A side elastic sheet clamping type connecting structure

Abstract

The utility model discloses a side elastic piece clamping type connecting structure, including insulating base body, a plurality of elastic conductive parts, the insulating base body has the insertion end, and the first opening that is communicated with the installation cavity is seted up on this contact surface, the lateral surface of insulating base body is seted up with the second opening that is communicated with the installation cavity, and a plurality of elastic conductive parts include base, elastic contact part and bunching part, wherein, the base is fixedly installed in the installation cavity through the second opening, the elastic contact part extends from the base to the contact surface direction, and at least part protrudes in the first opening, is used for forming interference fit with the accommodation cavity and realizes clamping, and forms electric connection with the conductive part of LED lamp area simultaneously, the bunching part is used for with the core contact of external wire and forms mechanical locking. The utility model technical scheme is aimed at solving the problem of traditional LED lamp area welding connection operation complex and the volume of existing LED lamp area connecting structure is too big etc.

Description

Technical Field

[0001] This utility model relates to the field of LED light strip technology, and in particular to a side spring clip-on connection structure. Background Technology

[0002] With the rapid development of LED lighting technology, LED linear light strips are widely used in decorative lighting, landscape lighting, and other scenarios due to their advantages such as thinness, flexibility, and uniform light emission. Their core structure consists of a lamp sleeve, the light strip body, and conductive parts: the lamp sleeve forms a long, narrow cavity extending along its length, protecting the internal components from external environmental influences and defining the light output path; the light strip body is installed within this cavity, with conductive parts (such as copper foil pads) extending along its length distributed on both sides. These conductive parts are electrically connected to the light-emitting units, providing a stable current path for the units and are the key structure for achieving normal light emission.

[0003] In existing technologies, the connection between the wire and the conductive part of the LED light strip has long relied on soldering. Operators need to strip the insulation layer of the wire and then use high-temperature solder to fuse and fix the wire core to the solder pad of the conductive part. This method has many problems: First, it requires high operator skills, and manual soldering is prone to incomplete soldering or false soldering, resulting in unstable current transmission and even short circuits; second, high-temperature solder can easily damage the insulation layer of the light strip body and the fragile light-emitting unit, especially for miniaturized light strips with high density, where the risk of thermal damage is even higher.

[0004] To overcome the drawbacks of welding, the industry has attempted to adopt mechanical contact connection structures (such as elastic contact pieces or conductive pins) to achieve electrical connection and mechanical fixation between the wire and the conductive part through snap-fit ​​or interference fit. However, existing improved structures still have significant limitations: they mostly adopt a design method of integrating contact elements on the front side of the insulating substrate, which requires a large amount of space for installation and operation, resulting in an excessively large overall size of the connector, making it difficult to adapt to the size limitations of the narrow and elongated cavity of the LED light strip. Utility Model Content

[0005] The main purpose of this utility model is to provide a side spring clip-on connection structure, which aims to solve the problems of complex traditional LED strip welding connection operation and excessive size of existing LED strip connection structure.

[0006] To achieve the above objectives, the present invention proposes a side spring clip-on connection structure for inserting and fixing into the receiving cavity of an LED light strip, comprising:

[0007] An insulating substrate has a plug-in end that can be inserted into an LED strip receiving cavity, and the insulating substrate has a plurality of mounting cavities inside. The plug-in end has a contact surface for contacting the conductive part of the LED strip, and the contact surface has a first opening communicating with the mounting cavity. The lateral surface of the insulating substrate has a second opening communicating with the mounting cavity.

[0008] Several flexible conductive elements, including a base, a flexible contact portion, and a wire bundle portion.

[0009] The base is fixedly installed in the mounting cavity through the second opening;

[0010] The elastic contact portion extends from the base toward the contact surface and at least partially protrudes from the first opening. When the plug-in end is inserted into the LED strip receiving cavity, the elastic contact portion is squeezed by the inner wall of the receiving cavity to generate elastic deformation, forming an interference fit with the receiving cavity to achieve a snap-fit, and at the same time forming an electrical connection with the conductive part of the LED strip.

[0011] The wire harness is used to contact the core of the external conductor and form a mechanical lock.

