Locking protection device

Abstract

The utility model provides a locking protection device. The locking protection device comprises a seat body, a locking mechanism and a locking mechanism, the first locking mechanism and the second locking mechanism are arranged on the seat body; the protection assembly comprises a first cover body and a second cover body; the protection assembly has a first state and a second state, when the protection assembly is in the first state, the first cover body covers the closing terminal of the terminal group and is locked through the first locking mechanism, and the second cover body covers the independent terminal of the terminal group and is locked through the second locking mechanism; when the protection assembly is in the second state, the first cover body covers the closing terminal of the terminal set and is locked through the second locking mechanism, and the second cover body covers the independent terminal of the terminal set and is locked through the first locking mechanism. According to the technical scheme provided by the invention, the problem that the operation safety of a power station is affected due to wrong switching-on operation caused by misoperation when a worker disassembles a protective cover to operate a pressure plate current terminal in the related technology can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock technology field, specifically, relate to a locking protection device. BACKGROUND

[0002] In the operation and maintenance of the power station, the pressing plate current terminal is used for connecting the electric wire and the electric wire, the electric wire and the electrical equipment to realize the transmission of the current and the transmission of the signal, and is widely used in the power system protection of the power station. In the prior art, the pressing plate current terminal is usually designed as a double-port structure, allowing the power station operator to select a port for closing operation as needed, improving the flexibility of the power station signal transmission.

[0003] In the related art, the protective cover is arranged to cover the pressing plate current terminal on the cabinet body, so that the pressing plate current terminal is prevented from being misoperated after being in the closed state. However, in the related art, the protective cover directly covers the two ports, and when the staff disassembles the protective cover to operate the pressing plate current terminal, an incorrect closing operation may occur due to improper operation, affecting the safe operation of the power station. SUMMARY

[0004] The utility model provides a locking protection device to solve the problem of incorrect closing operation due to improper operation of the staff when disassembling the protective cover to operate the pressing plate current terminal in the related art, affecting the safe operation of the power station.

[0005] The utility model provides a locking protection device arranged on the cabinet body, the locking protection device comprising: a seat body having a cabinet body connecting part; first and second locking mechanisms arranged at intervals on the seat body; and a protection assembly comprising first and second cover bodies arranged on the same side of the seat body, the first and second cover bodies being capable of being arranged on the terminal group of the cabinet body; wherein the protection assembly has a first state and a second state, when the protection assembly is in the first state, the first cover body is arranged on the closing terminal of the terminal group and locked by the first locking mechanism, and the second cover body is arranged on the independent terminal of the terminal group and locked by the second locking mechanism; when the protection assembly is in the second state, the first cover body is arranged on the closing terminal of the terminal group and locked by the second locking mechanism, and the second cover body is arranged on the independent terminal of the terminal group and locked by the first locking mechanism.

[0006] Further, the first and second locking mechanisms are arranged at intervals along the length direction of the seat body, and the size of the first cover body along the length direction of the seat body is greater than the size of the second cover body along the length direction of the seat body.

[0007] Further, the first locking mechanism comprises a lock cylinder and a locking piece, the lock cylinder is rotatably arranged in the seat body, the locking piece is telescopically arranged on the seat body, the locking piece has a locking position extending out of the seat body and an unlocking position retracting into the seat body, when the locking piece is in the locking position, the locking piece is locked with the first cover body or the second cover body.

[0008] Further, the locking piece comprises a lock tongue, the side of the first cover body and the second cover body facing the seat body is provided with a clamping groove, when the locking piece is in the locking position, the lock tongue is clamped with the clamping groove; the lock cylinder comprises a lock shaft, the lock shaft is rotatably arranged in the seat body, the rotation axis of the lock shaft is perpendicular to the moving direction of the locking piece, the end of the lock shaft facing the lock tongue is provided with an eccentric column, the locking piece is provided with a transmission groove, the eccentric column is located in the transmission groove, when the lock shaft rotates, the eccentric column is in abutting fit with the groove wall of the transmission groove to switch the locking piece from the locking position to the unlocking position.

[0009] Further, the seat body has an accommodating groove accommodating the lock tongue, the locking protection device further comprises a first elastic piece, the first end of the first elastic piece is in abutting fit with the side wall of the accommodating groove, the second end of the first elastic piece is in abutting fit with the lock tongue.

