Unlocking device and cabinet body assembly

Abstract

The embodiment of the utility model provides an unlocking device and a cabinet body assembly. The unlocking device comprises a spring bolt assembly, an electronic lock assembly and a steel wire assembly. The first shell is connected to a cabinet body; the spring bolt is rotatably connected to the first shell and used for allowing an external key to be inserted therein. The second shell is used for being connected to the cabinet body and is located at different positions of the cabinet body from the first shell; the electronic lock is provided with a switch and a locking piece; the locking piece is arranged on one side of the switch and is used for locking or unlocking an external door body; the lifting piece is connected to the second shell in a lifting mode and can make contact with the switch. The steel wire is connected to the spring bolt and the lifting part and drives the lifting part to ascend and descend along with rotation of the spring bolt, so that the lifting part makes contact with the switch, the locking part is unlocked or locked relative to an outer door body, the electronic lock assembly and the spring bolt assembly are connected through the steel wire assembly, and therefore the distance between the electronic lock assembly and the spring bolt assembly is conveniently prolonged. Remote triggering is achieved, and the operation convenience of the unlocking device relative to an external door body is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cabinet assembly, in particular, especially relates to an unlocking device and a cabinet assembly. BACKGROUND

[0002] With the development of science and technology, the unlocking device is applied to the cabinet assembly, and the unlocking device is used for locking or unlocking the door of the cabinet. In the prior art, the unlocking device comprises a lock tongue assembly and an electronic lock assembly, the lock tongue assembly is connected to the electronic lock assembly, and the electronic lock assembly is used for locking or unlocking the outer door body. However, the distance between the lock tongue assembly and the electronic lock assembly is relatively close, the height of the cabinet generally exceeds 1.7 m, and a special ladder is needed to cooperate to realize locking or unlocking when opening the outer door body, which leads to poor operation convenience of the existing unlocking device relative to the outer door body. CONTENT OF THE UTILITY MODEL

[0003] Embodiments of the present application provide an unlocking device and a cabinet assembly, the lock tongue assembly comprises a first housing and a lock tongue; the first housing is used for being connected to the cabinet; the lock tongue is rotatably connected to the first housing and is used for being inserted by an external key; the electronic lock assembly is arranged on one side of the lock tongue assembly; the electronic lock assembly comprises a second housing, an electronic lock and a lifting piece; the second housing is used for being connected to the cabinet and is located at a different position of the cabinet from the first housing; the electronic lock is provided with a switch and a locking piece; the locking piece is arranged on one side of the switch and is used for locking or unlocking the outer door body; the lifting piece is connected to the second housing in a lifting manner and can contact the switch; a steel wire assembly is arranged between the lock tongue assembly and the electronic lock assembly; the steel wire assembly comprises a steel wire, the steel wire is connected to the lock tongue and the lifting piece, and the lifting piece is lifted and lowered along with the rotation of the lock tongue, so that the lifting piece contacts the switch, the locking piece is unlocked or locked relative to the outer door body, and the electronic lock assembly and the lock tongue assembly are connected through the steel wire assembly, so as to prolong the distance between the electronic lock assembly and the lock tongue assembly, realize remote triggering, and improve the operation convenience of the unlocking device relative to the outer door body.

[0004] Other characteristics and advantages of the present application will become apparent from the following detailed description, or will be learned by practice of the present application.

[0005] To achieve the above object, the utility model provides a scheme, which is an unlocking device applied to a cabinet assembly, and the unlocking device comprises:

[0006] a lock tongue assembly comprising a first housing and a lock tongue; the first housing is used for being connected to the cabinet; the lock tongue is rotatably connected to the first housing and is used for being inserted by an external key;

[0007] An electronic lock assembly is arranged at one side of the bolt assembly; the electronic lock assembly comprises a second housing, an electronic lock and a lifting member; the second housing is used to be connected to the cabinet body and is arranged at a different position of the cabinet body from the first housing; the electronic lock is provided with a switch and a locking member; the locking member is arranged at one side of the switch and is used to lock or unlock the outer cabinet body; the lifting member is connected to the second housing in a lifting manner and can contact the switch;

[0008] A steel wire assembly is arranged between the bolt assembly and the electronic lock assembly; the steel wire assembly comprises a steel wire connected to the bolt and the lifting member and used to drive the lifting member to lift along with the rotation of the bolt so that the lifting member contacts the switch and the locking member is unlocked or locked relative to the outer cabinet body.

