Bonding-wire-free hard light bar

Abstract

The utility model provides a wire-bonding-free hard light bar which comprises a power line, a hard light bar aluminum material, an LED circuit board, a diffusion cover, a plug shell, a plug front cover, a contact elastic piece, a conductive piece and a conductive screw, the LED circuit board is pasted on the hard light bar aluminum material, the end portion of the LED circuit board is provided with a conductive bonding pad, and the conductive bonding pad is connected with the diffusion cover. The contact elastic piece and the conductive piece are embedded into the plug shell, the plug front cover is in butt joint with one end of the plug shell, and the other end of the plug shell is in butt joint with the hard light bar aluminum material. The LED lamp has the advantages that the wire of the power line can be clamped by the contact elastic piece, the contact elastic piece can be communicated with the LED circuit board through the conductive piece and the conductive screw, during installation, only the wire of the power line needs to be inserted, welding is not needed, welding-wire-free installation is achieved, and the installation difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to a lighting device, in particular to a hard light bar without welding wires. Background Art

[0002] When assembling traditional rigid light strips, the power cord needs to be soldered to the circuit board, which makes installation more troublesome.

[0003] Therefore, how to provide a hard light bar without soldering wires to reduce the difficulty of installation is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the invention

[0004] In order to solve the problems in the prior art, the utility model provides a hard light bar without welding wires.

[0005] The utility model provides a hard light bar without soldering wires, comprising a power cord, a hard light bar aluminum material, an LED circuit board, a diffusion cover, a plug shell, a plug front cover, a contact spring, a conductive sheet and a conductive screw, wherein the LED circuit board is pasted on the hard light bar aluminum material, and the end of the LED circuit board is provided with a conductive pad, the contact spring and the conductive sheet are respectively embedded in the plug shell, the plug front cover is connected to one end of the plug shell, and the other end of the plug shell is connected to the hard light bar aluminum material, the conductive screw passes through the contact spring and the conductive sheet and contacts with the conductive pad of the LED circuit board, the wire of the power cord is inserted into the plug front cover and clamped by the contact spring, the diffusion cover is installed on the hard light bar aluminum material, the diffusion cover and the hard light bar aluminum material are enclosed to form a lamp cavity, and the LED circuit board is located within the lamp cavity.

[0006] As a further improvement of the utility model, the contact spring includes a vertical flat plate portion, a bending pressure foot, a conductive top plate, a guide boss and a conductive step. The vertical flat plate portion is provided with a socket for inserting the power cord. The bending pressure foot is bent from the bottom of the vertical flat plate portion, and the bending pressure foot is inclined. The conductive top plate is bent from the top of the vertical flat plate portion. The conductive top plate is perpendicular to the vertical flat plate portion. The end of the conductive top plate is bent to form the conductive step. The guide boss is bent from the side of the conductive top plate, and the guide boss is located above the conductive top plate.

[0007] As a further improvement of the utility model, the bending presser foot is located below the conductive top plate, and the conductor of the power cord is inserted into the plug front cover and clamped between the bending presser foot and the conductive top plate.

[0008] As a further improvement of the present invention, the angle between the bending presser foot and the vertical flat plate portion is an acute angle, and the end of the bending presser foot points to the conductive top plate.

[0009] As a further improvement of the utility model, a fixing groove is provided on the plug shell, and the guide boss is inserted into the fixing groove of the plug shell, and the guide boss is L-shaped.

[0010] As a further improvement of the utility model, a threaded hole for the conductive screw to pass through is provided on the conductive step, and the conductive sheet is arranged between the conductive step and the conductive pad of the LED circuit board.

[0011] As a further improvement of the utility model, the step surface of the conductive step is parallel to the conductive top plate, and the step surface of the conductive step is lower than the conductive top plate.

[0012] As a further improvement of the present invention, conductive sheet slots for inserting the conductive sheet are respectively provided on the left and right sides of the plug shell.

[0013] As a further improvement of the present invention, guide bone positions are respectively provided on the left and right sides of the plug shell, and guide bone position slots matching with the guide bone positions are respectively provided on the left and right sides of the hard light bar aluminum material.

