CN219931876U

CN219931876U - Multipurpose lockset

Info

Publication number: CN219931876U
Application number: CN202321252508.1U
Authority: CN
Inventors: 赵勇; 周国权; 岑欣; 朱爱民
Original assignee: Chengdu Heizhima Technology Co ltd
Current assignee: Chengdu Heizhima Technology Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-10-31
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the field of locks and object connecting mechanisms, in particular to a multipurpose lock. When the lock is in a locking state, one side of a limit ball in the lock tongue is restrained by the outer peripheral surface of the ball ejection shaft and cannot retract into the ball guide hole, the other side of the limit ball is in a clamping structure with a limit ball clamping groove on the side wall of a lock tongue connecting hole, a shifting fork roller is abutted with a ball ejection mechanism sliding block seat to prevent the ball ejection shaft from retracting, at the moment, the limit ball and the lock tongue can be combined to form a back-off structure, and even the lock tongue is suitable for a sliding (translational) sliding rail door, the lock tongue can also be kept in a relatively locked state with a lock catch box, and the lock tongue can be suitable for various door scenes. Compared with a common linear type lock tongue, the inverted buckle structure formed by combining the limiting ball and the lock tongue can also have a better locking effect, and is particularly suitable for unfixed double doors.

Description

Multipurpose lockset

Technical Field

The utility model relates to the field of locks and the field of quick connection objects, in particular to a multipurpose lock.

Background

Currently, common doors such as a horizontal pushing door, a sliding rail door, an unfixed double-opening fence door and the like in the market are usually locked by adopting padlock, chain lock and the like. The lockset is independently separated from the door, is exposed outside, is inconvenient to use, has low reliability, is easy to damage, and has great potential safety hazard.

Besides the jen type hooks, the object is quickly touched, stably connected and quickly disconnected, and the fence door lock (similar mechanism) just meets the requirements.

In addition to the padlock type, currently, hidden doors which can adapt to all doors such as sliding rail doors, vertical hinged doors, unfixed double doors and the like are fresh. Taking a common door lock of a common vertical hinged door as an example, part of the electric control locks directly drive a lock tongue by using a gear motor, wherein the lock tongue comprises a lock body assembly, a lock tongue assembly and a lock catch box, the lock tongue assembly comprises a lock tongue, the lock body assembly comprises a lock shell and a main rotating shaft (usually arranged in a lock liner (lock core) mode and driven by using a mechanical key or an electric control key); the right side end of lock shell is provided with the spring bolt via hole, the left side end of hasp box is provided with the spring bolt connecting hole, main pivot rotates the setting for the lock shell, the axis level of main pivot sets up and extends along the fore-and-aft direction of lock shell, main pivot is furnished with its pivoted unlocking mechanism of drive, main pivot is connected through drive mechanism with the spring bolt, can drive the axial of spring bolt along the spring bolt via hole through the rotation of main pivot and do reciprocating rectilinear motion, when being in the tool to lock locking state, the spring bolt stretches out the spring bolt via hole and inserts in the spring bolt connecting hole, when being in the tool to lock unlocking state, the spring bolt is retracted to in the spring bolt via hole. When the lock is applied to a sliding rail door, the moving direction of the sliding rail door is consistent with the moving direction of the lock tongue, so that a locking state cannot be formed between the lock tongue and the lock catch box, and the lock is not applicable to the sliding rail door naturally.

Although the padlock can adapt to the door scenes, the padlock is inconvenient to use, is poor in aesthetic view and is poor in firmness.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the utility model provides a multipurpose tool to lock, adaptable multiple class scene and the field of quick connect object to convenient to use, structural reliability is high.

The technical scheme adopted for solving the technical problems is as follows: the multipurpose lockset comprises a lock body assembly, a lock tongue assembly and a lock catch box, wherein the lock tongue assembly comprises a lock tongue, and the lock body assembly comprises a lock shell and a main rotating shaft; the right side end of lock shell is provided with the spring bolt via hole, the left side end of hasp box is provided with the spring bolt connecting hole, main pivot rotates the setting for the lock shell, the axis level of main pivot sets up and extends along the fore-and-aft direction of lock shell, main pivot is furnished with the rotatory unlocking mechanism of drive it, main pivot is connected through drive mechanism with the spring bolt, rotation through main pivot can drive the spring bolt along the axial of spring bolt via hole and make reciprocating rectilinear motion, when being in the tool to lock locking state, the spring bolt stretches out the spring bolt via hole and inserts in the spring bolt connecting hole, when being in the tool to lock unlocking state, the spring bolt withdraws to in the spring bolt via hole, the spring bolt is provided with a top bead mechanism sliding mounting groove towards the one side of spring bolt via hole inner, the inner chamber lateral wall of top bead mechanism sliding mounting groove is provided with at least one spheroid guiding hole, install the limit ball in the spheroid guiding hole both ends all are furnished with the limit structure that is used for preventing the limit ball from dropping from the spheroid guiding hole, top bead mechanism sliding mounting groove installs the top bead axle that slides and sets up, the inner end face of top bead axle has the limit ball driving inclined plane that matches with limit ball, top bead mechanism sliding groove top bead mechanism is provided with the outside the limit bead bearing groove, the limit bead is installed to the outside the limit bead mechanism top groove.

The transmission mechanism between main pivot and the spring bolt includes shift fork and connecting rod, the shift fork is connected in main pivot and can with main pivot synchronous revolution, the one end of connecting rod is articulated with the shift fork, the other end is articulated with the spring bolt, install the shift fork gyro wheel on the shift fork, the outer peripheral face of shift fork gyro wheel forms transmission cooperation with the surface of top pearl mechanism slider seat, when the shift fork is driving the spring bolt and is moving towards inserting the spring bolt connecting hole direction, the shift fork gyro wheel can drive the top pearl axle simultaneously and move towards inserting the direction of top pearl mechanism sliding mounting groove, when the shift fork is driving the spring bolt and is moving towards retracting spring bolt through downthehole direction, the direction that the spring drive top pearl axle was towards being close to top pearl mechanism spacer pin moves.

When the lock is in a locking state, one side of the limit ball is restrained by the outer peripheral surface of the ball jacking shaft and cannot retract into the ball guide hole, the other side of the limit ball is in a clamping structure with a limit ball clamping groove on the side wall of the lock tongue connecting hole, and the shifting fork roller is abutted with the ball jacking mechanism sliding block seat so as to prevent the ball jacking shaft from retracting; when the lock is in an unlocking state, the outer end of the ball pushing shaft is limited through the ball pushing mechanism limiting pin, and at the moment, the limiting ball is retracted into the ball guiding hole.

Further is: the lock comprises a trigger mechanism assembly and a bracket assembly, wherein the trigger mechanism assembly comprises a trigger mechanism sliding block and a trigger mechanism pulling piece, the trigger mechanism sliding block is arranged in a sliding manner relative to the lock shell, a trigger mechanism through hole is formed in the right side end of the lock shell, a trigger mechanism driving head matched with the trigger mechanism through hole is arranged at the end part of the trigger mechanism sliding block, the trigger mechanism driving head at least comprises a first state extending out of the right end surface of the trigger mechanism through hole and a second state retracting into the trigger mechanism through hole, the trigger mechanism sliding block is provided with a trigger mechanism spring, and the reset elastic force of the trigger mechanism spring can enable the trigger mechanism driving head to be switched from the second state to the first state; the trigger mechanism plectrum rotates the setting through the plectrum pivot on the trigger mechanism slider, and the axis level of plectrum pivot sets up and extends along the fore-and-aft direction of lock shell, and the fixed plectrum spacing nail that is provided with on the trigger mechanism slider, has set the plectrum torsional spring between trigger mechanism plectrum and the plectrum pivot, and the spring that resets of plectrum torsional spring makes the trigger mechanism plectrum have the rotatory trend of the direction towards being close to the plectrum spacing nail.

The bracket assembly comprises a bracket and a bracket sliding block, the bracket is fixed in the lock shell, the bracket sliding block is slidably arranged on the bracket and can slide up and down relative to the lock shell, a sliding block pin outlet spring is arranged between the bracket sliding block and the bracket, and the reset elastic force of the sliding block pin outlet spring enables the bracket sliding block to have a downward sliding trend relative to the lock shell; the bracket slide block comprises a bracket slide block matching part B positioned at the upper end of the bracket slide block and a bracket slide block matching part A positioned at the lower end of the bracket slide block; the spring force of the plectrum torsional spring is smaller than the spring force of the slider pin-out spring.

The upper side surface of the inner end part of the lock tongue is provided with a limit clamp arranged in a protruding way, and the upper side of the inner end surface of the lock tongue is provided with an inclined pushing surface at a position close to the limit clamp; when the lock tongue moves towards the direction of retracting into the lock tongue through hole, the bracket slide block can be driven to move upwards through the cooperation of the inclined pushing surface and the bracket slide block matching part B; when the lock tongue is completely retracted into the lock tongue through hole, the bracket slide block can move downwards through the slide block pin outlet spring, so that the bracket slide block matching part B is fixedly clamped with the limit clamp, meanwhile, the trigger mechanism driving head is in a first state, the trigger mechanism plectrum is abutted with the plectrum limit nail, and the driving head of the trigger mechanism plectrum is positioned in the right side area of the bracket slide block matching part A; when the driving head of the trigger mechanism is switched from the first state to the second state, the driving head of the trigger mechanism plectrum and the matching part A of the bracket slide block can drive the bracket slide block to move upwards and enable the matching part B of the bracket slide block to be separated from the limit clamp.

