Socket protection structure with reliable structure
By introducing a combination of limit post, ramp, and reset spring into the socket protection door, the problem of the socket protection door easily getting stuck is solved, resulting in a more reliable socket protection structure.
Patent Information
- Application Number
- CN202520110626.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-17
AI Technical Summary
Existing socket safety doors are prone to swinging too far and getting stuck, causing inconvenience in use.
Design a structure including a protective door mounting base, a protective door, a live wire hole, a neutral wire hole, a ground wire hole, a return spring, and a limit post. This reliable socket protection structure limits the swing amplitude of the protective door through a combination of ramps, spring mounting slots, and movable slots, ensuring stable installation.
The structural reliability of the socket protection door has been improved, preventing the protection door from coming out of position when swinging significantly, thus ensuring normal use.
Smart Images

Figure CN223771399U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a socket protection structure for preventing electric shock caused by accidental plug insertion. Background Technology
[0002] Utility model patent CN206022716U discloses a protective door to prevent single-pole insertion. The two-pole protective door mounting base has a left-side slot and a right-side slot at its bottom left end. A mounting buckle that engages with a panel is located on the left side of the base. The three-pole protective door has a three-pole live wire insertion port and a three-pole neutral wire insertion port at its left and right ends, respectively. Each insertion port has a ramp, with the right side higher than the left. A spring-loaded left mounting post is located on the left side of the rear of the three-pole protective door, and a support post is located in the center of the bottom surface. When a single pole is inserted, the protective door rotates along the support post, tilting at an angle to prevent pushing.
[0003] Generally speaking, this design is sufficient, but this type of safety door is actually very easy to swing, and if the swing angle is too large, it will get stuck in the socket. Utility Model Content
[0004] To overcome the shortcomings of current socket protection structures that are prone to jamming, this utility model provides a socket protection structure with reliable structure.
[0005] The technical solution of this utility model to solve its technical problem is as follows: a reliable socket protection structure, including a protective door mounting base, a mounting groove provided in front of the protective door mounting base, a protective door movably mounted in the mounting groove, a live wire hole, a neutral wire hole, and a ground wire hole provided on the protective door mounting base, wherein the live wire hole and the neutral wire hole are located in the mounting groove; the protective door has a first slope corresponding to the live wire hole, and a second slope corresponding to the neutral wire hole; a spring mounting groove is provided in the middle of the protective door, the first slope rests against one side of the spring mounting groove, a spring fixing head is provided on the other side of the spring mounting groove, a limiting part is provided in the mounting groove, a return spring is provided between the protective door and the limiting part, the return spring is located in the spring mounting groove and one end is fixed to the spring fixing head, and the other end abuts against the limiting part; the upper and lower sides of the groove wall of the mounting groove are provided with movable grooves, and each of the upper and lower sides of the protective door is provided with a limiting post, the limiting post is inserted into the two movable grooves and can move left and right in the grooves.
[0006] To facilitate the sliding of the protective door into the installation position, the wall of the installation groove is provided with an oblique notch on the front side of the movable groove.
[0007] Furthermore, one side of the limiting post is provided with an angled portion to facilitate sliding installation.
[0008] To facilitate the rotation of the protective door, the protective door is thick in the middle and narrow at both ends, forming a seesaw structure so that the protective door can swing left and right.
[0009] To prevent the protective door from deflecting when it moves to the right, the protective door is provided with an alignment protrusion on the side near the first slope, and the rightmost part of the alignment protrusion is flush with the rightmost part of the protective door.
[0010] To ensure stable installation of the reset spring, a spring end groove is recessed on the limiting part, and the other end of the reset spring abuts against the spring end groove.
[0011] When installing and using this utility model, the protective door is pressed into the mounting groove from above. Guided by the oblique angle, the limiting posts at both ends are inserted into the movable groove from the oblique notch, thus facilitating a tight fit into the movable groove. When the protective door moves, the limiting posts are fixed by the movable groove, preventing the protective door from swinging out of position.
[0012] The beneficial effects of this utility model are as follows: 1. During actual use, when the swing amplitude of the protective door is too large, the limiting post provides position restriction, preventing it from falling out of position and causing the protective door to jam, thus improving structural reliability. 2. An oblique notch is provided above the movable groove, and an oblique part is provided on one side of the limiting post, allowing the protective door to be easily inserted during installation. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of one embodiment of the present invention.
[0014] Figure 2 This is a schematic diagram of a unipolar insertion according to an embodiment of the present invention.
[0015] Figure 3 This is a schematic diagram of normal insertion in one embodiment of the present invention.
[0016] Figure 4 This is a schematic diagram of a protective door in one embodiment.
