Automobile touch rear top lamp

Abstract

The utility model relates to the technical field of automobile lighting, in particular to an automobile touch rear top lamp which comprises a top lamp shell, touch lamp glass is arranged at one end of the top lamp shell, an operation hole for one side of the touch lamp glass to penetrate through is formed in the middle of one end of the top lamp shell, and a bottom cover is attached to the other end of the top lamp shell. A mounting groove is formed in one side of the bottom cover, a PCBA assembly is arranged in the mounting groove, a placing groove is formed in the middle of the other side of the touch lamp glass, an FPC touch piece is arranged on the PCBA assembly, and one end of the FPC touch piece is arranged in the placing groove. According to the automobile rear top lamp, the principle of on-off of a switch is achieved, the automobile rear top lamp can be lightened conveniently, operation is convenient, the top lamp shell and the reinforcing columns are fixed through the screwing effect of the positioning bolts and the screwing grooves, the effect that the top lamp shell and the bottom cover are assembled conveniently is achieved, meanwhile, the stability of the touch lamp glass in the whole rear top lamp is guaranteed, and the service life of the touch lamp glass is prolonged. And the whole rear ceiling lamp can be disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile lighting, in particular to a touch-sensitive rear dome lamp for an automobile. Background Art

[0002] The automobile lighting system is one of the essential systems for safe driving of automobiles. It mainly includes external lighting fixtures, internal lighting fixtures, external signal lamps, internal signal lamps, etc. Among them, the rear dome light is a kind of interior lighting fixture of the automobile, which provides lighting for the interior of the car.

[0003] After searching, the patent publication number CN217124666U is a car interior rear ceiling light, which includes a button, a base, a control panel, an indicator light, a lighting panel, a fixing seat, a press seat, a reflective bowl, a lampshade and an upper cover; a lamp panel fixing frame is provided on the base; the control panel is fixed on the base, and the button is installed on the control panel; the indicator light is installed on the control panel; the lighting panel is installed on the lamp panel fixing frame and is electrically connected to the control panel; the lighting lamp is installed on the lighting panel; the fixing seat is installed on the base; the press seat is movably located on the top of the fixing seat; the top of the reflective bowl is fixed on the press seat and movably inserted into the fixing seat, and the bottom of the reflective bowl is located above the lighting lamp; the lampshade is fixed on the top of the press seat and is a transparent cover; the upper cover is fixed on the top of the fixing seat, and the lampshade is movably inserted into the panel hole of the upper cover.

[0004] In the process of implementing the above solution, it was found that the following problems existed in the prior art and were not well solved: the shell and the bottom cover of the automobile rear dome light were fixed by a clip-on fixation method. During disassembly and assembly, the clips were tightly locked and easily broken, which made it difficult to disassemble the entire rear dome light and difficult to fix the rear dome light during subsequent assembly. Therefore, it is urgent to design a touch rear dome light for automobile to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a touch-sensitive rear dome light for a car to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A touch rear dome light for an automobile includes a dome light housing, wherein a touch light glass is provided at one end of the dome light housing, and an operating hole for passing one side of the touch light glass is provided at a middle position of one end of the dome light housing; a bottom cover is attached to the other end of the dome light housing, and a mounting groove is provided on one side of the bottom cover, a PCBA assembly is provided in the mounting groove, a placement groove is provided at the middle position of the other side of the touch light glass, and an FPC touch sheet is provided on the PCBA assembly, one end of the FPC touch sheet is provided inside the placement groove, positioning holes are provided at four corners of the touch light glass, and mounting holes are provided at one end of the dome light housing at equal distances in a ring, the positions of the mounting holes correspond to the positions of the positioning holes, reinforcement columns are fixed to one side of the bottom cover, and a positioning column is fixed to one end of each reinforcement column, the cross-section of the positioning column and the cross-section of the mounting hole are both designed to be T-shaped, and one end of the positioning column is clamped inside the positioning hole, one end of each positioning column is provided with a screw groove, and a positioning bolt is inserted into the inside of the mounting hole, and the positioning bolt is screwed into the screw groove.

