COB welding-free support

Abstract

The utility model relates to the field of LED illumination, in particular to a COB welding-free support, a light source hole is formed in one side of a substrate, a first mounting hole is formed in the other side of the substrate, the light source hole is communicated with the first mounting hole, and two metal splicing pins are arranged on the substrate and located in the first mounting hole, so that when a COB body is mounted through the first mounting hole, the COB body can be mounted through the first mounting hole. The LED light source of the COB body faces the light source hole, and the positive electrode and the negative electrode of the COB body can be communicated with the two metal splicing pins in the first mounting hole respectively; the two metal splicing pins and the two connectors are arranged on the substrate, and the corresponding metal splicing pins and the connectors are electrically connected through the via holes formed in the substrate, so that the two connectors can be used for being connected with a power supply, and current is conducted to the COB body. Therefore, the LED light source can emit light, the light is emitted from the light source hole and then passes through an optical lens or a reflection cup installed in the second installation hole, the COB support can be prevented from being welded to the positive electrode and the negative electrode of the COB body through wires, and the welding workload is reduced.

Description

Technical Field

[0001] The utility model relates to the field of LED lighting, in particular to a COB welding-free bracket. Background Art

[0002] The COB brackets commonly used in downlights, spotlights and other lamps on the market currently have the following problems:

[0003] Before use, the positive and negative poles of the COB body must be welded with wires so that the COB body can be powered by the wires, and then the COB body and lens or reflector cup are fixed to the radiator using a COB bracket. The process of welding the COB body will consume a lot of manpower. Utility Model Content

[0004] The utility model aims to overcome the disadvantages of the prior art COB bracket that the positive and negative electrodes of the COB body need to be welded by wires, which results in a large welding workload, and provide a COB welding-free bracket.

[0005] In a first aspect, the utility model provides a COB welding-free bracket, comprising:

[0006] A substrate, wherein a conducting hole is provided in the substrate, a first mounting hole for mounting a COB body is provided on one side of the substrate, and a light source hole is provided on the other side of the substrate, the light source hole is connected to the first mounting hole, the LED light source of the COB body can be arranged corresponding to the light source hole, and the LED light source can be emitted from the light source hole;

[0007] Two connectors are arranged on the substrate, and the two connectors are used to connect to a power source;

[0008] Two metal pins are arranged on the substrate and located in the first mounting hole, the metal pins are electrically connected to the corresponding connector through the conducting hole, and the two metal pins are used to conduct the positive and negative electrodes of the COB body respectively;

[0009] A second mounting hole is provided through the substrate, and the second mounting hole is used to mount an optical lens or a reflective cup on the substrate at one side of the light source hole;

[0010] The screw hole is penetrated and arranged in the substrate.

[0011] Among them, each metal pin corresponds to a connector.

[0012] In this scheme, a light source hole is provided on one side of the substrate and a first mounting hole is provided on the other side. The light source hole and the first mounting hole are connected, and two metal pins are provided on the substrate and located in the first mounting hole, so that when the COB body is installed through the first mounting hole, the LED light source of the COB body faces the light source hole, and the positive and negative poles of the COB body can be respectively connected with the two metal pins in the first mounting hole; and the two metal pins and two connectors are provided on the substrate, and the corresponding metal pins and connectors are electrically connected through the conducting holes provided in the substrate, so that the two connectors can be used to connect the power supply and conduct the current to the COB body, so that the LED light source can emit light and emit from the light source hole and then pass through the optical lens or reflective cup installed in the second mounting hole. This structure can avoid welding the COB bracket to the positive and negative poles of the COB body through wires, thereby reducing the welding workload; and the substrate is provided with screw holes, and the entire COB welding-free bracket can be directly fixed to the radiator through screw connection, thereby avoiding the need to weld the COB bracket to the radiator.

[0013] Preferably, the substrate is a PCB board.

[0014] Preferably, the substrate comprises:

[0015] A first substrate, wherein the light source hole is provided through the first substrate, the connector and the metal pin are both provided on the first substrate, the through hole is provided in the first substrate, and the connector and the metal pin are located inside and outside the first mounting hole;

[0016] The first substrate is located at one side of the second substrate, the first substrate and the second substrate are an integrated structure, and the first mounting hole is penetrated through the second substrate.

