Screw-in car lights

Abstract

The utility model relates to the technical field of automobile lamps, and in particular to a self-screwing automobile lamp, comprising a lamp bead and a lamp holder, wherein a clamping protrusion is arranged at the bottom of the lamp bead, and the lamp holder comprises a wiring plate, wherein a sleeve for plugging the lamp bead is arranged at the upper part of the wiring plate, and a guide groove corresponding to the position of the clamping protrusion is arranged on the side wall of the sleeve, and a positioning groove for fixing the clamping protrusion is arranged at the lower end of the guide groove, and a transition arc is arranged at the connection between the guide groove and the positioning groove. By utilizing the design of the guide groove, the positioning groove and the transition arc, the position conversion of the lamp bead in the downward pressing process can be realized by guiding the clamping protrusion during installation, and the function of automatic screwing in and fixing can be realized, so as to facilitate the installation and replacement of the lamp bead.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile lamps, in particular to an automobile lamp which can be plugged in without rotating a knob. Background Art

[0002] Most car lights adopt a design in which the lamp beads and lamp holders are separated. In order to facilitate daily replacement, most of them use hanging lamp beads.

[0003] For example, a Chinese patent (application number: 201320355370.8) discloses a car lamp, including a bulb, a lamp holder cover and a spring lamp holder, wherein the spring lamp holder is installed in the lamp holder cover, the bulb is screwed on the lamp holder cover and the bottom of the bulb is in close contact with the spring lamp holder, the spring lamp holder is provided with arc-shaped hooks on both sides, and the lamp holder cover is provided with a slot matching the card point; reinforcing ribs are provided at the bend of the spring lamp holder. The utility model overcomes the problems of the spring lamp holder pulling the inner wall of the lamp holder cover, the spring lamp holder being withdrawn during assembly, the bulb being extinguished and the spring lamp holder not being able to spring up. When assembling the car lamp, it is convenient and fast, the production efficiency is improved, and the first-time qualified rate of the finished product is significantly improved. At the same time, it also ensures that the spring lamp holder and other accessories are firmly combined with each other when the car lamp is working, ensuring the normal performance of the car lamp lighting.

[0004] However, when replacing, the lamp bead still needs to be pressed down and then rotated to fix it. This method is not conducive to replacement in a narrow installation environment. For example, when replacing the brake lights and turn signals, it is not convenient for the fingers to rotate, which increases the difficulty of replacing the lamp bead. Utility Model Content

[0005] In order to solve the above problems, the embodiment of the utility model provides a self-screw-in automobile lamp which is convenient for installation and disassembly.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model specifically adopts the following technical scheme: a self-screw-in automobile lamp, comprising a lamp bead and a lamp holder, the bottom of the lamp bead is provided with a snap-in protrusion, the lamp holder comprises a wiring disk, the upper part of the wiring disk is provided with a sleeve for plugging in the lamp bead, the side wall of the sleeve is provided with a guide groove corresponding to the position of the snap-in protrusion, the lower end of the guide groove is provided with a positioning groove for fixing the snap-in protrusion, and a transition arc is provided at the connection between the guide groove and the positioning groove.

[0007] As a further improvement of the above technical solution:

[0008] The guide groove and the positioning groove are distributed in an L shape, and a partition plate for dividing the guide groove and the positioning groove is arranged above the transition arc.

[0009] The guide groove is inclined, the positioning groove is vertically arranged, and the angle between the guide groove and the center line of the positioning groove is 20-30 degrees.

[0010] A contact spring piece 1 located below the lamp bead is arranged in the sleeve, and the contact spring piece 1 includes a conductive portion extending into the wiring board and an elastic connecting portion abutting against the lamp bead.

[0011] The elastic connection part and the conductive part are integrally formed, and a movable end of the elastic connection part is provided with an abutment boss extending to the middle of the sleeve.

[0012] A second contact spring piece is arranged on the side wall of the sleeve, and a avoiding groove for the second contact spring piece to be extended and retracted is arranged on the side wall of the sleeve.

[0013] The beneficial effects of the embodiments of the utility model are as follows: 1. The self-screwing automobile lamp comprises a lamp bead and a lamp holder, the bottom of the lamp bead is provided with a snap-in protrusion, the lamp holder comprises a wiring plate, the upper part of the wiring plate is provided with a sleeve for plugging in the lamp bead, the side wall of the sleeve is provided with a guide groove corresponding to the position of the snap-in protrusion, the lower end of the guide groove is provided with a positioning groove for fixing the snap-in protrusion, and a transition arc is provided at the connection between the guide groove and the positioning groove. By utilizing the design of the guide groove, the positioning groove and the transition arc, the position conversion of the lamp bead during the downward pressing process can be achieved by guiding the snap-in protrusion during installation, thereby realizing the function of automatic screwing in and fixing, and facilitating the installation and replacement of the lamp bead.

[0014] 2. The design of the contact spring piece 1 can play an upward tightening role when fixing the lamp bead, preventing the lamp bead from slipping out of the positioning groove after sliding downward, thereby strengthening the fixing effect on the lamp bead. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the sleeve in the utility model.

