A fold-resistant interference-resistant connector

Abstract

The utility model provides a kind of fold-resistant interference connector, including connecting line and two groups of connecting end;Connecting line includes shielding layer, and the outside surface of shielding layer is also sequentially provided with fold-resistant layer and outer sleeve layer;The inside surface between shielding layer is also provided with multiple groups of wire harness, and the outside surface of multiple groups of wire harness is also provided with insulating isolation layer, and the outside surface of multiple groups of insulating isolation layer is in contact with the inside surface of shielding layer;Connecting end includes shell, metal terminal is arranged in shell, and the side of shell is also provided with wiring end, and one end of connecting line passes through wiring end and is connected with the metal terminal in shell;The side of shell is provided with plug-in terminal, and the side of metal terminal away from wiring end is arranged in plug-in terminal.The layered structure is used to connecting line, and internal wire harness is wrapped by insulating isolation layer, and outer layer is shielding layer, fold-resistant layer and outer sleeve layer in sequence.Fold-resistant layer and outer sleeve layer disperse bending stress, to avoid fracture;Shielding layer blocks electromagnetic interference, prevents signal leakage, to ensure signal transmission stability.

Description

Technical Field

[0001] This utility model belongs to the field of electronic connector technology, and more specifically, it relates to a folding-resistant and interference-resistant connector. Background Technology

[0002] Electronic connectors, as core components in electronic devices that enable electrical connections between components, utilize structures such as contacts and insulators to transmit current, signals, or energy. These components are widely used in consumer electronics, automotive, industrial, and communications fields, serving as fundamental parts to ensure the normal operation and functionality of electronic devices. However, traditional electronic connectors suffer from poor bending resistance and interference immunity, leading to pin breakage and poor contact in environments with frequent bending and vibration, resulting in device connection failure. Furthermore, in complex electromagnetic environments, their poor interference immunity makes signals susceptible to distortion, affecting the stability and accuracy of data transmission. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides a fold-resistant and interference-resistant connector, which solves the technical problems of poor fold resistance and interference resistance of traditional electronic connectors in the prior art, leading to pin breakage and poor contact in frequent bending and vibration environments, resulting in device connection failure; and signal distortion in complex electromagnetic environments, affecting the stability and accuracy of data transmission.

[0004] The purpose and effect of this utility model's fold-resistant and interference-resistant connector are achieved by the following specific technical means:

[0005] A fold-resistant and interference-resistant connector includes a connecting wire and two sets of connecting terminals. The connecting wire includes an annular shielding layer, and a fold-resistant layer and an outer jacket layer are sequentially sleeved on the outer surface of the shielding layer. Multiple sets of wire harnesses are also arranged between the inner surfaces of the shielding layer, and an insulating isolation layer is sleeved on the outer surface of the multiple sets of wire harnesses. The outer surfaces of the multiple sets of insulating isolation layers are all in contact with the inner surface of the shielding layer. The connecting terminal includes a housing, and a metal terminal is provided inside the housing. A wiring terminal is also provided on one side of the housing. One end of the connecting wire passes through the wiring terminal and connects to the metal terminal inside the housing. A plug-in terminal is provided on one side of the housing, and the side of the metal terminal away from the wiring terminal passes through the plug-in terminal.

[0006] The above technical solution further includes that an indicator groove is provided at the top of the housing, and an insertion indicator is provided in the indicator groove.

[0007] The above technical solution further includes that an assembly groove is provided on the side of the housing away from the terminal block, and an assembly component is provided on the side of the plug-in terminal close to the housing, the assembly component passing through the assembly groove.

[0008] The above technical solution further includes that a connector is provided on the side of the metal terminal near the wiring terminal, and multiple sets of wire harnesses are connected to the connector.

[0009] The above technical solution further includes that multiple sets of contact pieces are provided on the metal terminal away from the wiring component, and all of the multiple sets of contact pieces are connected to the wiring component.

[0010] The above technical solution further includes that the insulating isolation layer on the outer surface of the multiple sets of wire harnesses and the outer jacket layer on the outer side of the fold-resistant layer are both made of polytetrafluoroethylene.

