CN220958173U

CN220958173U - Screw-free car lamp structure

Info

Publication number: CN220958173U
Application number: CN202322786425.7U
Authority: CN
Inventors: 刘金昊; 陈煜�; 覃钟; 黄胜铁; 禹文浩; 李荣俭; 王恒荣
Original assignee: Nanning Liaowang Auto Lamps Co ltd
Current assignee: Nanning Liaowang Auto Lamps Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-05-14
Anticipated expiration: 2033-10-17

Abstract

The utility model discloses a screwless car lamp structure, comprising: the lamp comprises a lamp holder, a circuit board, a connecting colloid and a lamp shade, wherein the outer edge of the connecting colloid is fixedly connected to the opening end of the lamp holder, the shade is fixedly connected to a mounting hole formed in the middle of the connecting colloid, and a guide post is arranged on the inner side of the lamp shade; the circuit board is positioned below the lampshade and positioned in the lamp holder through the pin hole; the base is internally provided with a positioning column, and a positioning groove matched with the guide column is formed in the positioning column. The whole product of the utility model does not need to adopt any screw connection, and realizes the mutual connection and positioning by depending on the structure of the product, so that the product assembly process is quicker, the structure is stable, and the problem of connection looseness caused by screw connection can not occur. The utility model can also have the key function at the same time, and the connecting colloid provides resilience force for resetting the lampshade serving as the key cap by using the flexibility of the connecting colloid, so that a good key manual touch effect is maintained.

Description

Screw-free car lamp structure

Technical field:

The utility model relates to the technical field of car lamp products, in particular to a screw-free car lamp structure.

The background technology is as follows:

As china has become the largest automotive market worldwide, the automotive manufacturing industry has evolved to a finer degree. For automobile products, various automobile manufacturers promote the high-grade sense of automobiles, and many parts in the automobiles adopt luminous designs. Conventional automotive lamp products include: the lamp comprises a lamp holder, a lamp shade and a luminous body arranged in the lamp holder. In the assembly process of such conventional lamps, screw fastening is often used, for example: the connection between the lamp base and the lamp shade, the fixation between the circuit board where the luminous body is located and the lamp base, and the lamp base itself are usually formed by fixing a base and a front shell by screws. The use of a large number of screw connections, while the structural design of the product is relatively simple, also suffers from the following disadvantages: firstly, in the production and conversion link, the time consumed for fastening the screw is long, so that the production efficiency is difficult to improve; secondly, in the follow-up using link, screw connection easily appears becoming flexible in vibration environment, in order to avoid this kind of condition to need additionally to use locking parts such as spring washer, increases product cost.

In addition, the current car lamp not only has the functions of illumination and decoration, but also has the key function for some specific products. For example, see chinese patent No. 202120439819.3, which discloses a "key structure with a light guide support", which adopts the following technical scheme: comprising the following steps: a lower lamp holder; the upper lamp holder is arranged at the upper end of the lower lamp holder and is provided with an installation space; the circuit board is arranged at the bottom of the installation space; the first tact switch is arranged on the circuit board; the light source is arranged on the circuit board; the support piece body is propped against the first tact switch, the lower end of the support piece body extends to form a light guide part, and the light guide part is opposite to the light source; the button body is sleeved at the upper end of the support piece body from top to bottom, and the button body is arranged above the upper lamp holder, and a light transmission part is formed at the upper end of the button body and is opposite to the upper end of the support piece body. The key in the technical scheme not only has a key function, but also can be used as a car lamp. But this product also suffers from the following disadvantages:

1. The key body (i.e. the key cap) needs to rebound rapidly after being pressed down, and most of the modes adopted at present directly utilize the elastic support in the trigger switch, so that the service life of the trigger switch is shorter. To overcome this problem, the return spring needs to be added for the larger size key.

2. Because the key body and the lamp holder are in sliding fit, a certain fit clearance is needed before the hole positions corresponding to the key body and the lamp holder, dust and impurities are collected due to the existence of the clearance, and the key is difficult to clean. Meanwhile, the waterproof effect of the keys is poor.

3. The product still needs to be fixed by screws.

In order to overcome the above-mentioned drawbacks of the prior art, the present inventors propose the following technical solutions.

The utility model comprises the following steps:

The utility model aims to overcome the defects of the prior art and provides a screwless car lamp structure.

