The present application belongs to the field of plug technology devices, and particularly relates to a connection structure and a conversion apparatus.
With the development of economy and the improvement of people’s living standards, increasingly more people travel, take vacations or work abroad frequently. During a business trip or travel, people carry electronic devices such as mobile phones, computers and cameras with them. To keep these electronic devices in normal use, the electronic devices must be charged.
Insertion holes of sockets in many countries are different. For example, insertion hole structures of a Chinese standard socket, an American standard socket, a European standard socket, etc. are different, so that electrical appliances produced in one country or region do not meet a power socket standard in another country or region, making commonly used plugs fail to be switched between countries for use.
At present, use of different plugs and sockets is implemented generally by using a conversion apparatus. The conversion apparatus comprises a plug and a power adapter, and the plug is slidably plugged in the power adapter. However, the plug and the power adapter that are plugged together are prone to reverse disengagement in a sliding direction, resulting in loose electrical connection between the plug and the power adapter.
An objective of an embodiment of the present application is to provide a connection structure, aiming at solving the problem of how to improve the reliability of connection between a plug and a power adapter.
To achieve the foregoing objective, the technical solution used in the present application is as follows:
According to a first aspect, a connection structure is provided, comprising: a first structural member and a second structural member matching the first structural member, wherein the first structural member comprises a base plate and plugging blocks connected to the base plate, two plugging blocks being provided at an interval; the second structural member is provided with plugging slots, one end of the plugging slot having an opening, and the other end of the plugging slot being provided with a blocking wall; two plugging slots are provided at an interval, and the two plugging blocks are respectively slidably plugged in the two plugging slots towards the two blocking walls; and the connection structure further comprises a limiting mechanism, and the limiting mechanism is capable of restraining the two plugging blocks from being separated from the two plugging slots, respectively in a direction away from the blocking walls.
In some embodiments, the limiting mechanism comprises an elastic arm connected to the base plate, having an elastic restoring force and located between the two plugging blocks; a first engagement portion connected to the elastic arm; and a second engagement portion in snap fit with the first engagement portion and located on the second structural member, wherein the base plate is provided with an avoidance groove at the position corresponding to the elastic arm.
In some embodiments, the first engagement portion is a first snap block arranged on the elastic arm in a protruding manner, the second engagement portion is a first snap slot provided in the second structural member, and the surface of the first snap block facing away from the blocking wall is provided with a first stop wall, the first stop wall being at least partially located in the first snap slot.
In some embodiments, the surface of the first snap block facing the blocking wall is provided with a first guide surface.
In some embodiments, the first engagement portion is a second snap slot provided in the elastic arm, the second engagement portion is a second snap block arranged on the second structural member in a protruding manner, and the surface of the second snap block facing away from the blocking wall is provided with a second stop wall, the second stop wall being at least partially located in the second snap slot.
In some embodiments, the surface of the second snap block facing the blocking wall is provided with a second guide surface.
In some embodiments, the limiting mechanism further comprises a toggle piece, and the toggle piece is connected to a free end of the elastic arm.
In some embodiments, at least one of slot walls of at least one of the plugging slots is provided with a first guide slot, a path extension direction of the first guide slot is the same as a path extension direction of the plugging slot, and a first guide strip matching the first guide slot is arranged on the plugging block at the position corresponding to the first guide slot in a protruding manner.
In some embodiments, a second guide strip is arranged on at least one of slot walls of at least one of the plugging slots in a protruding manner, a length direction of the second guide strip is the same as a path extension direction of the plugging slot, and the plugging block is provided with a second guide slot matching the second guide strip at the position corresponding to the second guide strip.
According to a second aspect, a conversion apparatus is provided, comprising a connection structure as described above, wherein the conversion apparatus further comprises a plug and a power adapter capable of being electrically connected to the plug, the base plate is connected to the plug, and the second structural member is connected to the power adapter.
In some embodiments, the plug is a Chinese standard plug, an American standard plug, a European standard plug, an Australian standard plug, a Korean standard plug or a British standard plug.
In some embodiments, the second structural member comprises a side plate and a cover plate, and the plugging slots are provided in the cover plate and extend to the side plate.
In some embodiments, the power adapter comprises electric pins electrically connected to the plug, the electric pins are rotatably arranged in the plugging slots, and the plugging block is provided with an accommodating hole for accommodating the electric pin.
The connection structure provided in the present application has the following beneficial effects: a first structural member is provided with two plugging blocks at an interval, a second structural member is provided with two plugging slots at an interval, the two plugging blocks are respectively slidably plugged in the two plugging slots, blocking walls restrict movement of the two plugging blocks in a plugging direction, and a limiting mechanism restrains, in a direction away from the blocking walls, the plugging blocks from sliding out of the corresponding plugging slots, so that the first structural member and the second structural member are not easily loosened, thereby improving the reliability of connection between the first structural member and the second structural member, and thus improving the reliability of connection between a plug and a power adapter.
To explain the technical solutions in the embodiments of the present application more clearly, the drawings used in description of the embodiments or exemplary technologies will be briefly introduced below. Obviously, the drawings described below show only some embodiments of the present application, and for a person of ordinary skill in the art, other drawings can be further obtained based on these drawings without involving any inventive effort.
