Closed type occlusion lock capable of being matched with various lock holes

Abstract

The utility model discloses a closed type meshing lock capable of being matched with various lock holes. The closed type meshing lock comprises a first lock seat, a second lock seat and a first lock cylinder. The first lock seat comprises a first lock seat shell, the first lock seat shell comprises a connecting seat, a fixing plate, an inner shifting block and a shifting plate, two connecting seat limiting grooves matched with the first lock cylinder are formed in the connecting seat, and the two connecting seat limiting grooves can meet the use requirements of a left door and a right door correspondingly. The two sides of the shifting plate are each provided with a plurality of shifting plate shifting grooves matched with the first lock cylinders, all the shifting plate shifting grooves correspond to different installation positions of the first lock cylinders, and therefore the requirements of lock holes in multiple positions can be met, the installation difficulty of a user can be lowered, and the user can conduct installation by himself / herself more conveniently.

Description

Technical Field

[0001] This utility model relates to the field of locks, and in particular to a closed interlocking lock that can be adapted to various keyholes. Background Technology

[0002] Different door sizes and keyhole positions, along with the distinction between left- and right-opening doors, make it difficult for users to find suitable locks, leading to significant installation challenges and inconvenience. To ensure smooth lock installation on doors with various keyhole positions, a closed-lock system compatible with multiple keyhole locations and left- and right-opening doors is needed. This would meet the needs of a wider range of users and provide a more comprehensive solution. Utility Model Content

[0003] The main purpose of this utility model is to provide a closed interlocking lock that can adapt to multiple keyholes and is compatible with the installation requirements of left and right opening doors, thereby meeting the needs of more users and adapting to a variety of keyholes.

[0004] This utility model proposes a closed interlocking lock that can be adapted to various keyholes, comprising a first lock seat, a second lock seat, and a first lock cylinder;

[0005] The first lock seat includes a first lock seat housing, a rotation limiting member, a toggle member, and a locking member. The first lock seat housing includes a base and an inner cover. The rotation limiting member, the toggle member, and the locking member are disposed between the base and the inner cover. The second lock seat is provided with a locking rod. Locking is completed by the cooperation of the locking member and the locking rod. The rotation limiting member is disposed on the rear side of the locking member and limits the locking member. The rear side of the toggle member cooperates with the rotation limiting member. By toggling the toggle member, the rotation limiting member can be rotated, thereby releasing the limitation on the locking member.

[0006] The base includes a connecting seat, a fixing plate, an inner lever, and a lever plate;

[0007] The connecting seat is fixedly connected to the door by screws. The connecting seat is provided with two connecting seat limiting grooves that are adapted to the first lock cylinder. The two connecting seat limiting grooves are adapted to the usage requirements of left-opening door and right-opening door respectively.

[0008] The fixing plate is fixedly connected to the connecting seat and covers the connecting seat. The first lock cylinder is connected to the fixing plate by screws. The inner lever is rotatably connected to the fixing plate. The first lock cylinder body inside the first lock cylinder passes through the fixing plate and is inserted into the inner lever, and can drive the inner lever to rotate through the first lock cylinder.

[0009] Multiple actuation plate slots are provided on both sides of the actuation plate, and each actuation plate slot corresponds to a different installation position of the first lock cylinder. The top of the inner actuation block is provided with an inner actuation block paddle that is adapted to the actuation plate slot. By the cooperation of the inner actuation block paddle with the actuation plate slot, the actuation plate can be driven to move in the horizontal direction, and the actuation member can be actuated by the actuation plate, thereby driving the rotation limiting member to rotate and releasing the limiting of the engaging member.

[0010] Preferably, the connecting seat is provided with a plurality of positioning posts, and the fixing plate is provided with positioning holes adapted to the positioning posts. Each positioning post corresponds to a toggle plate slot. By the cooperation of the positioning post and the positioning hole, the inner toggle piece can be placed exactly in the corresponding toggle plate slot.

[0011] Preferably, the inner cover is provided with a first connecting shaft, and the two sides of the actuating plate are provided with actuating plate connecting grooves. The actuating plate connecting grooves and the first connecting shaft of the inner cover are cooperated to enable the actuating plate to be connected to the inner cover.

[0012] A first torsion spring is provided on the first connecting shaft of the inner cover. The first torsion spring enables the first connecting shaft of the inner cover to be positioned on one end of the connecting groove of the actuating plate. After the actuating plate finishes moving, the first torsion spring can drive the actuating plate to reset.