[0009] Optionally, the bolt assembly further comprises a rotating plate connected to the bolt and used to rotate along with the rotation of the bolt;

[0010] The steel wire is connected to the rotating plate and is pulled along with the rotation of the rotating plate and drives the lifting member to lift.

[0011] Optionally, the first housing is provided with a supporting plate arranged at one side of the rotating plate;

[0012] A first elastic member is arranged between the supporting plate and the rotating plate and has two ends connected to the supporting plate and the rotating plate respectively and used to apply a restoring force to the rotating plate.

[0013] Optionally, one end of the steel wire away from the bolt is provided with a pull head;

[0014] The pull head is connected to the lifting member and drives the lifting member to lift until the lifting member contacts the switch.

[0015] Optionally, the switch is exposed to the outside of the electronic lock;

[0016] The lifting member is provided with a supporting arm, and the switch is arranged above the supporting arm; the supporting arm contacts the switch along with the lifting of the lifting member.

[0017] Optionally, the switch is a mechanical switch.

[0018] Optionally, the lifting member is provided with a track groove in the up-down direction; the second housing is connected with a guide column penetrating through the track groove and used to guide the lifting of the lifting member.

[0019] Optionally, the second shell is provided with a connecting column, the lifting member is above the connecting column, and the lifting member and the connecting column are in elastic connection structure.

[0020] Optionally, a second elastic member is arranged between the lifting member and the connecting column, the second elastic member is arranged in the up-down direction, and two ends of the second elastic member are connected with the lifting member and the connecting column respectively.

[0021] To achieve the above-mentioned purpose, one scheme of the utility model provides a cabinet assembly, which comprises the unlocking device and the cabinet body.

[0022] Compared with the prior art, the utility model has the beneficial effects that:

[0023] The utility model provides a kind of unlocking device and cabinet assembly, lock tongue assembly includes first shell, lock tongue;First shell is used to connect in cabinet body;Lock tongue is rotatably connected to first shell, and is used for the insertion of external key;Electronic lock assembly is arranged in the side of lock tongue assembly;Electronic lock assembly includes second shell, electronic lock and lifting member;Second shell is used to connect in cabinet body, and with first shell is in the different position of cabinet body;Electronic lock is equipped with switch and locking piece;Locking piece is arranged in the side of switch, and is used to lock or unlock external door body;Lifting member is connected to second shell in a lifting manner, and can contact switch;Steel wire assembly is arranged between lock tongue assembly and electronic lock assembly;Steel wire assembly includes steel wire, steel wire is connected to lock tongue and lifting member, and along with the rotation of lock tongue and drive lifting member to lift, so that lifting member contacts switch, locking piece is unlocked or locked relative to external door body, electronic lock assembly and lock tongue assembly are connected by steel wire assembly, to extend the distance between electronic lock assembly and lock tongue assembly, realize remote triggering, improve the operation convenience of unlocking device relative to external door body. BRIEF DESCRIPTION OF DRAWINGS

[0024] The drawings incorporated into the specification and forming part of the specification, show embodiments consistent with the present application, and together with the specification, serve to explain the principles of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0025] Figure 1 A schematic diagram of the unlocking device according to one embodiment of the present application is shown.

[0026] Figure 2 A connection schematic diagram of the lock tongue assembly and the steel wire assembly of the unlocking device according to one embodiment of the present application is shown.

[0027] Figure 3 Fig. 1 is a perspective view of a lock device according to an embodiment of the present application; Figure 2 Fig. 2 is a partial enlarged view of the middle A of Fig. 1;

[0028] Figure 4 Fig. 3 is a schematic view showing the connection between the electronic lock assembly and the steel wire assembly of the lock device according to an embodiment of the present application;

[0029] Figure 5 Fig. 4 is a perspective view of the middle B of Fig. 1; Figure 4 Fig. 5 is a partial enlarged view of the middle B of Fig. 4;

[0030] Reference signs

[0031] 100, a lock device;

[0032] 10, a lock bolt assembly; 11, a first housing; 111, a support plate; 12, a lock bolt; 13, a rotating plate; 14, a first elastic member;

[0033] 20, an electronic lock assembly; 21, a second housing; 211, a guide post; 212, a connecting post; 22, an electronic lock; 221, a switch; 222, a locking member; 23, a lifting member; 23a, a track groove; 231, a supporting arm; 24, a second elastic member;

[0034] 30, a steel wire assembly; 31, a steel wire; 311, a pull head; 32, a plastic sleeve. DETAILED DESCRIPTION

[0035] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations can be implemented in any

[0036] Moreover, described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided, herein, to provide a thorough understanding of embodiments of the application. One will recognize, however, that the technology can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, devices, and operations have not been shown or described in detail to avoid obscuring aspects of the application.

