl is provided with a mounting hole corresponding to the slide bar, wherein the pawl is sleeved on the slide bar through the mounting hole and slides along the direction of the slide bar.

5. The labor-saving zipper assembly of claim 1, wherein the zipper head has a mounting opening on a surface thereof, the mounting opening communicating with the closed cavity, and the mounting opening is covered with a sealing cover.

6. The labor-saving zipper assembly according to claim 1, wherein the clamping device further comprises a spring, the spring is sleeved on the push rod, one end of the spring is fixedly connected with the side wall of the closed cavity, and the other end of the spring is fixedly connected with the side surface of the pawl.

7. The labor-saving zipper assembly according to claim 1, wherein a slide rail extending along the length direction of each zipper strip is arranged on the surface of each zipper strip, the synchronizing wheel is provided with a ring of clamping grooves matched with the slide rail along the circumferential direction of the synchronizing wheel, the synchronizing wheel is attached to the surface of each zipper strip, and the slide rail is arranged in the clamping grooves.

8. The labor-saving zipper assembly according to claim 7, wherein a plurality of first teeth are uniformly distributed on the surface of the slide rail along the length direction, a plurality of second teeth are uniformly distributed on the surface of the clamping groove, the synchronizing wheel is tightly attached to the surface of the zipper tape, and the second teeth in the clamping groove are meshed with the first teeth on the surface of the slide rail.