[0013] Preferably, the actuating plate is provided with an actuating plate pushing groove, and the actuating plate pushing groove is bent upward to form an actuating plate pushing block. The bottom of the actuating member is provided with a first lower actuating member block. The actuating plate pushing block and the first lower actuating member block cooperate to drive the actuating member to rotate through the actuating plate.

[0014] Preferably, the first lock seat further includes a button, a lower pressure plate, and a lower pressure return spring;

[0015] The button is rotatably connected to the inner side of the inner cover and the top of the button extends from the top of the inner cover. The lower pressure plate is provided with a first lower pressure plate connecting groove and a second lower pressure plate connecting groove arranged side by side. The lower pressure return spring is disposed in the second lower pressure plate connecting groove.

[0016] A button lever is provided on the front side of the button, and the button lever is located in the first connecting groove of the lower pressure plate. A second lower lever block of the lever is provided at the bottom of the toggle member, which is bent to the side and adapted to the lower pressure plate.

[0017] Pressing the button causes the lower pressure plate to move downwards, and the lower pressure plate presses the second lower lever block of the toggle member, thereby causing the toggle member to rotate.

[0018] Preferably, the first lock base further includes a second lock cylinder, the second lock cylinder including a second lock cylinder housing, a second lock cylinder body, and a second lock cylinder limiting plate;

[0019] The lower pressure plate and the lower pressure return spring are disposed on the inner side of the second lock cylinder housing, the second lock cylinder limiting plate is disposed at the bottom of the inner side of the second lock cylinder housing, the second lock cylinder body is disposed on the second lock cylinder limiting plate inside the second lock cylinder housing, and the top of the second lock cylinder housing is fixedly connected to the top of the inner cover by means of screw connection;

[0020] The bottom of the second lock cylinder body is provided with a second lock cylinder body paddle, and the second lock cylinder limiting plate is provided with a second lock cylinder limiting plate actuation groove that is adapted to the second lock cylinder body paddle. By rotating the second lock cylinder body paddle, the second lock cylinder limiting plate can be driven to extend and lock the lower pressure plate, thereby locking the button through the second lock cylinder. The lock reaches the deadbolt state and cannot be unlocked by the button. It can only be unlocked by the key to open the second lock cylinder.

[0021] Preferably, the first lock seat further includes an electromagnetic unlocking device. The connecting seat is provided with a connecting seat through hole, through which an external line can pass and connect to the electromagnetic unlocking device. The electromagnetic unlocking device includes a horizontally movable magnetic core and an electromagnetic unlocking device lever provided on the side of the movable magnetic core. The lever is provided with a lever side groove. The lever cooperates with the lever side groove to drive the lever to rotate.

[0022] Preferably, the electromagnetic unlocking device further includes an electromagnetic unlocking device body, a first electromagnetic reset spring, and a coil;

[0023] The electromagnetic unlocking device has an unlocking channel on its main body. The coil is wound around the outside of the unlocking channel. The moving magnetic core is disposed inside the unlocking channel. The inner side of the unlocking channel has an unlocking channel reset groove. The first electromagnetic reset spring is disposed inside the unlocking channel reset groove. The electromagnetic unlocking device lever is disposed behind the moving magnetic core and passes through the moving magnetic core. When the moving magnetic core moves towards the inside of the unlocking channel, it compresses the first electromagnetic reset spring through the electromagnetic unlocking device lever. After the movement is completed, the moving magnetic core is reset by the first electromagnetic reset spring.

[0024] Preferably, the electromagnetic unlocking device further includes a second electromagnetic reset spring and a buffer component;

[0025] The moving magnetic core has a moving magnetic core cavity on its inner side. The buffer has a U-shaped buffer connecting groove on one side. The side of the buffer without the buffer connecting groove is located inside the moving magnetic core cavity. The second electromagnetic reset spring is located between the buffer and the moving magnetic core cavity. The buffer is snapped onto the electromagnetic unlocking device lever through the buffer connecting groove, and the end of the buffer extends to the outside of the moving magnetic core.

[0026] The buffer can reduce the noise when the moving magnetic core collides with the electromagnetic unlocking device body and improve the service life of the moving magnetic core. The second electromagnetic reset spring drives the buffer to reset.