[0037] The block diagrams in the drawings show only the functionality of the various embodiments and do not imply that the various embodiments are limited to these specific configurations. The functionality of the various embodiments can be implemented in software, hardware, or a combination thereof. The block diagrams also illustrate the functional relationships between different functional entities.

[0038] The flow chart shown in the drawings is only an example and does not necessarily include all the contents and operations / steps, nor does it have to be executed in the order described. For example, some operations / steps can be further decomposed, and some operations / steps can be combined or partially combined, so the actual execution order can be changed according to the actual situation.

[0039] Please refer to the accompanying drawings Figures 1-5 The embodiment of the present application provides an unlocking device 100 applied to a cabinet assembly, and the unlocking device 100 is used for locking or unlocking the door of the cabinet.

[0040] Please refer to the accompanying drawings Figures 1-5 In the embodiment of the present application, the unlocking device 100 includes a lock tongue assembly 10, an electronic lock assembly 20 and a steel wire assembly 30. The lock tongue assembly 10 includes a first housing 11 and a lock tongue 12. The first housing 11 is used for connecting to the cabinet. The lock tongue 12 is rotatably connected to the first housing 11 and is used for inserting an external key. The electronic lock assembly 20 is arranged on one side of the lock tongue assembly 10. The electronic lock assembly 20 includes a second housing 21, an electronic lock 22 and a lifting piece 23. The second housing 21 is used for connecting to the cabinet and is located at a different position of the cabinet from the first housing 11. The electronic lock 22 is provided with a switch 221 and a locking piece 222. The locking piece 222 is arranged on one side of the switch 221 and is used for locking or unlocking the external door body. The lifting piece 23 is connected to the second housing 21 in a lifting manner and can contact the switch 221. The steel wire assembly 30 is arranged between the lock tongue assembly 10 and the electronic lock assembly 20. The steel wire assembly 30 includes a steel wire 31 connected to the lock tongue 12 and the lifting piece 23 and drives the lifting piece 23 to lift or lower along with the rotation of the lock tongue 12. The lifting piece 23 contacts the switch 221, and the locking piece 222 is unlocked or locked relative to the external door body. The electronic lock assembly 20 and the lock tongue assembly 10 are connected through the steel wire assembly 30, so as to extend the distance between the electronic lock assembly 20 and the lock tongue assembly 10, realize remote triggering and improve the operation convenience of the unlocking device 100 relative to the external door body.

[0041] Please refer to the accompanying drawings Figures 2-3In the embodiment of the present application, the lock bolt assembly 10 comprises a first housing 11 and a lock bolt 12. The first housing 11 is a supporting component of the lock bolt assembly 10, and is used to support the lock bolt 12. The first housing 11 is connected to the cabinet, so that the lock bolt assembly 10 is fixed to the cabinet through the first housing 11. The lock bolt 12 is rotatably connected to the first housing 11, so as to adjust the position of the lock bolt 12 relative to the first housing 11. The lock bolt 12 is used for inserting an external key, so that the external key drives the lock bolt 12 to rotate relative to the first housing 11. The lock bolt 12 is connected to a lock cylinder, which is used for inserting an external key, so that the external key drives the lock bolt 12 to rotate through the lock cylinder, so as to lock or rotate the lock bolt 12 relative to the first housing 11.

[0042] Please refer to the accompanying drawings Figures 4-5 In the embodiment of the present application, the electronic lock assembly 20 is arranged outside the lock bolt assembly 10. The electronic lock assembly 20 comprises a second housing 21, an electronic lock 22 and a lifting component 23. The second housing 21 is a supporting component of the electronic lock assembly 20, and is used to support the electronic lock 22 and the lifting component 23. The second housing 21 is connected to the cabinet, so that the electronic lock assembly 20 is fixedly connected to the cabinet through the second housing 21. The second housing 21 is arranged at a different position from the first housing 11 on the cabinet, so that the second housing 21 and the first housing 11 are arranged separately, thereby prolonging the distance between the second housing 21 and the first housing 11. The electronic lock 22 is provided with a switch 221 and a locking component 222. The locking component 222 is arranged on the periphery of the switch 221, and is used to lock or unlock an external door body, so that the electronic lock assembly 20 locks or unlocks the external door body through the locking component 222. The lifting component 23 is connected to the second housing 21 in a lifting manner, so as to adjust the position of the lifting component 23 relative to the second housing 21. The lifting component 23 can contact the switch 221, so that the lifting component 23 drives the switch 221 to adjust the state, thereby enabling the switch 221 to control the locking component 222 to lock or unlock the external door body.

