TWI766990B - 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 in particular to a small battery pack case integration.

A small battery pack generally refers to a battery assembly applied to 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 of locking or the like. More specifically, the casing of the small battery assembly usually has at least one outer fixing portion extending outward, and the screws pass through the through holes on the outer fixing portion and are fixed to the casing of the portable electronic device.

If the shell of the small battery assembly is assembled from two upper and lower shells, the outer fixing portion will be formed on one of the shells. For example, the outer fixing part is formed on the side wall of the lower casing. When the outer fixing part of the lower casing is to be locked to the lower casing, if the locking force exerted downward on the outer fixing part is too large, an outer fixing part is formed. The side wall of the battery part will be turned over together, so that an unexpected gap appears between the side wall of the lower case of the small battery assembly and the side wall of the corresponding upper case, which affects the upper and lower shells of the small battery assembly. Combines strength with cosmetic integrity.

The present invention provides an integrated small battery pack casing, which has a reinforced structure inside, which can reduce the probability of eversion of the side wall when the side wall is stressed.

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

In an embodiment of the present invention, the above-mentioned first housing includes a bottom wall connected to the side wall, and at least one of the connecting ribs extends to the bottom wall.

In an embodiment of the present invention, the inner side plate is suspended from the bottom wall, and the reinforcing structure further includes a connecting plate connecting a bottom of the inner side plate and the side wall, and connecting 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 side plate near the top to the bottom wall.

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

In an embodiment of the present invention, the above-mentioned outer fixing portion includes an outer rib, wherein the position of one connecting rib on an inner surface of the side wall corresponds to the position of the outer rib on an outer surface of the side wall.

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

In an embodiment of the present invention, the inner side plate includes a locking hole, the second housing includes a hook corresponding to the locking hole, the locking hook extends between the side wall and the inner side plate and is engaged with the locking hole.

In an embodiment of the present invention, the above-mentioned connecting ribs are located on both sides of the clamping 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 accommodating groove, and the outer fixing portion includes a fixing hole.

Based on the above, in the case of the small battery pack of the present invention, by disposing the reinforcement structure on the inner side of the side wall where the outer fixing portion is formed, the side wall can increase the structural strength through the reinforcement structure, and can reduce the side wall when the outer fixing portion is compressed. The chance of being everted together. In addition, the height of the top of the inner side panel 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 side panel 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-mentioned features and advantages of the present invention more obvious and easy to understand, the following embodiments are given and described in detail with the accompanying drawings as follows.

FIG. 1 is a schematic diagram of the integration of a small battery pack case according to an embodiment of the present invention. FIG. 2 is an exploded schematic view of the integration of the small battery pack case of FIG. 1 . FIG. 3 is a partial enlarged view of FIG. 2 . Please refer to FIG. 1 to FIG. 3 , the small battery components used in the small battery pack housing integration 10 of the present embodiment are, for example, battery components of portable electronic devices (not shown) such as notebook computers or mobile phones. example. Of course, the types of batteries used in the small battery assembly are not limited by this. In addition, in this embodiment, the small battery pack case assembly 10 is an example of a case integration capable of accommodating and wrapping a plurality of cylindrical battery cells (not shown), but the small battery pack case assembly 10 accommodates The types of battery cells covered are not limited by this. The detailed structure of the small battery pack case assembly 10 of the present embodiment will be described below.

As shown in FIG. 2 , the integrated small battery pack case 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 outer 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 accommodating groove 112 for accommodating cylindrical battery cells. As can be seen from FIG. 2 , the bottom wall 110 includes eight cylindrical battery receiving grooves 112 . Of course, the number of cylindrical battery accommodating slots 112 and the types of batteries that can be accommodated in the accommodating slots are not limited to the above. After the second casing 180 is combined with the first casing 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.

Returning to FIG. 2 , in this embodiment, the first housing 100 includes two opposite side walls 120 connected to the bottom wall 110 , a plurality of outer fixing portions 130 are formed on the outer surfaces of the two side walls 120 , and a plurality of Reinforcing structures 140 are formed on the inner surfaces of the two side walls 120 . In this embodiment, the two side walls 120 are the longer side walls of the first casing 100 , and the outer fixing portions 130 are located near the left and right sides of the two side walls 120 , respectively. Of course, the relative position of the outer fixing portion 130 on the side wall 120 is not limited by this. The following will take one of the external fixing portions 130 and the corresponding reinforcing structure 140 as an example to illustrate the relationship between the side wall 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 . It can be clearly seen in FIG. 3 that the outer fixing portion 130 and the reinforcing structure 140 are located on opposite sides of the side wall 120 . The outer surface of the side wall 120 extends outward. The outer fixing portion 130 includes a fixing hole 132 . The fixing hole 132 is, for example, a through hole through which screws can pass through, and then the outer fixing portion 130 is fixed on the casing of the portable electronic device (not shown). In other embodiments, the fixing hole 132 may also be a screw hole, or the outer fixing portion 130 may not have the fixing hole 132 and be fixed to the casing of the portable electronic device by other means such as clamping.

