Bottle cap with reliable sealing function
A bottle cap, a reliable technology, applied in the field of wine bottle caps, can solve problems such as the gap between the bottle mouth and the inner plug, liquid leakage, etc., to prevent liquid splashing, ensure dimensional accuracy, and improve structural strength.
Active Publication Date: 2014-09-03
宜昌崟锦包装有限责任公司
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Problems solved by technology
but for example image 3 As shown in , the bottle mouth and the inner plug are sealed by interference fit. The existing problem is that when the external temperature changes greatly or is subjected to external force, there will be a gap between the bottle mouth and the inner plug, resulting in liquid leak
Method used
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Embodiment Construction
[0017] Such as Figure 1-3 Among them, a reliable sealing bottle cap includes an upper cap 1, an upper inner cap 2 fastened and connected with the upper cap 1, a bottle mouth 3 threaded with the upper inner cap 2, and a lower cap 5 connected with the outer wall of the bottle , the inner plug 4 connected with the inner wall of the bottle is characterized in that: the inner wall of the bottle mouth 3 is provided with a sealing ring groove 10, the upper end of the inner plug 4 is provided with an annular part 11, and the sealing ring groove 10 is It forms a plug-in sealing fit with the above-mentioned annular portion 11 . Existing technologies such as Figure 4 The plastic parts in it will shrink or become larger when subjected to changes in temperature, so that a complete sealing effect cannot be achieved, resulting in accidents of wine leakage, and the plastic parts will also age when subjected to changes in time, resulting in one-sided overheating. The slack of cooperation. ...
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The invention discloses a bottle cap with the reliable sealing function. The bottle cap with the reliable sealing function comprises an upper cap body, an upper inner cap body buckled with the upper cap body and a bottle mouth connected with the upper inner cap body in a threaded mode. The bottle cap further comprises a lower cap body connected with the outer wall of a bottle body and an inner plug connected with the inner wall of the bottle body. A sealing annular groove is formed in the inner wall of the bottle mouth. An annular portion is arranged at the upper end of the inner plug. Inserted connection type sealing matching is formed between the sealing annular groove and the annular portion. According to the bottle cap with the reliable sealing function, the sealing annular groove is adopted at the position needing interference fit, and materials with different rigidities are used in cooperation with the sealing annular groove, and therefore reliable sealing matching is achieved. Furthermore, a reinforcing portion is arranged at the position close to the sealing annular groove, improves the structural strength of the sealing annular groove and guarantees the size precision of the sealing annular groove. The arranged reinforcing portion provided with a through hole has the effect of preventing liquid from spattering.
Description
technical field [0001] The invention relates to the field of bottle caps for wine bottles, in particular to a reliable sealing bottle cap. Background technique [0002] In order to ensure attractive appearance, existing bottle caps generally adopt a structural form in which multiple components are combined. Among them, when there are many components, there are many positions that need to be sealed, and the thread seal part is relatively reliable. but for example image 3 As shown in , the bottle mouth and the inner plug are sealed by interference fit. The existing problem is that when the external temperature changes greatly or is subjected to external force, there will be a gap between the bottle mouth and the inner plug, resulting in Liquid leaks. cause quality accidents. Contents of the invention [0003] The technical problem to be solved by the invention is to provide a reliable sealing bottle cap, which can ensure reliable sealing. [0004] In order to solve the ...
Claims
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Login to View More IPC IPC(8): B65D51/18B65D41/28B65D55/02
Inventor 雷华良
Owner 宜昌崟锦包装有限责任公司