Automobile tail lamp convenient to assemble
By combining a sliding groove, a bayonet, a locking block, and a bevel gear system, the stability problem of the circuit board of the automotive taillight under vibration conditions is solved, realizing automatic pressing and fixing of the circuit board and convenient disassembly, thus improving the functional reliability of the taillight.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-03-27
AI Technical Summary
Under high-frequency vibration conditions, existing automotive taillights are prone to micro-displacement between the elastic sheet and the circuit board, leading to intermittent power outages or signal abnormalities, affecting the reliability of taillight functions, and are especially prone to loosening on bumpy roads.
The circuit board is automatically pressed and fixed by a combination of a slide groove, a bayonet, a locking block, a drive plate, a sliding plate, a sliding rod, and a spring structure. The inclined surface of the locking block guides the circuit board, and the bevel gear and lead screw system facilitates the disassembly and maintenance of the circuit board.
It improves the stability of the circuit board and the functional reliability of the taillight, ensures the stable fixation of the circuit board under vibration conditions, and simplifies the disassembly and maintenance process of the circuit board.
Smart Images

Figure CN224050191U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lighting lamps and lanterns design technical field, especially a kind of automobile tail light convenient to assemble. BACKGROUND
[0002] LED tail light is a kind of innovative brake light and tail light using long time LED light source.Bulb is made of diode, brightness is higher than ordinary bulb, and reaction speed is fast, with the progress of LED technology, more and more in car begin to use bulb made of LED.Due to the advantages of LED material, such as environmental protection and energy saving, high efficiency, long life, light color pure, halogen bulb will be gradually replaced.
[0003] The patent with the publication number CN202813164U discloses a kind of automobile tail light convenient to assemble, comprising: annular support frame;Fixed in the circuit board of the support frame;Face light source installed on the circuit board and lampshade covered on the face light source.The utility model discloses automobile tail light convenient to assemble, compact structure, easy to assemble, as automobile tail light use, can reach the brightness and range required, long service life.
[0004] Applicant finds that the above-mentioned patent mainly relies on elastic sheet to fix circuit board, but high-frequency vibration in vehicle driving can cause micro-displacement between elastic sheet and circuit board, leading to intermittent power failure or signal anomaly, affecting tail light function reliability, especially when vehicle drives in bumpy section, prone to impact, leading to elastic sheet loosening, based on this, we propose a kind of automobile tail light convenient to assemble to improve. SUMMARY
[0005] The utility model discloses a kind of automobile tail light convenient to assemble to solve the shortcomings in prior art.
[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of automobile tail light convenient to assemble, including lamp frame, circuit board and lamp plate, the lamp plate is fixedly installed on circuit board, the installation slot is set up in the lamp frame, the adjusting groove is set up in the bottom plate middle part of the lamp frame, the sliding slot is set up in the circular ring plate body of the lamp frame, the inner wall of the installation slot is set up with the bayonet, the bayonet is slidably connected with the clamping block, the sliding slot is slidably connected with the sliding plate, the clamping block and sliding plate are fixedly connected with spring, one end of the clamping block is fixedly connected with slide rod, the other end of the slide rod is connected with the pressing plate and is fixedly connected with the pressing plate, the spring is movably connected in the outer end of slide rod;
[0007] The mounting shaft is rotatably connected between the upper and lower inner walls of the adjusting groove, and the outer wall of the mounting shaft is fixedly connected with a bevel gear I and a bevel gear II respectively.
[0008] Through the above technical scheme, the device can automatically press and fix the circuit board by using multiple clamping blocks, and compared with the elastic sheet press-fixing, the stability can be effectively improved, and the reliability of the tail lamp function is improved.
[0009] As a further description of the above technical scheme:
[0010] The upper end face of the clamping block is made of a bevel structure.
[0011] Through the above technical scheme, the upper end face of the clamping block protruding into the clamping hole is made of a bevel structure, which facilitates the pressing of the circuit board and automatically presses the clamping block into the clamping hole.
[0012] As a further description of the above technical scheme:
[0013] The number of the sliding grooves and the clamping holes is multiple, and the number of the multiple sliding grooves and the multiple clamping holes is the same, and the multiple clamping holes are evenly distributed on the inner wall of the mounting groove.
[0014] Through the above technical scheme, it is ensured that the clamping blocks in the multiple clamping holes can press the circuit board from multiple positions, and the stability of the circuit board during use is ensured.
[0015] As a further description of the above technical scheme:
[0016] The driving plate is slidingly connected in the bottom plate of the lamp frame, and the maximum sliding distance of the driving plate is greater than the width of the sliding groove.