In order to solve the technical problems, the utility model adopts the following technical scheme: a screwless vehicle lamp structure comprising: the LED lamp comprises a lamp holder with a containing cavity, a circuit board arranged in the lamp holder, a connecting colloid and a lamp shade, wherein an LED luminous body is arranged on the circuit board, the outer edge of the connecting colloid is fixedly connected to the opening end of the lamp holder, the lamp shade is fixedly connected to a mounting hole formed in the middle of the connecting colloid in an integral injection molding or bonding mode, and a guide column is arranged on the inner side of the lamp shade; the circuit board is positioned below the lampshade and is positioned in the lamp holder through the pin hole; the base is internally provided with a positioning column, and a positioning groove matched with the guide column is formed in the positioning column.

Furthermore, in the above technical scheme, the connecting colloid has the outer fringe portion of being connected with the open end, set up in the mounting hole of middle region and be located the outer assistance and not with the bulge between the mounting hole, the lamp shade pass through glue or welded mode fixed connection in mounting hole position department.

In the above technical solution, further, an annular groove is formed inside the outer edge portion.

Furthermore, in the above technical solution, the guide post and the positioning groove have corresponding taper.

Further, in the above technical solution, the lamp socket includes: the base and the upper shell of base fixed connection, the base be formed with annular slot along its lateral wall inboard, the upper shell be cylindric, its lower extreme inserts in this slot to through viscose mode or buckle mode and base fixed connection.

Furthermore, in the above technical scheme, the bottom surface of the base is formed with a support column for supporting the circuit board and a positioning column, the top surface of the support column is formed with a positioning pin, and the circuit board is provided with a positioning hole matched with the positioning pin.

In the above technical scheme, a ring-shaped baffle is formed on the bottom plate of the base, and the ring-shaped groove is formed between the baffle and the side wall of the base.

In the above technical scheme, a rubber blocking rib is formed on the side wall of the upper shell, and a clamping block is formed on the rubber blocking rib; and a limiting rib is formed on the side wall of the base.

Furthermore, in the above technical scheme, the circuit board is further provided with a touch switch, and the inner side of the lampshade is provided with a pressing rod on the touch switch.

Furthermore, in the above technical scheme, the bottom surface of the lamp holder is provided with a vent hole, and a ventilation membrane is attached to the vent hole.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:

Firstly, the whole product of the utility model does not need to adopt any screw connection, and the mutual connection and positioning are realized by virtue of the structure of the product, so that the product assembly process is quicker, the structure is stable, and the problem of connection loosening caused by screw connection can be avoided.

And secondly, a fit gap is not formed between the lampshade and the lamp holder, and the lampshade and the lamp holder are integrally formed through the connecting colloid, so that the space for collecting dust and impurities is eliminated, and the cleanness and the waterproof effect of the automobile key are ensured.

Finally, the utility model can also have the key function at the same time, and the connecting colloid provides resilience force for resetting the lampshade serving as the key cap by using the flexibility of the connecting colloid, so that a good key manual touch effect is maintained.

The utility model has simple integral structure and assembly process, stable use and longer service life of products.

Description of the drawings:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded perspective view of the present utility model;

FIG. 3 is a perspective view of the attachment gel and lamp housing of the present utility model;

FIG. 4 is a perspective view of the internal structure of the present utility model;

FIG. 5 is a top perspective view of the base of the present utility model;

Fig. 6 is a rear perspective view of the base of the present utility model.

The specific embodiment is as follows:

The utility model will be further described with reference to specific examples and figures.

As shown in fig. 1 to 4, the present utility model is a screwless lamp structure comprising: lamp stand 1, circuit board 2, connection colloid 3 and lamp shade 4.

The lamp holder 1 is made of plastic materials and comprises: a base 11 and an upper shell 12 fixedly connected with the base 11. The base 11 and the upper case 12 are combined with each other to form a cavity structure having an opening. The circuit board 2 is positioned in the accommodating cavity, and the connecting colloid 3 is arranged at the position of the opening end 10 of the accommodating cavity.

As shown in fig. 5, the base 11 is formed with an annular groove 150 along the inner side of the side wall thereof, and the groove 150 is used for being in plug-in fit with the front case 12. Specifically, an annular baffle 15 is formed on the bottom plate 111 of the base 11, and the annular groove 150 is formed between the baffle 15 and the side wall of the base 11. In the area surrounded by the baffle 15, support columns 13, positioning columns 14, and terminal blocks 16 are provided on the bottom plate 111, respectively.