[0012] In one possible implementation, the mounting cavity is provided with an anti-detachment groove, and the corresponding area of ​​the base is provided with an anti-detachment tongue, which is used to elastically engage with the anti-detachment groove when the elastic conductive component is installed into the mounting cavity, so as to prevent the elastic conductive component from being displaced.

[0013] In one possible implementation, the insulating substrate has a third opening at the rear end of the wire harness portion, and the third opening communicates with the mounting cavity to allow external wires to pass through the mounting cavity.

[0014] In one possible implementation, the wire harness includes a plurality of elastic clamping units, each elastic clamping unit including elastic clamping arms symmetrically arranged on both sides of the base, for the symmetrical elastic clamping arms to radially clamp the wire through elastic deformation when the wire is embedded.

[0015] In one possible implementation, the symmetrically arranged elastic clamping arms form a fixing groove, and a fixing protrusion is provided at the corresponding position of the mounting cavity. When the elastic conductive element is installed into the mounting cavity, the fixing protrusion is embedded in the corresponding fixing groove to limit the elastic conductive element.

[0016] In one possible implementation, the base of the elastic conductive element and the connection of the elastic contact portion are integrally formed with an outwardly protruding limiting protrusion, and the inner wall of the corresponding area of ​​the mounting cavity is provided with a limiting groove, so that when the elastic conductive element is installed into the mounting cavity, the limiting protrusion is correspondingly engaged with the limiting groove.

[0017] In one possible implementation, the insulating substrate has a light-transmitting groove extending along the insertion direction in the middle. The light-transmitting groove penetrates the insertion end face of the insulating substrate and is spaced apart from the mounting cavity. This is used to avoid the light-emitting unit in the middle area of ​​the LED strip when the connecting structure is inserted into the LED strip receiving cavity.

[0018] The technical solution of this utility model has at least the following beneficial effects:

[0019] 1. When the plug-in end is inserted into the LED strip receiving cavity, the elastic deformation generated by the compression of the elastic contact part forms an interference fit with the LED strip receiving cavity, realizing a stable snap-fit ​​connection structure; at the same time, the elastic clamping unit of the wire harness radially clamps the wire, realizing the mechanical locking and electrical connection of the wire, effectively eliminating the welding process and significantly simplifying the operation.

[0020] 2. Furthermore, this invention achieves lateral mounting of the elastic conductive component by opening a second opening on the lateral surface of the insulating substrate, avoiding the need to reserve installation space on the front of the insulating substrate. This design optimizes space occupancy, significantly reducing the overall structure's dimensions along the insertion direction, and better suited to the narrow and elongated cavity of LED light strips. Its overall structure is compact and highly adaptable, significantly improving assembly efficiency and reliability.

[0021] 3. By setting anti-detachment tongues and anti-detachment grooves, limiting protrusions and limiting grooves, and fixing grooves and fixing protrusions between the insulating substrate and the elastic conductive component, a multi-limiting structure is formed, which effectively improves the assembly stability between the elastic conductive component and the insulating substrate.

[0022] 4. A light-transmitting groove is provided on the insulating substrate to ensure that the LED light strip light-emitting unit can work normally without obstruction. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of the connection structure according to an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the structure of an insulating substrate according to an embodiment of the present invention;

[0026] Figure 3 This is a schematic diagram of the internal structure of the mounting cavity according to an embodiment of the present invention;

[0027] Figure 4 This is a cross-sectional view of an insulating substrate according to an embodiment of the present invention;

[0028] Figure 5 This is a schematic diagram of the structure of an elastic conductive element according to an embodiment of the present invention.

[0029] Explanation of icon numbers:

[0030] 1. Insulating substrate; 11. Plug-in end; 12. Mounting cavity; 13. First opening; 14. Second opening; 15. Third opening; 16. Light-transmitting groove; 17. Contact surface; 2. Elastic conductive element; 21. Base; 22. Elastic contact part; 23. Wire harness part; 231. Elastic clamping unit; 2311. Elastic clamping arm; 31. Anti-detachment slot; 32. Anti-detachment tongue; 41. Fixing groove; 42. Fixing protrusion; 51. Limiting protrusion; 52. Limiting slot.