The main rotating shaft is sleeved with a shifting fork reset torsion spring, one end of the shifting fork reset torsion spring is abutted against a fixed component in the lock shell, the other end of the shifting fork reset torsion spring is abutted against a fixed component on the shifting fork, and the reset elastic force of the shifting fork reset torsion spring enables the shifting fork to have a trend of driving the lock tongue to move towards the direction of inserting the lock tongue connecting hole.

Further is: be provided with the spacing limit of shift fork on the shift fork, be used for connecting the shift fork connecting rod connecting hole of connecting rod and be used for connecting the shift fork transmission hole of main pivot, the one end of shift fork axis direction is located to the shift fork gyro wheel, the other end of shift fork axis direction is located to the shift fork transmission hole, the shift fork connecting hole sets up in the region between shift fork transmission hole and the shift fork gyro wheel, the spacing arc wall of shift fork gyro wheel with shift fork gyro wheel looks adaptation is provided with to top pearl mechanism slider seat, fixedly on the support is provided with the support stopper. When the lock is in a locking state, the reset elastic force of the shifting fork reset torsion spring enables the shifting fork limit edge of the shifting fork to be abutted to the support limit block, the shifting fork roller is clamped with the shifting fork roller limit arc-shaped groove, meanwhile, the radial section of the main rotating shaft is taken as a projection reference surface, the circle center point of the shifting fork transmission hole is set to be an X point, the circle center point of the shifting fork connecting rod connecting hole is set to be an O point, the circle center of the hinge shaft between the connecting rod and the lock tongue is set to be a Y point, and an included angle XOY formed by the X point, the O point and the Y point is an obtuse angle.

Further is: be provided with the support rectangular hole on the support, support slider mating portion B inserts along the level to locating support rectangular downthehole, fixedly on the support is provided with the support stopper, is provided with the support slider groove on the support stopper, and support slider mating portion A inserts along vertical locating support slider inslot, realizes support slider slidable mounting on the support through support slider mating portion B and the cooperation in support rectangular hole and support slider mating portion A and the cooperation in support slider groove.

Further is: the support is fixedly provided with a slide block pin outlet spring baffle plate, a spring limiting shaft is fixedly arranged on the slide block pin outlet spring baffle plate, a slide block pin outlet spring is sleeved on the spring limiting shaft, one end of the slide block pin outlet spring is connected with the slide block pin outlet spring baffle plate, and the other end of the slide block pin outlet spring is connected with the support slide block; the trigger mechanism spring limiting baffle is fixedly arranged on the support, the trigger mechanism spring center shaft is fixedly arranged on the trigger mechanism spring limiting baffle, the trigger mechanism spring limiting block is fixedly arranged on the trigger mechanism sliding block, the trigger mechanism spring limiting block forms sliding fit with the trigger mechanism spring center shaft through a trigger mechanism guide hole arranged on the trigger mechanism spring limiting block, the trigger mechanism spring is sleeved on the trigger mechanism spring center shaft, one end of the trigger mechanism spring is connected with the trigger mechanism spring limiting baffle, and the other end of the trigger mechanism spring is connected with the trigger mechanism spring limiting block.

Further is: the lock comprises a world pole, be provided with the world pole via hole with world pole looks adaptation on the lock shell, world pole can reciprocate along vertical for the lock shell, world pole has world pole A axle and world pole B axle that extend along lock shell fore-and-aft direction and set up, world pole A axle and world pole B axle are the relative arrangement, be provided with support bar spout on the support, the length direction of support bar spout is along vertical setting, the spring bolt subassembly is including fixing the world pole connecting plate that sets up in the spring bolt inner, be provided with the spring bolt bottom plate spout on the world pole connecting plate, world pole A axle inserts and locates in the support bar spout and form sliding fit, world pole B axle inserts and locates in the spring bolt bottom plate spout and form sliding fit, the extension direction of spring bolt bottom plate spout satisfies the following requirement, when the spring bolt is towards inserting the spring bolt connecting hole direction removal, world pole outwards extends for the lock shell inner chamber when the spring bolt is towards the time of retracting the spring bolt via hole direction, world pole is inwards retracted for the lock shell inner chamber.

Further is: the outer end of the driving head of the triggering mechanism is in a spherical structure, an inclined surface structure or a truncated cone structure.

Further is: the lock bolts are two pieces which are arranged in parallel, and each lock bolt is provided with two limiting balls which are oppositely arranged.

Further is: the inner end face of the ball ejection shaft is provided with a rollback spring mounting groove, the rollback spring is mounted in the rollback spring mounting groove, one end of the rollback spring, which is far away from the bottom of the rollback spring mounting groove, is connected with a rollback pin, one end of the rollback pin is inserted into the rollback spring mounting groove to form sliding fit, and the other end of the rollback pin is abutted against the bottom of the ball ejection mechanism sliding mounting groove.

Further is: the unlocking mechanism is an electric control mechanism, a manual knob mechanism is arranged on the main rotating shaft and comprises a knob, a knob slider, a volute spring and a driving wheel, the knob is fixedly arranged at one end of the main rotating shaft extending out of the lock shell, the main rotating shaft is provided with a rotating shaft middle through hole extending along the axial direction, a rotating shaft slider mandrel is slidably arranged in the rotating shaft middle through hole, a rotating shaft slider mandrel driving head is fixedly arranged at one end, close to the knob, of the rotating shaft slider mandrel, and a rotating shaft slider is fixedly arranged at the other end of the rotating shaft slider mandrel.

The outer side wall of the knob is provided with a knob radial chute, a knob slider is slidably arranged in the knob radial chute, the inner end of the knob slider and a spindle driving head of the rotating shaft slider are combined to form an inclined wedge mechanism, and when the knob slider moves in a direction close to the center of the knob, the knob slider drives the spindle driving head of the rotating shaft slider to move in a direction close to the knob; the knob slider is provided with a knob slider first spring, and the reset elastic force of the knob slider first spring enables the knob slider to have a trend of moving along the radial sliding groove of the knob in a direction away from the center of the knob; the side wall of the knob slider is provided with a knob slider limiting pin, and the side wall of the knob radial chute is provided with a knob slider limiting groove matched with the knob slider limiting pin.

The inner wall of the through hole in the middle of the rotating shaft is provided with a step surface in the middle area, a rotating shaft sliding block spring is arranged between the step surface and the end surface of the rotating shaft sliding block, and the reset elastic force of the rotating shaft sliding block spring enables the rotating shaft sliding block to have a trend of moving away from the knob direction.

The transmission wheel is sleeved on the main rotating shaft through a transmission wheel center through hole, the transmission wheel is arranged in the region of the main rotating shaft where the rotating shaft sliding block is arranged, the unlocking mechanism is in transmission connection with the transmission wheel to drive the transmission wheel to rotate, a transmission wheel arc-shaped limiting groove extending along the circumferential direction of the transmission wheel is formed in the inner side wall of the transmission wheel center through hole, a rotating shaft limiting pin matched with the transmission wheel arc-shaped limiting groove is fixedly arranged on the side wall of the main rotating shaft, and the rotating shaft limiting pin is inserted in the transmission wheel arc-shaped limiting groove and forms sliding fit.

The inner side wall of the central through hole of the driving wheel is provided with a driving wheel sliding groove extending along the radial direction of the driving wheel, a driving wheel sliding block is slidably arranged in the driving wheel sliding groove, the driving wheel sliding block is provided with a driving wheel sliding block spring, and the reset elasticity of the driving wheel sliding block spring enables the driving wheel sliding block A to have a trend of moving along the driving wheel sliding groove towards the direction close to the center of the driving wheel.

The outer side wall of main pivot is provided with the pivot slider bar spout with pivot slider looks adaptation, the outer terminal surface of pivot slider flushes with the outer side wall of main pivot, the outer terminal surface of pivot slider is provided with the separation and reunion recess, a lateral wall of separation and reunion recess and drive wheel slider combination form oblique wedge mechanism, when the pivot slider is moved towards the direction that is close to the knob, the separation and reunion recess of pivot slider can drive wheel slider and move towards keeping away from drive wheel central direction, and can make drive wheel slider and pivot slider bar spout break away from mutually, main pivot is when rotatory to the direction of unblanking this moment, main pivot can't link with the drive wheel, only can drive main pivot rotatory through the knob, realize manual unblanking.

The scroll spring is sleeved on the main rotating shaft, one end of the scroll spring is fixed on a fixed component in the lock shell, and the other end of the scroll spring is fixed on the main rotating shaft; the reset elastic force of the scroll ring spring enables the main rotating shaft to have a trend of driving the lock tongue to move towards the direction of inserting the lock tongue connecting hole, meanwhile, the rotating shaft limiting pin is abutted against one side of the arc limiting groove of the driving wheel, and at the moment, the driving wheel sliding block is aligned with the rotating shaft sliding block strip-shaped sliding groove.

When the knob slider first spring, the rotating shaft slider spring, the vortex ring spring and the driving wheel slider spring are all in a natural state, the driving wheel slider is inserted into the clutch groove on the rotating shaft slider, and at the moment, the main rotating shaft and the driving wheel can synchronously rotate, and unlocking is realized by the unlocking mechanism.