[0011] The above technical solution further includes that the shielding layer and the fold-resistant layer sleeved on its outer side are made of copper foil and silicone rubber, respectively.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The connecting cable adopts a layered structure. The internal wire harness is wrapped with a PTFE insulation layer, and the outer layers are, in sequence, a copper foil shielding layer, a silicone rubber flexural layer, and a PTFE outer jacket. The silicone rubber flexural layer is flexible and fatigue-resistant, while the PTFE layer is wear-resistant and bend-resistant, dispersing bending stress and preventing the wire harness and metal terminals from breaking due to frequent bending and vibration, ensuring long-term stable use in complex mechanical environments. The annular copper foil shielding layer tightly wraps the wire harness, blocking external electromagnetic interference, preventing signal leakage, reducing signal distortion, attenuation, and crosstalk in complex electromagnetic environments, and ensuring stable and accurate signal transmission.

[0014] 2. The housing is equipped with indicator slots and insertion indicators, which can intuitively display the correct insertion direction of the connector, reducing the risk of damage to the metal terminals or poor contact due to misinsertion; at the same time, an assembly slot is opened on one side of the housing to cooperate with the assembly of the insertion terminals, which facilitates quick positioning and installation and improves assembly efficiency; the metal terminals are connected to the wire harness through the wiring components, the structure is clear, and the wiring operation can be simplified, making the installation and maintenance of the connector more convenient and efficient. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the assembled structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the disassembled connecting end of this utility model.

[0017] Figure 3 This is a schematic diagram of the internal structure of the connecting wire of this utility model.

[0018] Figure 4 yes Figure 3 A magnified structural diagram of region a in the middle.

[0019] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0020] 1. Connecting wire; 2. Connecting end; 3. Housing; 101. Shielding layer; 102. Bending-resistant layer; 103. Outer jacket layer; 104. Wire harness; 105. Insulation layer; 106. Metal terminal; 107. Wiring terminal; 108. Plug-in terminal; 201. Indicator slot; 202. Plug-in indicator; 301. Assembly slot; 302. Assembly component; 401. Wiring component; 501. Contact piece. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solution of this utility model, but should not be used to limit the scope of protection of this utility model.

[0022] Example:

[0023] like Figures 1 to 4 As shown, this utility model provides a fold-resistant and interference-resistant connector, including a connecting wire 1 and two sets of connecting ends 2. The connecting wire 1 includes an annular shielding layer 101, and a fold-resistant layer 102 and an outer jacket layer 103 are sequentially sleeved on the outer surface of the shielding layer 101. Multiple sets of wire harnesses 104 are also arranged between the inner surfaces of the shielding layer 101, and an insulating isolation layer 105 is sleeved on the outer surface of the multiple sets of wire harnesses 104. The outer surfaces of the multiple sets of insulating isolation layers 105 are all in contact with the inner surfaces of the shielding layer 101. The connecting ends 2 include a housing 3, and a metal terminal 106 is provided inside the housing 3. A wiring terminal 107 is also provided on one side of the housing 3. One end of the connecting wire 1 passes through the wiring terminal 107 and connects to the metal terminal 106 inside the housing 3. A plug-in terminal 108 is provided on one side of the housing 3, and the side of the metal terminal 106 away from the wiring terminal 107 passes through the plug-in terminal 108. The shielding layer 101 has a ring-shaped structure that tightly wraps multiple wire harnesses 104. A flexural layer 102 and an outer jacket layer 103 are sequentially arranged outside the shielding layer, forming a multi-layered protection. The flexural layer 102 directly bears the bending stress and disperses external mechanical forces through its material properties, preventing the wire harnesses 104 from breaking due to concentrated stress. The outer jacket layer 103, as the outermost structure, provides a physical barrier, reducing damage to internal components from external friction. This multi-layered combination enhances the overall bending resistance.

[0024] An annular shielding layer 101 surrounds the wire harness 104 to form a closed shielding space. Utilizing the conductive properties of the metal, it blocks external electromagnetic interference signals from penetrating into the wire harness 104 area, while simultaneously suppressing signal leakage from the wire harness 104 to the outside, creating a bidirectional electromagnetic shielding effect. This ensures stable signal transmission within the connecting wire 1 and reduces the impact of the electromagnetic environment on signal quality. A metal terminal 106 is installed inside the housing 3. One end is fixedly connected to the connecting wire 1 via a wiring terminal 107, and the other end is embedded in a plug-in terminal 108, forming a continuous current or signal transmission path. The wiring terminal 107 restricts the relative displacement between the connecting wire 1 and the metal terminal 106, preventing loosening due to external pulling. The mating structure of the plug-in terminal 108 and the metal terminal 106 ensures tight contact when connected to external devices, reducing contact resistance and ensuring stable conductivity.