Reference numerals in the drawings are as follows:
10. First structural member; 11. Base plate; 12. Plugging block; 111. Avoidance groove; 30. Limiting mechanism; 31. Toggle piece; 32. Elastic arm; 33. First snap block; 331. Stop wall; 332. First guide surface; 13. First guide strip; 211. Plugging slot; 212. Blocking wall; 213. Electric pin; 214. First guide slot; 20. Second structural member; 21. Cover plate; 22. Side plate; 100. Conversion apparatus; 101. Plug; 102. Power adapter; 34. First snap slot; 124. Accommodating hole.
The present application is described in further detail below with reference to the drawings and embodiments to explain the objectives, technical solutions, and advantages of the present application. It should be understood that the specific embodiments described herein are merely used to explain the present application and are not intended to limit the present application.
It should be noted that when a component is referred to as being “fixed to” or “arranged at” another component, the component may be directly located on the another component or indirectly located on the another component. When a component is referred to as being “connected to” another component, the component may be directly or indirectly connected to the another component. The orientations or positional relationships indicated by the terms such as “upper”, “lower”, “left”, and “right” are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present application. For a person of ordinary skill in the art, the specific meanings of the foregoing terms can be understood based on specific situations. The terms “first” and “second” are used for convenience of description only, and cannot be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of “a plurality of” is two or more, unless otherwise explicitly and specifically defined.
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The connection structure comprises: a first structural member 10 and a second structural member 20 matching the first structural member 10. Optionally, both the first structural member 10 and the second structural member 20 are made of a plastic material and are made by using an injection molding process. The plastic material is a solid material obtained by processing and molding or cross-linking and curing at a certain temperature and pressure after an additive is added with a polymer as a basic component. Because most polymers have good insulating properties, the polymers are widely used as insulating materials. Plastics fall into a thermoplastic category and a thermosetting category based on thermal behavior. It can be understood that in other embodiments, the first structural member 10 and the second structural member 20 may alternatively be made of a metal material by using a sheet metal process, which is not limited herein and can be selected based on the actual situations.
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It can be understood that by connecting the first structural member 10 to the plug 101 and connecting the second structural member 20 to the power adapter 102, the reliability of connection between the plug 101 and the power adapter 102 can be improved after the first structural member 10 is plugged in the second structural member 20.
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Optionally, the first stop wall 331 is substantially perpendicular to the direction in which the plugging block 12 is plugged in the plugging slot 211, and the first stop wall 331 abuts against a slot wall of the first snap slot 34 in the direction away from the blocking walls 212, so that under the combined action of the first stop wall 331 and the two blocking walls 212, the plugging block 12 is restrained from being separated from the corresponding plugging slot 211 in the plugging direction, thereby improving the reliability of connection between the first structural member 10 and the second structural member 20.
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In some embodiments, the surface of the second snap block facing the blocking wall 212 is provided with a second guide surface.
Optionally, the second guide surface is inclined in the direction away from one of the blocking walls 212, and the second guide surface can guide engagement of the second snap block into the second snap slot, so as to improve convenience of plugging the plugging block 12 into the plugging slot 211.
In some embodiments, the limiting mechanism 30 further comprises a toggle piece 31, and the toggle piece 31 is connected to the free end of the elastic arm 32.
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In some embodiments, at least one of slot walls of at least one of the plugging slots 211 is provided with a first guide slot 214, a path extension direction of the first guide slot 214 is the same as a path extension direction of the plugging slot 211, and a first guide strip 13 matching the first guide slot 214 is arranged on the plugging block 12 at the position corresponding to the first guide slot 214 in a protruding manner.
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In some embodiments, a second guide strip is arranged on at least one of slot walls of at least one of the plugging slots 211 in a protruding manner, a length direction of the second guide strip is the same as a path extension direction of the plugging slot 211, and the plugging block 12 is provided with a second guide slot matching the second guide strip at the position corresponding to the second guide strip.
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In some embodiments, the conversion apparatus 100 further comprises a plug 101 and a power adapter 102 capable of being electrically connected to the plug 101, the base plate 11 is connected to the plug 101, and the second structural member 20 is connected to the power adapter 102.
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The Chinese standard plug is a plug 101 which meets the Chinese standard.
The American standard plug is a plug 101 which meets the American standard.
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Optionally, a Korean standard plug is a plug 101 which meets the Korean standard.
Optionally, the power adapter 102 is further provided with a plurality of USB interfaces and/or a plurality of TYPE-C interfaces.
In some embodiments, the second structural member 20 comprises a side plate 22 and a cover plate 21, and the plugging slots 211 are provided in the cover plate 21 and extend to the side plate 22.
Optionally, a plate surface of the side plate 22 is arranged perpendicular to a plate surface of the cover plate 21, and both the side plate 22 and the cover plate 21 are connected to the power adapter 102.
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It can be understood that, by rotating the electric pins 213 by a predetermined angle so that each of the electric pins 213 is erected on the power adapter 102, the power adapter 102 can be independently electrically connected to a corresponding power socket, thereby improving convenience of using the conversion apparatus 100.
The foregoing is merely the optional embodiments of the present application, and is not intended to limit the present application. Various changes and variations may be made to the present application for a person skilled in the art. Any modification, equivalent replacement, improvement, and the like made within the spirit and principles of the present application should fall within the scope of protection of the present application.
This application claims the benefit under 35 U.S.C. § 365(c) and § 120 and is a continuation of International Patent Application Number PCT/CN2022/078035 filed Feb. 25, 2022, and titled CONNECTION STRUCTURE AND CONVERSION APPARATUS. The entire content of this application is incorporated herein by reference in its entirety.
Number | Date | Country | |
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Parent | PCT/CN2022/078035 | Feb 2022 | WO |
Child | 17950687 | US |