The beneficial effects of the utility model are as follows: when the lock is in a locking state, one side of the limiting ball is restrained by the outer peripheral surface of the ball jacking shaft and cannot retract into the ball guiding hole, the other side of the limiting ball is in a clamping structure with a limiting ball clamping groove on the side wall of the lock tongue connecting hole, the shifting fork roller is abutted against the ball jacking mechanism sliding block seat to prevent the ball jacking shaft from retracting, at the moment, the limiting ball and the lock tongue can be combined to form a back-off structure, and even the lock is suitable for a sliding rail door, the lock tongue can also be kept in a relatively locked state with a lock catch box, and the lock tongue can be suitable for the fields of various door scenes and quick connecting objects. Compared with a common linear type lock tongue, the inverted buckle structure formed by combining the limiting ball and the lock tongue can also have a better locking effect, and is particularly suitable for unfixed double doors or doors with relatively rough installation accuracy. When the gap between the top and bottom rods is large or the front impact is applied to the conventional lockset, once the gap is generated between the lock tongue and the lock catch box, the lock tongue can be directly damaged, and the limiting ball and the lock tongue are combined to form a back-off structure, so that even if the top and bottom rods are damaged or the door leaf is impacted to generate a certain gap, the door can not be opened as long as the screws or welding spots for fixing the lockset and the door leaf are not invalid, and the reliability is higher. In addition, the utility model is preferably provided with the trigger mechanism component, when the trigger mechanism driving head is extruded by the lock catch box and is retracted into the lock shell, the trigger mechanism component can realize the function of automatic locking, and the outer end head of the trigger mechanism driving head is of a spherical structure, an inclined surface structure or a conical frustum structure, can be vertically triggered (the door is rotatably installed), can also be parallelly triggered (the door is horizontally and slidably installed), and is also suitable for various door scenes.

Drawings

FIG. 1 is an exploded schematic view of the overall structure of one embodiment of the present utility model.

Fig. 2 is a perspective view of a fork according to the embodiment shown in fig. 1.

Fig. 3 is an exploded view of the bracket assembly of the embodiment of fig. 1.

FIG. 4 is a three-dimensional schematic view of the internal structure of the unlocking mechanism of the embodiment of FIG. 1.

FIG. 5 is a three-dimensional schematic view of the exterior structure of the unlocking mechanism of the embodiment of FIG. 4.

Fig. 6 is a schematic perspective view of the lock body assembly of the embodiment of fig. 1.

Fig. 7 is an exploded view of the trigger mechanism assembly of the embodiment of fig. 1.

FIG. 8 is a schematic three-dimensional view of the trigger mechanism assembly and bracket assembly of the embodiment of FIG. 1.

Fig. 9 is a schematic diagram of an exploded construction of the bead ejection mechanism of the embodiment of fig. 1.

FIG. 10 is a schematic view of an exploded view of the slider assembly of the embodiment of FIG. 1.

FIG. 11 is a three-dimensional schematic view of the transmission between the unlocking mechanism and the slider assembly according to the embodiment of FIG. 1.

FIG. 12 is a two-dimensional schematic view of the transmission between the unlocking mechanism and the slider assembly according to the embodiment of FIG. 1.

Fig. 13 is a schematic perspective view of the locker of the embodiment shown in fig. 1.

Fig. 14 is an exploded view of the principal components involved in the embodiment shown in fig. 1.

Fig. 15 is a schematic view of the trigger mechanism assembly mounting structure of the embodiment of fig. 1.

Fig. 16 is a three-dimensional schematic view of the trigger mechanism assembly mounting structure of the embodiment of fig. 1 from another perspective.

Fig. 17 is a three-dimensional schematic view of the trigger mechanism assembly mounting structure of the embodiment of fig. 1 from another perspective.

Fig. 18 is a schematic view of a transmission mechanism between the main shaft and the tongue according to the embodiment shown in fig. 1 to 17.

Fig. 19 is a schematic view of a transmission mechanism between the main shaft and the bead ejection mechanism according to the embodiment shown in fig. 1 to 17.

Fig. 20 is a schematic view of the mounting structure of the heaven and earth pole according to the embodiment shown in fig. 1 to 17.

Fig. 21 is a schematic view of the latch bolt assembly of the embodiment of fig. 1-17 during retraction.

Fig. 22 is a schematic view of the latch bolt assembly of the embodiment of fig. 1-17 during a closing process.

Fig. 23 is a schematic view showing a structure of the fork and its transmission mechanism in a locked state according to the embodiment shown in fig. 1 to 17.

Fig. 24 is an enlarged partial schematic view of the trigger mechanism assembly of the embodiment of fig. 1-17 after installation.

Fig. 25 is a schematic view of the trigger mechanism assembly of the embodiment of fig. 1-17 during an unlocking process.

Fig. 26 is a schematic view of the trigger mechanism assembly of the embodiment of fig. 1-17 after unlocking.

Fig. 27 is a schematic view showing a state of the trigger mechanism assembly according to the embodiment shown in fig. 1 to 17 after the trigger mechanism driving head is pressed by an external force.

Fig. 28 is a schematic view of the trigger mechanism assembly of the embodiment of fig. 1-17 after the trigger mechanism drive head is fully retracted.

Fig. 29 is a schematic view of the trigger mechanism assembly of the embodiment of fig. 1-17 after automatic reset of the trigger mechanism drive head.

Fig. 30 is a schematic view of the trigger mechanism assembly of the embodiment of fig. 1-17 in a latched condition.

FIG. 31 is a schematic view showing the external structure of a lock assembly with a manual knob mechanism according to another embodiment of the present utility model.

Fig. 32 is a schematic diagram of the transmission structure of the manual knob mechanism according to the embodiment shown in fig. 31.

FIG. 33 is a schematic view of the transmission of the manual knob mechanism of the embodiment of FIG. 31 from another perspective.

Fig. 34 is a schematic view of the transmission structure of the manual knob mechanism according to the embodiment of fig. 31 at another view angle.

Fig. 35 is a schematic view of the transmission structure of the manual knob mechanism according to the embodiment of fig. 31 at another view angle.

Fig. 36 is a schematic view showing the arrangement of the rotation shaft stopper pin in the manual knob mechanism according to the embodiment shown in fig. 31.

FIG. 37 is a schematic view of the arrangement of the shaft limiter pin of the manual knob mechanism of the embodiment of FIG. 31 when the coil spring is in a natural state.

Fig. 38 is a schematic view showing the installation of the components such as the drive wheel slider and the drive wheel slider spring in the manual knob mechanism according to the embodiment shown in fig. 31.

Fig. 39 is a schematic view showing the assembly of the scroll spring, the drive wheel slider spring, and the like in the manual knob mechanism according to the embodiment shown in fig. 31.

Fig. 40 is a schematic view of a transmission structure between a knob slider and a spindle slider in the manual knob mechanism according to the embodiment shown in fig. 31.

Fig. 41 is a schematic view of a transmission structure between a spindle slider and a transmission wheel slider in the manual knob mechanism according to the embodiment shown in fig. 31.

Fig. 42 is a schematic diagram showing a transmission structure of the manual knob mechanism according to the embodiment of fig. 31 when the spindle slider moves in a direction approaching the knob.

Fig. 43 is a schematic view of a transmission structure of the manual knob mechanism according to the embodiment of fig. 31 when the spindle slider moves away from the knob.

Fig. 44 is a schematic view of the inside structure of the door in an unlocked state when the present utility model is applied to a single door.

Fig. 45 is a schematic view showing the structure of the inside of the door in a closed state when the present utility model is applied to a double door.

Fig. 46 is a schematic view showing the structure of the inside of a door in an unlocked state when the present utility model is applied to a double door.

Fig. 47 is a schematic view of the outside structure of a door in an unlocked state when the present utility model is applied to a double door.

Fig. 48 is a schematic view showing the inner side structure of a door in another unlocking state when the present utility model is applied to a double door.

Fig. 49 is a schematic view of the inside structure of the door in an unlocked state when the present utility model is applied to a sliding rail door.

Fig. 50 is a schematic view showing the inside structure of the door in a locked state when the present utility model is applied to a sliding rail door.

Fig. 51 is a schematic view of the structure of the present utility model in an unlocked state when applied to the rapid connection of two objects.

Fig. 52 is a schematic view showing a structure of the present utility model in a locked state when the present utility model is applied to a quick connection of two objects.

The parts labels in the figures are shown in the following table:

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

It should be noted in advance that, according to the application scenario and the installation mode of the lock, the relative orientation of each component may be changed, and the limitation of the upper, lower, left, right and other orientations in the present utility model is only for facilitating the understanding of the technical scheme in combination with the accompanying drawings.

As shown in fig. 1 to 30, the present utility model comprises a lock body assembly 4, a lock tongue assembly 705 and a locker 8, wherein the lock tongue assembly 705 comprises a lock tongue 705-D, and the lock body assembly 4 comprises a lock housing 403 and a main rotation shaft 401; the right side end of lock case 403 is provided with spring bolt via hole 403-A, the left side end of hasp box 8 is provided with spring bolt connecting hole 801, main pivot 401 rotates setting for lock case 403, the axis level of main pivot 401 sets up and extends along the fore-and-aft direction of lock case 403, main pivot 401 is furnished with the unlocking mechanism 3 that drives its rotation, main pivot 401 is connected through drive mechanism with spring bolt 705-D, can drive spring bolt 705-D through the rotation of main pivot 401 and make reciprocating rectilinear motion along the axial of spring bolt via hole 403-A, when in the tool to lock state, spring bolt 705-D stretches out spring bolt via hole 403-A and inserts in spring bolt connecting hole 801, when in the tool to lock state, spring bolt 705-D withdraws into spring bolt via hole 403-A, one side towards spring bolt via hole 403-A inner end is provided with a pearl mechanism sliding mounting groove 706, the inner chamber lateral wall of pearl mechanism sliding mounting groove 706 is provided with at least one spheroid guiding hole, install spacing ball 703 in the spheroid guiding hole, both ends all are furnished with and are used for preventing spacing ball 703 from falling from the spacing structure in the spheroid guiding hole.

