Socket with safety door
By designing a socket with a safety door and using a spring-controlled and supported convex ridge sliding groove structure, the problem of existing sockets failing to prevent children from accidentally inserting them has been solved, thus improving both safety and convenience.
Patent Information
- Application Number
- CN202520024740.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing socket safety shutters are ineffective in preventing children from accidentally inserting conductive objects, especially since universal sockets have large holes, which can easily lead to electric shock accidents.
A socket with a safety door was designed, featuring a through-hole structure with L-port, N-port, and grounding port. The opening and closing of the safety door is controlled by a spring. Combined with the design of a supporting ridge and sliding groove, the safety door ensures that it covers the socket when not in use and prevents the safety door from opening when only the L-port or N-port is inserted. The plug is only allowed to be inserted when both ports are inserted simultaneously.
It effectively prevents children from accidentally inserting the socket, reduces the risk of electric shock, ensures the safety and durability of the socket, and at the same time reduces production costs and improves ease of use.
Smart Images

Figure CN223797589U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of electrical connector technology, and in particular to a socket with a safety door. Background Technology
[0002] A power outlet, also known as a power socket or switch socket, is a common electrical connection device. Power is supplied to a device by inserting its plug into the socket's outlet.
[0003] Chinese Patent Publication No. CN106654657A discloses a socket safety door structure and a socket. The socket includes a base, a top cover, several conductive units, and a socket safety door structure. The top cover is disposed on the base and adapted to it. The several conductive units and the socket safety door structure are disposed in the cavity formed by the base and the top cover. The socket safety door structure is disposed on the several conductive units and adapted to the through holes on the top cover. The socket safety door structure includes a pressure plate and a protective plate disposed on the pressure plate. The protective plate and the pressure plate are slidably engaged by line contact.
[0004] This structure is easy to use, and the safety door is easy to open when the plug is inserted, which has the advantage of saving effort. However, it cannot prevent single-pole insertion. Especially for universal sockets, the socket holes are large, and children can more easily insert conductive foreign objects such as metal into any live socket hole, causing the safety door to open and easily causing electric shock accidents. Utility Model Content
[0005] To prevent children from getting electric shocks, this application provides a socket with a safety door.
[0006] The socket with a safety door provided in this application adopts the following technical solution:
[0007] A socket with a safety door includes a faceplate, a mounting base, and a fixed bracket disposed inside the mounting base. The faceplate has a through hole for inserting a plug, the through hole including an L port, an N port, and a grounding port. A safety door is disposed between the faceplate and the fixed bracket. A supporting ridge is connected to the middle of the fixed bracket. A fixed frame for placing the safety door is disposed on the inner side of the faceplate. A spring is disposed between the fixed frame and the safety door. The safety door includes a connecting block, a stop door fixedly connected to both sides of the connecting block, and a fixed post fixedly connected to one side of the stop door and sleeved with the spring. The stop door is directly opposite the L port and the N port. A limit block is disposed on the side of the stop door near the L port and the N port. The limit block is used to abut against the inner wall of the L port or the N port. The connecting block has a sliding groove for inserting and sliding the supporting ridge. The connecting block can swing around the supporting ridge.
[0008] By adopting the above technical solution, when the socket is not in use, the spring applies a downward force to the stop gate, ensuring that the safety gate completely covers the L and N ports, preventing children from inserting their fingers or other conductive objects into the socket, thus avoiding electric shock accidents and ensuring safety. It also prevents dust and foreign objects from entering the socket, ensuring the normal operation and durability of electrical equipment. When only the N or L port is inserted, the connecting block swings around the supporting ridge, at which point the limiting block abuts against the inner wall of the L or N port, preventing the safety gate from opening and preventing single-pole insertion. When the socket needs to be used, simply insert the plug into the through hole; the stop gates on both sides of the connecting block are simultaneously forced, causing the safety gate to move upwards, allowing the plug to smoothly connect to the socket.
[0009] Optionally, the width of the opening end of the sliding groove is greater than the width of the supporting ridge, the depth of the sliding groove is less than the height of the supporting ridge, and the sliding groove forms a swing gap with both sides of the supporting ridge.
[0010] By adopting the above technical solution, the sliding groove and the supporting ridge will not fit completely. There is a certain gap between the two sides of the supporting ridge and the inner walls of the two sides of the sliding groove, which allows the safety door to swing around the supporting ridge.