[0018] In the figure: 1. lamp bead; 2. lamp holder; 3. snap-on protrusion; 4. wiring board; 5. sleeve; 6. guide groove; 7. positioning groove; 8. transition arc; 9. partition; 10. contact spring piece 1; 11. conductive part; 12. connecting part; 13. abutting boss; 14. contact spring piece 2; 15. avoidance groove. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0020] like Figure 1-3 As shown, the self-spinning automobile lamp of this embodiment includes a lamp bead 1 and a lamp holder 2. The bottom of the lamp bead 1 is provided with a clamping protrusion 3. The lamp holder 2 includes a wiring plate 4. The upper part of the wiring plate 4 is provided with a sleeve 5 for plugging the lamp bead 1. The side wall of the sleeve 5 is provided with a guide groove 6 corresponding to the position of the clamping protrusion 3. The lower end of the guide groove 6 is provided with a positioning groove 7 for fixing the clamping protrusion 3. A transition arc 8 is provided at the connection between the guide groove 6 and the positioning groove 7. The guide groove 6 can play a guiding role when the lamp bead 1 is installed. After the lamp bead 1 is pressed, the positioning groove 7 cooperates with the contact spring to limit the lamp bead 1 after the card installation is completed to prevent the lamp bead from popping out. The function of the transition arc 8 is to guide it to slide into the positioning groove 7 as the card protrusion 3 slides down when the lamp bead 1 is installed. The design of the guide groove 6, the positioning groove 7 and the transition arc 8 can realize the position change of the lamp bead during the pressing process by guiding the card protrusion 3 during installation, realize the function of automatic screwing in and fixing, and facilitate the installation and replacement of the lamp bead.

[0021] The guide groove 6 and the positioning groove 7 are distributed in an L shape, and a partition plate 9 for dividing the guide groove 6 and the positioning groove 7 is provided above the transition arc 8. The function of the partition plate 9 is to separate the guide groove 6 and the positioning groove 7 to prevent the lamp bead 1 from slipping after installation.

[0022] The guide groove 6 is designed to be inclined, and a vertically designed plug-in portion is provided at the upper end of the guide groove 6 to facilitate the entry of the lamp bead 1. The positioning groove 7 is designed to be vertical, and the angle between the guide groove 6 and the midline of the positioning groove 7 is 20-30 degrees. When installing the lamp bead, the snap-on protrusion 3 can be guided to replace the fingers to rotate the lamp bead.

[0023] A wiring slot 1 is provided on the wiring disk 4, and a contact spring 10 is provided in the sleeve 5, which is located below the lamp bead 1 and extends into the wiring slot 1. The contact spring 10 includes a conductive portion 11 extending into the wiring disk 4, and an elastic connecting portion 12 abutting against the lamp bead 1. The elastic connecting portion 12 is used to provide an upward thrust for the lamp bead 1 so that it can be fixed in the positioning slot 7.

[0024] The elastic connection part 12 is integrally formed with the conductive part 11. The movable end of the elastic connection part 12 is provided with an abutment boss 13 extending to the middle of the sleeve 5. The design of the abutment boss 13 can increase the connection stability between the elastic connection part 12 and the bottom contact of the lamp bead 1 and increase the contact area.

[0025] A second wiring slot is provided on the wiring disk 4, a second contact spring 14 extending to the second wiring slot is provided on the side wall of the sleeve 5, and a avoidance slot 15 for the extension and retraction of the second contact spring 14 is provided on the side wall of the sleeve 5. The second contact spring 14 can not only play a role in powering on, but also play a role in tightening one side of the lamp bead 1 to prevent the lamp bead 1 from shaking.

[0026] Working principle / assembly process of this solution: During installation, place the snap-fit ​​protrusion 3 at the upper end of the guide groove 6, press the lamp bead 1 downward, and the snap-fit ​​protrusion 3 interacts along the guide groove 6 and the transition arc 8 and enters the positioning groove 7. Then, the pressure on the lamp bead 1 is released, and the lamp bead 1 is pushed upward under the thrust of the elastic connector 12. At this time, the snap-fit ​​protrusion 3 is fixed in the positioning groove 7, and the installation operation of the lamp bead 1 is completed.

[0027] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0030] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A screw-in automobile lamp, comprising a lamp bead (1) and a lamp holder (2), wherein a clamping protrusion (3) is provided at the bottom of the lamp bead (1), and characterized in that: The lamp holder (2) comprises a wiring plate (4), the upper part of which is provided with a sleeve (5) for plugging in the lamp bead (1), the side wall of which is provided with a guide groove (6) corresponding to the position of the clamping protrusion (3), the lower end of which is provided with a positioning groove (7) for fixing the clamping protrusion (3), and a transition arc (8) is provided at the connection between the guide groove (6) and the positioning groove (7).

2. The self-spinning automobile lamp according to claim 1, characterized in that: The guide groove (6) and the positioning groove (7) are distributed in an L shape, and a partition plate (9) for dividing the guide groove (6) and the positioning groove (7) is arranged above the transition arc (8).

3. The self-spinning automobile lamp according to claim 1, characterized in that: The guide groove (6) is arranged obliquely, and the positioning groove (7) is arranged vertically. The included angle between the midline of the guide groove (6) and the positioning groove (7) is 20-30 degrees.

4. The screw-in automobile lamp according to claim 1, characterized in that: A contact spring piece (10) located below the lamp bead (1) is arranged in the sleeve (5), and the contact spring piece (10) comprises a conductive portion (11) extending into the wiring board (4), and an elastic connecting portion (12) abutting against the lamp bead (1).

5. The self-spinning automobile lamp according to claim 4, characterized in that: The elastic connecting portion (12) and the conductive portion (11) are integrally formed, and the movable end of the elastic connecting portion (12) is provided with an abutment boss (13) extending to the middle of the sleeve (5).

6. The self-spinning automobile lamp according to claim 1, characterized in that: A second contact spring piece (14) is arranged on the side wall of the sleeve (5), and a avoiding groove (15) for the second contact spring piece (14) to be extended and retracted is arranged on the side wall of the sleeve (5).

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