Abstract:
An outer case of a LED module includes a top case and a bottom case to receive the LED module therebetween. The top case has a plurality of through holes and a plurality of blocks spacedly protruding from an inner side of the top case. The bottom case has a plurality of corresponding clip holes spacedly formed thereat, wherein the blocks are detachably engaged with the clip holes respectively to detachably couple the top case with the bottom case so as to form a cavity therebetween for receiving the LED module at a position that portions of LEDs are protruded through the through holes respectively. Two wire holes are formed at two sides of the top case when the top case is coupled with the bottom case for guiding wires of the LED module extending out of the cavity through the wire holes respectively.

Description:
BACKGROUND OF THE PRESENT INVENTION 
   1. Field of Invention 
   The present invention relates to an outer case of an illuminator, and more particularly to an outer case of an Light Emitting Diode (LED) module comprising a top case and a bottom case matching the top case when closing, wherein the top case comprises a top board, two side boards and two end boards, and the bottom case comprises a bottom board, a first closing board and a second closing board. 
   2. Description of Related Arts 
   As everybody knows, with the developing of the optical electronics and the semiconductor illuminating technique, the LED illuminator has been used everywhere, because of its good working property. First of all, an LED uses low voltage power supply, which is safer than high voltage power supply. Secondly, an LED is small in size, so that it can be prepared with any shape to meet the requirement of the environment. Thirdly, it has long life-span, and low light attenuation. Moreover, the response time of LED is short. 
   Because of above the properties of LED, people love applying it into the production of many consumer products. 
   The traditional LED illuminator has a fatal drawback of low intensity, so that it can not be widely used in a very long time. 
   Then, LEDs are connected in series to enhance its intensity. More specifically, connecting LEDs in series, and depositing them in a case can enhance the LED illuminating intensity. At present, in a typical application, three LEDs are connected in series or in parallel to form a module so as to serve as illuminating source or background light. The module can be usually divided into two types, one is waterproof, and the other is non-waterproof. However the structural design of the non-waterproof outer case of an LED module is simple in idea, so that its safety performance and the appearance is not the best. Furthermore, the mounting and assembling process of the outer case is not convenient. 
   SUMMARY OF THE PRESENT INVENTION 
   A main object of the present invention is to provide an outer case of LED module, which is simple in structure and good in appearance. 
   Another object of the present invention is to provide an outer case of LED module, which has simple mounting and assembling process, and can be used safely. 
   Accordingly, in order to accomplish the above object, the present invention provides an outer case of a LED module according to a preferred embodiment of the present invention is illustrated, in which the outer case works with a LED module, wherein the LED module comprises a base board, a plurality of LED illuminator and wire, wherein the LED illuminators are spacedly aligned on the base board and connected in series by wires through base board. 
   The outer case of the LED module comprises a top case and a bottom case, wherein the top case comprises a top board, two side boards and two end boards. The top board has a top surface, a bottom surface, and a plurality of through holes, wherein the through holes are provided between the top surface and the bottom surface. The two side board is on the both side of the top board, comprising a first connecting board and the second connecting board, wherein the first connecting board is connected to one side of the top board, having a outer side surface and a inner side surface, and having a plurality of blocks protruding from the inner side surface, wherein each block comprises a clip hook provided on the top the blocks. The second connecting board is connected to the other side of the top board facing to the first connecting board, having a outer side surface and a inner side surface, and having a plurality of blocks protruding from the inner side surface, wherein each block comprises a clip hook provided on the top the blocks. The two end board is provided on the both end of the top board, and connected with the both end of the two side board respectively, comprising a first end board and a second end board, wherein the first end board are connected with the top board on the top, and connected with one end of the two side board, wherein the first end board has an outer surface, an inner surface, and a plurality of wire holes. The second end board is connected with top board on the top, and connected with the other end of the two side board, wherein the second end board has an outer surface, an inner surface, and a plurality of wire holes. 
   At last, the bottom surface of the top board, the inner surface of the first connecting board, the inner surface of the second connecting board, the inner surface of the first end board, and the inner surface of the second end board define an opening cavity. 
   The bottom case matches the top case when closing, comprising a bottom board, a first closing board, and a second closing board, wherein the bottom board has a top surface and a bottom surface, and the first closing board is connected with one side of the bottom board at the bottom, comprising an outer closing board surface, an inner closing board surface, and a plurality of clip holes, wherein the clip holes is corresponding to the blocks of the first connecting board of the top case. The second closing board is connected with the other side of the bottom board at the bottom, comprising an outer closing board surface, an inner closing board surface, and a plurality of clip holes, wherein the clip holes is corresponding to the blocks of the second connecting board of the top case. At last, the top surface of the bottom board of the bottom case closes the opening cavity to a receiving cavity. 
   The benefit of the present invention is illustrated below: the present invention comprises a top case and a bottom case, wherein the top case comprises a top board, two side boards and two end boards. 
