Voltage-stabilizing current limiting device

Abstract

The utility model discloses a voltage stabilizing current limiting device which comprises a protective shell, a base, a bolt and an electronic element, the electronic element is installed on the base, a plurality of movable grooves are formed in the protective shell, openings communicated with the movable grooves are formed in the protective shell, a rotating cavity and a transmission cavity are formed in a shell body of the protective shell, and the rotating cavity is communicated with the transmission cavity. A screw extending into the transmission cavity is arranged in the rotating cavity, a rotating shaft is rotationally arranged in the transmission cavity, and the screw is connected with the rotating shaft through a rotating mechanism. The rotating block drives the rotating shaft and the screw rod to rotate, so that the limiting frame on the movable frame is tightly matched with the bolt, stable connection of the protective shell and the base is achieved, it is ensured that the device cannot be accidentally separated in the using process, and the overall stability of the device is improved. And meanwhile, the whole device is convenient to disassemble and assemble, and high convenience is provided for overhaul and maintenance and the like.

Description

Technical Field

[0001] The utility model relates to the field of electronic technology, in particular to a voltage-stabilizing current limiting device. Background Technique

[0002] A voltage-stabilizing current limiting device is a device used to stabilize the current output and limit the magnitude of the current. It is usually composed of a protective shell, a base, electronic components, etc. It can be installed on various electronic devices, power systems, lighting systems, electric vehicles and charging facilities, etc., to provide a stable current supply for them, and limit the current when it exceeds the set value, so as to protect the device from damage caused by excessive current and ensure the stable operation of the entire system.

[0003] In the prior art, the voltage-stabilizing current limiting device mostly relies on bolt assemblies to be installed on the installation platform. Each time when disassembling and assembling, it is necessary to loosen and tighten the bolt assemblies, so the operation is cumbersome and time-consuming and laborious. And frequently loosening and tightening the bolts may cause problems such as wear and slipping of the bolt holes, damaging the structures of the device and the installation platform. At the same time, the device or the installation platform may be accidentally collided during the disassembly and assembly process, further increasing the risk of damage. In order to improve it, a voltage-stabilizing current limiting device is proposed here. Content of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a voltage-stabilizing current limiting device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A voltage-stabilizing current limiting device includes a protective shell, a base, bolts and electronic components. The electronic components are installed on the base. The protective shell is provided with a plurality of movable grooves, and the protective shell is provided with an opening communicating with the movable grooves. A rotating cavity and a transmission cavity are arranged inside the shell of the protective shell. A screw rod extending into the transmission cavity is arranged in the rotating cavity. A rotating shaft is rotatably arranged in the transmission cavity. The screw rod is connected to the rotating shaft through a rotating mechanism. A movable frame located in the movable groove is sleeved on the screw rod in a threaded manner. The movable frame is connected to the bolt through a limiting mechanism.

[0007] Preferably, the rotating mechanism includes a driving gear installed on the rotating shaft, and a transmission gear is installed on the screw rod. The driving gear meshes with the transmission gear.

[0008] Preferably, the limiting mechanism includes a limiting frame installed on the movable frame, and the limiting frame is designed corresponding to the bolt.

[0009] Preferably, the limiting frame is provided with a plug rod, the outer wall of the base is provided with a slot corresponding to the plug rod, and the protective shell is provided with a jack corresponding to the plug rod.

[0010] Preferably, both the driving gear and the transmission gear are bevel gears, and the meshing mode between the driving gear and the transmission gear is vertical meshing.

[0011] Preferably, the limiting frame is designed in a U shape, and the movable frame is designed in a Z shape.

[0012] Preferably, a rotating block is rotatably mounted on the surface of the protective shell, and the rotating block is connected to the rotating shaft.

[0013] Preferably, anti-slip lines are provided on the arc-shaped outer wall of the rotating block, and a dust-proof net is provided on the protective shell through a heat dissipation port.

[0014] Advantages of the present utility model:

[0015] By driving the rotating shaft and the screw rod to rotate through the rotating block, the limiting frame on the movable frame is tightly matched with the bolt, realizing the stable connection between the protective shell and the base, ensuring that the device will not be accidentally separated during use, and improving the overall stability of the device. At the same time, the convenient disassembly and assembly of the whole device are also realized, providing high convenience for maintenance and repair, etc.

