A terminal component, a connector and a crimping method

Abstract

The present invention discloses a terminal assembly, a connector and a crimping method, belonging to the technical field of electrical connection. The terminal assembly includes a terminal body and a reinforcement member. The terminal body includes a butt joint section and a riveting section connected to each other. The riveting section is used for covering and tightly pressing a first core section of the wire core of a wire. The reinforcement member includes a first ring portion. The first ring portion is sleeved on the riveting section and a reserved core section of the wire core, and is used for covering and tightly pressing the riveting section and the reserved core section. For the terminal assembly provided by the present invention, the reserved core section will deform under extrusion and fill the gap between the first ring portion and the riveting section, which can ensure the crimping stability of the first ring portion. Moreover, due to the relatively high structural strength of the first ring portion, it effectively prevents the riveting section and the first ring portion from loosening the pressing on the wire core during the temperature change process, thereby preventing the occurrence of the situation that the contact resistance becomes larger and causes heating.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical connection, and in particular to a terminal assembly, a connector and a crimping method. Background Art

[0002] The investment cost of photovoltaic power plants is a key constraint to their development. Replacing copper conductors with aluminum conductors can effectively reduce the cost of photovoltaic power plant construction. Therefore, the photovoltaic industry's "saving copper with aluminum" strategy has promising development prospects.

[0003] In related technologies, copper-aluminum connections are primarily made by friction welding, which has poor stability. Considering the widespread application and reliability of photovoltaic power plants, aluminum-core conductors are typically connected to these plants via connectors. The connector's terminal assembly typically clamps the aluminum-core conductor's core with its copper terminals through riveting. During use in photovoltaic power plants, the copper terminals and cores experience high and low temperature fluctuations. Due to the different thermal deformation coefficients of copper and aluminum, the riveted connection between the copper terminals and the cores can loosen, increasing contact resistance and causing continuous heating at the connection between the copper terminals and the cores, impacting the normal operation of the photovoltaic power plant. Summary of the Invention

[0004] An object of the present invention is to provide a terminal assembly that effectively prevents the connection between the terminal assembly and the wire core from loosening.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] Provided is a terminal assembly for riveting a wire, wherein the wire comprises a wire core, the wire core comprises a first core segment and a reserved core segment that are bent toward each other, and the terminal assembly comprises:

[0007] The terminal body comprises a butt joint section and a riveted section connected to each other, wherein the riveted section is used to cover and compress the first core section;

[0008] The reinforcement comprises a first ring portion, which is sleeved on the riveted section and the reserved core section and is used for covering and pressing the riveted section and the reserved core section.

[0009] Optionally, the wire core further comprises a second core segment, wherein the second core segment, the first core segment and the reserved core segment are sequentially connected, and the second core segment and the reserved core segment both protrude from an end of the riveted segment away from the butt joint segment;

[0010] The reinforcement also includes a second ring portion connected to the first ring portion, the second ring portion protruding from an end of the riveted section away from the docking section, and the second ring portion is sleeved on the second core segment and the reserved core segment for covering and pressing the second core segment and the reserved core segment.

[0011] Optionally, an opening is provided on the first ring portion, the opening is arranged along the axial direction of the reinforcement, and a first end of the opening passes through an end of the first ring portion away from the second ring portion.

[0012] Optionally, along the axial direction of the reinforcement, the second end of the opening passes through the reinforcement.

[0013] Optionally, the conductor further comprises a jacket sleeved on the core, the second core segment, the first core segment and the reserved core segment extend out of the jacket, and the first core segment is arranged at an end of the second core segment away from the jacket;

[0014] The reinforcement member further includes a third ring portion connected to the second ring portion, and the third ring portion is used to be sleeved outside the outer sleeve.

[0015] Optionally, the wire further comprises a jacket sleeved on the wire core, and an end face of the reinforcement member facing the jacket can abut against an end face of the jacket.

[0016] Optionally, the reinforcement is configured as a closed ring structure.

[0017] Optionally, the expansion coefficient of the reinforcement is the same as the expansion coefficient of the wire core.

[0018] Optionally, the terminal body is made of metal copper or copper alloy, the reinforcement is made of metal aluminum or aluminum alloy, and the wire core is made of metal aluminum or aluminum alloy.

[0019] Optionally, the terminal body is made of metallic copper or copper alloy, the reinforcement is made of metallic copper or copper alloy, and the wire core is made of metallic copper or copper alloy.

[0020] Optionally, the riveted section is coated with a tinned layer.

[0021] Another object of the present invention is to provide a connector, comprising a male connector and / or a female connector, wherein the male connector comprises a first housing, the female connector comprises a second housing, and the first housing and the second housing are respectively provided with the terminal assembly described above;

[0022] The terminal assembly in the first housing and the terminal assembly in the second housing are electrically connected, or the docking section of the terminal body of the terminal assembly of one of the male connector and the female connector is electrically connected to the wire.

[0023] Another object of the present invention is to provide a method for crimping a terminal assembly, comprising the following steps:

[0024] Provide a terminal body and a wire, and place a first core segment of the core of the wire on the riveting segment of the terminal body;

[0025] Provide a reinforcement member and sleuth the reinforcement member on the wire;

[0026] First, press the riveting segment onto the first core segment of the core, and then press the first ring portion of the reinforcement member onto the riveting segment and the reserved core segment of the core; or, press the first ring portion of the reinforcement member onto the riveting segment and the reserved core segment of the core, and simultaneously press the riveting segment onto the first core segment of the core.