   These and other objectives, features, and advantages of the present invention will become apparent from the following detailed description, the accompanying drawings, and the appended claims. The bottom case matches the top case when closing, comprising a bottom board, a first closing board, and a second closing board. Such a structure design can provide a LED module outer case that is simple in structure, good in appearance, has simple mounting and assembling process, and can be used safely. 

   
     BRIEF DESCRIPTION OF THE DRAWINGS 
       FIG. 1  is a perspective view of an outer case of a LED module in a composition manner according to a preferred embodiment of the present invention. 
       FIG. 2  is a perspective view of an outer case of a LED module in a decomposition manner according to the above preferred embodiment of the present invention. 
       FIG. 3  is an exploded perspective view of an outer case of a LED module according to the above preferred embodiment of the present invention. 
       FIG. 4  is a top exterior view of a top case of the outer case of a LED module according to the above preferred embodiment of the present invention. 
       FIG. 5  is a C-C sectional view of  FIG. 4 . 
       FIG. 6  is a D-D sectional view of  FIG. 4 . 
       FIG. 7  is a top exterior view of a bottom case of the outer case of a LED module according to the above preferred embodiment of the present invention. 
       FIG. 8  is an E-E sectional view of  FIG. 7 . 
       FIG. 9  is a K-K sectional view of  FIG. 7 . 
       FIG. 10  is an alternative mode of exploded perspective view of an outer case of a LED module according to the above preferred embodiment of the present invention. 
       FIG. 11  is an alternative mode of a sectional view of an outer case of a LED module according to the above preferred embodiment of the present invention. 
       FIG. 12  is an alternative mode of a top exterior view of an outer case of a LED module according to the above preferred embodiment of the present invention. 
       FIG. 13  is an F-F sectional view of  FIG. 12 . 
       FIG. 14  is another alternative mode of perspective view of an outer case of a LED module according to the above preferred embodiment of the present invention. 
       FIG. 15  is another alternative mode of exploded perspective view of an outer case of a LED module according to the above preferred embodiment of the present invention. 
   

   DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
   Referring to  FIG. 1  to  FIG. 9  of the drawings, an outer case of an LED (Light Emitting Diode) module according to a preferred embodiment of the present invention is illustrated, in which the outer case works with an LED module, wherein the LED module  10  comprises a base board  11 , a plurality of LED illuminator  12  and wire  13 , wherein the LED illuminators  12  are spacedly aligned on the base board  11  and connected in series by wires  13  through base board  11 . 
   The outer case of the LED module comprises a top case  20  and a bottom case  30 , wherein the top case  20  comprises a top board  21 , two side boards  22  and two end boards  23 . 
   The top board  21  has a top surface  211 , a bottom surface  212 , and a plurality of through holes  213 , wherein the through holes are provided between the top surface  211  and the bottom surface  212 . 
   The two side board  22  is on the both side of the top board  21 , comprising a first connecting board  24  and the second connecting board  25 , wherein the first connecting board is connected to one side of the top board  21 , having an outer side surface  241  and an inner side surface  242 , and having a plurality of blocks  243  protruding from the inner side surface  242 , wherein each block  243  comprises a clip hook  244  provided on the top the blocks  243 . 
   The second connecting board  25  is connected to the other side of the top board  21  facing to the first connecting board  24 , having an outer side surface  251  and an inner side surface  252 , and having a plurality of blocks  253  protruding from the inner side surface  252 , wherein each block  253  comprises a clip hook  254  provided on the top the blocks  253 . The clip hook  254  is integrally protruded from an inner side of the respective side board  24 ,  25 . 
   The two end board  23  is provided on the both end of the top board  21 , and connected with the both end of the two side board  22  respectively, comprising a first end board  26  and a second end board  27 , wherein the first end board  26  are connected with the top board  21  on the top, and connected with one end of the two side board  22 , wherein the first end board  26  has an outer surface  261 , an inner surface  262 , and a plurality of wire holes  263 . 
   The second end board  27  is connected with top board  21  on the top, and connected with the other end of the two side board  22 , wherein the second end board  27  has an outer surface  271 , an inner surface  272 , and a plurality of wire holes  273 . 
   At last, the bottom surface  212  of the top board  21 , the inner surface  242  of the first connecting board  24 , the inner surface  252  of the second connecting board  25 , the inner surface  262  of the first end board  26 , and the inner surface  272  of the second end board  27  define an opening cavity  40 . 
   The bottom case  30  matches the top case  20  when closing, comprising a bottom board  31 , a first closing board  32 , and a second closing board  33 , wherein the bottom board  31  has a top surface  311  and a bottom surface  312 , and the first closing board  32  is connected with one side of the bottom board  31  at the bottom, comprising an outer closing board surface  321 , an inner closing board surface  322 , and a plurality of clip holes  323 , wherein the clip holes  323  is corresponding to the blocks  243  of the first connecting board  24  of the top case  20 . 
   The second closing board  33  is connected with the other side of the bottom board  31  at the bottom, comprising an outer closing board surface  331 , an inner closing board surface  332 , and a plurality of clip holes  333 , wherein the clip holes  333  is corresponding to the blocks  253  of the second connecting board  25  of the top case  20 . 