[0017] Figure 5 This is an exploded view of one embodiment. Detailed Implementation
[0018] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0019] Example 1
[0020] Combined with appendix Figures 1 to 5A reliable socket protection structure includes a protective door mounting base 1. A mounting groove 2 is provided at the front of the protective door mounting base 1, and a protective door 3 is movably mounted in the mounting groove 2. The protective door mounting base 1 has a live wire hole 4, a neutral wire hole 5, and a ground wire hole 6, wherein the live wire hole 4 and the neutral wire hole 5 are located in the mounting groove 2. The protective door 3 has a first ramp 7 corresponding to the live wire hole 4 and a second ramp 8 corresponding to the neutral wire hole 5. A spring mounting groove 18 is provided in the middle of the protective door 3, and the first ramp 7 rests against the spring mounting groove 1. On one side of the spring mounting groove 18, a spring fixing head 9 is provided on the other side. A limiting part 10 is provided in the mounting groove 2. A return spring 11 is provided between the protective door 3 and the limiting part 10. The return spring 11 is located in the spring mounting groove 18 and one end is fixed on the spring fixing head 9, and the other end abuts against the limiting part 10. Movable grooves 12 are provided on the upper and lower sides of the groove wall of the mounting groove 2. A limiting post 13 is provided on each of the upper and lower sides of the protective door 3. The limiting post 13 is inserted into the two movable grooves 12 and can move left and right in the groove.
[0021] To facilitate the sliding of the protective door 3 into the installation position, the groove wall of the installation groove 2 is provided with an oblique notch 14 on the front side of the movable groove 12.
[0022] Furthermore, one side of the limiting post 13 is provided with an angled portion 15 to facilitate sliding installation.
[0023] To facilitate the rotation of the protective door 3, the protective door 3 is thick in the middle and narrow at both ends, forming a seesaw structure so that the protective door 3 can swing left and right.
[0024] To prevent the protective door 3 from deflecting when it moves to the right, the protective door 3 is also provided with an alignment protrusion 16 on the side near the first slope 7, and the rightmost part of the alignment protrusion 16 is flush with the rightmost part of the protective door 3.
[0025] To ensure the stable installation of the reset spring 11, a spring end groove 17 is recessed on the limiting part 10, and the other end of the reset spring 11 abuts against the spring end groove 17.
[0026] In this embodiment, during installation and use, the protective door 3 is pressed into the mounting groove 2 from above. Guided by the oblique part 15, the limiting posts 13 at both ends are inserted into the movable groove 12 from the oblique notch 14, thus facilitating a tight fit into the movable groove 12. When the protective door 3 moves, the limiting posts 13 are fixed by the movable groove 12, so the swing of the protective door 3 will not dislodge it.
[0027] The beneficial effects of this embodiment are as follows: 1. During actual use, when the swing amplitude of the protective door is too large, the limiting post provides position limitation, preventing it from falling out of position and causing the protective door to jam, thus improving structural reliability. 2. An oblique notch is provided above the movable groove, and an oblique part is provided on one side of the limiting post, allowing the protective door to be easily inserted during installation.
Claims
1. A socket protection structure with reliable structure, comprising a protection door mounting seat, a mounting groove is arranged in front of the protection door mounting seat, a protection door is movably arranged in the mounting groove, a live wire hole, a zero wire hole and a ground wire hole are arranged on the protection door mounting seat, wherein the live wire hole and the zero wire hole are located in the mounting groove; a first slope is arranged on the protection door corresponding to the live wire hole, and a second slope is arranged on the protection door corresponding to the zero wire hole; characterized in that: The middle part of the protection door is provided with a spring mounting slot, the first slope leans on one side of the spring mounting slot, the other side of the spring mounting slot is provided with a spring fixing head, the mounting slot is provided with a limiting part, a return spring is arranged between the protection door and the limiting part, the return spring is located in the spring mounting slot and one end of the return spring is fixed on the spring fixing head, the other end of the return spring abuts against the limiting part; the upper and lower sides of the slot wall of the mounting slot are provided with movable slots, the upper and lower sides of the protection door are each provided with a limiting column, the limiting column is inserted into the two movable slots and can move left and right in the slots. 2. The structurally sound receptacle protection structure of claim 1, wherein: The slot wall of the mounting slot is provided with an inclined notch in front of the movable slot.
3. The structurally sound receptacle protection structure of claim 1, wherein: One side of the limiting column is provided with an inclined angle part for facilitating sliding installation.
4. The structurally sound receptacle protection structure of claim 1, wherein: The middle part of the protection door is thick and the two ends are narrow, forming a seesaw structure so that the protection door can swing left and right.
5. The structurally sound receptacle protection structure of claim 1, wherein: The side of the protection door close to the first slope is also provided with a alignment protrusion.
6. The structurally sound receptacle protection structure of claim 1, wherein: The limiting part is concavely provided with a spring end slot, and the other end of the return spring abuts against the spring end slot.
Citation Information
Patent Citations
Prevent little five -hole socket shutter of monopole male
CN206022716U