Plug inner frame

Abstract

The utility model provides a plug inner frame which comprises an inner frame body, and a pin assembly is arranged on the surface of the inner frame body in a penetrating mode. A first through hole is formed in the inner frame body, a grounding assembly is arranged in the first through hole, a protruding part and a fixing part which are connected with the grounding assembly are arranged on the two sides of the inner frame body respectively, and a trapezoidal force unloading part is arranged on the side, away from the fixing part, of the protruding part. The trapezoidal force unloading part is arranged on one side of the convex part, and triangular force unloading is adopted, so that a supporting effect can be effectively achieved during injection molding of an outer mold, and potential safety hazards caused by the fact that a grounding bolt of a socket cannot be inserted into a grounding hole of a plug due to the fact that colloid is heated, stressed, extruded and deformed during injection molding are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of plug inner frames, in particular to a plug inner frame. Background Art

[0002] The European plug inner frame is a power plug that uses EU standards as a reference standard.

[0003] During the injection molding of the existing plug, the colloid is deformed by heat and force, which causes the grounding pin of the socket to be unable to be inserted into the grounding hole of the plug, resulting in a safety hazard. Utility Model Content

[0004] (1) Technical issues to be resolved

[0005] The problem to be solved by the present invention is to provide an inner frame of a plug. The present invention adopts a triangular force unloading structure, which can more effectively play a supporting role during the injection molding of the outer mold, thereby preventing the colloid from being squeezed and deformed by heat and force during the injection molding, which may cause the grounding pin of the socket to be unable to be inserted into the grounding hole of the plug, thereby causing a safety hazard.

[0006] (2) Technical solution

[0007] In order to solve the technical problem, the utility model provides a plug inner frame, including an inner frame main body, a pin assembly is provided through the surface of the inner frame main body; a first through hole is provided on the inner frame main body, a grounding assembly is provided in the first through hole, and a protrusion and a fixing portion connected to the grounding assembly are respectively provided on both sides of the inner frame main body, and a trapezoidal unloading portion is provided on the side of the protrusion away from the fixing portion.

[0008] In this solution, a trapezoidal force unloading portion is provided on one side of the raised portion, and a triangular force unloading portion is adopted, which can more effectively play a supporting role during the injection molding of the outer mold, preventing the colloid from being squeezed and deformed by heat and force during injection molding, which may cause the grounding pin of the socket to be unable to be inserted into the grounding hole of the plug, thereby creating a safety hazard.

[0009] Preferably, an oblique rib is provided between a side surface of the fixing portion close to the raised portion and an upper end surface of the inner frame body.

[0010] In this solution, the product can be prevented from deformation and breakage by setting diagonal ribs.

[0011] Preferably, the trapezoidal force unloading portion includes a first inclined surface, a second inclined surface and a triangular surface, and the two side edges of the raised portion away from the fixed portion protrude inward to form the first inclined surface and the second inclined surface respectively, and a convex ridge is formed at the intersection of the first inclined surface and the second inclined surface, and the lower side edge of the raised portion protrudes upward to form the triangular surface and intersects with a vertex of the convex ridge.

[0012] Preferably, the grounding component includes a grounding plate, and a spring piece 1 and a spring piece 2 are extended from the surface of the grounding plate. The spring piece 1 and the spring piece 2 are connected to the inner frame body, and the spring piece 1 and the spring piece 2 are integrally arranged.

[0013] As a further preference, a bayonet is provided on the surface of the spring piece 1 and the spring piece 2, and a buckle portion is provided on the side where the protrusion and the fixed portion are away from each other, and the bayonet is connected to the buckle portion on the protrusion and the fixed portion to connect the spring piece 1 and the spring piece 2 to the inner frame body.

[0014] In this solution, through the engagement relationship between the bayonet and the buckle portion, the spring piece 1 and the spring piece 2 can be directly and stably connected to the inner frame body, which has the effect of convenient and stable installation.

[0015] As a further preference, a reinforcing rib seat is provided on the surface of the inner frame body, and a triangular reinforcing block is provided between the side of the protruding portion close to the fixing portion and the upper end surface of the reinforcing rib seat.

[0016] In this solution, the stability of the plug is enhanced by providing a reinforcement block.

[0017] As a further preference, the raised portion extends to the lower side of the inner frame body, a mounting groove is opened on the raised portion located on the lower side of the inner frame body, a limiting clip is provided on the grounding component, and the limiting clip is installed in the mounting groove.

