Power plug with pins capable of being folded and stored
By introducing insulated plastic shells and folding components into the power plug, the design of conductor screws and sleeves solves the problem of loose pins, achieving stable fixation and convenient replacement of pins, improving the safety and experience of use.
Patent Information
- Application Number
- CN202422154499.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The existing power plug with foldable pins lacks a fixed structure and is easy to loosen after long-term use, which affects the user experience and poses a risk of plugging and unplugging.
A pin foldable storage power plug including an insulated plastic shell, a folding assembly and an insulated rotary shaft is designed. The pin fixation and replacement are achieved through the cooperation of the conductor screw and the conductor sleeve, and the pins are achieved by using the insulated plastic fixation rod and the knob to achieve stable connection of the pins.
It realizes stable fixation of pins, avoids the risk of use caused by loosening, provides a safe and reliable plug-in and unplugging experience, and supports convenient replacement of pins.
Smart Images

Figure CN223079467U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of power plugs, in particular to a power plug with foldable and retractable pins. Background Technique
[0002] A power plug is a common electrical connection device in our daily life. Its main function is to connect the power supply to the electrical equipment to realize the transmission of electric energy. When a user needs to connect a device to the power supply, the plug of the device is inserted into the power socket, and the metal contacts on the plug contact the electrical contactors of the socket, thereby establishing an electrical connection. The electrical contactors and conductive materials guide the current to the plug and then transmit it to the device to provide power. At the same time, the insulating material ensures that the current only flows along the designed path and does not cause the risk of electric shock.
[0003] When the existing power plug with foldable and retractable pins is in use, due to the lack of fixation for the pins, the pins are prone to looseness after long-term use, which will affect the user experience. At the same time, there will be a certain risk due to looseness during plugging and unplugging.
[0004] Therefore, aiming at the looseness caused by the lack of pin fixation and resulting in danger and use experience that may occur when the power plug with foldable and retractable pins is in use, a power plug with foldable and retractable pins can be designed to achieve fixation while folding and retracting. Content of the Utility Model
[0005] In order to overcome the problem that when the existing power plug with foldable and retractable pins is in use, due to the lack of fixation for the pins, the pins are prone to looseness after long-term use, which will affect the user experience. At the same time, there will be a certain risk due to looseness during plugging and unplugging.
[0006] The technical solution of the utility model is: a power plug with foldable and retractable pins; including an insulating plastic housing and a folding component; the folding component is installed on the insulating plastic housing; the folding component includes an insulating rotating shaft; and the insulating rotating shaft is rotatably connected to the insulating plastic housing; two insulating pin housings are installed at both ends of the insulating rotating shaft; a conductor screw is installed on the insulating pin housing; an insulating plastic fixing rod is installed at the upper end of the insulating pin housing; an embedding groove is formed inside the insulating pin housing; a conductor threaded hole nesting is in clearance fit with the outer end of the conductor screw; and a conductor pin is installed at the front end of the conductor threaded hole nesting.
[0007] Preferably, electrical leakage is prevented through an insulating plastic housing, and the conductive pins are folded by a folding assembly. The conductive screw realizes the power path, and the insulating plastic fixing rod is used to assist in fixing, so as to solve the problem that the existing foldable and retractable power plug is prone to looseness after long-term use due to the lack of fixing for the pins, which will affect the user experience and pose certain risks during plugging and unplugging.
[0008] Preferably, a power supply insulating bracket is slidably connected inside the insulating plastic housing. Transverse insulating sliders are installed at both ends of the power supply insulating bracket, and the transverse insulating sliders are slidably connected to the insulating plastic housing to support the entire power supply assembly.
[0009] Preferably, an insulating support column is installed on the power supply insulating bracket. A bottom insulating belt clamping block slider is installed at the lower end of the insulating support column, and an insulating fixing block is installed at the upper end of the insulating support column to support the mobile control assembly.
[0010] Preferably, an insulating fixing rod is installed at the upper end of the insulating fixing block. An insulating fixing card is installed at the upper end of the insulating fixing rod, and an insulating plastic fixing screw is installed at the upper end of the insulating fixing card to fix the power supply assembly and enable movement.
[0011] Preferably, an insulating plastic knob is in clearance fit with the outer end of the insulating plastic fixing screw. Three power supply conductor housings are installed at the upper end of the power supply insulating bracket to loosen or tighten for the purpose of facilitating movement and fixing.
