CN219645186U - Self-locking pull head and zipper assembly using same - Google Patents

Abstract

A self-locking slider and a zipper assembly applied by the same comprise a main body and an arcuate latch hook, wherein a tooth channel and a lock hole communicated with the tooth channel are arranged on the main body; the device is characterized by further comprising a toggle button, wherein the toggle button comprises a rotating bracket, the rotating bracket comprises a rotating shaft and a support arm extending upwards from the rotating shaft, and when the connecting arm is overlapped with the rotating shaft and then the rotating shaft rotates, the connecting arm can swing and the hook arm end can also move; the toggle button further comprises a button cover plate, the button cover plate is transversely inserted on the support arm, and the connecting arm is positioned below the button cover plate; the surrounding cover comprises a surrounding cover side wall which is positioned at the side edge of the button cover plate but does not prevent the toggle button from rotating and is used for preventing the button cover plate from withdrawing; the rotating bracket is rotationally connected to the main body or the side wall of the surrounding cover through a rotating shaft; the toggle button is split into the rotary support and the button cover plate inserted on the rotary support, so that errors in combined installation are reduced, and the installation efficiency is improved.

Description

Self-locking pull head and zipper assembly using same

Technical Field

The utility model relates to the technical field of zippers, in particular to a self-locking pull head and a zipper assembly applied to the self-locking pull head.

Background

The zipper is widely used as a main accessory of the clothing bag box, and common zippers can be classified into a non-self-locking zipper and a self-locking zipper according to whether the zipper can be locked, the zipper head of the non-self-locking zipper possibly slides along the zipper belt under the non-manual operation condition when the zipper belt is meshed, and the self-locking zipper can prevent the self-sliding of the zipper head under the non-manual operation condition through a self-locking mechanism. The most common self-locking zipper structure on the market at present generally comprises a main body, an elastic piece, ma Gouyi and a pull piece, wherein in a locking state, the free end of a hook is inserted into a zipper tooth gap of the zipper under the action force of the elastic piece, so that the pull head is locked; when the pull head is required to be pulled, the pull piece connected to the pull head is pulled, and the free end of the hook can be pulled out of the gap of the zipper teeth when the pull piece is lifted, so that the locking of the pull head is released; after the pull head moves to the designated position, the pull piece is loosened, and the hook is reset under the action force of the elastic sheet. However, the self-locking zipper structure is unstable, and particularly when the pull tab is pulled, the pulling force and the pulling direction cannot be ensured, so that the hook is misplaced or misplaced, and the use of the zipper is very affected.

Therefore, people improve on the basis of the existing self-locking zipper structure, for example, chinese patent publication No. CN109008091A discloses a slider of a zipper, which comprises a body, wherein the body is provided with a mounting groove, and the bottom of the mounting groove is provided with a locking pin clamping hole; the sailboard is rotatably arranged in the mounting groove, and one end of the sailboard is provided with a lock pin which can penetrate through the lock pin clamping hole to clamp the chain teeth so as to enable the chain teeth to be self-locked; a button, the body having a protrusion higher than a surface of the body at the mounting groove, the button being rotatably mounted on a sidewall of the protrusion; the balance support is connected in the button in a sliding way, the other end of the balance support abuts against the sailboard, and therefore the button abuts against the sailboard and drives the sailboard to rotate. The self-locking structure realizes self-locking and unlocking of the pull head by pressing the button, replaces the lifting unlocking structure of the pull tab, and ensures the stability of the pull head during pulling. However, the slider structure has the problems that firstly, the balance bracket is connected with the button in a sliding way, the button is easy to fall off in the process of being mounted on the side wall, and the mounting efficiency is low; secondly, the buttons are required to be detached together with the rotating shafts when being replaced, and the side walls of the protrusions are easy to damage when the buttons are installed and detached; and thirdly, when the button is mounted on the side wall, the rotating shaft and the mounting hole are exposed, and the attractive appearance is low.

