Forward and reverse pluggable switching power supply
By designing the limiting post and crossbeam structure of the reversible switching power supply, the problem of the difference in positive and negative pole standards between the switching power supply and the low-voltage light strip was solved, realizing stable connection and adaptable plugging of the lamp plug in both directions.
Patent Information
- Application Number
- CN202520137350.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The existing switching power supplies and low-voltage LED strips have different positive and negative polarity standards, which makes them incompatible and leads to abnormal installation. They also cannot be plugged in in both directions, resulting in poor adaptability.
Design a reversible pluggable switching power supply, which adopts a symmetrically arranged limiting post and crossbeam structure to ensure stable connection of the lamp plug when inserted in either direction. The limiting groove and through groove work together to limit wobbling and achieve stable plugging.
It achieves a stable connection when the lamp plug is inserted in either direction, preventing it from falling out and improving installation adaptability and stability.
Smart Images

Figure CN223858535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to the technical field of switching power supply, specifically to a positive and negative insertable switching power supply. BACKGROUND
[0002] At present, the positive and negative standard and Dupont head limiting direction of switching power supply and low-voltage lamp strip produced by different manufacturers on the market all have differences. The positive and negative poles are distinguished as left positive and right negative or left negative and right positive, and the Dupont head is distinguished as left limiting, right limiting and no limiting, and the combination of the two will cause multiple combination results, resulting in that the products of each manufacturer cannot be used universally, and it is easy to install the wrong product, causing abnormal on-site installation. The switching power supply connector of the present cannot realize positive and negative bidirectional plug-in, and the adaptability is relatively poor. CONTENT OF UTILITY MODEL
[0003] In order to solve the problems in the background art, the utility model provides a positive and negative insertable switching power supply.
[0004] The utility model adopts the technical scheme as follows: a positive and negative insertable switching power supply, comprising a switching power supply, the switching power supply is uniformly provided with a plurality of mounting holes, the mounting holes are all installed with connectors, the connectors are symmetrically provided with the same plug-in structure up and down, the connector opening is provided with a limiting mechanism, and the plug-in structure and the limiting mechanism are matched for positive and negative connection of the lamp plug.
[0005] Preferably, the connector is provided with an interface, the limiting mechanism is provided with two groups of limiting columns symmetrically at the interface position, and the limiting columns correspondingly limit the up and down and left and right shaking of the lamp plug.
[0006] Preferably, the plug-in structure is a limiting groove and a through groove corresponding to the limiting column and the interface, the limiting groove and the limiting column correspondingly fit the lamp plug, and the lamp plug is movably connected in the through groove.
[0007] Preferably, two groups of wiring columns are arranged in the through groove, and the wiring columns are connected with the lamp plug.
[0008] Preferably, the limiting mechanism further comprises a cross beam symmetrically arranged up and down on the connector, and the cross beam corresponds to the top or bottom of the lamp plug.
[0009] Preferably, the top and the bottom of the connector are both provided with through holes, and the through holes correspond to the cross beam.
[0010] Preferably, the cross beam of the top of the connector is higher than the through hole of the top of the connector.
[0011] Preferably, a wiring seat is arranged in the inner end of the connector, the wiring seat is connected with the wiring column, and the wiring seat is connected with the switching power supply through a wire.
[0012] Preferably, the terminal block is fixedly connected with the wire through a screw or a bolt, and the terminal post is electrically connected with the switch power supply through the terminal block.
[0013] Preferably, the terminal post is a square terminal post made of metal.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] 1. The utility model discloses a plug-in structure and a limiting mechanism are convenient for inserting the connector, the overall size of the interface is enlarged to ensure that the subsequent lamp plug is positively installed or reversely installed and has sufficient insertion space, and the technical effect of facilitating the installation of the lamp and the switch power supply is achieved.
[0016] 2. The utility model discloses a limiting column, a limiting groove and a crossbeam are arranged, the plug during connection can be limited, the lamp plug is ensured to be not shaken up and down and left and right in the insertion state, and the plug during connection is not shaken off when being positively installed or reversely installed.
[0017] The utility model will be explained in detail in combination with the drawings and specific embodiments. DRAWINGS
[0018] Fig. 1 It is the overall structure schematic diagram of the utility model;
[0019] Fig. 2 It is the connector structure schematic diagram of the utility model.
[0020] In the drawing: 1, connector;2, limiting groove;3, limiting column;4, terminal block;5, crossbeam;6, through groove;7, terminal post;8, switch power supply. DETAILED DESCRIPTION
[0021] In order to facilitate understanding the utility model, the utility model will be described more comprehensively below in reference to relevant drawings, and the drawings give several embodiments of the utility model, but the utility model can be realized through different forms and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.
[0022] It should be noted that when an element is referred to as being "fixedly set" on another element, it can be directly on the other element or can exist through a middle element, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or can exist through a middle element, and the terms "vertical", "horizontal", "left", "right" and similar expressions used in the text are only for the purpose of illustration.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "including", "comprising", "having" and the like are meant to encompass the items listed thereafter as well as other items.
[0024] Please refer to the accompanying drawings Figs. 1-2 A positive and negative plug-in type switching power supply, including switching power supply 8, the switching power supply 8 is uniformly provided with a plurality of mounting holes, the mounting hole is installed with connector 1, the connector 1 is provided with interface, the interface is provided with the same plug-in structure symmetrically, the interface is provided with limiting mechanism, the plug-in structure and limiting mechanism are used for connecting the lamp plug in positive and negative directions, the overall size of the interface is expanded to ensure that the subsequent lamp plug is positively installed or reversely installed with sufficient insertion space, and the existing connector 1 bottom vertical limiting groove 2 is cancelled, and the adaptive plug is connected in positive and negative directions.