[0014] As a further improvement of the present invention, the left and right sides of the diffusion cover are respectively connected with the inner side walls of the left and right sides of the hard light bar aluminum material by snap-fitting.

[0015] The beneficial effect of the utility model is that through the above scheme, the conductor of the power cord can be clamped by the contact spring sheet, and the contact spring sheet can be connected to the LED circuit board through the conductive sheet and the conductive screw. During installation, it is only necessary to insert the conductor of the power cord without welding, thus realizing welding-free installation and reducing the difficulty of installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other solutions can be obtained based on these drawings without paying creative work.

[0017] Figure 1 The utility model is a three-dimensional schematic diagram of a hard light bar without welding wires.

[0018] Figure 2 The utility model is an exploded schematic diagram of a rigid light bar without soldering wires.

[0019] Figure 3 The utility model is a cross-sectional schematic diagram of a rigid light bar without soldering wires.

[0020] Figure 4The utility model is a partial cross-sectional enlarged schematic diagram of a rigid light bar without soldering wires.

[0021] Figure 5 The utility model is a schematic diagram of a hard light bar aluminum material of a hard light bar without welding wires.

[0022] Figure 6 The utility model is a schematic diagram of an LED circuit board of a hard light bar without soldering wires.

[0023] Figure 7 The utility model is a schematic diagram of a plug front cover of a hard light bar without welding wires.

[0024] Figure 8 The utility model is a schematic diagram of a contact spring of a hard light bar without welding wires.

[0025] Fig. 9 The utility model is a schematic diagram of a conductive sheet of a rigid light bar without soldering wires.

[0026] Fig.10 The utility model is a schematic diagram of a plug shell of a hard light bar without welding wires.

[0027] Fig.11 The utility model is a schematic diagram of a plug shell of a hard light bar without welding wires.

[0028] Fig.12 The utility model is a schematic diagram of a plug shell of a hard light bar without welding wires.

[0029] Fig.13 The utility model is a schematic diagram of inserting a contact spring piece of a hard light bar without welding wires into a plug shell.

[0030] Fig.14 The utility model is a cross-sectional schematic diagram of a contact spring piece and a plug shell of a hard light bar without welding wires.

[0031] Fig.15 The utility model is a schematic diagram of a plug front cover of a hard light bar without welding wires being inserted into a plug shell.

[0032] Fig.16 The utility model is a schematic diagram of installing a conductive screw of a hard light bar without welding wires into a plug shell.

[0033] Fig.17 The utility model is a cross-sectional schematic diagram of a conductive screw and a plug shell of a hard light bar without welding wires.

[0034] Fig.18 It is a partial cross-sectional enlarged schematic diagram of a rigid light bar without soldering wires of the utility model. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0036] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0039] like Figures 1 to 18 As shown, a hard light bar without soldering wires includes a power cord 1, a hard light bar aluminum material 2, an LED circuit board 3, a diffusion cover 4, a plug shell 7, a plug front cover 5, a contact spring 6, a conductive sheet 8, a conductive screw 9 and a plug tail 10.

[0040] The diffusion cover 4 is preferably a PC diffusion cover.

[0041] The conductive screw 9 is preferably a copper screw.

[0042] The LED circuit board 3 is pasted on the hard light strip aluminum material 2, a conductive pad 3-2 is provided at the end of the LED circuit board 3, an LED light ball is provided on the front of the LED circuit board 3, and a sticky tape 3-1 is pasted on the back of the LED circuit board 3. The sticky tape 3-1 on the back of the LED circuit board 3 is torn off and pasted on the middle of the hard light strip aluminum material 2, which is convenient to install.

[0043] The contact spring piece 6 and the conductive sheet 8 are respectively embedded in the plug shell 7, the plug front cover 5 is connected to one end of the plug shell 7, and the other end of the plug shell 7 is connected to the hard light strip aluminum material 2, and the conductive screw 9 passes through the contact spring piece 6 and the conductive sheet 8 and contacts the conductive pad 3-2 of the LED circuit board 2.

