Wire distribution box protection cover
By installing a sliding trigger rod on the protective cover of the electrical distribution box, a safe closing mechanism is achieved using the lever principle, which solves the safety hazards caused by electric sparks in the low-voltage system and improves user safety and operating experience.
Patent Information
- Application Number
- CN202423134357.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-18
AI Technical Summary
In low-voltage systems, the closing operation in existing technologies is prone to generating electric sparks, and ordinary household users lack electrical knowledge, posing a safety hazard.
Design a protective cover for an electrical distribution box. By installing a sliding trigger rod on the protective cover, the overvoltage switch inside can be closed through the protective cover using the lever principle, avoiding direct contact with human hands. The trigger rod and insulating rod are made of plastic steel.
It enables safe power-on operation without compromising aesthetics, avoids the generation of electrical sparks, and improves safety and user experience.
Smart Images
Figure CN223638244U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to weak current box technical field, concretely is a wire distribution box protection cover. BACKGROUND
[0002] Electric spark is the phenomenon that the current between electrodes in the circuit breaks through the air in an instant. When the switch is opened or closed, there is a gap between the contacts, and the voltage reaches a certain breakdown voltage, which will cause a short-lived spark between the contacts. The size of this spark is related to the voltage and current size of the circuit. In the weak current system, although the voltage and current are relatively small, in some cases, such as poor contact of the contacts, the presence of metal dust or foreign matter, etc., electric spark may still occur. The weak current system has relatively small voltage and current compared with the strong current system, so the possibility and harm of electric spark are relatively small. However, even so, after the existing weak current box electric appliance overvoltage, short circuit fault tripping, it still adopts manual operation to close the switch, which may cause electric spark when closing. Generally, the family members do not have the knowledge of electrician, and they are easy to panic when electric spark occurs. Therefore, it is necessary to avoid directly using hands to close the switch, so we propose a wire distribution box protection cover. SUMMARY
[0003] The utility model discloses a wire distribution box protection cover, which solves the problem proposed in the background art.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wire distribution box protection cover, comprising a distribution box, an overvoltage switch and a protection cover, a through hole is formed in the middle of the protection cover, a sliding groove is formed in the top and bottom of the inner wall of the through hole, a U-shaped frame is embedded and slidingly installed in the inner part of the through hole, a trigger rod is hingedly installed in the inner part of the U-shaped frame through a shaft pin, an insulating rod for operating the overvoltage switch is arranged at one end of the trigger rod, an outer rod is hingedly arranged at the other end of the trigger rod, and a resisting block is rotatably arranged at the bottom of the outer rod through a rotating shaft.
[0005] Further, the opening of the U-shaped frame faces downward, a sliding block A is fixedly arranged at the bottom of the U-shaped frame, and a sliding block B is fixedly arranged at the top of the U-shaped frame.
[0006] Further, the sliding block A and the sliding block B are vertically aligned, and the sliding block A and the sliding block B are respectively clamped in the sliding grooves at the bottom and the top of the inner wall of the through hole.
[0007] Further, when the resisting block is rotated to be parallel to the outer rod, one end of the resisting block is in contact with the bottom of the trigger rod.
[0008] Further, the width of the narrow side of the resisting block is consistent with the width of the narrow side of the outer rod.
[0009] Further, the sliding groove is horizontally aligned with the overvoltage switch, and the trigger rod is made of plastic steel.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] The technical solution of this application uses a sliding trigger rod on the surface of the protective cover to close any overvoltage switch inside the distribution box through the lever principle, avoiding the risk of electric spark injury when closing the switch manually. When not in use, the outer rod can be rotated and folded to prevent accidental activation due to excessive extension and to avoid affecting the aesthetics. Attached Figure Description
[0012] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0013] Figure 1 This is a perspective view of a protective cover for an electrical distribution box according to the present invention.
[0014] Figure 2 This is a schematic diagram of the installation structure of the U-shaped bracket and the trigger rod;
[0015] Figure 3 This is a bottom view of the outer rod and the trigger rod;
[0016] Figure 4 This is a schematic diagram of the internal structure of the distribution box.
[0017] In the diagram: 1. Protective cover; 2. U-shaped frame; 201. Shaft pin; 202. Slider A; 203. Slider B; 3. Through hole; 301. Slide groove; 4. Trigger rod; 5. Outer rod; 6. Insulating rod; 7. Abutment; 8. Overvoltage switch; 9. Distribution box. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] Example 1, such as Figures 1-4 As shown, this utility model provides a technical solution: a protective cover for an electrical distribution box, including a distribution box 9, an overvoltage switch 8 and a protective cover 1. The protective cover 1 has a through hole 3 in the middle. The top and bottom of the inner wall of the through hole 3 are provided with sliding grooves 301. A U-shaped frame 2 is slidably installed inside the through hole 3. A trigger rod 4 is hinged inside the U-shaped frame 2 through a shaft pin 201. One end of the trigger rod 4 is provided with an insulating rod 6 for toggling the overvoltage switch 8. The other end of the trigger rod 4 is hinged with an outer rod 5. A stop block 7 is rotatably provided at the bottom of the outer rod 5 through a rotating shaft.
