Junction box and junction assembly

Abstract

The utility model provides a junction box and a junction assembly. The junction box comprises a box body and a rubber core. The first end of the box body is provided with a first accommodating groove used for installing a copper bar assembly. The second end of the box body is provided with a second accommodating groove used for installing a wiring terminal assembly. The second containing groove is communicated with the first containing groove, and the rubber core is arranged at the communication position of the first containing groove and the second containing groove, so that the wiring terminal assembly penetrates through the rubber core to be connected with the copper bar assembly. According to the utility model, the rubber core is arranged at the communication part of the first accommodating groove and the second accommodating groove, the first accommodating groove is used for installing the copper bar assembly, the second accommodating groove is used for installing the wiring terminal assembly, and the wiring terminal assembly passes through the rubber core and is connected with the copper bar assembly; in this way, the wiring terminal assembly is shielded and protected through the rubber core, so that the junction box has a full-shielding structure, serious electromagnetic interference caused by excessive current is avoided, and the influence on the use of other components is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of junction boxes, in particular to a junction box and a wiring assembly. Background Art

[0002] The junction box is a structural member for placing a copper bar assembly and a wiring terminal assembly. In order to ensure the normal use of the copper bar assembly and the wiring terminal assembly, a shielding structure needs to be provided in the junction box; however, the existing junction boxes generally do not have a full shielding structure, which will cause serious electromagnetic interference when the current is too large, affecting the use of other components. Summary of the Utility Model

[0003] The utility model provides a junction box and a wiring assembly to solve the problem that the existing junction box does not have a full shielding structure, which will cause serious electromagnetic interference when the current is too large, affecting the use of other components.

[0004] A junction box includes a box body and a rubber core;

[0005] A first accommodation groove for installing a copper bar assembly is provided at a first end of the box body;

[0006] A second accommodation groove for installing a wiring terminal assembly is provided at a second end of the box body;

[0007] The second accommodation groove communicates with the first accommodation groove, and the rubber core is arranged at the communication position of the first accommodation groove and the second accommodation groove, so that the wiring terminal assembly passes through the rubber core and is connected to the copper bar assembly.

[0008] Preferably, the junction box further includes an end cover and a side cover;

[0009] The end cover is installed on an end face of the first end of the box body and is used for connecting with the copper bar assembly;

[0010] An observation port communicating with the first accommodation groove is provided on one side surface of the box body, and the observation port corresponds to the connection position of the copper bar assembly and the wiring terminal assembly;

[0011] The side cover is installed on one side surface of the box body and is used for covering the observation port.

[0012] Preferably, the junction box further includes a sheath, and the sheath is installed at the connection position of the wiring terminal assembly and the copper bar assembly and is in contact with the side cover.

[0013] Preferably, the box body includes a first main body, a second main body extending axially from a first end of the first main body, and a fixing protrusion extending radially from a second end of the first main body;

[0014] The first accommodating groove is arranged in the first main body, the second accommodating groove is arranged in the second main body, and the observation port is arranged on one side surface of the first main body;

[0015] The end cover is installed on the fixing protrusion, and the side cover is installed on the first main body.

[0016] Preferably, the junction box further includes a first sealing member and a second sealing member;

[0017] A first sealing groove is arranged on the end surface of the first end of the box body, and the first sealing member is installed in the first sealing groove and contacts the end cover;

[0018] Second sealing grooves are arranged on one side surface of the box body where the observation port is located, and the second sealing member is installed in the second sealing groove and contacts the side cover.

[0019] A wiring assembly includes a copper bar assembly, a wiring terminal assembly, and the junction box as described above;

[0020] The copper bar assembly is installed in the first accommodating groove at the first end of the box body, the wiring terminal assembly is installed in the second accommodating groove at the second end of the box body, and the wiring terminal assembly passes through the rubber core and is connected to the copper bar assembly.