[0017] The substrate includes a first substrate and a second substrate, wherein the first substrate is located on one side of the second substrate, and the first substrate and the second substrate are an integrated structure with good structural integrity, which is convenient for setting the light source hole and the first mounting hole. The light source hole is set through the first substrate, and the connector and the metal pin are both set on the first substrate. The first mounting hole is set through the second substrate, which is convenient for setting the metal pin on the inner side of the first mounting hole. The metal pin is located on the inner side of the first mounting hole, which is convenient for conducting with the positive and negative poles of the COB body. The connector is located on the outer side of the first mounting hole, which is convenient for connecting with a power source. The conduction hole is set in the first substrate, which is convenient for electrically connecting the connector and the metal pin.

[0018] Preferably, the light source hole is adapted to the LED light source, the first mounting hole is larger than the light source hole, and the light source hole corresponds to the middle of the first mounting hole.

[0019] The first mounting hole is larger than the light source hole, and the light source hole corresponds to the middle of the first mounting hole, which is convenient for the arrangement of two metal pins on the first substrate. The light source hole is adapted to the LED light source and can emit more light.

[0020] Preferably, the first mounting hole is provided with at least one pair of mounting notches, each pair of the mounting notches are arranged diagonally, and each pair of the mounting notches corresponds to the diagonal corners of the COB body of the restricted rectangle.

[0021] By means of the diagonally arranged mounting notches, the diagonals of the COB body can be better limited, thereby ensuring that the COB body is stably installed in the first mounting hole.

[0022] Preferably, the mounting notch includes two first arc-shaped portions concave inwardly and one second arc-shaped portion convex outwardly, the second arc-shaped portion is connected between the two first arc-shaped portions, the first arc-shaped portion is used to contact the side of the COB body, and the second arc-shaped portion corresponds to the corner tip of the COB body.

[0023] The two inwardly concave first arc portions correspond to the two side edges of the corners of the rectangular COB body, which can improve the installation stability of the COB body in the first mounting hole. The second arc portions correspond to the corner tips of the rectangular COB body, which can reduce the stress on the corner tips of the rectangular COB body and facilitate the installation and disassembly of the COB body.

[0024] Preferably, the second mounting hole comprises:

[0025] a pair of fixing holes, the two fixing holes are arranged diagonally, and the fixing holes penetrate the first substrate and the second substrate;

[0026] A pair of positioning holes, the two positioning holes are arranged diagonally, and the positioning holes pass through the first substrate and the second substrate.

[0027] A pair of diagonally arranged positioning holes can position the optical lens or reflective cup, making it easy to fix the optical lens or reflective cup on the COB solder-free bracket through the fixing holes; and a pair of diagonally arranged fixing holes can ensure the installation stability of the optical lens or reflective cup fixed on the COB solder-free bracket.

[0028] Preferably, the positioning hole is a special-shaped cross-section, so that the positioning is more accurate.

[0029] and / or,

[0030] A step is provided at the position where the fixing hole passes through the first substrate, and the cross-sectional size of the fixing hole passing through the first substrate is smaller than the cross-sectional size of the fixing hole passing through the second substrate. The end of the fixing part of the optical lens or the reflective cup is restricted by the fixing hole portion with a step and a smaller cross-sectional size, so that the fixing ability is stronger.

[0031] Preferably, the metal pin includes a spring sheet, so that the spring sheet can be squeezed when the COB body is installed in the first mounting hole, so that the positive and negative poles of the spring sheet and the COB body have stronger contact stability.

[0032] Preferably, the light source hole has a circular cross-section and can be adapted to a circular LED light source.