[0010] Further, the side wall of the lock shaft is provided with a limiting groove extending along the circumference thereof, the locking protection device further comprises a limiting pin, the limiting pin is arranged in the seat body along the moving direction of the locking piece and is in limiting fit with the limiting groove to limit the movement of the lock shaft along the axial direction thereof relative to the seat body.

[0011] Further, the locking protection device further comprises a moving column and a second elastic piece, the first cover body and the second cover body are both provided with a mounting hole, the moving column is movably arranged in the mounting hole, the first end of the second elastic piece is in abutting fit with the side wall of the mounting hole, the second end of the second elastic piece is in abutting fit with the moving column.

[0012] Further, the locking protection device further comprises a fixing pin, the side wall of the mounting hole is provided with a fixing hole, the axis of the fixing hole is perpendicular to the axis of the mounting hole, the moving column is provided with a sliding long groove, the first end of the fixing pin is arranged in the fixing hole, the second end of the fixing pin is arranged in the sliding long groove to limit the moving distance of the moving column extending out of the first cover body.

[0013] Further, the locking protection device further comprises a magnetic attraction piece, the first cover body is provided with the magnetic attraction piece, the magnetic attraction piece is in magnetic attraction fit with the cabinet body; and / or, the seat body is provided with a first wireless code sheet and a second wireless code sheet for identification of an unlocking key, the first wireless code sheet is arranged on the seat body corresponding to the first locking mechanism, the second wireless code sheet is arranged on the seat body corresponding to the second locking mechanism.

[0014] Further, the seat body is provided with a first slide rail, a second slide rail and a third slide rail which are arranged at intervals along the length direction of the seat body, the side of the first cover body facing the seat body is provided with a first slide groove and a second slide groove, and the side of the second cover body facing the seat body is provided with a third slide groove; when the protection assembly is in the first state, the first slide rail and the first slide groove are in sliding fit, the second slide rail and the second slide groove are in sliding fit, and the third slide rail and the third slide groove are in sliding fit; when the protection assembly is in the second state, the first slide rail and the third slide groove are in sliding fit, the second slide rail and the first slide groove are in sliding fit, and the third slide rail and the second slide groove are in sliding fit.

[0015] The utility model discloses a technical scheme, locking protection device includes seat body, first locking mechanism, second locking mechanism and protection assembly, seat body is connected with the cabinet through the cabinet connecting part and is connected with the cabinet, and then can install seat body fixedly on the cabinet, first locking mechanism and second locking mechanism are arranged on seat body at intervals, and protection assembly includes first cover body and second cover body, and first cover body and second cover body are all located the same side of seat body, and first cover body and second cover body can all cover the terminal group on the cabinet, and then when protection assembly is in first state, first cover body covers the closing terminal of terminal group, first locking mechanism can be locked with first cover body, and guarantee first cover body is fixed on seat body, and second cover body covers the independent terminal of terminal group, and second locking mechanism can be locked with second cover body, and guarantee second cover body is fixed on seat body, so that first cover body can cover and protect closing terminal, and second cover body can cover and protect independent terminal. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this specification, are included to provide a further understanding of the application and are incorporated by reference herein. The embodiments depicted in the drawings are provided by way of example and are not intended to limit the present application, of which many variations fall within the scope of the present application.

[0017] Figure 1An exploded view of the locking protection device is shown.

[0018] Figure 2 An exploded view of the locking protection device is shown. Figure 1 An enlarged view of a part A in the middle.

[0019] Figure 3 A sectional view of the locking protection device is shown.

[0020] Figure 4 A schematic view of the protection assembly in the first state is shown.

[0021] Figure 5 A schematic view of the protection assembly in the second state is shown.

[0022] Figure 6 A schematic view of the locking protection device is shown.

[0023] Among them, the above-mentioned drawings include the following reference signs:

[0024] 10, seat body; 11, cabinet connecting part; 12, containing groove; 13, first wireless chip; 14, second wireless chip; 15, first sliding rail; 16, second sliding rail; 17, third sliding rail;

[0025] 20, first locking mechanism; 21, lock core; 211, lock shaft; 212, eccentric column; 213, limiting groove; 22, locking piece; 221, lock tongue; 222, transmission groove;

[0026] 30, second locking mechanism;

[0027] 40, protection assembly; 41, first cover body; 411, mounting hole; 412, fixing hole; 413, first sliding groove; 414, second sliding groove; 42, second cover body; 421, third sliding groove;