[0021] Preferably, the copper bar assembly includes a plastic-coated bracket and a copper bar body;

[0022] The first end of the copper bar body is embedded in the plastic-coated bracket, and the second end of the copper bar body protrudes from the plastic-coated bracket;

[0023] One side surface of the first end of the copper bar body is exposed and connected to the wiring terminal assembly;

[0024] The junction box includes a box body and an end cover;

[0025] The plastic-coated bracket is arranged in the first main body of the box body and is connected to the end cover.

[0026] Preferably, the plastic-coated bracket includes a bracket main body and a fixing disk extending radially from the periphery of one end of the bracket main body;

[0027] An embedding position is arranged on the bracket main body, and the first end of the copper bar body is embedded in the embedding position;

[0028] The bracket main body is arranged in the first main body, and the fixing disk is installed on the end cover.

[0029] Preferably, the wiring terminal assembly includes a connection terminal, a cable, a shielding cover, and a tail clip;

[0030] The first end of the connection terminal is connected to one end of the cable, and the second end of the connection terminal is connected to the copper busbar assembly;

[0031] The shielding cover is sleeved at the connection part of the cable and the first end of the connection terminal;

[0032] The tail clip is sleeved on the cable, located on one side of the shielding cover, and is connected to the box body.

[0033] Preferably, the wiring terminal assembly further includes a tail sealing ring, which is sleeved on the cable, located between the shielding cover and the tail clip, and is in contact with the box body.

[0034] The junction box provided by the embodiment of the present invention includes a box body and a rubber core; a first accommodation groove is provided at the first end of the box body, and a second accommodation groove communicating with the first accommodation groove is provided at the second end of the box body. The second accommodation groove cooperates with the first accommodation groove to form an accommodation space for placing the copper busbar assembly and the wiring terminal assembly. During installation, the rubber core is arranged at the communication part of the first accommodation groove and the second accommodation groove. Specifically, a clamping groove is provided on the inner wall of the first accommodation groove, and a clamping buckle is provided on the outer wall of the rubber core, or a clamping buckle is provided on the inner wall of the first accommodation groove, and a clamping groove is provided on the outer wall of the rubber core. The clamping buckle and the clamping groove are matched to facilitate the installation and disassembly of the rubber core; the first accommodation groove is used for installing the copper busbar assembly; the second accommodation groove is used for installing the wiring terminal assembly, so that the wiring terminal assembly passes through the rubber core and is connected to the copper busbar assembly; such a setting shields and protects the wiring terminal assembly through the rubber core, making the junction box have a full shielding structure, avoiding serious electromagnetic interference when the current is too large, and preventing the influence on the use of other components. Description of the Drawings

[0035] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required to be used in the description of the embodiments of the present invention. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings.

[0036] Figure 1 is a cross-sectional view of a wiring assembly in an embodiment of the present invention;

[0037] Figure 2 is an axonometric view of a copper busbar assembly in an embodiment of the present invention;

[0038] Figure 3 is an exploded view of a copper busbar assembly in an embodiment of the present invention;

[0039] Figure 4 is an axonometric view of a junction box in an embodiment of the present invention;

[0040] Figure 5 is an exploded view of a junction box in an embodiment of the present utility model;

[0041] Figure 6 is a cross-sectional view of a junction box in an embodiment of the present utility model.

[0042] Wherein, 1. Junction box; 11. Box body; 111. First main body; 112. Second main body; 113. Fixed protrusion; 12. Glue core; 13. First accommodating groove; 14. Second accommodating groove; 15. Sheath; 16. End cover; 17. Side cover; 18. Observation port; 19. First seal; 110. Second seal; 2. Copper busbar assembly; 21. Plastic-coated bracket; 211. Bracket main body; 212. Fixed disk; 213. Embedding position; 22. Copper busbar body; 3. Wiring terminal assembly; 31. Connection terminal; 32. Cable; 33. Shielding cover; 34. Tail clip; 35. Tail sealing ring. Detailed implementation manners

