TW201947921A - Small battery pack casing assembly - Google Patents

Abstract

A small battery pack casing assembly including a first casing and a second casing detachably assembled to the first casing is provided. The first casing includes a lateral wall, an outer fixing portion and a reinforcement structure. The outer fixing portion extends from the lateral wall outwardly. The outer fixing portion and the reinforcement structure are located at two opposite sides of the lateral wall. The reinforcement structure includes an inner lateral plate and a plurality of connecting ribs. The inner lateral plate is disposed at an inner side position of the lateral wall corresponding to the outer fixing portion. A height of a top portion of the inner lateral plate corresponds to a height of a top portion of the lateral wall. The connecting ribs are connected to the inner lateral plate and the lateral wall and extends to the top portion of the inner lateral plate and the top portion of the lateral wall, respectively.

Description

Small battery pack case integration

The present invention relates to a case assembly, and more particularly, to a small battery pack case integration.

A small battery pack generally refers to a battery pack used in a portable electronic device, such as a mobile phone or a notebook computer. Such small battery components are usually fixed on the casing of the portable electronic device by means such as locking. More specifically, the casing of the small battery assembly usually has at least one external fixing portion extending outward, and the screw passes through the through hole on the external fixing portion and is fixed to the casing of the portable electronic device.

If the outer shell of the small battery assembly is assembled from two upper and lower shells, an external fixing portion will be formed on one of the shells. The outer fixing part is formed on the side wall of the lower case as an example. When the outer fixing part of the lower case is to be locked to the lower case, if the locking force applied downward by the outer fixing part is too large, an outer fixing is formed. The side wall of the part will be turned out together, so that an unexpected gap appears between the side wall of the lower case of the small battery module and the side wall of the corresponding upper case, which affects the upper and lower cases of the small battery module. Combining strength with appearance integrity.

The invention provides a small battery pack case integration, which has a reinforcing structure inside, which can reduce the probability of turning out when a side wall is stressed.

A small battery pack case integrated according to the present invention includes a first case and a second case. The first casing includes a side wall, an outer fixing portion and a reinforcing structure. The external fixing portion extends outward from the side wall. The external fixing portion and the reinforcing structure are located on opposite sides of the side wall. The reinforcing structure includes an inner plate and a plurality of connecting ribs. The inner plate is disposed at a position on the inner side of the side wall corresponding to the outer fixing portion, and a height of a top portion of the inner plate corresponds to a height of a top portion of the side wall. These connecting ribs are respectively connected to the inner plate and the side wall, and extend between the top of the inner plate and the top of the side wall. The second case is detachably assembled to the first case.

In an embodiment of the present invention, the first casing includes a bottom wall connected to the side wall, and at least one of the connection ribs extends to the bottom wall.

In an embodiment of the present invention, the above-mentioned inner plate is suspended from the bottom wall, and the reinforcing structure further includes a connecting plate, which connects a bottom of the inner plate and the side wall, and connects two adjacent ones of the connecting ribs.

In an embodiment of the present invention, one of the above-mentioned connecting ribs extends from a bottom surface of the connecting plate to the bottom wall, and the other connecting rib extends from a portion of the inner plate near the top to the bottom wall.

In an embodiment of the present invention, the length of one of the connecting ribs is different from the length of the other connecting rib.

In an embodiment of the present invention, the outer fixing portion includes an outer rib, and a position of one of the connecting ribs on an inner surface of the side wall corresponds to a position of the outer rib on an outer surface of the side wall.

In an embodiment of the present invention, a height of a part of the top of the inner plate is different from a height of another part of the top.

In an embodiment of the present invention, the above-mentioned inner plate includes a latching hole, and the second housing includes a hook corresponding to the latching hole, and the hook extends into the side wall and engages with the latching hole.

In an embodiment of the present invention, the above-mentioned connecting ribs are located on two sides of the card hole.

In an embodiment of the present invention, the above-mentioned first casing includes a bottom wall connected to the side wall, the bottom wall includes a cylindrical battery receiving groove, and the outer fixing portion includes a fixing hole.

