Plug structure with protection
By designing a protective plug structure and utilizing components such as snap-fit blocks, locking frames, and moving plates, the problem of plugs being susceptible to contamination and damage is solved, achieving protective fixation of the plug and extending its service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-20
AI Technical Summary
Existing power cord plugs lack effective protective structures, easily accumulating dust and oil, and are susceptible to external damage, affecting safety and lifespan.
A protective plug structure was designed, including components such as a snap-fit block, a locking frame, and a movable plate. Through the cooperation of snap-fit protrusions, locking protrusions, and fixing parts, a protective fixation is formed to prevent the plug metal pieces from being contaminated and damaged by external forces.
It effectively prevents the metal contacts of the plug from being corroded by dust, oil, and other contaminants, avoids damage from collisions and squeezing, and extends the service life of the plug.
Smart Images
Figure CN224021135U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plug field, more specifically, it relates to a plug structure with protection. BACKGROUND
[0002] The power cord plug is a key component for connecting the electrical equipment with the power supply, which is usually composed of an insulating shell and a metal conductive sheet. Its function is to connect the electrical equipment with the power socket to provide power supply for the equipment. The design and performance of the plug directly affect the safety and reliability of the electrical equipment in use.
[0003] However, there is a common problem with the power cord plugs on the market at present: lack of effective protection structure when not in use. The exposed plug metal sheet is directly exposed to the outside, which is easily affected by the external environment, easily accumulates dust, oil stains and other pollutants, affects the conductivity, and even causes short circuit and other safety hazards, and is easily affected by external forces such as collision and extrusion during carrying or storage, resulting in problems such as metal sheet deformation and insulation layer damage, affecting the normal use and service life of the plug. SUMMARY
[0004] The utility model provides a kind of plug structure with protection, which solves the problem of plug without protection.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a plug structure with protection, comprising a plug body, the plug body one end protrudes and forms an electric contact pin, the other end of the plug body forms a connecting hole, characterized by: further comprising a clamping block, the plug body is formed with a clamping recess, the clamping block is formed with a clamping protrusion that slides in the clamping recess, the clamping block includes a first clamping block and a second clamping block, the first clamping block and the second clamping block form a fixed gap of a fixed connector.
[0006] The utility model is further provided as follows: the first clamping block and the second clamping block protrude a locking protrusion, when the first clamping block and the second clamping block approach each other and are fixed, the locking protrusion forms the fixed gap, and a filler is arranged in the fixed gap.
[0007] The utility model is further provided as follows: further comprising a locking frame, the first clamping block and the second clamping block are each provided with a plug-in hole, the locking frame protrudes a plug-in section matched therewith, the locking frame further comprises a connecting section connecting the two plug-in sections, the connecting section is in the shape of C, the first clamping block and the second clamping block form a locking recess matched with the connecting end, and the locking recess is symmetrical to the clamping block in the plug-in hole.
[0008] The utility model is further provided as follows: the first clamping block and the second clamping block protrude a clamping plug-in protrusion, and the plug-in protrusion is formed with an inclined surface.
[0009] The utility model further sets up: mobile board that fixed electric contact foot is arranged in the plug body, mobile board both ends extend from the inside of plug body to outside, the plug body is set up with the fixed piece that connects the pressing block in the limit slot, the pressing block is arranged in the limit slot.
[0010] The utility model further sets up: the fixed piece includes connecting rod, the connecting rod connects pressing block and mobile board, the connecting and limit slot interference fit.
[0011] The utility model has following effect: through setting protection structure, can effectively prevent the plug metal sheet from being eroded by dust, dirt and other pollutants, and the damage caused by external force such as collision, extrusion, to prolong the service life of plug. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is the perspective view of the utility model embodiment;
[0013] Fig. 2 It is the structure schematic view of the utility model embodiment;
[0014] Fig. 3 It is the fixed cavity section view of the utility model embodiment.
[0015] In the drawing: 1, plug body;12, electric contact foot;13, joint recess;2, joint block;211, first joint block;213, second joint block;21, joint protrusion;22, fixed gap;23, plug protrusion;3, locking frame;31, plug section;4, mobile board;5, pressing block;51, connecting rod. DETAILED DESCRIPTION
[0016] The technical scheme of the utility model will be described below in conjunction with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.
[0017] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms 'center', 'upper', 'lower', 'left', 'right','vertical', 'horizontal', 'inner', 'outer' and the like is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model. In addition, the terms 'first','second', 'third' are only for the purpose of description, and can not be understood as indicating or implying relative importance.
[0018] Reference Figs. 1 to 3 Further illustrate the utility model embodiment.
[0019] A plug structure with protection, comprising a plug body 1, one end of the plug body 1 protrudes and forms an electric contact pin 12, the other end of the plug body 1 forms a connecting hole, further comprising a clamping block 2, the plug body 1 is formed with a clamping recess 13, the clamping block 2 is formed with a clamping protrusion 21 that slides in the clamping recess 13, the clamping block 2 comprises a first clamping block 211 and a second clamping block 213, the first clamping block 211 and the second clamping block 213 are formed with a fixed gap 22 of a fixed connector; the fixed charging wire connecting end is driven by the fixed gap 22 formed by the first clamping block 211 and the second clamping block 213 approaching each other to protect the connection of the fixed charging wire and the plug and avoid damage.