Disclosure of Invention

The utility model provides a self-locking pull head, which comprises a main body and an arched lock hook, wherein a tooth channel and a lock hole communicated with the tooth channel are arranged on the main body, the lock hook comprises a fixed end, a movable hook arm end and a connecting arm for connecting the fixed end and the hook arm end, the fixed end is connected to the main body, and when the connecting arm is driven by top pressure, the hook arm end can be driven to move, namely, the hook arm end is inserted into the tooth channel through the lock hole or is retracted into the lock hole from the tooth channel; the toggle button comprises a rotating bracket, the rotating bracket comprises a rotating shaft and a support arm extending upwards from the rotating shaft, and the connecting arm is overlapped with the rotating shaft so that the connecting arm can swing and the hook arm end can move when the rotating shaft rotates; the toggle button further comprises a button cover plate, wherein the button cover plate is transversely inserted on the support arm, and the connecting arm is positioned below the button cover plate; the surrounding cover comprises a surrounding cover side wall which is positioned at the side edge of the button cover plate but does not prevent the toggle button from rotating and is used for preventing the button cover plate from being withdrawn; the rotating support is rotatably connected to the main body or the side wall of the surrounding cover through the rotating shaft.

The self-locking zipper comprises a main body, wherein the main body is a main structural part which is used for being movably connected with a zipper belt, the self-locking zipper comprises an upper plate, a lower plate and a connecting column arranged between the upper plate and the lower plate, the upper plate, the lower plate and the connecting column define a zipper tooth channel which is arranged in a left-right extending mode, a pair of zipper belts are movably arranged in the zipper tooth channel, and the main body enables the pair of zipper belts to be combined or separated through back and forth movement.

The locking hook is a member capable of limiting the self-locking slider to move, specifically, the locking hook is locked by connecting a main body of the self-locking slider with a chain belt or unlocked by unlocking the connection between the main body and the chain belt, in this embodiment, the locking hook is in an arch shape, the connecting arms are transversely arranged left and right, the fixed end and the hook arm end are arranged in a downward extending manner from two ends of the connecting arms, a column hole is formed in a connecting column of the main body, the fixed end of the locking hook extends into the column hole and is clamped on the connecting column, and the hook arm end is movably inserted into the lock hole and is connected with the chain belt. In order to connect and disconnect the hook arm end and the chain belt, the latch hook can swing relative to the main body, which can be that the latch hook swings around the fixed end as a whole or that the latch hook deforms locally so as to swing the hook arm end and the connecting arm.

The lock hole is a through hole arranged on the upper plate or the lower plate of the main body, the lock hole is communicated with the tooth channel and the external space, the size of the lock hole is matched with the hook arm end of the lock hook, and the hook arm end of the lock hook can freely penetrate through the lock hole and extend into the tooth channel or retract into the lock hole from the tooth channel.

The toggle button is a member for driving the latch hook to swing and is formed by combining a support and a button cover plate which are spliced, and the rotating support and the button cover plate which are combined during swinging of the toggle button synchronously swing together. In the installation, can install earlier the rotation support arrives on the main part, install again the latch hook and let the linking arm is taken on the rotation support, then peg graft thereby the button apron is sheltered from in the top rotation support and latch hook let the latch hook realizes the individual installation, the button apron can install and remove in a flexible way.

The rotary support is a base component of the toggle button, the lower part of the rotary support can be connected with the main body and the lock hook through the rotary shaft, the upper part of the rotary support can be connected with the button cover plate through the support arm, a lug is arranged on the rotary shaft on the rotary support, and when the rotary support rotates, the lug can enable the connecting arm to swing so as to drive the hook arm end to swing.

The rotating shaft rotates to enable the connecting arm to swing and enable the hook arm end to move, and the rotating shaft rotates to comprise forward rotation and reverse rotation, so that the rotating shaft at least comprises the following two applications, wherein the first type of the rotating shaft comprises the following two applications, namely the lock hook is pressed on the rotating shaft by itself under a certain acting force, the connecting arm is actively driven to swing to realize locking or unlocking when the rotating shaft rotates forward, and the lock hook resets under the action of the lock hook or other external forces when the rotating shaft rotates reversely; second, the latch hook overlap joint in the pivot, the pivot is in forward rotation and reverse rotation in-process all take the linking arm swing.