[0028] 51, clamping groove; 52, first elastic piece; 53, limiting pin; 54, moving column; 541, sliding long groove; 55, second elastic piece; 56, fixed pin; 57, magnetic attraction piece;

[0029] L, length direction of the seat body. DETAILED DESCRIPTION

[0030] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is merely illustrative, and is by no means intended to limit the present application and its application or use in any way. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0031] As shown in Figures 1 to 5 The utility model embodiment provides a kind of locking protection device, it is arranged on cabinet, and the locking protection device includes seat 10, first locking mechanism 20, second locking mechanism 30 and protection assembly 40, seat 10 has cabinet connecting portion 11, first locking mechanism 20 and second locking mechanism 30 are arranged at seat 10 with interval, protection assembly 40 includes first cover body 41 and second cover body 42, first cover body 41 and second cover body 42 are arranged on the same side of seat 10, first cover body and second cover body 42 can all be covered on the terminal group of cabinet, wherein, protection assembly 40 has first state and second state, when protection assembly 40 is in first state, first cover body 41 is covered on the closing terminal of terminal group, and is locked by first locking mechanism 20, second cover body 42 is covered on the independent terminal of terminal group, and is locked by second locking mechanism 30;When protection assembly 40 is in second state, first cover body 41 is covered on the closing terminal of terminal group, and is locked by second locking mechanism 30, second cover body 42 is covered on the independent terminal of terminal group, and is locked by first locking mechanism 20.

[0032] The locking protection device provided by the embodiment comprises a seat body 10, a first locking mechanism 20, a second locking mechanism 30 and a protection assembly 40. The seat body 10 is connected with the cabinet body through a cabinet body connecting part 11, thereby being fixedly installed on the cabinet body. The first locking mechanism 20 and the second locking mechanism 30 are arranged on the seat body 10 at intervals. The protection assembly 40 comprises a first cover body 41 and a second cover body 42. The first cover body 41 and the second cover body 42 are located on the same side of the seat body 10, and both can be covered on the terminal group of the cabinet body. When the protection assembly 40 is in a first state, the first cover body 41 is covered on the closing terminal of the terminal group, the first locking mechanism 20 can be locked with the first cover body 41 to fix the first cover body 41 on the seat body 10, the second cover body 42 is covered on the independent terminal of the terminal group, and the second locking mechanism 30 can be locked with the second cover body 42 to fix the second cover body 42 on the seat body 10, so that the first cover body 41 can protect the closing terminal, and the second cover body 42 can protect the independent terminal. When the protection assembly 40 is in a second state, the position of the closing terminal of the cabinet body changes, and the first cover body 41 is covered on the closing terminal of the terminal group. At this time, the first cover body 41 is locked with the second locking mechanism 30, the second cover body 42 is covered on the independent terminal of the terminal group, and the second cover body 42 is locked with the first locking mechanism 20. When the position of the closing terminal of the cabinet body changes, the positions of the first cover body 41 and the second cover body 42 are interchanged, so that the first cover body 41 can protect the closing terminal, and the second cover body 42 can protect the independent terminal. When one of the first cover body 41 and the second cover body 42 is unlocked, the first locking mechanism 20 and the second locking mechanism 30 are simultaneously controlled to be unlocked, so that the closing operation of the terminal group can be realized, and the first cover body 41 and the second cover body 42 can be independently locked. The locking protection device can protect the closing terminal and the independent terminal of the terminal group under the action of the first cover body 41 and the second cover body 42, and the first locking mechanism 20 and the second locking mechanism 30 are arranged corresponding to the first cover body 41 and the second cover body 42. When the protection assembly 40 is in the first state, the first cover body 41 is locked with the first locking mechanism 20, and the second cover body 42 is locked with the second locking mechanism 30. When the protection assembly 40 is in the second state, the first cover body 41 is locked with the second locking mechanism 30, and the second cover body 42 is locked with the first locking mechanism 20. The first cover body 41 and the second cover body 42 are provided with independent locking structures to realize locking, thereby ensuring the safe operation of the power station.