[0011] Optionally, the end of the supporting ridge is fitted to the bottom wall of the sliding groove.
[0012] By adopting the above technical solution, the safety door can slide along the supporting ridge. At the same time, the supporting ridge can stably support the connecting block, preventing the safety door from falling off and ensuring the stability and reliability of the connection. The bottom wall of the sliding groove and the end of the supporting ridge are in close contact, with a small contact area, which effectively reduces friction and facilitates swinging and sliding.
[0013] Optionally, the door is provided with an inclined surface on the side near the cover, and the inclined surface forms an angle of 30-40 degrees with the cover.
[0014] By adopting the above technical solution, when the plug is inserted into the through hole, the bevel can effectively guide the plug to be inserted and can easily move the safety door upward, which is more conducive to user operation and avoids the plug getting stuck when inserted.
[0015] Optionally, an abutment block is provided on the inner side of the cover. When the limiting block abuts against the inner wall of the N port or L port, the abutment block will abut against the side of the stop door near the grounding port.
[0016] By adopting the above technical solution, when one of the holes in the L or N port is inserted, one side of the safety door is lifted, and the abutment block can also abut against the door, thereby ensuring that the safety door will not open and enhancing the safety of the product.
[0017] Optionally, the thickness of the barrier gradually decreases from the side closer to the connecting block to the side away from the connecting block.
[0018] By adopting the above technical solution, when only one of the L and N ports is inserted, the limiting block can smoothly abut against the inner wall of the through hole. It will not be caused by the block being too thick and pressing against the inner wall of the cover, thus ensuring that the limiting block can play its limiting role.
[0019] Optionally, the stop gate has multiple grooves on the side opposite to the through hole.
[0020] By adopting the above technical solution, creating multiple grooves reduces the weight of the safety door, making it lighter and easier for users to plug and unplug devices; it also reduces material usage during production, thereby lowering production costs.
[0021] Optionally, the connecting block has a clearance groove on the side near the grounding port.
[0022] By adopting the above technical solution, the grounding plug will not come into contact with the safety door when the socket is in normal use, thus ensuring the safety of electricity use.
[0023] In summary, this application has the following beneficial effects:
[0024] 1. When the socket is not in use, the safety door can completely cover the L and N ports to prevent children from inserting their fingers or other conductive objects into the socket, thereby avoiding electric shock accidents and ensuring safety.
[0025] 2. When one of the through holes in port L and port N is inserted, the safety door will swing around the supporting ridge, and one side of the safety door will be lifted. At this time, the limiting block on the inclined surface will abut against the inner wall of the through hole, preventing the safety door from moving further, thereby preventing the risk of electric shock caused by single-pole insertion and improving safety during use. Attached Figure Description
[0026] Figure 1 This is a front view of a socket with a safety door according to an embodiment of this application;
[0027] Figure 2 This is an exploded view of a socket with a safety door according to an embodiment of this application;
[0028] Figure 3 This is a schematic diagram of the structure of the inner side of the faceplate, the spring, and the safety door according to an embodiment of this application;
[0029] Figure 4 This is a schematic diagram of the structure of the security door according to an embodiment of this application;
[0030] Figure 5 This is a top view of the security door according to an embodiment of this application;
[0031] Figure 6 This is a schematic diagram of the structure of the fixed bracket according to an embodiment of this application;
[0032] Figure 7 This is a cross-sectional view of the fixed bracket and safety door according to an embodiment of this application;
[0033] Figure 8 yes Figure 7 Enlarged view of point A in the middle;
[0034] Figure 9 This is a cross-sectional view of the cover and security door according to an embodiment of this application.
[0035] Explanation of reference numerals in the attached drawings: 1. Cover; 11. Through hole; 111. L-shaped opening; 112. N-shaped opening; 113. Grounding opening; 12. Fixing frame; 13. Abutment block; 2. Mounting base; 21. Fixing bracket; 211. Supporting ridge; 3. Safety door; 31. Connecting block; 32. Stop door; 321. Inclined surface; 322. Limiting block; 323. Groove; 33. Fixing post; 34. Sliding groove; 341. Swinging clearance; 35. Clearance groove; 4. Spring. Detailed Implementation
[0036] The following is in conjunction with the appendix Figure 1-9 This application will be described in further detail.