[0031] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0033] To address the problems in the background technology, this utility model proposes a side spring clip-on connection structure for inserting and fixing into the receiving cavity of an LED light strip, comprising:

[0034] An insulating substrate 1 has a plug-in end 11 into which an LED light strip can be inserted, and the insulating substrate 1 has a plurality of mounting cavities 12 inside. The plug-in end 11 has a contact surface 17 for contacting the conductive part of the LED light strip. The contact surface 17 has a first opening 13 communicating with the mounting cavity 12. The lateral surface of the insulating substrate 1 has a second opening 14 communicating with the mounting cavity 12.

[0035] Several elastic conductive elements 2, including a base 21, an elastic contact portion 22, and a wire bundle portion 23,

[0036] The base 21 is fixedly installed in the mounting cavity 12 through the second opening 14;

[0037] The elastic contact portion 22 extends from the base 21 toward the contact surface 17 and at least partially protrudes from the first opening 13. When the plug-in end 11 is inserted into the LED light strip receiving cavity, the elastic contact portion 22 is squeezed by the inner wall of the receiving cavity to generate elastic deformation, forming an interference fit with the receiving cavity to achieve a snap-fit, and at the same time forming an electrical connection with the conductive part of the LED light strip.

[0038] The wire harness 23 is used to contact the core of the external conductor and form a mechanical lock.

[0039] Combined with reference Figures 1 to 5 As shown, in this embodiment, the connection structure includes an insulating substrate 1 and two elastic conductive elements 2. The insulating substrate 1 is generally elongated, with one end serving as a plug-in end 11 for inserting into the LED strip's receiving cavity. The shape of this plug-in end 11 is adapted to the inner wall contour of the LED strip's receiving cavity to ensure smooth insertion without significant gaps. One embodiment of the plug-in end 11 is that the entire outer surface of the insulating substrate 1 constitutes the plug-in end 11 for integral insertion into the receiving cavity; another embodiment is that the front end of the insulating substrate 1 extends to form a narrowed plug-in portion, which constitutes the plug-in end 11. Two mounting cavities 12 are spaced apart along the length of the insulating substrate 1 to accommodate the elastic conductive elements 2. The number of mounting cavities 12 corresponds to the number of conductive parts in the LED strip to accommodate monochrome LED strips; for multi-wire LED strips (such as RGB LED strips), the number of mounting cavities 12 and elastic conductive elements 2 can be increased accordingly.

[0040] The side of the plug-in terminal 11 facing the conductive part of the LED strip is defined as the contact surface 17. A first opening 13 corresponding to the mounting cavity 12 is formed on this contact surface 17. The size of the first opening 13 is designed to allow the elastic contact portion 22 of the elastic conductive element 2 to protrude partially, while limiting its excessive deformation. A second opening 14 communicating with the mounting cavity 12 is formed on the lateral surface of the insulating substrate 1 perpendicular to the contact surface 17. The shape of the second opening 14 is adapted to the overall lateral dimensions of the elastic conductive element 2, serving as a channel for mounting the elastic conductive element 2.

[0041] Figure 5An elastic conductive element 2 according to an embodiment of the present invention is shown. The elastic conductive element 2 is integrally stamped from a highly elastic and highly conductive material such as phosphor bronze or brass, and includes a base 21, an elastic contact portion 22, and a wire harness portion 23. The base 21 has a plate-like structure, and its width forms an interference fit with the inner wall dimension of the mounting cavity 12. After being inserted into the mounting cavity 12 through the second opening 14, this interference fit effectively fixes the elastic conductive element 2, preventing loosening. The elastic contact portion 22 extends from the base 21 towards the contact surface 17, and has an upwardly inclined spring-like structure. An arc-shaped contact head is provided at its end away from the base 21. This contact head protrudes from the contact surface 17 through the first opening 13 and can be squeezed and deformed when inserted into the LED strip receiving cavity, thereby pressing and abutting against the conductive part of the LED strip to establish a reliable electrical connection. The wire harness portion 23 is located on the side of the base 21 away from the elastic contact portion 22. The cable harness 23 can be configured with a clamping structure, meaning it contacts the core of the external conductor through an elastic clamping structure to ensure it does not loosen or fall off during use. Alternatively, it can be configured with a plug-in structure, where it connects to the contact portion of the external conductor via a slot.