[0017] Through the above technical scheme, it is ensured that when the driving plate drives the sliding plate to slide, the clamping block can be fully retracted into the clamping hole under the cooperation of the sliding rod and the pressing plate.
[0018] As a further description of the above technical scheme:
[0019] The adjusting cap penetrates the outer wall of the lamp frame, and an internal hexagonal groove is formed in the outer wall of the adjusting cap.
[0020] Through the technical scheme, the hexagonal wrench can be sleeved to rotate the driving shaft.
[0021] Further description of the technical scheme is as follows:
[0022] The outer wall of the driving shaft is fixedly connected with a damping rotating shaft, and the damping rotating shaft is rotationally connected in the lamp frame.
[0023] Through the technical scheme, the damping rotating shaft is used to improve the rotating friction of the driving shaft, so that the driving shaft is prevented from rotating randomly in the lamp frame.
[0024] Further description of the technical scheme is as follows:
[0025] The number of the lead screws is multiple, and the number of the lead screws is same as the number of the sliding grooves.
[0026] Through the technical scheme, the bevel gear II is used to rotate the multiple driven bevel gears, so that the multiple lead screws are driven to rotate, and the multiple driving plates are controlled to move.
[0027] The utility model has the advantages of the following beneficial effects:
[0028] Compared with the prior art, the automobile tail lamp convenient to assemble is matched with the sliding groove, the bayonet, the clamping block, the driving plate, the sliding plate, the spring structure, and the circuit board can be directly pressed down when the circuit board is installed, the clamping block is gradually pressed down under the guidance of the inclined surface of the clamping block, the multiple clamping blocks are retracted into the bayonet, the spring between the clamping block and the sliding plate is compressed, and the clamping block is popped out to fix the circuit board under the reset force of the spring after the installation of the circuit board is completed.
[0029] Compared with the prior art, the automobile tail lamp convenient to assemble is matched with the adjusting groove, the pressing plate, the lead screw, the mounting shaft, the bevel gear I, the bevel gear II, the driven bevel gear, the driving bevel gear, the driving shaft and the adjusting cap, the driving shaft can be rotated by the hexagonal wrench sleeved in the adjusting cap when the circuit board needs to be disassembled and maintained in the later period, the driving bevel gear is driven to rotate, the bevel gear I is driven to rotate, the bevel gear II is driven to rotate through the mounting shaft in reverse, the multiple driven bevel gears are driven to rotate, the multiple driving plates are controlled to move through the rotation of the multiple lead screws, and the multiple sliding plates are driven to slide in the sliding groove under the cooperation of the pressing plate, the clamping block is retracted into the bayonet through the sliding plate and the spring structure, and the circuit board is conveniently removed. BRIEF DESCRIPTION OF DRAWINGS
[0030] Figure 1 The utility model provides an external structure diagram of the automobile tail lamp convenient to assemble.
[0031] Figure 2 The utility model provides an internal structure diagram of automobile tail light convenient to assemble is provided;
[0032] Figure 3 The utility model provides a protruding structure diagram of automobile tail light convenient to assemble's clamping block is provided;
[0033] Figure 4 The utility model provides a contraction structure diagram of automobile tail light convenient to assemble's clamping block is provided;
[0034] Figure 5 For Figure 4 The structure enlarged view of A in the middle.
[0035] Legend:
[0036] 1, lamp frame;2, mounting groove;3, circuit board;4, lamp plate;5, spring;6, adjusting groove;7, sliding groove;8, bayonet;9, clamping block;10, drive plate;11, sliding plate;12, sliding rod;13, pressing plate;14, screw;15, mounting shaft;16, bevel gear one;17, bevel gear two;18, driven bevel gear;19, driving bevel gear;20, drive shaft;21, adjusting cap;22, damping rotating shaft. Specific embodiments
[0037] Referring to Figures 1-5 The utility model provides a kind of automobile tail light convenient to assemble: including lamp frame 1, circuit board 3 and lamp plate 4, lamp plate 4 is fixedly installed on circuit board 3, mounting groove 2 is set up in lamp frame 1, adjusting groove 6 is set up in the bottom plate middle part of lamp frame 1, sliding groove 7 is set up in the circular ring plate body of lamp frame 1, bayonet 8 is set up on the inner wall of mounting groove 2, clamping block 9 is slidably connected in bayonet 8, sliding plate 11 is slidably connected in sliding groove 7, spring 5 is fixedly connected between clamping block 9 and sliding plate 11, spring 5 can be in compression state when clamping block 9 moves to bayonet 8, and drive clamping block 9 reset after the lack of compression, one end of clamping block 9 is fixedly connected with sliding rod 12, the other end of sliding rod 12 is connected with pressing plate 13 and is fixedly connected with the sliding plate 11, spring 5 is movably connected at the outer end of sliding rod 12.