[0037] This application discloses a socket with a safety door. (See also...) Figure 1 , Figure 2 A socket with a safety door includes a socket body and a safety door 3. The socket body includes a faceplate 1, a mounting base 2, and a fixing bracket 21 disposed inside the mounting base 2. The mounting base 2 is used to fix the socket to the wall and connect it to a power cord, so that the socket can be powered. The faceplate 1 has a through hole 11 for inserting a plug, including an L port 111, an N port 112, and a grounding port 113. The safety door 3 is disposed on the inside of the faceplate 1, directly opposite the L port 111 and the N port 112. A spring 4 is sleeved on the upper side of the safety door 3. When the socket is not in use, the spring 4 will press down the safety door 3 to prevent children from inserting their fingers or other conductive objects into the socket, thereby avoiding electric shock accidents.
[0038] Reference Figure 3 The inner side of the cover 1 is provided with a fixed frame 12 for placing the safety door 3, ensuring that the safety door 3 moves within the correct range and preventing the safety door 3 from falling off, thereby ensuring the normal use of the socket.
[0039] Reference Figure 3 , Figure 4The safety door 3 includes a connecting block 31, two stop doors 32 fixedly connected to both sides of the connecting block 31, and two fixing posts 33 fixedly connected to the upper side of the stop doors 32. The two stop doors 32 are respectively directly opposite the L port 111 and the N port 112. A spring 4 is provided inside the fixing frame 12. One end of the spring 4 is fixedly connected to the inner wall of the fixing frame 12, and the other end is sleeved with the fixing post 33. Affected by the spring 4, the spring 4 can immediately rebound after each use of the socket, sealing the L port 111 and the N port 112 to prevent foreign objects and moisture from entering and to prevent children from accidentally touching it. In addition, the two fixing posts 33 are sleeved with two springs 4, so that the force on both sides of the safety door 3 is even, ensuring the stability of the safety door 3 in various usage environments.
[0040] Reference Figure 3 , Figure 4 The connecting block 31 has a clearance groove 35 on the side near the grounding port 113. When the socket is in normal use, the safety door 3 is raised, and the clearance groove 35 prevents the grounding plug from contacting the safety door 3, thus ensuring the safety of electricity use.
[0041] Reference Figure 3 , Figure 4 The door 32 has multiple grooves 323 on the side opposite to the inclined surface 321, which effectively reduces the weight of the safety door 3, making the safety door 3 lighter and easier for users to plug and unplug. The lightweight safety door 3 is more flexible, making the safety door 3 more sensitive to triggering. It can reduce the amount of material used during production, thereby reducing production costs.
[0042] Reference Figure 3 , Figure 4 The safety door 32 has a bevel 321 on the side near the cover 1, and the bevel 321 forms an angle of - degrees with the cover 1. When the plug is inserted into the through hole 11, the bevel 321 can effectively guide the plug into the hole, and the user can easily move the safety door 3 upward, which is more conducive to the user's operation and avoids the plug getting stuck when it is inserted.
[0043] Reference Figure 5 , Figure 6 and Figure 7 The fixed bracket 21 is connected to a supporting ridge 211 in the middle. The connecting block 31 has a sliding groove 34 on the side away from the cover 1 for the supporting ridge 211 to be inserted and slide, so that the safety door 3 can only slide up and down along the supporting ridge 211. At the same time, the supporting ridge 211 can stably support the connecting block 31, prevent the safety door 3 from falling out, and ensure the stability and reliability of the connection.
[0044] Reference Figure 8The width of the opening end of the sliding groove 34 is greater than the width of the supporting ridge 211, and the depth of the sliding groove 34 is less than the height of the supporting ridge 211. A swing gap 341 is formed between the two sides of the supporting ridge 211 and the inner walls of the two sides of the sliding groove 34, allowing the safety door 3 to swing around the supporting ridge 211. The end of the supporting ridge 211 is in contact with the bottom wall of the sliding groove 34, and its contact surface is small. When the plug is normally inserted into the L port 111 and N port 112, it can effectively reduce friction and facilitate opening the safety door 3.