[0008] Furthermore, a first card slot is provided on both sides of the other end of the ceiling light housing, and a first card seat is fixed on one side of the bottom cover and inserted into the first card slot. A second card slot is provided on the top and bottom of the other end of the ceiling light housing, and a second card seat is fixed on one side of the bottom cover and inserted into the second card slot.

[0009] Furthermore, a wiring hole is provided in the middle of the bottom cover, and a wiring tube is fixed on one side of the wiring hole.

[0010] Furthermore, a plurality of buckles are fixed on the other side of the bottom cover.

[0011] Furthermore, an annular groove is formed on the inner wall of the operating hole, and a sealing ring is clamped on the inner wall of the annular groove, and the sealing ring is attached to the outer wall of the touch lamp glass.

[0012] Furthermore, a limiting hole is provided on the touch lamp glass, and a limiting column is fixed on the inner wall of one end of the ceiling lamp housing and is engaged in the limiting hole.

[0013] Furthermore, the circumferential inner wall of the ceiling light housing is provided with heat dissipation grooves distributed in an annular shape at equal distances, and heat dissipation holes are provided on one end of the heat dissipation groove and the outer wall of one end of the ceiling light housing, and heat dissipation fins are fixed on the top of the inner wall of the heat dissipation groove.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] In this utility model, the entire car touch-type rear dome light structure is formed by the coordination of the dome light housing, touch light glass, PCBA assembly, FPC touch sheet, bottom cover, etc. When a finger touches the lighting area of the touch light glass, the FPC touch sheet attached to the back of the touch light glass will sense the change in capacitance. At this time, the capacitance change information is transmitted to the touch IC on the PCBA assembly. The touch IC processes the signal through an algorithm, realizing the principle of on-off switching, making it easy to light up the car's rear dome light and convenient to operate.

[0016] In the present invention, the coordination of the dome light housing, the touch light glass, the bottom cover, the positioning bolts, the reinforcement column, the positioning column, the mounting hole, the positioning hole, and the screw groove enables the positioning column to be engaged with the positioning hole on the touch light glass when the dome light housing and the bottom cover are assembled. At this time, the dome light housing and the reinforcement column are fixed by the screw connection between the positioning bolts and the screw groove, thereby facilitating the assembly of the dome light housing and the bottom cover, ensuring the stability of the touch light glass within the entire rear dome light, and realizing the ability to disassemble the entire rear dome light.

[0017] In the utility model, the dome lamp housing, heat dissipation holes, heat dissipation grooves and heat dissipation fins are provided, so that the heat dissipation inside the rear dome lamp of the automobile can be easily achieved under the action of the heat dissipation fins, heat dissipation grooves and heat dissipation holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a schematic diagram of the overall structure of a touch-sensitive rear dome light for a car.

[0019] Figure 2 This is an exploded view of a car's touch-sensitive rear dome light.

[0020] Figure 3 The figure is an overall cross-sectional view of a touch-sensitive rear dome light for a car.

[0021] Figure 4 The diagram is a structural diagram of a limiting column and annular groove for a touch rear dome light of a car.

[0022] Figure 5 The diagram is a structural diagram of the placement slot and positioning hole of a touch rear dome light of a car.

[0023] Figure 6 The diagram is a structural diagram of a reinforcement column and screw groove for a touch rear dome light of an automobile.

[0024] In the figure: 1. Ceiling light housing; 2. Touch light glass; 3. Heat dissipation hole; 4. Bottom cover; 5. Buckle; 6. Operation hole; 7. Positioning bolt; 8. Sealing ring; 9. First slot; 10. Heat dissipation fin; 11. PCBA assembly; 12. Reinforcement column; 13. First socket; 14. Mounting slot; 15. Second socket; 16. Positioning column; 17. FPC touch piece; 18. Second slot; 19. Mounting hole; 20. Wiring tube; 21. Limiting column; 22. Annular groove; 23. Heat dissipation groove; 24. Placement groove; 25. Limiting hole; 26. Positioning hole; 27. Screw groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example 1