The reinforcement structure 140 includes an inner side plate 141 and a plurality of connecting ribs 150 , 152 and 154 . The inner side plate 141 is arranged on the inner side of the side wall 120 at a portion corresponding to the outer fixing portion 130 . These connecting ribs 150 , 152 , 154 connect the inner side panel 141 to the side wall 120 , so that the connecting ribs 150 , 152 , 154 , the inner side panel 141 and the side wall 120 can be regarded as one body, rather than a single side wall, connected together The connecting ribs 150 , 152 , 154 , the inner side plate 141 and the side wall 120 have greater 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 outward.

Furthermore, 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 , 154 all extend to the bottom wall 110 , so that the connecting ribs 150 , 152 , 154 have better stability. In addition, as shown in FIG. 3 , the left side of the inner side panel 141 extends to the left side wall 121 , so that the inner side panel 141 has better stability. That is to say, in this embodiment, the inner side plate 141 connected to the left side wall 121 and the connecting ribs 150 , 152 , 154 connected to the bottom wall 110 are connected to the side wall 120 , thereby increasing the side wall 120 and the bottom wall 110 . As well as the connection strength between the side wall 120 and the side wall 121 , the side wall 120 has better structural strength. 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 outward. Certainly, in other embodiments, the connection relationship between the connecting ribs 150 , 152 , 154 and the inner side plate 141 is not limited thereto.

In addition, in the present embodiment, the side wall 120 has different heights in regions close to the outer fixing portion 130 . More specifically, in FIG. 3 , the height of the top 122 of the side wall 120 where it is connected to the outer fixing portion 130 is greater than the height of the top 123 . In this embodiment, in order to further reduce the probability of eversion of the side wall 120 , the height of the inner side panel 141 is designed to correspond to the height of the side wall 120 , and has height variations in different sections. More specifically, in this embodiment, the inner panel 141 has a higher first area 145 and a lower second area 146 , and the height of the top 142 of the inner panel 141 corresponds to the height of the top 122 of the side wall 120 , and the height of the top 143 of the inner panel 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 panel 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 panel 141 and the top 123 of the side wall 120 . Such a design The structural strength of the tops 122 and 123 of the sidewall 120 can be enhanced by the connected connecting ribs 150 and 154 and the inner side panel 141 , so as to better prevent the tops 122 and 123 of the sidewall 120 from turning over.

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

Returning to FIG. 2 , in this embodiment, the inner side plate 141 includes at least one locking hole 144 , and the second casing 180 includes at least one locking hook 182 corresponding to the locking hole 144 . In this embodiment, the numbers of the card holes 144 and the hooks 182 are, for example, multiple, but the numbers 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 hooks 182 of the second casing 180 protrude between the side wall 120 and the inner side plate 141 and are engaged with the locking holes 144 . In the present embodiment, the connecting ribs 150 , 152 , and 154 are disposed at positions that avoid the clamping holes 144 , for example, are located on both sides of the clamping holes 144 , so as to avoid interference with the clamping hooks 182 .

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

Referring back to FIG. 3 , in this embodiment, the connecting rib 152 extends downward from a bottom surface of the connecting plate 160 (marked in FIG. 4 ) to the bottom wall 110 , and the connecting rib 150 extends from the portion of the inner plate 141 close to the top 142 . to the bottom wall 110 . Therefore, the length of the connecting rib 152 is different from the length of the connecting rib 150 . In addition, in this embodiment, the height of the second area 146 of the inner panel 141 is smaller than that of the first area 145 , and the connecting rib 154 extends from the position of the inner panel 141 near the top 143 of the second area 146 to the bottom wall 110 . Therefore, the length of the connecting rib 154 is also different from the length of the connecting 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 of FIG. 2 from another perspective. FIG. 7 is a schematic view from another perspective of the first housing of FIG. 6 . FIG. 8 is a partial enlarged view of FIG. 7 . Please refer to FIGS. 6 to 8 , another outer 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 ribs 134 , thereby increasing the structural strength of the outer fixing portion 130 . In other words, when the outer fixing portion 130 is pressed down, the force will be transmitted to the side wall 120 through the outer rib 134 , so that the side wall 120 is more likely to be deformed at the portion connected to the outer rib 134 .

