LED table lamp driving power supply connecting structure capable of being quickly replaced
By using a threaded cap and threaded groove fit together and a magnetic connection design, the LED desk lamp driver power supply can be quickly replaced, solving the problems of inconvenient replacement and difficult maintenance in the existing technology, and improving safety and resource recycling efficiency.
Patent Information
- Application Number
- CN202522624128.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-11
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-12-11
AI Technical Summary
The existing LED desk lamp driver power supply connection structure has problems such as inconvenience in replacement, difficulty in maintenance, high risk of user self-operation, and is not conducive to resource recycling.
The design incorporates a threaded cap and a threaded groove, along with a drive power supply slot and magnetic connection. The use of an insulating rubber pad and an annular magnetic sheet enables quick replacement of the drive power supply, ensuring connection stability and electrical safety.
It simplifies the power supply replacement process, reduces maintenance and time costs, improves the safety and reliability of user self-replacement, avoids risks such as short circuits and leakage, and promotes resource recycling.
Smart Images

Figure CN223807139U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lamp technical field, especially a kind of LED table lamp driving power connection structure of quick replacement. BACKGROUND
[0002] As a kind of efficient, energy-saving, environmental protection lighting product, LED table lamp has been widely used in learning, office and home life etc. Its core component includes LED light source module and driving power. Driving power is used to convert mains into low voltage direct current required by LED light source, and its performance and reliability directly determine the overall service life and illumination quality of table lamp, at present, the connection mode between the driving power of the majority of LED table lamp on market and lamp body mainly exists following two forms: driving power is sealed in the interior of table lamp lamp body with the mode of welding or fixed wiring, the advantage of this structure is neat appearance, high integration;Or driving power is placed as an independent power adapter outside table lamp, and is connected with lamp body by a inseparable cable. For the prior art, following problems exist:
[0003] Existing built-in integrated driving power as electronic component, its life (usually 2-5 years) is far lower than the theoretical life (up to 50-100 thousand hours) of LED light source. When driving power fails, user or maintenance personnel must disassemble entire lamp body with the aid of professional tool, and operation process is complicated, non-professional personnel are difficult to complete, greatly increase maintenance cost and time cost, even possibly lead to entire table lamp to be discarded due to inconvenience of maintenance, not in line with the concept of green environmental protection;
[0004] Existing external split driving power although externalizes vulnerable parts, but connection cable and circuit board in the interior of lamp body are usually permanently connected (such as welding). If external power adapter is damaged, user can replace with general type, but its output interface can not match original cable, or user needs to cut wire and then carry out twisting, insulation treatment, which not only exists electrical safety hazard such as short circuit, electric leakage, but also can damage LED light source due to positive and negative polarity being reversed, and it is not truly fast and safe replacement.
[0005] In summary, the driving power connection structure of LED table lamp in prior art, whether built-in or external split, all has problems such as inconvenient replacement, difficult maintenance, high risk of user self-operation and not conducive to resource recycling. UTILITY MODEL CONTENTS
[0006] The main purpose of the utility model is to provide a kind of LED table lamp driving power connection structure of quick replacement, can effectively solve the problems such as inconvenient replacement, difficult maintenance, high risk of user self-operation and not conducive to resource recycling of existing LED table lamp driving power.
[0007] To achieve the above object, the technical scheme adopted by the utility model is:
[0008] A quick replaceable LED desk lamp driving power supply connecting structure, including lamp holder mechanism, the top of lamp holder mechanism is provided with desk lamp support, the other end of desk lamp support is connected with LED lighting lamp, the lamp holder mechanism includes lamp holder casing, the eccentricity of the bottom of lamp holder casing is fixedly installed with base ring, the bottom center of lamp holder casing is equipped with threaded embedding groove, the inner ring of threaded embedding groove is equipped with threaded wall, the top surface of threaded embedding groove is equipped with driving power supply clamping groove, the inner cavity of driving power supply clamping groove is provided with driving power supply body, the inner ring of threaded embedding groove is fixedly installed with threaded cover by means of threaded wall, the top of threaded cover is fixedly bonded with insulating rubber pad, the top of insulating rubber pad is attached to the bottom surface of driving power supply body, the bottom of threaded cover is fixedly installed with horizontal plate, the height of horizontal plate after threaded cover installation is higher than base ring, and the stable placement of base ring is not affected.
[0009] Preferably, the inner wall front side of the driving power supply clamping groove is fixedly installed with a power supply female seat one, the output end of the power supply female seat one is electrically connected with the power supply end wire of the LED lighting lamp, and the driving power supply body includes a power supply male socket.
