Connecting wire of wire harness, wire harness and vehicle

Abstract

The utility model discloses a wire harness connecting line, wire harness and vehicle, the wire harness has a housing, the housing has an accommodation cavity, one end of the accommodation cavity is provided with an insertion port, the connecting line comprises an electric wire, a sealing member and a blocking member, the electric wire passes through the sealing member, the blocking member is fixedly connected with the electric wire, and the sealing member is provided with an opening. When the connecting line is inserted into the shell, the sealing piece is located in the containing cavity, the blocking piece is located on the side, close to the insertion opening, of the sealing piece, and the blocking piece is configured to limit displacement of the sealing piece in the direction close to the insertion opening. According to the connecting line of the wire harness, the blocking piece limits the displacement of the sealing piece towards the direction of the insertion opening, the fixing stability of the sealing piece can be improved, and the sealing performance is enhanced.

Description

Technical Field

[0001] This disclosure relates to the field of vehicle technology, and more specifically, to a wiring harness connector, a wiring harness, and a vehicle. Background Technology

[0002] Sealing plugs are usually installed on the connector lines of wire harnesses to seal the connector interfaces, prevent the intrusion of external impurities such as moisture, dust, and grease, and ensure that the wire harness connectors can maintain stable electrical performance and improve connector safety.

[0003] Some wire harness connectors use a tail cap at one end of the sheath to attach to prevent the sealing plug from falling off and avoid sealing failure. However, when the tail cap is attached to the connector sheath, there is often a gap between the tail cap and the sealing plug. During use, if subjected to external impacts, compression, or vibration, the sealing plug may shift towards the connector interface, easily losing its sealing function and increasing the risk of leakage. Utility Model Content

[0004] This application proposes a wiring harness connector, a wiring harness, and a vehicle that can limit the displacement of the seal and improve upon the above-mentioned shortcomings.

[0005] In a first aspect, embodiments of this application provide a connecting wire for a wire harness. The wire harness has a housing with a receiving cavity, one end of which has an insertion port. The connecting wire comprises: a wire, a seal, and a blocking member. The wire passes through the seal, and the blocking member is fixedly connected to the wire. When the connecting wire is inserted into the housing, the seal is located within the receiving cavity, and the blocking member is located on the side of the seal near the insertion port. The blocking member is configured to restrict the displacement of the seal towards the insertion port.

[0006] In one possible implementation, the blocking member is an injection-molded part disposed outside the wire.

[0007] In one possible implementation, the wire is provided with a groove, and the blocking member is disposed on the groove.

[0008] In one possible implementation, the blocking member has a first guide portion on the side near the seal.

[0009] In one possible implementation, the connecting wire further includes a terminal disposed at one end of the wire and electrically connected to the wire.

[0010] Secondly, embodiments of this application provide a wire harness, including the aforementioned connecting wire and housing, wherein at least a portion of the connecting wire is located within the housing.

[0011] In one possible implementation, the blocking element is at least partially located within the housing.

[0012] In one possible implementation, the gap between the portion of the blocking member located in the housing and the housing does not exceed 0.3 mm.

[0013] In one possible implementation, the insertion port is provided with a second guide portion.

[0014] In one possible implementation, the seal is interference-fitted with the housing.

[0015] In one possible implementation, the wiring harness further includes a shielding shell disposed within the housing, the shielding shell being located on the side of the seal opposite to the blocking member, the wire including a conductor and a shielding layer, the shielding layer being arranged around the conductor, and the shielding shell being electrically connected to the shielding layer.

[0016] In one possible implementation, the connecting line further includes a connector and a support, the connector including a connecting portion, the support disposed between the connecting portion and the wire, and the shielding layer at least partially located between the support and the connecting portion, the shielding layer being electrically connected to the connecting portion.

[0017] In one possible implementation, the shielding shell has a terminal through hole on the side near the connector, and a bending portion is provided around the terminal through hole, the bending portion being electrically connected to the connector.

[0018] In one possible implementation, the connector further includes a blocking portion located at one end of the connector opposite to the connecting portion, and the blocking portion is located on the side of the seal opposite to the blocking portion.