[0042] In one possible implementation, the mounting cavity 12 is provided with an anti-detachment groove 31, and the base 21 is provided with an anti-detachment tongue 32 in a corresponding area. When the elastic conductive element 2 is installed into the mounting cavity 12, the anti-detachment tongue 32 is elastically engaged in the anti-detachment groove 31 to prevent the elastic conductive element 2 from dislodging.

[0043] Combined with reference Figure 2 and Figure 5 As shown, in this embodiment, an anti-detachment structure is added to the mounting cavity 12 and the elastic conductive element 2. Specifically, an anti-detachment groove 31 is integrally formed on the inner wall of the mounting cavity 12, on the side facing away from the contact surface 17 (the insertion channel of the elastic conductive element 2), which is in the shape of a rectangular notch. Correspondingly, the base 21 of the elastic conductive element 2, at the position corresponding to the anti-detachment groove 31 of the mounting cavity 12, is integrally bent to form an anti-detachment tongue 32 by a stamping process. This tongue is a cantilevered protrusion structure with elastic recovery force. When assembling the elastic conductive element 2, the operator pushes the base 21 into the mounting cavity 12 through the second opening 14. During the process, the anti-detachment tongue 32 is squeezed by the inner wall of the mounting cavity 12 and undergoes elastic deformation. After the base 21 is fully inserted into the mounting cavity 12, the anti-detachment tongue 32 elastically recovers and accurately engages in the anti-detachment groove 31. At this time, the anti-detachment tongue 32 and the anti-detachment groove 31 form a mechanical limit, restricting the elastic conductive element 2 from detaching along the opening direction of the mounting cavity 12 (the direction where the second opening 14 is located), effectively enhancing the assembly stability of the elastic conductive element 2 and the insulating substrate 1, and ensuring reliable electrical connection during long-term use of the connection structure.

[0044] In one possible implementation, the insulating substrate 1 has a third opening 15 at the rear end of the wire harness portion 23, and the third opening 15 communicates with the mounting cavity 12 to allow external wires to pass through the mounting cavity 12.

[0045] refer to Figure 1 As shown, in this embodiment, a third opening 15 is formed in the rear end region of the insulating substrate 1 corresponding to the wire harness 23. This third opening 15 penetrates the side wall of the insulating substrate 1 and communicates with the mounting cavity 12. Specifically, when the elastic conductive member 2 with the wire is inserted into the mounting cavity 12 through the second opening 14, the third opening 15 provides clearance space for the wire already clamped in the wire harness 23. Since the wire is fixed by the wire harness 23, its extension direction needs to communicate with the outside of the insulating substrate 1. The third opening 15 can guide the wire to be led out from the inside of the mounting cavity 12, preventing the wire from being squeezed and damaged by the assembly structure of the elastic conductive member 2 and the mounting cavity 12. At the same time, it makes the wire routing direction conform to the overall layout of the insulating substrate 1, avoiding affecting the subsequent insertion of the plug-in terminal 11 into the LED light strip receiving cavity.

[0046] In one possible implementation, the wire harness portion 23 includes a plurality of elastic clamping units 231, each elastic clamping unit 231 including elastic clamping arms 2311 symmetrically arranged on both sides of the base portion 21, for the symmetrical elastic clamping arms 2311 to form a radial clamping of the wire through elastic deformation when the wire is inserted.

[0047] refer to Figure 5 As shown, in this embodiment, the wire harness 23 includes two sets of elastic clamping units 231. The two sets of units are distributed at intervals along the length direction of the base 21. Each set of elastic clamping units 231 consists of elastic clamping arms 2311 symmetrically arranged on both sides of the base 21. The elastic clamping arms 2311 and the base 21 are integrally formed with conductive metal material and have an arc-shaped structure that bends inward. Their free ends form openings for wire insertion.

