South African plug

Abstract

The utility model discloses a kind of South African plugs, comprising: shell, safety tube, first metal piece and second metal piece, the shell has installation cavity;The safety tube is located in the installation cavity;The first metal piece is fixed in the shell, and the first end of the first metal piece is connected with one end of the safety tube, and the second end of the first metal piece has fixed column for connecting to fire line;One end of the second metal piece is connected with the other end of the safety tube, and the other end is connected with at least one plug pin each other.The utility model can make the internal space wiring of plug overall less avoid the internal space crowded of plug, improve the security of overall, more simple and convenient in connection assembly process.

Description

Technical Field

[0001] This utility model relates to the field of plug technology, specifically to a South African plug. Background Technology

[0002] The South African standard power plug is a three-pin plug widely used in South Africa and several surrounding African countries. Its three pins are arranged in a triangle. In related technologies, to ensure electrical safety, especially to protect connected electrical equipment in the event of overcurrent or short circuit, many plugs need to install fuses inside. However, after adding fuses, the internal wiring structure of the plug becomes more complex, which can easily lead to space congestion in the plug and affect safety. In addition, the assembly process of connecting the plug to the cable is more cumbersome. Utility Model Content

[0003] This utility model aims to at least partially solve one of the technical problems in the related art. Therefore, one object of this utility model is to provide a South African plug, comprising: A housing having a mounting cavity; A fuse, wherein the fuse is disposed within the mounting cavity; A first metal component is fixed inside the housing, and a first end of the first metal component is connected to one end of the fuse. The second end of the first metal component has a fixing post for connecting to the live wire. A second metal component, one end of which is connected to the other end of the fuse, and the other end of which is connected to at least one pin.

[0004] Preferably, the housing comprises: Back cover; A cover body, the first side of which is fixed to the rear shell and together with the rear shell, accommodates the first metal part and the second metal part; A protective cover is provided on the second side of the cover body, and together with the cover body, it accommodates and fixes the fuse.

[0005] Preferably, the cover has a mounting portion recessed from the second side to the first side, and the protective cover covers the first side of the mounting portion and together with the mounting portion defines the mounting cavity.

[0006] Preferably, the cover is provided with a first fixing hole, a second fixing hole and a third fixing hole, a first pin is inserted into the first fixing hole, a second pin is inserted into the second fixing hole and a third pin is inserted into the third fixing hole, and the first pin is connected to the second metal part.

[0007] Preferably, the inner circumferential surfaces of the first fixing hole, the second fixing hole, and the third fixing hole are all provided with first positioning patterns, and the outer circumferential surfaces of the first pin, the second pin, and the third pin are all provided with second positioning patterns. The first positioning patterns are used to lock with the second positioning patterns in the circumferential direction.

[0008] Preferably, both the first positioning pattern and the second positioning pattern are formed by a plurality of bends connected sequentially along the circumferential direction.

[0009] Preferably, the protective cover includes: A plate body, the plate body being fitted into the first side of the cover body; A locking part is provided on the plate and extends toward the mounting cavity to lock and fix the fuse.

[0010] Preferably, the first metal component includes: The first engaging part extends into the mounting cavity and engages with the circumferential surface of the fuse. The first bending section is connected to the first engaging part and bends and extends to fit flush with the first side of the cover. A connecting segment is connected to the first bending segment, and the fixing post protrudes from the connecting segment.

[0011] Preferably, the second metal component includes: The second engaging part extends into the mounting cavity and engages with the circumferential surface of the fuse tube; The second bending section is connected to the second engaging part and bends and extends to fit flush with the first side of the cover. The contact segment is connected to the second bent segment and interconnected with at least one pin.

[0012] Preferably, the edge of the fixing post is connected to the edge of the connecting segment to form an installation gap, and the fixing post can be bent toward the installation gap.