[0027] Preferably, it also includes a transfer connector and an eccentric adjustment component;

[0028] The inner cover is provided with a second connecting shaft. One end of the second connecting shaft is rotatably connected to the inner cover, and the other end of the second connecting shaft is rotatably connected to the inner cover through the eccentric adjustment member. The transfer connecting member and the actuating member are both rotatably connected to the second connecting shaft.

[0029] The actuating element is provided with an actuating element side actuating block on its side. The actuating element can drive the transfer connecting element to rotate through the actuating element side actuating block. The transfer connecting element can drive the rotation limiting element to rotate.

[0030] An eccentric hole is provided on the rear side of the eccentric adjustment component. The second connecting shaft of the inner cover is connected to the eccentric adjustment component through the eccentric hole. By rotating the eccentric adjustment component, the distance between the transfer connecting component and the rotation limit component can be adjusted, thereby meeting the actual use needs of customers.

[0031] The beneficial effects of this new type of closed-lock locking system, which can adapt to various keyholes, are as follows:

[0032] 1. By setting two connecting seat limiting grooves on the connecting seat that are compatible with the first lock cylinder, it is possible to adapt to the usage requirements of left-opening and right-opening doors respectively.

[0033] 2. By providing multiple toggle plate slots on both sides of the toggle plate that are compatible with the first lock cylinder, each toggle plate slot corresponds to a different installation position of the first lock cylinder, thereby adapting to the needs of lock holes in multiple positions.

[0034] 3. By installing a buffer inside the electromagnetic unlocking device, the noise when the moving magnetic core collides with the electromagnetic unlocking device body can be reduced and the service life of the moving magnetic core can be increased, thereby increasing the overall service life and reducing maintenance costs.

[0035] 4. By setting an eccentric adjustment component, the distance between the intermediate connecting component and the rotation limit component can be adjusted, thereby overcoming the influence of manufacturing tolerances and thermal expansion and contraction on the distance between the two, reducing the requirements for machining accuracy during production, and thus effectively reducing production costs. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the closed interlocking lock of the present invention, which can be adapted to various keyholes;

[0037] Figure 2 This is a schematic diagram of the internal structure of the first lock seat of the closed interlocking lock of this utility model, which can be adapted to various keyholes.

[0038] Figure 3 This is a schematic diagram of the inner cover of the closed interlocking lock of this utility model, which can be adapted to various keyholes.

[0039] Figure 4 This is a schematic diagram of the structure of the second lock seat of the closed interlocking lock of this utility model, which can be adapted to various keyholes;

[0040] Figure 5 This is a disassembly diagram of the second lock cylinder of the closed interlocking lock of this utility model, which can be adapted to various keyholes;

[0041] Figure 6 This is a disassembly diagram of the electromagnetic unlocking device of the closed-type interlocking lock that can be adapted to various keyholes according to the present invention.

[0042] Figure 7 This is a schematic diagram of the eccentric adjustment component of the closed-type interlocking lock of this utility model, which can be adapted to various keyholes.

[0043] Figure 8 This is a perspective view of the eccentric adjustment component of the closed-type interlocking lock of this utility model, which can be adapted to various keyholes.

[0044] Figure 9 This is a perspective view of the actuating component of the closed-type interlocking lock of this utility model, which can be adapted to various keyholes.

[0045] Figure 10 This is a schematic diagram of the base of the closed-type interlocking lock of this utility model, which can be adapted to various keyholes.

[0046] Figure 11 This is a perspective view of the connecting seat of the closed interlocking lock of this utility model, which can be adapted to various keyholes.

[0047] Figure 12 This is a perspective view of the actuating plate of the closed-type interlocking lock of this utility model, which can be adapted to various keyholes.

[0048] Figure 13 This is a perspective view of the outer cover of the closed interlocking lock of this utility model, which can be adapted to various keyholes.