The supporting columns 13 are used for supporting the circuit board 2, in this embodiment, two supporting columns 13 are disposed on the base 11, and a positioning pin 130 is formed on the top surface of each supporting group 13. The circuit board 2 is provided with a positioning hole 23 matched with the positioning pin 130. When the circuit board 2 is installed, the circuit board is placed on the top of the supporting group 13, and positioning connection is realized through the cooperation of the positioning pins 130 and the positioning holes 23. Of course, in order to form stable support, the number of the positioning posts 13 may be increased appropriately, or other similar structures may be used to realize the supporting function of the positioning posts 13.

The height of the positioning column 14 is larger than that of the supporting column 13, and a positioning groove 141 is formed in the middle of each positioning column 14. The positioning groove 141 is matched with the shaft hole of the guide post 42 in the lampshade 4. In order to realize the stable guiding function, two positioning posts 14 are provided on the base 11 in this embodiment.

The terminal block 16 is integrally formed on the bottom surface 111 of the base 11, and a terminal set connected to an external power source and a signal source is disposed therein to electrically connect the circuit board 2 with the external power source and the signal source. The terminal block 16 can simultaneously function as a support for the circuit board 2.

The bottom surface 111 of the base 11 is further provided with a vent hole 1110, and as shown in fig. 6, a flange 112 is formed on the outer side surface of the bottom surface of the base 11 along the vent hole 1110, and a ventilation membrane 17 is attached to the area surrounded by the flange 112. Because the utility model forms a relatively sealed space in the inner cavity of the whole lamp holder 1 after the assembly is completed, in order to adjust the internal and external air pressure, the problem that the whole product structure is damaged due to the expansion of the internal air of the lamp holder in a high-temperature environment is avoided, the air pressure can be adjusted through the air-permeable membrane 17, and meanwhile, the air-permeable membrane 17 can also prevent external dust and impurities from entering the inner cavity of the lamp holder.

Referring to fig. 2, the upper shell 12 is generally cylindrical, a glue blocking rib 121 is formed on a side wall of the upper shell 12, and a clamping block 1210 is formed on the glue blocking rib 121; the side wall of the base 11 is provided with a limiting rib 113.

When the base 11 is assembled with the upper shell 12, the lower part of the upper shell 12 is inserted into the groove 150, and the glue blocking ribs 121 play roles of glue blocking and limiting. After the upper shell 12 is inserted into the set position, the clamping blocks 1210 on the glue blocking ribs 121 are matched with the corresponding clamping positions on the base 11, and the base 11 and the upper shell 12 can be directly or fixedly bonded by glue, so that the waterproof effect is improved.

In addition, in order to facilitate the installation and fixation of the entire lamp socket 1 on the automobile, the side wall of the upper shell 12 extends outwards and is integrally formed with an installation lug plate 120, and screw hole sites are formed in the installation lug plate 120. The opposite sides of the base 11 may also be provided with snap-fit locations 110.

As described above, the circuit board 2 is mounted on the top end of the support column 13, and the LED luminary 21 and the touch switch 22 linked with the lampshade 4 are disposed on the circuit board 2. The positioning posts 14 pass through corresponding notches on the circuit board 2. The luminous body 21 is located in the middle region of the circuit board 2.

The connecting colloid 3 is made of rubber or silica gel and other materials with good ductility and toughness. Specifically, the connection colloid 3 has an outer edge 31 connected to the open end 10, a mounting hole 30 formed in the middle area, and a raised portion 32 located between the outer edge 31 and the mounting hole 30, and the lamp cover 4 is fixedly connected to the position of the mounting hole 30 by glue or welding, or an integral injection molding method may be adopted to fix the lamp cover 4 and the connection colloid 3 together.

The outer edge of the connecting colloid 3 is fixedly connected with the opening end 10 of the lamp holder 1. Specifically, an annular groove 311 is formed on the inner side of the outer edge 31, and the open end 10 of the lamp holder 1 can just be in snap fit with the annular groove 311. The bulge 32 of the connecting gel 3 provides an extension margin for pressing the lamp shade 4, so that the trigger switch 22 can be completely triggered when the lamp shade 4 is pressed.

The lampshade 4 is made of plastic materials, and can be made of light-transmitting materials integrally or only in local positions to form luminous marks on keys. As described above, the edge of the lamp cover 4 is fixedly connected to the mounting hole 30 by glue, ultrasonic welding, or integral injection molding, and the lamp cover 4 is located right above the circuit board 2.