The term "limit ball 703" in the present utility model should be understood in a broad sense, and may be a sphere, or may be a staple with a spherical end, and may generally take the form of a steel ball. The limiting structure for preventing the limiting ball 703 from falling from the ball guiding hole can be a flange arranged on the end surface of the ball guiding hole or can be realized by additional parts, and for convenient assembly, the limiting washer 702 is arranged at the outer end of the ball guiding hole to limit the limiting ball 703 and prevent falling; and the inner end of the ball guiding hole is limited by the outer circular surface of the small-diameter end of the ball ejecting shaft 602, wherein the small-diameter end is that the diameter of the part is smaller than the diameter of the ball ejecting shaft 602 body, and is closely adjacent to the limiting ball driving inclined surface on the ball ejecting shaft 602.

The bolts 705-D may be a single bolt or multiple bolts structure, each bolt 705-D may be provided with one or more limit balls 703, and the number and arrangement of the ball guide holes may be designed according to the arrangement of the limit balls 703. In order to make the locking structure more reliable, the utility model adopts a double-bolt design, namely, the bolts 705-D are two pieces which are arranged in parallel, and each bolt 705-D is provided with two limiting balls 703 which are arranged oppositely, namely, the limiting balls 703 are respectively arranged at two sides of a sliding mounting groove 706 of the bead ejection mechanism.

The ball pushing mechanism sliding mounting groove 706 is internally provided with a ball pushing shaft 602 which is arranged in a sliding manner, the inner end side wall of the ball pushing shaft 602 is provided with a limit ball driving inclined plane matched with the limit ball 703, a rollback spring 603 is arranged between the inner end face of the ball pushing shaft 602 and the groove bottom of the ball pushing mechanism sliding mounting groove 706, the outer end of the ball pushing shaft 602 is fixedly provided with a ball pushing mechanism sliding block seat 601, the outer side of the ball pushing mechanism sliding mounting groove 706 is fixedly provided with a ball pushing mechanism limit pin 704, and the side wall of a lock tongue connecting hole 801 is provided with a limit ball clamping groove matched with the limit ball 703. The limit ball clamping groove is preferably arranged in a cushion block mode.

The transmission mechanism between the main rotating shaft 401 and the lock tongue 705-D comprises a shifting fork 1 and a connecting rod 701, wherein the shifting fork 1 is connected to the main rotating shaft 401 and can synchronously rotate with the main rotating shaft 401, one end of the connecting rod 701 is hinged with the shifting fork 1, the other end of the connecting rod is hinged with the lock tongue 705-D, a shifting fork roller 103 is arranged on the shifting fork 1, the outer circumferential surface of the shifting fork roller 103 and the outer surface of a ball pushing mechanism sliding block seat 601 form transmission fit, when the shifting fork 1 drives the lock tongue 705-D to move towards the direction of inserting the lock tongue connecting hole 801 (namely, the lock tongue 705-D extends outwards from the lock case 403), the shifting fork roller 103 can simultaneously drive the ball pushing shaft 602 to move towards the direction of inserting the ball pushing mechanism sliding mounting groove 706, and when the shifting fork 1 drives the lock tongue 705-D to move towards the direction of retracting the lock tongue through hole 403-A, the retraction spring 603 drives the ball pushing shaft 602 to move towards the direction close to the ball pushing mechanism limiting pin.

When the lock is in a locking state, one side of the limit ball 703 is constrained by the outer peripheral surface of the ball jacking shaft 602 and cannot retract into the ball guide hole, the other side of the limit ball 703 is in a clamping structure with a limit ball clamping groove on the side wall of the lock tongue connecting hole 801, and the shifting fork roller 103 is abutted with the ball jacking mechanism sliding block seat 601 so as to prevent the ball jacking shaft 602 from retracting; when the lock is in an unlocking state, the outer end of the ball pushing shaft 602 is limited by the ball pushing mechanism limiting pin 704, and the limiting ball 703 is retracted into the ball guiding hole.

In the above scheme, the unlocking mechanism 3 may be an electric control mechanism or a manual mechanism, and the unlocking control of the lock is performed by using a mechanical key, and the main shaft 401 is driven to rotate clockwise or counterclockwise by the unlocking mechanism 3.

In the embodiment shown in the drawings, the main rotating shaft 401 rotates anticlockwise, the shifting fork 1 rotates synchronously, when the shifting fork 1 drives the lock tongue 705-D to move towards the direction of inserting the lock tongue connecting hole 801 (i.e. the lock tongue 705-D extends outwards from the lock case 403), the shifting fork roller 103 drives the ball pushing shaft 602 to move towards the direction of inserting the ball pushing mechanism sliding mounting groove 706, and the limit ball driving inclined plane on the ball pushing shaft 602 drives the limit ball 703 to move towards the outer end of the ball guiding hole synchronously, so that the lockset forms a locking state finally. The limit ball 703 and the lock tongue 705-D can be combined to form an inverted buckle structure, and even if the lock tongue assembly is suitable for a sliding rail door, the lock tongue assembly can also keep a relatively locked state with the lock catch box 8, and the lock tongue assembly can be suitable for various door scenes and object connection mechanisms. Compared with the common linear lock tongue, the back-off structure formed by combining the limiting ball 703 and the lock tongue 705-D has better locking effect, when the space between the lock tongue 705-D and the lock catch box 8 is larger or is impacted positively, the lock tongue can be directly damaged once the space between the lock tongue 705-D and the lock catch box 8 is generated, and even if the space between the lock tongue 703 and the lock tongue 705-D is damaged or the door leaf is impacted to generate a certain space, the door can not be opened as long as the screw or the welding point for fixing the lock tongue and the door leaf is not invalid, so that the reliability is higher.

When unlocking is needed, the main rotating shaft 401 rotates clockwise, the shifting fork 1 is driven to rotate clockwise, the lock tongue assembly 705 is driven to retract into the lock shell 403, the shifting fork roller 103 and the ball pushing mechanism sliding block seat 601 are separated, the ball pushing mechanism 6 is synchronously retracted by the thrust of the retraction spring 603, in the retraction process, the limiting ball 703 is limited by the lock tongue through hole 801 and gradually retracts towards the radial center of the ball pushing shaft 602 until the ball is completely retracted into the ball guide hole of the lock tongue 705-D, and the ball pushing mechanism 6 is pushed by the retraction spring 603 until the ball pushing mechanism 6 is retracted to be in contact with the ball pushing mechanism limiting pin 704, so that unlocking is realized.

In order to make the lockset more convenient to use, the utility model is designed with an automatic triggering mechanism to realize automatic locking, and the specific structure is as follows: the lockset comprises a trigger mechanism assembly 5 and a bracket assembly 2, wherein the trigger mechanism assembly 5 comprises a trigger mechanism sliding block 504 and a trigger mechanism pulling piece 503, the trigger mechanism sliding block 504 is arranged in a sliding way relative to a lock shell 403, a trigger mechanism through hole 403-B is arranged at the right side end of the lock shell 403, a trigger mechanism driving head 504-B matched with the trigger mechanism through hole 403-B is arranged at the end part of the trigger mechanism sliding block 504, the trigger mechanism driving head 504-B at least comprises a first state extending out of the right end surface of the trigger mechanism through hole 403-B and a second state retracting into the trigger mechanism through hole 403-B, the trigger mechanism sliding block 504 is provided with a trigger mechanism spring 205, and the reset elastic force of the trigger mechanism spring 205 can enable the trigger mechanism driving head 504-B to be switched from the second state to the first state; the trigger mechanism plectrum 503 is rotatably arranged on the trigger mechanism sliding block 504 through a plectrum rotating shaft 504-C, the axis of the plectrum rotating shaft 504-C is horizontally arranged and extends along the front-back direction of the lock casing 403, the trigger mechanism sliding block 504 is fixedly provided with a plectrum limiting nail 504-A, a plectrum torsion spring 502 is arranged between the trigger mechanism plectrum 503 and the plectrum rotating shaft 504-C, and the reset elastic force of the plectrum torsion spring 502 enables the trigger mechanism plectrum 503 to have a tendency of rotating towards the direction close to the plectrum limiting nail 504-A. When in installation, the trigger mechanism pulling plate 503 can be generally sleeved on the pulling plate rotating shaft 504-C directly, and then the axial limiting is carried out through the head of the pulling plate connecting screw 501.

The bracket assembly 2 comprises a bracket 204 and a bracket sliding block 203, wherein the bracket 204 is fixed in a lock shell 403, the bracket sliding block 203 is slidably arranged on the bracket 204 and can slide up and down relative to the lock shell 403, a sliding block pin outlet spring 201 is arranged between the bracket sliding block 203 and the bracket 204, and the restoring elastic force of the sliding block pin outlet spring 201 enables the bracket sliding block 203 to have a downward sliding trend relative to the lock shell 403; the bracket slide 203 comprises a bracket slide matching part B203-B at the upper end and a bracket slide matching part A203-A at the lower end; the spring force of the paddle torsion spring 502 is less than the spring force of the slider foot spring 201.

The upper side of the inner end of the lock tongue 705-D is provided with a limit card 705-E which is arranged in a protruding way, and the upper side of the inner end surface of the lock tongue 705-D is provided with an inclined pushing surface 705-F at a position close to the limit card 705-E; when the lock tongue 705-D moves towards the inner direction of the retracted lock tongue through hole 403-A, the bracket slide 203 can be driven to move upwards through the cooperation of the inclined pushing surface 705-F and the bracket slide matching part B203-B; when the lock tongue 705-D is completely retracted into the lock tongue through hole 403-A, the bracket slide 203 can move downwards through the slide pin outlet spring 201 and the bracket slide matching part B203-B is clamped and fixed with the limit card 705-E, meanwhile, the trigger mechanism driving head 504-B is in a first state, the trigger mechanism plectrum 503 is abutted with the plectrum limit nail 504-A, and the driving head of the trigger mechanism plectrum 503 is positioned in the right side area of the bracket slide matching part A203-A; when the trigger mechanism driving head 504-B is switched from the first state to the second state, the driving head of the trigger mechanism pulling piece 503 is matched with the bracket slide matching portion a203-a to drive the bracket slide 203 to move upwards, so that the bracket slide matching portion B203-B is separated from the limit card 705-E.