The enclosing cover is a shielding member covered on the main body, the button cover plate can be limited to slide and fall off through the side wall of the enclosing cover, and conversely, the button cover plate can be conveniently replaced by disassembling the enclosing cover.

According to the technical scheme, compared with the prior art, the utility model has the beneficial technical effects that: firstly, the toggle button is split into a rotating bracket and a button cover plate, wherein the rotating bracket is rotated, the button cover plate is inserted into the rotating bracket, the button cover plate is gradually installed from top to bottom during installation, the rotating bracket is firstly installed and placed, then the lock hook is installed, and then the button cover plate is inserted, so that the swing arm end of the lock hook is overlapped on the rotating shaft and is inserted between the rotating shaft and the button cover plate, errors during combined installation are reduced, and the installation efficiency is improved; secondly, the button cover plate which is inserted and installed can not only shield the rotating bracket and the lock hook below, but also be convenient to detach and replace, different colors and materials can be adapted to different application scenes, and the adaptability of the self-locking pull head is improved; thirdly, by arranging the enclosing cover, the rotating bracket, the lock hook and part of the button cover plate are well shielded, the sliding and loosening of the button cover plate can be limited, and the overall attractiveness of the self-locking pull head is greatly improved; fourthly, the lock hook is hidden and arranged below the button cover plate and the surrounding cover, so that the problem that sundries or cloth are inserted below the connecting arm of the lock hook to influence the swinging of the connecting arm is solved, and the moving stability of the self-locking pull head is greatly improved; fifthly, the toggle button drives the latch hook to accurately switch the locking state and the unlocking state, so that the problem that the false locking or the locking position of the latch hook is inaccurate is effectively reduced, and the use stability of the self-locking pull head is further improved.

In order to enable the button cover plate to be inserted into the rotating support, the novel rotary support further comprises a sliding rail and a sliding groove, wherein the sliding rail and the sliding groove are respectively arranged on the supporting arm and the button cover plate, and the button cover plate is inserted into the rotating support through the sliding rail and the sliding groove and can rotate together with the rotating support.

In order to enable the surrounding cover side wall to block the button cover plate from sliding out, the further technical scheme can be that the button cover plate inserted on the support arm can slide out along the extending direction of the sliding rail and the sliding groove, and at least part of the surrounding cover side wall extends upwards to a path where the button cover plate slides out. Of course, according to the different mounting structures, the arrangement mode of the side wall of the enclosing cover can be matched, and when the button cover plate only withdraws reversely along the insertion path, the side wall of the enclosing cover only needs to be arranged at one side of the button cover plate; when the button cover plate can reversely withdraw along the inserted path and can slide forwards, the side wall sides of the surrounding cover are required to be arranged on the front side and the rear side of the button cover plate.

Further technical scheme may be that the support arm includes a first support arm and a second support arm, the first support arm and the second support arm are connected at two ends of the rotating shaft, a mounting seam is formed between the first support arm and the second support arm which are oppositely arranged at intervals, and the connecting arm of the latch hook can be further lapped on the rotating shaft through the mounting seam. Further, in order to reduce the latch hook from deviating from the mounting seam, be provided with first card arm on the first support arm, still be provided with the second card arm on the second support arm, first card arm with the second card arm towards protruding and interval arrangement in the mounting seam. The first clamping arm and the second clamping arm can form a withdrawal obstruction in the mounting seam, so that the problem that the locking hook is separated from the mounting seam is solved.

In order to reduce the overall thickness of the self-locking pull head, the toggle button possibly interferes with the lock hook when swinging, and for this purpose, an avoidance groove is formed in the bottom wall of the button cover plate, and when the button cover plate is rotated and tilted, part of the connecting arm falls into the avoidance groove. The problem of collision interference between the button cover plate and the lock hook is well solved by arranging the avoidance groove.

Further technical scheme can also be that the device further comprises a pull nose, wherein the pull nose is arranged on the surrounding cover or the main body.

