Head lamp with waterproof structure

Abstract

The utility model discloses a head lamp with a waterproof structure, which relates to the technical field of lamps and comprises a head lamp main body, one end of the head lamp main body is provided with a light emitting part, the other end of the head lamp main body is pivoted with a back clip, the top of the head lamp main body is provided with an accommodating cavity, a battery is arranged in the accommodating cavity, the top of the battery is electrically connected with a circuit board, and the top of the circuit board is provided with a panel. A charging slot is concavely formed in the panel, a sealing element is embedded in the charging slot, a conductive terminal electrically connected with the circuit board is arranged below the charging slot, the top surface of the conductive terminal is propped against the bottom surface of the charging slot, a charging needle is arranged in the charging slot, the charging needle is provided with a plug end and a pin end, the plug end is positioned in the charging slot, and the pin end is positioned in the charging slot. And the pin end downwards penetrates out of the charging slot and is electrically connected with the conductive terminal. The conductive terminals capable of being electrically connected with the charging pins are arranged on the circuit board in the head lamp body, so that the influence of high temperature on surrounding plastic parts in the traditional welding process is avoided, and the waterproof performance of the head lamp is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp technical field, especially a waterproof structure headlamp. BACKGROUND

[0002] The headlamp is a kind of lighting tool worn on the head, mainly used to free hands and provide stable lighting effect.

[0003] In the manufacturing process of the existing headlamp, the connection between the circuit board and the charging needle usually adopts welding mode, wherein the circuit board is composed of multiple layers of PCB, and the charging needle is usually made of copper material and is mainly used for transmitting power, and in the production process, soldering tin is usually heated and melted using a soldering iron, and then the charging needle is fixed at the corresponding position of the circuit board by welding mode.This mode is widely used, but there are still many shortcomings in the actual production process.

[0004] Firstly, since the temperature of the soldering iron is high, when the temperature is conducted to the copper charging needle, the melting or deformation of the surrounding plastic parts is easily caused, and then the waterproof performance of the headlamp is damaged, and the water infiltration risk of the product in the use process is increased.In addition, the high temperature can also cause the welding point connection between the charging needle and the circuit board to be not firm, and then the poor contact or incomplete welding condition is appeared, and the risk of falling off or short circuit is increased, which not only affects the stability and service life of the product, but also increases the rate of defective products in the production process.

[0005] Therefore, the present inventors have conducted in-depth research on the above problems, and thus the present case is produced. CONTENT OF THE UTILITY MODEL

[0006] The utility model provides a waterproof structure headlamp, and aims at solving the problem that high temperature during welding of the circuit board and the charging needle of the existing headlamp can easily cause the deformation of plastic parts, and then affect the waterproof performance of the headlamp.

[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0008] The utility model provides a waterproof structure headlight, including the headlight body that can emit light source, one end of headlight body is equipped with the light outlet part of flaring type, the other end is pivoted with back clip, the top of headlight body is recessed and is equipped with the accommodating cavity, is equipped with battery in accommodating cavity, the top of battery is electrically connected with circuit board, the top of circuit board is equipped with the panel of ultrasonic welding with headlight body, one side of panel is recessed and is equipped with charging slot, the embedded sealing element of charging slot, with the panel of charging slot of panel as top surface, the lower side of charging slot is equipped with the conductive terminal of electric connection with circuit board, the top surface of conductive terminal and the bottom surface of charging slot abut, the charging needle of vertical setting is equipped in charging slot, charging needle has plug end and needle end, plug end is located in charging slot, needle end goes out charging slot and is electrically connected with conductive terminal.

[0009] Further, the outer periphery of the end of the light emitting portion is recessed to form an annular groove, the first sealing ring is arranged in the annular groove, the light emitting cavity in communication with the accommodating cavity is arranged in the light emitting portion, the light reflecting cup is arranged in the light emitting cavity, the first opening is arranged at one end of the light reflecting cup opposite to the accommodating cavity, the second opening is arranged at the opposite end of the light reflecting cup, the second sealing ring is arranged on the end surface of the second opening, the sealing cover is ultrasonically welded on the end of the light emitting portion, the light transmission portion for light transmission is arranged in the middle of the sealing cover, and the light transmission portion corresponds to the second opening.