[0043] Please refer to the accompanying drawings Figures 1-4In the embodiment of the present application, the steel wire assembly 30 is arranged between the bolt assembly 10 and the electronic lock assembly 20. The steel wire assembly 30 comprises a steel wire 31 connected to the bolt 12 and the lifting piece 23, and drives the lifting piece 23 to lift along with the rotation of the bolt 12, so as to adjust the position of the lifting piece 23, so that the lifting piece 23 contacts the switch 221, so as to control the switch 221 by the steel wire 31 through the lifting piece 23, so as to realize that the switch 221 is in an open state or a closed state, and the locking piece 222 is unlocked or locked relative to the outer door body. The electronic lock assembly 20 and the bolt assembly 10 are connected through the steel wire assembly 30, so as to lengthen the distance between the electronic lock assembly 20 and the bolt assembly 10, realize remote triggering, and improve the operation convenience of the unlocking device 100 relative to the outer door body.

[0044] Please refer to the accompanying drawings Figures 2-3 The bolt assembly 10 further comprises a rotating plate 13 arranged at the inner side of the first shell 11, the rotating plate 13 is connected to the bolt 12, so that the rotating plate 13 is fixed with the bolt 12, and the rotating plate 13 rotates along with the rotation of the bolt 12, so as to adjust the position of the rotating plate 13 relative to the first shell 11. The steel wire 31 is connected to the rotating plate 13, so that the steel wire 31 is fixed with the rotating plate 13, and the steel wire 31 is pulled along with the rotation of the rotating plate 13, so as to realize the pulling of the steel wire 31 in the rotation process of the rotating plate 13, thereby facilitating the lifting of the lifting piece 23 under the pulling force of the steel wire 31. The lifting of the lifting piece 23 is driven by the steel wire 31, so that the rotating plate 13 drives the lifting of the lifting piece 23 through the steel wire 31, thereby facilitating the bolt 12 to drive the rotating plate 13, the steel wire 31, the lifting piece 23, the switch 221 and the locking piece 222 in sequence in the rotation process, so as to realize that the bolt 12 drives the locking piece 222 to be unlocked or locked relative to the outer door body.

[0045] Please refer to the accompanying drawings Figures 2-3 The first shell 11 is provided with a support plate 111 at the left side of the rotating plate 13; the support plate 111 is fixed relative to the first shell 11, and a first elastic member 14 is arranged between the support plate 111 and the rotating plate 13, the first elastic member 14 is arranged between the support plate 111 and the rotating plate 13, and the two ends of the first elastic member 14 are connected to the support plate 111 and the rotating plate 13 respectively, and the first elastic member 14 applies a reset force to the rotating plate 13, so as to reset the rotating plate 13 under the reset force of the first elastic member 14. When the external key is separated from the bolt 12, the resistance of the bolt 12 disappears, and at the same time, the rotating plate 13 is reset by the reset force of the first elastic member 14, so as to return to the initial state.

[0046] Please refer to the accompanying drawings Figures 4-5, the end of the steel wire 31 away from the bolt 12 is provided with a pull head 311; the pull head 311 is connected with the lifting piece 23, so that the steel wire 31 realizes the traction to the lifting piece 23 through the pull head 311, thereby the steel wire 31 realizes the connection with the lifting piece 23 through the pull head 311, the pull head 311 drives the lifting piece 23 to rise, so that the steel wire 31 realizes the lifting by pulling the lifting piece 23, until the lifting piece 23 contacts the switch 221, so that the steel wire 31 adjusts the state of the switch 221 through the lifting piece 23, to realize the control of the state of the switch 221 by the steel wire 31, and ensure that the switch 221 is in the open state or the closed state. The switch 221 and the bolt 12 are connected through the steel wire 31, so as to lengthen the distance between the electronic switch 221 and the bolt 12, realize the remote triggering, and improve the operation convenience of the unlocking device 100 relative to the external body.

[0047] Please refer to the accompanying drawings Figures 4-5 The switch 221 is exposed to the outside of the electronic lock 22; the lifting piece 23 is provided with a supporting arm 231, and the switch 221 is above the supporting arm 231; the supporting arm 231 contacts the switch 221 with the rising of the lifting piece 23, so that the lifting piece 23 triggers the switch 221 through the supporting arm 231, thereby the switch 221 adjusts the open state or the closed state with the rising and falling of the lifting piece 23, to realize the adjustment of the state of the switch 221 by the lifting piece 23. Optionally, the switch 221 is a mechanical switch.

