Protective shielding cover for wiring terminal

By fixing the terminal protective cover with a clamping structure, the problem of inconvenient screw installation is solved, achieving a convenient and efficient installation effect.

CN223744072UActive Publication Date: 2025-12-30SHANGHAI HANPU NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422756295.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-12-30
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

The installation of existing terminal block covers usually requires the use of screws, which are easy to lose and are troublesome to disassemble and assemble, affecting installation efficiency.

Method used

The terminal protective cover is fixed by a locking structure, which uses a combination of locking blocks and springs to avoid the need for screw installation.

Benefits of technology

It improves the installation efficiency of terminal block protective covers, ensures the stability and convenience of installation, and avoids the use of screws.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a protective shielding cover for a wiring terminal, which comprises a protective plate arranged at the top of a wiring terminal block body, the bottom of the protective plate is fixedly connected with a protective baffle plate, two sides of the protective plate are fixedly connected with fixed blocks, inner cavities of the fixed blocks are slidably connected with sliding blocks, and the sliding blocks are fixedly connected with the protective baffle plate. The bottom of the sliding block extends to the outer portion of the fixing block and is fixedly connected with a first clamping block. According to the utility model, through pressing the protection plate, the clamping block I enters the inner cavity of the fixing frame, the clamping block II extrudes the clamping block I, at the moment, the clamping block I drives the sliding block to move oppositely, the spring is contracted, and when the protection plate is attached to the top of the wiring terminal strip body, the spring extends and pushes the clamping block I to deviate from the clamping block II to be clamped with the clamping block II. Therefore, the wiring terminal protective cover can be fixed symmetrically through the clamping structure, a user is prevented from installing the wiring terminal protective cover by using screws, and the installation efficiency of the wiring terminal protective cover is ensured.
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Description

Technical Field

[0001] This utility model belongs to the field of terminal protection technology, and in particular relates to a protective shielding cover for terminal blocks. Background Technology

[0002] Terminal block protective covers are commonly used on photovoltaic inverters to protect the exposed parts of the terminals. They serve to prevent contact with electrical shocks and provide waterproofing. They also prevent short circuits and other faults caused by dust, moisture, or other uncontrollable external environments when the terminals are installed outdoors, thus ensuring the safe and reliable operation of electrical equipment and preventing accidents such as power outages.

[0003] Currently, most terminal blocks are equipped with protective covers for protection. These covers are typically installed using screws, which can lead to screw loss and are cumbersome to install and remove. Therefore, a protective shield for terminal blocks is needed that can be secured with a symmetrical clamping structure, eliminating the need for screws and ensuring efficient installation. Utility Model Content

[0004] The purpose of this utility model is to provide a protective shield for terminal blocks, which can be fixed by a symmetrical terminal block protective cover through a clamping structure, avoiding the need for users to use screws to install the terminal block protective cover, thus ensuring the installation efficiency of the terminal block protective cover and solving the above-mentioned technical problems.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A protective shield for terminal blocks includes a protective plate disposed on the top of the terminal block body. A protective baffle is fixedly connected to the bottom of the protective plate. Fixed blocks are fixedly connected to both sides of the protective plate. A slider is slidably connected to the inner cavity of the fixed block. The bottom of the slider extends to the outside of the fixed block and is fixedly connected to a locking block. Two pairs of symmetrical sliding grooves are opened on the top of the fixed block. The top of the slider passes through the sliding grooves and is fixedly connected to a lever. Two symmetrical sliding rods are fixedly connected to the inner cavity of the fixed block. The sliding rods pass through the slider and are slidably connected to the slider. A spring is sleeved on the surface of the sliding rod. The two ends of the spring are fixedly connected to the opposite side of the two locking blocks. Two symmetrical fixing frames are fixedly connected to the top of the terminal block body. Locking blocks are fixedly connected to the front and back of the inner cavity of the fixing frames. Locking blocks engage with locking blocks.

[0006] Preferably, the bottom of the protective plate is fixedly connected to two symmetrical limiting plates, and the back of the terminal block body is provided with two symmetrical limiting grooves, the limiting plates and the limiting grooves being adapted to each other.

[0007] Preferably, the protective baffle has a row of openings on its front side, and the openings on the front side of the protective baffle are adapted to the openings on the front side of the terminal block body. The fixing block is located directly above the fixing frame, and the bottom of the fixing block is a rectangular frame.

[0008] Preferably, the bottom of the first card block and the top of the second card block are both sloped surfaces, and the bottom of the first card block and the top of the second card block are adapted to each other.

[0009] Preferably, the two opposing sides of the two levers are provided with anti-slip textures, and the top of the first locking block is attached to the bottom of the fixing block.

[0010] Preferably, the top of the slider is provided with a connecting block adapted to the slide groove, and the slider is fixedly connected to the lever block through the connecting block.