[0027] Optionally, first press the riveting segment onto the first core segment of the core, then press the first ring portion of the reinforcement member onto the riveting segment and the reserved core segment of the core, and press the second ring portion of the reinforcement member onto the second core segment and the reserved core segment of the core; or, press the first ring portion of the reinforcement member onto the riveting segment and the reserved core segment of the core, and simultaneously press the riveting segment onto the first core segment of the core, and press the second ring portion of the reinforcement member onto the second core segment and the reserved core segment of the core.

[0028] Optionally, press the third ring portion of the reinforcement member onto the outer sheath of the wire.

[0029] Optionally, sequentially press the first ring portion of the reinforcement member onto the riveting segment and the reserved core segment of the core, press the second ring portion of the reinforcement member onto the second core segment and the reserved core segment of the core, and press the third ring portion of the reinforcement member onto the outer sheath of the wire; or, simultaneously press the first ring portion of the reinforcement member onto the riveting segment and the reserved core segment of the core, press the second ring portion of the reinforcement member onto the second core segment and the reserved core segment of the core, and press the third ring portion of the reinforcement member onto the outer sheath of the wire.

[0030] Beneficial effects:

[0031] For the terminal assembly provided by the present invention, the terminal body wraps and presses the first core segment through the riveting segment, and the reinforcement member wraps and presses the riveting segment and the reserved core segment through the first ring portion. The reserved core segment will deform under extrusion and fill the gap between the first ring portion and the riveting segment, which can ensure the crimping stability of the first ring portion. And because the structural strength of the first ring portion is relatively high, it effectively prevents the riveting segment and the first ring portion from loosening the pressing on the core during the temperature change process, thereby preventing the contact resistance from increasing and causing heating. In addition, the reinforcement member wraps and presses the riveting segment and the reserved core segment through the first ring portion, so that the core has a relatively large cross-sectional area at the riveting segment, and there is a relatively large contact area between the core and the riveting segment, effectively reducing the resistance between the terminal assembly and the core, and further preventing the occurrence of heating.

[0032] For the connector provided by the present invention, terminal assemblies are respectively provided inside the first housing and the second housing to ensure stable and reliable connections between the male connector and the wire, and between the female connector and the wire, and the resistance between the terminal assembly and the wire core is small, effectively preventing the occurrence of heat generation.

[0033] The crimping method of the terminal assembly provided by the present invention can effectively prevent the terminal assembly from loosening the crimping of the wire core, and effectively reduce the resistance between the terminal assembly and the wire core, thereby preventing the occurrence of heat generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 is a schematic diagram of the positional relationship of the first ring portion provided by the present invention relative to the terminal body and the wire before crimping;

[0035] Figure 2 is a schematic diagram of the structure of the terminal body provided by the present invention;

[0036] Figure 3 is a schematic diagram of a structure of an embodiment in which the riveting section crimps the wire core provided by the present invention;

[0037] Figure 4 is a schematic diagram of a structure of an embodiment in which the terminal assembly crimps the wire provided by the present invention;

[0038] Figure 5 is a cross-sectional view of the terminal assembly with the wire crimped at the first ring portion provided by the present invention;

[0039] Figure 6 is a schematic diagram of a structure of another embodiment in which the riveting section crimps the wire core provided by the present invention;

[0040] Figure 7 is a schematic diagram of the positional relationship of the first ring portion and the second ring portion provided by the present invention relative to the terminal body and the wire before crimping;

[0041] Figure 8 is a schematic diagram of a structure of another embodiment in which the terminal assembly crimps the wire provided by the present invention;

[0042] Figure 9 is a cross-sectional view of the terminal assembly with the wire crimped at the second ring portion provided by the present invention;

[0043] Figure 10 is a schematic diagram of a structure of yet another embodiment in which the terminal assembly crimps the wire provided by the present invention;

[0044] Figure 11 is a schematic diagram of a structure of an embodiment of the reinforcement provided by the present invention;

[0045] Figure 12 It is a structural schematic diagram of another embodiment of the reinforcement member provided by the present invention;

[0046] Figure 13 This is a structural schematic diagram of another embodiment of the reinforcement member provided by the present invention;

[0047] Figure 14 It is a structural schematic diagram of the connector provided by the present invention;

[0048] Figure 15 This is a schematic diagram of the exploded structure of the male connector provided by the present invention;

[0049] Figure 16 This is a schematic diagram of the exploded structure of the female connector provided by the present invention;

[0050] Figure 17 It is a flow chart of the crimping method of the terminal assembly provided by the present invention.

[0051] In the picture:

[0052] 10. Wire core; 11. First core segment; 12. Reserved core segment; 13. Second core segment; 20. Jacket;

[0053] 100, terminal body; 110, docking section; 111, slot; 120, riveting section; 130, stop section;

[0054] 200, reinforcement; 210, first ring portion; 211, opening; 220, second ring portion; 230, third ring portion;

[0055] 300, male connector; 310, first housing; 311, undercut; 312, guide sleeve; 313, boss; 320, drum ring; 330, O-ring; 340, first cap; 350, first sealing ring;

[0056] 400, female connector; 410, second housing; 420, second cap; 430, second sealing ring. DETAILED DESCRIPTION

[0057] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0058] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0059] In the present invention, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath", and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0060] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0061] Refer to Figures 1 to 5 As shown, this embodiment provides a terminal assembly for riveting with a wire.