[0019] Thirdly, embodiments of this application provide a vehicle, characterized in that the vehicle includes the connecting wire of the above-mentioned wiring harness or the above-mentioned wiring harness.

[0020] This application provides a connecting wire for a wiring harness, the wiring harness itself, and a vehicle. The wiring harness has a housing with a receiving cavity. One end of the receiving cavity has an insertion port. The connecting wire includes an electric wire, a seal, and a blocking member. The electric wire passes through the seal, and the blocking member is fixedly connected to the electric wire. When the connecting wire is inserted into the housing, the seal is located within the receiving cavity, and the blocking member is located on the side of the seal closer to the insertion port. The blocking member is configured to restrict the displacement of the seal towards the insertion port. The blocking member can fix the position of the seal and restrict its displacement towards the insertion port, thereby increasing the stability of the connection between the seal and the housing, preventing the seal from sliding, deforming, falling off, or partially sliding out of the receiving cavity, preventing the seal from losing its sealing function, and increasing its sealing performance.

[0021] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0024] Figure 1 This is a schematic diagram of a connecting line provided in one embodiment of this application;

[0025] Figure 2 A schematic diagram of a wire harness provided in one embodiment of this application;

[0026] Figure 3 An exploded view of a wire harness provided in one embodiment of this application;

[0027] Figure 4 A cross-sectional view of a wire harness along the AA direction provided in one embodiment of this application;

[0028] Figure 5 A cross-sectional view of a wire harness along the BB direction provided in one embodiment of this application;

[0029] Figure 6 For this application Figure 4 A magnified view of a section at point P in the middle;

[0030] Figure 7 For this application Figure 2 Schematic diagram of the cross-section of the shielding shell.

[0031] Figure label:

[0032] 100 - Connecting cable; 200 - Wire harness;

[0033] 11-Wire; 111-Conductor; 112-Shielding layer; 113-First insulation layer; 114-Second insulation layer;

[0034] 12-Seals;

[0035] 13-Blocking component; 131-First guide section;

[0036] 14-Housing shell; 141-Receiving cavity; 142-Insertion port; 143-Second guide part; 144-Hanging part; 145-Unlocking part;

[0037] 15-Terminal; 151-Wire clamp; 152-Insulating clamp;

[0038] 16-Shielding shell; 161-Bending section; 162-First bending structure; 163-Second bending structure; 164-Third bending structure; 165-Fourth bending structure;

[0039] 17-Connector; 171-Guide surface; 172-Connecting part; 173-Transition part; 174-Enlarged part; 175-Blocking part; 176-Contact part; 177-Crimping groove;

[0040] 18-Supporting component;

[0041] 19-Sealing device;

[0042] 20-Fixing component; 201-Terminal hole; 202-Groove; 203-First mounting part; 204-Second mounting part;

[0043] 21-Positioning component;

[0044] 22-High voltage interlock device; 221-First insert; 222-Second insert; 223-Protrusion. Detailed Implementation

[0045] In the description of this utility model, it should be understood that the terms "upper," "lower," "inner," "outer," "axial," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the mechanism or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined as "first," "second," "third," or "fourth" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0046] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0047] Wire harness connectors typically have sealing plugs on their housings to seal the connector interface, preventing the intrusion of external impurities such as moisture, dust, and grease, ensuring the connector maintains stable electrical and safety performance. Some wire harness connectors require a tail cap that attaches to the housing to prevent the sealing plug from falling off and causing seal failure. However, when the tail cap is attached to the housing, a certain gap exists between the tail cap and the sealing plug. In some cases, the sealing plug is directly crimped to the terminal insulation clamp. During use, if the sealing plug is subjected to friction from the connector or external forces such as impact, compression, or vibration, it may shift towards the connector's insertion point, causing deformation or partial detachment from the housing. This can lead to loss of sealing function, increasing the risk of leakage. Furthermore, the sealing plug is susceptible to wear or fatigue, reducing its lifespan.