[0010] Further, the back clip includes an arc-shaped back plate, the first buckle and the second buckle for the strap to pass through are arranged on the back plate, the first buckle is protruded on the side of the back plate facing the headlight body, the second buckle is arranged on the back plate, the back plate groove matching the shape of the back plate is recessed on the side of the back plate away from the headlight body, and the buffer pad is cemented in the back plate groove.

[0011] Further, the conductive terminal has a rectangular structure, the bottom surface of the conductive terminal is electrically connected with the circuit board, the top surface of the conductive terminal is provided with the needle hole, the bottom wall of the charging slot is provided with the slot hole, the needle end passes through the slot hole and is inserted into the needle hole.

[0012] Further, the light guide member is arranged between the panel and the circuit board, the top surface of the light guide member is vertically provided with a plurality of light guide columns arranged at intervals, the light guide hole is arranged through each light guide column, the clamping column for inserting the circuit board is arranged on the bottom surface of the light guide member, the front part of the top surface of the circuit board is electrically connected with a plurality of display lamps arranged at intervals along a line, the display lamps correspond to the light guide columns one by one, and the clamping column holes for the clamping column to enter are arranged on both sides of the display lamps.

[0013] Further, the top surface of the panel is concave with a special-shaped groove, a decorative plate is buckled in the special-shaped groove, two buttons are arranged on the top surface of the decorative plate, a light-transmitting groove is arranged between the two buttons, two button holes are arranged on the bottom wall of the special-shaped groove, a plurality of light-transmitting holes are arranged between the two button holes in a linear interval, the plurality of light-transmitting holes correspond to the plurality of light-transmitting grooves one by one, and the top surfaces of the plurality of light guide columns are respectively abutted against the bottoms of the plurality of light-transmitting holes.

[0014] Further, the bottom surface of the decorative plate is convex with a plurality of first elastic clamping columns, and a plurality of first clamping holes for the first elastic clamping columns to enter are concave in the special-shaped groove.

[0015] Further, the top surface of the decorative plate is concave with a ring groove arranged around the special-shaped groove, a decorative ring is arranged in the ring groove, the bottom surface of the decorative ring is convex with a plurality of second elastic clamping columns, and a plurality of second clamping holes for the second elastic clamping columns to enter are concave in the bottom wall of the ring groove.

[0016] Further, the bottom surface of the panel is concave with a waterproof groove arranged around, and a third sealing ring is sealingly arranged in the waterproof groove.

[0017] Further, the bottom surface of the panel is convex with a first mounting convex column and a second mounting convex column arranged on the two sides respectively, first mounting holes and second mounting holes for locking screws are arranged on the first mounting convex column and the second mounting convex column respectively, and two connecting holes corresponding to the first mounting holes in position are arranged on the circuit board.

[0018] From the description of the structure of the utility model, the utility model has the following advantages:

[0019] Firstly, the utility model sets the conductive terminal electrically connected with the charging needle on the circuit board in the headlight body, avoids the influence of high temperature on the surrounding plastic parts in the traditional welding process, effectively guarantees the waterproof performance of the headlight, reduces the fault risk caused by poor contact or incomplete welding, and further improves the waterproof performance of the headlight, and ensures that the headlight can be stably used in harsh environments.

[0020] Secondly, the conductive terminal on the circuit board of the utility model can be detachably connected with the plug end of the charging needle, thereby improving the convenience of disassembly and maintenance, avoiding the inconvenience brought by the existing fixed welding mode, simplifying the installation process, and improving the assembly efficiency of the headlight. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1The utility model discloses a whole structure schematic diagram.

[0022] Figure 2 The utility model discloses a three -dimensional assembly drawing.

[0023] Figure 3 The utility model discloses the exploded schematic diagram of light emitting part.

[0024] Figure 4 The utility model discloses a sectional view.

[0025] Figure 5 The utility model discloses the structure schematic diagram of panel and circuit board.

[0026] Figure 6 The utility model discloses a three -dimensional assembly drawing of panel and circuit board.