[0033] Compared with the prior art, the utility model has the following beneficial effects:

[0034] The utility model provides a COB soldering-free bracket, which is provided with a light source hole on one side of a substrate and a first mounting hole on the other side, the light source hole and the first mounting hole are connected, and two metal pins are arranged on the substrate and located in the first mounting hole, so that when the COB body is installed through the first mounting hole, the LED light source of the COB body faces the light source hole, and the positive and negative poles of the COB body can be respectively connected with the two metal pins in the first mounting hole; the two metal pins and two connectors are arranged on the substrate, and the corresponding metal pins and connectors are electrically connected through the conducting holes provided in the substrate, so that the two connectors can be used to connect the power supply, and the current is conducted to the COB body, so that the LED light source can emit light and emit from the light source hole and then pass through the optical lens or reflective cup installed in the second mounting hole. This structure can avoid welding the COB bracket to the positive and negative poles of the COB body through wires, thereby reducing the welding workload; and the substrate is provided with screw holes, and the entire COB soldering-free bracket can be directly fixed to the radiator through screw connection, thereby avoiding the need to weld the COB bracket to the radiator. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of the COB welding-free bracket described in the utility model.

[0036] Figure 2 It is a front view schematic diagram of the COB welding-free bracket described in the utility model;

[0037] Figure 3 It is a rear view schematic diagram of the COB welding-free bracket described in the utility model;

[0038] Figure 4 It is a left side schematic diagram of the COB welding-free bracket described in the utility model;

[0039] Figure 5This is a schematic diagram of the COB welding-free bracket of the utility model after the COB body is installed;

[0040] Figure 6 This is a front view schematic diagram of the COB welding-free bracket of the utility model after the COB body is installed;

[0041] Figure 7 It is a rear view schematic diagram of the COB welding-free bracket after the COB body is installed.

[0042] Markings in the figure: 1. substrate; 11. first substrate; 111. light source hole; 12. second substrate; 121. first mounting hole; 1211. mounting notch; 2. connector; 3. metal pin; 41. positioning hole; 42. screw hole; 43. fixing hole; 431. step; 5. COB body; 51. LED light source. DETAILED DESCRIPTION

[0043] The present invention is further described in detail below in conjunction with specific embodiments. However, this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0044] Unless otherwise specified, in the description of the specific embodiments of the present utility model, the expression terms indicating the orientation or position relationship such as "upper", "lower", "left", "right", "center", "inside", "outside", etc. are all based on the expression of the orientation or position relationship shown in the drawings, or the orientation or position relationship when the product / equipment / device of the utility model is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the utility model or simplifying the description in the specific embodiments, so that technicians can quickly understand the scheme, rather than indicating or implying that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present utility model.

[0045] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the solution of the utility model.

[0046] In addition, the expressions “first”, “second”, “third”, etc., which appear in the terms, are merely used to distinguish the description of the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0047] In addition, in the description of the embodiments of the present invention, "several", "multiple" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.

[0048] In addition, in the description of the technical solution of the utility model, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal communication of two components.

[0049] Example 1

[0050] This embodiment provides a COB solder-free bracket. Figure 1-Figure 7 , including: a substrate 1, two connectors 2, and two metal pins 3, wherein each metal pin 3 corresponds to one connector 2.

[0051] The substrate 1 is provided with a conducting hole, one side of the substrate 1 is provided with a first mounting hole 121 for mounting the COB body 5, and the other side of the substrate 1 is provided with a light source hole 111, the light source hole 111 is connected with the first mounting hole 121, the LED light source 51 of the COB body 5 can be arranged corresponding to the light source hole 111, and the LED light source 51 can be emitted from the light source hole 111;

[0052] like Figure 1-Figure 3 As shown, the substrate 1 is provided with a second mounting hole and a screw hole 42, the second mounting hole is penetrated and arranged on the substrate 1, and the second mounting hole is used to install an optical lens or a reflective cup on the substrate 1 on the side of the light source hole 111; the screw hole 42 is penetrated and arranged on the substrate 1, and the screw hole can fix the COB solder-free bracket to the lamp radiator;

[0053] Two connectors 2 are arranged on the substrate 1, and the two connectors 2 are used to connect the power supply; two metal pins 3 are arranged on the substrate 1 and located in the first mounting hole 121, and the metal pins 3 are electrically connected to the corresponding connectors 2 through the conductive holes.

[0054] The two metal pins 3 are used to conduct the positive and negative electrodes of the COB body 5 respectively. That is, the two connectors 2 are connected to the power supply to supply power to the COB body.