[0011] 1. The beneficial effects of this utility model are: By pressing the protective plate, the first locking block enters the inner cavity of the fixing frame, causing the second locking block to squeeze the first locking block. At this time, the first locking block will drive the slider to move in opposite directions, causing the spring to contract. When the protective plate is attached to the top of the terminal block body, the spring will extend, pushing the first locking block to move away from the second locking block and engage with it. This achieves the goal of fixing the symmetrical terminal block protective cover through the locking structure, avoiding the need for users to use screws to install the terminal block protective cover, and ensuring the installation efficiency of the terminal block protective cover.

[0012] 2. With the setting of the limiting plate and the limiting groove, the user can determine the position of the protection plate when installing it, so as to avoid the protection plate from shifting during installation. At the same time, the limiting plate and the limiting groove will limit the protection plate to prevent it from shifting at the top of the terminal block body, thus ensuring the stability of the protection plate at the top of the terminal block body. Attached Figure Description

[0013] in:

[0014] Figure 1 This is a perspective view of one embodiment of the present utility model;

[0015] Figure 2 This is a three-dimensional disassembled schematic diagram of one embodiment of the present utility model;

[0016] Figure 3 This is a right-side cross-sectional view of one embodiment of the present invention;

[0017] Figure 4 This is one embodiment of the present utility model. Figure 2 A magnified view of point A in the middle.

[0018] The attached diagram lists the components represented by each number as follows:

[0019] 1. Terminal block body; 2. Protective plate; 3. Protective baffle; 4. Fixing block; 5. Sliding block; 6. Locking block one; 7. Slide groove; 8. Toggle block; 9. Slide rod; 10. Spring; 11. Fixing frame; 12. Locking block two; 13. Limiting plate; 14. Limiting groove. Detailed Implementation

[0020] In the following description, embodiments of the protective shield for the terminal block of this invention will be described with reference to the accompanying drawings.

[0021] Example 1:

[0022] Figure 1-4 This invention illustrates a protective shield for terminal blocks according to an embodiment of the present invention. It includes a protective plate 2 disposed on the top of a terminal block body 1. Two symmetrical limiting plates 13 are fixedly connected to the bottom of the protective plate 2. Two symmetrical limiting grooves 14 are formed on the back of the terminal block body 1. The limiting plates 13 and limiting grooves 14 are adapted to each other. Through the setting of the limiting plates 13 and limiting grooves 14, the user can determine the position of the protective plate 2 during installation, preventing the protective plate 2 from shifting during installation. Simultaneously, the limiting plates 13 and limiting grooves 14 limit the protective plate 2, preventing it from shifting at the top of the terminal block body 1, thus ensuring the stability of the protective plate 2 at the top of the terminal block body 1. A protective baffle 3 is fixedly connected to the bottom of the protective plate 2. A row of openings is formed on the front of the protective baffle 3, and the openings on the front of the protective baffle 3 correspond to the openings on the front of the terminal block body 1. The fixing block 4 is located directly above the fixing frame 11. The bottom of the fixing block 4 is a rectangular frame. The fixing blocks 4 are fixedly connected to both sides of the protective plate 2. The inner cavity of the fixing block 4 is slidably connected to the slider 5. The bottom of the slider 5 extends to the outside of the fixing block 4 and is fixedly connected to the first locking block 6. The bottom of the first locking block 6 and the top of the second locking block 12 are both inclined surfaces. The bottom of the first locking block 6 and the top of the second locking block 12 are adapted to each other. The top of the fixing block 4 has two pairs of symmetrical sliding grooves 7. The top of the slider 5 passes through the sliding grooves 7 and is fixedly connected to the lever 8. The inner cavity of the fixing block 4 is fixedly connected to two symmetrical sliding rods 9. The sliding rods 9 pass through the slider 5 and are slidably connected to the slider 5. The surface of the sliding rods 9 is fitted with springs 10. The two ends of the springs 10 are fixedly connected to the opposite side of the two first locking blocks 6. The top of the terminal block body 1 is fixedly connected to two symmetrical fixing frames 11. The front and back of the inner cavity of the fixing frame 11 are fixedly connected to the second locking block 12. The first locking block 6 and the second locking block 12 are engaged.

