CN211173493U

CN211173493U - Lock set

Info

Publication number: CN211173493U
Application number: CN201921529350.1U
Authority: CN
Inventors: 龙胜雄; 王金奎
Original assignee: Shenzhen Romans Smart Home Co ltd
Current assignee: Shenzhen Romans Smart Home Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-08-04
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a lock field, concretely relates to tool to lock, including interior lock body, outer lock body and actuating lever, interior lock body includes interior handle, inner rotating disc and interior clutch and the interior pole socket of fixed connection inner rotating disc, and inner handle connects the inner rotating disc and can drive the inner rotating disc and rotate along the direction of unblanking or locking, and interior clutch can lock or unblock inner rotating disc and rotate along the direction of unblanking. The outer lock body comprises an outer handle, an outer rotating disc and an outer clutch device, the outer handle is connected with the outer rotating disc and can drive the outer rotating disc to rotate along the unlocking or locking direction, an outer rod seat and a rod sleeve which is rotatably sleeved with the outer rod seat are fixedly arranged on the outer rotating disc, the outer clutch device can lock or unlock the rotation of the rod sleeve and the outer rod seat, and the inner rod seat and the rod sleeve are used for being connected with the same driving rod. Through setting up interior clutch and outer clutch and form the double clutch of tool to lock, can prevent that illegal molecule from unblanking, the clamping piece is unblanked or violently unblanked through knocking the shell body, has improved the security performance of tool to lock.

Description

Lock set

Technical Field

The utility model relates to a lock field, especially a tool to lock.

Background

The general door lock is provided with an outdoor panel, an indoor panel, an inner lock body and an outer lock body, wherein an indoor handle is arranged on the indoor panel, and an inner handle rotating shaft is arranged on the indoor handle; the outdoor panel is provided with an outdoor handle, and the outdoor handle is provided with an outer handle rotating shaft. When a lawbreaker strikes the outdoor panel to cause the outdoor panel to be damaged or fall off, the driving rod connecting the indoor handle and the outdoor handle is possibly exposed, and the driving rod is clamped from the outdoor by using tools such as clamping pieces, steel sheets and inserting pieces to rotate, so that the driving rod drives the bolt to move, and the unlocking purpose is achieved. Knocking the outdoor panel can also cause the clutch pin of the outer lock body to exit the clutch hole due to vibration, so that the clutch is unlocked, and illegal persons can rotate the outdoor handle to realize unlocking. For a lock with a clutch device only on the inner lock body, when the outdoor handle is twisted with force, the driving rod may rotate to cause the lock tongue to move.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a tool to lock, aim at solving current tool to lock and unblank, adopt the illegal problem of unblanking of inserted sheet class instrument or violently twist the handle illegal problem of unblanking easily through knocking.

The utility model provides a technical scheme that its technical problem adopted is: the lockset is provided, which comprises an inner lock body and an outer lock body, wherein the inner lock body comprises an inner handle, an inner rotating disc, an inner clutch device and an inner rod seat fixedly connected with the inner rotating disc; the inner handle is connected with the inner rotary disc and can drive the inner rotary disc to rotate along the unlocking or locking direction, and the inner clutch device can lock or unlock the rotation of the inner rotary disc along the unlocking direction; the outer lock body comprises an outer handle, an outer turnplate and an outer clutch device; the outer handle is connected with the outer turnplate and can drive the outer turnplate to rotate along the unlocking or locking direction; the outer rotating disc is fixedly provided with an outer rod seat and a rod sleeve which is rotatably sleeved with the outer rod seat, and the outer clutch device can lock or unlock the rotation of the rod sleeve and the outer rod seat; the inner rod seat and the rod sleeve are used for connecting the same driving rod.

Furthermore, an inner clutch groove is formed in the inner rotary disc, the inner clutch device comprises a first clutch pin capable of extending into or exiting from the inner clutch groove and a driving device capable of driving the first clutch pin to move, and when the first clutch pin extends into the inner clutch groove, the rotation of the inner rotary disc along the unlocking direction is locked.

Furthermore, the inner lock body also comprises a separation block and an elastic pushing mechanism which can push the separation block to move; the separation block and the inner rotary disc are movably arranged, and comprise a main body part and a push top part which can push the first clutch pin out of the inner clutch groove when moving, and the push top part is arranged on the main body part and extends into the inner clutch groove; one end of the elastic pushing mechanism extends out of the outer side of the inner handle, and the other end of the elastic pushing mechanism extends into the inner side of the inner handle and is connected with the separating block.

Furthermore, a first through hole which penetrates through the inner rotary disc along the axial direction is formed in the middle of the inner rotary disc; the inner handle comprises an inner holding part and an inner connecting part used for fixedly connecting the inner rotary disc, and the inner connecting part is provided with a second through hole corresponding to the first through hole; the elastic pushing mechanism comprises a key with one end extending out of the second through hole and the other end connected with the main body part of the separating block and a first elastic piece used for pushing the key to reset; the key is pressed to push the main body part to drive the push top part to move in the inner clutch groove, and the first clutch pin is pushed out of the inner clutch groove.

Furthermore, the ejecting part is connected to the side surface of the main body part, extends outwards relative to the main body part, and an ejecting inclined surface used for ejecting the first clutch pin is arranged at one end of the outward extension.

Furthermore, a guide sliding groove for the first clutch pin to slide when the inner rotary disc rotates along the locking direction is arranged on the side wall of the inner rotary disc; the guide sliding groove is communicated with the inner clutch groove, and the groove depth of the guide sliding groove is gradually reduced from one end close to the inner clutch groove to the other end.

Furthermore, a first boss is arranged on the inner rotary disc; the inner rod seat is arranged on the first boss, and a movable space of the separation block is formed between the inner rod seat and the inner rotary disc.