[0033] It should be noted that the cabinet is provided with three rows of current terminals, and the adjacent two rows of current terminals are closed by the pressing plate. The current terminals of the adjacent two rows are electrically connected to form the closing terminals of the terminal group, and the other current terminal forms the independent terminal of the terminal group, so that the closing terminals and the independent terminals form a dual-port structure. When the first row of current terminals and the second row of current terminals are electrically connected by the pressing plate, the protection assembly 40 is in the first state, i.e., the first cover body 41 covers the first row of current terminals and the second row of current terminals, the first cover body 41 is locked and matched with the first locking mechanism 20, the second cover body 42 covers the third row of current terminals, and the second cover body 42 is locked and matched with the second locking mechanism 30. When the current terminals need to be closed, the first locking mechanism 20 needs to be unlocked, so that the first cover body 41 is unlocked from the seat body 10, and then the first row of current terminals and the second row of current terminals are disconnected. Then, the second locking mechanism 30 is unlocked, so that the second cover body 42 is unlocked from the seat body 10, and the second row of current terminals and the third row of current terminals are closed, so that the second row of current terminals and the third row of current terminals are electrically connected by the pressing plate to form the closing terminals of the terminal group, and the first row of current terminals forms the independent terminal. Then, the positions of the first cover body 41 and the second cover body 42 are interchanged, so that the first cover body 41 covers the closing terminals formed by the second row of current terminals and the third row of current terminals, and the first cover body 41 is locked and matched with the second locking mechanism 30. The second cover body 42 covers the independent terminal formed by the first row of current terminals, and the second cover body 42 is locked and matched with the first locking mechanism 20. The first cover body 41 and the second cover body 42 can be interchanged with the change of the position of the closing terminals, thereby reducing the risk of misoperation. In addition, the first cover body 41 and the second cover body 42 are both provided with a locking structure, so that the first cover body 41 and the second cover body 42 can be locked, the safety of the closing operation is improved, the damage to the equipment is reduced, and safety accidents are avoided.

[0034] In the embodiment, the first locking mechanism 20 and the second locking mechanism 30 are arranged in the length direction of the seat body 10, the size of the first cover body 41 in the length direction L of the seat body 10 is greater than the size of the second cover body 42 in the length direction L of the seat body 10. With the above structure, the first locking mechanism 20 and the second locking mechanism 30 can be arranged in the length direction of the seat body 10, and the first cover body 41 and the second cover body 42 are correspondingly provided with the locking structure, so that the first cover body 41 and the second cover body 42 can be locked, and the size of the first cover body 41 in the length direction L of the seat body 10 is greater than the size of the second cover body 42 in the length direction L of the seat body 10, so that the first cover body 41 can cover and protect the closing terminal, the second cover body 42 covers and protects the independent terminal, and the position of the closing terminal can be judged according to the external size of the first cover body 41 and the second cover body 42, and the position of the closing side can be switched, so as to avoid misoperation.

[0035] As shown in Figure 1 and Figure 3 , the first locking mechanism 20 comprises a lock cylinder 21 and a locking piece 22, the lock cylinder 21 is rotatably arranged in the seat body 10, and the locking piece 22 is telescopically arranged on the seat body 10. The locking piece 22 has a locking position extending out of the seat body 10 and an unlocking position retracting into the seat body 10. When the locking piece 22 is in the locking position, the locking piece 22 is locked and matched with the first cover body 41 or the second cover body 42. By rotating the lock cylinder 21 in the seat body 10, the locking piece 22 can be switched between the locking position and the unlocking position when the lock cylinder 21 is rotated. When the locking piece 22 is in the locking position, the locking piece 22 can extend out of the seat body 10 and be locked and matched with the first cover body 41 or the second cover body 42. When the lock cylinder 21 is rotated, the locking piece 22 can be controlled to retract into the seat body 10, so as to unlock the first cover body 41 or the second cover body 42. The first locking mechanism 20 can lock the first cover body 41 or the second cover body 42, which is convenient for unlocking and improves the practicability of the locking structure.

[0036] It should be noted that in the embodiment, the first locking mechanism 20 and the second locking mechanism 30 have the same structure, the second locking mechanism 30 also has a lock cylinder 21 and a locking piece 22, and the lock cylinder 21 and the locking piece 22 are matched to switch between the locking position and the unlocking position, so that the second locking mechanism 30 can be locked and matched with the first cover body 41 or the second cover body 42.