[0048] To address the aforementioned problems in the prior art, this application provides a connecting wire 100, a wire harness 200, and a vehicle. A blocking member 13 is provided on the side of the sealing member 12 near the insertion port 142, and the blocking member 13 is fixedly connected to the wire 11, so that the sealing member 12 can be fixedly installed and cannot be displaced towards the insertion port 142.

[0049] like Figure 1-5 As shown, according to an embodiment of the present application, a wire harness 200 has a connecting wire 100, the wire harness 200 having a housing 14, the housing 14 having a receiving cavity 141, one end of the receiving cavity 141 having an insertion port 142, the connecting wire 100 including: a wire 11, a sealing member 12 and a blocking member 13, the wire 11 passing through the sealing member 12, the blocking member 13 being fixedly connected to the wire 11, when the connecting wire 100 is inserted into the housing 14, the sealing member 12 is located in the receiving cavity 141, the blocking member 13 is located on the side of the sealing member 12 near the insertion port 142, the blocking member 13 being configured to restrict the displacement of the sealing member 12 in the direction of approaching the insertion port 142.

[0050] Specifically, the wire harness 200 includes a housing 14, which effectively protects the internal structure from damage by the external environment, improves the stability of the internal structure, and provides insulation protection to prevent short circuits and electric shock accidents. The housing 14 has a receiving cavity 141, which can accommodate the wire 11 or other electronic components. One end of the receiving cavity 141 is provided with an insertion port 142. The connecting wire 100 of the wire harness 200 includes a wire 11, a seal 12, and a blocking member 13. The wire 11 can transmit power or signals. The seal 12 can be installed into the receiving cavity 141 from the insertion port 142, thereby sealing the insertion port 142 to prevent the intrusion of external impurities such as moisture, dust, and grease, ensuring that the wire harness connector can maintain stable electrical and safety performance. A blocking element 13 is provided at one end of the seal 12 near the insertion port 142. The blocking element 13 can restrict the axial displacement of the seal 12 towards the end near the insertion port 142. The blocking element 13 is fixedly connected to the wire 11. Therefore, the blocking element 13 fixes the position of the seal 12, making it less likely for the seal 12 to detach or partially detach from the housing 14, or to be worn or fatigued due to displacement, thus increasing the stability of the seal.

[0051] Therefore, in this embodiment of the utility model, the connecting wire 100 of the wire harness 200 is blocked by the blocking member 13 on the side of the seal 12 near the insertion port 142, preventing the seal 12 from displacing towards the end near the insertion port 142. As a result, it will not detach from or partially detach from the receiving cavity 141 of the housing 14, making the fixation between the seal 12 and the housing 14 more secure and preventing the seal 12 from deforming during displacement. This ensures that a stable sealing interface is formed between the seal 12 and the housing 14, increasing the sealing performance and reducing the displacement of the seal 12 relative to the housing 14, thereby reducing the friction between the seal 12 and the housing 14, reducing wear and fatigue caused by movement, and thus extending the service life of the seal 12. In addition, during installation, the blocking member 13 makes it easier to push the seal 12 into the housing 14 and avoids the operational difficulties caused by the sliding of the tail cap, improving installation efficiency.

[0052] In some embodiments, the blocking member 13 is an injection-molded part disposed outside the wire 11.

[0053] The blocking element 13 is an injection-molded part formed on the wire 11, which forms a stable connection between the blocking element 13 and the wire 11, improving the blocking effect of the blocking element 13 and preventing the sealing plug from shifting to the insertion port 142 or detaching from the receiving cavity 141. This increases the sealing performance of the sealing element 12, and the sealing element 12 can be fixed without the need for a sheath tail cap. When a sheath tail cap is used for fixing, there is a gap between the sheath tail cap and the sealing element 12, which can cause the sealing element 12 to shift. The relative sliding of the sheath tail cap can make the wire harness processing inconvenient and waste time. The tail cap and the mounting platform on the sheath require more material, increasing the weight of the connector. At the same time, the mold structure is more complex, resulting in higher production costs. Therefore, the blocking element 13 improves the sealing performance, increases installation efficiency, and reduces costs.

[0054] In some embodiments, the wire 11 is provided with a groove, and the blocking member 13 is provided on the groove.