Furthermore, the number of the first bosses is two, and the first bosses are symmetrically arranged at the edge position of the inner turntable; be equipped with the recess on the first boss, interior pole seat including the seat main part that is used for connecting the actuating lever and two reverse set up in engaging lug in the seat main part, the engaging lug is fixed in the recess.

Further, a second boss is further arranged on the inner rotary disc, and the inner clutch groove is formed between the first boss and the second boss.

Furthermore, the inner lock body further comprises an inner shell, two inner clutch grooves and a first reversing nail extending towards the inner shell are symmetrically arranged on the inner rotary disc, a first torsion spring is arranged between the inner rotary disc and the inner shell, and two positioning bulges distributed on two sides of the inner rotary disc are arranged on the inner shell; the first reversing nail abuts against the first free end of the torsion spring, and one of the positioning protrusions abuts against the second free end; after the inner rotary disc rotates 180 degrees, the first reversing nail can be switched to abut against the second free end, and the first free end abuts against the other positioning protrusion.

Furthermore, the outer clutch device comprises a clutch and a second clutch pin movably arranged on the outer rotating disc, a first clutch hole is formed in the outer rod seat, a second clutch hole is formed in the rod sleeve, and when the rod sleeve rotates relative to the outer rod seat until the first clutch hole corresponds to the second clutch hole, the second clutch pin can extend into the first clutch hole and the second clutch hole to lock the rotation of the rod sleeve and the outer rod seat.

Furthermore, a limiting mechanism for limiting the rotation angle of the rod sleeve relative to the outer rod seat is arranged between the rod sleeve and the outer rod seat.

Further, the limiting mechanism comprises a protrusion arranged on one of the rod sleeve and the outer rod seat and a non-full-circle groove arranged on the other of the rod sleeve and the outer rod seat, and when the rod sleeve rotates relative to the outer rod seat, the protrusion moves in the non-full-circle groove.

Furthermore, the outer rod seat is provided with an inner cavity for sleeving the rod sleeve, the non-full-circle groove is formed in the outer end of the inner cavity of the outer rod seat, and the protrusion is arranged on the outer wall of the rod sleeve and corresponds to the non-full-circle groove.

Furthermore, the outer lock body further comprises a rod sleeve pressing sheet, a rod hole used for being connected with the driving rod is formed in the rod sleeve, the rod sleeve pressing sheet is arranged at the outer end of the outer rod seat and limits the rod sleeve in the inner cavity of the outer rod seat, and a third through hole corresponding to the rod hole is formed in the rod sleeve pressing sheet.

Furthermore, a second clutch seat is arranged on the outer rotating disc, the second clutch pin is movably arranged in the second clutch seat, and a second elastic piece for applying force to enable the second clutch pin to move towards the direction of disengaging from the second clutch hole is further arranged in the second clutch seat.

Furthermore, a second reversing nail and two second clutch seats which are symmetrically arranged are arranged on the outer rotating disc, a second clutch pin and a second elastic piece are arranged in each second clutch seat, two first clutch holes are symmetrically arranged on the outer rod seat, and two second clutch holes are symmetrically arranged on the rod sleeve.

Further, the clutch comprises an ejector capable of ejecting the second clutch pin and a driver for driving the ejector to move.

Furthermore, the lockset also comprises a biological characteristic collector, the biological characteristic collector is arranged on the outer handle, a wiring channel penetrating through the turntable is arranged in the middle of the outer turntable, a guide channel connected with the biological characteristic collector penetrates through the wiring channel in the handle, and the wiring channel extends out of the outer turntable.

The beneficial effects of the utility model reside in that, through the locking is realized to the inner rotating disk of interior lock body and interior clutch's cooperation the inner rotating disk is along the rotation of the direction of unblanking, and thereby the rotation of the actuating lever that the pole socket is connected in locking and interior pole socket avoids rotating the actuating lever from outdoor use inserted sheet formula instrument and drives the spring bolt removal and reach the purpose of illegally unblanking simultaneously. And the outer clutch device can realize the linkage of the rod sleeve and the outer rod seat, and the outer rotating disc can be rotated to drive the outer rod seat and the rod sleeve to rotate together so as to drive the driving rod connected with the rod sleeve to rotate to realize unlocking or locking. Through setting up the dual separation and reunion that interior clutch and outer clutch formed the tool to lock, can prevent that illegal molecule from unblanking, the clamping piece is unblanked or violently unblanked through knocking the shell body, has improved the security performance of tool to lock.

Drawings

The following description of embodiments of the present invention will be made in further detail with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic structural view of the inner lock body and the outer lock body of the lock according to the present invention in a combined state;

fig. 2 is an exploded schematic view of the inner lock body provided by the present invention;

fig. 3 is an exploded schematic view of the inner lock body provided by the present invention;

fig. 4 is an exploded schematic view of the outer lock body provided by the present invention;

fig. 5 is an exploded schematic view of the outer lock body provided by the present invention;

FIG. 6 is a perspective view of the inner dial and the disengagement block of the inner lock body;

figure 7 is a perspective view of the driving device of the inner lock body;

figure 8 is a cross-sectional structural schematic view of the inner lock body;

FIG. 9 is a partial enlarged view of the connection portion of FIG. 8;

FIG. 10 is an enlarged partial schematic view of FIG. 8;

FIG. 11 is an enlarged partial schematic view of the torsion spring mechanism of the inner lock body;

FIG. 12 is a perspective view of the sleeve and the stem socket of the outer lock body;

FIG. 13 is a perspective view of the outer turntable;

figure 14 is a cross-sectional structural schematic view of the outer lock body;

fig. 15 is a partially enlarged schematic view of fig. 14.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

It should be noted that, for convenience of description, the specification of the present application adopts spatially relative terms, such as "bottom", "side", "upper", "lower", "front", and the like, to describe the spatial positional relationship of one component or feature with other components or features as shown in the drawings. It will be understood that the spatially relative terms are intended to encompass different orientations of the component or feature in use or operation in addition to the orientation depicted in the figures.