[0049] Numbered in the diagram: 1. First lock seat, 2. Second lock seat, 3. First lock cylinder, 11. First lock seat housing, 12. Second lock cylinder, 13. Button, 14. Engaging component, 15. Electromagnetic unlocking device, 16. Rotation limit component, 17. Eccentric adjustment component, 18. Transfer connector, 19. Actuating component, 21. Second lock seat body, 22. Second lock seat rotation connector, 23. Engaging rod, 111. Outer cover, 112. Handle, 113. Base, 114. Inner cover, 121. 122. Second lock cylinder housing; 123. Second lock cylinder body; 124. Second lock cylinder limiting plate; 125. Lower pressure plate; 141. Lower pressure return spring; 151. Second torsion spring; 152. Electromagnetic unlocking device body; 153. Electromagnetic unlocking device lever; 154. First electromagnetic return spring; 155. Moving magnetic core cavity; 156. Second electromagnetic return spring; 157. Buffer component; 158. Buffer component connecting groove; 159. Static magnetic core; 161. Front rotation limiting component. 162. Rear rotation limiter; 171. Eccentric adjustment positioning groove; 172. Eccentric hole; 173. Positioning rod; 191. First lower lever block of the actuating component; 192. Second lower lever block of the actuating component; 193. Side lever groove of the actuating component; 194. Side lever block of the actuating component; 211. Rotation limit groove of the second lock seat body; 1131. Connecting seat; 1132. Fixing plate; 1133. Inner lever block; 1134. Actuating plate; 1135. Outer cover; 1211. Connecting groove of the second lock cylinder housing. 1221, Second lock cylinder body paddle, 1231, Second lock cylinder limiting plate actuation groove, 1241, Lower pressure plate first connecting groove, 1242, Lower pressure plate second connecting groove, 1511, Unlocking pipe, 11311, Positioning pin, 11312, Connecting seat through hole, 11313, Connecting seat limiting groove, 11321, Positioning hole, 11331, Inner paddle paddle, 11341, Actuation plate connecting groove, 11342, Actuation plate groove, 11343, Actuation plate pushing block.

[0050] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0051] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0052] Reference Figures 1 to 13 An embodiment of the present invention, a closed-type interlocking lock adaptable to various keyholes, is presented:

[0053] A closed-lock mechanism that can be adapted to various keyholes includes a first lock seat 1, a second lock seat 2, and a first lock cylinder 3.

[0054] The first lock base 1 includes a first lock base housing 11, a rotation limiter 16, a toggle member 19, a locking member 14, a button 13, a lower pressure plate 124, a lower pressure return spring 125, a second lock cylinder 12, an electromagnetic unlocking device 15, a transfer connector 18, and an eccentric adjustment member 17. The first lock base housing 11 includes a base 113, an inner cover 114, an outer cover 111, and a handle 112, which is mounted on the base 113 for easy gripping by the user.

[0055] The second lock seat 2 includes a second lock seat body 21, two second lock seat rotating connectors 22, and an engaging rod 23. Two opposing second lock seat body rotating limiting grooves 211 are arranged on the inner top of the second lock seat body 21. A second lock seat body rotating hole is located at the center of each second lock seat body rotating limiting groove 211. The second lock seat rotating connectors 22 can be rotatably connected to the second lock seat body rotating holes via connecting screws. The second lock seat body rotating limiting grooves 211 are slightly larger than the bottom of the second lock seat rotating connectors 22, allowing the second lock seat rotating connectors 22 to rotate at a certain angle within the second lock seat body rotating limiting grooves 211. This design ensures that the door and door frame are not on the same horizontal plane, thus not affecting practical use. The engaging rod 23 connects the tops of the two second lock seat rotating connectors 22.

[0056] The rotation limiting member 16 includes a front rotation limiting member 161 and a rear rotation limiting member 162. The inner side of the inner cover is provided with an inner cover first rotation shaft, an inner cover second rotation shaft, an inner cover third rotation shaft, an inner cover fourth rotation shaft, an inner cover fifth rotation shaft, an inner cover sixth rotation shaft, and an inner cover seventh rotation shaft. The engaging member 14 is rotatably connected to the inner cover third rotation shaft. The front rotation limiting member 161 and the rear rotation limiting member 162 are respectively rotatably connected to the inner cover fourth rotation shaft and the inner cover fifth rotation shaft. Two second torsion springs 141 are provided on the inner cover sixth rotation shaft. The engaging member 14 is limited by the front rotation limiting member 161 and the front rotation limiting member 161 is limited by the rear rotation limiting member 162. The engaging member 14 can be reset by the second torsion springs 141.

