Charger
By using a sealing element sandwiched between the light guide and the housing in the charger, the problems of LED light line crosstalk and moisture ingress are solved, achieving waterproof and clear indication effect for the indicator light assembly.
Patent Information
- Application Number
- CN202520248542.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing chargers are prone to light crosstalk between LEDs, and the light-transmitting holes in the casing are susceptible to water ingress, affecting the stability and lifespan of the LED board.
A sealing element is sandwiched between the light guide and the outer shell. The sealing element has perforations and ribs. The light guide column passes through the perforations and extends into the light-transmitting hole. The sealing element fits tightly with the outer shell to prevent moisture from entering and to block light crosstalk.
It effectively prevents moisture from entering the gaps around the light guide, avoiding affecting the performance of the light board, while eliminating light crosstalk and ensuring the stability and clarity of the indicator light assembly.
Smart Images

Figure CN223583856U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a charger. BACKGROUND
[0002] The rechargeable battery is widely used in various electronic devices, which can improve the mobile portability of the electronic devices to adapt to more application scenarios. The battery is charged by an external alternating current charger when its power is consumed. The existing charger generally includes a plurality of battery compartments, and a plurality of batteries can be inserted into each battery compartment for charging. The charger is provided with a lamp plate and a light guide column corresponding to each battery compartment. The lamp plate is provided with an LED lamp for indication, which is used to display the power of the battery in each battery compartment. The shell of the charger is provided with a plurality of through holes through which the light of the LED lamp can be transmitted, so that the user can observe. However, when a plurality of LED lamps are arranged, light interference may occur between the LED lamps, resulting in unclear indication. In addition, the through holes of the shell can cause the charger to be easily filled with water, thereby affecting the stability of the performance of the lamp plate. In addition, during the use of the product, static electricity generated by the charger can flow through the lamp plate through the through holes, thereby reducing the service life of the lamp plate. Therefore, the existing charger needs to be improved. CONTENT OF THE UTILITY MODEL
[0003] The present application provides a charger with a waterproof indication lamp assembly.
[0004] Specifically, the present application is realized by the following technical scheme: a charger, comprising a shell and an indication lamp assembly arranged in the shell, the indication lamp assembly comprising a lamp plate provided with a plurality of LED lamps and a light guide member arranged on the lamp plate, the shell being provided with a plurality of light transmission holes corresponding one-to-one to the LED lamps of the lamp plate, the light guide member being provided with a plurality of light guide columns corresponding one-to-one to the LED lamps of the lamp plate, the indication lamp assembly further comprising a sealing member arranged on the light guide member and located on opposite sides of the light guide member with the lamp plate, the sealing member being arranged between the corresponding part of the shell and the light guide member, the sealing member being provided with a plurality of through holes corresponding one-to-one to the light transmission holes of the shell, the light guide columns respectively penetrating through the through holes and extending into the corresponding light transmission holes, and the inner wall of the sealing member located on the side of the through hole being tightly sleeved on the side of the light guide column.
[0005] Further, the sealing member further has a plurality of first convex ribs surrounding each light guide column, and each first convex rib is arranged protruding into the corresponding through hole from the inner wall located on the side of the through hole.
[0006] Further, the light guide member has a recessed chamber accommodating the lamp plate and a plurality of recessed grooves further recessed from the recessed chamber, and each LED lamp protrudes into the corresponding recessed groove.
[0007] Further, the sealing member is provided with positioning ribs facing the light guide member, and the light guide member is provided with positioning grooves corresponding to the positioning ribs.
[0008] Further, the positioning ribs and the perforations are arranged alternately on the sealing member.
[0009] Further, the positioning grooves and the light guide columns are arranged alternately on the light guide member.
[0010] Further, the sealing member is provided with protrusions on both sides of each perforation, and the light guide member is provided with notches corresponding to the protrusions.
[0011] Further, the sealing member is provided with sealing ribs surrounding each perforation, and the sealing ribs are arranged on the side of the sealing member facing the corresponding part of the shell and tightly fit the corresponding part of the shell.
[0012] Further, the light guide member is provided with guide columns protruding towards the lamp panel, and the lamp panel is provided with guide holes corresponding to the guide columns.
[0013] Further, the charger is provided with battery compartments, and the corresponding part of the shell is provided with insertion slots corresponding to the battery compartments and allowing batteries to be inserted into the battery compartments, and the light transmission holes are arranged on the circumferential side of the insertion slots.