Based on the above, the small battery pack case of the present invention integrates the reinforcing structure on the inner side of the side wall where the outer fixing portion is formed, and the side wall can increase the structural strength through the reinforcing structure, and can reduce the side wall when the outer fixing portion is compressed. The chance of being valgus. In addition, the height of the top of the inner plate of the reinforcing structure corresponds to the height of the top of the side wall, and the connecting rib of the reinforcing structure extends between the top of the inner plate and the top of the side wall to better improve the stability of the top of the side wall.

In order to make the above features and advantages of the present invention more comprehensible, embodiments are hereinafter described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a small battery pack case integration according to an embodiment of the present invention. FIG. 2 is an exploded schematic view of the small battery pack case integrated in FIG. 1. FIG. 3 is a partially enlarged view of FIG. 2. Please refer to FIG. 1 to FIG. 3. The small battery pack used in the small battery pack case integrated 10 of this embodiment is, for example, a battery pack of a portable electronic device (not shown) such as a notebook computer or a mobile phone. example. Of course, the types of batteries used in small battery assemblies are not limited to this. In addition, in this embodiment, the small battery pack case integration 10 is an example of a case integration capable of accommodating and covering a plurality of cylindrical battery cells (not shown). The type of the battery cell with the coating is not limited thereto. The detailed structure of the small battery pack case integration 10 of this embodiment will be described below.

As shown in FIG. 2, the small battery pack case integration 10 of this embodiment includes a first case 100 and a second case 180 detachably assembled to the first case 100. In this embodiment, the case below the first case 100 is taken as an example, and the case above the second case 180 is taken as an example, but the relative positional relationship between the first case 100 and the second case 180 is not limited thereto. In this embodiment, the first casing 100 includes a bottom wall 110, at least one side wall 120 connected to the bottom wall 110, at least one external fixing portion 130, and at least one reinforcing structure 140.

In this embodiment, the bottom wall 110 of the first casing 100 includes at least one cylindrical battery receiving groove 112 for receiving a cylindrical battery cell. As can be seen from FIG. 2, the bottom wall 110 includes eight cylindrical battery receiving grooves 112. Of course, the number of the cylindrical battery accommodating grooves 112 and the types of batteries that can be accommodated in the accommodating grooves are not limited to those described above. After the second case 180 is coupled to the first case 100 as shown in FIG. 1, the cylindrical battery cells located therein can be fixed and covered together to complete the assembly process of the small battery pack.

Please return to FIG. 2. In this embodiment, the first casing 100 includes two opposite side walls 120 connected to the bottom wall 110. A plurality of external fixing portions 130 are formed on the outer surfaces of the two side walls 120. The reinforcing structure 140 is formed on the inner surfaces of the two side walls 120. In this embodiment, the two sidewalls 120 are longer sidewalls of the first casing 100, and the external fixing portions 130 are located at positions near the left and right sides of the two sidewalls 120, respectively. Of course, the relative position of the outer fixing portion 130 on the side wall 120 is not limited thereto. In the following, one of the external fixing portions 130 and the corresponding reinforcing structure 140 will be taken as an example to explain the relationship among the sidewall 120, the external fixing portion 130, and the reinforcing structure 140.

FIG. 3 is an enlarged view of the outer fixing portion 130 and the reinforcing structure 140 in the upper left corner of FIG. 2. As can be clearly seen in FIG. 3, the outer fixing portion 130 and the reinforcing structure 140 are located on opposite sides of the sidewall 120, and the outer fixing portion 130 is An outer surface of the side wall 120 extends outward. The external fixing portion 130 includes a fixing hole 132, such as a through hole, for fixing the external fixing portion 130 to a casing of a portable electronic device (not shown) after a screw is passed through. In other embodiments, the fixing hole 132 may be a screw hole, or the external fixing portion 130 may not have the fixing hole 132, but may be fixed to the casing of the portable electronic device by other methods such as clamping.