A zipper assembly includes a zipper strip and also includes the self-locking slider coupled to the zipper strip for coupling or uncoupling the zipper strip.

The self-locking slider has the characteristics and advantages, and can be applied to the self-locking slider and a zipper assembly using the self-locking slider.

Drawings

FIG. 1 is a schematic view of the axial structure of a zipper assembly embodying the present utility model;

FIG. 2 is an axial schematic view of the self-locking slider;

FIG. 3 is a schematic view of an exploded construction of the self-locking slider;

FIG. 4 is a schematic view of a cross-sectional structure of the self-locking slider in front view, showing a locked state;

FIG. 5 is a schematic view of a cross-sectional structure of the self-locking slider in front view, showing an unlocked state;

fig. 6 is a schematic view of an axial side direction structure of the main body;

FIG. 7 is a schematic diagram of an exploded construction of the toggle button;

FIG. 8 is a schematic view of an axial side direction structure of the shackle;

fig. 9 is a schematic view of the axial side direction structure of the surrounding cover.

Detailed Description

The structure of the self-locking slider and the zipper assembly using the same applying the technical scheme of the utility model is further described below with reference to the accompanying drawings. The various implementation details disclosed below may be applied either selectively or in combination in one embodiment, even without direct functional association or co-ordination, except where explicitly stated to be equivalent or alternative embodiments.

As shown in fig. 1 to 4, a zipper assembly comprises two stringers 1 arranged side by side, wherein teeth 11 are provided on the edges of the stringers 1, and the self-locking slider 2 is connected to the stringers 1 for coupling or uncoupling the stringers 1. The self-locking pull head 2 comprises a main body 3, the main body 3 is a main structural component of the self-locking pull head 2, which is used for being movably connected with a chain belt 1, the main body 3 comprises an upper plate 31, a lower plate 32 and a connecting column 33 arranged between the upper plate 31 and the lower plate 32, wherein the upper plate 31 and the lower plate 32 are arranged at intervals in an up-down parallel manner, the connecting column 33 is connected with the right end parts of the upper plate 31 and the lower plate 32, and the upper plate 31, the lower plate 32 and the connecting column 33 define a tooth channel 30 which is arranged in a left-right extending manner and is Y. The teeth 11 of the two chain belts 1 are arranged in a staggered manner and connected in the tooth channel 30, and when the self-locking slider 2 slides from left to right, the teeth 11 of the two chain belts 1 are meshed so as to be combined together; when the self-locking slider 2 slides reversely from right to left, the fastener elements 11 of the two fastener tapes 1 are separated so as to be separated to both sides, respectively.

In order to achieve the mutual locking connection between the self-locking slider 2 and the fastener tape 1, as shown in fig. 2 to 6, the main body 3 is provided with a fastener element channel 30 and a lock hole 34 communicating with the fastener element channel 30, in this embodiment, the lock hole 34 is disposed on the left side of the upper plate 31, and the lower portion of the lock hole 34 is just a folded section of the fastener element channel 30, and the fastener element 11 passing through the corresponding section of the fastener element channel 30 is also in an engaged state. Correspondingly, a column hole 35 penetrating up and down is further provided on the right side of the upper plate 31 and the lower plate 32 (i.e. at the connection point with the connecting column 33), and a protrusion 351 is further provided in the column hole 35. In addition, the self-locking slider 2 further includes an arcuate latch hook 4, where the latch hook 4 includes a fixed end 41, a movable latch arm end 42, and a connection arm 43 connecting the fixed end 41 and the latch arm end 42, in this embodiment, the connection arm 43 is laterally disposed left and right, the fixed end 41 and the latch arm end 42 extend downward from two ends of the connection arm 43, and a T-shaped latch portion 44 is further disposed at a lower end portion of the fixed end 41, and the latch portion 44 can be engaged with a protrusion 351 in the post hole 35 when the fixed end 41 is inserted downward into the post hole 35, so that the fixed end 41 of the latch hook 4 can be swingably connected to the main body 3. The hook arm end 42 can be inserted downward through the lock hole 34 and extend into the fastener element channel 30, and the hook arm end 42 having a wide upper and a sharp lower end is wedge-shaped, which allows the lower end of the hook arm end 42 to be easily inserted into the gap of the fastener element 11 in the fastener element channel 30, thereby allowing the hook 4 to be coupled with the fastener tape 1. From the above, the self-locking slider 2 can be connected to the fastener tape 1 by the locking hook 4.