[0023] Example 2:

[0024] Figure 1-4This invention illustrates a protective shield for terminal blocks according to an embodiment of the present invention. It includes a protective plate 2 disposed on the top of a terminal block body 1. A protective baffle 3 is fixedly connected to the bottom of the protective plate 2. Fixing blocks 4 are fixedly connected to both sides of the protective plate 2. A slider 5 is slidably connected to the inner cavity of the fixing block 4. A connecting block adapted to a sliding groove 7 is provided on the top of the slider 5. The slider 5 is fixedly connected to a lever 8 via the connecting block. The bottom of the slider 5 extends to the outside of the fixing block 4 and is fixedly connected to a locking block 6. Two pairs of symmetrical sliding grooves 7 are provided on the top of the fixing block 4, through which the top of the slider 5 passes. The slot 7 is fixedly connected to the lever 8. The two levers 8 are provided with anti-slip texture on the opposite sides. The top of the locking block 6 is attached to the bottom of the fixing block 4. The inner cavity of the fixing block 4 is fixedly connected to two symmetrical sliding rods 9. The sliding rods 9 pass through the slider 5 and are slidably connected to the slider 5. The surface of the sliding rods 9 is fitted with springs 10. The two ends of the springs 10 are fixedly connected to the opposite sides of the two locking blocks 6. The top of the terminal block body 1 is fixedly connected to two symmetrical fixing frames 11. The front and back of the inner cavity of the fixing frame 11 are fixedly connected to the locking blocks 12. The locking blocks 16 and the locking blocks 12 are engaged.

[0025] Working principle: When using this utility model, the user places the protective plate 2 on top of the terminal block body 1 and presses the protective plate 2, causing the locking block 6 to enter the inner cavity of the fixing frame 11. At this time, the locking block 12 will squeeze the locking block 6, causing the two locking blocks 6 to move in opposite directions. This causes the two locking blocks 6 to drive the two sliders 5 to move in opposite directions. At this time, the sliders 5 will squeeze the spring 10, causing the spring 10 to contract. When the protective plate 2 is attached to the top of the terminal block body 1, the spring 10 will extend, pushing the sliders 5 away from each other, causing the locking block 6 to move away from each other and engage with the locking block 12, thus fixing the protective plate 2. This avoids the need for the user to use screws to install the terminal block protective cover, ensuring the efficiency of the terminal block protective cover installation.

[0026] In summary: This terminal block protective shield works by pressing the protective plate 2, causing the locking block 6 to enter the inner cavity of the fixing frame 11. This causes the locking block 12 to press against the locking block 6. At this time, the locking block 6 will drive the slider 5 to move in opposite directions, causing the spring 10 to contract. When the protective plate 2 is attached to the top of the terminal block body 1, the spring 10 will extend, pushing the locking block 6 away from the locking block 12 and engaging it. This achieves the goal of fixing the terminal block protective shield with a symmetrical locking structure, avoiding the need for users to use screws to install the terminal block protective shield, and ensuring the installation efficiency of the terminal block protective shield.

Claims

1. A protective shield for a wiring terminal, characterized by, It includes the protection plate (2) arranged at the top of the terminal block body (1): the bottom of the protection plate (2) is fixedly connected with the protection baffle (3), both sides of the protection plate (2) are fixedly connected with the fixed block (4), the inner cavity of the fixed block (4) is slidably connected with the sliding block (5), the bottom of the sliding block (5) extends to the outside of the fixed block (4) and is fixedly connected with the clamping block (6), the top of the fixed block (4) is provided with two pairs of symmetrical sliding grooves (7), the top of the sliding block (5) passes through the sliding groove (7) and is fixedly connected with the clamping block (8), the inner cavity of the fixed block (4) is fixedly connected with two symmetrical sliding rods (9), the sliding rod (9) penetrates through the sliding block (5) and is slidably connected with the sliding block (5), the surface of the sliding rod (9) is sleeved with the spring (10), the two ends of the spring (10) are fixedly connected with the sides opposite to the two clamping blocks (6), the top of the terminal block body (1) is fixedly connected with two symmetrical fixed frames (11), the front and back surfaces of the inner cavity of the fixed frame (11) are fixedly connected with the clamping block (12), and the clamping block (6) is clamped with the clamping block (12).

2. The protective shield for a wiring terminal according to claim 1, characterized by The bottom of the protection plate (2) is fixedly connected with two symmetrical limiting plates (13), and the back surface of the terminal block body (1) is provided with two symmetrical limiting grooves (14), the limiting plate (13) is matched with the limiting groove (14).

3. A protective shield for a wiring terminal according to claim 2, wherein The front surface of the protection baffle (3) is provided with a row of opening one, the opening one of the front surface of the protection baffle (3) is matched with the opening two of the front surface of the terminal block body (1), the fixed block (4) is located directly above the fixed frame (11), and the bottom of the fixed block (4) is a rectangular frame.

4. The protective shield for a wiring terminal according to claim 3, characterized by The bottom of the clamping block (6) and the top of the clamping block (12) are both inclined surfaces, and the bottom of the clamping block (6) is matched with the top of the clamping block (12).

5. A protective shield for a wiring terminal according to claim 4, wherein The opposite sides of the two clamping blocks (8) are provided with anti-skid lines, and the top of the clamping block (6) is attached to the bottom of the fixed block (4).

6. A protective shield for a wiring terminal according to claim 5, wherein The top of the sliding block (5) is provided with a connecting block matched with the sliding groove (7), and the sliding block (5) is fixedly connected with the clamping block (8) through the connecting block.