As shown in fig. 1 to 5, the utility model provides a lock, including interior lock body 1 and outer lock body 2, interior lock body 1 includes interior casing 11, locates interior handle 12 in the interior casing 11 outside and locating interior inboard inner rotary disc 13 of casing 11 and interior clutch 14, interior casing 11 includes interior panel 111 and inner decking 112 with interior panel 111 fixed connection, the door plant is inboard hugged closely to interior apron 112, interior panel 111 with the interior holding chamber that forms between the interior apron 112. The inner rotary disk 13 is disposed in the inner containing cavity, and the inner rotary disk 13 is rotatable in an unlocking direction or a locking direction, preferably, the unlocking direction is a pressing direction of the inner handle 12, and the locking direction is a lifting direction of the inner handle 12. The inner rotating disk 13 is fixedly connected with the inner handle 12, the inner handle 12 can drive the inner rotating disk 13 to rotate, an inner rod seat 132 is fixedly arranged at one end of the inner rotating disk 13, a connecting hole 1321 used for connecting the driving rod 3 is formed in the inner rod seat 132, the driving rod 3 can output unlocking or locking power under the driving of the inner rotating disk 13, and the inner clutch device 14 can lock or unlock the inner rotating disk 13 to rotate along the unlocking direction. The outer lock body 2 comprises an outer shell 21, an outer handle 22 and an unlocking signal collector 23 which are arranged outside the outer shell 21, an outer turnplate 24 and an outer clutch device 25 which are arranged inside the outer shell 21, wherein the outer shell 21 comprises an outer panel 211 and an outer cover plate 212 which is fixedly connected with the outer panel 211, an outer accommodating cavity is formed between the outer panel 211 and the outer cover plate 212, the outer handle 22 comprises an outer holding part 221 and an outer connecting part 222 which is fixedly connected with the outer holding part 221, and the outer holding part 221 and the outer connecting part 222 are integrally formed. The outer rotating disk 24 can rotate along the unlocking or locking direction, the unlocking or locking direction of the outer rotating disk 24 is matched with the inner rotating disk 13, the pressing direction of the outer handle 22 is the unlocking direction, the lifting direction is the locking direction, the outer rotating disc 24 is arranged in the outer accommodating cavity, one side of the outer rotating disc 24 is provided with a shaft lever 241, the external connection portion 222 is provided with a shaft hole 2221 corresponding to the shaft lever 241, a fourth through hole 2111 matched with the shaft 241 is arranged on the outer panel 211, the shaft 241 is inserted into the fourth through hole 2111 and is inserted into the shaft hole 2221, preferably, the shaft 241 and the shaft hole 2221 are provided with corresponding threads, the screw 26 is inserted between the shaft 241 and the shaft hole 2221 to fixedly connect the shaft 241 and the shaft hole 2221, the outer handle 22 may rotate the outer dial 24 together to transmit the unlocking power. The outer rotating disc 24 is fixedly provided with an outer rod seat 242 and a rod sleeve 244 movably sleeved with the outer rod seat 242, and the rod sleeve 244 and the inner rod seat 132 are used for connecting the same driving rod 3. The external clutch device 25 can lock or unlock the rotation of the rod sleeve 244 and the external rod seat 242, and the external rotating disk 24 can be rotated to drive the external rod seat 242 to rotate together. The unlocking signal collector 23 is fixed on the outer shell 21 and electrically connected with a main control module (not shown in the figure), the unlocking signal collector 23 receives input information and then sends the information to the main control module for comparison, if the information meets the requirement, the main control module sends an electronic instruction to the inner clutch device 14 and the outer clutch device 25, the inner clutch device 14 unlocks the rotation of the inner rotary disc 13 along the unlocking direction, the outer clutch device 25 locks the rotation of the rod sleeve 244 and the outer rod seat 242, and the outer handle 22 is rotated to drive the outer rotary disc 24 to drive the driving rod 3 to rotate so as to drive the lock tongue to move for unlocking. Preferably, the unlocking signal collector 23 is a biological characteristic collector, a password input module or an IC card sensing module, and the like, the unlocking signal collector 23 is electrically connected with the main control module, and the main control module can identify information from the unlocking signal collector 23. The double clutch of the lock is formed by arranging the inner clutch device 14 and the outer clutch device 25, so that illegal persons are prevented from directly driving the outer rotary disc 24 to drive the driving rod 3 to rotate to unlock or unlocking by using a clamping piece by violently twisting the outer handle 22.