Further, in order to release the locking state of the self-locking slider 2 and the fastener tape 1, the connecting arm 43 is driven to move by the pressing force, i.e., the hook arm end 42 is inserted into the fastener element passage 30 through the lock hole 34 or the hook arm end 42 is withdrawn from the fastener element passage 30 into the lock hole 34. It is apparent that when the hook arm end 42 is retracted from the element passage 30 into the lock hole 34, the hook arm end 42 is withdrawn from the gap of the element 11 to be separated from the fastener tape 1, that is, the locked state of the self-locking slider 2 and the fastener tape 1 is released. In order to enable the hook arm end 42 to swing, the self-locking slider 2 further includes a toggle button 5, the toggle button 5 includes a rotating bracket 6, the rotating bracket 6 includes a rotating shaft 61 and a supporting arm 62 extending upward from the rotating shaft 61, and the connecting arm 43 overlaps the rotating shaft 61, so that when the rotating shaft 61 rotates, the connecting arm 43 can swing and the hook arm end 42 can also move. It should be noted that, since the rotation of the rotating shaft 61 includes forward rotation and reverse rotation, at least two driving modes of the connecting arm 43 are as follows: first, the latch hook 4 itself has or is pressed against the rotating shaft 61 by a force in a certain direction, for example, by an external spring or a spring sheet other than the toggle button 5, or by an elastic force generated by deformation of the latch hook 4 itself as in the present embodiment, the connecting arm 43 of the latch hook 4 is swung down toward the rotating shaft 61 and is inserted into the element channel 30 through the lock hole 34 with the hook arm end 42, so that locking is achieved, the connecting arm 43 is actively driven to swing upward to achieve unlocking when the rotating shaft 61 rotates forward, and the latch hook 4 is reset under the action of itself or other external force when the rotating shaft 61 rotates backward, so that the driving mode is unidirectional. Second, the latch hook 4 is overlapped with the rotating shaft 61, and the rotating shaft 61 swings with the connecting arm 43 in the forward rotation and the reverse rotation, and the driving mode is bidirectional.

In order to facilitate the latch hook 4 to be stably connected to the rotating shaft 61 of the rotating bracket 6 when being mounted on the main body 3, the support arm 62 of the rotating bracket 6 comprises a first support arm 621 and a second support arm 622, the first support arm 621 and the second support arm 622 are respectively connected to two ends of the rotating shaft 61, a mounting gap is formed between the first support arm 621 and the second support arm 622 which are oppositely arranged at intervals, the connecting arm 43 of the latch hook 4 can be connected to the rotating shaft 61 in a lap joint manner through the mounting gap when swinging downwards, and the first support arm 621 and the second support arm 622 limit the swing of the latch hook 4 in the front-back direction, so that the hook arm end 42 is beneficial to be inserted into the lock hole 34 downwards. Further, in order to reduce the release of the latch hook 4 from the mounting slot, a first latch arm 623 is provided on the first arm 621, a second latch arm 624 is provided on the second arm 622, and the first latch arm 623 and the second latch arm 624 are protruded into the mounting slot and are spaced apart. By providing the first and second catch arms 623, 624, a withdrawal obstruction can be formed in the mounting slot, which is advantageous in reducing the problem of the latch hook 4 coming loose from the mounting slot.

Further, a bump 63 is disposed on the rotating shaft 61 on the rotating support, and when the rotating support 6 rotates, the bump 63 can push the connecting arm 43 upwards, so that the connecting arm 43 swings, and the connecting arm 43 swings to drive the hook arm end 42 to swing.