[0014] The indicator light assembly of the charger is provided with a sealing member between the light guide member and the shell, which can prevent water vapor entering through the light transmission hole of the shell from further penetrating through the gap around the light guide columns of the light guide member to affect the lamp panel, and the sealing member can also block the light interference between the light guide columns.
[0015] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the application. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 FIG. 1 is a perspective view of a charger according to an embodiment of the application;
[0017] Figure 2 FIG. 2 is a partial exploded view of the charger shown in FIG. 1; Figure 1
[0018] Figure 3 FIG. 4 is a combined view of the front cover and the indicator light assembly of the charger shown in FIG. 1; Figure 2
[0019] Figure 4 Figure 2 A perspective view of the front cover of the charger shown;
[0020] Figure 5 for Figure 3 A three-dimensional assembly diagram of the indicator light components shown;
[0021] Figure 6 for Figure 5 An exploded perspective view of the indicator light assembly shown.
[0022] Figure 7 for Figure 5 An exploded perspective view of the indicator light assembly shown from another angle;
[0023] Figure 8 for Figure 5 A cross-sectional view of the indicator light assembly along line AA.
[0024] Explanation of reference numerals in the attached figures:
[0025] Charger 100, outer shell 1, main body 11, front cover 12, slot 121, side wall 122, light-transmitting hole 123, screw post 124, inner shell 2, receiving cavity 21, battery compartment 3, opening 31, mounting part 32, indicator light assembly 4, light board 41, LED light 411, guide hole 412, light guide 42, light guide post 421, recess 422, top wall 4221, bottom wall 4222, left side wall 4223, right side wall 4224, groove 423, positioning groove 424, notch 425, guide post 426, seal 43, perforation 431, positioning rib 432, protrusion 433, protruding rib 434, sealing rib 435. Detailed Implementation
[0026] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses, systems, devices, and methods consistent with some aspects of this application.
[0027] refer to Figure 1 and Figure 2 As shown, this application provides a charger 100 capable of charging a battery (not shown), which includes a housing 1, an inner housing 2 and a plurality of battery compartments 3. The inner housing 2 is located inside the housing 1, and the plurality of battery compartments 3 are disposed inside the inner housing 2 and are used to accommodate batteries (not shown).
[0028] The outer shell 1 comprises a front and rear open cylinder main body 11, a front cover 12 fixed to the front side of the main body 11, and a rear cover (not shown) fixed to the rear side of the main body 11. The front cover 12 is provided with a plurality of parallel insertion slots 121 for inserting each battery (not shown) into each battery compartment 3. The inner shell 2 is in the form of a box structure with the front and bottom sides open to form a receiving cavity 21 for accommodating the battery compartments 3. The battery compartment 3 is in the form of a box structure with the front side open, and has an opening 31 on the front side. Each insertion slot 121 of the front cover 12 is arranged corresponding to the opening 31 of each battery compartment 3, and each battery (not shown) is inserted into each battery compartment 3 through the insertion slot 121 and the opening 31. The battery compartment 3 is provided with a mounting portion 32 on the outer side of the front end, which is connected to the front end face of the inner shell 2 by screws (not shown) to fix the battery compartment 3 in the receiving cavity 21 of the inner shell 2.
[0029] Referring to Figure 3 and Figure 4 As shown in the figure, the charger 100 further comprises an indicator light assembly 4 arranged in the form of a strip. The indicator light assembly 4 is located in the outer shell 1, and specifically, is fixed to one side wall 122 of the front cover 12 facing the battery compartments 3 and is arranged transversely below the plurality of insertion slots 121. As shown in the figure, the front cover 12 is provided with a plurality of light transmission holes 123 below each insertion slot 121 for transmitting the light of the indicator light assembly 4, so that the charge condition of each battery (not shown) can be determined according to the light or the color of the light. The front cover 12 is further provided with a plurality of screw posts 124 protruding inwardly from the side wall 122, and screws (not shown) are locked to the screw posts 124 through the indicator light assembly 4 to fix the indicator light assembly 4 to the side wall 122 of the front cover 12. Figure 2
[0030] Referring to Figures 5 to 8 As shown in the figure, the indicator light assembly 4 comprises a lamp plate 41, a light guide member 42 which is entirely light-transmissive and serves as a light guide, and a plurality of sealing members 43. The lamp plate 41 is located on one side of the light guide member 42, and the sealing members 43 are located on the other side of the light guide member 42 opposite to the lamp plate 41. After the indicator light assembly 4 is mounted to the front cover 12, the sealing members 43 tightly adhere to the side wall 122 of the front cover 12 to seal the gap between the indicator light assembly 4 and the front cover 12, thereby preventing water vapor from entering through the light transmission holes 123 of the front cover 12 to contact the lamp plate 41, and also preventing static electricity generated during use of the charger 100 from flowing to the lamp plate 41 through the light transmission holes 123 to affect the service life of the lamp plate 41. It can be understood that the plurality of sealing members 43 can also be an integral whole.