[0010] Preferably, the front side eccentricity of the power supply male socket is fixedly installed with an annular magnetic sheet two, the rear side eccentricity of the power supply female seat one is fixedly installed with an annular magnetic sheet one, the annular magnetic sheet two and the annular magnetic sheet one are mutually adsorbed, and the stability after the power supply male socket and the power supply female seat one are plugged is ensured.
[0011] Preferably, the rear side of the inner wall of the driving power supply clamping groove is equipped with an extension groove penetrating into the inner ring of the threaded embedding groove, the rear side of the inner wall of the extension groove is fixedly installed with a power supply male seat, the rear side of the driving power supply body is electrically connected with a power supply wire, the rear end of the power supply wire is electrically connected with a power supply electrical connection female seat, the power supply electrical connection female seat is plugged with the power supply male seat, and the driving power supply body is powered.
[0012] Preferably, the rear side eccentricity of the power supply electrical connection female seat is fixedly installed with an annular magnetic sheet four, the front side eccentricity of the power supply male seat is fixedly installed with an annular magnetic sheet three, the annular magnetic sheet four and the annular magnetic sheet three are mutually adsorbed, and the stability after the power supply electrical connection female seat and the power supply male seat are plugged is ensured.
[0013] Preferably, the rear end of the lamp holder shell is provided with a power supply female socket two, the power supply female socket two is electrically connected with the power supply male socket, the inner side of the power supply female socket two is inserted with a connecting plug, the rear end of the connecting plug is electrically connected with a cable, the rear side of the cable is connected with a plug, and the plug is connected with a mains socket.
[0014] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0015] The utility model provides a quick replacement's LED desk lamp driving power connection structure, through the cooperation design of threaded cover and threaded embedding groove, combination driving power draw -in groove and magnetic attraction connection mode, make user need not professional tool can directly spin down threaded cover and pull out driving power and replace, simplified operation procedure, reduced maintenance cost and time cost, effectively solved the inconvenient driving power replacement, maintenance difficult problem in prior art.
[0016] The utility model provides a quick replacement's LED desk lamp driving power connection structure adopts annular magnetic sheet adsorption structure and insulating rubber pad design, ensures the connection stability and electrical safety between power supply male socket and power supply female socket one, power supply female socket and power supply male socket, avoids the risk such as short circuit, electric leakage through anti -misplug and insulation measure, improves the security and reliability of user's replacement. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the lamp holder mechanism structure schematic diagram of the utility model;
[0019] Figure 3 It is the driving power draw -in groove structure schematic diagram of the utility model;
[0020] Figure 4 It is the power supply female socket two and connecting plug separation state structure schematic diagram of the utility model;
[0021] Figure 5 It is the power supply male socket and power supply female socket one structure schematic diagram of the utility model;
[0022] Figure 6 It is the power supply female socket and power supply male socket structure schematic diagram of the utility model.
[0023] In the diagram: 1. Lamp holder mechanism; 11. Lamp holder housing; 12. Base ring; 13. Threaded insertion groove; 14. Driver power supply slot; 141. Power supply female connector one; 1411. Annular magnetic plate one; 142. Extension groove; 143. Power supply male connector; 1431. Power supply female connector two; 1432. Connecting plug; 1433. Cable; 1434. Plug; 1435. Annular magnetic plate three; 15. Driver power supply body; 151. Power supply male socket; 1511. Annular magnetic plate two; 152. Power supply wire; 153. Power supply female connector; 1531. Annular magnetic plate four; 16. Threaded cover; 17. Insulating rubber pad; 18. Horizontal plate; 2. Table lamp bracket; 3. LED lighting lamp. Detailed Implementation
[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0025] like Figures 1 to 6 As shown, a quick-change LED desk lamp driver power supply connection structure includes a lamp holder mechanism 1, a desk lamp support 2 on the top of the lamp holder mechanism 1, and an LED lighting lamp 3 connected to the other end of the desk lamp support 2. The lamp holder mechanism 1 includes a lamp holder housing 11, a base ring 12 fixedly installed at the eccentric bottom of the lamp holder housing 11 to ensure the stability of the desk lamp when placed. A threaded groove 13 is formed at the center of the bottom of the lamp holder housing 11, the inner circle of the threaded groove 13 has a threaded wall, and a driver power supply is formed on the top surface of the threaded groove 13. The slot 14 is used to accommodate the drive power supply body 15. The inner ring of the threaded insertion groove 13 is threaded with a threaded cover 16 through the threaded wall. An insulating rubber pad 17 is fixedly bonded to the top of the threaded cover 16. The top of the insulating rubber pad 17 is attached to the bottom surface of the drive power supply body 15 during installation, which serves as insulation and buffer. A horizontal plate 18 is fixedly installed at the bottom of the threaded cover 16. When the threaded cover 16 is fully installed, the height of the horizontal plate 18 is higher than that of the base ring 12, so as not to affect the stable placement of the base ring 12.