The main rotating shaft 401 is sleeved with a shifting fork reset torsion spring 9, one end of the shifting fork reset torsion spring 9 is abutted against a fixed component (in the embodiment, the fixed component is a fixed shell of the unlocking mechanism 3) in the lock shell 403, the other end of the shifting fork reset torsion spring is abutted against a fixed component on the shifting fork 1, and the reset elasticity of the shifting fork reset torsion spring 9 enables the shifting fork 1 to have a tendency of driving the lock tongue 705-D to move towards the direction of inserting the lock tongue connecting hole 801.

The working principle of the automatic triggering mechanism is as follows: when unlocking, the lock tongue 705-D retreats towards the inside of the lock shell 403, the inclined pushing surface 705-F drives the support slider 203 to slide upwards until the support slider 203 corresponds to the position of the limit card 705-E, the slider pin outlet spring 201 pushes the support slider 203 to slide downwards to clamp the limit card 705-E, at this time, the lock tongue 705-D is kept in a retracted state and cannot be ejected, the trigger mechanism spring 205 pushes the trigger mechanism slider 504, the trigger mechanism driving head 504-B is completely ejected, and preparation is made for automatic locking of the next lockset. Specifically, since the spring force of the paddle torsion spring 502 is smaller than the slider foot spring 201, the trigger mechanism paddle 503 can rotate counterclockwise about the paddle spindle 504-C when blocked by the bracket slider 203, and the trigger mechanism slider 504 is ejected rightward by the trigger mechanism spring 205.

When the door is closed, the trigger mechanism driving head 504-B is pressed by the locking box 801, and in the process that the trigger mechanism driving head 504-B is pressed into the lock case 403 by external force, the trigger mechanism pulling sheet 503 pushes the bracket sliding block 203 to move upwards until the bracket sliding block is separated from the limit card 705-E, so as to release locking, and then the spring bolt assembly 705 is automatically ejected under the action of the reset elastic force of the shifting fork reset torsion spring 9, so that the automatic locking of the lockset is realized. The internal mechanism automatically forms a dead point after the door is closed, so that the lock tongue 705-D can be prevented from being pulled back into the lock body by external force, no back locking is needed, and the use is convenient.

For better adaptability, the outer end of the trigger mechanism driving head 504-B is preferably spherical, beveled or truncated cone. The door can be triggered vertically (the door is installed in a rotating mode) and can be triggered in parallel (the door is installed in a sliding mode), and the door is also suitable for various door scenes.

For the purpose of enabling the locking state to be more stable and reliable, a shifting fork limit edge 104, a shifting fork connecting rod connecting hole 102 for connecting a connecting rod 701 and a shifting fork transmission hole 101 for connecting a main rotating shaft 401 are arranged on the shifting fork 1, a shifting fork roller 103 is arranged at one end of the axis direction of the shifting fork 1, the shifting fork transmission hole 101 is arranged at the other end of the axis direction of the shifting fork 1, the shifting fork connecting rod connecting hole 102 is arranged in an area between the shifting fork transmission hole 101 and the shifting fork roller 103, a shifting fork roller limit arc-shaped groove matched with the shifting fork roller 103 is formed in a bead ejection mechanism sliding block seat 601, and a bracket limiting block 204-B is fixedly arranged on a bracket 204. When the lock is in a locking state, the axis of the shifting fork 1 is horizontally arranged, the reset elastic force of the shifting fork reset torsion spring 9 enables the shifting fork limit edge 104 of the shifting fork 1 to be abutted against the support limit block 204-B, the shifting fork limit edge 104 is horizontally arranged at the moment, the shifting fork roller 103 is clamped with the shifting fork roller limit arc-shaped groove, meanwhile, the radial section of the main rotating shaft 401 is taken as a projection reference surface, the center point of the shifting fork transmission hole 101 is set as an X point, the center point of the shifting fork connecting rod connecting hole 102 is set as an O point, the center of a hinge shaft between the connecting rod 701 and the lock tongue 705-D is set as a Y point, and an included angle formed by the X point, the O point and the Y point is an obtuse angle (the included angle is marked as a in fig. 23). This mated condition prevents the locking bolt assembly 705 or the top and bottom bar 402 from being forcibly pushed into the housing 403 to open the lock by force.

For simple and reliable structure, be provided with support rectangular hole 204-A on the support 204, support slider mating portion B203-B inserts along the level and locates in the support rectangular hole 204-A, fixedly be provided with support stopper 204-B on the support 204, be provided with support slider groove 204-H on the support stopper 204-B, support slider mating portion A203-A inserts along vertical in locating support slider groove 204-H, through support slider mating portion B203-B and support rectangular hole 204-A's cooperation and support slider mating portion A203-A and support slider groove 204-H's cooperation realization support slider 203 slidable mounting is on support 204.

In order to make the structure simple and reliable, a slide block pin outlet spring baffle 204-F is fixedly arranged on a bracket 204, a spring limiting shaft 202 is fixedly arranged on the slide block pin outlet spring baffle 204-F, a slide block pin outlet spring 201 is sleeved on the spring limiting shaft 202, one end of the slide block pin outlet spring 201 is connected with the slide block pin outlet spring baffle 204-F, and the other end is connected with a bracket slide block 203; the support 204 is fixedly provided with a trigger mechanism spring limit baffle 204-M, the trigger mechanism spring limit baffle 204-M is fixedly provided with a trigger mechanism spring center shaft 206, the trigger mechanism slider 504 is fixedly provided with a trigger mechanism spring limit block 504-D, the trigger mechanism spring limit block 504-D forms sliding fit with the trigger mechanism spring center shaft 206 through a trigger mechanism guide hole arranged on the trigger mechanism spring limit block, the trigger mechanism spring 205 is sleeved on the trigger mechanism spring center shaft 206, one end of the trigger mechanism spring 205 is connected with the trigger mechanism spring limit baffle 204-M, and the other end is connected with the trigger mechanism spring limit block 504-D.

In order to make the locking structure more reliable, the lock comprises a world rod 402, a world rod through hole matched with the world rod 402 is arranged on a lock shell 403, the world rod 402 can vertically move up and down relative to the lock shell 403, the world rod 402 is provided with a world rod A shaft 402-A and a world rod B shaft 402-B which are arranged in an extending way along the front and back direction of the lock shell 403, the world rod A shaft 402-A and the world rod B shaft 402-B are oppositely arranged (namely are respectively arranged at two sides of the world rod 402), a bracket strip chute 204-G is arranged on a bracket 204, the length direction of the bracket strip chute 204-G is vertically arranged, a lock tongue assembly 705 comprises a world rod connecting plate fixedly arranged at the inner end of the lock tongue 705-D, a lock tongue bottom plate chute 705-A is arranged on the world rod connecting plate, the world rod A shaft 402-A is inserted into the bracket strip chute 204-G and forms a sliding fit, the extending direction of the lock tongue bottom plate chute 705-A meets the following requirement, and when the lock tongue assembly is inserted into the lock tongue assembly, the lock tongue assembly is retracted towards the outside relative to the direction of the lock shell 403 through hole D when the lock tongue assembly is extended towards the outside relative to the direction of the lock shell 403, and the lock tongue assembly is retracted towards the outside relative to the direction of the space rod 403. The tongue bottom chute 705-a may be a straight line or a smooth continuous curve, which is arranged obliquely, so long as the movement trend of the top and bottom bar 402 is satisfied and no interference is generated.

The term "heaven and earth bar 402" is to be understood in a broad sense, and may be only a heaven bar or only an earth bar, and preferably the heaven bar and the earth bar are arranged at the same time. With the above structure, the top-bottom rod 402 and the latch bolt assembly 705 can be controlled in a coordinated manner to retract or extend synchronously.

In order to make the structure simple and reliable, the inner end face of the bead ejecting shaft 602 is provided with a rollback spring mounting groove, a rollback spring 603 is mounted in the rollback spring mounting groove, one end of the rollback spring 603 away from the bottom of the rollback spring mounting groove is connected with a rollback pin 604, one end of the rollback pin 604 is inserted into the rollback spring mounting groove and forms sliding fit, and the other end is propped against the bottom of the bead ejecting mechanism sliding mounting groove 706.

Referring to fig. 31 to 43, in the scheme that the unlocking mechanism 3 adopts an electric control mechanism, in order to facilitate unlocking under the condition of insufficient electric quantity or no electric quantity (circuit failure, damage to electronic components and the like), the utility model is provided with a manual knob mechanism on a main rotating shaft 401, the manual knob mechanism comprises a knob 18, a knob slider 19, a volute spring 20 and a driving wheel 404, the knob 18 is fixedly arranged at one end of the main rotating shaft 401 extending out of a lock shell 403, the main rotating shaft 401 is provided with a rotating shaft middle through hole extending along the axial direction, a rotating shaft slider mandrel 401-C is slidably arranged in the rotating shaft middle through hole, one end of the rotating shaft slider mandrel 401-C, which is close to the knob 18, is fixedly provided with a rotating shaft slider mandrel driving head 401-D, and the other end of the rotating shaft slider mandrel 401-C is fixedly provided with a rotating shaft slider 401-B. For ease of assembly, knob 18 may be directly sleeved onto main shaft 401 and then secured with set screw 1801.