[0020] In one specific embodiment of the utility model, the trigger lever 4 is made of plastic steel, has high overall strength, the insulating rod 6 is hollow, the insulating rod 6 is assembled with the trigger lever 4, the sliding block of the bottom and top of the U-shaped frame 2 is embedded with the sliding slot 301 and is in sliding fit, so that the U-shaped frame 2 can slide horizontally in the through hole 3 to adjust the position, the outer rod 5 can rotate with one end of the trigger lever 4, when the abutting block 7 rotates to be parallel with the outer rod 5, at this time, one end of the abutting block 7 is in contact with one end of the trigger lever 4, at this time, the outer rod 5 can be pressed vertically, so that the trigger lever 4 is in lever motion, at this time, the insulating rod 6 is in contact with the handle of the overvoltage switch 8 to be closed, after the trigger lever 4 is in lever motion, the handle of the overvoltage switch 8 can be closed, the risk of electric spark injury when the hand is directly closed is avoided, the outer rod 5 can be rotated and folded when not used, only needs to rotate the abutting block 7 to be perpendicular to the outer rod 5 (as shown in Figure 3 ), so that the outer rod 5 does not stretch too long and is not mis touched and the appearance is not affected.
[0021] In the preferred technical scheme, the opening of the U-shaped frame 2 faces downward, the bottom of the U-shaped frame 2 is fixedly provided with a sliding block A202, the top of the U-shaped frame 2 is fixedly provided with a sliding block B203, the sliding block A202 is vertically aligned with the sliding block B203, the sliding block A202 and the sliding block B203 are respectively clamped in the sliding slot 301 of the bottom and top of the inner wall of the through hole 3, so that the U-shaped frame 2 can slide horizontally in the through hole 3 to adjust the position, and the trigger lever 4 can close any overvoltage switch 8 in the distribution box 9 through the protection cover 1 by the lever principle.
[0022] In the preferred technical scheme, when the abutting block 7 rotates to be parallel with the outer rod 5, one end of the abutting block 7 is in contact with the bottom of the trigger lever 4, the sliding slot 301 is horizontally aligned with the overvoltage switch 8, so that the trigger lever 4 can easily rotate the handle of the overvoltage switch 8 to close.
[0023] In the preferred technical scheme, the width of the narrow side of the abutting block 7 is consistent with the width of the narrow side of the outer rod 5, so that the width of the abutting block 7 is ensured, when the abutting block 7 rotates to be parallel with the outer rod 5, one end of the abutting block 7 is in contact with one end of the trigger lever 4, at this time, the outer rod 5 can be pressed vertically, so that the trigger lever 4 is in lever motion.
[0024] In the preferred technical scheme, the trigger lever 4 is made of plastic steel, the plastic steel ensures the strength of the trigger lever 4 as a whole, and high-strength materials are required for closing.
[0025] Working principle: the trigger lever 4 is arranged on the surface of the protection cover 1 and can slide, any overvoltage switch 8 in the distribution box 9 is closed through the protection cover 1 by the lever principle, the outer rod 5 can be rotated and folded when not used, the protection cover not only protects the overvoltage switch in the distribution box 9, but also can be closed when the protection cover is not opened, so that the risk of electric spark injury when the hand is closed is avoided, and the safety is improved.
Claims
1. An electrical wire distribution box protective cover comprising a distribution box (9), an overvoltage switch (8) and a protective cover (1), characterized in that: The protection cover (1) is provided with a through hole (3) in the middle, the inner wall of the through hole (3) is provided with a sliding groove (301) at the top and the bottom, the U-shaped frame (2) is inlaid and slidingly installed in the through hole (3), the trigger rod (4) is hingedly installed in the U-shaped frame (2) through an axle pin (201), the trigger rod (4) is provided with an insulating rod (6) at one end for actuating the overvoltage switch (8), the other end of the trigger rod (4) is hingedly provided with an outer rod (5), and the bottom of the outer rod (5) is rotatably provided with a resisting block (7) through a rotating shaft.
2. A protective cover for an electrical junction box according to claim 1, wherein: The opening of the U-shaped frame (2) faces downward, the U-shaped frame (2) is fixedly provided with a sliding block A (202) at the bottom, and the U-shaped frame (2) is fixedly provided with a sliding block B (203) at the top.
3. A protective cover for an electrical junction box according to claim 2, wherein: The sliding block A (202) and the sliding block B (203) are vertically aligned, and the sliding block A (202) and the sliding block B (203) are respectively clamped in the sliding grooves (301) at the bottom and the top of the inner wall of the through hole (3).
4. The protective cover for an electrical junction box of claim 1, wherein: When the resisting block (7) is rotated to be parallel to the outer rod (5), one end of the resisting block (7) is in contact with the bottom of the trigger rod (4).
5. A protective cover for an electrical junction box according to claim 4, wherein: The narrow edge width of the resisting block (7) is consistent with the narrow edge width of the outer rod (5).
6. A protective cover for an electrical junction box according to claim 1, wherein: The sliding groove (301) is horizontally aligned with the overvoltage switch (8), and the trigger rod (4) is made of plastic steel.