[0057] The actuating element 19, the intermediate connecting element 18, and the eccentric adjusting element 17 are rotatably connected to the second connecting shaft of the inner cover. One end of the second connecting shaft is rotatably connected to the inner cover 114, and the other end is rotatably connected to the inner cover 114 via the eccentric adjusting element 17. The actuating element 19 has an actuating element-side actuating block 194 on its side. The actuating element 19 can drive the intermediate connecting element 18 to rotate via the actuating element-side actuating block 194. The intermediate connecting element 18 can drive the front rotation limit element 161 to rotate, and release the rear rotation limit element 162 from locking the front rotation limit element 161, and release the front rotation limit element 161 from locking the engaging element 14. Thus, the engaging element 14 is driven to rotate via the second torsion spring 141, thereby unlocking it. An eccentric hole 172 is provided on the rear side of the eccentric adjustment component 17. The second connecting shaft of the inner cover is connected to the eccentric adjustment component 17 through the eccentric hole 172. By rotating the eccentric adjustment component 17, the distance between the intermediate connecting component 18 and the front rotation limit component 161 can be adjusted to meet the actual needs of the customer. The main purpose is to overcome the influence of manufacturing tolerances and thermal expansion and contraction on the distance between the two. A limit rod 173 is fixedly provided on the first rotating shaft of the inner cover. Multiple eccentric adjustment component positioning grooves 171 are provided on the eccentric adjustment component 17. The limit rod 173 and the eccentric adjustment component positioning grooves 171 cooperate to position and lock the adjusted eccentric adjustment component 17. The bottom of the actuating component 19 is provided with a first lower actuating component block 191 and a second lower actuating component block 192. A actuating component side groove 193 is provided on the side of the actuating component 19 opposite to the actuating component side block 194.

[0058] The electromagnetic unlocking device 15 includes an electromagnetic unlocking device body 151, a first electromagnetic return spring 154, a second electromagnetic return spring 156, a buffer 157, a coil, a moving magnetic core 152, a stationary magnetic core 159, and an electromagnetic unlocking device lever 153. The electromagnetic unlocking device body 151 is fixedly connected to the side of the inner cover 114.

[0059] The electromagnetic unlocking device body 151 is provided with an unlocking channel 1511. A coil is wound around the outside of the unlocking channel 1511. A moving magnetic core 152 and a stationary magnetic core 159 are disposed inside the unlocking channel 1511, with the stationary magnetic core 159 being a magnet fixedly connected to the innermost side of the unlocking channel 1511. An unlocking channel reset groove is provided on the inner side of the unlocking channel 1511. A first electromagnetic reset spring 154 is disposed in the unlocking channel reset groove. An electromagnetic unlocking device lever 153 is disposed behind the moving magnetic core 152 and passes through the moving magnetic core 152. When the moving magnetic core 152 moves towards the inside of the unlocking channel 1511, it compresses the first electromagnetic reset spring 154 through the electromagnetic unlocking device lever 153. After the movement is completed, the first electromagnetic reset spring 154 drives the moving magnetic core 152 to reset. By cooperating with the lever 153 and the slot 193 on the actuating element side, the actuating element 19 can be rotated.

[0060] A moving magnetic core cavity 155 is provided inside the moving magnetic core 152. A U-shaped buffer connecting groove 158 is provided on one side of the buffer member 157, and the side of the buffer member 157 without the buffer connecting groove 158 is located inside the moving magnetic core cavity 155. A second electromagnetic reset spring 156 is disposed between the buffer member 157 and the moving magnetic core cavity 155. The buffer member 157 is snapped onto the electromagnetic unlocking device lever 153 through the buffer connecting groove 158, and the end of the buffer member 157 extends to the outside of the moving magnetic core 152. The buffer member 157 can reduce the noise when the moving magnetic core 152 collides with the electromagnetic unlocking device body 151 and improve the service life of the moving magnetic core 152. The second electromagnetic reset spring 156 drives the buffer member 157 to reset and provides a certain buffering force. The static magnetic core 159 can improve the working efficiency of the coil.