As shown in fig. 1, 2 and 6, the inner rotary disk 13 is further provided with an inner clutch groove 131. The inner clutch device 14 is fixed on the inner panel 111, and includes a first clutch pin 141 capable of extending into or exiting from the inner clutch groove 131 and a driving device 142 connected to the first clutch pin 141, the driving device 142 receives an electronic instruction and then drives the first clutch pin 141 to extend into or exit from the clutch groove 131, when the first clutch pin 141 extends into the inner clutch groove 131, the rotation of the inner rotary disk 13 in the unlocking direction is locked, and when the first clutch pin 141 exits from the inner clutch groove 131, the rotary disk can rotate in the unlocking direction. Through the cooperation of interior clutch groove 131 and first clutch pin 141 can realize the locking the rotation of inner rotating disc 13 along the direction of unblanking, the rotation of the actuating lever 3 that is connected with inner rotating disc 13 is locked simultaneously, thereby avoids using the inserted sheet formula instrument to rotate actuating lever 3 from outdoor and drive the bolt and remove and reach illegal purpose of unblanking, is difficult to shake first clutch pin 141 out through beating in addition interior shell 11 the interior clutch groove 131. Even if the outer lock body is removed, the first clutch pin 141 and the inner clutch groove 131 are still matched to limit the rotation of the driving rod 3 along the unlocking direction, and illegal molecules cannot achieve the purpose of illegal unlocking by rotating the driving rod 3. The lockset further comprises a separating block 15 and an elastic pushing mechanism 16 capable of pushing the separating block 15 to move, wherein the separating block 15 and the inner rotary disc 13 are movably arranged, the separating block 15 can move relative to the inner rotary disc 13, the separating block 15 comprises a main body part 151 and a pushing part 152 capable of pushing the first clutch pin 141 out of the inner clutch groove 131 during moving, and the pushing part 152 is arranged on the main body part 151 and extends into the inner clutch groove 131. When the separation block 15 moves relative to the inner rotary disk 13, the pushing top 152 can move in the inner clutch groove 131. One end of the elastic pushing mechanism 16 extends out of the inner housing 11, and the other end thereof extends into the inner side (containing cavity) of the inner housing 11 and is connected with the separating block 15. Inner rotating disk 13 middle part is equipped with along the first through-hole 133 of axial through setting, interior handle 12 includes interior handle 121 and is used for fixed connection inner connecting portion 122 of inner rotating disk 13, interior handle 121 with inner connecting portion 122 integrated into one piece, be equipped with on inner connecting portion 122 with the corresponding second through-hole 1221 in first through-hole 133 position, be equipped with on interior panel 111 with the corresponding fifth through-hole 1111 in first through-hole 133 and second through-hole 1221 position. The elastic pushing mechanism 16 includes a key 161 having one end extending from the second through hole 1221 and the other end connected to the main body 151 of the separation block 15, and a first elastic member 162 for pushing the key 161 to reset, pressing the key 161 can push the main body 151 to drive the top pushing portion 152 to move in the inner clutch slot 131, the first clutch pin 141 extends into the inner clutch slot 131 and is located at the front end of the top pushing portion 152 in the moving direction, the top pushing portion 152 moving forward can push the first clutch pin 141 and push the first clutch pin 141 out of the inner clutch slot 131, so as to unlock the inner dial 131 from rotating in the unlocking direction, in this process, the resistance when the key 161 is pressed to push the main body 151 mainly comes from the first clutch pin 141 and the first elastic member 162, and the resistance value is small, the pressing is light, and the use experience is good. The inner handle 12 transmits unlocking power through the inner rotary disk 13, but does not output the unlocking power by rotating the driving rod 3 through the key 161 and the separating block 15, and the force required for rotating the inner handle 12 and thus rotating the inner rotary disk 13 is small by separating the inner rotary disk 13 transmitting the unlocking power from the separating block 15 rotating the unlocking inner rotary disk 13. The first elastic member 162 can push the button 161 to reset, when the inner handle 12 is rotated, the button 161 must be pressed and the state that the first clutch pin 141 moves out of the inner clutch groove 131 is maintained, and the inner handle 12 can drive the inner rotary disk 13 to rotate along the unlocking direction, so that the potential safety hazard that an illegal person unlocks from a cat eye is solved.

As shown in fig. 6, the pushing top portion 152 is connected to a side surface of the main body portion 151 and extends outward relative to the main body portion 151, a pushing inclined surface 1521 for pushing against the first clutch pin 141 is disposed at an end of the pushing top portion 152 extending outward, a thickness of the pushing inclined surface 1521 is gradually reduced along the direction extending outward, preferably, a tip of the pushing inclined surface 1521 still has a certain thickness, and after the first clutch pin 141 is moved out of the inner clutch slot 131, the tip of the pushing inclined surface 1521 abuts against the first clutch pin 141. Preferably, the body portion 151 is integrally formed with the push top portion 152. The top pushing part 152 is connected to the side of the main body part 151, and the thickness of the separating block 15 is smaller in a manner of extending outward relative to the main body part 151, so that the overall structure of the lock is made thinner.

As shown in fig. 6, a guide sliding groove 134 for sliding the first clutch pin 141 when the inner rotary disk 13 rotates in the locking direction is disposed on the side wall of the inner rotary disk 13, the guide sliding groove 134 communicates with the inner engaging groove 131, and the groove depth of the guide sliding groove 134 gradually decreases from one end close to the inner engaging groove 131 to the other end. The first clutch pin 141 can be moved out of the inner clutch groove 131 from the guide sliding groove 134, so that the first clutch pin 141 does not lock the rotation of the inner rotary disk 13 in the locking direction, and when the door is closed, the inner handle 12 is rotated in the locking direction to rotate the inner rotary disk 13, thereby driving the driving lever 3 to lock.