[0027] See also Figures 1-6In the embodiment of the utility model, a car touch rear dome light comprises a dome light housing 1, a touch light glass 2 is provided at one end of the dome light housing 1, and an operation hole 6 for the touch light glass 2 to pass through is opened in the middle position of one end of the dome light housing 1, a limit hole 25 is opened on the touch light glass 2, and a limit column 21 is fixed on the inner wall of one end of the dome light housing 1 and is clamped in the limit hole 25, the other end of the dome light housing 1 is fitted with a bottom cover 4, and a mounting groove 14 is opened on one side of the bottom cover 4, and a PCBA component 11 is arranged in the mounting groove 14, and the touch light A placement groove 24 is provided in the middle of the other side of the glass 2, and an FPC touch sheet 17 is provided on the PCBA assembly 11. One end of the FPC touch sheet 17 is provided inside the placement groove 24. Positioning holes 26 are provided at the four corners of the touch lamp glass 2, and mounting holes 19 are provided at one end of the top light housing 1 with equal distances and annular distribution. The positions of the mounting holes 19 correspond to the positions of the positioning holes 26. One side of the bottom cover 4 is fixed with reinforcement columns 12 with equal distances and annular distribution, and one end of the reinforcement column 12 is fixed with a positioning column 16. The positioning column 1 The cross section of the 6 and the cross section of the mounting hole 19 are both designed to be T-shaped, and one end of the positioning column 16 is clamped in the interior of the positioning hole 26. One end of the positioning column 16 is provided with a screw groove 27, and the interior of the mounting hole 19 is plugged with a positioning bolt 7, which is screwed into the screw groove 27. The entire car touch-type rear dome light structure is composed of the dome light housing 1, the touch light glass 2, the PCBA assembly 11, the FPC touch sheet 17, the bottom cover 4, etc. When a finger touches the lighting area of the touch light glass 2, the FPC attached to the back of the touch light glass 2 The PC touch sheet 17 will sense the change in capacitance and transmit the capacitance change information to the touch IC on the PCBA assembly 11. The touch IC will output the signal through algorithm processing to realize the principle of on-off switching, which is convenient for lighting the rear dome light of the car. The dome light housing 1 and the reinforcement column 12 are fixed by the screw connection between the positioning bolt 7 and the screw groove 27, which facilitates the assembly of the dome light housing 1 and the bottom cover 4, and also ensures the stability of the touch lamp glass 2 in the entire rear dome light, realizing the performance of disassembling the entire rear dome light.

[0028] Specifically, first card slots 9 are provided on both sides of the other end of the ceiling light housing 1, and a first card seat 13 inserted into the first card slot 9 is fixed on one side of the bottom cover 4. Second card slots 18 are provided on the top and bottom of the other end of the ceiling light housing 1, and a second card seat 15 inserted into the second card slot 18 is fixed on one side of the bottom cover 4. When the ceiling light housing 1 and the bottom cover 4 are fitted together, the first card seat 13 is inserted into the first card slot 9, and the second card seat 15 is inserted into the second card slot 18, thereby ensuring the stability of the connection between the ceiling light housing 1 and the bottom cover 4.

[0029] Specifically, a wiring hole is opened in the middle of the bottom cover 4, and a wiring tube 20 is fixed on one side of the wiring hole, and a plurality of buckles 5 are fixed on the other side of the bottom cover 4, which facilitates the wiring operation of the rear dome light of the car.

[0030] Specifically, an annular groove 22 is formed on the inner wall of the operating hole 6, and a sealing ring 8 is clamped on the inner wall of the annular groove 22. The sealing ring 8 is attached to the outer wall of the touch lamp glass 2. The sealing ring 8 ensures the sealing between the operating hole 6 and the touch lamp glass 2, preventing external dust from entering the rear dome light of the car and affecting its normal operation.

[0031] Example 2

[0032] See also Figure 2 and Figure 4 , which is different from Example 1, the circumferential inner wall of the dome light housing 1 is provided with heat dissipation grooves 23 distributed in an annular manner at equal distances, and heat dissipation holes 3 are provided on one end of the heat dissipation grooves 23 and the outer wall of one end of the dome light housing 1, and heat dissipation fins 10 are fixed to the top of the inner wall of the heat dissipation grooves 23. Under the action of the heat dissipation fins 10, the heat dissipation grooves 23 and the heat dissipation holes 3, the interior of the rear dome light of the car can be easily dissipated.