[0012] Preferably, a conductor pressing piece is slidably connected inside the power supply conductor housing. A connecting sleeve is installed at the upper end of the conductor pressing piece. A power supply screw is rotatably connected to the upper end of the connecting sleeve. A conductor sleeve is installed at the front end of the power supply conductor housing to connect copper wires for fixed power transmission.
[0013] Preferably, an insulating plastic top cover is provided at the upper end of the insulating plastic housing. Four fastening screws are provided on the insulating plastic top cover. An insulating threaded plastic piece is installed at the rear end of the insulating plastic housing. An insulating fixing knob cylinder is in clearance fit with the outer end of the insulating threaded plastic piece to fix the power rubber wire and seal the insulating plastic housing.
[0014] The beneficial effects of the present utility model:
[0015] 1. The folding of the conductor pin is achieved through an insulating rotating shaft; and the power supply conductor housing is supported by a power supply insulating bracket; the conductor screw and the conductor threaded hole are nested to achieve the function of replacing the conductor pin; the conductor sleeve and the insulating plastic fixing rod are used to fix the conductor pin; to solve the problem that the existing foldable and retractable power plug with pins is prone to looseness after long-term use due to the lack of fixation for the pins during use, which will affect the user experience and pose a certain danger during plugging and unplugging.
[0016] 2. During use, rotate the insulating rotating shaft to drive the conductor pin to the open position. At this time, the rear end of the conductor screw is facing the conductor sleeve. Loosen but do not remove the insulating plastic knob, and push the insulating plastic fixing screw and the insulating fixing rod through the insulating plastic knob, so that the insulating fixing block is pushed, the insulating fixing block then pushes the insulating support column, the insulating support column pushes the bottom insulating belt block slider, pushes the power supply insulating bracket, and pushes the transverse insulating slider, allowing it to slide inside the insulating plastic housing, push the conductor sleeve into the conductor screw, and then tighten the insulating plastic knob to fix it with the insulating fixing card to prevent the power supply insulating bracket from moving. At this time, it can be powered on for use. When the conductor pin needs to be replaced, after powering off, rotate the conductor pin so that the conductor threaded hole nest is rotated out from the conductor screw, and then take out the conductor threaded hole nest through the slot for replacement, so as to achieve the function of being able to be powered on and fixed at the same time, and the conductor pin can also be replaced.
[0017] 3. When storage is needed, loosen the insulating plastic knob without removing it, push the insulating plastic knob so that the conductor sleeve leaves the conductor screw, hold the conductor pin and push to drive the insulating rotating shaft. When it reaches the storage position, at this time, the rear end of the insulating plastic fixing rod is facing the conductor sleeve, push the insulating plastic knob so that the conductor sleeve is sleeved on the insulating plastic fixing rod, and then tighten the insulating plastic knob to achieve the function of storage, folding and fixing. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The figure shows a three-dimensional structural schematic diagram of a power plug with foldable and retractable pins of the present utility model;
[0019] Figure 2 The figure shows a three-dimensional structural schematic diagram of the insulating fixing knob cylinder of a power plug with foldable and retractable pins of the present utility model;
[0020] Figure 3 The figure shows a three-dimensional structural schematic diagram of the insulating threaded plastic sheet of a power plug with foldable and retractable pins of the present utility model;
[0021] Figure 4 The figure shows a three-dimensional structural schematic diagram of the insulating rotating shaft of a power plug with foldable and retractable pins of the present utility model;
[0022] Figure 5 Shown is a three-dimensional structural schematic diagram of a conductor screw of a power plug with foldable and retractable pins according to the present utility model;
[0023] Figure 6 Shown is a three-dimensional structural schematic diagram of an embedded groove of a power plug with foldable and retractable pins according to the present utility model;
[0024] Figure 7 Shown is a three-dimensional structural schematic diagram of a nested conductor threaded hole of a power plug with foldable and retractable pins according to the present utility model;
[0025] Figure 8 Shown is a three-dimensional structural schematic diagram of a power supply insulating bracket of a power plug with foldable and retractable pins according to the present utility model;
[0026] Figure 9 Shown is a three-dimensional structural schematic diagram of a power supply conductor housing of a power plug with foldable and retractable pins according to the present utility model.