[0055] The wire 11 has a groove, and the blocking member 13 is disposed on the groove. The groove can serve as a fixing point or a connection point to tightly connect the blocking member 13 and the wire 11 together, thereby enhancing the stability and reliability of the connection and ensuring that the parts are not easily loosened or detached when subjected to force.

[0056] In some embodiments, the blocking member 13 is provided with a first guide portion 131 on the side near the sealing member 12.

[0057] The blocking member 13 is provided with a first guide portion 131 on the side near the seal member 12. The first guide portion 131 can ensure accurate alignment and positioning during installation, improve installation accuracy and efficiency, reduce assembly errors and damage, and ensure the consistency and reliability of installation.

[0058] In some embodiments, the connecting wire 100 further includes a terminal 15, which is disposed at one end of the wire 11 and is electrically connected to the wire 11.

[0059] The connecting wire 100 also includes a terminal 15, which can connect different wires in the circuit to form a complete circuit, ensuring stable transmission of electrical energy and signals, and providing physical connection points for connected wires or cables.

[0060] In some embodiments, the terminal 15 and the end of the seal 12 opposite to the insertion port 142 are fixedly connected. The fixed connection between the terminal 15 and the end of the seal 12 opposite to the insertion port 142 limits the end of the seal 12 opposite to the insertion port 142, and the blocking member 13 limits the end of the seal 12 close to the insertion port 142, further limiting the displacement of the seal 12 and enhancing the sealing performance.

[0061] It is understood that the terminal 15 and the seal 12 may be fixedly connected or not fixedly connected. They may be fixed by crimping or by other fixing methods. This application does not impose any restrictions.

[0062] This application also provides a wire harness 200, including the aforementioned connecting wire 100 and the aforementioned housing 14, wherein at least a portion of the connecting wire 100 is located within the housing 14.

[0063] In some embodiments, the blocking member 13 is at least partially located within the housing 14.

[0064] The blocking member 13 is located at least partially inside the housing 14, which can position the seal 12 away from the insertion port 142, further preventing the seal 12 from partially detaching from the housing 14, thereby avoiding insufficient closure of the sealing interface or preventing the seal 12 from being corroded and damaged by the external environment.

[0065] In some embodiments, the gap between the portion of the blocking member 13 located on the housing 14 and the housing 14 does not exceed 0.3 mm.

[0066] At least a portion of the blocking member 13 is located inside the housing 14. Therefore, the diameter of at least a portion of the blocking member 13 is smaller than the diameter of the insertion port 142. The gap between the portion of the blocking member 13 located in the housing 14 and the housing 14 does not exceed 0.3 mm. Thus, the diameter of the blocking member 13 is close to the diameter of the insertion port 142. This can alleviate the problem of inconsistent radial compression of the seal 12 caused by the blocking member 13 tilting in the housing when the wire shakes, and prevent the seal 12 from losing its sealing effect in some positions.

[0067] In some embodiments, the insertion port 142 is provided with a second guide portion 143.

[0068] The insertion port 142 is provided with a second guide portion 143, which facilitates the assembly of the seal 12 and other components, enabling easier and more accurate installation and preventing damage to the seal 12 during assembly. When the insertion port 142 is provided with the second guide portion 143, the blocking member 13 prevents the seal 12 from shifting towards the second guide portion 143, thus preventing the seal 12 from being located at or partially located at the second guide portion 143 and ensuring a stable sealing effect.

[0069] It is understood that the second guide portion 143 can be chamfered or rounded, as long as it can play a guiding role and prevent damage to the seal 12. This embodiment does not impose too many restrictions.

[0070] In some embodiments, the seal 12 is interference-fitted with the housing 14.

[0071] The seal 12 is interference-fitted with the housing 14, so the seal 12 undergoes elastic deformation under compression, which ensures a tight fit between the seal 12 and the housing 14, preventing leakage and improving the reliability of the seal. In addition, the friction between the seal 12 and the housing 14 also enhances the connection stability, ensuring that the seal 12 and the mating parts will not loosen or fall off due to vibration, impact or other factors during long-term use, thereby enhancing the stability of the connection.