[0045] Reference Figure 7 , Figure 9 A limiting block 322 is provided on the side of the inclined surface 321 near the fixed post 33, and an abutment block 13 is provided on the inner side of the cover 1. When only one of the holes, L port 111 and N port 112, is inserted, the safety door 3 swings around the supporting ridge 211, and one side of the safety door 3 will tilt up. At this time, the limiting block 322 on the upper side of the inclined surface 321 will abut against the inner wall of the through hole 11, preventing the safety door 3 from moving further, thereby reducing the risk of electric shock caused by single-pole insertion and improving safety during use.
[0046] Reference Figure 5 , Figure 7 The thickness of the stop 32 gradually decreases from the side near the connecting block 31 to the side away from the connecting block 31. When only one of the holes L111 and N112 is inserted, one side of the safety door 3 is lifted. The limiting block 322 on the inclined surface 321 will not be unable to abut against the inner wall of the cover 1 due to the excessive thickness of the stop 32, thus ensuring that the limiting block 322 can play a limiting role.
[0047] The implementation principle of a socket with a safety door in this application embodiment is as follows: When the socket is not in use, the spring 4 is pressed down, and the safety door 3 blocks the L port 111 and N port 112 to prevent children from inserting their fingers or other conductive objects into the socket, thereby avoiding electric shock accidents. When only one of the L port 111 or N port 112 is inserted, the safety door 3 swings around the supporting ridge 211, causing the abutment block 13 to abut against one side of the stop door 32, and the limiting block 322 to abut against the inner wall of the L port 111 or N port 112. The safety door 3 cannot be lifted upward, thereby preventing the risk of electric shock caused by single-pole insertion. Only when both the L port 111 and N port 112 are inserted simultaneously can the safety door 3 be lifted upward, at which time the plug can normally connect with the socket, allowing the current to flow normally.
[0048] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A socket with a safety door, the socket comprising a faceplate (1), a mounting base (2), and a fixing bracket (21) disposed inside the mounting base (2), the faceplate (1) having a through hole (11) for inserting a plug, the through hole (11) comprising an L port (111), an N port (112), and a grounding port (113), characterized in that: A safety door (3) is provided between the cover (1) and the fixed bracket (21). A supporting ridge (211) is connected to the middle of the fixed bracket (21). A fixed frame (12) for placing the safety door (3) is provided on the inner side of the cover (1). A spring (4) is provided between the fixed frame (12) and the safety door (3). The safety door (3) includes a connecting block (31), a stop door (32) fixedly connected to both sides of the connecting block (31), and a spring (4) fixedly connected to one side of the stop door (32). The fixed column (33) is connected, and the gate (32) is directly opposite the L port (111) and the N port (112). The gate (32) is provided with a limiting block (322) on the side near the L port (111) and the N port (112). The limiting block (322) is used to abut against the inner wall of the L port (111) or the N port (112). The connecting block (31) is provided with a sliding groove (34) for the insertion and sliding of the supporting ridge (211). The connecting block (31) can swing around the supporting ridge (211).
2. The socket with a safety door according to claim 1, characterized in that: The width of the opening end of the sliding groove (34) is greater than the width of the supporting ridge (211), the depth of the sliding groove (34) is less than the height of the supporting ridge (211), and the sliding groove (34) forms a swing gap (341) with the two sides of the supporting ridge (211).
3. The socket with a safety door according to claim 2, characterized in that: The end of the supporting ridge (211) is in contact with the bottom wall of the sliding groove (34).
4. The socket with a safety door according to claim 1, characterized in that: The door (32) has a slope (321) on the side near the cover (1), and the slope (321) forms an angle of 30-40 degrees with the cover (1).
5. The socket with a safety door according to claim 4, characterized in that: The inner side of the cover (1) is provided with an abutment block (13). When the limiting block (322) abuts against the inner wall of the N port (112) or L port (111), the abutment block (13) will abut against the side of the stop door (32) near the grounding port (113).
6. The socket with a safety door according to claim 4, characterized in that: The thickness of the gate (32) gradually decreases in the direction away from the connecting block (31).
7. The socket with a safety door according to claim 1, characterized in that: The gate (32) has multiple grooves (323) on the side opposite to the through hole (11).
8. The socket with a safety door according to claim 1, characterized in that: The connecting block (31) has a clearance groove (35) on the side near the grounding port (113).
Citation Information
Patent Citations
Socket security door structure and socket
CN106654657A