[0038] Through the above technical scheme, the device can utilize multiple clamping blocks 9 to automatically press and fix circuit board 3, compared with the stability that elastic sheet press and fix can be effectively improved, improve the reliability of tail light function.
[0039] The mounting shaft 15 is rotationally connected between the upper and lower inner walls of the adjusting groove 6, the outer wall of the mounting shaft 15 is fixedly connected with the bevel gear one 16 and the bevel gear two 17 respectively, the bottom plate of the lamp frame 1 is rotationally connected with the lead screw 14 near the mounting groove 2, one end of the lead screw 14 penetrates through the adjusting groove 6 and is fixedly connected with the driven bevel gear 18, the other end of the lead screw 14 is threadedly connected with the driving plate 10, the driven bevel gear 18 is engaged with the bevel gear two 17, by the engagement relationship, the diameter of the bevel gear two 17 is greater than that of the driven bevel gear 18, so that the bevel gear two 17 can drive the plurality of driven bevel gears 18 to rotate, the mounting shaft 15 can drive the lead screw 14 to rotate, the other end of the driving plate 10 penetrates through the sliding groove 7 and is fixedly connected with the sliding plate 11, the bottom plate of the lamp frame 1 is rotationally connected with the driving shaft 20 away from the mounting groove 2, one end of the driving shaft 20 is fixedly connected with the adjusting cap 21, the other end of the driving shaft 20 penetrates through the adjusting groove 6 and is fixedly connected with the driving bevel gear 19, the bevel gear one 16 is engaged with the driving bevel gear 19, by the engagement relationship, the driving shaft 20 can drive the mounting shaft 15 to rotate.
[0040] By the above technical scheme, the device can drive the mounting shaft 15 to rotate by the driving shaft 20 under the condition that the driving shaft 20 rotates, cooperate the driving bevel gear 19 with the bevel gear one 16, and the bevel gear two 17 with the plurality of driven bevel gears 18, control the driving plate 10 to move by driving the lead screw 14 to rotate, and then move the pressing plate 13 by the sliding plate 11, and then retract the clamping block 9 into the clamping hole 8 by the sliding rod 12, so as to facilitate disassembly and maintenance of the circuit board 3.
[0041] The clamping hole 8 is in communication with the sliding groove 7, the upper end face of the clamping block 9 is made of a bevel structure, and the part of the clamping block 9 protruding from the upper end face of the clamping hole 8 is also made of a bevel structure, so as to facilitate pressing the circuit board 3 and automatically pressing the clamping block 9 into the clamping hole 8.
[0042] The number of the sliding grooves 7 and the clamping holes 8 is multiple, and the number of the plurality of sliding grooves 7 and the plurality of clamping holes 8 is the same, and the plurality of clamping holes 8 are evenly distributed on the inner wall of the mounting groove 2, so as to ensure that the clamping block 9 in the plurality of clamping holes 8 can press the circuit board 3 from multiple positions, and ensure the stability of the circuit board 3 in use.
[0043] The driving plate 10 is slidingly connected in the bottom plate of the lamp frame 1, and the maximum sliding distance of the driving plate 10 is greater than the width of the sliding groove 7, so as to ensure that the driving plate 10 can drive the sliding plate 11 to slide under the cooperation of the sliding rod 12 and the pressing plate 13, and drive the clamping block 9 to fully retract into the clamping hole 8.
[0044] The adjusting cap 21 penetrates through the outer wall of the lamp frame 1, and a hexagonal recess is formed in the outer wall of the adjusting cap 21, so as to facilitate the hexagonal wrench to be inserted and twisted to drive the driving shaft 20 to rotate.
[0045] The outer wall of the driving shaft 20 is fixedly connected with a damping rotating shaft 22, which is rotatably connected in the lamp frame 1, and the damping rotating shaft 22 is used to increase the rotating friction of the driving shaft 20, so as to avoid the random rotation of the driving shaft 20 in the lamp frame 1.
[0046] The number of the lead screws 14 is multiple, and the number of the lead screws 14 is same as the number of the sliding grooves 7, the multiple driven bevel gears 18 are driven to rotate by the second bevel gear 17, so as to drive the multiple lead screws 14 to rotate, and then control the multiple driving plates 10 to move.
