A metal connector

Abstract

The present invention proposes a metal connector, which includes a rubber core component, a socket housing, a first waterproof ring, a shielding sheet and an annular pressure plate. In particular, the rubber core component is inserted into the socket housing; the first waterproof ring is installed in the socket housing; the shielding sheet is installed in the first waterproof ring and is located at the periphery of the rubber core component; the annular pressure plate presses against the first waterproof ring and the shielding sheet, the lower surface of the annular pressure plate contacts the shielding sheet, and the upper surface of the annular pressure plate is provided with a first limiting portion that limits the displacement of the first waterproof ring, and the first limiting portion contacts the first waterproof ring, so that the periphery of the shielding sheet forms a sealed waterproof structure. The shielding sheet of the metal connector of the present invention is in a sealed environment, and has the characteristics of good waterproof effect, simple structure and easy assembly.

Description

Technical Field

[0001] The invention relates to the technical field of automobile connectors, and in particular to a metal connector. Background Art

[0002] The shield contact structure of the current metal connector is located outside the waterproof structure, not within the sealed environment protection of the waterproof structure. In the long-term use environment, the shield structure is prone to corrosion, resulting in poor contact of the shield structure and excessive contact resistance. If the situation is serious, the shield structure will corrode and break, causing the shield structure to completely fail, affecting the shielding effectiveness of the entire vehicle; the connector shell will corrode in an exposed use environment due to wear of the coating due to vibration and friction, affecting the durability and reliability of the connector product, and the structure is not reliable. Summary of the invention

[0003] The object of the present invention is to provide a metal connector, wherein the shielding sheet is in a sealed environment and has the characteristics of good waterproof effect, simple structure and easy assembly.

[0004] The present invention provides a metal connector, comprising a rubber core assembly, a socket shell, a first waterproof ring, a shielding sheet and an annular pressure plate. In particular, the rubber core assembly is inserted into the socket shell; the first waterproof ring is installed in the socket shell; the shielding sheet is installed in the first waterproof ring and is located at the outer periphery of the rubber core assembly; the annular pressure plate is pressed against the first waterproof ring and the shielding sheet, the lower surface of the annular pressure plate is in contact with the shielding sheet, and the upper surface of the annular pressure plate is provided with a first limiting portion that limits the displacement of the first waterproof ring, and the first limiting portion is in contact with the first waterproof ring so that a sealed waterproof structure is formed around the shielding sheet.

[0005] Optionally, the socket housing includes a base plate, a first annular ring arranged on the base plate, and a second annular ring arranged inside the first annular ring; the second annular ring passes through the base plate, and the rubber core assembly is installed in the second annular ring; the first waterproof ring is sleeved on the outer periphery of the second annular ring.

[0006] Optionally, the first limiting portion is a bending portion arranged on the outer circumference of the annular pressing plate and folded toward the lower end of the annular pressing plate, and the lower end surface of the bending portion abuts against the end surface of the first waterproof ring.

[0007] Optionally, a support frame for placing the shielding sheet is provided inside the second annular ring;

[0008] A second limiting portion for fixing the displacement of the shielding sheet is provided at the lower end of the annular pressure plate. The second limiting portion is in a hook shape. The second limiting portion is provided on a side of the shielding sheet close to the rubber core assembly. The second limiting portion is clamped with the support frame to fix the shielding sheet on the support frame.

[0009] Optionally, a notch is arranged on the outer periphery of the rubber core component, and a surface of the notch contacts with an outer surface of the second limiting portion.

[0010] Optionally, there are two second limiting portions, which are arranged oppositely on both sides of the annular pressure plate.

[0011] Optionally, the rubber core assembly is clamped with the second annular ring, a clamping portion is provided on the outer periphery of the rubber core assembly, and a clamping portion cooperating with the clamping portion is provided at the lower end of the second annular ring; after the rubber core assembly is inserted into the second annular ring, the clamping portion is buckled with the clamping portion.

[0012] Optionally, the clamping portion is a clamping plate, one end of which is fixed to the rubber core assembly, and the other end of which is arranged to be inclined downward in a direction away from the rubber core assembly;

[0013] The clamping portion is a U-shaped frame arranged on the inner wall of the second annular ring, and the clamping plate is accommodated in the U-shaped frame.

[0014] Optionally, an annular groove is provided on a side of the bottom plate facing away from the first waterproof ring, the annular groove is sleeved on the outside of the second annular ring, and the second waterproof ring is provided in the annular groove.

[0015] Optionally, the shielding sheet is a square structure, and a plurality of shielding contact spring sheets are arranged on the shielding sheet, and the plurality of shielding contact spring sheets are arranged at intervals on the periphery of the shielding sheet.