[0031] The lamp panel 41 is provided with a row of LED lamps 411 corresponding to each battery compartment 30; the light guide 42 is provided in the form of a long strip, and is provided with a light guide column 421 corresponding to each LED lamp 411; the sealing member 43 is provided with a through hole 431 corresponding to each light guide column 421, and the through hole 431 and the light transmission hole 123 of the front cover 12 are arranged in front and back alignment respectively. The light guide column 421 is located in front of the light emitting surface of the corresponding LED lamp 411 and is inserted into the corresponding through hole 431 of the sealing member 43, and the light guide column 421 is further inserted into the light transmission hole 123 of the front cover 12 after being exposed to the sealing member 43. In this way, the light of the LED lamp 411 can be clearly transmitted outward through the corresponding light transmission hole 123, which is convenient for the user to observe. The inner wall of the sealing member 43 located in the through hole 431 is tightly fitted outside the light guide column 421 to avoid the occurrence of gaps around the light guide column 421, which can cause water vapor to enter the indicator lamp assembly 4. Specifically, the inner wall of the sealing member 43 located at the through hole 431 is further provided with a first protruding rib 434 protruding towards the inside of the through hole 431, and the first protruding rib 434 surrounds the outer diameter of the light guide column 421 to achieve interference sealing between the sealing member 43 and the light guide column 421.
[0032] The light guide 42 is provided with a top wall 4221, a bottom wall 4222, a left side wall 4223 and a right side wall 4224 on the rear side thereof, and the top wall 4221, the bottom wall 4222, the left side wall 4223 and the right side wall 4224 surround to form a recess 422 accommodating the lamp panel 41, and the lamp panel 41 is integrally embedded in the recess 422 with the light emitting surface facing the direction of the light guide 42. The light guide 42 can further be provided with a guide column 426 on the rear side thereof, and the lamp panel 41 is provided with a guide hole 412 at the corresponding position. The indicator lamp assembly 4 fixes the lamp panel 41 in the recess 422 of the light guide 42 through the cooperation of the guide column 426 and the guide hole 412. In other embodiments, the lamp panel 41 can be stably fixed in the recess 422 through interference fit with the top wall 4221, the bottom wall 4222, the left side wall 4223 and the right side wall 4224 of the light guide 42 respectively. The depth of the recess 422 is greater than or equal to the thickness of the lamp panel 41 to provide space for assembling the lamp panel 41, and the top wall 4221, the bottom wall 4222, the left side wall 4223 and the right side wall 4224 of the light guide 42 can wrap around the periphery of the lamp panel 41 to provide stable assembly.
[0033] The light guide 42 further has a plurality of grooves 423 recessed further forward from the recess 422, and the grooves 423 correspond to the LED lamps 411, and each LED lamp 411 on the lamp panel 41 protrudes into the corresponding groove 423, and the light guide column 421 is located in front of the groove 423 to provide light guide for the light of the LED lamp 411.
[0034] The sealing member 43 further comprises a plurality of positioning ribs 432 arranged vertically on the rear side of the sealing member 43. The plurality of positioning ribs 432 and the plurality of through holes 431 are arranged alternately along the length direction of the sealing member 43. The light guide member 42 is provided with a plurality of through positioning grooves 424, and the plurality of light guide columns 421 and the plurality of positioning grooves 424 are arranged alternately along the length direction of the light guide member 42. The positioning ribs 432 and the corresponding positioning grooves 424 are matched with each other, and each positioning rib 432 is inserted into the corresponding positioning groove 424, so as to realize the positioning between the light guide member 42 and the sealing member 43. It is particularly noted that Figure 8 As shown in the figure, the sealing member 43 is further provided with a plurality of protrusions 433 on the rear side thereof, and the protrusions 433 are respectively arranged on the upper and lower sides of each through hole 431 along the width direction of the sealing member 43. The light guide member 42 is provided with a plurality of notches 425 respectively arranged on the upper and lower sides of each light guide column 421 along the width direction of the light guide member 42, and the protrusions 433 and the corresponding notches 425 are matched with each other. The arrangement of the positioning ribs 432 and the protrusions 433 can block the light crosstalk between the adjacent LED lamps 411. The sealing member 43 is also used to isolate the light guide columns 421, so as to prevent the light crosstalk between the light guide columns 421. The sealing member 43 is further provided with a sealing rib 435 surrounding the through hole 431 on the side surface thereof away from the light guide member 42, and the sealing rib 435 can tightly adhere to the side wall 122 of the front cover 12 when the indicator lamp assembly 4 is installed on the front cover 12, so as to realize the interference fit sealing between the sealing member 43 and the front cover 12.