[0072] In some embodiments, the contact area between the seal 12 and the housing 14 is provided with raised ribs.

[0073] In some embodiments, the connection between the seal 12 and the wire 11 is provided with a rib or groove.

[0074] In some embodiments, the wire harness 200 further includes a shielding shell 16 and a shielding layer 112. The shielding shell 16 is disposed inside the housing 14 and is located on the side of the seal 12 away from the blocking member 13. The wire 11 includes a conductor 111 and a shielding layer 112. The shielding layer 112 is arranged around the conductor 111. The shielding shell 16 is electrically connected to the shielding layer 112.

[0075] The wiring harness 200 also includes a shielding shell 16 and a shielding layer 112. The shielding shell 16 is disposed inside the housing 14. The wire 11 includes a conductor 111 and a shielding layer 112. The shielding layer 112 is arranged around the conductor 111. The shielding shell 16 and the shielding layer 112 are electrically connected. The shielding shell 16 and the shielding layer 112 can effectively prevent external interference signals from entering the inner conductor, thereby interfering with signal transmission. They can also reduce signal loss during transmission, ensuring signal integrity and stability. In addition, the shielding shell 16 and the shielding layer 112 isolate electromagnetic noise sources from sensitive equipment, cutting off the transmission path of noise sources. The shielding shell 16 and the shielding layer 112 are electrically connected to form a continuous conductive barrier, effectively blocking the entry of external signals and also preventing internal signals from interfering with external sensitive equipment.

[0076] It is understandable that the shielding layer 112 can be metal or conductive plastic. The specifications of the shielding layer 112 can be adjusted according to actual needs, as long as it can achieve the shielding effect. This embodiment does not impose too many restrictions.

[0077] In some embodiments, the shielding layer 112 is a metal mesh or a metal foil.

[0078] In some embodiments, the wire 11 further includes a first insulating layer 113 and a second insulating layer 114. The first insulating layer 113 is disposed between the wire 111 and the shielding layer 112, the second insulating layer 114 is disposed around the shielding layer 112, and the blocking member 13 is disposed outside the second insulating layer 114.

[0079] In some embodiments, the wiring harness 200 further includes a connector 17 and a support 18. The connector 17 includes a connecting portion 172. The support 18 is disposed between the connecting portion 172 and the second insulating layer 114. The shielding layer 112 is at least partially located between the support 18 and the connecting portion 17. The shielding layer 112 is electrically connected to the connecting portion 172.

[0080] The wiring harness 200 also includes a connector 17, which includes a connection portion 172. A shielding layer 112 is located at least partially between the support member 18 and the connection portion 172. The shielding layer 112 and the connection portion 172 are electrically connected to form a ground current loop, thereby shielding external signals.

[0081] Understandably, the support 18 and the connector 17 are made of metal, preferably stainless steel or brass.

[0082] In some embodiments, the support 18 and the connector 17 are riveted to the wire 11.

[0083] In some embodiments, the shielding shell 16 is provided with a terminal through hole on the side near the connector 17, and a bending portion 161 is provided around the terminal through hole, the bending portion 161 being electrically connected to the connector 172.

[0084] Specifically, such as Figure 6 As shown, the shielding shell 16 has a bent portion 161, which is electrically connected to the connecting portion 172. Therefore, the connecting portion 172 connects the shielding shell 16 and the shielding layer 112 to form a grounding current loop. Thus, the shielding shell 16 and the shielding layer 112 together form a shielding space, which can improve the stability of the electrical connection. When the connecting line 100 is displaced or shaken, the bent portion 161 is always in contact with the connecting portion 172, thereby improving the stability of the connection between the connecting portion 172 and the shielding shell 16.

[0085] It is understood that there can be one or more bending portions 161, as long as the shielding shell 16 and the connecting portion 172 can be stably connected. This embodiment does not impose too many restrictions.

[0086] In some embodiments, the bent portion 161 is elastic and is elastically connected to the connecting portion 172.

