Locking mechanism of power cabinet

Abstract

The utility model relates to the technical field of electric power cabinets, and particularly discloses a locking mechanism of an electric power cabinet, which comprises a cabinet door and further comprises a fixed plate fixed on the cabinet door, a lock arranged on the fixed plate, and a handle arranged on the front outer part of the fixed plate; the mounting shaft is rotatably mounted on the fixing plate, the handle is fixed to the outer end of the mounting shaft, the inner end of the mounting shaft penetrates through the cabinet door, a driving plate is fixed to the inner end of the mounting shaft, an arc-shaped gear is fixedly connected to the middle of the mounting shaft in a sleeving mode and meshed with a rack capable of moving up and down, and a baffle used for shielding the outside of the lock is fixedly connected to the rack; and the driving plate is in linkage connection with the switch control piece. The electric power cabinet is reasonable in structural arrangement, the baffle can shield the outer side of the lock, meanwhile, the power switch in the electric power cabinet can be controlled before the cabinet door is opened through transmission of the transmission structure, a power source in the electric power cabinet is cut off when the cabinet door is opened, and the use safety of the electric power cabinet is improved.

Description

Technical Field

[0001] The utility model belongs to the field of power cabinet structure design, in particular to a locking mechanism of a power cabinet. Background Art

[0002] A power cabinet, also known as an electrical cabinet, is a cabinet used to manage, protect, control, distribute and detect electrical equipment. Its main purpose is to centrally control and protect electricity to ensure the safe operation of the power system. In addition, the power cabinet can also effectively control the distribution and use of electrical energy, enhancing the safety and reliability of the power system. In order to ensure the protection and safety of the electrical components inside the power cabinet, most power cabinets are equipped with cabinet doors and locked by installing locks. Since the locks are exposed to the outside world, they are easy to be opened; however, if the electrical components inside the power cabinet are energized when the cabinet door is opened, it is likely to cause an electric shock accident if a non-professional opens the cabinet door. Utility Model Content

[0003] The utility model provides a locking mechanism for a power cabinet to solve the problems existing in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a locking mechanism for a power cabinet, comprising a cabinet door; and further comprising:

[0006] A fixing plate fixed to the cabinet door, a lock is mounted on the fixing plate, and a handle is arranged on the front exterior of the fixing plate;

[0007] A mounting shaft rotatably mounted on the fixed plate, the handle being fixed to the outer end of the mounting shaft, the inner end of the mounting shaft passing through the cabinet door and having a driving plate fixed thereto, an arc gear being sleeved and fixed in the middle of the mounting shaft, the arc gear being meshed with a rack that can move up and down, and a baffle for shielding the outside of the lock being fixedly connected to the rack;

[0008] The driving plate is linked to the switch control component.

[0009] In some embodiments, a torsion spring is mounted on the mounting shaft, and the torsion spring provides a restoring elastic force for the handle to rotate toward an initial position. When the handle is in the initial position, the baffle covers the lock.

[0010] In some embodiments, one end of the torsion spring is connected to the arc gear, and the other end is connected to the fixing plate.

[0011] In some embodiments, sliding grooves are provided on both sides of the fixing plate, and sliding blocks slidably connected to the two sliding grooves are provided on both sides of the baffle.

[0012] In some embodiments, a blocking cover is mounted on the mounting shaft to shield the torsion spring from the outside.

[0013] In some embodiments, a connecting pin is fixed on the driving plate at an eccentric position, a strip hole is provided on the switch control component, the connecting pin is inserted into the strip hole, and the switch control component is movably arranged on the inner side of the cabinet door.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model can ensure the safety of the use of the power cabinet by optimizing the structure. When the handle is in the initial position, the baffle will cover the lock. When the lock needs to be opened, the handle needs to be turned first. In the process of turning the handle, the arc gear is driven to rotate, and then the arc gear and the rack are meshed to drive the baffle to move so that the key hole on the lock is exposed. At the same time, in the process of turning the handle, the drive plate is driven to rotate and the switch control component is driven to move, so that the power switch in the power cabinet is controlled by the switch control component to switch to disconnect. In this way, the purpose of disconnecting the power supply before the cabinet door is opened can be achieved, thereby ensuring the safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the locking mechanism in the utility model;

[0016] Figure 2 A structural schematic diagram of the locking mechanism in the utility model (without the cabinet door and baffle shielding the lock);

[0017] Figure 3 This is a structural schematic diagram of the locking mechanism of the utility model after removing the cabinet door and the fixing plate;

[0018] Figure 4 It is a structural schematic diagram of the locking mechanism of the utility model (the cabinet door is removed and the baffle does not block the lock).