The outer side wall of the knob 18 is provided with a knob radial chute, a knob slider 19 is slidably arranged in the knob radial chute, the inner end of the knob slider 19 and a rotating shaft slider mandrel driving head 401-D are combined to form an inclined wedge mechanism, and when the knob slider 19 moves towards the direction close to the center of the knob 18, the knob slider 19 drives the rotating shaft slider mandrel driving head 401-D to move towards the direction close to the knob 18; the knob slider 19 is provided with a knob slider first spring 1903, and the reset elastic force of the knob slider first spring 1903 enables the knob slider 19 to move along the knob radial chute in a direction away from the center of the knob 18; the side wall of the knob slider 19 is provided with a knob slider limiting pin 1902, and the side wall of the knob radial chute is provided with a knob slider limiting groove which is matched with the knob slider limiting pin 1902. For easy assembly, the knob slider limiting pin 1902 may generally take the form of a spring pin, i.e., the knob slider limiting pin 1902 is coaxially provided with a knob slider second spring 1901, and the knob slider limiting pin 1902 is mounted by using the restoring elastic force of the knob slider second spring 1901. The knob slider first spring 1903 may be mounted in cooperation with the knob slider pin 1904, and the knob slider first spring 1903 and the knob slider pin 1904 are coaxially disposed in the spring mounting groove, and a portion of the knob slider pin 1904 extends out of the spring mounting groove and abuts against the fixed wall surface of the knob 18.

The inner wall of the through hole in the middle of the rotating shaft is provided with a step surface in the middle area, and a rotating shaft sliding block spring 401-A is arranged between the step surface and the end surface of the rotating shaft sliding block 401-B, and the reset elastic force of the rotating shaft sliding block spring 401-A enables the rotating shaft sliding block 401-B to have a trend of moving away from the knob 18.

The transmission wheel 404 is sleeved on the main rotating shaft 401 through a transmission wheel center through hole, the transmission wheel 404 is arranged in the region of the main rotating shaft 401 where the rotating shaft sliding block 401-B is arranged, the unlocking mechanism 3 is in transmission connection with the transmission wheel 404 to drive the transmission wheel 404 to rotate, a transmission wheel arc-shaped limiting groove extending along the circumferential direction of the transmission wheel center through hole is formed in the inner side wall of the transmission wheel center through hole, a rotating shaft limiting pin 401-E matched with the transmission wheel arc-shaped limiting groove is fixedly arranged on the side wall of the main rotating shaft 401, and the rotating shaft limiting pin 401-E is inserted in the transmission wheel arc-shaped limiting groove and forms sliding fit.

The inner side wall of the central through hole of the driving wheel is provided with a driving wheel chute extending along the radial direction of the driving wheel, a driving wheel sliding block 404-A is slidably arranged in the driving wheel chute, the driving wheel sliding block 404-A is provided with a driving wheel sliding block spring 404-B, and the reset elastic force of the driving wheel sliding block spring 404-B enables the driving wheel sliding block 404-A to have a trend of moving along the driving wheel chute towards the direction close to the center of the driving wheel 404. For the convenience of assembly and use, a driving wheel slider spring 404-B can be matched with a driving wheel slider spring pin 404-C for implementation, the driving wheel slider spring 404-B and the driving wheel slider spring pin 404-C are coaxially arranged in a driving wheel chute, one end of the driving wheel slider spring 404-B is connected with a driving wheel slider 404-A, the other end of the driving wheel slider spring is connected with the driving wheel slider spring pin 404-C, the driving wheel chute is of a through hole structure arranged along the radial direction of the driving wheel 404, a driving wheel ferrule 404-D is fixedly sleeved on the periphery of the driving wheel 404, and the driving wheel ferrule 404-D limits and fixes the outer end of the driving wheel slider spring pin 404-C.

The outer side wall of the main rotating shaft 401 is provided with a rotating shaft sliding block strip-shaped chute matched with the rotating shaft sliding block 401-B, the outer end face of the rotating shaft sliding block 401-B is flush with the outer side wall of the main rotating shaft 401, the outer end face of the rotating shaft sliding block 401-B is provided with a clutch groove, one side wall of the clutch groove is combined with the driving wheel sliding block 404-A to form an inclined wedge mechanism (it is understood that one side wall of the clutch groove is required to be correspondingly provided with an inclined surface structure due to the fact that the inclined wedge mechanism is to be formed), when the rotating shaft sliding block 401-B moves towards the direction close to the knob 18, the clutch groove (the side with the inclined surface) of the rotating shaft sliding block 401-B can drive the driving wheel sliding block 404-A to move towards the direction far away from the center of the driving wheel 404, and the driving wheel sliding block 404-A can be separated from the rotating shaft sliding block strip-shaped chute, at the moment, when the main rotating shaft 401 rotates towards the unlocking direction, the main rotating shaft 401 cannot be linked with the driving wheel 404, and only the knob 18 can drive the main rotating shaft 401 to rotate to realize manual unlocking.

The scroll spring 20 is sleeved on the main rotating shaft 401, one end of the scroll spring 20 is fixed on a fixing member in the lock casing 403 (in the embodiment, the fixing member is a bracket 204, a rotating shaft through hole 204-J is designed on the bracket 204 for the main rotating shaft 401 to pass through), and the other end is fixed on the main rotating shaft 401; the reset elastic force of the scroll spring 20 makes the main rotating shaft 401 have a trend of driving the lock tongue 705-D to move towards the direction of inserting the lock tongue connecting hole 801, and simultaneously makes the rotating shaft limiting pin 401-E abut against one side of the arc-shaped limiting groove of the driving wheel, and at the moment, the driving wheel sliding block 404-A is aligned with the bar-shaped sliding groove of the rotating shaft sliding block.

When the knob slider first spring 1903, the rotating shaft slider spring 401-A, the scroll spring 20 and the driving wheel slider spring 404-B are all in a natural state, the driving wheel slider 404-A is inserted into the clutch groove on the rotating shaft slider 401-B, at this time, the main rotating shaft 401 and the driving wheel 404 can synchronously rotate, and at this time, the unlocking mechanism 3 can be utilized to unlock normally.

When manual unlocking is needed, the knob slider 19 is pushed inwards, the knob slider 19 drives the spindle slider mandrel driving head 401-D to move towards the direction close to the knob 18, the spindle slider 401-B synchronously moves towards the direction close to the knob 18, the clutch groove (one side with an inclined surface) of the spindle slider 401-B drives the driving wheel slider 404-A to move towards the center direction far away from the driving wheel 404, and further the driving wheel slider 404-A is separated from the spindle slider bar-shaped sliding groove, at the moment, when the main spindle 401 rotates towards the unlocking direction, the main spindle 401 cannot be linked with the driving wheel 404, and only the main spindle 401 can be driven to rotate through the knob 18, so that manual unlocking is realized. If the electric control mechanism adopts a manual power generation mode to supply power for unlocking, after unlocking, the trigger mechanism driving head 504-B is carelessly touched, the lock tongue 705-D can automatically pop up, when the door is wanted to be closed again, power generation is needed again, the lock is connected by using the Bluetooth of the mobile phone for unlocking again, and the operation steps are complicated. After the manual knob mechanism scheme is adopted, the knob 18 can be directly utilized for unlocking, and the complicated steps of unlocking after power generation and mobile phone Bluetooth connection pairing are omitted.

The unlocking mechanism 3 can be in various forms of driving connection with the driving wheel 404, such as a belt driving mechanism, a gear driving mechanism and the like. In the embodiment shown in the drawings, a gear transmission mechanism is adopted, the unlocking mechanism 3 drives a large gear 406, and the large gear 406 is in transmission connection with the transmission wheel 404 through a transition gear 405. The unlocking mechanism 3 preferably adopts an electric control mechanism with a generator 302, an input shaft of the generator 302 is in transmission connection with an electric control transmission shaft 301, the electric control transmission shaft 301 is in transmission connection with a large gear 406 through a clutch mechanism, and specific reference can be made to patent document with the authority publication number of CN 213572060U. The large gear 406 in the present utility model is equivalent to the "unlocking piece 612" in patent document CN213572060U, and the electric control transmission shaft 301 in the present utility model is equivalent to the "transmission rod 605" in patent document CN 213572060U.

It will be appreciated that the avoidance of empty slots may be added to the components within the lock housing 403 if there is interference, for example, the spindle via 204-J may be configured on the bracket 204 to allow the spindle 401 to pass through, and the trigger mechanism slide 504 may be configured on the trigger mechanism slide 504 to allow the spindle 401 to pass through.

The utility model can be used in various situations, the single door can be seen in fig. 44 (the lock body assembly 4 is fixed on the single door 11, the lock catch box 8 is fixed on the door frame 10), the double door can be seen in fig. 45 to 48 (the two doors are respectively provided with the lock body assembly 4 and the lock catch box 8 at the butt end), and the sliding door can be seen in fig. 49 and 50 (the lock body assembly 4 is fixed on the sliding door 17, and the lock catch box 8 is fixed on the door frame 10).

The utility model is also applicable to the quick connection and the automatically controlled automatic disconnection of various objects, and particularly can be seen in fig. 51 and 52. In operation, the lock body assembly 4 is secured to the driving object 21 and the lockers 8 are secured to the driven object 22. The lock catch box 8 touches the trigger mechanism driving head 504-B, the lock tongue 705-D pops up rapidly and stretches into the lock catch box 8 hole, the limit ball 703 is pushed out, the back-off is formed, the lock tongue 705-D cannot withdraw from the lock catch box 8 under the condition that the back-off is not released, and therefore the driving object 21 and the driven object 22 are firmly connected together. The operation unlocking mechanism 3 is unlocked, and the driving object 21 can leave the driven object 22.