[0043] In order to make the technical problems, technical solutions and beneficial effects solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0044] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, 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, and therefore should not be construed as a limitation to the present utility model. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0045] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0046] An embodiment of the present utility model provides a junction box 1, referring to Figure 1 、Figure 4 , Figure 5 and Figure 6 , the junction box 1 includes a box body 11 and a rubber core 12; a first accommodation groove 13 for installing the copper bar assembly 2 is provided at the first end of the box body 11; a second accommodation groove 14 for installing the terminal block assembly 3 is provided at the second end of the box body 11; the second accommodation groove 14 communicates with the first accommodation groove 13, and the rubber core 12 is arranged at the communication position of the first accommodation groove 13 and the second accommodation groove 14; so that the terminal block assembly 3 passes through the rubber core 12 and is connected to the copper bar assembly 2.

[0047] As an example, the junction box 1 includes a box body 11 and a rubber core 12; a first accommodation groove 13 is provided at the first end of the box body 11, and a second accommodation groove 14 communicating with the first accommodation groove 13 is provided at the second end of the box body 11. The second accommodation groove 14 cooperates with the first accommodation groove 13 to form an accommodation space for placing the copper bar assembly 2 and the terminal block assembly 3. During installation, the rubber core 12 is arranged at the communication position of the first accommodation groove 13 and the second accommodation groove 14. Specifically, a clamping groove is provided on the inner wall of the first accommodation groove 13, and a clamping buckle is provided on the outer wall of the rubber core 12, or a clamping buckle is provided on the inner wall of the first accommodation groove 13, and a clamping groove is provided on the outer wall of the rubber core 12. The clamping buckle and the clamping groove are matched, which is convenient for the installation and disassembly of the rubber core 12; the first accommodation groove 13 is used for installing the copper bar assembly 2; the second accommodation groove 14 is used for installing the terminal block assembly 3, so that the terminal block assembly 3 passes through the rubber core 12 and is connected to the copper bar assembly 2; such a setting shields and protects the terminal block assembly 3 through the rubber core 12, so that the junction box 1 has a full shielding structure, avoiding serious electromagnetic interference when the current is too large and preventing the influence on the use of other components. Among them, the number of the second accommodation grooves 14 can be arranged according to the number of the terminal block assemblies 3, and can be one or multiple; correspondingly, the number of the rubber cores 12 can be one or multiple, and multiple rubber cores 12 are of an integrally formed structure.

[0048] In an embodiment, referring to Figure 1 , Figure 4 , Figure 5 and Figure 6 , the junction box 1 further includes an end cover 16 and a side cover 17; the end cover 16 is installed on the end face of the first end of the box body 11 and is used for connecting to the copper bar assembly 2; an observation port 18 communicating with the first accommodation groove 13 is provided on one side surface of the box body 11, and the observation port 18 corresponds to the connection position of the copper bar assembly 2 and the terminal block assembly 3; the side cover 17 is installed on one side surface of the box body 11 and is used for covering the observation port 18.

[0049] As an example, the junction box 1 further includes an end cover 16 and a side cover 17; during installation, the end cover 16 is installed on the end face of the first end of the box body 11 for connection with the copper busbar assembly 2, so as to provide support for the copper busbar assembly 2 and facilitate the installation and disassembly of the copper busbar assembly 2. An observation port 18 communicating with the first accommodation groove 13 is provided on one side surface of the box body 11, and the observation port 18 corresponds to the connection between the copper busbar assembly 2 and the terminal block assembly 3. The side cover 17 is installed on one side surface of the box body 11 for covering the observation port 18, so that the operator can connect the copper busbar assembly 2 and the terminal block assembly 3 through the observation port 18, and by removing the side cover 17, it is convenient to repair the internal parts of the junction box 1. Among them, the end cover 16 is fixed to the end face of the first end of the box body 11 by fasteners (such as bolts); the side cover 17 is fixed to one side surface of the box body 11 by fasteners (such as bolts).

[0050] In one embodiment, referring to Figure 1 、 Figure 4 、 Figure 5 and Figure 6 , the junction box 1 further includes a sheath 15, and the sheath 15 is installed at the connection between the terminal block assembly 3 and the copper busbar assembly 2 and is in contact with the side cover 17.