[0027] Explanation of reference numerals in the drawings: 1, insulating plastic housing; 201, insulating rotating shaft; 202, insulating pin housing; 203, conductor screw; 204, insulating plastic fixing rod; 205, embedded groove; 206, nested conductor threaded hole; 207, conductor pin; 208, power supply insulating bracket; 209, horizontal insulating slider; 210, insulating support column; 211, bottom insulating belt clamping block slider; 212, insulating fixing block; 213, insulating fixing rod; 214, insulating fixing card; 215, insulating plastic fixing screw; 216, insulating plastic knob; 217, power supply conductor housing; 218, conductor pressing piece; 219, connecting movable sleeve; 220, power supply screw; 221, conductor sleeve; 3, insulating plastic top cover; 4, fastening screw at the top cover; 5, insulating threaded plastic sheet; 6, insulating fixing knob cylinder. Detailed implementation manners
[0028] The present utility model will be further described below with reference to the drawings and embodiments.
[0029] Please refer to Figures 1-9 , which includes an insulating plastic housing 1 and a folding assembly; a folding assembly is installed on the insulating plastic housing 1; an insulating plastic top cover 3 is provided at the upper end of the insulating plastic housing 1; four fastening screws 4 are provided on the insulating plastic top cover 3; an insulating threaded plastic sheet 5 is installed at the rear end of the insulating plastic housing 1; an insulating fixing knob cylinder 6 is in clearance fit with the outer end of the insulating threaded plastic sheet 5.
[0030] Please refer to Figure 2 , Figures 4-9, in this embodiment, the folding assembly includes an insulating rotating shaft 201; and the insulating rotating shaft 201 is rotatably connected to the insulating plastic housing 1; two insulating pin housings 202 are installed at both ends of the insulating rotating shaft 201; a conductor screw 203 is installed on the insulating pin housing 202; an insulating plastic fixing rod 204 is installed at the upper end of the insulating pin housing 202; a slot 205 is formed inside the insulating pin housing 202; a conductor threaded hole nested 206 is in clearance fit with the outer end of the conductor screw 203; a conductor pin 207 is installed at the front end of the conductor threaded hole nested 206; a power supply insulating bracket 208 is slidably connected inside the insulating plastic housing 1; two transverse insulating sliders 209 are installed at both ends of the power supply insulating bracket 208; and the transverse insulating slider 209 is slidably connected to the insulating plastic housing 1; an insulating support column 210 is installed on the power supply insulating bracket 208; a bottom insulating belt clamping block slider 211 is installed at the lower end of the insulating support column 210; an insulating fixing block 212 is installed at the upper end of the insulating support column 210; an insulating fixing rod 213 is installed at the upper end of the insulating fixing block 212; an insulating fixing card 214 is installed at the upper end of the insulating fixing rod 213; an insulating plastic fixing screw 215 is installed at the upper end of the insulating fixing card 214; an insulating plastic knob 216 is in clearance fit with the outer end of the insulating plastic fixing screw 215; three power supply conductor housings 217 are installed at the upper end of the power supply insulating bracket 208; a conductor pressing piece 218 is slidably connected inside the power supply conductor housing 217; a connecting collar 219 is installed at the upper end of the conductor pressing piece 218; a power supply screw 220 is rotatably connected to the upper end of the connecting collar 219; a conductor sleeve 221 is installed at the front end of the power supply conductor housing 217.
[0031] Before use, first strip the power cord to expose the conductive copper wire. Rotate down the insulating fixing knob cylinder 6, put the power cord into the insulating fixing knob cylinder 6, and then put the power cord into the insulating threaded plastic sheet 5. Loosen and remove the insulating plastic knob 216, and then loosen the four fastening screws 4 at the top cover to remove the insulating plastic top cover 3. Then, insert the neutral and live wires of the power cord between the two upper conductor pressing pieces 218 and the power supply conductor housing 217 respectively. Use a screwdriver to tighten the two upper power supply screws 220 so that the connecting collar 219 drives the conductor pressing piece 218 to press downwards to completely press the neutral and live wires. Then, connect the ground wire between the single lower conductor pressing piece 218 and the power supply conductor housing 217, and turn the power supply screw 220 to press the ground wire firmly. Rotate the insulating fixing knob cylinder 6 to squeeze the insulating threaded plastic sheet 5 inward to press the power cord firmly. Then, cover the insulating plastic top cover 3 back above the insulating plastic housing 1, tighten the four fastening screws 4 at the top cover, and then tighten the insulating plastic knob 216.