[0087] The bent portion 161 is elastic and is elastically connected to the connecting portion 172. Therefore, the bent portion 161 has a stable rebound force, which can maintain a stable contact state during long-term use and reduce the risk of circuit failure.

[0088] In some embodiments, a sealing device 19 is provided between the shielding shell 16 and the housing 14. One side of the sealing device 19 contacts and seals the housing 14, and the other side of the sealing device 19 contacts and seals the mating plug or device.

[0089] In some embodiments, such as Figure 7 As shown, the shielding shell 16 is further provided with several outwardly extending first bending structures 162, second bending structures 163, and third bending structures 164. The second bending structures 162 are used to limit the sealing device 19 and guide the mating end. The second bending structures 163 are used to cooperate with the shell 14 for auxiliary limiting. The third bending structures 164 are used to engage with the groove in the shell 14 to prevent the shielding shell 16 from detaching from the shell 14. The shielding shell 16 is also provided with several inwardly extending fourth bending structures 165. The fourth bending structures 165 are used to engage with the second hooking part 204 on the side of the fixing member 20 to prevent the fixing member 20 from detaching from the shielding shell 16.

[0090] In some embodiments, such as Figure 1 As shown, the connector 17 also includes a blocking portion 175, which is located at one end of the connector 17 away from the connecting portion 172 and on the side of the seal 12 away from the blocking portion 13.

[0091] The connector 17 also includes a blocking portion 175, which is located on the side of the seal 12 away from the blocking portion 13. The blocking portion 175 can limit the displacement of the seal 12 relative to the wire 11. The blocking portion forms a large plane to block the seal 12, thus avoiding damage to the seal 12 when the thin annular wall of the connector 12 blocks the seal 12.

[0092] In some embodiments, the support member 18, the shielding layer 112, and the connecting portion 172 are pressed together to form a regular hexagonal contact portion 176, and pressing grooves 177 are pressed out on the upper and lower surfaces of the regular hexagon to secure it firmly.

[0093] In some embodiments, the connector 17 further includes a guide surface 171, a transition portion 173, and an enlargement portion 174. The guide surface 171 is used for deburring and guiding during assembly. The transition portion 173 is used for crimping transition and has a certain guiding effect on the assembly of the wire 11. The enlargement portion 174 facilitates the insertion of the wire 11 and the support member 18. The enlargement portion 174 is located between the connecting portion 172 and the blocking portion 175 and is used to connect the connecting portion 172 and the blocking portion 175, facilitating the insertion of the wire 11 and the support member 18 while also serving as support for the blocking portion 175.

[0094] In some embodiments, the housing 14 further includes a self-locking device, which includes a hook-on part 144 and an unlocking part 145. The housing 14 is locked or unlocked with the mating plug or device by means of the self-locking device.

[0095] In some embodiments, the wiring harness 200 further includes a fixing member 20, which is used to fix the terminal 15 and cut off the electrical connection between the terminal 15 and the shielding shell 16. The fixing member 20 includes a plurality of terminal holes 201, grooves 202, a first hook-up portion 203, and a second hook-up portion 204. The terminal holes 201 are used to accommodate and fix the terminal 15, the grooves 202 are used to fix the high-voltage interlocking device 22, the first hook-up portion 203 is used to ensure the hook-up of the third bending structure 164 of the shielding shell 16 with the shell 14, and at the same time prevent the fixing member 20 from detaching from the shielding shell 16, and the second hook-up portion 204 is used to engage with the fourth bending structure 165 on the side of the shielding shell 16 to prevent the fixing member 20 from detaching from the shielding shell 16.

[0096] In some embodiments, the wire harness 200 further includes a positioning member 21, which is provided with a limiting part, a groove, a mounting platform, etc. The limiting part, groove, mounting platform cooperate with the housing to enhance the holding force between the wire harness 200 and the mating connector or device, and ensure that the connector can be stably locked when mating.

[0097] In some embodiments, terminal 15 includes wire clamp 151 and insulating clamp 152, wire clamp 151 crimps wire 111, and insulating clamp 152 crimps first insulating layer 113.