[0051] As an example, the junction box 1 further includes a sheath 15. During installation, the sheath 15 is installed at the connection between the terminal block assembly 3 and the copper busbar assembly 2 and is in contact with the side cover 17; by setting the sheath 15 like this, the connection between the terminal block assembly 3 and the copper busbar assembly 2 can be wrapped to achieve shielding protection, further improving the full shielding effect of the junction box 1, avoiding serious electromagnetic interference when the current is too large, and preventing the influence on the use of other components. Among them, the number of sheaths 15 is selected according to the number of terminal block assemblies 3, which can be one or multiple, and multiple sheaths 15 are of an integrally formed structure.

[0052] In one embodiment, referring to Figure 1 and Figure 6 , the box body 11 includes a first main body 111, a second main body 112 extending axially from the first end of the first main body 111, and a fixing protrusion 113 extending radially from the second end of the first main body 111; the first accommodation groove 13 is arranged in the first main body 111, the second accommodation groove 14 is arranged in the second main body 112, and the observation port 18 is arranged on one side surface of the first main body 111; the end cover 16 is installed on the fixing protrusion 113, and the side cover 17 is installed on the first main body 111.

[0053] As an example, the box body 11 includes a first main body 111, a second main body 112, and a fixing protrusion 113; the first accommodating groove 13 is arranged in the first main body 111 for installing the copper busbar assembly 2; the second main body 112 extends axially from the first end of the first main body 111, and the second accommodating groove 14 is arranged in the second main body 112 for installing the terminal block assembly 3; the observation port 18 is arranged on one side surface of the first main body 111, and an operator can connect the copper busbar assembly 2 and the terminal block assembly 3 through the observation port 18; the side cover 17 is installed on the first main body 111 for covering the observation port 18, and by disassembling the side cover 17, it is convenient to repair the internal parts of the junction box 1. The fixing protrusion 113 extends radially from the second end of the first main body 111, and the end cover 16 is installed on the fixing protrusion 113 for connecting with the copper busbar assembly 2, so as to provide support for the copper busbar assembly 2 and facilitate the installation and disassembly of the copper busbar assembly 2.

[0054] In one embodiment, referring to Figure 1 , Figure 5 and Figure 6 , the junction box 1 further includes a first sealing member 19 and a second sealing member 110; a first sealing groove is provided on the end face of the first end of the box body 11, and the first sealing member 19 is installed in the first sealing groove and contacts the end cover 16; second sealing grooves are provided on the side surface of the box body 11 where the observation port 18 is provided, and the second sealing member 110 is installed in the second sealing groove and contacts the side cover 17.

[0055] As an example, the junction box 1 further includes a first sealing member 19 and a second sealing member 110; during installation, a first sealing groove is provided on the end face of the first end of the box body 11, and the first sealing member 19 is installed in the first sealing groove and contacts the end cover 16. The sealing performance between the end cover 16 and the box body 11 can be improved through the first sealing member 19. Second sealing grooves are provided on the side surface of the box body 11 where the observation port 18 is provided, and the second sealing member 110 is installed in the second sealing groove and contacts the side cover 17. The sealing performance between the side cover 17 and the box body 11 can be improved through the second sealing member 110. In this way, the first sealing member 19 and the second sealing member 110 can increase the sealing performance between the end cover 16 and the side cover 17 and the box body 11, enabling the junction box 1 to reach the IPX7 protection level and effectively protecting the electronic components in the junction box 1.

[0056] An embodiment of the present invention provides a wiring assembly, referring to Figures 1 - 6 , including a copper busbar assembly 2, a terminal block assembly 3, and a junction box 1; the copper busbar assembly 2 is installed in the first accommodating groove 13 at the first end of the box body 11, the terminal block assembly 3 is installed in the second accommodating groove 14 at the second end of the box body 11, and the terminal block assembly 3 passes through the rubber core 12 to connect with the copper busbar assembly 2.