As shown in fig. 1, 2 and 6, the inner lever seat 132 is used for connecting the driving lever 3, the driving lever 3 is used for driving the lock cylinder to push the lock tongue to move to open or close the lock, and the driving lever 3 is preferably a square lever, but in other embodiments, the driving lever 3 may be in other shapes. Since the inner lever seat 132 is fixedly connected to the inner rotary disk 13, the inner rotary disk 13 can drive the driving rod 3 to rotate by driving the inner lever seat 132 to rotate. The inner rotary disk 13 is provided with a first boss 135, the inner rod seat 132 is fixedly mounted on the first boss 135, and a movable space of the separating block 15 is formed between the inner rod seat 132 and the inner rotary disk 13 to limit a moving space of the top pushing part 152 in the inner clutch groove 131. Preferably, the number of the first bosses 135 is two, and the first bosses 135 are symmetrically disposed at the edge of the inner rotary disk 13, grooves 1351 are disposed on the first bosses 135, the inner rotary disk 132 includes a seat body 1322 for connecting the driving rod 3 and an engaging lug 1323 oppositely disposed on the seat body 1322, screw holes are disposed on the engaging lug 1323 and the grooves 1351, the engaging lug 1323 is fixed in the groove 1351 through a threaded connection, and by disposing the grooves 1351 on the first bosses 135, when the inner rotary disk 13 drives the inner rotary disk 132 to rotate, not only depending on the threaded connection between the engaging lug 1323 and the first bosses 135, but also the grooves 1351 of the first bosses 135 can exert an urging force on the inner rotary disk 132 by themselves, thereby increasing the structural stability between the inner rotary disk 132 and the inner rotary disk 13. The inner rotary disk 13 is further provided with two second bosses 136, the inner clutch grooves 131 are formed between the first bosses 135 and the second bosses 136, the number of the second bosses 136 is two, and the two second bosses are symmetrically arranged at the edge position of the inner rotary disk 13, so that two inner clutch grooves 131 are formed, and correspondingly, the number of the pushing tops 152 is two, and the two pushing tops respectively extend into the two inner clutch grooves 131. In other embodiments, the inner clutch groove 131 may be disposed on the first boss 135.

As shown in fig. 1, 2, 6 to 11, the elastic pushing mechanism 16 further includes a key rod 163, the key rod 163 penetrates through the first through hole 133, the second through hole 1221 and the fifth through hole 1111, one end of the key rod 163 is fixedly connected to the main body 151 of the separating block 15, the other end of the key rod 163 is fixedly connected to the key 161, the key rod 163 is fixed to the separating block 15 and the key 161 through a threaded connection, and the key rod 163 can be pushed to drive the pushing portion 152 to move in the inner engaging groove 131 by pressing the key 161. The inner connecting portion 122 is provided with a key cavity 1222 therein, the key 161 is disposed in the key cavity 1222, the first elastic member 162 is a spring, the spring is sleeved outside the key rod 163, and two ends of the spring respectively abut against the bottom of the key cavity 1222 and the lower surface of the key 161. Preferably, the button cavity 1222 is composed of a first cavity 12221 and a second cavity 12222 that are mutually penetrated but have different diameters, the diameter of the first cavity 12221 is smaller than the diameter of the second cavity 12222, the spring is located in the first cavity 12221, a button cap 1611 is disposed at an end of the button 161 facing the inside connecting portion 122, the button cap 1611 is disposed in the second cavity 12222, the diameter of the button cap 1611 is larger than the diameter of the first cavity 12221 and smaller than or equal to the diameter of the second cavity 12222, the button cap 1611 cannot move continuously in the original direction when being pressed against the bottom of the second cavity 12222, and when an external force applied to the button cap 1611 is removed, the spring pushes the button cap 1611 to reset under the action of a restoring force, and the button rod 163 fixedly connected to the button 161 drives the separation block 15 to reset. The inner rotating disc 13 is further provided with a sleeve 137 extending towards the inner handle 12, the inner connecting portion 122 is provided with a cavity 1223 corresponding to the sleeve 137, the sleeve 137 is fixedly connected with the cavity 1223, and when the inner handle 12 is rotated, the sleeve 137 drives the inner rotating disc 13 to rotate together.

As shown in fig. 1, 2, 6 to 11, the inner rotary disk 13 is symmetrically provided with two inner engaging grooves 131 formed by the first bosses 135 and the second bosses 136, and a first reversing pin 138 extending toward the inner panel 111, a first torsion spring 17 is disposed between the inner rotary disk 13 and the inner panel 111, the first torsion spring 17 has a first free end 171 and a second free end (not shown), the inner panel 111 is provided with two positioning protrusions 112 symmetrically distributed on both sides of the inner rotary disk 13, and the first free end 171 and the second free end respectively abut against the two positioning protrusions 112. When the first reversing pin 138 abuts against the first free end 171 of the first torsion spring 17 at the same time, one of the positioning protrusions 112 abuts against the second free end; after the inner rotary disk 13 rotates 180 degrees, the first reversing pin 138 can be switched to abut against the second free end, and the first free end 171 abuts against the other positioning protrusion 112. When the inner handle 12 is rotated to unlock or lock, the inner rotary disk 13 drives the first reversing pin 138 to push the first free end 171 or the second free end of the first torsion spring 17 abutting against the first reversing pin 138 to rotate together, and after the inner handle 12 is released, the compressed first torsion spring 17 pushes the inner rotary disk 13 and the inner handle 12 to reset under the action of the restoring force. When the inner rotary disk 13 rotates 180 degrees, the other inner clutch groove 131 is driven to rotate 180 degrees, and the first clutch pin 141 is matched with the inner clutch groove 131 to lock or unlock the rotation of the inner rotary disk 13. Through symmetrically arranging the first boss 135 and the second boss 136 on the inner rotary disk 13 and arranging the two pushing tops 152 on the separating block 15, after rotating the inner rotary disk 13180 degrees, the inner handle 12 fixedly connected with the inner rotary disk 13 can also rotate 180 degrees, thereby realizing the switching of the left-opening state and the right-opening state of the inner handle 12. Preferably, the inner clutch device 14 further includes a first clutch seat 143, the first clutch seat 143 is located between the driving device 142 and the inner rotary disk 13, the first clutch seat 143 is fixedly connected to the inner panel 111, and the first free end 171 and the second free end of the first torsion spring 17 rotate between the first clutch seat 143 and the positioning protrusion 112, so as to limit a rotation angle of the first torsion spring 17 and prevent the first torsion spring 17 from being easily damaged due to over-compression. The first clutch seat 143 is provided with a clutch hole 431, the first clutch pin 141 penetrates through the clutch hole 431 and extends into or exits the inner clutch groove 131, and the first clutch seat 143 is matched with the first clutch pin 141 to prevent the inner rotating disc 13 from rotating with too large force to cause displacement or breakage of the first clutch pin 141.