[0048] Please refer to the accompanying drawings Figures 4-5 The lifting piece 23 is provided with a track groove 23a in the up-down direction; the track groove 23a is an internal space of the lifting piece 23, the second housing 21 is connected with a guide column 211, the outer contour of the guide column 211 and the inner contour of the track groove 23a are gap-fitted, the guide column 211 penetrates the track groove 23a, and guides the rising and falling of the lifting piece 23, so that the lifting piece 23 rises and falls under the guidance of the guide column 211, improves the rising and falling smoothness of the lifting piece 23, thereby the lifting piece 23 realizes the rising and falling relative to the second housing 21 through the cooperation of the track groove 23a and the guide column 211.

[0049] Please refer to the accompanying drawings Figures 4-5 The second housing 21 is provided with a connecting column 212, the connecting column 212 is fixed relative to the second housing 21, the lifting piece 23 is above the connecting column 212, and the lifting piece 23 and the connecting column 212 are in an elastic connection structure, so that the connecting column 212 realizes the elastic reset of the lifting piece 23 through the elastic force of the elastic connection structure. When the resistance of the lifting piece 23 disappears, the elastic connection structure resets the lifting piece 23 under the reset force, so that the lifting piece 23 returns to the initial state.

[0050] Please refer to the accompanying drawings Figures 4-5The second elastic member 24 is arranged between the lifting member 23 and the connecting column 212 in the up-down direction, and two ends of the second elastic member 24 are connected with the lifting member 23 and the connecting column 212 respectively, so that the connecting column 212 can exert an elastic force on the lifting member 23 through the second elastic member 24, and the lifting member 23 can be elastically reset.

[0051] Please refer to the accompanying drawings Figures 4-5 The steel wire assembly 30 further comprises a plastic sleeve 32 connected with the support plate 111 and sleeved with the steel wire 31, and the inner contour of the plastic sleeve 32 is in clearance fit with the outer contour of the steel wire 31, so that the plastic sleeve 32 can protect the steel wire 31, reduce the friction of the steel wire 31, and prevent the steel wire 31 from being broken.

[0052] In another embodiment, a cabinet assembly comprises an unlocking device 100 and a cabinet, the unlocking device 100 being part of the cabinet assembly and being connected with the cabinet, so that the unlocking device 100 can lock or unlock the cabinet.

[0053] At this time, the unlocking device 100 comprises a lock tongue assembly 10, an electronic lock assembly 20 and a steel wire assembly 30. The lock tongue assembly 10 comprises a first housing 11 and a lock tongue 12, the first housing 11 being used for being connected with the cabinet, and the lock tongue 12 being rotatably connected with the first housing 11 and being used for being inserted by an external key. The electronic lock assembly 20 is arranged on one side of the lock tongue assembly 10, and comprises a second housing 21, an electronic lock 22 and a lifting member 23. The second housing 21 is used for being connected with the cabinet and is located at a different position of the cabinet from the first housing 11. The electronic lock 22 is provided with a switch 221 and a locking member 222, the locking member 222 being arranged on one side of the switch 221 and being used for locking or unlocking an external cabinet, and the lifting member 23 is connected with the second housing 21 in a lifting manner and can contact the switch 221. The steel wire assembly 30 is arranged between the lock tongue assembly 10 and the electronic lock assembly 20. The steel wire assembly 30 comprises a steel wire 31 connected with the lock tongue 12 and the lifting member 23 and capable of driving the lifting member 23 to lift or lower along with the rotation of the lock tongue 12. The lifting member 23 contacts the switch 221, and the locking member 222 is unlocked or locked relative to the external cabinet. The electronic lock assembly 20 and the lock tongue assembly 10 are connected through the steel wire assembly 30, so that the distance between the electronic lock assembly 20 and the lock tongue assembly 10 is lengthened, remote triggering is realized, and the operation convenience of the unlocking device 100 relative to the external cabinet is improved.