[0044] The conductor 1-1 of the power cord 1 is inserted into the plug front cover 5 and clamped by the contact spring 6, the diffuser cover 4 is installed on the hard light bar aluminum material 2, the diffuser cover 4 and the hard light bar aluminum material 2 are enclosed to form a lamp cavity, and the LED circuit board 3 is located inside the lamp cavity.

[0045] The contact spring 6 includes a vertical flat plate portion 6-1, a bending pressure foot 6-5, a conductive top plate 6-4, a guide boss 6-2 and a conductive step 6-3.

[0046] The vertical flat plate portion 6-1 is provided with a socket 6-1-1 for inserting the power cord 1.

[0047] The bending presser foot 6-5 is bent from the bottom of the vertical flat plate portion 6-1, and the bending presser foot 6-5 is arranged at an angle.

[0048] The conductive top plate 6 - 4 is bent from the top of the upright flat plate portion 6 - 1 , and the conductive top plate 6 - 4 is perpendicular to the upright flat plate portion 6 - 1 .

[0049] The end of the conductive top plate 6 - 4 is bent to form the conductive step 6 - 3 .

[0050] The guide boss 6 - 2 is formed by bending from the side of the conductive top plate 6 - 4 , and the guide boss 6 - 2 is located above the conductive top plate 6 - 4 .

[0051] The bending presser foot 6-5 is located below the conductive top plate 6-4, and the conductor 1-1 of the power cord 1 is inserted into the plug front cover 5 and clamped between the bending presser foot 6-5 and the conductive top plate 6-4.

[0052] The included angle between the bending presser foot 6-5 and the vertical flat plate portion 6-1 is an acute angle, and the end of the bending presser foot 6-5 points to the conductive top plate 6-4.

[0053] The plug shell 7 is provided with a fixing groove 7 - 6 , and the guide boss 6 - 2 is inserted into the fixing groove 7 - 6 of the plug shell 7 , and the guide boss 6 - 2 is L-shaped.

[0054] The conductive step 6 - 3 is provided with a threaded hole 6 - 3 - 3 for the conductive screw 9 to pass through, and the conductive sheet 8 is arranged between the conductive step 6 - 3 and the conductive pad 3 - 2 of the LED circuit board 3 .

[0055] The step surface of the conductive step 6 - 3 is parallel to the conductive top plate 6 - 4 , and the step surface of the conductive step 6 - 3 is lower than the conductive top plate 6 - 4 .

[0056] The left and right sides of the plug shell 7 are respectively provided with conductive sheet slots 7 - 3 for inserting the conductive sheet 8 .

[0057] The left and right sides of the plug shell 7 are respectively provided with guide bone positions 7-2, and the left and right sides of the hard light bar aluminum material 2 are respectively provided with guide bone position slots 2-2 matched with the guide bone positions 7-2.

[0058] The left and right sides of the diffusion cover 4 are respectively connected to the inner wall of the left and right sides of the hard light strip aluminum material 2 by snap-fitting. The inner wall of the left and right sides of the hard light strip aluminum material 2 is provided with a slot 2-1, and the left and right sides of the diffusion cover 4 are provided with snap-fitting with the slot 2-1.

[0059] A through hole 5-1 is provided on the front side of the plug front cover 5, and a guide column 5-2 and a positioning column 5-3 are provided on the back side. The through hole 5-1 is for inserting the power cord 1, and the guide column 5-2 and the positioning column 5-3 are respectively plugged into the plug shell 7. The plug shell 7 is provided with a guide groove 7-4 that cooperates with the guide column 5-2, and the plug shell 7 is provided with a positioning hole 7-5 that cooperates with the positioning column 5-3.

[0060] The conductive sheet 8 is provided with a threaded hole 8 - 1 for the conductive screw 9 to pass through.

[0061] The plug shell 7 is provided with two through holes 7 - 1 for the conductive screws 9 to pass through.