[0016] The limiting frame is designed in a U shape, the movable frame is designed in a Z shape, and the cooperation of the insertion rod with the insertion slot and the insertion hole further enhances the connection firmness between the protective shell and the base, preventing the device from loosening in various environments.

[0017] The design of the rotating block makes the operation of the rotating shaft more convenient. Just rotate the rotating block to realize the connection and disassembly of the protective shell and the base, without complicated tools and operation steps, improving the installation and disassembly efficiency.

[0018] The anti-slip lines on the arc-shaped outer wall of the rotating block increase the friction force of hand gripping, avoiding slipping during the rotation operation, and making the operation smoother and safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of a voltage stabilizing current limiting device proposed by the present utility model;

[0020] Figure 2 is Figure 1 the upward view structural schematic diagram of

[0021] Figure 3 is the vertical sectional structural schematic diagram of components such as the protective shell;

[0022] Figure 4 is Figure 3 the enlarged schematic diagram of the structure at A of

[0023] Figure 5 is Figure 4 the enlarged schematic diagram of the structure at B of

[0024] Figure 6 Schematic diagram of components such as a protective case installed on an installation platform.

[0025] In the figure: 1 protective case, 2 base, 3 bolt, 4 rotating block, 5 movable slot, 6 opening, 7 movable frame, 8 limiting frame, 9 slot, 10 electronic component, 11 jack, 12 rotating cavity, 13 screw rod, 14 transmission cavity, 15 rotating shaft, 16 driving gear, 17 transmission gear, 18 inserting rod. Specific implementation manner

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0027] Refer to Figures 1-6 , a voltage-stabilizing current-limiting device, including a protective case 1, a base 2, a bolt 3 and an electronic component 10. The electronic component 10 includes a voltage-stabilizing element, a current-limiting element and other auxiliary elements, etc., which will not be elaborated here specifically, and can be referred to the prior art disclosure.

[0028] The electronic component 10 is installed on the base 2. The protective case 1 is provided with a plurality of movable slots 5, the protective case 1 is provided with an opening 6 communicating with the movable slot 5, the interior of the shell of the protective case 1 is provided with a rotating cavity 12 and a transmission cavity 14, a screw rod 13 extending into the transmission cavity 14 is arranged in the rotating cavity 12, a rotating shaft 15 is rotatably arranged in the transmission cavity 14, the screw rod 13 is connected with the rotating shaft 15 through a rotating mechanism, and a movable frame 7 located in the movable slot 5 is sleeved and installed on the screw rod 13 in a threaded manner. The movable frame 7 is connected with the bolt 3 through a limiting mechanism.

[0029] The rotating mechanism includes a driving gear 16 installed on the rotating shaft 15, a transmission gear 17 is installed on the screw rod 13, and the driving gear 16 is meshed with the transmission gear 17. Both the driving gear 16 and the transmission gear 17 are bevel gears, and the meshing mode between the driving gear 16 and the transmission gear 17 is vertical meshing. The vertical meshing mode can realize the change of the power direction transmission. When the vertical rotating shaft 15 rotates, the synchronous rotation of a plurality of horizontally arranged screw rods 13 is realized. The thread direction of the screw rod 13 is set according to its rotation direction, and it is ensured that a plurality of movable frames 7 move synchronously closer to or away from each other.

[0030] The limiting mechanism includes a limiting frame 8 installed on the movable frame 7, and the limiting frame 8 is designed corresponding to the bolt 3. The limiting frame 8 is designed in a U shape, and the movable frame 7 is designed in a Z shape. When the limiting frame 8 is located below the head of the bolt 3 and closely adheres to the outer wall of the rod part and the outer wall of the head, it cannot have a vertical displacement with the bolt 3.

[0031] The limiting frame 8 is provided with a plug rod 18, the outer wall of the base 2 is provided with a slot 9 corresponding to the plug rod 18, and the protective case 1 is provided with a jack 11 corresponding to the plug rod 18. The plug rod 18 can pass through the jack 11 and finally enter the slot 9, at this time, the stable connection between the protective case 1 and the base 2 is realized.

[0032] A rotating block 4 is rotatably installed on the surface of the protective case 1, and the rotating block 4 is connected to a rotating shaft 15. Anti-slip lines are provided on the arc-shaped outer wall of the rotating block 4. The rotation operation of the rotating shaft 15 is realized by means of the rotating block 4, and the anti-slip lines prevent slipping when the hand holds and rotates.