[0033] The working principle of the present invention is as follows: the user places the touch lamp glass 2 into the operating hole 6 of the dome light housing 1, so that the limiting column 21 is inserted into the limiting hole 25 of the touch lamp glass 2, and then the dome light housing 1 is fitted with the bottom cover 4, so that the first clamping seat 13 is clamped in the first clamping groove 9, and the second clamping seat 15 is clamped in the second clamping groove 18. At this time, the positioning column 16 is clamped in the positioning hole 26 on the touch lamp glass 2, and the dome light housing 1 and the reinforcement column 12 are fixed by the screw connection of the positioning bolt 7 and the screw groove 27, so as to facilitate the assembly of the entire car rear dome light. When operating, the user touches the lighting area of the touch lamp glass 2 with his finger, so that the FPC touch sheet 17 attached to the back of the touch lamp glass 2 senses the change in capacitance. At this time, the capacitance change information is transmitted to the touch IC on the PCBA assembly 11, and the touch IC outputs the signal through algorithm processing, realizing the principle of switching on and off, which is convenient for lighting the car rear dome light.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention.

Claims

1. A car touch rear dome light, comprising a dome light housing (1), characterized in that: A touch light glass (2) is provided at one end of the ceiling light housing (1), and an operation hole (6) for one side of the touch light glass (2) to pass through is provided in the middle position of one end of the ceiling light housing (1), a bottom cover (4) is attached to the other end of the ceiling light housing (1), and a mounting groove (14) is provided on one side of the bottom cover (4), a PCBA component (11) is provided in the mounting groove (14), a placement groove (24) is provided in the middle position of the other side of the touch light glass (2), and an FPC touch sheet (17) is provided on the PCBA component (11), one end of the FPC touch sheet (17) is provided inside the placement groove (24), and positioning holes (26) are provided at the four corners of the touch light glass (2), and One end of the ceiling lamp housing (1) is provided with mounting holes (19) distributed in an annular shape at equal distances, and the positions of the mounting holes (19) correspond to the positions of the positioning holes (26). One side of the bottom cover (4) is fixed with reinforcement columns (12) distributed in an annular shape at equal distances, and one end of each reinforcement column (12) is fixed with a positioning column (16). The cross section of each positioning column (16) and the cross section of each mounting hole (19) are both designed to be T-shaped, and one end of each positioning column (16) is clamped in the interior of the positioning hole (26). One end of each positioning column (16) is provided with a screw groove (27), and a positioning bolt (7) is inserted into the interior of each mounting hole (19), and the positioning bolt (7) is screwed into the screw groove (27).

2. The touch-sensitive rear dome light for a car according to claim 1, characterized in that: The other end of the ceiling light housing (1) is provided with first card slots (9) on both sides, and a first card seat (13) inserted into the first card slot (9) is fixed on one side of the bottom cover (4). The other end of the ceiling light housing (1) is provided with second card slots (18) on the top and bottom, and a second card seat (15) inserted into the second card slot (18) is fixed on one side of the bottom cover (4).

3. The touch-sensitive rear dome light for a car according to claim 2, characterized in that: A wiring hole is provided in the middle of the bottom cover (4), and a wiring tube (20) is fixed on one side of the wiring hole.

4. The touch-sensitive rear dome light for a car according to claim 3, characterized in that: A plurality of buckles (5) are fixed to the other side of the bottom cover (4).

5. The touch-sensitive rear dome light for a car according to claim 1, characterized in that: An annular groove (22) is provided on the inner wall of the operating hole (6), and a sealing ring (8) is clamped on the inner wall of the annular groove (22), and the sealing ring (8) is attached to the outer wall of the touch lamp glass (2).

6. The touch-sensitive rear dome light for a car according to claim 5, characterized in that: A limiting hole (25) is provided on the touch lamp glass (2), and a limiting column (21) is fixed on the inner wall of one end of the ceiling lamp housing (1) and is engaged in the limiting hole (25).

7. The automobile touch rear dome light according to claim 1, characterized in that: The circumferential inner wall of the ceiling light housing (1) is provided with heat dissipation grooves (23) distributed in an annular manner at equal distances, and heat dissipation holes (3) are provided on one end of the heat dissipation grooves (23) and on the outer wall of one end of the ceiling light housing (1), and heat dissipation fins (10) are fixed to the top of the inner wall of the heat dissipation grooves (23).

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