As shown in fig. 3, 4 and 12, the external clutch device 25 includes a clutch 251 and a second clutch pin 243 movably disposed on the external rotation disc 24, the external lever seat 242 is provided with a first clutch hole 2421, the lever sleeve 244 is provided with a second clutch hole 2441, when the lever sleeve 244 rotates relative to the external lever seat 242 until the second clutch hole 2441 corresponds to the first clutch hole 2421, the second clutch pin 243 can extend into the first clutch hole 2421 and the second clutch hole 2441, so as to lock the rotation of the external lever seat 242 and the lever sleeve 244, and when the external rotation disc 24 is rotated to drive the external lever seat 242 to rotate together, the external lever seat 242 transmits power to the lever sleeve 244 through the second clutch pin 243, so that the lever sleeve 244 also rotates to unlock or lock the lock. When the second clutch pin 243 exits the second clutch hole 2441, the outer rotating disc 24 cannot drive the rod sleeve 244 to rotate together, and the outer handle 22 rotates in an idle rotation manner. The second clutch pin 243 is difficult to vibrate to extend into the first clutch hole 2421 and the second clutch hole 2441 by knocking the outer shell 21 of the lock so as to achieve the purpose of unlocking, and the first clutch hole 2421 and the second clutch hole 2441 are possibly dislocated during knocking, so that the second clutch pin 243 is difficult to extend into the second clutch hole 2441 even if extending into the first clutch hole 2421, thereby improving the safety performance and the anti-theft performance of the lock. Preferably, a limiting mechanism for limiting the rotation angle of the rod sleeve 244 relative to the outer rod seat 242 is arranged between the rod sleeve 244 and the outer rod seat 242, the limiting mechanism comprises a protrusion 2442 arranged on one of the rod sleeve 244 and the outer rod seat 242 and a non-circular groove 2422 arranged on the other, when the rod sleeve 244 rotates relative to the outer rod seat 242, the protrusion 2442 moves in the non-circular groove 2422, the relative rotation between the rod sleeve 244 and the outer rod seat 242 is limited through the matching of the protrusion 2442 and the non-circular groove 2422, and when one of the rod sleeve 244 and the outer rod seat 242 is rotated to a certain angle, the other one of the rod sleeve 244 and the outer rod seat 242 is limited to continue rotating in the original rotation direction. The outer pole support 242 is provided with an inner cavity 2423 for sleeving the pole sleeve 244, and the pole sleeve 244 can rotate relative to the outer pole support 242 in the inner cavity 2423. Preferably, the non-circular groove 2422 is disposed at the outer end of the inner cavity 2423 of the outer shaft seat 242 to facilitate the installation of the shaft sleeve 244 on the outer shaft seat 242, the protrusion 2442 is disposed on the outer wall of the shaft sleeve 244 and corresponds to the non-circular groove 2422, the non-circular groove 2422 is defined by a portion recessed into the inner side wall of the outer shaft seat 242 and the outer side wall of the outer shaft seat 242, and in other embodiments, the non-circular groove 2422 may also be defined by a through groove penetrating through the inner side wall and the outer side wall of the outer shaft seat 242. The lockset further comprises a lever sleeve pressing plate 27, a lever hole 2443 used for connecting a driving lever 3 is arranged on the lever sleeve 244, the lever sleeve pressing plate 27 is arranged at the outer end of the outer lever seat 242 and fixedly connected with the outer lever seat 242 and used for limiting the lever sleeve 244 in an inner cavity 2423 of the outer lever seat 242, a third through hole 271 corresponding to the lever hole 2443 is arranged on the lever sleeve pressing plate 27, the driving lever 3 penetrates through the third through hole 271 and the lever hole 2443, and when the second clutch pin 243 extends into the first clutch hole 2421 and the second clutch hole 2441, the outer rotating disc 24 is rotated to drive the lever sleeve 244 to rotate together so as to drive the driving lever 3 to drive the lock tongue to move to achieve unlocking or locking.