[0016] In the present invention, the shielding sheet is installed inside the first waterproof ring, and the lower surface of the annular pressing plate contacts the shielding sheet to fix the shielding sheet and prevent the shielding sheet from moving, so that the shielding structure is firm and reliable. The upper surface of the annular pressing plate is provided with a first limiting portion that contacts the first waterproof ring, and the first limiting portion presses the first waterproof ring to form a sealed waterproof structure outside the shielding sheet to prevent the shielding sheet from contacting water and being corroded. The structure is simple and reliable, and it is easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an exploded schematic diagram of a metal connector provided by an embodiment of the present invention;

[0018] Figure 2 It is a schematic diagram of a socket housing of a metal connector provided by an embodiment of the present invention;

[0019] Figure 3is a cross-sectional schematic diagram of a metal connector provided by an embodiment of the present invention;

[0020] Figure 4 yes Figure 3 Enlarged view of point A in the middle;

[0021] Figure 5 is a cross-sectional schematic diagram of a metal connector provided by an embodiment of the present invention at another angle;

[0022] Figure 6 is a schematic diagram of a shielding sheet of a metal connector provided by an embodiment of the present invention;

[0023] Figure 7 This is a working state diagram of a metal connector provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] In order to illustrate the technical solution of the present invention, specific embodiments are provided below for illustration.

[0026] like Figure 1-Figure 4 As shown, reference Figure 5 , Figure 6 and Figure 7 A metal connector according to an embodiment of the present invention comprises a rubber core assembly 10, a socket housing 20, a first waterproof ring 30, a shielding sheet 40 and an annular pressure plate 50. In particular, the rubber core assembly 10 is inserted into the socket housing 20; the first waterproof ring 30 is installed in the socket housing 20; the shielding sheet 40 is installed in the first waterproof ring 30 and is located at the outer periphery of the rubber core assembly 10; the annular pressure plate 50 is pressed against the first waterproof ring 30 and the shielding sheet 40, the lower surface of the annular pressure plate 50 is in contact with the shielding sheet 40, and the upper surface of the annular pressure plate 50 is provided with a first limiting portion 51 for limiting the displacement of the first waterproof ring 30, the first limiting portion 51 is in contact with the first waterproof ring 30, so that a sealed waterproof structure is formed around the shielding sheet 40.

[0027] When installing the metal connector of the present invention, first install the first waterproof ring 30 and the shielding sheet 40 in the socket housing 20, then press the annular pressing plate 50 against the first waterproof ring 30 and the shielding sheet 40, and install the rubber core assembly 10 into the socket housing 20. Then insert the plug assembly 70 into the socket housing 20.

[0028] In this embodiment, the shielding sheet 40 is installed inside the first waterproof ring 30, and the lower surface of the annular pressing plate 50 contacts the shielding sheet 40 to fix the shielding sheet 40 and prevent the shielding sheet 40 from moving, so that the shielding structure is firm and reliable. The upper surface of the annular pressing plate 50 is provided with a first limiting portion 51 that contacts the first waterproof ring 30. The first limiting portion 51 presses the first waterproof ring 30 to form a sealed waterproof structure outside the shielding sheet 40 to prevent the shielding sheet 40 from contacting water and being corroded. The structure is simple and reliable, and it is easy to assemble.

[0029] like Figure 1 and Figure 4 As shown, in some embodiments of the present invention, the socket housing 20 includes a bottom plate 21, a first annular ring 22 disposed on the bottom plate 21, and a second annular ring 23 disposed inside the first annular ring 22; the second annular ring 23 penetrates the bottom plate 21, and the rubber core assembly 10 is installed in the second annular ring 23; the first waterproof ring 30 is sleeved on the outer periphery of the second annular ring 23. The shielding sheet 40 is installed in the second annular ring 23, and the second annular ring 23, the first waterproof ring 30 and the annular pressing plate 50 constitute a waterproof structure outside the shielding sheet 40, which has good waterproof sealing performance.

[0030] like Figure 1 and Figure 4 As shown, in some embodiments of the present invention, the first limiting portion 51 is a bending portion arranged on the outer circumference of the annular pressure plate 50 and folded toward the lower end of the annular pressure plate 50, and the lower end surface of the bending portion abuts against the end surface of the first waterproof ring 30.

[0031] like Figure 1-Figure 4 As shown, in some embodiments of the present invention, a support frame 24 for placing the shielding sheet 40 is provided inside the second annular ring 23. A second limiting portion 52 for fixing the displacement of the shielding sheet 40 is provided at the lower end of the annular pressing plate 50. The second limiting portion 52 is in a hook shape and is provided on a side of the shielding sheet 40 near the rubber core assembly 10. The second limiting portion 52 is clamped with the support frame 24 to fix the shielding sheet 40 on the support frame 24.

[0032] like Figure 1 and Figure 4 As shown, in some embodiments of the present invention, a notch 11 is provided on the periphery of the rubber core assembly 10, and the surface of the notch 11 contacts the outer surface of the second limiting portion 52, blocking the second limiting portion 52 to prevent the clamping portion between the second limiting portion 52 and the support frame 24 from loosening.