[0026] The shape of the drive power slot 14 matches the shape of the drive power body 15, employing an asymmetrical design or keyway structure to ensure that the drive power body 15 can only be inserted in the correct direction. The plug-in portions of the male power socket 151 and the female power socket 141 are provided with guide bevels or positioning protrusions to facilitate alignment and prevent mis-insertion. The insulating rubber pad 17 is made of silicone rubber, which has good insulation, elasticity, and aging resistance. When the threaded cap 16 is tightened, the insulating rubber pad 17 is compressed and undergoes elastic deformation, providing stable pressure to fix the drive power body 15, while also serving as a buffer and insulation to prevent electrical short circuits.
[0027] The inner wall of the driving power supply card slot 14 is fixedly installed with a power supply female socket one 141 on the front side, the output end of the power supply female socket one 141 is electrically connected with the power supply end of the LED illuminating lamp 3 through a wire, the driving power supply body 15 includes a power supply male socket 151, the power supply male socket 151 is plugged with the power supply female socket one 141, used for supplying power to the LED illuminating lamp 3, the power supply male socket 151 is fixedly installed with a ring-shaped magnetic sheet two 1511 on the front side, the power supply female socket one 141 is fixedly installed with a ring-shaped magnetic sheet one 1411 on the rear side, the ring-shaped magnetic sheet two 1511 and the ring-shaped magnetic sheet one 1411 are mutually adsorbed, ensuring the connection stability of the power supply male socket 151 after being plugged with the power supply female socket one 141, preventing loosening.
[0028] The inner wall of the driving power supply card slot 14 is fixedly installed with a power supply female socket one 141 on the front side, the output end of the power supply female socket one 141 is electrically connected with the power supply end of the LED illuminating lamp 3 through a wire, the driving power supply body 15 includes a power supply male socket 151, the power supply male socket 151 is plugged with the power supply female socket one 141, used for supplying power to the LED illuminating lamp 3, the power supply male socket 151 is fixedly installed with a ring-shaped magnetic sheet two 1511 on the front side, the power supply female socket one 141 is fixedly installed with a ring-shaped magnetic sheet one 1411 on the rear side, the ring-shaped magnetic sheet two 1511 and the ring-shaped magnetic sheet one 1411 are mutually adsorbed, ensuring the connection stability of the power supply male socket 151 after being plugged with the power supply female socket one 141, preventing loosening.
[0029] The ring-shaped magnetic sheet one 1411, the ring-shaped magnetic sheet two 1511, the ring-shaped magnetic sheet three 1435 and the ring-shaped magnetic sheet four 1531 are all made of neodymium-iron-boron permanent magnetic material, which can keep the connection stable after being plugged and allow the user to manually separate, the ring-shaped design of the magnetic sheet ensures that the adsorption force is evenly distributed, avoiding wear or loosening caused by single-point stress.
[0030] The rear end of the lamp holder shell 11 is provided with a power supply female socket two 1431, the power supply female socket two 1431 is electrically connected with the power supply male socket 143, the power supply female socket two 1431 is plugged with a connecting plug 1432, the rear end of the connecting plug 1432 is electrically connected with a cable 1433, the rear side of the cable 1433 is connected with a plug 1434, the plug 1434 is used for connecting a power socket, providing power supply for the whole desk lamp;
[0031] The plugged part of the power supply female socket two 1431 and the connecting plug 1432 adopts anti-misplug design, such as asymmetric pins or polarity identification, ensuring that the user can only insert in the correct direction, the cable 1433 and the plug 1434 are connected through a standard IEC connector or a similar quick plug interface, facilitating replacement or extension, and the plug 1434 conforms to the national standard power plug specification.
[0032] The working principle of the quick-replaceable LED desk lamp driving power supply connecting structure will be explained in detail as follows.