[0025] Multiple wire harnesses 104 are each wrapped by an insulating isolation layer 105, and the outer side of the insulating isolation layer 105 contacts the inner side of the shielding layer 101. This achieves electrical isolation between the wire harnesses 104 to prevent short circuits, and also enhances the fixation of the wire harnesses 104 in the shielding space by adhering to the shielding layer 101, thus preventing the wire harnesses 104 from rubbing against each other or shaking and affecting the connection stability.

[0026] The insulating isolation layer 105 on the outer surface of the multiple wire harnesses 104 and the outer jacket layer 103 on the outer side of the fold-resistant layer 102 are both made of polytetrafluoroethylene (PTFE). The shielding layer 101 and the fold-resistant layer 102 on its outer side are made of copper foil and silicone rubber, respectively. PTFE has a low dielectric constant and excellent insulation performance, which can effectively isolate multiple wire harnesses 104 and prevent electrical breakdown or signal crosstalk between adjacent wire harnesses 104. Its chemical corrosion resistance prevents the wire harnesses 104 from degrading their insulation performance due to contact with oil, solvents, and other substances. In addition, the material has a low surface friction coefficient, resulting in low resistance when the wire harnesses 104 move within the shielding layer 101, which can reduce the wear of the insulation layer caused by bending friction. At the same time, PTFE has outstanding wear resistance, and as the outer jacket layer 103, it can withstand long-term friction, reducing the wear of the outer jacket layer 103 itself. Its high and low temperature resistance allows the connector to adapt to a wide temperature operating environment, preventing the outer jacket layer 103 from cracking or softening due to temperature changes. Furthermore, the material is non-flammable and aging-resistant, which can extend the service life of the connector in outdoor or harsh environments.

[0027] Silicone rubber has a low modulus of elasticity, which causes elastic deformation when the connector is bent, absorbing and dispersing external stress and reducing the tensile or compressive load on the wire harness 104 and the shielding layer 101. It has excellent fatigue resistance, reducing cracks in the folding layer 102 caused by repeated deformation. At the same time, silicone rubber has strong weather resistance and is not easy to age in ultraviolet and ozone environments, maintaining the long-term mechanical properties of the folding layer 102. The copper foil shielding layer 101 provides the basis for electromagnetic shielding, the silicone rubber folding layer 102 buffers mechanical stress and protects the copper foil from bending damage, and the polytetrafluoroethylene insulating layer 105 and the outer jacket layer 103 respectively strengthen electrical insulation and external protection, so that the connector can simultaneously meet the requirements of electromagnetic interference resistance, high-frequency bending resistance, wide temperature environment adaptability and long-term reliable use.

[0028] like Figure 1 and Figure 2 As shown, the top of the housing 3 has an indicator groove 201, and a plug-in indicator 202 is also provided in the indicator groove 201; an assembly groove 301 is provided on the side of the housing 3 away from the terminal 107, and an assembly 302 is also provided on the side of the plug-in terminal 108 near the housing 3, and the assembly 302 passes through the assembly groove 301. The indicator groove 201 provides a physical positioning reference, and the plug-in indicator 202 clarifies the correct insertion direction of the connector through color, shape or raised structure (such as arrow markings), preventing reverse insertion that could damage the metal terminal 106; in low light or blind insertion scenarios, operators can quickly identify the insertion position by touching the edge of the indicator groove 201 or the outline of the plug-in indicator 202, improving installation efficiency.

[0029] The assembly slot 301 and the assembly component 302 achieve pre-positioning of the plug terminal 108 and the housing 3 through an interference fit structure, reducing the offset error during the assembly process. After the assembly component 302 is inserted into the assembly slot 301, it forms a mechanical lock, which disperses the shear force generated during the insertion and removal process, and prevents the connection between the metal terminal 106 and the plug terminal 108 from breaking due to uneven force. Moreover, this structure allows for modular replacement of the plug terminal 108 without disassembling the entire housing 3, simplifying the maintenance process.