[0033] like Figure 3 As shown, in some embodiments of the present invention, there are two second limiting portions 52 , which are arranged on both sides of the annular pressing plate 50 to fix the shielding sheet 40 .

[0034] like Figure 1 , Figure 2 and Figure 5As shown, reference Figure 6 In some embodiments of the present invention, the rubber core assembly 10 is clamped with the second annular ring 23, a clamping portion 12 is provided on the outer periphery of the rubber core assembly 10, and a clamping portion 25 that cooperates with the clamping portion 12 is provided at the lower end of the second annular ring 23. After the rubber core assembly 10 is inserted into the second annular ring 23, the clamping portion 12 is buckled with the clamping portion 25, so that the rubber core assembly 10 is easily installed in the socket housing 20. Among them, the clamping portions 12 can be set to four, and two clamping portions 12 are provided on both sides of the rubber core assembly 10.

[0035] like Figure 2 and Figure 5 As shown, in some embodiments of the present invention, the clamping portion 12 is a clamping plate, one end of which is fixed on the rubber core assembly 10, and the other end of which is arranged obliquely downward in a direction away from the rubber core assembly 10. The clamping portion 25 is a U-shaped frame arranged on the inner wall of the second annular ring 23, and the clamping plate is accommodated in the U-shaped frame, which has a simple structure.

[0036] like Figure 3 and Figure 5 As shown, in some embodiments of the present invention, an annular groove is provided on one side of the bottom plate 21 away from the first waterproof ring 30 , the annular groove is sleeved outside the second annular ring 23 , and a second waterproof ring 60 is provided in the annular groove.

[0037] like Figure 6 As shown, in some embodiments of the present invention, the shielding sheet 40 is a square structure, and a plurality of shielding contact springs 41 are arranged on the shielding sheet 40, and the plurality of shielding contact springs 41 are arranged at intervals on the periphery of the shielding sheet 40. The more shielding contact springs 41, the smaller the contact resistance and the higher the shielding efficiency.

[0038] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention.

Claims

1. A metal connector, comprising a rubber core assembly, a socket housing, a first waterproof ring, a shielding sheet and an annular pressing plate, characterized in that: The rubber core assembly is inserted into the socket housing; the first waterproof ring is installed in the socket housing; the shielding sheet is installed in the first waterproof ring and is located at the outer periphery of the rubber core assembly; the lower surface of the annular pressure plate is in contact with the shielding sheet, and the upper surface of the annular pressure plate is provided with a first limiting portion that limits the displacement of the first waterproof ring, and the first limiting portion is in contact with the first waterproof ring so that the outer periphery of the shielding sheet forms a sealed waterproof structure; the first limiting portion is a bending portion arranged on the outer periphery of the annular pressure plate and folded toward the lower end of the annular pressure plate, and the lower end face of the bending portion is in contact with the end face of the first waterproof ring; The socket housing comprises a bottom plate, a first annular ring arranged on the bottom plate, and a second annular ring arranged inside the first annular ring; the second annular ring penetrates the bottom plate, the rubber core assembly is installed in the second annular ring; the first waterproof ring is sleeved on the outer periphery of the second annular ring; A support frame for placing the shielding sheet is provided inside the second annular ring; A second limiting portion for fixing the displacement of the shielding sheet is provided at the lower end of the annular pressure plate. The second limiting portion is in a hook shape. The second limiting portion is provided on a side of the shielding sheet close to the rubber core assembly. The second limiting portion is clamped with the support frame to fix the shielding sheet on the support frame.

2. The metal connector according to claim 1, characterized in that: A notch is arranged on the outer periphery of the rubber core component, and a surface of the notch contacts with an outer surface of the second limiting portion.

3. The metal connector according to claim 1, characterized in that: There are two second limiting parts, which are arranged oppositely on both sides of the annular pressure plate.

4. The metal connector according to claim 1, characterized in that: The rubber core component is clamped with the second annular ring, a clamping portion is arranged on the outer periphery of the rubber core component, and a clamping portion cooperating with the clamping portion is arranged on the lower end of the second annular ring; after the rubber core component is inserted into the second annular ring, the clamping portion is buckled with the clamping portion.

5. The metal connector according to claim 4, characterized in that: The clamping part is a clamping plate, one end of which is fixed on the rubber core component, and the other end of which is arranged obliquely downward in a direction away from the rubber core component; The clamping portion is a U-shaped frame arranged on the inner wall of the second annular ring, and the clamping plate is accommodated in the U-shaped frame.

6. The metal connector according to claim 1, characterized in that: An annular groove is arranged on a side of the bottom plate facing away from the first waterproof ring. The annular groove is sleeved on the outside of the second annular ring. The second waterproof ring is arranged in the annular groove.

7. The metal connector according to claim 1, characterized in that: The shielding sheet is a square structure, and a plurality of shielding contact springs are arranged on the shielding sheet. The plurality of shielding contact springs are arranged at intervals around the periphery of the shielding sheet.

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