[0033] As Figures 1-6 shown, when the driving power supply body 15 needs to be installed or replaced, first, the threaded cover 16 is unscrewed, the driving power supply body 15 is placed into the driving power supply slot 14, at this time, the power supply male socket 151 is automatically plugged with the power supply female seat one 141, and the connection is kept stable through the adsorption effect of the annular magnetic sheet one 1411 and the annular magnetic sheet two 1511; at the same time, the power supply electrical connection female seat 153 is plugged with the power supply male seat 143, and the power supply connection is ensured through the adsorption effect of the annular magnetic sheet four 1531 and the power supply female seat two 1431, then the threaded cover 16 is screwed into the threaded embedded slot 13, the driving power supply body 15 is pressed tightly through the insulating rubber pad 17, the fixing is completed, the transverse plate 18 facilitates the user to manually rotate the threaded cover 16, and the height design ensures that the base ring 12 is always placed stably, when the driving power supply body 15 needs to be replaced, the user first holds the transverse plate 18, rotates the threaded cover 16 counterclockwise until the threaded cover 16 is completely separated from the threaded embedded slot 13, then the user can directly pull out the driving power supply body 15 outward, at this time, the magnetic attraction structure will provide a certain separation resistance, but will not damage the connector, when installing a new driving power supply, the power supply male socket 151 is aligned with the power supply female seat one 141, the power supply electrical connection female seat 153 is aligned with the power supply male seat 143, and is gently pushed in until the magnetic attraction structure is adsorbed in place, a click sound is emitted to indicate that the plugging is completed, finally, the threaded cover 16 is rotated clockwise, the driving power supply body 15 is pressed tightly through the insulating rubber pad 17, the fixing is completed, without professional tools or disassembling the entire lamp body, the maintenance difficulty and cost are greatly reduced.
[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A quick-replaceable LED desk lamp driving power supply connection structure, comprising a lamp holder mechanism (1), the top of the lamp holder mechanism (1) is provided with a desk lamp support (2), the other end of the desk lamp support (2) is connected with an LED illuminating lamp (3), characterized in that: The lamp holder mechanism (1) comprises a lamp holder shell (11), a base ring (12) is fixedly installed at the eccentric bottom of the lamp holder shell (11), a threaded embedding groove (13) is formed at the bottom center of the lamp holder shell (11), a threaded wall is formed in the inner circle of the threaded embedding groove (13), a driving power supply clamping groove (14) is formed in the top surface of the threaded embedding groove (13), a driving power supply body (15) is arranged in the inner cavity of the driving power supply clamping groove (14), a threaded cover (16) is threadedly installed in the inner circle of the threaded embedding groove (13) through the threaded wall, an insulating rubber pad (17) is fixedly bonded to the top of the threaded cover (16), the top of the insulating rubber pad (17) is attached to the bottom surface of the driving power supply body (15), and the bottom of the threaded cover (16) is fixedly installed with a transverse plate (18).
2. The quick replaceable LED desk lamp driving power supply connecting structure according to claim 1, characterized in that: The inner wall of the driving power supply clamping groove (14) is fixedly installed with a power supply female seat one (141), the output end of the power supply female seat one (141) is electrically connected with the power supply end of the LED illuminating lamp (3), and the driving power supply body (15) comprises a power supply male socket (151).
3. The quick replaceable LED desk lamp driving power supply connecting structure according to claim 2, characterized in that: The front side of the power supply male socket (151) is fixedly installed with an annular magnetic sheet two (1511), the rear side of the power supply female seat one (141) is fixedly installed with an annular magnetic sheet one (1411), the annular magnetic sheet two (1511) and the annular magnetic sheet one (1411) are mutually adsorbed, and the stability of the power supply male socket (151) and the power supply female seat one (141) after being plugged is ensured.
4. The quick replaceable LED desk lamp driving power supply connecting structure according to claim 1, characterized in that: The rear side of the inner wall of the driving power supply clamping groove (14) is provided with an extension groove (142) extending into the inner circle of the threaded embedding groove (13), the rear side of the inner wall of the extension groove (142) is fixedly installed with a power supply male seat (143), the rear side of the driving power supply body (15) is electrically connected with a power supply wire (152), the rear end of the power supply wire (152) is electrically connected with a power supply electrical connection female seat (153), the power supply electrical connection female seat (153) is plugged with the power supply male seat (143), and the driving power supply body (15) is powered.
5. The quick replaceable LED desk lamp driving power supply connecting structure according to claim 4, characterized in that: The rear side of the power supply electrical connection female seat (153) is fixedly installed with an annular magnetic sheet four (1531), the front side of the power supply male seat (143) is fixedly installed with an annular magnetic sheet three (1435), the annular magnetic sheet four (1531) and the annular magnetic sheet three (1435) are mutually adsorbed, and the stability of the power supply electrical connection female seat (153) and the power supply male seat (143) after being plugged is ensured.
6. The quick replaceable LED desk lamp driving power supply connecting structure according to claim 5, characterized in that: The rear end of the lamp holder shell (11) is provided with a power supply female socket two (1431), the power supply female socket two (1431) is electrically connected with a power supply male socket (143), the inner side of the power supply female socket two (1431) is inserted with a connecting plug (1432), the rear end of the connecting plug (1432) is electrically connected with a cable (1433), the rear side of the cable (1433) is connected with a plug (1434), and the plug (1434) is connected with a mains socket.