[0062] Specifically, the wire includes a wire core 10, and the wire core 10 includes a first core segment 11 and a reserved core segment 12 that are bent with each other.

[0063] Specifically, the terminal assembly includes a terminal body 100 and a reinforcement member 200. Among them, the terminal body 100 includes a butt joint segment 110 and a riveting segment 120 that are connected to each other, and the riveting segment 120 is used to wrap and compress the first core segment 11; the reinforcement member 200 includes a first ring portion 210, and the first ring portion 210 is sleeved on the riveting segment 120 and the reserved core segment 12 for wrapping and compressing the riveting segment 120 and the reserved core segment 12.

[0064] In this embodiment, the terminal body 100 wraps and presses the first core section 11 through the riveting section 120, and the reinforcing member 200 wraps and presses the riveting section 120 and the reserved core section 12 through the first ring portion 210. The reserved core section 12 will deform under extrusion and fill the gap between the first ring portion 210 and the riveting section 120, which can ensure the crimping stability of the first ring portion 210. And because the structural strength of the first ring portion 210 is relatively high, it effectively prevents the riveting section 120 and the first ring portion 210 from loosening the pressing on the wire core 10 during the temperature change process, thereby preventing the situation of increased contact resistance leading to heating. In addition, the reinforcing member 200 wraps and presses the riveting section 120 and the reserved core section 12 through the first ring portion 210, so that the wire core 10 has a larger cross-sectional area at the riveting section 120, and there is a larger contact area between the wire core 10 and the riveting section 120, effectively reducing the resistance between the terminal assembly and the wire core 10 and further preventing the situation of heating.

[0065] In this embodiment, the wrapping and pressing of the first core section 11 by the riveting section 120 and the wrapping and pressing of the riveting section 120 and the reserved core section 12 by the first ring portion 210 can be completed in one crimping or in steps.

[0066] In this embodiment, before the terminal body 100 and the wire core 10 are riveted, the wire core 10 can be not bent, that is, the first core section 11 and the reserved core section 12 can be kept straight, or the reserved core section 12 is bent at a small angle relative to the first core section 11 to be suitable for the first core section 11 to pass through to the riveting section 120. After the first core section 11 passes through to the riveting section 120, the reserved core section 12 is bent to the required angle relative to the first core section 11 to be suitable for the first ring portion 210 to be sleeved on the riveting section 120 and the reserved core section 12. Exemplarily, the riveting section 120 and the first core section 11 can be crimped first, and then the reserved core section 12 is bent relative to the first core section 11; or the riveting section 120 is wrapped around the first core section 11 first, and then the reserved core section 12 is bent relative to the first core section 11 and then the riveting section 120 and the first core section 11 are crimped.

[0067] Exemplarily, the riveting section 120 is set as an open arc shape, and the wire core 10 is placed inside the open arc-shaped riveting section 120 to facilitate the crimping and fixing between the riveting section 120 and the first core section 11. Optionally, the cross-sectional shape of the riveting section 120 is U-shaped. In this embodiment, the reserved core section 12 is located at the two open edges of the riveting section 120. After the first ring portion 210 wraps and presses the riveting section 120 and the reserved core section 12, the reserved core section 12 is pressed against the two open edges of the riveting section 120, effectively preventing the riveting section 120 from loosening the pressing on the first core section 11.

[0068] Exemplarily, according to the size model of the wire, the terminal assembly can select the reinforcing member 200 with different length and diameter size models.

[0069] Exemplarily, to ensure that the first ring portion 210 has good structural strength and prevent the riveting section 120 and the first ring portion 210 from loosening the compression on the wire core 10, the reinforcement member 200 can be selected as a thicker kit. Optionally, the thickness of the reinforcement member 200 is greater than 1 mm, such as 1.2 mm, 1.5 mm, 2 mm, 2.5 mm or 3 mm.

[0070] Exemplarily, the material of the reinforcement member 200 and the material of the wire core 10 can be the same metal or the same type of metal alloy. There is no influence of electrochemical corrosion between the two, and there is a large contact area between the wire core 10 and the first ring portion 210 and between the first ring portion 210 and the riveting section 120, which can reduce the resistance between the terminal assembly and the wire core 10. Among them, the reinforcement member 200 can also be an insulating material, a conductive material different from the material of the wire core 10, etc., which is not limited in this application.

[0071] In a feasible implementation manner, the material of the terminal body 100 is copper or copper alloy, the material of the reinforcement member 200 is copper or copper alloy, and the material of the wire core 10 is copper or copper alloy. While ensuring the stable and reliable compression of the riveting section 120 and the first ring portion 210 on the wire core 10, the resistance between the terminal assembly and the wire core 10 can be reduced.

[0072] In a feasible implementation manner, the material of the terminal body 100 is copper or copper alloy, the material of the reinforcement member 200 is aluminum or aluminum alloy, and the material of the wire core 10 is aluminum or aluminum alloy to realize the connection of the terminal assembly with an aluminum core wire. While ensuring the stable and reliable compression of the riveting section 120 and the first ring portion 210 on the wire core 10, the contact resistance between the terminal assembly and the wire core 10 can be reduced. Exemplarily, the wire core 10 of the aluminum core wire is preferably composed of multiple stranded aluminum cores, such as 6 + 1 aluminum core wire, 5 + 1 aluminum core wire, 7 + 1 aluminum core wire or other numbers of aluminum core wires. The strength of the stranded aluminum cores is high, and when the first core section 11 is crimped by the riveting section 120, the aluminum cores are extruded and deformed and displaced, and the original oxide layer on the surface of the aluminum cores is damaged, and the electrical connection between the aluminum cores and between the aluminum cores and the riveting section 120 is reliable and stable. Of course, a single-stranded aluminum core can also be used for the aluminum core wire.