[0037] As shown in Figure 1 and Figure 3As shown in the figures, the locking piece 22 comprises a locking tongue 221, and the side of the first cover body 41 and the second cover body 42 facing the seat body 10 is provided with a clamping groove 51, and the locking tongue 221 is clamped and matched with the clamping groove 51 when the locking piece 22 is in the locking position. By setting the locking tongue 221 to be telescopically arranged on the seat body 10, and setting the side of the first cover body 41 and the second cover body 42 facing the seat body 10 with the clamping groove 51, the locking tongue 221 can be extended out of the seat body 10 and clamped and matched with the clamping groove 51 of the first cover body 41 when the protection assembly 40 is in the first state, and the locking tongue 221 can be extended out of the seat body 10 and clamped and matched with the clamping groove 51 of the second cover body 42 when the protection assembly 40 is in the second state, so as to ensure that the locking and matching is realized by the locking tongue 221 and the clamping groove 51.

[0038] As shown in the figures, Figure 1 and Figure 3 As shown in the figures, the lock cylinder 21 comprises a lock shaft 211, which is rotatably arranged in the seat body 10, and the rotation axis of the lock shaft 211 is perpendicular to the moving direction of the locking piece 22, and the end of the lock shaft 211 facing the locking tongue 221 is provided with an eccentric column 212, and the locking piece 22 is provided with a transmission groove 222, and the eccentric column 212 is located in the transmission groove 222, and when the lock shaft 211 rotates, the eccentric column 212 is in abutting matching with the groove wall of the transmission groove 222 to switch the locking piece 22 from the locking position to the unlocking position. By rotatably arranging the lock shaft 211 on the seat body 10, and setting the end of the lock shaft 211 facing the locking tongue 221 with the eccentric column 212, and setting the eccentric column 212 in the transmission groove 222 of the locking piece 22, and rotating the lock shaft 211 to drive the eccentric column 212 to rotate around the rotation axis of the lock shaft 211, so that the eccentric column 212 can be in abutting matching with the groove wall of the transmission groove 222, which can drive the locking piece 22 to switch between the locking position and the unlocking position when the eccentric column 212 rotates.

[0039] As shown in the figures, Figure 1 and Figure 3As shown, the seat body 10 has a receiving groove 12 accommodating the lock tongue 221, and the locking protection device further comprises a first elastic member 52, a first end of the first elastic member 52 is in abutting fit with the side wall of the receiving groove 12, and a second end of the first elastic member 52 is in abutting fit with the lock tongue 221. With the above structure, the receiving groove 12 is arranged on the seat body 10, so that the lock tongue 221 can pass out of the receiving groove 12 and be in clamping fit with the clamping groove 51 of the first cover body 41 or the second cover body 42, and the first end of the first elastic member 52 is in abutting fit with the lock tongue 221, and the second end of the first elastic member 52 is in abutting fit with the side wall of the receiving groove 12, the lock tongue 221 is always in the locked position of extending out of the seat body 10 under the action of the elasticity of the first elastic member 52, and the lock shaft 211 is in abutting fit with the transmission groove 222 of the lock tongue 221 when rotating, so as to overcome the elasticity of the first elastic member 52 and enable the lock tongue 221 to retract into the seat body 10, when disassembling the first cover body 41 or the second cover body 42, only need to rotate the lock shaft 211, so that the eccentric column 212 is in abutting fit with the transmission groove 222, so as to enable the lock tongue 221 to overcome the elasticity of the first elastic member 52 and retract into the seat body 10, thereby unlocking the first cover body 41 or the second cover body 42.

[0040] It should be noted that in the present embodiment, the end of the lock tongue 221 facing the protection assembly 40 is provided with a wedge-shaped block, and a guide slope is arranged on the wedge-shaped block, when the first cover body 41 or the second cover body 42 is in locking fit with the seat body 10, the first cover body 41 or the second cover body 42 is in fit with the wedge-shaped block of the lock tongue 221, so that the guide slope on the wedge-shaped block and the first cover body 41 or the second cover body 42 can be switched from the locked position of extending out of the seat body 10 to the unlocked position of retracting into the seat body 10, at this time the lock tongue 221 overcomes the elasticity of the first elastic member 52, and then the lock tongue 221 is in locking fit with the clamping groove 51, at this time the guide slope of the wedge-shaped block and the opposite flat section are in clamping fit with the side wall of the clamping groove 51, and then when unlocking, the lock shaft 211 needs to be rotated, so that the eccentric column 212 is in abutting fit with the transmission groove 222 of the lock tongue 221, so that the lock tongue 221 can overcome the elasticity of the first elastic member 52 and switch the lock tongue 221 from the locked position of extending out of the seat body 10 to the unlocked position of retracting into the seat body 10 under the action of the eccentric column 212 of the lock shaft 211.