[0020] The first clamping block 211 and the second clamping block 213 protrude locking protrusions, when the first clamping block 211 and the second clamping block 213 approach each other and are fixed, the locking protrusions form the fixed gap 22, and the fixed gap 22 is provided with a filler, and the filler has a deformation capacity; this structure can adapt to charging wire connecting ends of different sizes when in use, and can better wrap and fix the charging wire fixed end to ensure stable connection.
[0021] Further comprising a locking frame 3, the first clamping block 211 and the second clamping block 213 are both provided with a plug-in hole, the locking frame 3 protrudes a plug-in section 31 matched therewith, the locking frame 3 further comprises a connecting section connecting the two plug-in sections 31, the connecting section is in a C shape, the first clamping block 211 and the second clamping block 213 are formed with a locking recess matched with the connecting end, the locking recess is symmetrical to the clamping block 2 at the plug-in hole, the locking frame 3 is installed after the first clamping block 211 and the second clamping block 213 approach each other to fix the first clamping block 211 and the second clamping block 213 to ensure that they are not separated, the plug-in section 31 and the locking recess are matched to ensure that the first clamping block 211 and the second clamping block 213 are fixed, a clamping hook can be arranged on the connecting end, and a recess locking groove matched with the clamping hook is arranged on the first clamping block 211 and the second clamping block 213, which can more firmly and stably lock the first clamping block 211 and the second clamping block 213, effectively prevent them from being separated, and the locking effect is more firm and convenient.
[0022] The first clamping block 211 and the second clamping block 213 protrude plug-in protrusions 23, the plug-in protrusions 23 are formed with inclined surfaces, facilitating clamping and being more convenient to use.
[0023] The mobile plate 4 fixed with the electric contact pin 12 extends from the inside of the plug body 1 to the outside at both ends, a limiting slot is formed on the plug body 1, a pressing block 5 connected with the mobile plate 4 and a fixing part fixed with the pressing block 5 are arranged in the limiting slot, the plug body 1 has a cavity for the mobile plate 4 to slide, the electric contact pin 12 is fixed on the mobile plate 4 and slides with the mobile plate 4, and the pressing block 5 is convenient for controlling the mobile plate 4 to move outside; the length of the electric wire connected with the electric contact pin 12 in the plug body 1 is longer than the stroke of the mobile plate 4, and the electric wire can be retracted or stretched in the cavity along with the movement of the mobile plate 4.
[0024] The fixing part comprises a connecting rod 51 connected with the pressing block 5 and the mobile plate 4, and the connecting rod 51 is in interference fit with the limiting slot, so that the mobile plate 4 is convenient to adjust and use; this structure can retract the electric contact pin 12 when not in use, so as to avoid damage, and can stretch out for use when in use, which is convenient to use; the interference fit of the connecting rod 51 is convenient and simple to fix, and is practical and convenient.
[0025] The embodiment is only an explanation of the utility model, and is not a limitation of the utility model; those skilled in the art can make modifications to the embodiment without creative contribution according to the needs after reading the specification, and the modifications are protected by the patent law as long as they are within the scope of the claims of the utility model.
Claims
1. A protected plug structure, comprising a plug body, wherein one end of the plug body protrudes and has formed electrical contacts, and the other end of the plug body has formed a connection hole, characterized in that: It also includes a snap-fit block, wherein a snap-fit recess is formed on the plug body, and a snap-fit protrusion is formed on the snap-fit block that slides in the snap-fit recess. The snap-fit block includes a first snap-fit block and a second snap-fit block, and the first snap-fit block and the second snap-fit block form a fixed gap for fixing the connector.
2. The protective plug structure according to claim 1, characterized in that: The first and second locking blocks have locking protrusions. When the first and second locking blocks are close to each other and fixed, the locking protrusions form the fixing gap, and the fixing gap is filled with a filling material.
3. The protective plug structure according to claim 2, characterized in that: It also includes a locking frame, on which both the first and second locking blocks are provided with insertion holes. The locking frame has protruding insertion sections that cooperate with them. The locking frame also includes a connecting section that connects the two insertion sections. The connecting section is C-shaped. The first and second locking blocks have locking recesses that cooperate with the connecting ends. The locking recesses are symmetrical to the locking blocks and the insertion holes.
4. A protective plug structure according to claim 2, characterized in that: The first and second card blocks have protruding insertion protrusions, and the insertion protrusions have beveled surfaces.
5. A protective plug structure according to claim 1, characterized in that: The plug body is provided with a movable plate for fixing electrical contacts. The two ends of the movable plate extend from the inside of the plug body to the outside. A limiting groove is provided on the plug body. A pressing block for connecting the movable plate and a fixing member for fixing the pressing block are provided in the limiting groove.
6. A protective plug structure according to claim 5, characterized in that: The fixing component includes a connecting rod that connects the pressing block and the moving plate, and the connecting rod is interference-fitted with the limiting groove.