[0073] Exemplarily, the material of the terminal body 100 can also be formed by copper-aluminum composite, such as by different methods of casting, brazing, hot pressing, friction welding, etc., and then processed by cold heading, turning and other processes.

[0074] It is worth mentioning that to prevent electrochemical corrosion between the riveted section 120 and the wire core 10, the riveted section 120 is coated with a tinned layer (not shown), which prevents the wire core 10 and the first ring portion 210 from directly contacting the riveted section 120. The tinned layer has a relatively large coating thickness to prevent the tinned layer from tearing due to deformation of the riveted section 120 during the crimping process, thereby more effectively preventing the riveted section 120 from directly contacting the wire core 10 and causing galvanic corrosion.

[0075] For example, when the material of the reinforcement member 200 is different from the material of the wire core 10 , the reinforcement member 200 may also be coated with a tin plating layer.

[0076] In a feasible embodiment, the terminal assembly further includes a conductive paste (not shown), which is filled between the riveted section 120 and the wire core 10 and between the wire core 10 and the reinforcement 200. The conductive paste can fill the gap between the riveted section 120 and the wire core 10 and the gap between the wire core 10 and the reinforcement 200, and can isolate the wire core 10 from contact with the air, thereby effectively preventing oxidation of the wire core 10.

[0077] In some embodiments, reference Figures 5 to 9 As shown, the wire core 10 further includes a second core segment 13. The second core segment 13, the first core segment 11, and the reserved core segment 12 are sequentially connected. The second core segment 13 and the reserved core segment 12 both protrude from the end of the riveted segment 120 facing away from the docking segment 110. The reinforcement 200 further includes a second ring portion 220 connected to the first ring portion 210. The second ring portion 220 protrudes from the end of the riveted segment 120 facing away from the docking segment 110. The second ring portion 220 is sleeved around the second core segment 13 and the reserved core segment 12 to encase and compress the second core segment 13 and the reserved core segment 12.

[0078] In this embodiment, the reinforcement 200 covers and compresses the second core segment 13 and the reserved core segment 12 through the second ring portion 220. When the wire swings, it effectively prevents the rivet segment 120 from squeezing or cutting the wire core 10 at the end away from the docking segment 110, thereby preventing the wire core 10 from breaking. The reinforcement 200 covers and compresses the second core segment 13 and the reserved core segment 12 through the second ring portion 220, which can reduce the deformation difference between the first ring portion 210 and the second ring portion 220 during crimping, better isolate the wire core 10 from contact with the air, and make the crimping of the reinforcement 200 on the rivet segment 120 and the wire core 10 more stable and reliable. In addition, the second ring portion 220 covers and compresses the second core segment 13 and the reserved core segment 12, so that the wire core 10 has a larger cross-sectional area at the second ring portion 220, which can effectively reduce the resistance at the connection between the terminal assembly and the wire.

[0079] Exemplarily, the first ring portion 210 wrapping and tightly pressing the riveting section 120 and the reserved core section 12, and the second ring portion 220 wrapping and tightly pressing the second core section 13 and the reserved core section 12 can be completed in one crimping step or in multiple steps. Completing in multiple steps means first crimping the first ring portion 210 and then crimping the second ring portion 220; or first crimping the second ring portion 220 and then crimping the first ring portion 210.

[0080] It is worth mentioning that the expansion coefficient of the reinforcement member 200 can be the same as or close to that of the wire core 10, which can prevent the loosening of the pressing of the second ring portion 220 on the second core section 13 and the reserved core section 12, and ensure the stable and reliable electrical connection between the reinforcement member 200 and the wire. In this embodiment, the expansion coefficient of the reinforcement member 200 being close to that of the wire core 10 means that the difference between their expansion coefficients is less than 20 μm / m·K.

[0081] It is worth mentioning that the expansion coefficient of the terminal body 100 can be different from that of the wire core 10. Through the setting of the reinforcement member 200, the deformation influence caused by the different expansion coefficients of the riveting section 120 and the wire core 10 can be weakened, effectively preventing the loosening of the pressing of the riveting section 120 and the first ring portion 210 on the wire core 10 during temperature changes, and further preventing the occurrence of the situation where the contact resistance increases and causes heating.

[0082] In some embodiments, referring to Figure 5 、 Figure 6 and Figure 10 as shown, the wire further includes an outer sheath 20 sleeved on the wire core 10. The second core section 13, the first core section 11, and the reserved core section 12 extend out of the outer sheath 20, and the first core section 11 is disposed at one end of the second core section 13 away from the outer sheath 20. The reinforcement member 200 further includes a third ring portion 230 connected to the second ring portion 220, and the third ring portion 230 is used to be sleeved outside the outer sheath 20. In this embodiment, when the wire swings, the third ring portion 230 can restrain the outer sheath 20 to prevent the wire core 10 extending out of the outer sheath 20 from being excessively bent, effectively preventing the second ring portion 220 from cutting the wire core 10, and further preventing the wire core 10 extending out of the outer sheath 20 from breaking.