   At last, the top surface  311  of the bottom board  31  of the bottom case  30  closes the opening cavity  40  to a receiving cavity  50 . Accordingly, each of the clip holes  323 ,  333  is a through hole formed on the respective closing board  32 ,  33 , wherein the side boards  24 ,  25  are overlapped on outer sides of the closing boards  32 ,  33  to engage the blocks  243 ,  253  with the clip holes  323 ,  333  respectively. 
   When using the present invention, put the LED module  10  into the receiving cavity  50 , and the LED illuminators  12  of the LED module  10  can stretch out from the receiving cavity  50  to the outside through the through holes  213  on the top case  20 . At the same time, the wires  13  of the LED module  10  stretch out from the receiving cavity to the outside through the wire holes  263  and  273 . And then close the top case  20  and the bottom case  30  together. More specifically, the blocks  245  and  253  of the top base  20  clip to the clip hole  323  and  333  respectively so as to retain the LED module  10  in the receiving cavity defined by the top case  20  and the bottom case  30 . 
   As shown in  FIG. 1  to  FIG. 13 , an alternative mode of the present invention is illustrated. The outer case of the LED module comprises a top case  20  and a bottom case  30 , wherein the top case  20  comprises a top board  21 , two side boards  22  and two end boards  23 . 
   As shown in  FIG. 10  to  FIG. 13 , the two side board  22  is on the both side of the top board  21 , comprising a first connecting board  24  and the second connecting board  25 , wherein the first connecting board is connected to one side of the top board  21 , having an outer side surface  241  and an inner side surface  242 , and having a block  243 A protruding from the inner side surface  242 , wherein the block  243 A comprises a clip hook  244 A provided on the top the block  243 A. The clip hook  254 A is integrally protruded from an inner side of the respective side board  24 ,  25 . 
   The second connecting board  25  is connected to the other side of the top board  21  facing to the first connecting board  24 , having an outer side surface  251  and an inner side surface  252 , and having a block  253 A protruding from the inner side surface  252 , wherein each block  253 A comprises a clip hook  254 A provided on the top the block  253 A. 
   The bottom case  30  matches the top case  20  when closing, comprising a bottom board  31 , a first closing board  32 , and a second closing board  33 , wherein the bottom board  31  has a top surface  311  and a bottom surface  312 , and the first closing board  32  is connected with one side of the bottom board  31  at the bottom, comprising an outer closing board surface  321 , an inner closing board surface  322 , and a clip hole  323 A, wherein the clip hole  323 A is corresponding to the block  243 A of the first connecting board  24  of the top case  20 . 
   The second closing board  33  is connected with the other side of the bottom board  31  at the bottom, comprising an outer closing board surface  331 , an inner closing board surface  332 , and a clip hole  333 A, wherein the clip hole  333 A is corresponding to the block  253 A of the second connecting board  25  of the top case  20 . Accordingly, each of the clip holes  323 A,  333 A is an elongated through slot formed on the respective closing board  32 ,  33 , wherein the side boards  24 ,  25  are overlapped on outer sides of the closing boards  32 ,  33  to engage the blocks  243 A,  253 A with the clip holes  323 A,  333 A respectively. It is worth to mention that the base board  11  is received in the cavity at a position that portions of the LEDs  12  are protruded out of the top case  20  through the through holes  213  thereof respectively, wherein the wires  13  are extended out of the cavity through the wire holes  263 ,  273  respectively. 
   As shown in  FIG. 14  to  FIG. 15 , another alternative mode of the present invention is illustrated. The outer case works with a LED module  10 A, wherein the LED module  10 A comprises a base board  11 A, a plurality of LED illuminator  12 A and wire  13 A. 
   The base board  11 A is connected with the wire  13 A, comprising a plurality of LED electrical connecting element  111 A and a constant current chip  112 A, wherein each LED electrical connecting element  111 A comprises four electrical connectors. 
   The constant current chip  112 A is connected with the LED electrical connecting elements  111 A, so that the current in the LED electrical connecting elements  111 A is in constant with the help of the structure of the constant current chip  112 A, so as to keep the illuminating intensity of the LED illuminator  12 A from attenuating. 
   Further more, the constant current chip  112 A is connected with the wire  13 A at the input end, and connected with the LED electrical connecting elements  111 A at the output end. 
   The LED illuminator  12 A is cannibal series, and each LED illuminator  12 A comprises four electrical connectors. Any of the LED illuminator  12 A is connected with the LED electrical connecting element  111 A respectively. The LED module case comprises a top case  20 A and a bottom case  30 A. 
   One skilled in the art will understand that the embodiment of the present invention as shown in the drawings and described above is exemplary only and not intended to be limiting. 
   It will thus be seen that the objects of the present invention have been fully and effectively accomplished. It embodiments have been shown and described for the purposes of illustrating the functional and structural principles of the present invention and is subject to change without departure from such principles. Therefore, this invention includes all modifications encompassed within the spirit and scope of the following claims.