[0019] The reference numerals shown in the figure are: 1, cabinet door; 2, fixing plate; 21, slide groove; 3, lock; 4, handle; 5, mounting shaft; 6, driving plate; 7, arc gear; 8, rack; 9, baffle; 91, slider; 10, switch control part; 101, strip hole; 102, sleeve hole; 11, cover. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The locking mechanism structure of the power cabinet in this embodiment can be found in Figures 1 to 4 As shown, it includes a cabinet door 1, a fixing plate 2 and a mounting shaft 5; the fixing plate 2 is fixed to the outside of the cabinet door 1, a lock 3 is installed on the fixing plate 2, and a handle 4 is arranged on the front outside of the fixing plate 2; the mounting shaft 5 is rotatably mounted on the fixing plate 2, the handle 4 is fixed to the outer end of the mounting shaft 5, the inner end of the mounting shaft 5 passes through the cabinet door 1 and a driving plate 6 is fixed to the end, an arc gear 7 is sleeved and fixed in the middle of the mounting shaft 5, the arc gear 7 is meshed with a rack 8 that can move up and down, and a baffle 9 for shielding the outside of the lock 3 is fixedly connected to the rack 8; the driving plate 6 is linked to the switch control member 10, and the switch control member 10 is used to connect the power switch in the power cabinet; with the structure in this embodiment, the handle 4 is in the initial position When the lock 3 is in the locked state, the baffle 9 blocks the lock 3. When the lock 3 needs to be opened, the handle 4 needs to be turned. In the process of turning the handle 4, the arc gear 7 is driven to rotate, and then the arc gear 7 is meshed with the rack 8, thereby driving the baffle 9 to move so that the key hole on the lock 3 is exposed. At the same time, in the process of turning the handle 4, the driving plate 6 is driven to rotate and the switch control component 10 is driven to move, so that the power switch in the power cabinet is controlled by the switch control component to switch to off, so that the purpose of disconnecting the power supply before the cabinet door 1 is opened can be achieved, so that the operational safety can be guaranteed, thereby greatly reducing the potential safety hazards; if this function is not needed in actual use, the switch control component 10 can be connected to the power switch, so that the switch control component 10 will not drive the power switch state to switch when it is active.

[0022] In a further solution, a torsion spring (not shown in the figure) is mounted on the mounting shaft 5, and the torsion spring always provides a reset force for the handle 4 to rotate toward the initial position. When the handle 4 is in the initial position, the baffle 9 blocks the lock 3; when the handle 4 is rotated to drive the baffle 9 to move away from the position of blocking the lock 3, the torsion spring is gradually compressed to store energy.

[0023] Exemplarily, one end of the torsion spring is connected to the arc gear 7 , and the other end is connected to the fixed plate 2 , so that the elastic torque transmitted by the torsion spring to the arc gear 7 can be transmitted to the handle 4 , thereby providing a reset elastic force for the handle 4 .

[0024] Furthermore, in order to guide and limit the baffle 9, in this embodiment, sliding grooves 21 are opened on both sides of the fixed plate 2, and sliders 91 slidingly connected to the two sliding grooves 21 are respectively provided on both sides of the baffle 9. The baffle 9 can be guided and limited by cooperating with the sliders 91 and the sliding grooves 21, thereby ensuring the stability of the structure.

[0025] In some embodiments, Figure 2As shown, in order to prevent the torsion spring from leaking out and impurities from easily adhering to the torsion spring, a blocking cover 11 is provided on the installation shaft 5 to shield the torsion spring from the outside, and a cavity for accommodating the torsion spring is provided inside the blocking cover 11.

[0026] In some embodiments, Figure 3 As shown, a connecting pin 61 is fixed on the driving plate 6 at an eccentric position, and a strip hole 101 is provided on the switch control member 10. The connecting pin 61 is inserted into the strip hole 101, and the switch control member 10 is movably arranged on the inner side of the cabinet door 1, so that when the handle 4 drives the mounting shaft 5 to rotate, the connecting pin 61 moves relatively in the strip hole 101 and drives the switch control member 10 to move. When the switch control member 10 moves, the switching state of the power switch is controlled. The end of the switch control member 10 away from the strip hole 101 can be arranged on the sleeve hole 102 on which the pull handle of the power switch is sleeved. When the switch control member 10 moves, the side wall of the sleeve hole 102 applies a thrust to the handle of the power switch to switch the state of the power switch.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A locking mechanism for a power cabinet, comprising a cabinet door (1), characterized in that: Also includes: A fixing plate (2) fixed to the cabinet door (1), a lock (3) being mounted on the fixing plate (2), and a handle (4) being arranged on the front exterior of the fixing plate (2); A mounting shaft (5) is rotatably mounted on the fixing plate (2), the handle (4) is fixed to the outer end of the mounting shaft (5), the inner end of the mounting shaft (5) passes through the cabinet door (1) and a driving plate (6) is fixed to the end, an arc gear (7) is sleeved and fixed in the middle of the mounting shaft (5), the arc gear (7) is meshed with a rack (8) that can move up and down, and a baffle (9) for shielding the outside of the lock (3) is fixedly connected to the rack (8); The driving plate (6) is linked to the switch control component (10).

2. The locking mechanism of the power cabinet according to claim 1, characterized in that: A torsion spring is sleeved on the mounting shaft (5), and the torsion spring provides a restoring elastic force for the handle (4) to rotate toward the initial position. When the handle (4) is in the initial position, the baffle (9) blocks the lock (3).

3. The locking mechanism of the power cabinet according to claim 2, characterized in that: One end of the torsion spring is connected to the arc gear (7), and the other end is connected to the fixing plate (2).

4. The locking mechanism of the power cabinet according to claim 3 is characterized in that: Slide grooves (21) are provided on both sides of the fixing plate (2), and sliding blocks (91) slidably connected to the two slide grooves (21) are provided on both sides of the baffle plate (9).

5. The locking mechanism of the power cabinet according to claim 2, characterized in that: The installation shaft (5) is sleeved with a blocking cover (11) for shielding the torsion spring from the outside.

6. The locking mechanism of the power cabinet according to claim 1, characterized in that: A connecting pin (61) is fixed on the driving plate (6) at an eccentric position, a strip hole (101) is provided on the switch control component (10), the connecting pin (61) is inserted into the strip hole (101), and the switch control component (10) is movably arranged on the inner side of the cabinet door (1).

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