[0047] Working principle: when installing, the circuit board 3 is aligned with the installation slot 2 and is pressed down, under the action of the pressure, the clamping block 9 will automatically move into the clamping hole 8, and then press the spring 5, after the circuit board 3 is pressed to the bottom to complete the installation, under the action of the spring 5, the clamping block 9 will be popped out and pressed on the outer wall of the circuit board 3 to fix it, so that the assembly of the circuit board 3 can be conveniently completed, when disassembling and repairing in the later period, the driving shaft 20 is driven to rotate by the hexagonal wrench sleeve adjusting cap 21, then the driving plate 10 is driven to move by the multiple lead screws 14, then the sliding plate 11 is driven to move, under the cooperation of the pressing plate 13, the clamping block 9 is moved to the clamping hole 8 by the sliding rod 12, so as to remove the multiple clamping blocks 9 on the outer wall of the circuit board 3, and then the circuit board 3 is conveniently taken out for repair.
[0048] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A car tail lamp which is easy to assemble, comprising a lamp frame (1), a circuit board (3) and a lamp plate (4), wherein the lamp plate (4) is fixedly installed on the circuit board (3), characterized in that: The lamp frame (1) is provided with an installation groove (2), the middle of the bottom plate of the lamp frame (1) is provided with an adjusting groove (6), the inner ring plate body of the lamp frame (1) is provided with a sliding groove (7), the inner wall of the installation groove (2) is provided with a bayonet (8), the bayonet (8) is slidably connected with a clamping block (9), the sliding groove (7) is slidably connected with a sliding plate (11), the clamping block (9) and the sliding plate (11) are fixedly connected with a spring (5), one end of the clamping block (9) is fixedly connected with a sliding rod (12), the other end of the sliding rod (12) penetrates through the sliding plate (11) and is fixedly connected with a pressing plate (13), and the spring (5) is movably connected to the outer end of the sliding rod (12). The upper and lower inner walls of the adjusting groove (6) are rotatably connected with an installation shaft (15), the outer wall of the installation shaft (15) is fixedly connected with a bevel gear one (16) and a bevel gear two (17) respectively, the bottom plate of the lamp frame (1) is rotatably connected with a lead screw (14) near the position of the installation groove (2), one end of the lead screw (14) penetrates through the adjusting groove (6) and is fixedly connected with a driven bevel gear (18), the other end of the lead screw (14) is threadedly connected with a driving plate (10), the driven bevel gear (18) is engaged with the bevel gear two (17), the other end of the driving plate (10) penetrates through the sliding groove (7) and is fixedly connected with the sliding plate (11), and the bottom plate of the lamp frame (1) is rotatably connected with a driving shaft (20) on the side away from the installation groove (2), one end of the driving shaft (20) is fixedly connected with an adjusting cap (21), the other end of the driving shaft (20) penetrates through the adjusting groove (6) and is fixedly connected with a driving bevel gear (19), and the bevel gear one (16) is engaged with the driving bevel gear (19).
2. The automobile tail lamp of claim 1, wherein: The bayonet (8) is in communication with the inside of the sliding groove (7), and the upper end face of the clamping block (9) is made of an inclined surface structure.
3. The easily assembled automotive tail lamp as claimed in claim 1 wherein: The number of the sliding groove (7) and the bayonet (8) is multiple, and the number of the multiple sliding grooves (7) and the multiple bayonets (8) is the same, and the multiple bayonets (8) are evenly distributed on the inner wall of the installation groove (2).
4. The easily assembled automotive tail lamp as claimed in claim 1 wherein: The driving plate (10) is slidably connected in the bottom plate of the lamp frame (1), and the maximum sliding distance of the driving plate (10) is greater than the width of the sliding groove (7).
5. The easily assembled automotive tail lamp as claimed in claim 1 wherein: The adjusting cap (21) penetrates through the outer wall of the lamp frame (1), and an internal hexagonal groove is formed in the outer wall of the adjusting cap (21).
6. The easily assembled automotive tail lamp as claimed in claim 1 wherein: The outer wall of the driving shaft (20) is fixedly connected with a damping rotating shaft (22), and the damping rotating shaft (22) is rotatably connected in the lamp frame (1).
7. The easily assembled automotive tail lamp as claimed in claim 1 wherein: The number of the lead screw (14) is multiple, and the number of the multiple lead screws (14) is the same as the number of the multiple sliding grooves (7).
Citation Information
Patent Citations
Convenient-to-assemble automobile tail light
CN202813164U