The reinforcing structure 140 includes an inner plate 141 and a plurality of connecting ribs 150, 152, and 154. The inner plate 141 is disposed at a portion of the inner side of the side wall 120 corresponding to the outer fixing portion 130. These connecting ribs 150, 152, and 154 connect the inner plate 141 to the side wall 120, so that the connecting ribs 150, 152, 154, the inner plate 141, and the side wall 120 can be considered as one body, and are connected together compared to a single side wall. The connecting ribs 150, 152, 154, the inner plate 141 and the side wall 120 have a large mass. Therefore, when the outer fixing portion 130 located outside the side wall 120 is pressed down, the side wall 120 is less likely to be pulled and turned out.

In addition, at least one of these connecting ribs 150, 152, 154 extends to the bottom wall 110. As shown in FIG. 3, in this embodiment, the connecting ribs 150, 152, and 154 all extend to the bottom wall 110, so that the connecting ribs 150, 152, and 154 have better stability. In addition, as shown in FIG. 3, the left side of the inner plate 141 extends to the left side wall 121, so that the inner plate 141 has better stability. That is, in this embodiment, the inner plate 141 connected to the left side wall 121 and the connection ribs 150, 152, and 154 connected to the bottom wall 110 are connected to the side wall 120, and the side wall 120 and the bottom wall 110 are added together. And the connection strength between the side wall 120 and the side wall 121, so that the side wall 120 has better structural strength. Therefore, when the external fixing portion 130 located outside the side wall 120 is pressed down, the side wall 120 is less likely to be pulled and turned out. Of course, in other embodiments, the connection relationship between the connecting ribs 150, 152, and 154 and the inner plate 141 is not limited thereto.

In addition, in the present embodiment, the sidewalls 120 have different heights in a region near the outer fixing portion 130. More specifically, in FIG. 3, the height of the top portion 122 of the side wall 120 at the position connected to the outer fixing portion 130 is greater than the height of the top portion 123. In this embodiment, in order to further reduce the probability of the side wall 120 turning out, the height of the inner plate 141 is designed to correspond to the height of the side wall 120, and has a height change in different sections. More specifically, in this embodiment, the inner plate 141 has a higher first region 145 and a lower second region 146. The height of the top portion 142 of the inner plate 141 corresponds to the height of the top portion 122 of the side wall 120. The height of the top 143 of the inner plate 141 corresponds to the height of the top 123 of the side wall 120. In addition, the two connecting ribs 150 extend between the top 142 of the inner plate 141 and the top 122 of the side wall 120, and the connecting ribs 150 and 154 extend between the top 143 of the inner plate 141 and the top 123 of the side wall 120. This design The structural strength of the side wall 120 at the top portions 122 and 123 can be improved by the connected connecting ribs 150 and 154 and the inner plate 141 to better prevent the top portions 122 and 123 of the side wall 120 from turning out.

It should be noted that, in this embodiment, the height of the inner plate 141 corresponds to the height of the side wall 120, which may mean that the height of the inner plate 141 is the same as the height of the side wall 120, or that the height of the inner plate 141 is close to The height of the sidewall 120. That is, the height of the inner plate 141 may be slightly lower than the height of the side wall 120. As long as the height change of the inner plate 141 in different sections is close to the height change of different sections of the corresponding side wall 120, it can be ensured that different sections of the side wall 120 in the portion connected to the outer fixing portion 130 can be reinforced through The structure 140 has good stability.

Please return to FIG. 2. In this embodiment, the inner plate 141 includes at least one latching hole 144, and the second housing 180 includes at least one latching hook 182 corresponding to the latching hole 144. In this embodiment, the number of the card holes 144 and the hooks 182 are respectively multiple, but the number of the card holes 144 and the hooks 182 are not limited thereto. When the second casing 180 is assembled to the first casing 100, the hook 182 of the second casing 180 extends between the side wall 120 and the inner plate 141 and is engaged with the engaging hole 144. In this embodiment, the positions where the connecting ribs 150, 152, and 154 are set will avoid the card hole 144, for example, be located on both sides of the card hole 144 and avoid interference with the hook 182.