As shown in fig. 3, 4, 12 and 13, a second clutch seat 245 is disposed on the outer rotating disc 24, the second clutch pin 243 is movably disposed in the second clutch seat 245, the second clutch pin 243 moves in the second clutch seat 245 to extend into or withdraw from the first clutch hole 2421 and the second clutch hole 2441, a third clutch hole 2451 penetrating through both ends is disposed in the second clutch seat 245, the third clutch hole 2451 corresponds to the second clutch hole 2441 and the first clutch hole 2421, the second clutch pin 243 is movably disposed in the third clutch hole 2451, when the second clutch pin 243 is disposed in the first clutch hole 2421 and the second clutch hole 2441, one end of the second clutch pin 243 is still disposed in the third clutch hole 2451, and when the second clutch pin 243 links the lever sleeve 244 and the outer lever seat 242, the second clutch seat 245 can make the stress distribution of the second clutch pin 245 more uniform, the second clutch pin 243 is prevented from being broken due to an excessive rotational force. The second clutch seat 245 is further provided with a second elastic member 2452 for applying a force to move the second clutch pin 243 away from the second clutch hole 2441, the second elastic member 2452 is a spring, the spring is sleeved on the second clutch pin 243, the spring is arranged in the third clutch hole 2451, when the second clutch pin 243 is forced to extend into the second clutch hole 2441, the spring is compressed to generate an elastic restoring force, after the external force is removed, the second clutch pin 243 is restored under the action of the elastic restoring force, when the outer housing 21 is knocked, the second clutch seat 245 is not only used for damping the second clutch pin 243, but also the spring can limit the second clutch pin 243 from moving towards the second clutch hole 2441, so that the second clutch pin 243 cannot enter the second clutch hole 2441 basically due to the knocking shock. Preferably, a second direction changing pin 246 and two second clutch seats 245 are symmetrically arranged on the outer rotating disc 24, each second clutch seat 245 is internally provided with the second clutch pin 243 and a second elastic member 2452 for pushing the second clutch pin 243 to reset, the outer lever seat 242 is symmetrically provided with two first clutch holes 2421, the lever sleeve 244 is symmetrically provided with two second clutch holes 2441, and the two third clutch holes 2451 correspond to the two second clutch holes 2441. A second torsion spring 28 is disposed between the outer rotating disk 24 and the outer panel 211, the second torsion spring 28 has a third free end 281 and a fourth free end 282, two positioning protrusions (not shown in the drawings) symmetrically disposed on both sides of the outer rotating disk 24 are disposed on the outer panel 211, the third free end 281 and the fourth free end 282 respectively abut against the two positioning protrusions, and when the second direction changing nail 246 abuts against the third free end 281 of the second torsion spring 28, one of the positioning protrusions abuts against the fourth free end 282; after the outer rotating disc 24 rotates 180 degrees, the second direction changing nail 246 can be switched to abut against the fourth free end 282, the third free end 281 abuts against another positioning protrusion, when the outer handle 22 is rotated to unlock or lock, the outer rotating disc 24 drives the second direction changing nail 246 to push the third free end 281 or the fourth free end 282 of the second torsion spring 28 abutting against the second direction changing nail 246 to rotate together, and after the outer handle 22 is released, the compressed second torsion spring 28 pushes the outer rotating disc 24 and the outer handle 22 to reset under the action of a restoring force.

As shown in fig. 3, 4, 11 to 15, the clutch 251 is disposed on the outer casing 21, and includes an ejector 2511 capable of ejecting the second clutch pin 243 and a driver 2512 for driving the ejector 2511 to move, the driver 2512 is electrically connected to the main control module, a wiring channel penetrating through the outer rotating disc 24 is disposed in the middle of the outer rotating disc 24, and a guide connected to the unlocking signal collector 23 passes through the wiring channel via the inside of the outer handle 22 and extends out of the outer rotating disc 24 through the wiring channel. The main control module may send an electronic instruction to the driver 2512, the driver 2512 may drive the ejector 2511 to eject the second clutch pin 243 to extend into the second clutch hole 2441 after receiving the electronic instruction, and after the driver 2512 drives the ejector 2511 to reset, the second clutch pin 243 losing the acting force of the ejector 2511 resets under the action of the second elastic member 2452. After the second direction changing nail 246 is loosened, and the outer rotating disc 24 is rotated 180 degrees, the other second clutch pin 243 which is symmetrically arranged is matched with the ejector 2511, and correspondingly, the outer handle 22 which is fixedly connected with the outer rotating disc 24 is also rotated 180 degrees, so that the left door opening or the right door opening of the outer handle 22 is realized. Preferably, the ejector 2511 is in the shape of an arc, and when the driver 2512 drives the ejector 2511 to move towards the second clutch hole 2441 to abut against the outer rotating disc 24, the ejector 2511 is attached to the side wall of the outer rotating disc 24, so as to ensure that the ejector 2511 always abuts against the second clutch pin 243 when the outer rotating disc 24 rotates, so that the ejector can keep extending into the second clutch hole 2441.

When the door is unlocked from the outside, the unlocking signal collector 23 sends the collected information to the main control module, and for the condition that the information meets the requirement, the main control module outputs an electronic instruction to the driving device 142 and the driver 2512, the driving device 142 receives the electronic instruction and then drives the first clutch pin 141 to exit from the inner clutch groove 131, so as to unlock the rotation of the inner rotating disc 13 along the unlocking direction, the driver 392 receives the electronic instruction and then drives the second clutch pin 243 to extend into the first clutch hole 2421 and the second clutch hole 2441, and then the outer handle 22 is rotated to drive the driving rod 3 to drive the lock bolt to move for unlocking. When the door is unlocked, the push button 161 is pressed to push the push top portion 152 to move, so that the first clutch pin 141 is pushed out of the inner clutch groove 131, at this time, the second clutch pin 2441 does not extend into the first clutch hole 2421 and the second clutch hole 2441, and the inner handle 12 is rotated to drive the driving rod 3 to rotate so as to unlock.

It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations should fall within the scope of the appended claims.

Claims

1. The utility model provides a lockset, includes interior lock body and outer lock body, its characterized in that:

the inner lock body comprises an inner handle, an inner rotating disc, an inner clutch device and an inner rod seat fixedly connected with the inner rotating disc; the inner handle is connected with the inner rotary disc and can drive the inner rotary disc to rotate along the unlocking or locking direction, and the inner clutch device can lock or unlock the rotation of the inner rotary disc along the unlocking direction;

the outer lock body comprises an outer handle, an outer turnplate and an outer clutch device; the outer handle is connected with the outer turnplate and can drive the outer turnplate to rotate along the unlocking or locking direction; the outer rotating disc is fixedly provided with an outer rod seat and a rod sleeve which is rotatably sleeved with the outer rod seat, and the outer clutch device can lock or unlock the rotation of the rod sleeve and the outer rod seat;

the inner rod seat and the rod sleeve are used for connecting the same driving rod.