[0055] In this scheme, if Figure 2 and Figure 3 As shown, a light source hole 111 is provided on one side of the substrate 1, and a first mounting hole 121 is provided on the other side. The light source hole 111 and the first mounting hole 121 are connected, and two metal pins 3 are provided on the substrate 1 and located in the first mounting hole 121, so that when the COB body 5 is installed through the first mounting hole 121, as shown in FIG. Figure 7 As shown, the LED light source 51 of the COB body 5 faces the light source hole 111; and the positive and negative electrodes of the COB body 5 can be connected to the two metal pins 3 in the first mounting hole 121 respectively, as shown in FIG. Figure 6 as shown; Figure 1 and Figure 2As shown, two metal pins 3 and two connectors 2 are arranged on the substrate 1, and the corresponding metal pins 3 and connectors 2 are electrically connected through the conductive holes provided in the substrate 1, so that the two connectors 2 can be used to connect the power supply, and the current can be conducted to the COB body 5, and then the LED light source 51 can emit light and emit from the light source hole 111 and then pass through the optical lens or reflective cup installed through the second mounting hole. This structure can avoid welding the COB bracket to the positive and negative poles of the COB body through wires, reducing the welding workload; and the substrate 1 is provided with screw holes 42, which can directly fix the entire COB solder-free bracket on the radiator through screw connections, avoiding the need to weld the COB bracket to the radiator. The radiator, optical lens or reflective cup, conductive holes, power supply, and positive and negative poles of the COB body mentioned in this embodiment are not Figure 1-Figure 7 The optical lens or reflective cup is installed on Figure 3 On the front side, the via hole is located inside the substrate 1, and the positive and negative electrodes of the COB body are located Figure 6 The COB body 5 in the embodiment faces the side of the light source hole 111 .

[0056] In one or more embodiments, the substrate 1 is a PCB board, which is beneficial to the connection of the metal pins of the connector.

[0057] In an optional embodiment, if Figure 1-Figure 7 As shown, the substrate 1 includes: a first substrate 11 and a second substrate 12, wherein the first substrate 11 is located on one side of the second substrate 12. Figure 4 As shown, the first substrate 11 and the second substrate 12 are in a left-right relationship, and the first substrate 11 and the second substrate 12 are an integral structure with good structural integrity, which facilitates the arrangement of the light source hole 111 and the first mounting hole 121 .

[0058] like Figure 1 As shown, the light source hole 111 is set through the first substrate 11, the connector 2 and the metal pin 3 are both set on the first substrate 11, and the first mounting hole 121 is set through the second substrate 12, so that the metal pin 3 can be set inside the first mounting hole 121. The metal pin 3 is located inside the first mounting hole 121, which is convenient for conducting with the positive and negative poles of the COB body 5. The connector 2 is located outside the first mounting hole 121, which is convenient for connecting with the power supply. The conductive hole is set in the first substrate 11, which is convenient for electrically connecting the connector 2 and the metal pin 3.

[0059] In an optional embodiment, if Figure 1 and Figure 2As shown, the first mounting hole 121 is larger than the light source hole 111, and the light source hole 111 corresponds to the middle of the first mounting hole 121, which facilitates the arrangement of the two metal pins 3 on the first substrate 11. Figure 7 As shown, the light source hole 111 is adapted to the LED light source 51 and can emit more light.

[0060] In an optional embodiment, if Figure 2 and Figure 6 As shown, the first mounting hole 121 is provided with at least one pair of mounting notches 1211, each pair of the mounting notches 1211 is arranged diagonally, and each pair of the mounting notches 1211 corresponds to the diagonal corners of the COB body 5 of the restricted rectangle. The diagonally arranged mounting notches 1211 can better limit the diagonal corners of the COB body 5, ensuring the stable installation of the COB body 5 in the first mounting hole 121. Further, as Figure 2 and Figure 6 As shown, the mounting notch 1211 may include two first arc-shaped portions concave inwardly and a second arc-shaped portion convex outwardly, the second arc-shaped portion being connected between the two first arc-shaped portions, the first arc-shaped portion being used to contact the side edges of the COB body 5, the two first arc-shaped portions concave inwardly corresponding to the two side edges of the corners of the rectangular COB body 5, which can improve the installation stability of the COB body 5 in the first mounting hole 121; the second arc-shaped portion corresponds to the corner tips of the COB body 5, which can reduce the stress on the corner tips of the rectangular COB body 5 and facilitate the installation and disassembly of the COB body 5.