[0013] The above-described solution of this utility model has at least the following beneficial effects: The South African plug provided by this utility model can connect the live wire to the fixing post of the first metal part, so that the live wire can be connected to at least one pin through the first metal part, the fuse and the second metal part. This reduces the wiring in the internal space of the plug, avoids internal space congestion, improves overall safety, and makes the connection and assembly process simpler and more convenient.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the South African plug provided in this embodiment of the utility model; Figure 2 This is an exploded view of the South African plug provided in this embodiment of the present invention; Figure 3 This is a partial exploded view of the South African plug provided in this embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of the first metal part provided in the embodiment of this utility model; Figure 5 This is a schematic diagram of the structure of the second metal part provided in the embodiment of this utility model; Figure 6 This is a schematic diagram of the structure of the protective cover and fuse provided in the embodiments of this utility model; Explanation of icon numbers: 10. Housing; 101. Mounting cavity; 11. Rear housing; 111. Mounting part; 112. First positioning groove; 12. Cover; 13. Protective cover; 131. Plate; 132. Clamping part; 14. First pin; 15. Second pin; 16. Third pin; 17. Second positioning groove; 20. Fuse; 30. First metal part; 31. Fixing post; 32. First engaging part; 33. First bending section; 34. Connecting section; 40. Second metal part; 41. Second engaging part; 42. Second bending section; 43. Contact section.

[0017] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0019] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0021] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0023] The South African plug of this utility model embodiment is described in detail below with reference to the accompanying drawings.

[0024] Reference Figures 1 to 3 As shown, the South African plug provided in this embodiment of the present invention includes: a housing 10, a fuse 20, a first metal part 30, and a second metal part 40. The housing 10 has a mounting cavity 101; the fuse 20 is disposed in the mounting cavity 101; the first metal part 30 is fixed in the housing 10, and the first end of the first metal part 30 is connected to one end of the fuse 20, and the second end of the first metal part 30 has a fixing post 31 for connecting to the live wire; one end of the second metal part 40 is connected to the other end of the fuse 20, and the other end is connected to at least one pin.

[0025] In this embodiment, the fixing post 31 is a hollow structure. The live wire can be passed through the fixing post 31 or wrapped around the fixing post 31, and the live wire is locked and fixed to the fixing post 31 by screws. The fuse 20 is made of lead-tin alloy or lead-antimony alloy material. When the plug experiences an overload or short circuit fault, if the current through the fuse 20 exceeds the fusing current, the fuse inside the fuse 20 will melt and cut off the live wire to provide overcurrent protection. The first metal part 30 and the second metal part 40 can be snapped into the housing 10 or fixed in the housing 10 by bolts or other means.

[0026] Reference Figure 2 and Figure 3 As shown, the housing 10 includes a rear housing 11, a cover 12, and a protective cover 13. The first side of the cover 12 is fixed to the rear housing 11 and together with the rear housing 11, accommodates the first metal part 30 and the second metal part 40. The protective cover 13 is located on the second side of the cover 12 and together with the cover 12, accommodates and fixes the fuse 20. The rear housing 11 and the cover 12 can be fixed by a snap-fit ​​or by screws. The protective cover 13 and the cover 12 are detachably connected by a snap-fit ​​to enclose the fuse 20 in the mounting cavity 101. The edge of the rear housing 11 can be provided with cable holes to allow the live wire, neutral wire, and ground wire to extend into the plug for connection and fixation.

[0027] As a preferred approach, combining Figure 6 As shown, the protective cover 13 includes a plate 131 and a clamping part 132. The plate 131 is fitted into the first side of the cover 12. The clamping part 132 is disposed on the plate 131 and extends toward the mounting cavity 101 to clamp and fix the fuse 20. The clamping part 132 is an arc-shaped structure with two sides facing each other and bending inward. The protective cover 13 is made of plastic. When the clamping part 132 is subjected to force, it can deform outward to clamp the fuse 20 inside. When it is necessary to install or replace the fuse 20, the fuse 20 is clamped by the protective cover 13, so that the fuse 20 can be installed into the mounting cavity 101 together with the protective cover 13. When disassembling the fuse 20, the fuse 20 can be disassembled together by the protective cover 13, making the disassembly and assembly operation simpler and more convenient.