[0035] During assembly, the lamp plate 41 is embedded into the recess 422 on the rear side of the light guide member 42, and then the positioning ribs 432 of the sealing member 43 are inserted into the positioning grooves 424 of the light guide member 42, so as to fix the sealing member 43 to the front side of the light guide member 42. Then, the screws (not shown) are passed through the lamp plate 41 and the light guide member 42 and are fixed to the screw columns 124 of the front cover 12, so as to complete the assembly and fixation of the indicator lamp assembly 4. The light of the LED lamp 411 is transmitted by the light guide column 421 and is emitted from the light transmission hole 123 of the front cover 12 of the shell 1.
[0036] In other embodiments, the insertion slot 121 can be arranged on other sides of the shell 1 except the bottom, and the opening 31 of each battery compartment 3 is arranged correspondingly to each insertion slot 121. Each insertion slot 121 is correspondingly provided with a plurality of light transmission holes 123, and the light transmission holes 123 can be arranged on other sides of the shell 1 except the bottom. The insertion slot 121 and the light transmission hole 123 can be arranged on the same side of the shell 1 or on different sides of the shell 1. The indicator lamp assembly 4 is arranged on the shell 1 in the opposite state of the light transmission hole 123 and is located in the shell 1, and the light guide column 421 of the light guide member 42 of the indicator lamp assembly 4 extends into the corresponding light transmission hole 123.
[0037] The above is only a preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A charger comprising a housing and an indicating light assembly arranged in the housing, the indicating light assembly comprising a light plate on which a plurality of LED lights are arranged and a light guide arranged on the light plate, the housing is provided with a plurality of light transmission holes corresponding to the LED lights of the light plate one by one, the light guide is provided with a plurality of light guide columns corresponding to the LED lights of the light plate one by one, characterized in that, The indicator light assembly further comprises a sealing member arranged on the light guide and located on opposite sides of the light guide with the lamp panel respectively, the sealing member is clamped between the corresponding part of the shell and the light guide, the sealing member is provided with a plurality of through holes corresponding to the plurality of light transmission holes of the shell one by one, the light guide column passes through the through hole and extends into the corresponding light transmission hole, and the inner wall of the sealing member located on the circumferential side of the through hole is tightly sleeved on the circumferential side of the light guide column.
2. The charger of claim 1, wherein: The sealing member further has a plurality of first convex ribs surrounding each light guide column, and each first convex rib is provided by the inner wall located on the circumferential side of each through hole and protrudes into the corresponding through hole.
3. The charger of claim 1, wherein: The light guide has a recessed chamber accommodating the lamp panel and a plurality of grooves further recessed from the recessed chamber, and each LED lamp protrudes into the corresponding groove.
4. The charger of claim 1, wherein: The sealing member is further provided with a plurality of positioning ribs towards the light guide, and the light guide has a plurality of positioning grooves for one-to-one insertion of each positioning rib.
5. The charger of claim 4, wherein: A plurality of positioning ribs and a plurality of through holes are arranged alternately on the sealing member.
6. The charger of claim 4, wherein: A plurality of positioning grooves and a plurality of light guide columns are arranged alternately on the light guide.
7. The charger of claim 4, wherein: The sealing member further has a plurality of protrusions located on both sides of each through hole, and the light guide is provided with a plurality of notches corresponding to the plurality of protrusions.
8. The charger of claim 1, wherein: The sealing member further has a plurality of sealing ribs surrounding each through hole, and the sealing ribs are arranged on one side of the sealing member towards the corresponding part of the shell and tightly fit with the corresponding part of the shell.
9. The charger of claim 1, wherein: The light guide has a plurality of guide columns protruding towards the lamp panel, and the lamp panel is provided with a plurality of guide holes matched with each guide column.
10. The charger of claim 1, wherein: Further comprising a plurality of battery compartments, the corresponding part of the shell is provided with a plurality of insertion slots corresponding to each battery compartment and allowing the battery to be inserted into the battery compartment, and a plurality of light transmission holes are respectively located on the circumferential side of the corresponding insertion slot.