[0041] As Figure 1 and Figure 3As shown, the side wall of the lock shaft 211 is provided with a limiting groove 213 extending along the circumference thereof, and the locking protection device further comprises a limiting pin 53 which is arranged in the seat body 10 along the moving direction of the locking member 22 and is in limiting cooperation with the limiting groove 213 to limit the movement of the lock shaft 211 along the axial direction thereof relative to the seat body 10. With the above structure, the limiting pin 53 is arranged in the seat body 10, and the fixing pin 56 can be arranged in the limiting groove 213, so that the fixing pin 56 is in limiting cooperation with the lock shaft 211 to limit the rotation of the lock shaft 211 and prevent the movement of the lock shaft 211 relative to the seat body 10.

[0042] As shown in Figure 1 and Figure 3 The locking protection device further comprises a moving column 54 and a second elastic member 55, and the first cover body 41 and the second cover body 42 are both provided with a mounting hole 411, the moving column 54 is movably arranged in the mounting hole 411, the first end of the second elastic member 55 is in abutting cooperation with the side wall of the mounting hole 411, and the second end of the second elastic member 55 is in abutting cooperation with the moving column 54. By arranging the mounting hole 411 on the first cover body 41 and the second cover body 42, and movably arranging the moving column 54 in the mounting hole 411, the first end of the second elastic member 55 is in abutting cooperation with the side wall of the mounting hole 411, and the second end of the second elastic member 55 is in abutting cooperation with the moving column 54. When the first cover body 41 is in locking cooperation with the first locking mechanism 20 of the seat body 10, the second elastic member 55 is in a compressed state, and the moving column 54 is located in the mounting hole 411. When the first cover body 41 is unlocked, the second elastic member 55 releases the elastic force, and under the action of the second elastic member 55 and the moving column 54, the first cover body 41 can be moved, so that the first cover body 41 can be conveniently detached from the seat body 10. It should be noted that due to the action of the moving column 54, after the locking protection device is unlocked by the unlocking key, the corresponding first cover body 41 or second cover body 42 can be popped out by a certain height relative to the seat body 10, which is convenient for the operator to take out the cover body, and the clamping groove 51 of the cover body is dislocated from the lock tongue 221, so that even if the lock tongue 221 is reset, the cover body will not be locked again.

[0043] As shown in Figure 1 and Figure 3As shown, the locking and protective device also includes a fixing pin 56. A fixing hole 412 is provided on the side wall of the mounting hole 411, and the axis of the fixing hole 412 is perpendicular to the axis of the mounting hole 411. A sliding groove 541 is provided on the moving column 54. The first end of the fixing pin 56 passes through the fixing hole 412, and the second end of the fixing pin 56 passes through the sliding groove 541, thereby limiting the moving distance of the moving column 54 extending out of the first cover 41. With the above structure, by providing a fixing hole 412 on the side wall of the mounting hole 411, and the first end of the fixing pin 56 being located in the fixing hole 412, and the second end of the fixing pin 56 passing through the sliding groove 541, the moving distance of the moving column 54 is equal to the length of the sliding groove 541, thus preventing the moving column 54 from disengaging from the mounting hole 411.

[0044] like Figure 1 , Figure 3 as well as Figure 6 As shown, the locking and protective device also includes a magnetic suction element 57. The first cover 41 is provided with a magnetic suction element 57, which magnetically engages with the cabinet. By providing a magnetic suction element 57 on the first cover 41, it is easy to magnetically engage the first cover 41 with the cabinet, so that the first cover 41 can fit tightly against the surface of the cabinet when locked.

[0045] It should be noted that in this embodiment, the second cover 42 is also provided with a magnetic suction component 57, so that the second cover 42 can be installed on the cabinet and the second cover 42 can fit tightly against the surface of the cabinet when it is locked.

[0046] like Figure 1 and Figure 4 As shown, the base 10 is equipped with a first wireless chip 13 and a second wireless chip 14 for identification by the unlocking key. The first wireless chip 13 is disposed on the base 10 corresponding to the first locking mechanism 20, and the second wireless chip 14 is disposed on the base 10 corresponding to the second locking mechanism 30. With this structure, by providing the first wireless chip 13 and the second wireless chip 14, it is convenient for staff to unlock the device before operating the first locking mechanism 20 and the second locking mechanism 30. This not only prevents accidental operation by staff but also improves the security of the locking protection device.