[0057] As an example, the wiring assembly includes a copper busbar assembly 2, a wiring terminal assembly 3, and a junction box 1; the junction box 1 includes a box body 11 and a rubber core 12; a first accommodation groove 13 is provided at the first end of the box body 11, and a second accommodation groove 14 communicating with the first accommodation groove 13 is provided at the second end of the box body 11. The second accommodation groove 14 cooperates with the first accommodation groove 13 to form an accommodation space for placing the copper busbar assembly 2 and the wiring terminal assembly 3. During installation, the rubber core 12 is arranged at the communication position of the first accommodation groove 13 and the second accommodation groove 14. The copper busbar assembly 2 is installed in the first accommodation groove 13 of the box body 11, and the wiring terminal assembly 3 is installed in the second accommodation groove 14 of the box body 11, so that the wiring terminal assembly 3 passes through the rubber core 12 and is connected to the copper busbar assembly 2; such a setting shields and protects the wiring terminal assembly 3 through the rubber core 12, making the junction box 1 have a full shielding structure, avoiding serious electromagnetic interference when the current is too large, and preventing the use of other components from being affected. Among them, the connection between the copper busbar assembly 2 and the wiring terminal assembly 3 uses a screw connection. Specifically, a first through hole is provided on the copper busbar assembly 2, and a second through hole is provided on the wiring terminal assembly 3. The screw is inserted into the first through hole and the second through hole to connect the copper busbar assembly 2 and the wiring terminal assembly 3; using a screw connection has a small contact resistance, a stable resistance after aging, a strong current-carrying capacity, and a low temperature rise, solving the problems of unstable connection of the reed, increased resistance after aging, and high temperature rise.

[0058] In this example, the copper busbar assembly 2 is installed in the first accommodation groove 13 at the first end of the box body 11, the wiring terminal assembly 3 is installed in the second accommodation groove 14 at the second end of the box body 11, the wiring terminal assembly 3 passes through the rubber core 12 and is connected to the copper busbar assembly 2. The connection between the wiring terminal assembly 3 and the copper busbar assembly 2 has a compact structure design, small size, few parts, convenient installation, and is convenient for vehicle body layout and assembly efficiency improvement.

[0059] In one embodiment, referring to Figure 1 、 Figure 2 and Figure 3 , the copper busbar assembly 2 includes a plastic-coated bracket 21 and a copper busbar body 22; the first end of the copper busbar body 22 is embedded in the plastic-coated bracket 21, and the second end of the copper busbar body 22 protrudes from the plastic-coated bracket 21; one side of the first end of the copper busbar body 22 is exposed and connected to the wiring terminal assembly 3; the junction box 1 includes a box body 11 and an end cover 16; the plastic-coated bracket 21 is arranged in the first main body 111 of the box body 11 and is connected to the end cover 16.

[0060] As an example, the copper bar assembly 2 includes a plastic-coated bracket 21 and a copper bar body 22; during installation, the first end of the copper bar body 22 is embedded in the plastic-coated bracket 21, and one side of the first end of the copper bar body 22 is exposed to the outside and connected to the terminal assembly 3; in this way, the end of the copper bar body 22 connected to the terminal assembly 3 is coated with plastic using the plastic-coated bracket 21, which can improve the shielding protection of the copper bar body 22 and the terminal assembly 3 while ensuring that the copper bar body 22 can be connected to the terminal assembly 3; the second end of the copper bar body 22 protrudes from the plastic-coated bracket 21 and can be connected by riveting , structural temperature, and strong vibration resistance; the junction box 1 includes a box body 11 and an end cover 16; the plastic-coated bracket 21 is arranged in the first main body 111 of the box body 11 and is connected to the end cover 16, so that the plastic-coated bracket 21 is connected to the end cover 16 together, specifically, a first fastening hole is provided on the plastic-coated bracket 21, and a second fastening hole is provided on the end cover 16. By fasteners (such as bolts) are inserted into the first fastening hole and the second fastening hole, the plastic-coated bracket 21 can be connected to the end cover 16 together, and the end cover 16 can provide support for the copper busbar assembly 2, which is convenient for installing and disassembling the copper busbar assembly 2.