[0028] Furthermore, the cover 12 has a mounting portion 111 recessed from the second side to the first side, and the protective cover 13 covers the first side of the mounting portion 111, and together with the mounting portion 111 defines the mounting cavity 101, in conjunction with... Figure 4 As shown, the first metal part 30 includes: a first engaging part 32, a first bent section 33, and a connecting section 34. The first engaging part 32 extends into the mounting cavity 101 and engages with the circumferential surface of the fuse tube 20. The first bent section 33 is connected to the first engaging part 32 and bends and extends to fit flush with the first side of the cover body 12. The connecting section 34 is connected to the first bent section 33, and the fixing post 31 protrudes from the connecting section 34.

[0029] In this embodiment, the first engaging portion 32 of the first metal part 30 can extend into the mounting cavity 101 via the mounting portion 111. The first engaging portion 32 is formed by a continuous bending structure and can deform under force, so that the first engaging portion 32 can pass through the mounting portion 111 and engage in the mounting cavity 101, while simultaneously securing the fuse 20. The first bent section 33 can extend from the mounting portion 111 of the cover 12 and fit against the mounting portion 111 of the cover 12. The connecting section 34 can fit against the cover 12, and the cover 12 can be provided with fittings. The groove allows the first metal part 30 to be fitted and fixed, thereby making the first metal part 30 fit more tightly with the cover 12 and reducing the space occupied. Preferably, the edge of the fixing post 31 is connected to the edge of the connecting section 34 and forms an installation gap. The fixing post 31 can be bent toward the installation gap. When the live wire is inserted into the fixing post 31, the fixing post 31 can be bent and deformed so that the fixing post 31 is bent to fit with the connecting section 34. This allows the live wire to be interlocked and fixed by the fixing post 31 and the connecting section 34, ensuring that the live wire connection is simpler and more stable.

[0030] Combination Figure 5As shown, the second metal part 40 includes: a second engaging portion 41, a second bent section 42, and a contact section 43. The second engaging portion 41 extends into the mounting cavity 101 and engages with the circumferential surface of the fuse tube 20. The second bent section 42 is connected to the second engaging portion 41 and bends to extend to be flush with the first side of the cover 12. The contact section 43 is connected to the second bent section 42 and is interconnected with at least one pin. The second engaging portion 41 extends into the mounting cavity 101 via the mounting portion 111. Like the first engaging portion 32, the second engaging portion 41 can also be formed using a continuous bending structure, allowing it to deform under stress. This allows the second engaging portion 41 to pass through the mounting portion 111 and engage within the mounting cavity 101, simultaneously securing the fuse 20. The second bent section 42 can also extend from the mounting portion 111 of the cover 12 and fit against it. The contact section 43 can fit against the cover 12. A fitting groove can also be provided on the cover 12 for the second metal part 40 to fit and be fixed, allowing it to make contact with the pin corresponding to the live wire. This ensures that the first metal part 30 and the cover 12... The fit between the components is tighter, reducing space occupation. Furthermore, since the first metal part 30, the fuse 20, and the second metal part 40 are connected in series and connected to the first metal part 30 via the live wire to make the live wire conduction with its corresponding pin, the overall spatial layout is simpler, and the conduction between the live wire and the fuse 20 and the pin can be achieved without additional wiring. It is understood that the engaging force of the first engaging part 32 and the second engaging part 41 should be less than the engaging force of the locking part 132. When the fuse 20 is removed through the protective cover 13, the fuse 20 can overcome the engaging force of the first engaging part 32 and the second engaging part 41 and detach from the mounting cavity 101, so that it can be removed together with the protective cover 13, ensuring that the installation of the fuse 20 is simpler.