[0061] The second lock cylinder 12 includes a second lock cylinder housing 121, a second lock cylinder body 122, and a second lock cylinder limiting plate 123. The top of the second lock cylinder housing 121 is fixedly connected to the top of the inner side of the inner cover 114 by screws. A second lock cylinder housing connecting groove 1211 is provided on the front side of the second lock cylinder housing 121, and a lower pressure plate 124 and a lower pressure return spring 125 are disposed in the second lock cylinder housing connecting groove 1211. The rear side of the button 13 is rotatably connected to the seventh rotating shaft of the inner cover, and the top of the button 13 extends from the top of the inner cover. The lower pressure plate 124 is provided with a first lower pressure plate connecting groove 1241 and a second lower pressure plate connecting groove 1242 arranged side by side, and the lower pressure return spring 125 is disposed in the second lower pressure plate connecting groove 1242, supporting the lower pressure plate 124. A button lever is provided on the front side of the button, and the button lever is located in the first connecting groove 1241 of the lower pressure plate. Pressing the button 13 can drive the lower pressure plate 124 to move downward, and the lower pressure plate 124 presses the second lower lever block 192 of the actuating member, thereby driving the actuating member 19 to rotate and compressing the lower pressure return spring 125. After the button 13 is pressed, the lower pressure plate 124 can be reset by the lower pressure return spring 125, thereby resetting the button 13.

[0062] The second lock cylinder limiting plate 123 is located at the bottom inner side of the second lock cylinder housing 121, and the second lock cylinder body 122 is located on the second lock cylinder limiting plate 123 inside the second lock cylinder housing 121. The bottom of the second lock cylinder body 122 is provided with a second lock cylinder body lever 1221, and the second lock cylinder limiting plate 123 is provided with a second lock cylinder limiting plate actuation groove 1231 that is adapted to the second lock cylinder body lever 1221. By rotating the second lock cylinder body lever 1221, the second lock cylinder limiting plate 123 can be driven to extend and lock the lower pressure plate 124, so that the second lock cylinder 12 can lock the button 113. At this time, the lock enters the deadbolt state and cannot be unlocked by the button 13. It can only be unlocked by the key to open the second lock cylinder 12.

[0063] The base 113 includes a connecting seat 113, a fixing plate 1132, an inner lever 1133, a lever plate 1134, and an outer cover plate 1135. The connecting seat 1131 and the outer cover plate 1135 are fixedly connected to the door by screws. The connecting seat 113 has two connecting seat limiting grooves 11313 that are adapted to the first lock cylinder 3. The two connecting seat limiting grooves 11313 are adapted to the usage requirements of left-opening and right-opening doors, respectively. The outer cover plate 1135 has only one outer cover plate limiting groove, which can cover the other unused connecting seat limiting groove 11313.

[0064] The fixing plate 1132 is covered on the connecting seat 1131. The first lock cylinder 3 is connected to the fixing plate 1132 by screws. The inner lever 1133 is rotatably connected to the fixing plate 1132. The first lock cylinder body inside the first lock cylinder 3 passes through the fixing plate 1132 and is inserted into the inner lever 1133, and can drive the inner lever 1133 to rotate through the first lock cylinder 3.

[0065] The actuating plate 1134 has actuating plate connecting grooves 11341 on both sides. Through the cooperation of the actuating plate connecting grooves 11341 and the first connecting shaft of the inner cover, the actuating plate 11341 can be connected and mounted on the inner cover 114. Four actuating plate slots 11342 are respectively provided on both sides of the actuating plate 1134. Each actuating plate slot 11342 corresponds to a different installation position of the closed interlocking lock. The top of the inner actuating block 1133 is provided with an inner actuating block paddle 11331 that is adapted to the actuating plate slot 11342. Through the cooperation of the inner actuating block paddle 11331 and the actuating plate slot 11342, the actuating plate 1134 can be driven to move in the horizontal direction. The actuating plate 1134 is provided with an actuating plate pushing groove. The actuating plate pushing groove is bent upward to form an actuating plate pushing block 11343. The actuating plate pushing block 11343 cooperates with the first lower actuating block 191 of the actuating member, thereby driving the actuating member 19 to rotate through the actuating plate 1134, thereby driving the rotation limiting member 16 to rotate and releasing the limiting of the engaging member 14. A first torsion spring is provided on the first connecting shaft of the inner cover. The first torsion spring enables the first connecting shaft of the inner cover to be positioned on one end of the actuating plate connecting groove 11341, and after the actuating plate 1134 finishes moving, the first torsion spring can drive the actuating plate 1134 to reset.

[0066] The connecting base 1131 is provided with four positioning posts 11311, and the fixing plate 1132 is provided with positioning holes 11321 that are adapted to the positioning posts 11311. Each positioning post 11311 corresponds to a toggle plate slot 11342. By cooperating with the positioning post 11311 and the positioning hole 11321, the inner toggle block 11331 can be placed exactly in the corresponding toggle block slot 11342. The connecting base 1131 is provided with connecting base through holes 11312 on both sides. One end of the external line passes through the connecting base through hole 11312 and is connected to the electromagnetic unlocking device 115. The other end of the external line is connected to the fingerprint unlocking mechanism, the button unlocking mechanism, various control sensors and other external control mechanisms, so that the external control mechanisms can unlock through the electromagnetic unlocking device 115.