8 , in this embodiment, the positions of the two central connecting ribs 150 on an inner surface of the side wall 120 correspond to the positions of the two outer ribs 134 on an outer surface of the side wall 120 respectively. 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 being everted. 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 housing 100 includes a plurality of outer fixing portions 130 and corresponding reinforcing structures 140 , which may be the connection between the outer ribs 134 of one set of the outer fixing portions 130 and the reinforcing structures 140 . There is a positional correspondence between the ribs 150 , and the positions of the outer ribs 134 of the outer fixing portions 130 of other groups do not correspond to the positions of the connecting ribs 150 of the reinforcing structure 140 , or, the outer ribs 134 of the outer fixing portions 130 of each group are not corresponding to the reinforcing structure. The positions of the connecting ribs 150 of the 140 are corresponding, or the positions of the outer ribs 134 of the outer fixing portions 130 of each group and the positions of the connecting ribs 150 of the reinforcing structure 140 are not corresponding. The positional relationship between the outer rib 134 of the outer fixing portion 130 and the connecting rib 150 of the reinforcing structure 140 is not limited to the above.

To sum up, in the small battery pack case integration of the present invention, by arranging the reinforcement structure on the inner side of the side wall where the outer fixing portion is formed, the side wall can increase the structural strength through the reinforcement structure, and can reduce the pressure on the outer fixing portion The probability that the side wall will be everted at the same time. In addition, the height of the top of the inner side panel 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 side panel 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 above by the embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, The protection scope of the present invention shall be determined by the scope of the appended patent application.

10‧‧‧Integrated small battery pack housing 100‧‧‧First shell 110‧‧‧Bottom wall 112‧‧‧Cylindrical battery receiving groove 120, 121‧‧‧Sidewall 122, 123‧‧‧Top 130‧‧ ‧External fixing part 132‧‧‧Fixing hole 134‧‧‧Outer rib 140‧‧‧Reinforcement structure 141‧‧‧Inner side plate 142, 143‧‧‧Top 144‧‧‧Catching hole 145‧‧‧First area 146‧ ‧‧Second area 150, 152, 154‧‧‧Connecting ribs 160‧‧‧Connecting plate 180‧‧‧Second shell 182‧‧‧Hook

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

10‧‧‧Small battery pack case integration

100‧‧‧First shell

110‧‧‧Bottom wall

112‧‧‧Cylindrical battery holder

120‧‧‧Sidewall

130‧‧‧External Fixing

132‧‧‧Fixing hole

134‧‧‧External ribs

140‧‧‧Reinforcement structure

141‧‧‧Inner panel

144‧‧‧Card Holes

145‧‧‧First District

146‧‧‧Second District

150, 152, 154‧‧‧Connecting ribs

180‧‧‧Second shell

182‧‧‧Card Hook

Claims (10)

A small battery pack case integration, comprising: a first case, including: a side wall; an outer fixing portion extending outward from the side wall; and a reinforcing structure, the outer fixing portion and the reinforcing structure The structure is located on opposite sides of the side wall, and the reinforcing structure includes: an inner side plate, which is arranged on the inner side of the side wall at a position corresponding to the outer fixing portion, and the height of a top of the inner side plate corresponds to the height of a top of the side wall. height; and a plurality of connecting ribs, respectively connected to the inner side panel and the side wall, and respectively extending between the top of the inner side panel and the top of the side wall; and a second shell detachably assembled to the first shell. The small battery pack case integration as claimed in claim 1, wherein the first case includes a bottom wall connected to the side wall, and at least one of the connecting ribs extends to the bottom wall. According to the integration of the small battery pack case described in claim 2, wherein the inner side plate is suspended from the bottom wall, the reinforcing structure further comprises a connecting plate connecting a bottom of the inner side plate and the side wall, and connecting the These connect two adjacent ones of the ribs. The small battery pack case integration as claimed in claim 3, wherein one of the connecting ribs extends from a bottom surface of the connecting plate to the bottom wall, and the other connecting rib extends from the inner side plate near the top The portion extends to the bottom wall. The small battery pack case integration as claimed in claim 1, wherein the length of one of the connecting ribs is different from the length of the other connecting rib. The small battery pack case integration as claimed in claim 1, wherein the outer fixing portion comprises an outer rib, wherein a position of the connecting rib on an inner surface of the side wall corresponds to the position of the outer rib on the side wall position on the outer surface of the . The small battery pack case integration as described in claim 1, wherein a height of a portion of the top portion of the inner side panel is different from a height of another portion of the top portion. The case integration of the small battery pack as claimed in claim 1, wherein the inner side plate includes a snap hole, the second shell includes a snap hook corresponding to the snap hole, the snap hook extends into the side wall and The inner side plates are engaged with the clamping holes. The case integration of the small battery pack as described in claim 8, wherein the connecting ribs are located on both sides of the clamping hole. The small battery pack case integration as claimed in claim 1, wherein the first case includes a bottom wall connected to the side wall, the bottom wall includes a cylindrical battery accommodating groove, and the outer fixing portion includes a fixing hole.

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