Claims

1. The multipurpose lockset comprises a lock body assembly (4), a lock tongue assembly (705) and a lock catch box (8), wherein the lock tongue assembly (705) comprises a lock tongue (705-D), and the lock body assembly (4) comprises a lock shell (403) and a main rotating shaft (401); the right side end of lock shell (403) is provided with spring bolt via hole (403-A), the left side end of hasp box (8) is provided with spring bolt connecting hole (801), main pivot (401) rotate setting for lock shell (403), the axis level of main pivot (401) sets up and extends along the fore-and-aft direction of lock shell (403), main pivot (401) are furnished with its pivoted unlocking mechanism (3) of drive, main pivot (401) are connected through drive mechanism with spring bolt (705-D), can drive spring bolt (705-D) through the rotation of main pivot (401) and do reciprocating rectilinear motion along the axial of spring bolt via hole (403-A), when being in the tool to lock locking state, spring bolt (705-D) stretches out spring bolt via hole (403-A) and inserts in spring bolt connecting hole (801), when being in the tool to lock state of unblanking, spring bolt (705-D) withdraw in spring bolt via hole (403-A), its characterized in that: a ball ejection mechanism sliding mounting groove (706) is formed in one side, facing the inner end of the bolt through hole (403-A), of the bolt (705-D), at least one ball guide hole is formed in the inner cavity side wall of the ball ejection mechanism sliding mounting groove (706), a limit ball (703) is mounted in the ball guide hole, limit structures used for preventing the limit ball (703) from falling from the ball guide hole are arranged at two ends of the ball guide hole in a matched mode, a ball ejection shaft (602) is mounted in the ball ejection mechanism sliding mounting groove (706), a limit ball driving inclined plane matched with the limit ball (703) is formed in the inner end wall of the ball ejection shaft (602), a rollback spring (603) is mounted between the inner end face of the ball ejection shaft (602) and the groove bottom of the ball ejection mechanism sliding mounting groove (706), a ball ejection mechanism sliding block seat (601) is fixedly arranged at the outer end of the ball ejection mechanism sliding mounting groove (706), and a limit ball ejection mechanism limit pin (704) is fixedly arranged on the outer side of the ball ejection mechanism sliding mounting groove (706), and the side wall of the bolt connecting hole (801) is provided with a limit ball clamping groove matched with the limit ball (703);

The transmission mechanism between the main rotating shaft (401) and the lock tongue (705-D) comprises a shifting fork (1) and a connecting rod (701), wherein the shifting fork (1) is connected to the main rotating shaft (401) and can synchronously rotate with the main rotating shaft (401), one end of the connecting rod (701) is hinged with the shifting fork (1), the other end of the connecting rod is hinged with the lock tongue (705-D), a shifting fork roller (103) is arranged on the shifting fork (1), the outer circumferential surface of the shifting fork roller (103) is in transmission fit with the outer surface of a top bead mechanism sliding block seat (601), when the shifting fork (1) drives the lock tongue (705-D) to move towards the direction of inserting the lock tongue connecting hole (801), the shifting fork roller (103) can simultaneously drive the top bead shaft (602) to move towards the direction of inserting the top bead mechanism sliding mounting groove (706), and when the shifting fork (1) drives the lock tongue (705-D) to move towards the direction of retracting the lock tongue through hole (403-A), the back spring (603) drives the top bead shaft (602) to move towards the direction of the top bead mechanism limiting pin (704);

when the lock is in a locking state, one side of the limit ball (703) is restrained by the outer peripheral surface of the ball jacking shaft (602) and cannot retract into the ball guide hole, the other side of the limit ball is in a clamping structure with a limit ball clamping groove on the side wall of the lock tongue connecting hole (801), and the shifting fork roller (103) is abutted with the ball jacking mechanism sliding block seat (601) so as to prevent the ball jacking shaft (602) from retracting;

When the lock is in an unlocking state, the outer end of the ball ejection shaft (602) is limited by the ball ejection mechanism limiting pin (704), and at the moment, the limiting ball (703) is retracted into the ball guide hole.

2. The multipurpose lock of claim 1, wherein: the lockset comprises a trigger mechanism component (5) and a bracket component (2),

the trigger mechanism assembly (5) comprises a trigger mechanism sliding block (504) and a trigger mechanism pulling piece (503), the trigger mechanism sliding block (504) is arranged in a sliding way relative to the lock shell (403), a trigger mechanism through hole (403-B) is formed in the right side end of the lock shell (403), a trigger mechanism driving head (504-B) matched with the trigger mechanism through hole (403-B) is arranged at the end part of the trigger mechanism sliding block (504), the trigger mechanism driving head (504-B) at least comprises a first state extending out of the right end surface of the trigger mechanism through hole (403-B) and a second state retracting into the trigger mechanism through hole (403-B), the trigger mechanism sliding block (504) is provided with a trigger mechanism spring (205), and the reset elastic force of the trigger mechanism spring (205) can enable the trigger mechanism driving head (504-B) to be switched from the second state to the first state; the trigger mechanism plectrum (503) is rotationally arranged on the trigger mechanism sliding block (504) through a plectrum rotating shaft (504-C), the axis of the plectrum rotating shaft (504-C) is horizontally arranged and extends along the front-back direction of the lock shell (403), a plectrum limiting nail (504-A) is fixedly arranged on the trigger mechanism sliding block (504), a plectrum torsion spring (502) is arranged between the trigger mechanism plectrum (503) and the plectrum rotating shaft (504-C), and the reset elastic force of the plectrum torsion spring (502) enables the trigger mechanism plectrum (503) to have a tendency of rotating towards the direction close to the plectrum limiting nail (504-A);

The bracket assembly (2) comprises a bracket (204) and a bracket sliding block (203), the bracket (204) is fixed in the lock shell (403), the bracket sliding block (203) is slidably arranged on the bracket (204) and can slide up and down relative to the lock shell (403), a sliding block pin outlet spring (201) is arranged between the bracket sliding block (203) and the bracket (204), and the restoring elastic force of the sliding block pin outlet spring (201) enables the bracket sliding block (203) to have a downward sliding trend relative to the lock shell (403); the bracket slide block (203) comprises a bracket slide block matching part B (203-B) positioned at the upper end of the bracket slide block and a bracket slide block matching part A (203-A) positioned at the lower end of the bracket slide block; the spring force of the plectrum torsion spring (502) is smaller than the spring force of the slider pin-out spring (201),

the upper side surface of the inner end part of the lock tongue (705-D) is provided with a limit card (705-E) which is arranged in a protruding way, and the upper side of the inner end surface of the lock tongue (705-D) is provided with an inclined pushing surface (705-F) at the position close to the limit card (705-E); when the lock tongue (705-D) moves towards the inner direction of the retracted lock tongue through hole (403-A), the bracket sliding block (203) can be driven to move upwards through the cooperation of the inclined pushing surface (705-F) and the bracket sliding block matching part B (203-B); when the lock tongue (705-D) is completely retracted into the lock tongue through hole (403-A), the bracket sliding block (203) can move downwards through the sliding block pin outlet spring (201) and enable the bracket sliding block matching part B (203-B) to be clamped and fixed with the limit clamp (705-E), meanwhile, the trigger mechanism driving head (504-B) is in a first state, the trigger mechanism shifting plate (503) is abutted against the shifting plate limit pin (504-A), and the driving head of the trigger mechanism shifting plate (503) is positioned in the right side area of the bracket sliding block matching part A (203-A); when the driving head (504-B) of the trigger mechanism is switched from the first state to the second state, the driving head of the trigger mechanism plectrum (503) is matched with the matching part A (203-A) of the bracket sliding block so as to drive the bracket sliding block (203) to move upwards and separate the matching part B (203-B) of the bracket sliding block from the limit card (705-E);

A shifting fork reset torsion spring (9) is sleeved on the main rotating shaft (401), one end of the shifting fork reset torsion spring (9) is abutted against a fixed component in the lock shell (403), the other end of the shifting fork reset torsion spring is abutted against a fixed component on the shifting fork (1), and the reset elastic force of the shifting fork reset torsion spring (9) enables the shifting fork (1) to have a trend of driving the lock tongue (705-D) to move towards the direction of inserting the lock tongue connecting hole (801).

3. The multipurpose lock of claim 2, wherein: a shifting fork limiting edge (104), a shifting fork connecting rod connecting hole (102) for connecting a connecting rod (701) and a shifting fork transmission hole (101) for connecting a main rotating shaft (401) are arranged on the shifting fork (1), a shifting fork roller (103) is arranged at one end of the axial direction of the shifting fork (1), the shifting fork transmission hole (101) is arranged at the other end of the axial direction of the shifting fork (1), the shifting fork connecting rod connecting hole (102) is arranged in an area between the shifting fork transmission hole (101) and the shifting fork roller (103), a shifting fork roller limiting arc-shaped groove matched with the shifting fork roller (103) is arranged on a bead pushing mechanism sliding block seat (601), and a bracket limiting block (204-B) is fixedly arranged on a bracket (204);

when the lock is in a locking state, the reset elastic force of the shifting fork reset torsion spring (9) enables the shifting fork limit edge (104) of the shifting fork (1) to be abutted against the support limit block (204-B), the shifting fork roller (103) is clamped with the shifting fork roller limit arc-shaped groove, meanwhile, the radial section of the main rotating shaft (401) is taken as a projection reference surface, the center point of the shifting fork transmission hole (101) is set to be an X point, the center point of the shifting fork connecting rod connecting hole (102) is set to be an O point, the center of a hinge shaft between the connecting rod (701) and the lock tongue (705-D) is set to be a Y point, and an included angle formed by the X point, the O point and the Y point is an obtuse angle.