The inner side of the lampshade 4 is provided with a pressing rod 41 which is pressed against the touch switch 22 and a guide post 42 which corresponds to the positioning post 14, and the guide post 42 is parallel to the axial direction of the pressing rod 41 and is arranged on the inner side surface of the lampshade 4 at opposite intervals. The guide post 42 is in plug-in fit with a positioning groove 141 in the positioning post 14. In order to facilitate the plugging and matching of the guide post 42 and the positioning groove 141, the guide post 42 and the positioning groove 141 have corresponding conicity.

As shown in fig. 4, after the assembly of the present utility model is completed, the guide post 42 and the positioning slot 141 can move up and down to form a plugging fit. Meanwhile, the pressing rod 41 is pressed against the touch switch 22. When the LED lamp works, the circuit board 2 is connected with an automobile power supply through guidance, and light generated by the LED luminous body 21 irradiates on the lamp shade 4 to enable the lamp shade to emit light, so that the LED lamp has a function of an automobile lamp. When the key is required to be touched, the lamp shade 4 is pressed, the lamp shade 4 moves inwards, and the pressure lever 41 moves downwards to trigger the touch switch 22 by virtue of the guiding limit of the positioning column 14 and the guiding column 42. After the pressing force disappears, the lampshade 4 resets under the self resilience force of the connecting colloid 3 and the touch switch 22 to wait for the next pressing.

It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Claims

1. Screw-free car light structure includes: lamp stand (1) with hold the chamber, install circuit board (2), connection colloid (3) and lamp shade (4) in lamp stand (1), circuit board (2) on be provided with LED luminous body (21), its characterized in that:

The outer edge of the connecting colloid (3) is fixedly connected with the opening end (10) of the lamp holder (1), the lampshade (4) is fixedly connected with the mounting hole (30) formed in the middle of the connecting colloid (3) in an integral injection molding or bonding mode, and the inner side of the lampshade (4) is provided with a guide post (42);

The circuit board (2) is positioned below the lampshade (4), and the circuit board (2) is positioned in the lamp holder (1) through the pin hole;

The lamp holder (1) is internally provided with a positioning column (14), and a positioning groove (141) matched with the guide column (42) is formed in the positioning column (14).

2. The screwless vehicular lamp structure of claim 1, wherein: the connecting colloid (3) is provided with an outer edge part (31) connected with the opening end (10), a mounting hole (30) arranged in the middle area and a bulge part (32) positioned between the outer edge part (31) and the mounting hole (30), and the lampshade (4) is fixedly connected to the position of the mounting hole (30) through glue or welding.

3. The screwless vehicular lamp structure of claim 2, wherein: an annular groove (311) is formed on the inner side of the outer edge part (31).

4. The screwless vehicular lamp structure of claim 1, wherein: the guide post (42) and the positioning groove (141) have corresponding conicity.

5. The screwless vehicular lamp structure of claim 1, wherein: the lamp socket (1) includes: the base (11) and with base (11) fixed connection's epitheca (12), base (11) be formed with annular slot (150) along its lateral wall inboard, epitheca (12) be cylindric, its lower extreme inserts in this slot (150) to through viscose mode or buckle mode and base (11) fixed connection.

6. The screwless lamp structure of claim 5, wherein: the base (11) is characterized in that a supporting column (13) for supporting the circuit board (2) and a positioning column (14) are formed on the bottom plate (111) of the base, a positioning pin (130) is formed on the top surface of the supporting column (13), and a positioning hole (23) matched with the positioning pin (130) is formed in the circuit board (2).

7. The screwless lamp structure of claim 5, wherein: an annular baffle plate (15) is formed on the bottom plate (111) of the base (11), and the groove (150) is formed between the baffle plate (15) and the side wall of the base (11).

8. The screwless vehicular lamp structure of claim 7, wherein: the side wall of the upper shell (12) is provided with a rubber blocking rib (121), and a clamping block (1210) is formed on the rubber blocking rib (121); and limiting ribs (113) are formed on the side wall of the base (11).

9. The screwless vehicular lamp structure according to any one of claims 1-8, wherein: the circuit board (2) is also provided with a touch switch (22), and the inner side of the lampshade (4) is provided with a pressing rod (41) on the touch switch (22).

10. The screwless vehicular lamp structure according to any one of claims 1-8, wherein: the base plate of the lamp holder (1) is provided with a vent hole (1110), and a ventilation membrane (17) is attached to the vent hole (1110).