[0025] In the utility model, the limiting mechanism is provided with two groups of limiting columns 3 symmetrically in the interface position, the limiting column 3 is correspondingly matched with the lamp plug to limit its up and down and left and right shaking, the plug-in structure is the limiting groove 2 and the through groove 6 formed by the limiting column 3 and the interface, the limiting groove 2 and the limiting column 3 are correspondingly fitted with the lamp plug, and the lamp plug can be movably connected in the through groove 6, two groups of wiring columns 7 are arranged in the through groove 6, the wiring column 7 is connected with the lamp plug, the limiting mechanism further includes the crossbeam 5 symmetrically arranged on the connector 1, the crossbeam 5 is correspondingly matched with the top or bottom of the lamp plug, and the top and bottom of the connector 1 are provided with the same crossbeam 5, the up and down crossbeams 5 can ensure that the subsequent lamp plug is not dropped when being connected with the switching power supply 8 in positive or reverse direction, the top and bottom of the connector 1 are provided with through holes, the through holes are correspondingly positioned with the crossbeam 5, the crossbeam 5 of the top of the connector 1 is higher than the top of the connector 1 and the through hole, the inner end of the connector 1 is provided with a wiring seat 4, the wiring seat 4 is connected with the wiring column 7, the wiring seat 4 is connected with the switching power supply 8 through the wire, the wiring seat 4 is fixedly connected with the wire through screw or bolt, the wiring column 7 is electrically connected with the power switch through the wiring seat 4, and the wiring column 7 is a square connecting column made of metal material.
[0026] The implementation principle of the positive and negative plug-in type switching power supply is as follows:
[0027] The plug-in type switching power supply is connected with the plug in positive direction, the plug is aligned and inserted into the through groove 6 upwards, the wiring column 7 is inserted into the plug, the limiting column 3 and the limiting groove 2 of the upper end of the connector 1 limit the plug, the up and down and left and right shaking of the plug are limited, the crossbeam 5 of the top limits the plug, the plug is prevented from falling off, and the plug-in stability is ensured;
[0028] The reverse plug-in plug is aligned downward and inserted into the through slot 6, the terminal post 7 is inserted into the plug, the limiting post 3 at the lower end of the connector 1 and the limiting slot 2 limit the plug, limiting the up and down and left and right shaking of the plug, the cross beam 5 at the top limits the plug, preventing the plug from falling off, and ensuring the stability of the plug-in.
[0029] Specifically, the DuPont head lamp plug can be matched with the left limiting, no limiting and right limiting DuPont head lamp plug; and the DuPont head lamp plug can be matched with the left positive and right negative, left negative and right positive DuPont head lamp plug.
[0030] The utility model has been described exemplarily in combination with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as the method concept and technical scheme of the utility model are adopted for this kind of non-essential improvement or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, which are all within the protection scope of the utility model.
Claims
1. A plug-in reversible switching power supply comprising a switching power supply (8), characterized in that: The switch power supply (8) is uniformly provided with a plurality of mounting holes, and a connector (1) is mounted in each mounting hole, the connector (1) is symmetrically provided with the same plug-in structure above and below, the connector (1) is provided with a limiting mechanism at the opening, and the plug-in structure and the limiting mechanism are matched for connecting the lamp plug in positive and negative directions.
2. The bidirectional plug-in switching power supply according to claim 1, characterized in that: The connector (1) is provided with an interface, the limiting mechanism is symmetrically provided with two groups of limiting columns (3) at the interface position, and the limiting columns (3) are matched with the lamp plug to limit the up-down and left-right shaking of the lamp plug.
3. The bidirectional plug-in switching power supply according to claim 2, characterized in that: The plug-in structure is a limiting groove (2) and a through groove (6) corresponding to the limiting column (3) and the interface, the limiting groove (2) and the limiting column (3) are matched with the lamp plug, and the lamp plug is movably connected in the through groove (6).
4. The bidirectional plug-in switching power supply according to claim 3, characterized in that: Two groups of wire columns (7) are arranged in the through groove (6), and the wire columns (7) are connected with the lamp plug.
5. The bidirectional plug-in switching power supply according to claim 4, characterized in that: The limiting mechanism further includes a cross beam (5) symmetrically arranged above and below the connector (1), and the cross beam (5) is matched with the top or bottom of the lamp plug.
6. The bidirectional plug-in switching power supply according to claim 5, characterized in that: The top and bottom of the connector (1) are provided with through holes corresponding to the cross beam (5).
7. The bidirectional plug-in switching power supply according to claim 6, characterized in that: The cross beam (5) on the top of the connector (1) is higher than the through hole on the top of the connector (1).
8. The bidirectional plug-in switching power supply according to claim 7, characterized in that: A wire seat (4) is arranged in the inner end of the connector (1), the wire seat (4) is connected with the wire column (7), and the wire seat (4) is connected with the switch power supply (8) through a wire.
9. The bidirectional plug-in switching power supply according to claim 8, characterized in that: The wire seat (4) is fixedly connected with the wire through a screw or a bolt, and the wire column (7) is electrically connected with the power switch through the wire seat (4).
10. The bidirectional plug-in switching power supply according to claim 9, characterized in that: The wire column (7) is a square connecting column made of metal.