[0027] Figure 7 The utility model discloses the exploded schematic diagram of panel.

[0028] Figure 8 The utility model discloses the structure schematic diagram of panel top surface.

[0029] Figure 9 The utility model discloses the structure schematic diagram of panel bottom surface.

[0030] Figure 10 The utility model discloses the structure schematic diagram of circuit board.

[0031] Fig. 10 - headlamp main body;11 - containing cavity;111 - support;20 - light emitting part;21 - first annular groove;22 - first sealing ring;23 - light emitting cavity;24 - reflector cup;241 - first opening;242 - second opening;25 - second sealing ring;26 - sealing cover;261 - light transmission part;30 - back clamp;31 - back plate;311 - first belt buckle;312 - second belt buckle;313 - back plate groove;314 - buffer pad;40 - battery;50 - circuit board;51 - display lamp;52 - clamping column hole;53 - button;54 - connecting hole;60 - panel;61 - charging slot;611 - slot hole;62 - charging needle;621 - plug end;622 - insertion needle end;63 - special-shaped groove;631 - button hole;632 - light transmission hole;633 - first clamping hole;64 - decorative plate;641 - button;642 - light transmission groove;643 - first elastic clamping column;65 - ring groove;651 - second clamping hole;66 - decorative ring;661 - second elastic clamping column;67 - waterproof groove;671 - third sealing ring;68 - first mounting convex column;681 - first mounting hole;69 - second mounting convex column;691 - second mounting hole;70 - sealing element;80 - conductive terminal;81 - insertion needle hole;90 - light guide piece;91 - light guide column;911 - light guide hole;92 - clamping column. DETAILED DESCRIPTION

[0032] The technical solutions of the utility model will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the utility model, but not all of the embodiments.

[0033] Referring to Figure 1 A waterproof headlamp, comprising a headlamp body 10 capable of emitting light, one end of the headlamp body 10 is provided with a horn-shaped light-emitting part 20, the other end is pivotally connected with a back clamp 30, the top of the headlamp body 10 is concavely provided with a containing cavity 11, the inside of the containing cavity 11 is provided with two spaced-apart supports 111, the two supports 111 are concavely provided with containing grooves (not shown in the figure), the containing grooves are provided with batteries 40, the top of the battery 40 is electrically connected with a circuit board 50, the top of the circuit board 50 is provided with a panel 60, the panel 60 is connected with the headlamp body 10 by means of ultrasonic welding, one side of the panel 60 is concavely provided with a charging slot 61, the charging slot 61 is embedded with a waterproof sealing element 70, the side of the panel 60 with the charging slot 61 is the top side, the lower side of the charging slot 61 is provided with a conductive terminal 80 electrically connected with the circuit board 50, the top side of the conductive terminal 80 abuts against the bottom side of the charging slot 61, the charging slot 61 is vertically provided with a charging pin 62, the charging pin 62 has a plug end 621 and a pin end 622, the plug end 621 is located in the charging slot 61, and the pin end 622 penetrates out of the charging slot 61 downward and is electrically connected with the conductive terminal 80.

[0034] By arranging the conductive terminal 80 electrically connected with the charging pin 62 on the circuit board 50 in the headlamp body 10, the damage of high temperature generated during welding to the waterproof performance of the headlamp body 10 is avoided, the stability of current transmission of the headlamp body 10 during use is ensured, and the headlamp body 10 is more convenient to disassemble and maintain. In addition, the panel 60 and the headlamp body 10 are fixed by means of ultrasonic welding, which significantly improves the waterproof performance of the headlamp.

[0035] In the embodiment, the sealing element 70 is made of silica gel and is embedded in the charging slot 61, which can isolate external dust and moisture when the headlamp does not need to be charged, and when the headlamp needs to be charged, the sealing element 70 can be pulled out, and an external power source can be inserted into the charging slot 61.