[0032] When in use, rotate the insulating rotating shaft 201 to drive the conductor pin 207 to the open position. At this time, the rear end of the conductor screw 203 faces the conductor sleeve 221. Loosen the insulating plastic knob 216 without removing it. Push the insulating plastic knob 216 to drive the insulating plastic fixing screw 215 and the insulating fixing rod 213, so that the insulating fixing block 212 is pushed. The insulating fixing block 212 then pushes the insulating support column 210. The insulating support column 210 pushes the bottom insulating belt catch slider 211, the power supply insulating bracket 208, and the horizontal insulating slider 209, allowing them to slide inside the insulating plastic housing 1. Push the conductor sleeve 221 onto the conductor screw 203, and then tighten the insulating plastic knob 216 to fix it with the insulating fixing card 214 to prevent the power supply insulating bracket 208 from moving. At this time, it can be powered on for use. When the conductor pin 207 needs to be replaced, after powering off, rotate the conductor pin 207 so that the conductor threaded hole nest 206 is removed from the conductor screw 203, and then remove the conductor threaded hole nest 206 through the slot 205 for replacement.
[0033] When storage is needed, loosen the insulating plastic knob 216 without removing it. Push the insulating plastic knob 216 so that the conductor sleeve 221 leaves the conductor screw 203. Hold the conductor pin 207 and push to drive the insulating rotating shaft 201. When it reaches the storage position, the rear end of the insulating plastic fixing rod 204 faces the conductor sleeve 221. Push the insulating plastic knob 216 so that the conductor sleeve 221 is sleeved on the insulating plastic fixing rod 204, and then tighten the insulating plastic knob 216.
[0034] Through the above steps, the insulating rotating shaft 201 is set to realize the folding of the conductor pin 207; the power supply insulating bracket 208 is used to support the power supply conductor housing 217; the conductor screw 203 and the conductor threaded hole nest 206 are used to realize the function of replacing the conductor pin 207; the conductor sleeve 221 and the insulating plastic fixing rod 204 are used to fix the conductor pin 207; to solve the problem that the existing foldable and retractable power plug with pins is prone to looseness after long-term use due to the lack of fixing for the pins during use, which will affect the user experience and pose a certain danger during plugging and unplugging.
Claims
1. A power plug with foldable and retractable pins; comprising an insulating plastic housing (1); characterized in that: It further includes a folding component; the folding component is installed on the insulating plastic housing (1); the folding component includes an insulating rotating shaft (201); and the insulating rotating shaft (201) is rotatably connected to the insulating plastic housing (1); two insulating pin housings (202) are installed at both ends of the insulating rotating shaft (201); a conductor screw (203) is installed on the insulating pin housing (202); an insulating plastic fixing rod (204) is installed at the upper end of the insulating pin housing (202); a slot (205) is formed inside the insulating pin housing (202); a conductor threaded hole nest (206) is in clearance fit with the outer end of the conductor screw (203); a conductor pin (207) is installed at the front end of the conductor threaded hole nest (206).
2. The power plug with foldable and retractable pins according to claim 1, wherein: A power supply insulating bracket (208) is slidably connected inside the insulating plastic housing (1); transverse insulating sliders (209) are installed at both ends of the power supply insulating bracket (208); and the transverse insulating sliders (209) are slidably connected to the insulating plastic housing (1).
3. The power plug with foldable and retractable pins according to claim 2, characterized in that: An insulating support column (210) is installed on the power supply insulating bracket (208); a bottom insulating belt clamping block slider (211) is installed at the lower end of the insulating support column (210); and an insulating fixing block (212) is installed at the upper end of the insulating support column (210).
4. The power plug with foldable and retractable pins according to claim 3, characterized in that: An insulating fixing rod (213) is installed at the upper end of the insulating fixing block (212); an insulating fixing card (214) is installed at the upper end of the insulating fixing rod (213); and an insulating plastic fixing screw (215) is installed at the upper end of the insulating fixing card (214).
5. The power plug with foldable and retractable pins according to claim 4, wherein: An insulating plastic knob (216) is in clearance fit with the outer end of the insulating plastic fixing screw (215); three power supply conductor housings (217) are installed at the upper end of the power supply insulating bracket (208).
6. The power plug with foldable and retractable pins according to claim 5, wherein: A conductor pressing piece (218) is slidably connected inside the power supply conductor housing (217); a connecting loose sleeve (219) is installed at the upper end of the conductor pressing piece (218); and a power supply connection screw (220) is rotatably connected to the upper end of the connecting loose sleeve (219). A conductor sleeve (221) is installed at the front end of the power supply conductor housing (217).
7. A power plug with foldable and retractable pins according to claim 1, characterized in that: An insulating plastic top cover (3) is provided at the upper end of the insulating plastic housing (1); four top cover fastening screws (4) are provided on the insulating plastic top cover (3); an insulating threaded plastic piece (5) is installed at the rear end of the insulating plastic housing (1); and an insulating fixing knob cylinder (6) is in clearance fit with the outer end of the insulating threaded plastic piece (5).