[0061] In one embodiment, referring to Figure 3 The plastic-coated bracket 21 includes a bracket body 211 and a fixing plate 212 extending radially from the periphery of one end of the bracket body 211; an embedding position 213 is provided on the bracket body 211, and the first end of the copper busbar body 22 is embedded in the embedding position 213; the bracket body 211 is arranged in the first body 111, and the fixing plate 212 is installed on the end cover 16.

[0062] As an example, the plastic-coated bracket 21 includes a bracket body 211 and a fixed plate 212; the bracket body 211 is arranged in the first body 111, and an embedding position 213 is provided on the bracket body 211. During installation, the first end of the copper bar body 22 is embedded in the embedding position 213, so as to facilitate the plastic coating of the end of the copper bar body 22 connected to the terminal assembly 3. On the premise that the copper bar body 22 can be connected to the terminal assembly 3, the shielding protection of the copper bar body 22 and the terminal assembly 3 can be improved. The fixed plate 212 extends radially from the outer periphery of one end of the bracket body 211, and the fixed plate 212 is installed on the end cover 16, so that the plastic-coated bracket 21 can be connected to the end cover 16. The end cover 16 can provide support for the copper bar assembly 2, and provide convenience for installing and removing the copper bar assembly 2.

[0063] In one embodiment, referring to Figure 1 , Figure 5 and Figure 6, the terminal block assembly 3 includes a connection terminal 31, a cable 32, a shielding cover 33, and a tail clip 34; the first end of the connection terminal 31 is connected to one end of the cable 32, and the second end of the connection terminal 31 is connected to the busbar assembly 2; the shielding cover 33 is sleeved on the connection part of the cable 32 and the first end of the connection terminal 31; the tail clip 34 is sleeved on the cable 32, located on one side of the shielding cover 33, and is connected to the box body 11.

[0064] As an example, the terminal block assembly 3 includes a connection terminal 31, a cable 32, a shielding cover 33, and a tail clip 34; during installation, the first end of the connection terminal 31 is connected to one end of the cable 32, specifically using ultrasonic welding lap joint, which has low resistance, stable connector resistance after aging, and low temperature rise, solving the problems of increased resistance and high temperature rise caused by the release of crimping stress after aging in the past copper wire crimping; the second end of the connection terminal 31 is connected to the busbar assembly 2. Specifically, a first through hole is provided at the first end of the busbar body 22 of the busbar assembly 2, and a second through hole is provided at the second end of the connection terminal 31. A screw is passed through the first through hole and the second through hole to connect the busbar assembly 2 and the terminal block assembly 3; using screw connection, the contact resistance is small, the resistance is stable after aging, the current-carrying capacity is strong, and the temperature rise is low, solving the problems of unstable contact of the reed connection, increased resistance after aging, and high temperature rise. The shielding cover 33 is sleeved on the connection part of the cable 32 and the first end of the connection terminal 31, which can shield and protect the connection terminal 31; the tail clip 34 is sleeved on the cable 32, located on one side of the shielding cover 33, and is connected to the box body 11. Specifically, a clamping groove is provided on the box body 11 of the junction box 1, and the tail clip 34 is clamped in the clamping groove, which can ensure that the terminal block assembly 3 is firmly installed on the junction box 1 and is also convenient for the installation and disassembly of the terminal block assembly 3.

[0065] In one embodiment, referring to Figure 1 , Figure 5 and Figure 6 , the terminal block assembly 3 further includes a tail seal ring 35. The tail seal ring 35 is sleeved on the cable 32, located between the shielding cover 33 and the tail clip 34, and is in contact with the box body 11.