[0083] Exemplarily, the third ring portion 230 can wrap and tightly press the outer sheath 20. In this embodiment, after completing the crimping of the second ring portion 220 on the second core section 13 and the reserved core section 12, the third ring portion 230 can be crimped onto the outer sheath 20, or the crimping of the first ring portion 210, the second ring portion 220, and the third ring portion 230 can be completed simultaneously.

[0084] In a feasible implementation, the reinforcing member 200 is not provided with the third ring portion 230. One end face of the reinforcing member 200 facing the outer sleeve 20 can abut against the end face of the outer sleeve 20 to prevent the wire core 10 extending out of the outer sleeve 20 from being excessively bent when the wire swings. In this embodiment, when the reinforcing member 200 is provided with the second ring surface, the first ring portion 210 covering and tightly pressing the riveting section 120 and the reserved core section 12 and the second ring portion 220 covering and tightly pressing the second core section 13 and the reserved core section 12 can be completed step by step. Preferably, the second ring portion 220 is first crimped to ensure that one end face of the reinforcing member 200 facing the outer sleeve 20 can abut against the end face of the outer sleeve 20, and then the first ring portion 210 is crimped. It is worth mentioning that the end of the second ring portion 220 facing away from the first ring portion 210 may not crimp the wire core 10 to reduce the deformation generated at one end face of the reinforcing member 200 facing the outer sleeve 20, so that a good fit is formed between one end face of the reinforcing member 200 facing the outer sleeve 20 and the end face of the outer sleeve 20.

[0085] It is worth mentioning that a gap can also be formed between one end face of the reinforcing member 200 facing the outer sleeve 20 and the end face of the outer sleeve 20, which is more convenient for the crimping of the reinforcing member 200.

[0086] In some embodiments, referring to Figure 8 、 Figure 11 and Figure 12 as shown, an opening 211 is provided on the first ring portion 210. The opening 211 is arranged along the axial direction of the reinforcing member 200, and the first end of the opening 211 penetrates through one end of the first ring portion 210 facing away from the second ring portion 220. In this embodiment, through the setting of the opening 211, even if the riveting section 120 undergoes a large deformation after being crimped, the first ring portion 210 can still be smoothly sleeved on the riveting section 120 and the reserved core section 12, thereby realizing the crimping of the first ring portion 210 on the riveting section 120 and the reserved core section 12.

[0087] In a feasible implementation, along the axial direction of the reinforcing member 200, the second end of the opening 211 penetrates through the reinforcing member 200 to facilitate the crimping of the first ring portion 210 and the second ring portion 220. Exemplarily, the second end of the opening 211 can extend to the central area of the second ring portion 220 or the end of the second ring portion 220 facing away from the first ring portion 210 or other area positions of the second ring portion 220, which is not limited in this application.

[0088] In a feasible implementation manner, along the axial direction of the reinforcement member 200, the second end of the opening 211 penetrates through the reinforcement member 200, that is, both ends of the opening 211 penetrate through the reinforcement member 200. The reinforcement member 200 is a ring sleeve for the opening 211. When the reinforcement member 200 is crimped, the reinforcement member 200 is more likely to deform, and the third ring portion 230 can undergo a large deformation when the first ring portion 210 and the second ring portion 220 are crimped, which can better restrain the outer sleeve 20 and more effectively prevent the wire core 10 extending out of the outer sleeve 20 from breaking.

[0089] In a feasible implementation manner, since the opening 211 is provided on the reinforcement member 200, a locking clamp (not shown) can be sleeved on the reinforcement member 200 to prevent the reinforcement member 200 from deforming.

[0090] In some embodiments, referring to Figure 13 As shown, the reinforcement member 200 is arranged as a closed-loop structure, that is, the opening 211 may not be provided on the reinforcement member 200, and the crimping is more stable and reliable.

[0091] In this embodiment, the terminal body 100 further includes a retaining section 130 provided between the docking section 110 and the riveting section 120. When the terminal assembly is arranged in the housing, a retaining structure can be formed between the retaining section 130 and the housing to prevent the terminal assembly from being pulled out of the housing when the wire is pulled.

[0092] Referring to Figures 14 to 16 As shown, this embodiment further provides a connector, which includes a male connector 300, or the connector includes a female connector 400, or the connector includes a male connector 300 and a female connector 400.

[0093] Specifically, the male connector 300 includes a first housing 310, and the above-mentioned terminal assembly is arranged in the first housing 310.

[0094] Specifically, the female connector 400 includes a second housing 410, and the above-mentioned terminal assembly is arranged in the second housing 410.

[0095] In this embodiment, through the arrangement of the terminal assembly, the connection between the male connector 300 and the wire and the connection between the female connector 400 and the wire are effectively guaranteed to be stable and reliable, and the resistance between the terminal assembly and the wire core 10 is small, effectively preventing the occurrence of heat generation.

[0096] In some embodiments, the terminal assemblies in the first housing 310 and the second housing 410 are electrically connected, that is, the male connector 300 and the female connector 400 are electrically connected by docking two terminal assemblies. Among them, both the first housing 310 and the second housing 410 can form a retaining structure with the retaining section 130.

[0097] Exemplarily, when the connector is applied to the connection between aluminum-core wires, one of the two aluminum-core wires is connected to the male connector 300, and the other is connected to the female connector 400. Optionally, the material of the terminal body 100 can be copper or copper alloy, and the material of the reinforcement 200 can be aluminum or aluminum alloy.