[0048] The elastic clamping arms 2311 have good elasticity, and their inner walls can be provided with fine anti-slip serrations. During actual assembly, the operator can first use tools or manually to move the symmetrical elastic clamping arms 2311 to both sides, opening the clamping arms to a position larger than the diameter of the conductor. Then, the stripped conductor core is placed in the area between the two sets of elastic clamping units 231, ensuring that the conductor axis is parallel to the length direction of the base 21. The clamping arms are then driven to retract inwards from the extended state, forming a uniform radial clamping force on the conductor through the arc-shaped inner wall. The two sets of spaced clamping units fix different positions of the conductor, and together with the anti-slip serrations, effectively restrict conductor movement.

[0049] Compared to existing connection structures, this application achieves lateral mounting of the elastic conductive element 2 through a second opening 14 on the lateral surface of the insulating substrate 1, eliminating the need to reserve installation space on the front of the insulating substrate 1. This significantly optimizes space utilization and greatly reduces the overall structure's dimensions along the insertion direction, making it more suitable for the narrow and elongated housing of LED light strips.

[0050] In one possible implementation, the symmetrically arranged elastic clamping arms 2311 form a fixing groove 41, and the corresponding position of the mounting cavity 12 is provided with a fixing protrusion 42, which is used to limit the elastic conductive element 2 when it is installed into the mounting cavity 12, by embedding the fixing protrusion 42 into the corresponding fixing groove 41.

[0051] Combined with reference Figures 3 to 5 As shown, in this embodiment, to further improve the assembly stability of the elastic conductive element 2 and the insulating substrate 1, a matching structure of fixing groove 41 and fixing protrusion 42 is added. Between the symmetrically arranged elastic clamping arms 2311, adjacent areas of two sets of elastic clamping units 231 enclose and form fixing groove 41, which extends through the base 21 along its length. Correspondingly, a fixing protrusion 42 is integrally formed on the inner wall of the mounting cavity 12 of the insulating substrate 1 at a position corresponding to the fixing groove 41, and the cross-sectional shape of the fixing protrusion 42 perfectly matches the cross-sectional shape of the fixing groove 41. When the elastic conductive element 2 is installed into the mounting cavity 12 from the second opening 14, as the base 21 is gradually pushed in, the fixing protrusion 42 gradually approaches the fixing groove 41 along the installation direction, eventually precisely embedding into the fixing groove 41. At this time, the fixing protrusion 42 and the fixing groove 41 form a mechanical limit through shape matching, effectively restricting the offset of the elastic conductive element 2 and ensuring the alignment accuracy of the elastic contact part 22 and the conductive part of the LED light strip.

[0052] In one possible implementation, the base 21 of the elastic conductive member 2 and the elastic contact portion 22 are integrally formed with an outwardly protruding limiting protrusion 51, and the inner wall of the corresponding area of ​​the mounting cavity 12 is provided with a limiting groove 52, so that when the elastic conductive member 2 is installed into the mounting cavity 12, the limiting protrusion 51 is correspondingly engaged with the limiting groove 52.

[0053] Combined with reference Figure 2 and Figure 5As shown, in this embodiment, to prevent axial displacement of the elastic conductive element 2 inside the mounting cavity 12, a protruding limiting protrusion 51 is integrally formed at the connection position between the base 21 and the elastic contact portion 22 of the elastic conductive element 2 by a stamping process. This protrusion has an arc-shaped protrusion structure, has a certain elastic deformation capability, and its width is adapted to the width of the side of the base 21. Correspondingly, on the inner wall of the mounting cavity 12 of the insulating substrate 1, in the area corresponding to the limiting protrusion 51 after the elastic conductive element 2 is installed, a limiting groove 52 adapted to the shape of the protrusion is provided. The depth of the groove is slightly greater than the protrusion height of the limiting protrusion 51, and the edge of the groove adopts a rounded corner transition design. When the elastic conductive element 2 is pushed into the mounting cavity 12 from the second opening 14, the limiting protrusion 51 is squeezed by the inner wall of the mounting cavity 12 and elastically contracts; when the elastic conductive element 2 is fully installed, the limiting protrusion 51 moves exactly to the position of the limiting groove 52 and elastically resets, accurately locking into the groove.

[0054] In one possible implementation, the insulating substrate 1 has a light-transmitting groove 16 extending along the insertion direction in the middle. The light-transmitting groove 16 penetrates the end face of the insertion end 11 of the insulating substrate 1 and is spaced apart from the mounting cavity 12. This is used to avoid the light-emitting unit in the middle area of ​​the LED light strip when the connecting structure is inserted into the LED light strip receiving cavity.