[0036] Referring to Figures 1 to 4, the outer periphery of the end of the light emitting part 20 is concavely provided with an annular groove 21, the annular groove 21 is provided with a first sealing ring 22, the light emitting part 20 is internally provided with a light emitting cavity 23 which is in communication with the accommodating cavity 11, the light emitting cavity 23 is internally provided with a reflecting cup 24, the reflecting cup 24 is provided with a first opening 241 at the end facing the accommodating cavity 11, and is provided with a second opening 242 at the opposite end, the end face of the second opening 242 is provided with a second sealing ring 25, the end of the light emitting part 20 is further ultrasonically welded with a circular sealing cover 26, the inner circumferential wall of the sealing cover 26 abuts against the first sealing ring 22, the bottom wall of the sealing cover 26 abuts against the second sealing ring 25, the middle part of the sealing cover 26 is provided with a light transmission part 261 for light transmission, the light transmission part 261 corresponds to the second opening 242, in the embodiment, the light transmission part 261 is made of transparent material, such as glass, the light emitting source (not shown in the figure) of the headlamp adopts LED lamp, by setting the first sealing ring 22 and the second sealing ring 25 at the end of the light emitting part 20, and ultrasonically welding the sealing cover 26 on the light emitting part 20, the waterproof performance of the headlamp is further improved.

[0037] With reference to Figures 1 to 4 , the back clamp 30 comprises an arc-shaped back plate 31, the back plate 31 is provided with a first buckle 311 and a second buckle 312 for the strap to pass through, the first buckle 311 is convexly provided on the side of the back plate 30 facing the headlamp main body 10, the second buckle 312 is provided on the back plate 30, the side of the back plate 30 away from the headlamp main body 10 is concavely provided with a back plate groove 313 which is consistent with the shape of the back plate 30, the back plate groove 313 is adhesively provided with a buffer pad 314, the buffer pad 314 can be made of silica gel or sponge material, in use, by passing the strap through the first buckle 311 and the second buckle 312 of the back plate 31, the headlamp can be stably worn on the head of the human body, since the back plate 31 adopts arc-shaped design and is provided with the buffer pad 314, not only can better fit the forehead of the human body, improve the wearing comfort, but also can effectively reduce the pressure on the forehead caused by long-time wearing of the headlamp, avoid the user from being pressed or feeling uncomfortable.

[0038] It is to be noted that the side of the headlamp main body 10 facing the back plate 31 is convexly provided with a first hinge seat, the side of the back plate 31 facing the headlamp main body 10 is convexly provided with a second hinge seat, the first hinge seat and the second hinge seat are provided with a pivot (not shown in the figure), the pivot is provided with a torsional spring (not shown in the figure), by setting the pivot structure, the headlamp can be freely adjusted within a certain range, at the same time, the back clamp 30 can also conveniently clamp the headlamp on clothes or other objects, which is convenient for the user to use in daily life.

[0039] With reference to Figures 1 to 10In the embodiment, the conductive terminal 80 is in a rectangular structure, the bottom surface of the conductive terminal 80 is electrically connected with the circuit board 50, the top surface is provided with a pin hole 81, the bottom wall of the charging slot 61 is provided with a slot hole 611, the pin end 622 passes through the slot hole 611 and is inserted into the pin hole 81, in the embodiment, the conductive terminal 80 is provided with a conductive terminal sheet (not shown in the figure), the two sides of the conductive terminal sheet are provided with contacts, the two contacts are electrically connected with the circuit board 50 by means of soldering, the top surface of the conductive terminal sheet is provided with a contact sheet which can be inserted into the pin hole 81, the contact sheet is attached to the side wall of the pin hole 81, so that when the pin end 622 of the charging pin 62 is inserted into the pin hole 81, the pin end 622 is in abutment with the contact sheet in the pin hole 81, thereby realizing stable transmission of current.

[0040] With reference to Figures 1 to 9 The light guide 90 is arranged between the panel 60 and the circuit board 50, the top surface of the light guide 90 is vertically provided with a plurality of spaced light guide columns 91, each of the light guide columns 91 is provided with a through light guide hole 911, the bottom surface of the light guide 90 is provided with a clamping column 92 for insertion into the circuit board 50, the front surface of the top surface of the circuit board 50 is electrically connected with a plurality of display lamps 51 which are linearly and spaced arranged, the plurality of display lamps 51 correspond to the plurality of light guide columns 91 one by one, the two sides of each of the display lamps 51 are provided with clamping column holes 52 for the clamping column 92 to enter.