[0018] In this solution, by providing a limiting clip, the grounding component can be better connected and limited to the inner frame body to prevent the position from shifting.

[0019] As a further preference, the pin assembly, the first spring and the second spring are made of low-lead brass.

[0020] Preferably, the pin assembly includes a hollow pin 1 and a hollow pin 2; the interior of the pin assembly is filled with a high-temperature resistant plastic material, and the surface of the pin assembly is made of copper material.

[0021] (3) Beneficial effects

[0022] The utility model provides a plug inner frame,

[0023] (1) By setting a trapezoidal unloading part on one side of the protrusion and adopting a triangular unloading part, it can play a more effective supporting role during the injection molding of the outer mold, preventing the colloid from being squeezed and deformed by heat and force during injection molding, which may cause the grounding pin of the socket to be unable to be inserted into the grounding hole of the plug, thereby causing a safety hazard;

[0024] (2) The product can be prevented from deformation and breakage by setting diagonal ribs;

[0025] (3) Through the engagement relationship between the bayonet and the buckle portion, the spring piece 1 and the spring piece 2 can be directly and stably connected to the inner frame body, which has the effect of convenient and stable installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0027] Figure 1 This is a schematic diagram of the first structure of a plug inner frame of the utility model;

[0028] Figure 2 This is a second structural diagram of a plug inner frame of the utility model;

[0029] Figure 3 This is a schematic diagram of the exploded structure of a plug inner frame of the utility model;

[0030] Figure 4 This is a third structural diagram of a plug inner frame of the utility model;

[0031] Figure 5 This is a schematic diagram of the structure of a plug inner frame with a hidden grounding component according to the present invention.

[0032] The names of the components corresponding to the various figure marks in the figure are: 1. Inner frame main body; 11. First through hole; 12. Mounting slot; 2. Pin assembly; 21. Hollow pin one; 22. Hollow pin two; 3. Grounding assembly; 31. Grounding plate; 32. Spring piece one; 33. Spring piece two; 34. Bayonet; 35. Buckle part; 36. Limiting clip; 4. Raised part; 5. Fixed part; 6. Trapezoidal unloading part; 61. First inclined surface; 62. Second inclined surface; 63. Triangular surface; 64. Protruding ridge; 7. Oblique rib; 8. Reinforcement rib seat; 9. Triangular reinforcement block. DETAILED DESCRIPTION

[0033] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] The following describes the embodiments of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the features in the following embodiments and embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of this application.

[0035] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement an apparatus and / or practice a method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this apparatus and / or practice this method.

[0036] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The illustrations only show components related to the present application and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0037] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples, however, one skilled in the art will appreciate that the examples can be practiced without these specific details.

[0038] The following describes the technical solutions provided by various embodiments of the present application in conjunction with the accompanying drawings.

[0039] See Figures 1 to 5 The utility model provides a plug inner frame, including an inner frame body 1, a pin assembly 2 is provided through the surface of the inner frame body 1; a first through hole 11 is provided on the inner frame body 1, a grounding assembly 3 is provided in the first through hole 11, and a protrusion 4 and a fixing portion 5 connected to the grounding assembly 3 are respectively provided on both sides of the inner frame body 1, and a trapezoidal unloading portion 6 is provided on the side of the protrusion 4 away from the fixing portion 5.

[0040] Furthermore, as a preferred embodiment, the trapezoidal unloading portion 6 includes a first inclined surface 61, a second inclined surface 62 and a triangular surface 63, and the two side edges of the side surface of the raised portion 4 away from the fixed portion 5 protrude inward to form the first inclined surface 61 and the second inclined surface 62 respectively, and a convex ridge 64 is formed at the intersection of the first inclined surface 61 and the second inclined surface 62, and the lower side edge of the raised portion 4 protrudes upward to form the triangular surface 63 and intersects with a vertex of the convex ridge 64.

[0041] Specifically, in this embodiment, the surface of the inner frame body 1 is provided with a pin assembly 2 extending through it. There are two pin assemblies 2, one on each side. A protrusion 4 is provided on the front side of the inner frame body 1, and a fixing portion 5 is provided on the rear side of the inner frame body 1. A trapezoidal force-relieving portion 6 is provided on the side of the protrusion 4 away from the fixing portion 5. A fixing groove is provided on the side of the protrusion 4 away from the fixing portion 5, with both the upper end and the front side open. The protrusion 4 is rectangular in shape, and has rounded guide surfaces on both sides of the end near the fixing portion 5. The fixing portion 5 is rectangular in shape, and the fixing portion 5 and the protrusion 4 have the same length, while the width and height of the protrusion 4 are both greater than the length and width of the fixing portion 5. The upper end surface of the fixing portion 5 is inclined downward from the side away from the protrusion 4 to the side near the protrusion 4. The rear end of the fixing portion 5 protrudes outward to form a connecting portion. The fixing portion 5 is protruded outward from the wall of the fixing groove on the side of the protrusion 4. Reinforcing ribs are provided at the ridges 64.