[0061] In one or more embodiments, Figure 1-Figure 4 As shown, the second mounting hole includes: a pair of fixing holes 43 and a pair of positioning holes 41;

[0062] The two fixing holes 43 are arranged diagonally, and the fixing holes 43 pass through the first substrate 11 and the second substrate 12. A pair of diagonally arranged fixing holes 43 can ensure the installation stability of the optical lens or reflective cup fixed on the COB solder-free bracket.

[0063] The two positioning holes 41 are diagonally arranged, and the positioning holes 41 pass through the first substrate 11 and the second substrate 12. A pair of diagonally arranged positioning holes 41 can position the optical lens or the reflective cup, so as to facilitate fixing the optical lens or the reflective cup on the COB solder-free bracket through the fixing holes 43.

[0064] In an optional embodiment, if Figure 2 and Figure 3 As shown, the positioning hole 41 has a special-shaped cross-section, which makes positioning more accurate.

[0065] In an optional embodiment, if Figure 2 and Figure 3 As shown, the position where the fixing hole 43 passes through the first substrate 11 is provided with a step 431, and the cross-sectional dimension of the fixing hole 43 passing through the first substrate 11 is smaller than the cross-sectional dimension of the fixing hole 43 passing through the second substrate 12. The fixing hole 43 with the step 431 and the smaller cross-sectional dimension is used to limit the end of the fixing part of the optical lens or the reflective cup, and the fixing ability is stronger. That is, the fixing part of the optical lens or the reflective cup is limited from Figure 2 Insert at the front Figure 3 Front, because the fixings are Figure 3 The front part is farther from the optical lens or the reflective cup and is provided with a step 431 , so that the cross-sectional dimension of the fixing hole 43 penetrating the first substrate 11 is smaller than the cross-sectional dimension of the fixing hole 43 penetrating the second substrate 12 , thereby improving the fixing effect.

[0066] In one or more embodiments, Figure 1 and Figure 2 As shown, the metal pin 3 includes a spring sheet, which is tilted from the first substrate 11 to the second substrate 12, so that when the COB body 5 is installed in the first mounting hole 121, the COB body 5 enters the first mounting hole 121 from the second substrate 12 to the first substrate 11, which can squeeze the spring sheet, so that the positive and negative poles of the spring sheet and the COB body 5 are more stable in contact.

[0067] In one or more embodiments, Figure 2 and Figure 3 As shown, the light source hole 111 has a circular cross-section and can be adapted to a circular LED light source 51 .

[0068] In this embodiment, the COB solder-free bracket is a substrate 1 on which a connector 2 and a metal pin 3 are integrated. The connector and the metal pin 3 are electrically connected through the conductive hole in the substrate 1. The COB body 5 can be installed in the first mounting hole 121 on one side of the substrate 1, so that the positive and negative poles of the COB body 5 can be connected to the metal pin 3, and the LED light source 51 of the COB body 5 can transmit light from the light source hole 111 on the other side of the substrate 1, and the second mounting hole of the substrate 1 can be installed with an optical lens or a reflective cup, that is, the COB body and the lens or the reflective cup can be fixed, and then the COB body and the lens or the reflective cup are fixed to the radiator as a whole through the screw hole 42. At the same time, the COB body and the power supply can be connected through the connector 2 in the COB solder-free bracket. After the power cord is inserted into the connector, the current passes through the connector and the metal pin 3, and the current is passed to the COB body, the COB body is powered, and the COB body is lit, thereby avoiding soldering at the positive and negative poles of the COB body, reducing the soldering process, avoiding manpower, and improving production efficiency.