[0033] The protective case 1 is provided with a dust-proof net through a heat dissipation port. The heat dissipation port and the heat dissipation net are located on the back of the protective case 1 in the figure. The heat dissipation port ensures heat dissipation when the electronic component 10 works, and the dust-proof net can prevent dust from entering.

[0034] When the present utility model is in use, the base 2 together with the electronic component 10 is placed on the installation platform and is located in the middle of a plurality of fixing grooves on the installation platform. Subsequently, a plurality of bolts 3 are installed into the corresponding fixing grooves, and it is ensured that the rod part of the bolt 3 does not completely enter the fixing groove, and there is a certain distance between the head of the bolt 3 and the installation platform.

[0035] Subsequently, the protective case 1 is placed on the installation platform, and it is ensured that the base 2 enters the inside of the protective case 1. Then, the rotating block 4 is rotated, so as to drive the rotating shaft 15 to rotate. When the rotating shaft 15 rotates, the screw rod 13 can be driven to rotate by means of the driving gear 16 and the transmission gear 17. When the screw rod 13 rotates, the movable frame 7 moves closer to the rotating block 4, thereby driving the limiting frame 8 to move. The upper end surface of the limiting frame 8 finally contacts the bottom wall of the head of the bolt 3, and the arc-shaped inner wall of the limiting frame 8 finally contacts the arc-shaped outer wall of the rod part of the bolt 3. At this time, the connection between the protective case 1 and the base 2 is completed and will not come off, and the protective case 1 cannot come off from the installation platform either.

[0036] Correspondingly, when disassembling, the rotating block 4 is reversed to separate the limiting frame 8 from the bolt 3. Then, the protective case 1 is vertically lifted upwards to separate it from the installation platform and the base 2. Finally, the base 2 and the electronic component 10 thereon can be taken.

[0037] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A voltage-stabilizing current limiting device, comprising a protective shell (1), a base (2), a bolt (3) and an electronic component (10), characterized in that: The electronic component (10) is mounted on a base (2); a plurality of movable grooves (5) are provided on the protective shell (1); an opening (6) communicating with the movable grooves (5) is provided on the protective shell (1); a rotating chamber (12) and a transmission chamber (14) are provided inside the shell of the protective shell (1); a screw (13) extending into the transmission chamber (14) is provided in the rotating chamber (12); a rotating shaft (15) is rotatably provided in the transmission chamber (14); the screw (13) is connected to the rotating shaft (15) via a rotating mechanism; a movable frame (7) in the movable grooves (5) is threadedly sleeved on the screw (13); and the movable frame (7) is connected to the bolt (3) via a limiting mechanism.

2. A voltage-stabilizing current limiting device according to claim 1, characterized in that: The rotating mechanism comprises a driving gear (16) mounted on a rotating shaft (15), a transmission gear (17) mounted on the screw rod (13), and the driving gear (16) meshes with the transmission gear (17).

3. A voltage-stabilizing current limiting device according to claim 2, characterized in that: The limiting mechanism comprises a limiting frame (8) mounted on the movable frame (7), and the limiting frame (8) is designed corresponding to the bolt (3).

4. A voltage-stabilizing current limiting device according to claim 3, characterized in that: The limiting frame (8) is provided with an insertion rod (18), the outer wall of the base (2) is provided with a slot (9) corresponding to the insertion rod (18), and the protective shell (1) is provided with a socket (11) corresponding to the insertion rod (18).

5. A voltage-stabilizing current limiting device according to claim 4, characterized in that: The driving gear (16) and the transmission gear (17) are both bevel gears, and the meshing mode between the driving gear (16) and the transmission gear (17) is vertical meshing.

6. A voltage-stabilizing current limiting device according to claim 5, characterized in that: The limiting frame (8) is designed in a U shape, and the movable frame (7) is designed in a Z shape.

7. A voltage-stabilizing current limiting device according to claim 6, characterized in that: A rotating block (4) is rotatably mounted on the surface of the protective shell (1), and the rotating block (4) is connected to a rotating shaft (15).

8. A voltage-stabilizing current limiting device according to claim 7, characterized in that: The rotating block (4) is provided with anti-slip grooves on its arc-shaped outer wall, and the protective shell (1) is provided with a dustproof net through the heat dissipation port.

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