[0042] Specifically, in this embodiment, a trapezoidal unloading portion 6 is provided on one side of the raised portion 4, and a triangular unloading portion is adopted, which can more effectively play a supporting role during the injection molding of the outer mold, thereby preventing the colloid from being squeezed and deformed by heat and force during the injection molding, which may cause the grounding pin of the socket to be unable to be inserted into the grounding hole of the plug, thereby creating a safety hazard.

[0043] Furthermore, as a preferred embodiment, an oblique rib 7 is provided between a side surface of the fixing portion 5 close to the raised portion 4 and an upper end surface of the inner frame body.

[0044] Specifically, in this embodiment, the oblique ribs 7 can be provided to prevent the product from being deformed and broken.

[0045] Furthermore, as a preferred embodiment, the pin assembly 2 includes a hollow pin 1 21 and a hollow pin 2 22 ; the interior of the pin assembly 2 is filled with a high-temperature resistant plastic material, and the surface of the pin assembly 2 is made of copper material.

[0046] Furthermore, as a preferred embodiment, the grounding component 3 includes a grounding plate 31, and a spring piece 1 32 and a spring piece 2 33 are extended from the surface of the grounding plate 31. The spring piece 1 32 and the spring piece 2 33 are connected to the inner frame body 1, and the spring piece 1 32 and the spring piece 2 33 are integrally arranged.

[0047] Furthermore, as a preferred embodiment, the pin assembly 2, the spring piece 1 32 and the spring piece 2 33 are made of low-lead brass.

[0048] Specifically, in this embodiment, a pin is provided on the grounding plate 31. The pin can be hollow or solid. The hollow structure of the pin assembly 2 reduces material usage. The outer wall thickness of the hollow structure is uniform, reducing material usage and ensuring uniform pressure on the pin assembly 2 in all directions, thereby preventing damage to the pin assembly 2. The hollow structure also helps reduce material usage and production costs. The copper material used is low-lead brass. The spring clip 1 32, the spring clip 2 33, and the integrally molded structure thereon are all made of low-lead brass. The pin assembly 2, the spring clip 1 32, and the spring clip 2 33 are also made of low-lead brass. Therefore, the inner frame of this plug is environmentally friendly and complies with EU regulations. The plastic material is modified engineering plastic. More specifically, in this embodiment, this material has excellent mechanical properties, heat aging resistance, solvent resistance, water stability, and insulation properties. It maintains stable electrical properties even in humid and high-temperature environments, making it an ideal material for manufacturing electronic and electrical devices.

[0049] Furthermore, as a preferred embodiment, a bayonet 34 is provided on the surface of the spring piece 1 32 and the spring piece 2 33, and a buckle portion 35 is provided on the side where the protrusion 4 and the fixing portion 5 are away from each other. The bayonet 34 is connected to the buckle portion 35 on the protrusion 4 and the fixing portion 5 to connect the spring piece 1 32 and the spring piece 2 33 to the inner frame body 1.

[0050] Specifically, in this embodiment, the snap-fit portion 35 is a protrusion protruding outward from the surface of the inner frame body 1, one of which is provided at the bottom of the fixing groove of the raised portion 4, near the side of the trapezoidal unloading portion 6, and the other is provided at the upper end surface of the fixing portion 5. The engagement between the bayonet 34 and the protrusion allows the spring piece 1 32 and the spring piece 2 33 to be directly and stably connected to the inner frame body 1. During installation, since the protrusion is provided with an arc portion, the bayonet 34 can more easily pass through the arc portion and completely engage with the protrusion during engagement, resulting in convenient and stable installation. A gap portion is formed at the engagement between the spring piece 1 32 and the spring piece 2 33 and the two protrusions. The provision of the gap portion ensures that the spring piece 1 32 and the spring piece 2 33 are stably closed, while also achieving the effects of saving materials and protecting the environment.

[0051] Specifically, in this embodiment, through the engagement relationship between the bayonet 34 and the buckle portion 35 , the spring piece 1 32 and the spring piece 2 33 can be directly and stably connected to the inner frame body 1 , which has the effect of convenient and stable installation.