[0062] The utility model provides a hard light bar without soldering wires, which uses two conductive screws 9 to lock into the threaded holes 6-3-3 of the conductive step 6-3 of the contact spring 6, and the conductive screws 9 pass through the conductive sheet 8. Then the plug shell 7 is inserted into the end of the aluminum material 2 of the hard light bar, and then the conductive screws 9 are locked so that the conductive screws 9 contact the conductive pad 3-2 of the LED circuit board 3. Then the wire 1-1 of the power cord 1 is inserted into the front cover 5 of the plug. The wire 1-1 will push the bending pressure foot 6-5 of the contact spring 6 to deform. When the wire 1-1 is completely pushed to the conductive top plate 6-4 of the contact spring 6, the bending pressure foot 6-5 has resilience. At this time, the wire 1-1 can be stuck in the contact spring 6, thereby ensuring the conduction between the power cord 1 and the contact spring 6. During installation, only the wire of the power cord needs to be inserted, and no welding is required, thereby realizing soldering wire-free installation and reducing the difficulty of installation.

[0063] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A rigid light bar without soldering wires, characterized in that: It includes a power cord, a hard light strip aluminum material, an LED circuit board, a diffusion cover, a plug shell, a plug front cover, a contact spring, a conductive sheet and a conductive screw, wherein the LED circuit board is pasted on the hard light strip aluminum material, and a conductive pad is provided at the end of the LED circuit board, and the contact spring and the conductive sheet are respectively embedded in the plug shell, the plug front cover is connected with one end of the plug shell, and the other end of the plug shell is connected with the hard light strip aluminum material, the conductive screw passes through the contact spring and the conductive sheet and contacts with the conductive pad of the LED circuit board, the wire of the power cord is inserted into the plug front cover and clamped by the contact spring, the diffusion cover is installed on the hard light strip aluminum material, the diffusion cover and the hard light strip aluminum material enclose a lamp cavity, and the LED circuit board is located inside the lamp cavity.

2. The solder-free hard light bar according to claim 1, characterized in that: The contact spring comprises a vertical flat plate portion, a bending pressure foot, a conductive top plate, a guide boss and a conductive step. The vertical flat plate portion is provided with a socket for inserting the power cord. The bending pressure foot is bent from the bottom of the vertical flat plate portion and is inclined. The conductive top plate is bent from the top of the vertical flat plate portion. The conductive top plate is perpendicular to the vertical flat plate portion. The end of the conductive top plate is bent to form the conductive step. The guide boss is bent from the side of the conductive top plate and is located above the conductive top plate.

3. The solder-free hard light bar according to claim 2, characterized in that: The bending presser foot is located below the conductive top plate, and the conductor of the power line is inserted into the plug front cover and clamped between the bending presser foot and the conductive top plate.

4. The wire-free rigid light bar according to claim 2, characterized in that: The included angle between the bending presser foot and the vertical flat plate portion is an acute angle, and the end of the bending presser foot points to the conductive top plate.

5. The solder-free hard light bar according to claim 2, characterized in that: The plug shell is provided with a fixing groove, the guide boss is inserted into the fixing groove of the plug shell, and the guide boss is L-shaped.

6. The solder-free hard light bar according to claim 2, characterized in that: The conductive step is provided with a threaded hole for the conductive screw to pass through, and the conductive sheet is arranged between the conductive step and the conductive pad of the LED circuit board.

7. The wire-free rigid light bar according to claim 2, characterized in that: The step surface of the conductive step is parallel to the conductive top plate, and the step surface of the conductive step is lower than the conductive top plate.

8. The solder-free hard light bar according to claim 1, characterized in that: The left and right sides of the plug shell are respectively provided with conductive sheet slots for inserting the conductive sheet.

9. The solder-free hard light bar according to claim 1, characterized in that: The left and right sides of the plug shell are respectively provided with guide bone positions, and the left and right sides of the hard light bar aluminum material are respectively provided with guide bone position slots that match the guide bone positions.

10. The solder-free hard light bar according to claim 1, characterized in that: The left and right sides of the diffusion cover are respectively connected with the inner side walls of the left and right sides of the hard light bar aluminum material by snap-fitting.

Images