[0098] In some embodiments, the high-voltage interlock device 22 includes a first insert 221, a second insert 222, and at least one protrusion 223 on the side. The protrusion 223 is used to mate with the groove 202 of the fixing member 20 to fix the high-voltage interlock device 22. The first insert 221 and the second insert 222 are respectively connected to the two terminals of the mating end and the wire to form a current loop. When the connector is engaged, the terminal 15 contacts the mating terminal earlier than the high-voltage interlock device 22 contacts the mating end. When the system detects a low-voltage signal through the high-voltage interlock current loop, the terminal 15 must be connected, and the current loop of the terminal 15 can be energized, thereby avoiding the problem of loose connection. When the connector is disengaged, the high-voltage interlock device 22 disconnects earlier than the terminal 15 disconnects. When the system detects the low-voltage signal disconnection through the high-voltage interlock current loop, it sends an alarm signal to the vehicle before the high-voltage current loop is de-energized, allowing time for the vehicle system to take countermeasures. At the same time, when repairing the high-voltage current loop of the whole vehicle, it can prevent accidental operation from energizing the high-voltage circuit and ensure the safety of maintenance personnel.

[0099] This application also provides a vehicle that includes the aforementioned connecting wire 100 or wiring harness 200. This vehicle possesses all the beneficial effects of the aforementioned connecting wire 100 and wiring harness 200, which will not be elaborated further herein.

[0100] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0101] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A connecting wire for a wire harness, the wire harness having a housing, the housing having a receiving cavity, one end of the receiving cavity having an insertion port, characterized in that, The connecting line includes: an electric wire, a seal, and a blocking member. The electric wire passes through the seal, and the blocking member is fixedly connected to the electric wire. When the connecting line is inserted into the housing, the seal is located in the receiving cavity, and the blocking member is located on the side of the seal near the insertion port. The blocking member is configured to restrict the displacement of the seal in the direction closer to the insertion port.

2. The connecting wire of the wire harness according to claim 1, characterized in that, The blocking component is an injection-molded part located outside the wire.

3. The connecting wire of the wire harness according to claim 1, characterized in that, The wire has a groove, and the blocking member is disposed on the groove.

4. The connecting wire of the wire harness according to claim 1, characterized in that, The blocking member has a first guide portion on the side near the sealing member.

5. The connecting wire of the wire harness according to claim 1, characterized in that, The connecting wire also includes a terminal, which is disposed at one end of the wire and is electrically connected to the wire.

6. A wire harness, characterized in that, It includes the connecting wire as described in any one of claims 1-5 and the housing as described in claim 1, wherein at least a portion of the connecting wire is located within the housing.

7. The wire harness according to claim 6, characterized in that, The blocking element is at least partially located within the housing.

8. The wire harness according to claim 6, characterized in that, The gap between the portion of the blocking member located on the housing and the housing does not exceed 0.3 mm.

9. The wire harness according to claim 6, characterized in that, The insertion port is provided with a second guide section.

10. The wire harness according to claim 6, characterized in that, The seal is interference-fitted with the housing.

11. The wire harness according to claim 6, characterized in that, The wiring harness also includes a shielding shell disposed inside the housing. The shielding shell is located on the side of the seal opposite to the blocking member. The wire includes a conductor and a shielding layer. The shielding layer is arranged around the conductor. The shielding shell is electrically connected to the shielding layer.

12. The wire harness according to claim 11, characterized in that, The connecting wire further includes a connector and a support. The connector includes a connecting portion. The support is disposed between the connecting portion and the wire. The shielding layer is at least partially located between the support and the connecting portion. The shielding layer is electrically connected to the connecting portion.

13. The wire harness according to claim 12, characterized in that, The shielding shell has a terminal through hole on the side near the connector, and a bending part is provided around the terminal through hole. The bending part is electrically connected to the connector.

14. The wire harness according to claim 12, characterized in that, The connector further includes a blocking portion located at one end of the connector opposite to the connecting portion, and the blocking portion located on the side of the seal opposite to the blocking portion.

15. A vehicle, characterized in that, The vehicle includes the connecting wires of the wiring harness as described in any one of claims 1-5 or the wiring harness as described in any one of claims 6-14.

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