Storage battery cover
A battery and battery shell technology, applied in the direction of battery components, circuits, electrical components, etc., can solve problems such as unstable positioning, unstable thermal welding quality, etc., and achieve the effect of reducing occupancy
Inactive Publication Date: 2010-09-22
上海哈登塑料技术有限公司
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Problems solved by technology
[0004] In order to solve the above technical problems, the present invention provides a battery cover, which overcomes the shortcomings of the existing battery cover when it is thermally welded with the battery case and the resulting instability of thermal welding quality, so that the battery cover can be connected to the battery case Reliable positioning on the heat sealing machine during heat welding, its structural design is conducive to the reliable fixing of the battery cover and the battery case during heat welding, as well as increasing the welding strength and sealing performance of the two
Method used
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[0020] Below in conjunction with accompanying drawing, the present invention will be further described.
[0021] Such as figure 1 , is the structural diagram of a common battery cover in the prior art, (1-3) is the outer surface 101, and the outer surface 101 is the surface of the battery cover that we usually see, and (1-2) is the right side view of (1-3) , it can be clearly seen that the positioning columns 102 connected to the inside of the outer surface 101 and perpendicular to the outer surface, in a common battery cover, each positioning column 102 is designed with the same structure, and the positioning and guiding effects are poor, making it difficult to place the battery Put the cover into the battery shell, (1-1) is the rear view of (1-3), this surface is the surface where the battery cover and the battery shell are thermally welded and in contact with each other, and the part welded to the end surface of the battery shell is the welded surface 103, The width A of t...
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The invention discloses a storage battery cover, comprising an outer surface and locating columns which are connected to the inside of the outer surface and are vertical to the outer surface. The storage battery cover is characterized in that the edge of the outer surface sinks by a certain width to form a fall with the original outer surface, therefore, the original outer surface is split into a sunk surface and a guide surface vertical to the sunk surface. The heads of the locating columns which are vertical to the end surfaces at the two ends of the sunk surface are designed into inclined planes, and the heads of the other locating columns close to the outer edge of the sunk surface are designed into vertical planes. The structure is beneficial to the reliable fixation of the storage battery cover and a storage battery shell in hot melting, has a function of assembly guiding and improves the hot melting efficiency as well as the hot melting quality and the product quality.
Description
technical field [0001] The invention relates to the technical field of storage batteries, in particular to the technical field of storage battery covers. Background technique [0002] Batteries have been widely used in various technical fields. The production process is generally to first make the battery case, assemble the electrodes composed of metal and its oxides in the battery case, and fill the dilute acid solution as the electrolyte, and then fix the battery cover on the On the heat sealing machine, the battery cover and the battery shell are thermally welded together by the heat sealing machine to form the battery. Since the battery is equipped with an electrolyte solution, and water will be produced through chemical reactions during work, the assembly requirements are strict, especially the shape and structure of the battery cover, which must be easy to assemble, reliably positioned on the heat sealing machine, and well welded to the battery case. . [0003] In th...
Claims
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IPC IPC(8): H01M2/04H01M50/15H01M50/169
CPCY02E60/10
Inventor 李海张立
Owner 上海哈登塑料技术有限公司