[0031] Specifically, the cover 12 is provided with a first fixing hole, a second fixing hole, and a third fixing hole. A first pin 14 passes through the first fixing hole, a second pin 15 passes through the second fixing hole, and a third pin 16 passes through the third fixing hole. The first pin 14 is connected to the second metal part 40. The first pin 14 is the live wire pin, the second pin 15 is the neutral wire pin, and the third pin 16 is the ground wire pin. Furthermore, the inner circumferential surfaces of the first, second, and third fixing holes are all provided with first positioning patterns 112, and the outer circumferential surfaces of the first pin 14, second pin 15, and third pin 16 are all provided with second positioning patterns. 17. The first positioning pattern 112 is used to lock with the second positioning pattern 17 in the circumferential direction. The first pin 14, the second pin 15 and the third pin 16 are all cylindrical structures. By locking with the first positioning pattern 112 and the second positioning pattern 17, the connection between the first pin 14, the second pin 15 and the third pin 16 and the cover 12 is more tight and reliable. It can be understood that the first positioning pattern 112 and the second positioning pattern 17 are formed by several bends connected in sequence in the circumferential direction, so that the first pin 14, the second pin 15 and the third pin 16 will not rotate, and the connection is tighter.

[0032] The South African plug provided by this utility model can connect the live wire to the fixing post 31 of the first metal part 30, so that the live wire can be connected to at least one pin through the first metal part 30, the fuse and the second metal part 40. This reduces the wiring in the internal space of the plug, avoids internal space congestion, improves overall safety, and makes the connection and assembly process simpler and more convenient.

[0033] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0034] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A South African plug, characterized in that, include: A housing having a mounting cavity; A fuse, wherein the fuse is disposed within the mounting cavity; A first metal component is fixed inside the housing, and a first end of the first metal component is connected to one end of the fuse. The second end of the first metal component has a fixing post for connecting to the live wire. A second metal component, one end of which is connected to the other end of the fuse, and the other end of which is connected to at least one pin.

2. The South African plug according to claim 1, characterized in that, The housing includes: Back cover; A cover body, the first side of which is fixed to the rear shell and together with the rear shell, accommodates the first metal part and the second metal part; A protective cover is provided on the second side of the cover body, and together with the cover body, it accommodates and fixes the fuse.

3. The South African plug according to claim 2, characterized in that, The cover has a mounting portion recessed from the second side to the first side, and the protective cover covers the first side of the mounting portion and together with the mounting portion defines the mounting cavity.

4. The South African plug according to claim 2, characterized in that, The cover is provided with a first fixing hole, a second fixing hole and a third fixing hole. A first pin is inserted into the first fixing hole, a second pin is inserted into the second fixing hole and a third pin is inserted into the third fixing hole. The first pin is connected to the second metal part.

5. The South African plug according to claim 4, characterized in that, The inner circumferential surfaces of the first fixing hole, the second fixing hole, and the third fixing hole are all provided with first positioning patterns, and the outer circumferential surfaces of the first pin, the second pin, and the third pin are all provided with second positioning patterns. The first positioning patterns are used to lock with the second positioning patterns in the circumferential direction.

6. The South African plug according to claim 5, characterized in that, Both the first positioning pattern and the second positioning pattern are formed by several bends connected sequentially along the circumferential direction.

7. The South African plug according to claim 2, characterized in that, The protective cover includes: A plate body, the plate body being fitted into the first side of the cover body; A locking part is provided on the plate and extends toward the mounting cavity to lock and fix the fuse.

8. The South African plug according to claim 2, characterized in that, The first metal component includes: The first engaging part extends into the mounting cavity and engages with the circumferential surface of the fuse. The first bending section is connected to the first engaging part and bends and extends to fit flush with the first side of the cover. A connecting segment is connected to the first bending segment, and the fixing post protrudes from the connecting segment.

9. The South African plug according to claim 8, characterized in that, The second metal component includes: The second engaging part extends into the mounting cavity and engages with the circumferential surface of the fuse tube; The second bending section is connected to the second engaging part and bends and extends to fit flush with the first side of the cover. The contact segment is connected to the second bent segment and interconnected with at least one pin.

10. The South African plug according to claim 8, characterized in that, The edge of the fixing post is connected to the edge of the connecting section and forms an installation gap, and the fixing post can be bent toward the installation gap.

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