[0098] Exemplarily, when the connector is applied to the connection between an aluminum-core wire and a copper-core wire, one of the male connector 300 and the female connector 400 is connected to the aluminum-core wire, and the other is connected to the copper-core wire. Optionally, the material of the terminal body 100 of the terminal assembly connected to the aluminum-core wire can be copper or copper alloy, and the material of the reinforcement 200 can be aluminum or aluminum alloy. Optionally, the material of the terminal body 100 of the terminal assembly connected to the copper-core wire can be copper or copper alloy. Optionally, the terminal assembly connected to the copper-core wire may not be provided with a reinforcement 200, or the material of the reinforcement 200 of the terminal assembly connected to the copper-core wire can be copper or copper alloy.

[0099] In some embodiments, the docking section 110 of the terminal body 100 of the terminal assembly of one of the male connector 300 and the female connector 400 is electrically connected to the wire to achieve electrical connection between the two wires. Exemplarily, the material of the wire core 10 of the wire electrically connected to the docking section 110 and the material of the terminal body 100 can be the same metal or the same type of metal alloy, such as copper or copper alloy.

[0100] In this embodiment, referring to Figure 15 and Figure 16 as shown, the male connector 300 and the female connector 400 are detachably connected. When the first housing 310 is connected to the second housing 410, the docking section 110 of the terminal body 100 of the terminal assembly in the first housing 310 is docked with the docking section 110 of the terminal body 100 of the terminal assembly in the second housing 410.

[0101] In a feasible implementation manner, one of the first housing 310 and the second housing 410 is provided with an undercut 311, and the other is provided with a card slot (not shown). The first housing 310 and the second housing 410 are detachably connected through the snap-fit between the undercut 311 and the card slot. Optionally, the end of the first housing 310 facing the second housing 410 is circumferentially and spacedly provided with a plurality of undercuts 311, and the second housing 410 is provided with card slots corresponding to the undercuts 311 one by one. Among them, the undercuts 311 can extend into the second housing 410 and be snap-fitted with the card slots, which is stable and reliable. Of course, the male connector 300 and the female connector 400 can also be connected by screw connection or other detachable methods, which are not limited in this application.

[0102] In a feasible embodiment, one of the mating section 110 of the terminal body 100 of the terminal assembly in the first housing 310 and the mating section 110 of the terminal body 100 of the terminal assembly in the second housing 410 is provided with a slot 111, and the other is plugged into the slot 111 to achieve electrical connection between the male connector 300 and the female connector 400. In addition, the core 10 of the wire can be directly plugged into the slot 111.

[0103] In one feasible embodiment, the docking section 110 of the terminal body 100 of the terminal assembly in the first housing 310 is provided with a slot 111, a guide sleeve 312 is provided at one end of the first housing 310 facing the second housing 410, and a guide groove (not shown) is provided in the end of the second housing 410 facing the first housing 310. The guide sleeve 312 can slide through the guide groove to ensure precise docking between the two docking sections 110. The docking section 110 of the terminal body 100 in the first housing 310 extends into the guide sleeve 312, and the docking section 110 of the terminal body 100 in the second housing 410 extends into the guide groove.

[0104] Exemplarily, a drum ring 320 is provided in the guide sleeve 312 , and the docking section 110 of the terminal body 100 in the second shell 410 passes through the drum ring 320 and is inserted into the slot 111 of the docking section 110 of the terminal body 100 in the first shell 310 .

[0105] Illustratively, a boss 313 is provided at one end of the first shell 310 facing the second shell 410, a guide sleeve 312 is provided on the boss 313, an O-ring 330 is sleeved on the boss 313, and a groove (not shown) is provided at one end of the guide groove facing the first shell 310, the boss 313 can extend into the groove, and the O-ring 330 can abut against the side wall of the groove to perform a sealing and shock-absorbing role.

[0106] In this embodiment, referring to Figure 14 and Figure 15 As shown, a first cap 340 is sleeved on one end of the first housing 310 away from the second housing 410 , and the wire connected to the male connector 300 passes through the first cap 340 and extends into the first housing 310 to be crimped with the riveted section 120 of the terminal body 100 .

[0107] For example, the first shell 310 and the first cover cap 340 may be connected by a threaded connection, or may be connected by a snap connection, or by gluing, etc., which is not limited in this application.

[0108] Specifically, a first sealing ring 350 is provided between the first outer shell 310 and the first cap 340. The wire connected to the male connector 300 passes through the first sealing ring 350 and extends into the first outer shell 310. In this embodiment, by squeezing the first sealing ring 350 between the first outer shell 310 and the first cap 340, the first sealing ring 350 can firmly hold the wire in place, effectively preventing the wire extending into the first outer shell 310 from swinging, and playing a role in sealing and shock absorption.

[0109] Exemplarily, the outer ring shape of the first sealing ring 350 can be conical. The small end of the first sealing ring 350 can extend into the first outer shell 310, and the large end of the first sealing ring 350 is embedded in the first cap 340.

[0110] In this embodiment, with reference to Figure 14 and Figure 16 as shown, a second cap 420 is sleeved on one end of the second outer shell 410 facing away from the first outer shell 310. The wire connected to the female connector 400 passes through the second cap 420 and extends into the second outer shell 410 to be crimped with the riveting section 120 of the terminal body 100.