[0041] The top surface of the panel 60 is recessed with a special-shaped groove 63, the special-shaped groove 63 is snap-connected with a decorative plate 64, the top surface of the decorative plate 64 is provided with two buttons 641, the two buttons 641 are provided with a light-transmitting groove 642, the bottom wall of the special-shaped groove 63 is provided with two through button holes 631, the two button holes 631 are provided with a plurality of light-transmitting holes 632 which are linearly and spaced arranged, the plurality of light-transmitting holes 632 correspond to the plurality of light-transmitting grooves 642 one by one, the top surfaces of the plurality of light guide columns 91 are respectively in abutment with the bottoms of the plurality of light-transmitting holes 632; the two sides of the top surface of the circuit board 50 are electrically connected with two buttons 53, the two buttons 53 pass through the button holes 631 and are in abutment with the bottoms of the buttons 641.

[0042] By arranging the light guide 90 and the light guide columns 91, the light emitted by the plurality of display lamps 51 on the circuit board 50 can be effectively guided to the panel 60, so that the display effect is more uniform and clear. By arranging the clamping column 92 and the clamping column holes 52, the light guide 90 and the circuit board 50 can be conveniently assembled together, so that the assembly process is simple and reliable.

[0043] With reference to Figures 1 to 10The decorative panel 64 has a plurality of first elastic locking posts 643 protruding from its bottom surface, and a plurality of first locking holes 633 for the first elastic locking posts 643 to enter are recessed in the irregular groove 63. The decorative panel 64 has a recessed annular groove 65 surrounding the irregular groove 63, and a decorative ring 66 is provided in the annular groove 65. A plurality of second elastic locking posts 661 protrude from the bottom surface of the decorative ring 66, and a plurality of second locking holes 651 for the second elastic locking posts 661 to enter are recessed in the bottom wall of the annular groove 65. The panel 60 has a recessed waterproof groove 67 arranged in a ring, and a third sealing ring 671 is sealed in the waterproof groove 67. The two sides of the bottom surface of the panel 60 have a first mounting protrusion 68 and a second mounting protrusion 69 protruding from their respective sides. The first mounting protrusion 68 and the second mounting protrusion 69 have a first mounting hole 681 and a second mounting hole 691 for locking screws, respectively. The circuit board 50 has two connecting holes 54 corresponding to the positions of the first mounting holes 681. During installation, the circuit board 50 can be fixed to the panel 60 by passing screws through it.

[0044] The engagement of the first elastic locking post 643 and the second elastic locking post 661 with the first locking hole 633 and the second locking hole 651 ensures that the decorative panel 64 and the decorative ring 66 can be firmly bonded to the panel 60. Simultaneously, by setting the decorative ring 66 within the annular groove 65, the decorative effect of the panel 60 is enhanced. Furthermore, by setting a waterproof groove 67 at the bottom of the panel 60 and sealing it with a third sealing ring 671 within the waterproof groove 67, moisture can be effectively prevented from entering the interior of the panel 60, further strengthening the waterproof performance of the panel 60.

[0045] The above are merely specific embodiments of this utility model, but the design concept of this utility model is not limited thereto. Any non-substantial modifications made to this utility model using this concept shall be considered as an infringement of the protection scope of this utility model.

Claims

1. A waterproof structural headlamp, characterized by: The application relates to a headlamp body comprising a light source, one end of the headlamp body is provided with a horn-shaped light outlet, the other end is pivotally connected with a back clamp, the top of the headlamp body is concavely provided with an accommodating cavity, the accommodating cavity is provided with a battery, the top of the battery is electrically connected with a circuit board, the top of the circuit board is provided with a panel which is ultrasonically welded with the headlamp body, one side of the panel is concavely provided with a charging slot, the charging slot is embedded with a sealing element, the side of the panel with the charging slot is the top surface, the lower part of the charging slot is provided with a conductive terminal which is electrically connected with the circuit board, the top surface of the conductive terminal is in abutment with the bottom surface of the charging slot, the charging slot is vertically provided with a charging pin, the charging pin is provided with a plug end and a pin end, the plug end is located in the charging slot, the pin end penetrates the charging slot downwards and is electrically connected with the conductive terminal.