[0067] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A closed type snap lock capable of adapting to various lock holes, characterized in that, a first lock seat, a second lock seat and a first lock cylinder; the first lock seat comprises a first lock seat shell, a rotation limiting piece, a pushing piece and a snap piece, the first lock seat shell comprises a base and an inner cover, the rotation limiting piece, the pushing piece and the snap piece are arranged between the base and the inner cover, the second lock seat is provided with a snap rod, and the snap piece and the snap rod are matched to complete locking; the rotation limiting piece is arranged at the rear side of the snap piece and limits the snap piece; the rear side of the pushing piece is matched with the rotation limiting piece, the pushing piece can drive the rotation limiting piece to rotate by being pushed, so that the limitation of the snap piece is released; the base comprises a connecting seat, a fixed plate, an inner pushing block and a pushing plate; the connecting seat is fixedly connected with the door by screw connection, two connecting seat limiting grooves adapted to the first lock cylinder are arranged on the connecting seat, and the two connecting seat limiting grooves are adapted to the use requirements of left opening doors and right opening doors respectively; the fixed plate is arranged on the connecting seat and is fixedly connected with the connecting seat, the first lock cylinder is connected with the fixed plate by screw connection, the inner pushing block is rotationally connected with the fixed plate, the first lock cylinder body in the first lock cylinder is inserted into the inner pushing block through the fixed plate, and the inner pushing block can be driven to rotate by the first lock cylinder; a plurality of pushing plate pushing grooves are arranged on the two sides of the pushing plate respectively, each pushing plate pushing groove corresponds to the installation position of a different first lock cylinder, the inner pushing block is provided with an inner pushing block pushing piece matched with the pushing plate pushing groove, the inner pushing block pushing piece is matched with the pushing plate pushing groove, so that the pushing plate can be driven to move in the horizontal direction, the pushing plate can push the pushing piece, the rotation limiting piece is driven to rotate and the limitation of the snap piece is released.

2. The enclosed snap lock capable of adapting to various lock holes according to claim 1, characterized in that, a plurality of positioning columns are arranged on the connecting seat, a plurality of positioning holes matched with the positioning columns are arranged on the fixed plate, each positioning column corresponds to a pushing plate pushing groove, and the positioning column and the positioning hole are matched, so that the inner pushing block pushing piece can be arranged in the corresponding pushing block pushing groove.

3. The closed type snap lock capable of adapting to various lock holes according to claim 1, characterized in that, an inner cover first connecting shaft is arranged in the inner cover, pushing plate connecting grooves are arranged on the two sides of the pushing plate, the pushing plate connecting grooves and the inner cover first connecting shaft are matched, so that the pushing plate can be connected to the inner cover; a first torsional spring is arranged on the inner cover first connecting shaft, the first torsional spring can make the inner cover first connecting shaft be located at one end of the pushing plate connecting groove, and after the movement of the pushing plate is completed, the pushing plate can be reset by the first torsional spring.

4. The enclosed snap lock capable of adapting to various lock holes according to claim 3, characterized in that, a pushing plate pushing groove is arranged on the pushing plate, the pushing plate pushing groove is bent upward at the position to form a pushing plate pushing block, a pushing piece first lower pushing block is arranged at the bottom of the pushing piece, the pushing plate pushing block and the pushing piece first lower pushing block are matched, so that the pushing plate can drive the pushing piece to rotate.

5. The closed snap lock capable of adapting to multiple lock holes according to claim 1, wherein the first lock seat further comprises a button, a pressing plate and a pressing reset spring. The button is rotationally connected to the inner side of the inner cover and the top of the button extends from the top of the inner cover, the pressing plate is provided with a pressing plate first connecting groove and a pressing plate second connecting groove arranged side by side, and the pressing reset spring is arranged in the pressing plate second connecting groove. The front side of the button is provided with a button lever, the button lever is arranged in the pressing plate first connecting groove, and the bottom of the lever is provided with a lever second lower lever block bent to the side and adapted to the pressing plate. The button can drive the pressing plate to move downward, and the pressing plate can press the lever second lower lever block to drive the lever to rotate.