[0111] Exemplarily, the second outer shell 410 and the second cap 420 can be connected by a threaded connection, or can be connected by a snap connection or an adhesive connection, etc. This application does not make a limitation.

[0112] Specifically, a second sealing ring 430 is provided between the second outer shell 410 and the second cap 420. The wire connected to the female connector 400 passes through the second sealing ring 430 and extends into the second outer shell 410. In this embodiment, by squeezing the second sealing ring 430 between the second outer shell 410 and the second cap 420, the second sealing ring 430 can firmly hold the wire in place, effectively preventing the wire extending into the second outer shell 410 from swinging, and playing a role in sealing and shock absorption.

[0113] Exemplarily, the outer ring shape of the second sealing ring 430 can be conical. The small end of the second sealing ring 430 can extend into the second outer shell 410, and the large end of the second sealing ring 430 is embedded in the second cap 420.

[0114] This embodiment also provides a crimping method. By this method, it is possible to effectively prevent the terminal assembly from loosening the compression of the wire core 10, and effectively reduce the resistance between the terminal assembly and the wire core 10, thereby preventing the occurrence of heating.

[0115] Specifically, as Figure 17 shown, the crimping method includes the following steps:

[0116] S100. Provide a terminal body 100 and a wire, and place the first core segment 11 of the core 10 of the wire on the riveting segment 120 of the terminal body 100;

[0117] S200. Provide a reinforcement member 200 and sleuth the reinforcement member 200 on the wire;

[0118] S300. First, press the riveting segment 120 onto the first core segment 11 of the core 10, and then press the first ring portion 210 of the reinforcement member 200 onto the riveting segment 120 and the remaining core segment 12 of the core 10; alternatively, press the first ring portion 210 of the reinforcement member 200 onto the riveting segment 120 and the remaining core segment 12 of the core 10, and simultaneously press the riveting segment 120 onto the first core segment 11 of the core 10.

[0119] It can be understood that in step S300, first pressing the riveting segment 120 onto the first core segment 11 and then pressing the first ring portion 210 onto the riveting segment 120 and the remaining core segment 12 of the core 10 can ensure the pressing accuracy and quality; pressing the riveting segment 120 onto the first core segment 11 while pressing the first ring portion 210 onto the riveting segment 120 and the remaining core segment 12 of the core 10 can speed up the pressing speed.

[0120] Exemplarily, when the reinforcement member 200 includes a first ring portion 210 and a second ring portion 220, step S300 specifically includes the following steps:

[0121] S310. First, press the riveting segment 120 onto the first core segment 11 of the core 10, then press the first ring portion 210 of the reinforcement member 200 onto the riveting segment 120 and the remaining core segment 12 of the core 10, and press the second ring portion 220 of the reinforcement member 200 onto the second core segment 13 and the remaining core segment 12 of the core 10; alternatively, press the first ring portion 210 of the reinforcement member 200 onto the riveting segment 120 and the remaining core segment 12 of the core 10, and simultaneously press the riveting segment 120 onto the first core segment 11 of the core 10, and press the second ring portion 220 of the reinforcement member 200 onto the second core segment 13 and the remaining core segment 12 of the core 10.

[0122] It can be understood that in step S310, the riveting section 120 is first crimped onto the first core section 11 of the wire core 10, then the first ring portion 210 of the reinforcing member 200 is crimped onto the riveting section 120 and the reserved core section 12 of the wire core 10, and the second ring portion 220 of the reinforcing member 200 is crimped onto the second core section 13 and the reserved core section 12 of the wire core 10, which can ensure the crimping accuracy and quality; the first ring portion 210 of the reinforcing member 200 is crimped onto the riveting section 120 and the reserved core section 12 of the wire core 10, and at the same time the riveting section 120 is crimped onto the first core section 11 of the wire core 10, and the second ring portion 220 of the reinforcing member 200 is crimped onto the second core section 13 and the reserved core section 12 of the wire core 10, which can speed up the crimping speed.

[0123] Specifically, when the reinforcing member 200 includes a first ring portion 210, a second ring portion 220 and a third ring portion 230, step S300 specifically includes the following steps:

[0124] S320, crimp the third ring portion 230 of the reinforcing member 200 onto the outer sheath 20 of the wire.

[0125] Specifically, in step S300, the first ring portion 210 of the reinforcing member 200 can be sequentially crimped onto the riveting section 120 and the reserved core section 12 of the wire core 10, the second ring portion 220 of the reinforcing member 200 is crimped onto the second core section 13 and the reserved core section 12 of the wire core 10, and the third ring portion 230 of the reinforcing member 200 is crimped onto the outer sheath 20 of the wire to ensure the crimping accuracy and quality; or, the first ring portion 210 of the reinforcing member 200 is simultaneously crimped onto the riveting section 120 and the reserved core section 12 of the wire core 10, the second ring portion 220 of the reinforcing member 200 is crimped onto the second core section 13 and the reserved core section 12 of the wire core 10, and the third ring portion 230 of the reinforcing member 200 is crimped onto the outer sheath 20 of the wire to speed up the crimping speed.