[0030] like Figures 1 to 2As shown, a connector 401 is provided on the side of the metal terminal 106 near the wiring terminal 107, and multiple sets of wire harnesses 104 are connected to the connector 401. Multiple sets of contact pieces 501 are also provided on the metal terminal 106 away from the connector 401, and these contact pieces 501 are also connected to the connector 401. The connector 401 provides a centralized connection point, and the multiple sets of wire harnesses 104 are fixed to the connector 401 by welding, crimping, or threading, achieving electrical conductivity with the metal terminal 106. This increases the contact area with the wire harnesses 104, reduces contact resistance, and minimizes the risk of overheating. The connector 401 distributes the tension of the multiple sets of wire harnesses 104 to the connection points between itself and the metal terminal 106, preventing the wire harnesses 104 from being directly stressed and causing solder joint breakage. Furthermore, this structure allows for quick replacement of the wire harness 104 assembly without reprocessing the metal terminal 106.

[0031] Multiple sets of contact pieces 501 form multi-point contact with the external connector through elastic deformation, increasing the conductive cross section and reducing contact resistance fluctuations; their surface gold or silver plating enhances oxidation resistance and maintains long-term stable conductivity; contact pieces 501 can also ensure reliable contact with mating terminals, reducing instantaneous circuit breaks caused by vibration or impact; and multiple sets of contact pieces 501 are arranged in parallel to form redundant conductive paths, so that when a single contact piece 501 fails, the remaining contact pieces 501 can still maintain circuit conduction, thereby increasing the stability of the connection.

[0032] The above description is merely an embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A fold-resistant and interference-resistant connector, comprising a connecting wire (1) and two sets of connecting terminals (2), characterized in that: The connecting wire (1) includes an annular shielding layer (101), and a fold-resistant layer (102) and an outer jacket layer (103) are sequentially sleeved on the outer surface of the shielding layer (101); multiple sets of wire harnesses (104) are also arranged between the inner surfaces of the shielding layer (101), and an insulating isolation layer (105) is sleeved on the outer surface of the multiple sets of wire harnesses (104), and the outer surfaces of the multiple sets of insulating isolation layers (105) are all in contact with the inner surface of the shielding layer (101); the connecting end (2) Includes a housing (3), in which a metal terminal (106) is provided, and a wiring terminal (107) is provided on one side of the housing (3). One end of the connecting wire (1) passes through the wiring terminal (107) and connects to the metal terminal (106) in the housing (3). A plug-in terminal (108) is provided on one side of the housing (3), and the side of the metal terminal (106) away from the wiring terminal (107) passes through the plug-in terminal (108).

2. The folding-resistant and interference-resistant connector according to claim 1, characterized in that: The top of the housing (3) is provided with an indicator groove (201), and an insertion indicator (202) is also provided in the indicator groove (201).

3. The folding-resistant and interference-resistant connector according to claim 2, characterized in that: The housing (3) has an assembly groove (301) on the side away from the terminal (107), and the plug terminal (108) is also provided with an assembly component (302) on the side close to the housing (3), and the assembly component (302) passes through the assembly groove (301).

4. The folding-resistant and interference-resistant connector according to claim 1, characterized in that: A connector (401) is provided on the side of the metal terminal (106) near the wiring terminal (107), and multiple sets of wire harnesses (104) are connected to the connector (401).

5. A folding-resistant and interference-resistant connector according to claim 4, characterized in that: Multiple sets of contact pieces (501) are also provided on the metal terminal (106) away from the wiring component (401), and all sets of contact pieces (501) are connected to the wiring component (401).

6. The folding-resistant and interference-resistant connector according to claim 1, characterized in that: The insulating isolation layer (105) on the outer side of the multiple sets of wire harnesses (104) and the outer jacket layer (103) on the outer side of the fold-resistant layer (102) are both made of polytetrafluoroethylene.

7. The folding-resistant and interference-resistant connector according to claim 1, characterized in that: The shielding layer (101) and the fold-resistant layer (102) fitted on its outer side are made of copper foil and silicone rubber, respectively.

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