[0052] Furthermore, as a preferred embodiment, a reinforcing rib seat 8 is provided on the surface of the inner frame body 1 , and a triangular reinforcing block 9 is provided between the side of the protrusion 4 close to the fixing portion 5 and the upper end surface of the reinforcing rib seat 8 .

[0053] Furthermore, as a preferred embodiment, the raised portion 4 extends to the lower side of the inner frame body 1, and a mounting groove 12 is opened on the raised portion 4 located on the lower side of the inner frame body 1, and a limiting clip 36 is provided on the grounding component 3, and the limiting clip 36 is installed in the mounting groove 12.

[0054] Specifically, in this embodiment, the reinforcing rib seat 8 helps to improve the structural strength of the inner frame body 1, thereby increasing its service life. The triangular reinforcing block 9 further improves the stability of the reinforcing rib seat 8. The limiting clip 36 is used to connect the external wire post to the inner frame body 1, and has a good clamping effect to prevent loosening. The limiting clip 36 is made of copper sheet. The surfaces of the spring clip 1 32, the spring clip 2 33, and the limiting clip 36 are all provided with reinforcing ribs to ensure the clamping force. On the one hand, it can improve the structural strength and stability of the spring clip 1 32, the spring clip 2 33, and the limiting clip 36, and on the other hand, it can ensure the clamping stability of the limiting clip 36.

[0055] The same or similar parts between the various embodiments in this specification can be referred to each other, and each embodiment focuses on the differences from other embodiments.

[0056] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A plug inner frame, characterized by: The invention comprises an inner frame body (1), wherein a pin assembly (2) is provided through the surface of the inner frame body (1); a first through hole (11) is provided on the inner frame body (1), a grounding assembly (3) is provided in the first through hole (11), a raised portion (4) and a fixed portion (5) connected to the grounding assembly (3) are provided on both sides of the inner frame body (1), and a trapezoidal unloading portion (6) is provided on the side of the raised portion (4) away from the fixed portion (5).

2. The plug inner frame according to claim 1, characterized in that: An oblique rib (7) is provided between a side surface of the fixing portion (5) close to the raised portion (4) and an upper end surface of the inner frame body (1).

3. The plug inner frame according to claim 1, characterized in that: The trapezoidal unloading portion (6) comprises a first inclined surface (61), a second inclined surface (62) and a triangular surface (63); two side edges of the side surface of the raised portion (4) away from the fixed portion (5) are raised inward to form the first inclined surface (61) and the second inclined surface (62), respectively; and a convex ridge (64) is formed at the intersection of the first inclined surface (61) and the second inclined surface (62); the lower side edge of the raised portion (4) is raised upward to form the triangular surface (63) and intersects with a vertex of the convex ridge (64).

4. The plug inner frame according to claim 1, characterized in that: The grounding assembly (3) includes a grounding plate (31), and a spring piece 1 (32) and a spring piece 2 (33) are extended from the surface of the grounding plate (31). The spring piece 1 (32) and the spring piece 2 (33) are connected to the inner frame body (1), and the spring piece 1 (32) and the spring piece 2 (33) are integrally arranged.

5. The plug inner frame according to claim 4, characterized in that: The surfaces of the spring piece 1 (32) and the spring piece 2 (33) are both provided with a bayonet (34), and a buckle portion (35) is provided on the side of the protrusion (4) and the fixing portion (5) away from each other. The bayonet (34) is connected to the buckle portion (35) on the protrusion (4) and the fixing portion (5) to connect the spring piece 1 (32) and the spring piece 2 (33) to the inner frame body (1).

6. The plug inner frame according to claim 5, characterized in that: A reinforcing rib seat (8) is provided on the surface of the inner frame body (1), and a triangular reinforcing block (9) is provided between a side of the raised portion (4) close to the fixing portion (5) and an upper end surface of the reinforcing rib seat (8).

7. The plug inner frame according to claim 6, characterized in that: The raised portion (4) extends to the lower side of the inner frame body (1); a mounting groove (12) is provided on the raised portion (4) located on the lower side of the inner frame body (1); a limiting clip (36) is provided on the grounding component (3); and the limiting clip (36) is installed in the mounting groove (12).

8. The plug inner frame according to claim 1, characterized in that: The pin assembly (2) comprises a hollow pin 1 (21) and a hollow pin 2 (22); the interior of the pin assembly (2) is filled with a high-temperature resistant plastic material, and the surface of the pin assembly (2) is made of copper material.

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