[0066] As an example, the terminal block assembly 3 further includes a tail seal ring 35. During installation, the tail seal ring 35 is sleeved on the cable 32, located between the shielding cover 33 and the tail clip 34, and is in contact with the box body 11, which can make the sealing between the cable 32 and the box body 11 better, realize the circumferential sealing at the shielding cover 33, so that the junction box 1 reaches the IPX7 protection level and can effectively protect the electronic components in the junction box 1. Among them, a third sealing groove is provided on the inner wall of the box body 11, and the tail seal ring 35 is installed in the third sealing groove, which can further improve the sealing performance.

[0067] The above-described embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included within the protection scope of the present invention.

Claims

1. A junction box, characterized in that: Including box body and rubber core; The first end of the box body is provided with a first accommodating groove for installing the copper busbar assembly; The second end of the box body is provided with a second accommodating groove for installing the wiring terminal assembly; The second accommodating groove is communicated with the first accommodating groove, and the rubber core is arranged at the connecting point of the first accommodating groove and the second accommodating groove, so that the wiring terminal assembly passes through the rubber core and is connected with the copper busbar assembly.

2. The junction box according to claim 1, characterized in that: The junction box also includes an end cover and a side cover; The end cover is mounted on the end surface of the first end of the box body and is used to connect with the copper busbar assembly; A side surface of the box body is provided with an observation port communicating with the first accommodation groove, and the observation port corresponds to the connection point between the copper bar assembly and the terminal assembly; The side cover is installed on one side surface of the box body and is used to cover the observation port.

3. The junction box according to claim 2, characterized in that: The junction box also includes a sheath, which is installed at the junction of the terminal assembly and the copper busbar assembly and contacts the side cover.

4. The junction box according to claim 2, characterized in that: The box body comprises a first body, a second body extending from a first end of the first body in an axial direction, and a fixing protrusion extending from a second end of the first body in a radial direction; The first containing groove is arranged in the first main body, the second containing groove is arranged in the second main body, and the observation port is arranged on a side surface of the first main body; The end cover is mounted on the fixing protrusion, and the side cover is mounted on the first body.

5. The junction box according to claim 2, characterized in that: The junction box also includes a first sealing member and a second sealing member; A first sealing groove is provided on the end surface of the first end of the box body, and the first sealing member is installed in the first sealing groove and contacts the end cover; A second sealing groove is provided on one side of the box body on which the observation port is provided. The second sealing member is installed in the second sealing groove and contacts the side cover.

6. A wiring assembly, characterized in that: It comprises a copper busbar assembly, a terminal assembly and a junction box according to any one of claims 1 to 5; The copper busbar assembly is installed in a first receiving groove at a first end of the box body, and the wiring terminal assembly is installed in a second receiving groove at a second end of the box body. The wiring terminal assembly passes through a rubber core and is connected to the copper busbar assembly.

7. The wiring assembly according to claim 6, characterized in that: The copper busbar assembly comprises a plastic-coated bracket and a copper busbar body; The first end of the copper busbar body is embedded in the plastic-coated bracket, and the second end of the copper busbar body protrudes from the plastic-coated bracket; One side surface of the first end of the copper busbar body is exposed to the outside and connected to the terminal assembly; The junction box comprises a box body and an end cover; The overmolded support is arranged in the first main body of the box body and connected to the end cover.

8. The wiring assembly according to claim 7, characterized in that: The plastic-coated bracket comprises a bracket body and a fixing plate extending radially from the periphery of one end of the bracket body; The bracket body is provided with an embedding position, and the first end of the copper busbar body is embedded in the embedding position; The bracket body is arranged in the first body, and the fixing plate is installed on the end cover.

9. The wiring assembly according to claim 6, characterized in that: The terminal block assembly includes a connecting terminal, a cable, a shielding cover and a tail clip; The first end of the connecting terminal is connected to one end of the cable, and the second end of the connecting terminal is connected to the copper busbar assembly; The shielding cover is sleeved on the joint between the cable and the first end of the connecting terminal; The tail clip is sleeved on the cable, located on one side of the shielding cover, and connected to the box body.

10. The wiring assembly according to claim 9, characterized in that: The terminal assembly also includes a tail sealing ring, which is sleeved on the cable, located between the shielding cover and the tail clip, and in contact with the box body.

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