As shown in fig. 1-9, the toggle button 5 further includes a button cover 7, the button cover 7 is transversely inserted into the support arm 62, and the connection arm 43 is located below the button cover 7; the button cover comprises a main body 3, and is characterized by further comprising a surrounding cover 8 detachably connected to the main body 3, wherein the surrounding cover 8 comprises a surrounding cover side wall 81, and the surrounding cover side wall 81 is positioned at the side edge of the button cover plate 7 but does not prevent the toggle button 5 from rotating and is used for preventing the button cover plate 7 from being withdrawn. In order to enable the button cover 7 to be inserted into the rotating bracket 6, a further technical solution may further include a sliding rail 64 and a sliding groove 71, in this embodiment, the sliding rail 64 is disposed on the supporting arm 62, the sliding groove 71 is disposed on the button cover 7, the supporting arm 62 is T-shaped and extends along a central line direction of the rotating shaft 61 when viewed in a section, and the button cover 7 is inserted into the rotating bracket 6 along the central line direction of the rotating shaft 61 through the sliding rail 64 and the sliding groove 71 and can rotate together with the rotating bracket 6. As an equivalent embodiment, the slide rail 64 may also be arranged to extend in a direction perpendicular to the center line of the rotation shaft 61. The toggle button 5 is split into the rotating bracket 6 and the button cover plate 7, when in installation, the rotating bracket 6 is firstly installed and placed on the main body, then the lock hook 4 is installed, and then the button cover plate 7 is inserted, so that the swing arm end of the lock hook 4 is gradually overlapped on the rotating shaft 61 and is inserted between the rotating shaft 61 and the button cover plate 7 from top to bottom, errors in combined installation are reduced, and the installation efficiency is improved; in addition, the button cover plate 7 which is inserted and installed can not only shield the rotary support 6 and the latch hook 4 below, but also be convenient to detach and replace, and the button cover plate 7 with different colors and materials can be adapted to different application scenes, so that the suitability of the self-locking pull head 2 is improved. In addition, the toggle button 5 drives the latch hook 4 to switch between the locking state and the unlocking state, so that the problem that the false locking or the locking position of the latch hook 4 is inaccurate is effectively reduced, and the use stability of the self-locking pull head 2 is further improved.

In order to reduce the overall thickness of the self-locking slider 2, the end of the toggle button 5 may interfere with the latch hook 4 when it swings, for which purpose a recess 72 is provided in the bottom wall of the button cover 7, and a portion of the connecting arm 43 falls into the recess 72 when the button cover 7 swings and tilts. The problem of collision interference between the button cover plate 7 and the latch hook 4 is well solved by arranging the avoidance groove 72.

The surrounding cover side wall 81 is mainly used for blocking the button cover plate 7 from sliding out, and further the technical scheme may be that the button cover plate 7 inserted on the support arm 62 can slide out along the extending direction of the sliding rail 64 and the sliding groove 71, so that at least part of the surrounding cover side wall 81 extends upwards to a path where the button cover plate 7 slides out. Of course, depending on the connector mounting structure, the arrangement of the surrounding cover side wall 81 may be different, and when the button cover 7 is withdrawn reversely along the insertion path, the surrounding cover side wall 81 only needs to be arranged at one side of the button cover 7; when the button cover 7 can be withdrawn in the reverse direction along the insertion path and slid forward, the side walls 81 of the enclosure cover are disposed on the front and rear sides of the button cover 7. In this embodiment, the surrounding cover side wall 81 is disposed around the button cover 7, a movable space is formed in the middle of the surrounding cover side wall 81, and the toggle button 5 is movably disposed in the movable space. The enclosing cover 8 not only well shields the rotating bracket, the lock hook 4 and part of the button cover plate 7, but also can limit the sliding looseness of the button cover plate 7, thereby greatly improving the overall aesthetic property of the self-locking pull head 2. The latch hook 4 is hidden and installed under the button cover plate 7 and the enclosing cover 8, so that the problem that sundries or cloth are inserted under the connecting arm 43 of the latch hook 4 to influence the swinging of the connecting arm 43 is reduced, and the moving stability of the self-locking pull head 2 is greatly improved.