2. The waterproof structural headlamp of claim 1, wherein: The outer periphery of the end of the light outlet is concavely provided with an annular groove, the annular groove is provided with a first sealing ring, the inside of the light outlet is provided with a light outlet cavity which is communicated with the accommodating cavity, the light outlet cavity is provided with a reflecting cup, the end of the reflecting cup which is opposite to the accommodating cavity is provided with a first opening, the other end is provided with a second opening, the end surface of the second opening is provided with a second sealing ring, the end of the light outlet is ultrasonically welded with a sealing cover, the middle part of the sealing cover is provided with a light transmission part for light transmission, the light transmission part corresponds to the second opening.

3. The waterproof structural headlamp of claim 1, wherein: The back clamp comprises an arc-shaped back plate, the back plate is provided with a first belt buckle and a second belt buckle for belt penetration, the first belt buckle is protruded on the side of the back plate which faces the headlamp body, the second belt buckle is formed on the back plate, the side of the back plate which is away from the headlamp body is concavely provided with a back plate groove which is matched with the shape of the back plate, the back plate groove is glued with a buffer pad.

4. The waterproof construction headlamp of any one of claims 1 to 3, wherein: The conductive terminal is in a rectangular structure, the bottom surface of the conductive terminal is electrically connected with the circuit board, the top surface is provided with a pin hole, the bottom wall of the charging slot is provided with a slot hole, the pin end penetrates the slot hole and is inserted into the pin hole.

5. The waterproof structural headlamp of claim 4, wherein: A light guide element is arranged between the panel and the circuit board, the top surface of the light guide element is vertically provided with a plurality of spaced-apart light guide columns, each of the light guide columns is provided with a through light guide hole, the bottom surface of the light guide element is provided with a clamping column for insertion into the circuit board, the front part of the top surface of the circuit board is electrically connected with a plurality of display lamps which are linearly and spacedly arranged, the display lamps correspond to the light guide columns one by one, the two sides of the display lamps are provided with clamping column holes for the clamping column.

6. The waterproof structural headlamp of claim 5, wherein: The top surface of the panel is concavely provided with a special-shaped groove, a decorative plate is buckled and connected in the special-shaped groove, the top surface of the decorative plate is provided with two buttons, a light transmission groove is concavely arranged between the two buttons, two through button holes are formed in the bottom wall of the special-shaped groove, a plurality of light transmission holes are linearly and spacedly arranged between the two button holes, the light transmission holes correspond to the light transmission grooves one by one, the top surfaces of the light guide columns are respectively in abutment with the bottoms of the light transmission holes; the two sides of the top surface of the circuit board are electrically connected with two buttons, the buttons penetrate the button holes and are in abutment with the bottoms of the buttons.

7. The waterproof structural headlamp of claim 6, wherein: The bottom surface of the decorative plate is provided with a plurality of first elastic clamping columns, and the profiled groove is internally provided with a plurality of first clamping holes for the first elastic clamping columns to enter.

8. The waterproof structural headlamp of claim 7, wherein: The top surface of the decorative plate is internally provided with a ring groove arranged around the profiled groove, and the ring groove is internally provided with a decorative ring, the bottom surface of the decorative ring is provided with a plurality of second elastic clamping columns, and the bottom wall of the ring groove is internally provided with a plurality of second clamping holes for the second elastic clamping columns to enter.

9. The waterproof structural headlamp of claim 1, wherein: The bottom surface of the panel is internally provided with a waterproof groove arranged around, and the waterproof groove is internally provided with a third sealing ring.

10. The waterproof structural headlamp of claim 1, wherein: The two sides of the bottom surface of the panel are respectively provided with a first mounting convex column and a second mounting convex column, the first mounting convex column and the second mounting convex column are respectively provided with a first mounting hole and a second mounting hole for locking screws, and the circuit board is provided with two connecting holes corresponding to the positions of the first mounting hole.

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