[0047] like Figure 1As shown, the seat body 10 is provided with the first slide rail 15, the second slide rail 16 and the third slide rail 17 which are arranged along the length direction of the seat body 10, the side of the first cover body 41 which faces the seat body 10 is provided with the first slide groove 413 and the second slide groove 414, the side of the second cover body 42 which faces the seat body 10 is provided with the third slide groove 421, when the protection assembly 40 is in the first state, the first slide rail 15 and the first slide groove 413 are in sliding fit, the second slide rail 16 and the second slide groove 414 are in sliding fit, the third slide rail 17 and the third slide groove 421 are in sliding fit, when the protection assembly 40 is in the second state, the first slide rail 15 and the third slide groove 421 are in sliding fit, the second slide rail 16 and the first slide groove 413 are in sliding fit, the third slide rail 17 and the second slide groove 414 are in sliding fit. With the above structure, by arranging the first slide rail 15, the second slide rail 16 and the third slide rail 17 on the seat body 10, when the protection assembly 40 is in the first state, the first slide rail 15 and the first slide groove 413 of the first cover body 41 are in sliding fit, the second slide rail 16 and the second slide groove 414 of the first cover body 41 are in sliding fit, so as to facilitate the positioning of the first cover body 41, the third slide rail 17 and the third slide groove 421 of the second cover body 42 are in sliding fit, so as to facilitate the positioning of the second cover body 42. When the protection assembly 40 is in the second state, the first slide rail 15 and the third slide groove 421 of the second cover body 42 are in sliding fit, so as to facilitate the positioning of the second cover body 42, the second slide rail 16 and the first slide groove 413 of the first cover body 41 are in sliding fit, the third slide rail 17 and the second slide groove 414 of the first cover body 41 are in sliding fit, so as to facilitate the positioning of the first cover body 41.

[0048] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0049] The foregoing description, for purposes of explanation, sets forth specific values and arrangements of components and steps that are subject to many options. The intent is to be accurate in describing the principles and novel features of the application. Thus, although the application has been described with reference to specific embodiments thereof, it will be apparent to those of ordinary skill in the art that a number of changes can be made to the embodiments described without departing from the spirit and scope of the application. For example, the various features of the application can be combined in any combination, where possible. Accordingly, the scope of the application is to be construed as encompassing modifications and variations of the specific examples described herein, subject only to the conditions of the prior art.

[0050] In the description of the present application, it needs to be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0051] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawings is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the example term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used herein is interpreted accordingly.

[0052] In addition, it needs to be explained that the use of "first", "second" and the like to limit parts only for the convenience of distinguishing the corresponding parts, and if there is no further declaration, the above words have no special meaning, therefore, it cannot be understood as a limitation on the scope of protection of the present application.

[0053] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A closure guard, provided on a cabinet, characterized in that, The locking protection device comprises: a seat body (10) having a cabinet connecting part (11); a first locking mechanism (20) and a second locking mechanism (30) arranged at intervals on the seat body (10); a protection assembly (40) comprising a first cover body (41) and a second cover body (42), the first cover body (41) and the second cover body (42) being arranged on the same side of the seat body (10), and each of the first cover body and the second cover body (42) being capable of covering a terminal group of the cabinet; wherein the protection assembly (40) has a first state and a second state, when the protection assembly (40) is in the first state, the first cover body (41) covers the closing terminal of the terminal group and is locked by the first locking mechanism (20), and the second cover body (42) covers the independent terminal of the terminal group and is locked by the second locking mechanism (30); when the protection assembly (40) is in the second state, the first cover body (41) covers the closing terminal of the terminal group and is locked by the second locking mechanism (30), and the second cover body (42) covers the independent terminal of the terminal group and is locked by the first locking mechanism (20).

2. The lockout guard of claim 1, wherein, The first locking mechanism (20) and the second locking mechanism (30) are arranged at intervals along the length direction of the seat body (10), and the size of the first cover body (41) along the length direction of the seat body (10) is greater than the size of the second cover body (42) along the length direction of the seat body (10).