[0055] Reference Figure 1 As shown, in this embodiment, to avoid the connecting structure obstructing the light-emitting unit of the LED strip, a light-transmitting groove 16 is provided on the insulating substrate 1. The light-transmitting groove 16 is located in the middle of the insulating substrate 1 and extends along the insertion direction of the plug-in end 11. The light-transmitting groove 16 penetrates the end face of the plug-in end 11 of the insulating substrate 1, forming a through channel, and is spaced apart from the mounting cavity 12 inside the insulating substrate 1. The two are separated by the solid part of the insulating substrate 1 to ensure that the structural strength of the mounting cavity 12 is not affected. When the plug-in end 11 of the connecting structure is inserted into the receiving cavity of the LED strip, the light-emitting unit in the middle area of ​​the LED strip can be correspondingly embedded in the light-transmitting groove 16. A certain gap is reserved between the inner wall of the light-transmitting groove 16 and the light-emitting unit to avoid mechanical interference between the two.

[0056] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0057] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A side spring clip-on connection structure for inserting and fixing into the receiving cavity of an LED light strip, characterized in that, include: An insulating substrate has a plug-in end that can be inserted into an LED strip receiving cavity, and the insulating substrate has a plurality of mounting cavities inside. The plug-in end has a contact surface for contacting the conductive part of the LED strip, and the contact surface has a first opening communicating with the mounting cavity. The lateral surface of the insulating substrate has a second opening communicating with the mounting cavity. Several flexible conductive elements, including a base, a flexible contact portion, and a wire bundle portion. The base is fixedly installed in the mounting cavity through the second opening; The elastic contact portion extends from the base toward the contact surface and at least partially protrudes from the first opening. When the plug-in end is inserted into the LED strip receiving cavity, the elastic contact portion is squeezed by the inner wall of the receiving cavity to generate elastic deformation, forming an interference fit with the receiving cavity to achieve a snap-fit, and at the same time forming an electrical connection with the conductive part of the LED strip. The wire harness is used to contact the core of the external conductor and form a mechanical lock.

2. The side spring clip snap-fit ​​connection structure according to claim 1, characterized in that, The mounting cavity is provided with an anti-detachment groove, and the corresponding area of ​​the base is provided with an anti-detachment tongue. When the elastic conductive component is installed into the mounting cavity, the anti-detachment tongue is elastically engaged with the anti-detachment groove to prevent the elastic conductive component from dislodging.

3. The side spring clip snap-fit ​​connection structure according to claim 1, characterized in that, The insulating substrate has a third opening at the rear end of the wire harness portion, and the third opening communicates with the mounting cavity to allow external wires to pass through the mounting cavity.

4. The side spring clip-on connection structure according to claim 1, characterized in that, The wire harness includes several elastic clamping units, each of which includes elastic clamping arms symmetrically arranged on both sides of the base. When the wire is inserted, the symmetrical elastic clamping arms clamp the wire tightly through elastic deformation.

5. The side spring clip snap-fit ​​connection structure according to claim 4, characterized in that, The symmetrically arranged elastic clamping arms form a fixing groove, and the corresponding position of the mounting cavity is provided with a fixing protrusion, which is used to limit the elastic conductive element when it is installed into the mounting cavity.

6. The side spring clip snap-fit ​​connection structure according to claim 1, characterized in that, The base of the elastic conductive component and the connection of the elastic contact portion are integrally formed with an outwardly protruding limiting protrusion. The inner wall of the corresponding area of ​​the mounting cavity is provided with a limiting groove, so that when the elastic conductive component is installed into the mounting cavity, the limiting protrusion is engaged with the limiting groove.

7. The side spring clip-on connection structure according to any one of claims 1 to 6, characterized in that, The insulating substrate has a light-transmitting groove extending along the insertion direction in the middle. The light-transmitting groove penetrates the insertion end face of the insulating substrate and is spaced apart from the mounting cavity. This is used to avoid the light-emitting unit in the middle area of ​​the LED strip when the connecting structure is inserted into the LED strip receiving cavity.

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