Further, the rotating bracket 6 is rotatably connected to the main body 3 or the side wall 81 of the surrounding cover through the rotating shaft 61, and specifically can be at least divided into two mounting cases, wherein the first type is that, as shown in fig. 1 to 3, a shaft mounting arm 36 is arranged on the upper plate 31, an upward mounting opening is arranged on the shaft mounting arm 36, the rotating shaft 61 of the rotating bracket 6 can be placed in the mounting opening from top to bottom, and then the shaft mounting arm 36 is deformed by heating or extrusion to enable the rotating bracket 6 to be rotatably mounted on the main body 3; second, a downward mounting opening (not shown) is provided on the inner side of the side wall 81 of the enclosure cover 8, and the rotating bracket 6 is placed on the upper plate 31 during mounting, and the rotating shaft 61 is blocked into the mounting opening to realize the rotating connection when the enclosure cover 8 is to be mounted.

Further, the utility model also comprises a pull nose 82, wherein the pull nose 82 is arranged on the surrounding cover 8 or the main body 3. A pull cord or tab may be attached to the pull tab 82 such that when the self-locking slider 2 is unlocked, the self-locking slider 2 may be pulled by pulling the pull cord or tab.

Claims (9)

1. The self-locking pull head comprises a main body and an arched lock hook, wherein a tooth channel and a lock hole communicated with the tooth channel are formed in the main body, the lock hook comprises a fixed end, a movable hook arm end and a connecting arm for connecting the fixed end and the hook arm end, the fixed end is connected to the main body, and when the connecting arm is driven by top pressure, the hook arm end can be driven to move, namely, the hook arm end is inserted into the tooth channel through the lock hole or is retracted into the lock hole from the tooth channel; the device is characterized by further comprising a toggle button, wherein the toggle button comprises a rotating bracket, the rotating bracket comprises a rotating shaft and a support arm extending upwards from the rotating shaft, and the connecting arm is overlapped with the rotating shaft so that the connecting arm can swing and the hook arm end can move when the rotating shaft rotates; the toggle button further comprises a button cover plate, wherein the button cover plate is transversely inserted on the support arm, and the connecting arm is positioned below the button cover plate; the surrounding cover comprises a surrounding cover side wall which is positioned at the side edge of the button cover plate but does not prevent the toggle button from rotating and is used for preventing the button cover plate from being withdrawn; the rotating support is rotatably connected to the main body or the side wall of the surrounding cover through the rotating shaft.

2. The self-locking slider of claim 1, further comprising a slide rail and a slide groove, wherein the slide rail and the slide groove are respectively arranged on the support arm and the button cover plate, and the button cover plate is inserted on the rotating bracket through the slide rail and the slide groove and can rotate together with the rotating bracket.

3. The self-locking slider of claim 2, wherein the button cover plate inserted into the arm is capable of sliding out along the extending direction of the sliding rail and the sliding slot, and at least a portion of the side wall of the enclosure cover extends upward to a path along which the button cover plate slides out.

4. The self-locking slider according to any one of claims 1 to 3, wherein the support arms comprise a first support arm and a second support arm, the first support arm and the second support arm are connected to two ends of the rotating shaft, a mounting seam is formed between the first support arm and the second support arm which are oppositely arranged at intervals, and the connecting arm of the latch hook can be further lapped on the rotating shaft through the mounting seam.

5. The self-locking slider of claim 4, wherein a first clamping arm is disposed on the first arm, and a second clamping arm is disposed on the second arm, wherein the first and second clamping arms are protruded toward the mounting slot and are spaced apart.

6. The self-locking slider of claim 4, wherein a tab is provided on the spindle, the tab being capable of swinging the connecting arm when the rotating bracket is rotated.

7. The self-locking slider according to any one of claims 1 to 3, wherein an avoidance groove is provided on a bottom wall of the button cover plate, and a part of the connecting arm falls into the avoidance groove when the button cover plate is tilted by rotation.

8. The self-locking slider of any one of claims 1-3, further comprising a pull tab disposed on the enclosure or body.

9. A zipper assembly comprising a chain belt, further comprising the self-locking slider of any one of claims 1-8 attached to the chain belt for coupling or uncoupling the chain belt.