3. The lockout guard of claim 2, wherein, The first locking mechanism (20) comprises a lock cylinder (21) and a locking piece (22), the lock cylinder (21) is rotatably arranged in the seat body (10), and the locking piece (22) is telescopically arranged on the seat body (10), the locking piece (22) has a locking position extending out of the seat body (10) and an unlocking position retracting into the seat body (10), and when the locking piece (22) is in the locking position, the locking piece (22) is locked and matched with the first cover body (41) or the second cover body (42).

4. The locking protection device according to claim 3, wherein the locking piece (22) comprises a lock tongue (221), one side of the first cover body (41) and the second cover body (42) facing the seat body (10) is provided with a clamping groove (51), and when the locking piece (22) is in the locking position, the lock tongue (221) is clamped and matched with the clamping groove (51). The lock cylinder (21) comprises a lock shaft (211) rotatably arranged in the seat body (10), an axis of rotation of the lock shaft (211) being perpendicular to a moving direction of the locking piece (22), an end of the lock shaft (211) facing the lock tongue (221) being provided with an eccentric column (212), the locking piece (22) being provided with a transmission groove (222), the eccentric column (212) being located in the transmission groove (222), when the lock shaft (211) rotates, the eccentric column (212) abuts with a groove wall of the transmission groove (222) to switch the locking piece (22) from the locking position to the unlocking position.

5. The lockout guard of claim 4, wherein, The seat body (10) has a containing groove (12) containing the lock tongue (221), and the locking protection device further comprises a first elastic piece (52), a first end of the first elastic piece (52) abutting with a side wall of the containing groove (12), and a second end of the first elastic piece (52) abutting with the lock tongue (221).

6. The occlusion shield of claim 4, wherein, A side wall of the lock shaft (211) is provided with a limiting groove (213) extending along a circumference thereof, and the locking protection device further comprises a limiting pin (53) penetrating the seat body (10) along the moving direction of the locking piece (22) and limitingly cooperating with the limiting groove (213) to limit the movement of the lock shaft (211) along an axial direction thereof relative to the seat body (10).

7. The occlusion shield of any one of claims 1 to 6, wherein, The locking protection device further comprises a moving column (54) and a second elastic piece (55), the first cover body (41) and the second cover body (42) are both provided with a mounting hole (411), the moving column (54) is movably arranged in the mounting hole (411), a first end of the second elastic piece (55) abutting with a side wall of the mounting hole (411), and a second end of the second elastic piece (55) abutting with the moving column (54).

8. The lockout guard of claim 7, wherein, The locking protection device further comprises a fixing pin (56), a side wall of the mounting hole (411) is provided with a fixing hole (412), an axis of the fixing hole (412) being perpendicular to an axis of the mounting hole (411), the moving column (54) is provided with a sliding long groove (541), a first end of the fixing pin (56) penetrating the fixing hole (412), and a second end of the fixing pin (56) penetrating the sliding long groove (541) to limit the moving distance of the moving column (54) extending out of the first cover body (41).

9. The locking protection device according to any one of claims 1 to 6, wherein, the locking protection device further comprises a magnetic attraction piece (57), the first cover body (41) is provided with the magnetic attraction piece (57), and the magnetic attraction piece (57) magnetically attracts the cabinet body; and / or, The seat body (10) is provided with a first wireless chip (13) and a second wireless chip (14) for unlocking key identification, the first wireless chip (13) is arranged on the seat body (10) corresponding to the first locking mechanism (20), and the second wireless chip (14) is arranged on the seat body (10) corresponding to the second locking mechanism (30).

10. The occlusion shield of any one of claims 1 to 6, wherein, The seat body (10) is provided with a first sliding rail (15), a second sliding rail (16) and a third sliding rail (17) arranged at intervals along the length direction thereof, the side of the first cover body (41) facing the seat body (10) is provided with a first sliding groove (413) and a second sliding groove (414), the side of the second cover body (42) facing the seat body (10) is provided with a third sliding groove (421), when the protection assembly (40) is in the first state, the first sliding rail (15) and the first sliding groove (413) are in sliding fit, the second sliding rail (16) and the second sliding groove (414) are in sliding fit, and the third sliding rail (17) and the third sliding groove (421) are in sliding fit, when the protection assembly (40) is in the second state, the first sliding rail (15) and the third sliding groove (421) are in sliding fit, the second sliding rail (16) and the first sliding groove (413) are in sliding fit, and the third sliding rail (17) and the second sliding groove (414) are in sliding fit.

Images