6. The closed snap lock capable of adapting to multiple lock holes according to claim 5, wherein the first lock seat further comprises a second lock cylinder, and the second lock cylinder comprises a second lock cylinder shell, a second lock cylinder body and a second lock cylinder limiting plate. The pressing plate and the pressing reset spring are arranged on the inner side of the second lock cylinder shell, the second lock cylinder limiting plate is arranged at the bottom of the inner side of the second lock cylinder shell, the second lock cylinder body is arranged on the second lock cylinder limiting plate on the inner side of the second lock cylinder shell, and the top of the second lock cylinder shell is fixedly connected with the top of the inner cover by screw connection. The bottom of the second lock cylinder body is provided with a second lock cylinder body tab, the second lock cylinder limiting plate is provided with a second lock cylinder limiting plate lever groove adapted to the second lock cylinder body tab, and the second lock cylinder body tab can drive the second lock cylinder limiting plate to extend and clamp the pressing plate by rotating, so that the button can be locked by the second lock cylinder, and the user cannot open the lock by the button. The first lock seat further comprises an electromagnetic unlocking device, the connecting seat is provided with a connecting seat through hole, an external line can pass through the connecting seat through hole and be connected with the electromagnetic unlocking device, the electromagnetic unlocking device comprises a horizontally movable moving magnetic core and an electromagnetic unlocking device lever arranged on the side of the moving magnetic core, the side of the lever is provided with a lever side lever groove, and the electromagnetic unlocking device lever can drive the lever to rotate by cooperating with the lever side lever groove.

8. The closed snap lock capable of adapting to multiple lock holes according to claim 7, wherein the electromagnetic unlocking device further comprises an electromagnetic unlocking device body, a first electromagnetic reset spring and a coil.

7. The enclosed snap lock capable of adapting to various lock holes according to claim 1, characterized in that, ​ ​ ​ The electromagnetic unlocking device body is provided with an unlocking pipe, the coil is arranged outside the unlocking pipe, the moving magnetic core is arranged in the unlocking pipe, the unlocking pipe reset slot is arranged on the inner side of the unlocking pipe, the first electromagnetic reset spring is arranged in the unlocking pipe reset slot, the electromagnetic unlocking device lever is arranged on the rear side of the moving magnetic core and penetrates the moving magnetic core, the first electromagnetic reset spring is compressed by the electromagnetic unlocking device lever when the moving magnetic core moves to the inner side of the unlocking pipe, and the moving magnetic core is reset by the first electromagnetic reset spring after the movement is completed.

9. The closed snap lock capable of adapting to multiple lock holes according to claim 7, wherein, The electromagnetic unlocking device further comprises a second electromagnetic reset spring and a buffer; The moving magnetic core is provided with a moving magnetic core cavity on the inner side, the buffer is provided with a U-shaped buffer connecting slot on one side, the side of the buffer without the buffer connecting slot is arranged on the inner side of the moving magnetic core cavity, the second electromagnetic reset spring is arranged between the buffer and the moving magnetic core cavity, and the buffer is arranged on the electromagnetic unlocking device lever through the buffer connecting slot and the buffer tail end extends to the outside of the moving magnetic core; The buffer can reduce the noise when the moving magnetic core collides with the electromagnetic unlocking device body and improve the service life of the moving magnetic core, and the buffer is reset by the second electromagnetic reset spring.

10. The closed snap lock capable of adapting to multiple lock holes according to claim 1, wherein, Further comprising a transfer connecting piece and an eccentric adjusting piece; The inner cover is provided with an inner cover second connecting shaft, one end of the inner cover second connecting shaft is rotationally connected with the inner cover, the other end of the inner cover second connecting shaft is rotationally connected with the inner cover through the eccentric adjusting piece, and the transfer connecting piece and the lever are both rotationally connected on the inner cover second connecting shaft; The lever is provided with a lever side lever block on the side, the lever can drive the transfer connecting piece to rotate through the lever side lever block, and the transfer connecting piece can drive the rotation limiting piece to rotate; The eccentric adjusting piece is provided with an eccentric hole on the rear side, the inner cover second connecting shaft is connected with the eccentric adjusting piece through the eccentric hole, and the distance between the transfer connecting piece and the rotation limiting piece can be adjusted by rotating the eccentric adjusting piece.

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