[0069] Using the COB solder-free bracket of this embodiment, the COB body is mounted on the COB solder-free bracket at the screw hole position by locking the screws to form an integrated module fixed on the heat sink of lamps such as downlights and spotlights, and then the lens, reflector and integrated module are fixed through the positioning hole and the fixing hole, and then the connector is connected through the power wire to light up the COB body. In this embodiment, the fixing hole of the optical lens (or reflector cup) and the conduction hole of the LED light source and the welding wire are centrally designed on a PCB board, which can simplify the assembly process of lighting fixtures (such as downlights and spotlights).

[0070] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A COB welding-free bracket, characterized in that: include: A substrate (1), wherein a conducting hole is provided in the substrate (1), a first mounting hole (121) for mounting a COB body (5) is provided on one side of the substrate (1), and a light source hole (111) is provided on the other side of the substrate (1), the light source hole (111) and the first mounting hole (121) are connected, an LED light source (51) of the COB body (5) can be arranged corresponding to the light source hole (111), and the LED light source (51) can be emitted from the light source hole (111); Two connectors (2) are arranged on the substrate (1), and the two connectors (2) are used to connect a power source; Two metal pins (3) are arranged on the substrate (1) and located in the first mounting hole (121); the metal pins (3) are electrically connected to the corresponding connector (2) through the conducting hole; the two metal pins (3) are used to respectively conduct the positive and negative electrodes of the COB body (5); A second mounting hole, penetrating the substrate (1), the second mounting hole being used to mount an optical lens or a reflective cup on the substrate (1) at a side of the light source hole (111); A screw hole (42) is provided through the base plate (1).

2. A COB welding-free bracket according to claim 1, characterized in that: The substrate (1) is a PCB board.

3. A COB welding-free bracket according to claim 2, characterized in that: The substrate (1) comprises: A first substrate (11), the light source hole (111) is arranged through the first substrate (11), and the connector (2) and the metal pin (3) are both arranged on the first substrate (11), the conducting hole is arranged in the first substrate (11), and the connector (2) and the metal pin (3) are located inside and outside the first mounting hole (121); A second substrate (12), wherein the first substrate (11) is located on one side of the second substrate (12), the first substrate (11) and the second substrate (12) are an integrated structure, and the first mounting hole (121) is arranged through the second substrate (12).

4. A COB welding-free bracket according to claim 3, characterized in that: The light source hole (111) is adapted to the LED light source (51), the first mounting hole (121) is larger than the light source hole (111), and the light source hole (111) corresponds to the middle of the first mounting hole (121).

5. A COB welding-free bracket according to claim 4, characterized in that: The first mounting hole (121) is provided with at least one pair of mounting notches (1211), each pair of the mounting notches (1211) is arranged diagonally, and each pair of the mounting notches (1211) corresponds to the diagonal corner of the COB body (5) that is restricted in shape.

6. A COB welding-free bracket according to claim 5, characterized in that: The mounting notch (1211) comprises two first arc-shaped portions concave inwardly and one second arc-shaped portion convex outwardly, wherein the second arc-shaped portion is connected between the two first arc-shaped portions, the first arc-shaped portion is used to contact the side of the COB body (5), and the second arc-shaped portion corresponds to the corner tip of the COB body (5).

7. The COB welding-free bracket according to claim 3, characterized in that: The second mounting hole comprises: a pair of fixing holes (43), the two fixing holes (43) being arranged diagonally, and the fixing holes (43) passing through the first substrate (11) and the second substrate (12); A pair of positioning holes (41), the two positioning holes (41) are arranged diagonally, and the positioning holes (41) penetrate the first substrate (11) and the second substrate (12).

8. A COB welding-free bracket according to claim 7, characterized in that: The positioning hole (41) is a special-shaped cross section; and / or, The position where the fixing hole (43) passes through the first substrate (11) is provided with a step (431). The cross-sectional dimension of the portion penetrating the first substrate (11) is smaller than the cross-sectional dimension of the portion of the fixing hole (43) penetrating the second substrate (12).

9. A COB welding-free bracket according to any one of claims 1 to 8, characterized in that: The metal stitching needle (3) comprises a spring piece.

10. A COB welding-free bracket according to any one of claims 1 to 8, characterized in that: The light source hole (111) has a circular cross section.

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