[0054] Compared with the prior art, the unlocking device has the following beneficial effects:

[0055] The utility model provides a kind of unlocking device 100 and cabinet assembly, unlocking device 100 includes lock bolt assembly 10, electronic lock assembly 20 and steel wire assembly 30.Lock bolt assembly 10 includes first shell 11, lock bolt 12;First shell 11 is used to connect in cabinet;Lock bolt 12 is rotatably connected in first shell 11, and is used for the insertion of external key.Electronic lock assembly 20 is arranged in the side of lock bolt assembly 10;Electronic lock assembly 20 includes second shell 21, electronic lock 22 and lifting piece 23.Second shell 21 is used to connect in cabinet, and with first shell 11 is in the different position of cabinet.Electronic lock 22 is equipped with switch 221 and locking piece 222;Locking piece 222 is arranged in the side of switch 221, and is used to lock or unlock external door body;Lifting piece 23 is liftablely connected in second shell 21, and can contact switch 221.Steel wire assembly 30 is arranged between lock bolt assembly 10 and electronic lock assembly 20.Steel wire assembly 30 includes steel wire 31, and steel wire 31 is connected in lock bolt 12 and lifting piece 23, and lifting piece 23 is driven to lift along with the rotation of lock bolt 12.Lifting piece 23 contacts switch 221, and locking piece 222 is unlocked or locked relative to external door body.Through steel wire assembly 30 connection electronic lock assembly 20 and lock bolt assembly 10, to facilitate the distance between electronic lock assembly 20 and lock bolt assembly 10, realizes remote triggering, improves the operation convenience of unlocking device 100 relative to external door body.

[0056] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0057] In the description of the present application, the terms "second" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "second" and "second" can explicitly or implicitly include one or more features.

[0058] The principles and implementation modes of the present application are described by applying specific examples herein, and the above embodiment description is only used to help understand the method and its core idea of the present application; at the same time, according to the idea of the present application, the specific implementation mode and application range will be changed by the person skilled in the art, and according to the above, the content of the specification should not be understood as the limitation of the present application.

Claims

1. An unlocking device, characterized by The unlocking device comprises: a latch assembly comprising a first housing and a latch; the first housing is used to be connected to a cabinet body; the latch is rotatably connected to the first housing and is used for inserting an external key; an electronic lock assembly arranged on one side of the latch assembly; the electronic lock assembly comprises a second housing, an electronic lock and a lifting piece; the second housing is used to be connected to the cabinet body and is located at a different position of the cabinet body from the first housing; the electronic lock is provided with a switch and a locking piece; the locking piece is arranged on one side of the switch and is used to lock or unlock an external door body; the lifting piece is connected to the second housing in a lifting manner and can contact the switch; a steel wire assembly arranged between the latch assembly and the electronic lock assembly; the steel wire assembly comprises a steel wire connected to the latch and the lifting piece and used to drive the lifting piece to lift along with the rotation of the latch, so that the lifting piece contacts the switch and the locking piece is unlocked or locked relative to the external door body.

2. The unlocking device of claim 1, wherein, The latch assembly further comprises a rotating plate connected to the latch and rotated along with the rotation of the latch; the steel wire is connected to the rotating plate and is pulled along with the rotation of the rotating plate and drives the lifting piece to lift.

3. The unlocking device of claim 2, wherein, The first housing is provided with a supporting plate arranged on one side of the rotating plate; a first elastic piece is arranged between the supporting plate and the rotating plate, and two ends of the first elastic piece are respectively connected to the supporting plate and the rotating plate and apply a reset force to the rotating plate.

4. The unlocking device of claim 1, wherein, One end of the steel wire away from the latch is provided with a pull head; the pull head is connected to the lifting piece and drives the lifting piece to lift until the lifting piece contacts the switch.

5. The unlocking device of claim 4, wherein, The switch is exposed to the outside of the electronic lock; the lifting piece is provided with a supporting arm, and the switch is arranged above the supporting arm; the supporting arm contacts the switch along with the lifting of the lifting piece.

6. The unlocking device of claim 5, wherein, The switch is a mechanical switch.

7. The unlocking device of claim 4, wherein, The lifting piece is provided with a track groove in the up-down direction; the second housing is connected with a guide column penetrating through the track groove and guiding the lifting of the lifting piece.

8. The unlocking device of claim 1, wherein, The second housing is provided with a connecting column, and the lifting piece is arranged above the connecting column; the lifting piece and the connecting column are in an elastic connection structure.

9. The unlocking device of claim 8, wherein, A second elastic piece is arranged between the lifting piece and the connecting column in the up-down direction, and two ends of the second elastic piece are respectively connected to the lifting piece and the connecting column.

10. A cabinet assembly characterized by, The unlocking device comprises: a cabinet body, and the unlocking device is connected to the cabinet body.

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