FIG. 4 is a schematic cross-sectional view of the small battery pack case integrated in FIG. 1. FIG. 5 is a schematic view of a first casing separated from a second casing of FIG. 4. 4 and FIG. 5, it can be seen that, in this embodiment, the inner plate 141 is suspended from the bottom wall 110, and the reinforcing structure 140 may optionally include a connecting plate 160 connecting a bottom of the inner plate 141 and the side wall 120. In this embodiment, the connecting rib 150 extends in the up-down direction, and the connecting plate 160 extends horizontally. In other words, in the present embodiment, the inner plate 141 is connected to the side wall 120 together with the connection ribs 150 through the connection plate 160, and together increases the structural strength of the side wall 120. In this embodiment, the connection plate 160 is connected to two adjacent ones of the connection ribs 150, but in other embodiments, the connection plate 160 may not be connected to the connection rib 150. In addition, in other embodiments, the inner plate 141 may not be suspended from the bottom wall 110, that is, the inner plate 141 may extend downward to the bottom wall 110, and the connection plate 160 may also be connected to the bottom wall 110. Between the inner plate 141 and the side wall 120. The relative relationship between the inner plate 141, the connection plate 160, and the connection rib 150 is not limited to the above. In addition, in other embodiments, the reinforcing structure 140 may also omit the connecting plate 160.

Please return to FIG. 3. In this embodiment, the connecting rib 152 extends downward from a bottom surface of the connecting plate 160 (labeled in FIG. 4) to the bottom wall 110, and the connecting rib 150 extends from the inner plate 141 near the top portion 142. To the bottom wall 110. Therefore, the length of the connection rib 152 is different from the length of the connection rib 150. In addition, in this embodiment, the height of the second region 146 of the inner plate 141 is smaller than the height of the first region 145, and the connecting rib 154 extends from the portion of the inner plate 141 close to the top 143 of the second region 146 to the bottom wall 110. Therefore, the length of the connection rib 154 is also different from the length of the connection rib 150. In other words, in this embodiment, the connecting ribs 150, 152, 154 have different lengths. Of course, in other embodiments, the connecting ribs 150, 152, 154 may also have the same length.

FIG. 6 is a schematic view from another perspective of FIG. 2. FIG. 7 is another perspective view of the first casing of FIG. 6. FIG. 8 is a partially enlarged view of FIG. 7. Referring to FIGS. 6 to 8, another external fixing portion 130 and a reinforcing structure 140 can be seen in FIGS. 6 to 8. In this embodiment, the outer fixing portion 130 includes at least one outer rib 134. As shown in FIG. 8, the outer fixing portion 130 includes two outer ribs 134. Of course, the number of the outer ribs 134 is not limited thereto. The outer fixing portion 130 can increase the contact area with the side wall 120 through the outer rib 134 and increase the structural strength of the outer fixing portion 130. In other words, when the external fixing portion 130 is subjected to a downward pressing force, the force is transmitted to the side wall 120 through the outer rib 134, so that the side wall 120 is more likely to be turned outwardly at a position connected to the outer rib 134.

As can be seen from FIG. 8, in this embodiment, the positions of the two connecting ribs 150 located on the center on an inner surface of the side wall 120 respectively correspond to the positions of the two outer ribs 134 on an outer surface of the side wall 120. In this way, the structural strength of the side wall 120 at the portion connected to the outer rib 134 can be improved, further reducing the probability of the side wall 120 turning out. Of course, the position of the connecting rib 150 on the inner surface of the side wall 120 may not correspond to the position of the outer rib 134 on the outer surface of the side wall 120.

It should be noted that, in this embodiment, the first casing 100 includes a plurality of external fixing portions 130 and corresponding reinforcing structures 140, and may be a connection between the outer ribs 134 of the group of external fixing portions 130 and the reinforcing structures 140. There is a position correspondence relationship between the ribs 150. The positions of the external ribs 134 of the external fixing portions 130 of the other groups and the connecting ribs 150 of the reinforcing structure 140 do not correspond, or the external ribs 134 of the external fixing portions 130 of each group and the reinforcing structure. The positions of the connecting ribs 150 of 140 all correspond to each other, or the positions of the connecting ribs 150 of the reinforcing structure 140 do not correspond to the positions of the external ribs 134 of the external fixing portions 130 of each group. The positional relationship between the outer rib 134 of the outer fixing portion 130 and the connection rib 150 of the reinforcing structure 140 is not limited to the above.