4. The multipurpose lock of claim 2, wherein: be provided with support rectangular hole (204-A) on support (204), support slider mating part B (203-B) inserts along the level and locates in support rectangular hole (204-A), fixedly on support (204) be provided with support stopper (204-B), be provided with support slider groove (204-H) on support stopper (204-B), support slider mating part A (203-A) inserts along vertical in support slider groove (204-H), through support slider mating part B (203-B) and support rectangular hole (204-A) in the cooperation and support slider mating part A (203-A) and support slider groove (204-H) cooperation realization support slider (203) slidable mounting is on support (204).

5. The multipurpose lock of claim 2, wherein: a sliding block pin outlet spring baffle plate (204-F) is fixedly arranged on the bracket (204), a spring limiting shaft (202) is fixedly arranged on the sliding block pin outlet spring baffle plate (204-F), a sliding block pin outlet spring (201) is sleeved on the spring limiting shaft (202), one end of the sliding block pin outlet spring (201) is connected with the sliding block pin outlet spring baffle plate (204-F), and the other end is connected with the bracket sliding block (203);

the trigger mechanism spring limiting baffle (204-M) is fixedly arranged on the support (204), the trigger mechanism spring limiting baffle (204-M) is fixedly provided with the trigger mechanism spring center shaft (206), the trigger mechanism sliding block (504) is fixedly provided with the trigger mechanism spring limiting block (504-D), the trigger mechanism spring limiting block (504-D) and the trigger mechanism spring center shaft (206) form sliding fit through a trigger mechanism guide hole arranged on the trigger mechanism spring limiting block, the trigger mechanism spring (205) is sleeved on the trigger mechanism spring center shaft (206), one end of the trigger mechanism spring (205) is connected with the trigger mechanism spring limiting baffle (204-M), and the other end of the trigger mechanism spring is connected with the trigger mechanism spring limiting block (504-D).

6. The multipurpose lock of claim 2, wherein: the lock comprises a world rod (402), a world rod through hole which is matched with the world rod (402) is arranged on a lock shell (403), the world rod (402) can vertically move up and down relative to the lock shell (403), the world rod (402) is provided with a world rod A shaft (402-A) and a world rod B shaft (402-B) which are arranged along the front and back direction of the lock shell (403) in an extending way, the world rod A shaft (402-A) and the world rod B shaft (402-B) are oppositely arranged,

the bracket (204) is provided with a bracket strip-shaped chute (204-G), the length direction of the bracket strip-shaped chute (204-G) is vertically arranged, the lock tongue assembly (705) comprises a heaven and earth rod connecting plate fixedly arranged at the inner end of the lock tongue (705-D), the heaven and earth rod connecting plate is provided with a lock tongue bottom plate chute (705-A), an heaven and earth rod A shaft (402-A) is inserted into the bracket strip-shaped chute (204-G) and forms sliding fit, an heaven and earth rod B shaft (402-B) is inserted into the lock tongue bottom plate chute (705-A) and forms sliding fit, the extending direction of the lock tongue bottom plate chute (705-A) meets the following requirements, when the lock tongue (705-D) moves towards the direction of inserting the lock tongue connecting hole (801), the heaven and earth rod (402) extends outwards relative to the inner cavity of the lock casing (403), and when the lock tongue (705-D) moves towards the direction of retracting the lock tongue through hole (403-A).

7. The multipurpose lock of claim 2, wherein: the outer end of the trigger mechanism driving head (504-B) is in a spherical structure, an inclined surface structure or a truncated cone structure.

8. The multipurpose lock of claim 1, wherein: the lock bolts (705-D) are two parallel, and each lock bolt (705-D) is provided with two limiting balls (703) which are oppositely arranged.

9. The multipurpose lock of claim 1, wherein: the inner end face of the ball ejection shaft (602) is provided with a rollback spring mounting groove, a rollback spring (603) is mounted in the rollback spring mounting groove, one end of the rollback spring (603) away from the bottom of the rollback spring mounting groove is connected with a rollback pin (604), one end of the rollback pin (604) is inserted into the rollback spring mounting groove to form sliding fit, and the other end of the rollback pin is abutted to the bottom of the ball ejection mechanism sliding mounting groove (706).

10. The multipurpose lock as claimed in any one of claims 1 to 9, wherein: the unlocking mechanism (3) is an electric control mechanism, a manual knob mechanism is arranged on a main rotating shaft (401), the manual knob mechanism comprises a knob (18), a knob slider (19), a vortex ring spring (20) and a driving wheel (404), the knob (18) is fixedly arranged at one end of the main rotating shaft (401) extending out of a lock shell (403), the main rotating shaft (401) is provided with a rotating shaft middle through hole extending along the axial direction, a rotating shaft slider mandrel (401-C) is slidably arranged in the rotating shaft middle through hole, a rotating shaft slider mandrel driving head (401-D) is fixedly arranged at one end, close to the knob (18), of the rotating shaft slider mandrel (401-C), and a rotating shaft slider (401-B) is fixedly arranged at the other end of the rotating shaft slider mandrel (401-C);

The outer side wall of the knob (18) is provided with a knob radial chute, a knob slider (19) is slidably arranged in the knob radial chute, the inner end of the knob slider (19) and a spindle driving head (401-D) of the spindle slider are combined to form an inclined wedge mechanism, and when the knob slider (19) moves towards the direction close to the center of the knob (18), the knob slider (19) drives the spindle driving head (401-D) of the spindle slider to move towards the direction close to the knob (18); the knob slider (19) is provided with a knob slider first spring (1903), and the reset elastic force of the knob slider first spring (1903) enables the knob slider (19) to have a trend of moving along a knob radial chute in a direction away from the center of the knob (18); a knob slider limiting pin (1902) is arranged on the side wall of the knob slider (19), and a knob slider limiting groove matched with the knob slider limiting pin (1902) is formed on the side wall of the knob radial chute;

the inner wall of the through hole in the middle of the rotating shaft is provided with a step surface in the middle area, a rotating shaft sliding block spring (401-A) is arranged between the step surface and the end surface of the rotating shaft sliding block (401-B), and the reset elastic force of the rotating shaft sliding block spring (401-A) enables the rotating shaft sliding block (401-B) to have a trend of moving away from the knob (18);

the driving wheel (404) is sleeved on the main rotating shaft (401) through a driving wheel center through hole, the driving wheel (404) is arranged in the area of the main rotating shaft (401) where the rotating shaft sliding block (401-B) is arranged, the unlocking mechanism (3) is in driving connection with the driving wheel (404) to drive the driving wheel (404) to rotate, a driving wheel arc-shaped limiting groove extending along the circumferential direction of the driving wheel center through hole is formed in the inner side wall of the driving wheel center through hole, a rotating shaft limiting pin (401-E) matched with the driving wheel arc-shaped limiting groove is fixedly arranged on the side wall of the main rotating shaft (401), and the rotating shaft limiting pin (401-E) is inserted in the driving wheel arc-shaped limiting groove and forms sliding fit;

The inner side wall of the central through hole of the driving wheel is provided with a driving wheel chute extending along the radial direction of the driving wheel, a driving wheel sliding block (404-A) is arranged in the driving wheel chute in a sliding way, a driving wheel sliding block spring (404-B) is arranged on the driving wheel sliding block (404-A), and the reset elastic force of the driving wheel sliding block spring (404-B) enables the driving wheel sliding block (404-A) to have a trend of moving along the driving wheel chute towards the direction close to the center of the driving wheel (404);

the outer side wall of the main rotating shaft (401) is provided with a rotating shaft sliding block strip-shaped chute matched with the rotating shaft sliding block (401-B), the outer end face of the rotating shaft sliding block (401-B) is flush with the outer side wall of the main rotating shaft (401), the outer end face of the rotating shaft sliding block (401-B) is provided with a clutch groove, one side wall of the clutch groove is combined with the driving wheel sliding block (404-A) to form an inclined wedge mechanism, when the rotating shaft sliding block (401-B) moves towards the direction close to the knob (18), the clutch groove of the rotating shaft sliding block (401-B) can drive the driving wheel sliding block (404-A) to move towards the center direction far away from the driving wheel (404), and the driving wheel sliding block (404-A) can be separated from the rotating shaft sliding block strip-shaped chute;

the scroll spring (20) is sleeved on the main rotating shaft (401), one end of the scroll spring (20) is fixed on a fixed component in the lock shell (403), and the other end of the scroll spring is fixed on the main rotating shaft (401); the reset elastic force of the scroll spring (20) enables the main rotating shaft (401) to have a trend of driving the lock tongue (705-D) to move towards the direction of inserting the lock tongue connecting hole (801), meanwhile enables the rotating shaft limiting pin (401-E) to abut against one side of the arc-shaped limiting groove of the driving wheel, and at the moment, the driving wheel sliding block (404-A) is aligned with the bar-shaped sliding groove of the rotating shaft sliding block;

When the knob slider first spring (1903), the rotating shaft slider spring (401-A), the vortex ring spring (20) and the driving wheel slider spring (404-B) are all in a natural state, the driving wheel slider (404-A) is inserted into a clutch groove on the rotating shaft slider (401-B), and at the moment, the main rotating shaft (401) and the driving wheel (404) can synchronously rotate.