2. The lock according to claim 1, wherein an inner clutch groove is formed in the inner rotary disk, the inner clutch device includes a first clutch pin that can extend into or withdraw from the inner clutch groove, and a driving device that can drive the first clutch pin to move, and when the first clutch pin extends into the inner clutch groove, the rotation of the inner rotary disk in the unlocking direction is locked.

3. The lock according to claim 2, wherein said inner lock body further comprises a separation block and an elastic pushing mechanism capable of pushing said separation block to move; the separation block and the inner rotary disc are movably arranged, and comprise a main body part and a push top part which can push the first clutch pin out of the inner clutch groove when moving, and the push top part is arranged on the main body part and extends into the inner clutch groove; one end of the elastic pushing mechanism extends out of the outer side of the inner handle, and the other end of the elastic pushing mechanism extends into the inner side of the inner handle and is connected with the separating block.

4. The lockset of claim 3 wherein said inner dial has a first opening extending axially therethrough at a center thereof; the inner handle comprises an inner holding part and an inner connecting part used for fixedly connecting the inner rotary disc, and the inner connecting part is provided with a second through hole corresponding to the first through hole; the elastic pushing mechanism comprises a key with one end extending out of the second through hole and the other end connected with the main body part of the separating block and a first elastic piece used for pushing the key to reset; the key is pressed to push the main body part to drive the push top part to move in the inner clutch groove, and the first clutch pin is pushed out of the inner clutch groove.

5. The lock according to claim 3, wherein the ejector is connected to a side surface of the main body and extends outward relative to the main body, and an end of the outward extension is provided with an ejector slope for ejecting the first clutch pin.

6. The lock according to claim 3, wherein a guide groove for sliding the first clutch pin when the inner rotary disk rotates in the locking direction is formed on a side wall of the inner rotary disk; the guide sliding groove is communicated with the inner clutch groove, and the groove depth of the guide sliding groove is gradually reduced from one end close to the inner clutch groove to the other end.

7. The lockset of claim 3 wherein said inner dial is provided with a first boss; the inner rod seat is arranged on the first boss, and a movable space of the separation block is formed between the inner rod seat and the inner rotary disc.

8. The lock according to claim 7, wherein the number of the first bosses is two, and the first bosses are symmetrically arranged at the edge position of the inner turntable; be equipped with the recess on the first boss, interior pole seat including the seat main part that is used for connecting the actuating lever and two reverse set up in engaging lug in the seat main part, the engaging lug is fixed in the recess.

9. The lock according to claim 7, wherein a second boss is further provided on the inner dial, and the inner engaging groove is formed between the first boss and the second boss.

10. The lock according to claim 3, wherein the inner lock body further comprises an inner housing, the inner dial is symmetrically provided with two inner clutch grooves and a first reversing pin extending towards the inner housing, a first torsion spring is arranged between the inner dial and the inner housing, and the inner housing is provided with two positioning protrusions distributed on two sides of the inner dial; the first reversing nail abuts against the first free end of the torsion spring, and one of the positioning protrusions abuts against the second free end; after the inner rotary disc rotates 180 degrees, the first reversing nail can be switched to abut against the second free end, and the first free end abuts against the other positioning protrusion.

11. The lock according to any one of claims 1-10, wherein the external clutch device comprises a clutch and a second clutch pin movably disposed on the external dial, the outer lever seat is provided with a first clutch hole, the lever sleeve is provided with a second clutch hole, and when the lever sleeve rotates relative to the outer lever seat to a position where the first clutch hole corresponds to the second clutch hole, the second clutch pin can extend into the first clutch hole and the second clutch hole to lock the rotation of the lever sleeve and the outer lever seat.

12. The lock according to claim 11, wherein a limiting mechanism is provided between the lever sleeve and the outer lever seat for limiting the rotation angle of the lever sleeve relative to the outer lever seat.

13. The lock of claim 12, wherein the limiting mechanism includes a protrusion on one of the sleeve and the outer rod seat and a non-circular recess on the other, wherein the protrusion moves within the non-circular recess when the sleeve is rotated relative to the outer rod seat.

14. The lock according to claim 13, wherein said outer rod base has an inner cavity for receiving said rod sleeve, said non-circular groove is formed in an outer end of said inner cavity of said outer rod base, and said protrusion is formed on an outer wall of said rod sleeve at a position corresponding to said non-circular groove.

15. The lock according to claim 14, wherein said outer lock body further comprises a rod sleeve pressing plate, said rod sleeve is provided with a rod hole for connecting with the driving rod, said rod sleeve pressing plate is provided at the outer end of said outer rod base to limit said rod sleeve in the inner cavity of said outer rod base, said rod sleeve pressing plate is provided with a third through hole corresponding to said rod hole.

16. The lock according to claim 11, wherein a second clutch seat is disposed on the outer rotating disc, the second clutch pin is movably disposed in the second clutch seat, and a second elastic member for applying a force to move the second clutch pin in a direction away from the second clutch hole is further disposed in the second clutch seat.

17. The lock according to claim 16, wherein said outer rotating disk has a second reversing pin and two second clutch seats symmetrically disposed thereon, each of said second clutch seats has said second clutch pin and a second elastic member disposed therein, said outer lever seat has two first engaging holes symmetrically disposed thereon, and said lever sleeve has two second engaging holes symmetrically disposed thereon.

18. The lock according to claim 17, wherein the clutch includes an ejector that can eject the second clutch pin and a driver that drives the ejector to move.

19. The lock of claim 11, further comprising a biometric characteristic collector disposed on the outer handle, wherein a wiring channel penetrating through the rotating disc is disposed in the middle of the outer rotating disc, and a lead wire connected to the biometric characteristic collector is disposed in the wiring channel and extends out of the outer rotating disc through the wiring channel.