[0126] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, rather than limiting the embodiments of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A terminal component for riveting with a wire, the wire comprising a wire core (10), the wire core (10) comprising a first core segment (11) and a reserved core segment (12) that are bent with respect to each other, the wire core (10) further comprising a second core segment (13), the second core segment (13), the first core segment (11) and the reserved core segment (12) being connected in sequence, characterized in that, The terminal assembly comprises: The terminal body (100) comprises a butt joint section (110) and a riveted section (120) connected to each other, wherein the riveted section (120) is used to cover and compress the first core section (11), and the second core section (13) and the reserved core section (12) both protrude from one end of the riveted section (120) facing away from the butt joint section (110); The reinforcement member (200) comprises a first ring portion (210) and a second ring portion (220) connected to the first ring portion (210), wherein the first ring portion (210) is sleeved on the riveted section (120) and the reserved core section (12) for covering and pressing the riveted section (120) and the reserved core section (12); the second ring portion (220) protrudes from an end of the riveted section (120) facing away from the docking section (110), and the second ring portion (220) is sleeved on the second core section (13) and the reserved core section (12) for covering and pressing the second core section (13) and the reserved core section (12).

2. The terminal component according to claim 1, characterized in that, An opening (211) is provided on the first ring portion (210), the opening (211) being arranged along the axial direction of the reinforcement member (200), and a first end of the opening (211) passing through an end of the first ring portion (210) facing away from the second ring portion (220).

3. The terminal component according to claim 2, characterized in that, Along the axial direction of the reinforcement member (200), the second end of the opening (211) passes through the reinforcement member (200).

4. The terminal component according to claim 1, characterized in that, The conductor further comprises a jacket (20) sleeved on the wire core (10), the second core segment (13), the first core segment (11) and the reserved core segment (12) extending out of the jacket (20), and the first core segment (11) is arranged at an end of the second core segment (13) facing away from the jacket (20); The reinforcement (200) further comprises a third ring portion (230) connected to the second ring portion (220), wherein the third ring portion (230) is used for being sleeved on the outside of the outer sleeve (20).

5. The terminal component according to claim 1, characterized in that The conductor further comprises a jacket (20) sleeved on the wire core (10), and an end face of the reinforcement member (200) facing the jacket (20) can abut against an end face of the jacket (20).

6. The terminal assembly according to claim 1, characterized in that, The reinforcement member (200) is configured as a closed annular structure.

7. The terminal component according to claim 1, characterized in that, The expansion coefficient of the reinforcement (200) is the same as the expansion coefficient of the wire core (10).

8. The terminal component according to claim 1, characterized in that, The material of the terminal body (100) is metallic copper or a copper alloy, the material of the reinforcement (200) is metallic aluminum or an aluminum alloy, and the material of the wire core (10) is metallic aluminum or an aluminum alloy.

9. The terminal component according to claim 1, characterized in that, The material of the terminal body (100) is metallic copper or a copper alloy, the material of the reinforcement (200) is metallic copper or a copper alloy, and the material of the wire core (10) is metallic copper or a copper alloy.

10. The terminal assembly according to claim 1, wherein, The riveting section (120) is coated with a tinned layer.

11. A connector, characterized in that, The invention comprises a male connector (300) and / or a female connector (400), wherein the male connector (300) comprises a first housing (310), and the female connector (400) comprises a second housing (410), wherein the first housing (310) and the second housing (410) are respectively provided with a terminal assembly according to any one of claims 1 to 10; The terminal assembly in the first housing (310) and the terminal assembly in the second housing (410) are electrically connected, or the docking section (110) of the terminal body (100) of the terminal assembly of one of the male connector (300) and the female connector (400) is electrically connected to the wire.

12. A crimping method for a terminal assembly, characterized in that, The following steps are involved: Providing a terminal body (100) and a wire, and placing a first core segment (11) of the wire core (10) on the riveted segment (120) of the terminal body (100); Providing a reinforcement member (200), and sleeve-mounting the reinforcement member (200) on the wire; First, the riveted section (120) is crimped onto the first core section (11) of the wire core (10), and then the first ring portion (210) of the reinforcement member (200) is crimped onto the riveted section (120) and the reserved core section (12) of the wire core (10), and the second ring portion (220) of the reinforcement member (200) is crimped onto the second core section (13) of the wire core (10) and the reserved core section (12); or The first ring portion (210) of the reinforcement member (200) is crimped onto the riveted section (120) and the reserved core section (12) of the wire core (10), and the riveted section (120) is crimped onto the first core section (11) of the wire core (10), and the second ring portion (220) of the reinforcement member (200) is crimped onto the second core section (13) of the wire core (10) and the reserved core section (12).

13. The crimping method of the terminal assembly according to claim 12, characterized in that The third ring portion (230) of the reinforcement member (200) is crimped onto the outer jacket (20) of the wire.

14. The crimping method of the terminal assembly according to claim 13, wherein The first ring portion (210) of the reinforcement member (200) is sequentially crimped onto the riveted section (120) and the reserved core section (12) of the wire core (10), the second ring portion (220) of the reinforcement member (200) is crimped onto the second core section (13) of the wire core (10) and the reserved core section (12), and the third ring portion (230) of the reinforcement member (200) is crimped onto the outer jacket (20) of the conductor; or At the same time, the first ring portion (210) of the reinforcement member (200) is crimped onto the riveted section (120) and the reserved core section (12) of the wire core (10), the second ring portion (220) of the reinforcement member (200) is crimped onto the second core section (13) of the wire core (10) and the reserved core section (12), and the third ring portion (230) of the reinforcement member (200) is crimped onto the outer jacket (20) of the conductor.

Images