In summary, the small battery pack case of the present invention integrates the reinforcing structure on the inner side of the side wall where the external fixing portion is formed, and the side wall can increase the structural strength through the reinforcing structure and reduce the pressure on the external fixing portion The chance that the side wall will be turned out together. In addition, the height of the top of the inner plate of the reinforcing structure corresponds to the height of the top of the side wall, and the connecting rib of the reinforcing structure extends between the top of the inner plate and the top of the side wall to better improve the stability of the top of the side wall.

Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the attached patent application.

10‧‧‧Small battery pack case integration

100‧‧‧First case

110‧‧‧ bottom wall

112‧‧‧ cylindrical battery receiving slot

120, 121‧‧‧ sidewall

122, 123‧‧‧ Top

130‧‧‧External Fixation Department

132‧‧‧Fixing holes

134‧‧‧ Outer ribs

140‧‧‧ Reinforcement structure

141‧‧‧Inner plate

142, 143‧‧‧ Top

144‧‧‧Kacon

145‧‧‧ District 1

146‧‧‧Second District

150, 152, 154‧‧‧ connecting ribs

160‧‧‧Connecting plate

180‧‧‧Second shell

182‧‧‧Card hook

FIG. 1 is a schematic diagram of a small battery pack case integration according to an embodiment of the present invention. FIG. 2 is an exploded schematic view of the small battery pack case integrated in FIG. 1. FIG. 3 is a partially enlarged view of FIG. 2. FIG. 4 is a schematic cross-sectional view of the small battery pack case integrated in FIG. 1. FIG. 5 is a schematic view of a first casing separated from a second casing of FIG. 4. FIG. 6 is a schematic view from another perspective of FIG. 2. FIG. 7 is another perspective view of the first casing of FIG. 6. FIG. 8 is a partially enlarged view of FIG. 7.

Claims (10)

A small battery pack housing integration includes: a first housing including: a side wall; an external fixing portion extending outward from the side wall; and a reinforcing structure, the external fixing portion and the reinforcement The structure is located on opposite sides of the side wall. The reinforcing structure includes: an inner plate disposed on the inner side of the side wall and corresponding to the outer fixing portion, and a height of a top of the inner plate corresponds to a top of the side wall Height; and a plurality of connecting ribs connected to the inner panel and the side wall, respectively, and extending between the top of the inner panel and the top of the side wall, respectively; and a second shell detachably assembled to the First shell. The small battery pack case is integrated as described in the first item of the patent application scope, wherein the first case includes a bottom wall connected to the side wall, and at least one of the connection ribs extends to the bottom wall. According to the integration of the small battery pack case described in item 2 of the scope of patent application, wherein the inner plate is suspended from the bottom wall, the reinforcing structure further includes a connecting plate that connects a bottom of the inner plate and the side wall, and connects the Adjacent two of these connecting ribs. According to the small battery pack case integration described in the patent application item 3, wherein one of the connecting ribs extends from a bottom surface of the connecting plate to the bottom wall, and the other of the connecting ribs from the inner plate near the top The part extends to the bottom wall. The small battery pack case is integrated as described in item 1 of the patent application scope, wherein the length of one of the connection ribs is different from the length of the other connection rib. According to the small battery pack case integration described in item 1 of the patent application scope, wherein the outer fixing portion includes an outer rib, and a position of the connecting rib on an inner surface of the side wall corresponds to the outer rib on the side wall Position on an outer surface. The small battery pack case is integrated as described in item 1 of the patent application scope, wherein a height of a part of the top of the inner plate is different from a height of another part of the top. According to the integration of the small battery pack case described in item 1 of the patent application scope, wherein the inner plate includes a card hole, the second case includes a hook corresponding to the card hole, and the hook extends into the side wall and The inner plates are engaged with the engaging holes. The small battery pack case is integrated as described in item 8 of the scope of patent application, wherein the connecting ribs are located on both sides of the card hole. The small battery pack case integrated according to item 1 of the patent application scope, wherein the first case includes a bottom wall connected to the side wall, the bottom wall includes a cylindrical battery receiving groove, and the outer fixing portion includes A fixing hole.