Junction box

Abstract

The utility model discloses a junction box which comprises an anode junction main body and a cathode junction main body, one side of the anode junction main body in the width direction is fixedly connected with one side of the cathode junction main body in the width direction, and an anode junction assembly used for anode cable junction is arranged in the anode junction main body. And a negative electrode branching assembly for branching a negative electrode cable is arranged in the negative electrode main body. According to the technical scheme, the junction box is convenient to maintain.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile parts, in particular to a distribution box. BACKGROUND

[0002] The distribution box is a device for converting a single power supply into multiple power supply branches for output. With the popularization of automobile intelligence, the power distribution of the whole vehicle is becoming more and more complex, and the emergence of redundant power supplies has also led to an increasing variety of distribution boxes for the power supply of the whole vehicle.

[0003] In the existing distribution box, a distribution main body is generally included, a positive distribution assembly and a negative distribution assembly are arranged in the distribution main body, and then the positive distribution assembly and the negative distribution assembly are arranged separately by a shielding layer. However, with the passage of time, the distribution box may gradually age and fail due to environmental influences (such as temperature changes, humidity changes, mechanical vibrations, etc.), which may reduce the safety performance of the distribution box. Moreover, the positive cable and the negative cable are adjacent to each other, which is not conducive to the maintenance of the distribution box. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the present application is to provide a distribution box, which aims to improve the problem that in the existing distribution box, a positive distribution assembly and a negative distribution assembly are arranged in a distribution main body, so that the positive cable and the negative cable are adjacent to each other, which is not conducive to the maintenance of the distribution box.

[0005] To achieve the above-mentioned purpose, the distribution box provided by the present application includes a positive distribution main body and a negative distribution main body, one side of the positive distribution main body in its width direction is fixedly connected with one side of the negative distribution main body in its width direction, the positive distribution main body is internally provided with a positive distribution assembly for the distribution of a positive cable, and the negative main body is internally provided with a negative distribution assembly for the distribution of a negative cable.

[0006] In some embodiments of the present application, one side of the positive distribution main body in its width direction is provided with a mounting portion, one side of the negative distribution main body in its width direction is provided with a matching portion, and the matching portion is detachably mounted on the mounting portion.

[0007] In some embodiments of the present application, the mounting portion includes a positioning recess, the matching portion includes a positioning protrusion, and the positioning protrusion is insertedly matched with the positioning recess.

[0008] In some embodiments of the present application, the mounting portion includes two flanges, the two flanges are respectively protruded on both sides of the positive distribution main body in its thickness direction, so as to form the positioning recess in the middle of the positive distribution main body in its thickness direction.

[0009] In some embodiments of the present application, the flange is provided with a mounting hole, and a screw structure is screwed with the positioning protrusion through the mounting hole.

[0010] In some embodiments of the present application, the positive electrode branch main body comprises a positive electrode base and a cover, the positive electrode base is provided with a mounting slot, and the positive electrode base is provided with a positive electrode wire inlet hole and a positive electrode wire outlet hole on both sides in the length direction thereof and communicated with the mounting slot, and the cover is detachably connected with the positive electrode base and covers the mounting slot to form a sealingly arranged mounting cavity.

[0011] The positive electrode branch assembly comprises at least two fuses, and each of the fuses is detachably mounted in the mounting slot.

[0012] In some embodiments of the present application, a sealing ring is further arranged between the positive electrode base and the cover.

[0013] In some embodiments of the present application, the cavity wall of the mounting cavity is further provided with a positive electrode plastic inner container.

[0014] In some embodiments of the present application, the negative electrode branch main body comprises a negative electrode base and two end covers, the negative electrode base is provided with a receiving slot penetrating through in the length direction thereof, and the two end covers are connected with the slot openings of the receiving slot respectively to form a sealingly arranged receiving cavity, one of the end covers is provided with a negative electrode wire inlet hole, and the other end cover is provided with a negative electrode wire outlet hole.

[0015] In some embodiments of the present application, the negative electrode branch assembly comprises a shielding shell and a negative electrode plastic inner container, the shielding shell is arranged on the cavity wall of the receiving cavity, and the plastic inner container is arranged in the shielding shell.

[0016] The branch box provided by the embodiments of the present application has the positive electrode branch assembly for positive electrode cable branching and the negative electrode branch assembly for negative electrode cable branching arranged in the positive electrode branch main body and the negative electrode branch main body respectively through the above structure, and the positive electrode branch main body and the negative electrode branch main body are two independent main bodies fixedly connected together, so that the positive electrode branch main body or the negative electrode branch main body can be independently maintained if the positive electrode branch main body or the negative electrode branch main body is locally aged or fails, and the normal part is not disturbed, which is convenient for maintaining the branch box. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings shown.

[0018] Figure 1 Structure diagram of an embodiment of the distribution box of the application;

[0019] Figure 2 Structure diagram of an embodiment of the distribution box of the application; Figure 1 Structure diagram of an embodiment of the distribution box of the application;

[0020] Figure 3 Structure diagram of an embodiment of the distribution box of the application; Figure 2 Structure diagram of an embodiment of the distribution box of the application;

[0021] Figure 4 Structure diagram of an embodiment of the distribution box of the application; Figure 2 Structure diagram of an embodiment of the distribution box of the application.

[0022] Brief Description of the Drawings:

[0023] 100, distribution box; 10, positive distribution body; 11, positive distribution assembly; 111, fuse; 112, positive plastic liner; 113, sealing block; 12, positive base; 121, mounting portion; 1212, flange; 1213, mounting hole; 1214, connecting hole; 122, mounting groove; 1221, positive wire inlet hole; 1222, positive wire outlet hole; 13, cover body; 14, sealing ring; 20, negative distribution body; 21, negative distribution assembly; 211, shielding shell; 212, negative plastic liner; 22, negative base; 221, matching portion; 2211, positioning convex portion; 222, containing groove; 23, end cover; 231, negative wire inlet hole; 232, negative wire outlet hole.

[0024] The implementation, functional features and advantages of the application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the application.

[0026] In the application, unless otherwise explicitly specified and limited, the terms “connection”, “fixation” and the like should be understood in a broad sense, for example, “fixation” can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be internal connection of two elements or interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meanings of the above terms in the application can be understood according to the specific circumstances.

[0027] In addition, the descriptions such as “first”, “second” and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as “first”, “second” can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0028] The embodiment of the present application provides a distribution box 100 for converting a single power supply into multiple power supply branches for output. Specifically, the distribution box 100 can be applied to a vehicle to realize one-to-many power distribution of a high-voltage interface, meet the power supply needs of multiple electrical equipment, and solve the problem of insufficient high-voltage wiring harness of vehicle electrical equipment.

[0029] Please refer to Figures 1 to 4 In the distribution box 100 provided by the embodiment of the present application, the distribution box 100 includes a positive distribution main body 10 and a negative distribution main body 20, one side of the positive distribution main body 10 in the width direction is fixedly connected with one side of the negative distribution main body 20 in the width direction, the positive distribution main body 10 is internally provided with a positive distribution assembly 11 for positive cable distribution, and the negative main body is internally provided with a negative distribution assembly 21 for negative cable distribution.

[0030] There are many ways to fix the positive distribution main body 10 and the negative distribution main body 20, in some examples, the positive distribution main body 10 can be fixedly connected with the negative distribution main body 20 through a detachable fixed connection mode, for example: clamping, threaded connection and the like, in some other examples, the positive distribution main body 10 can be fixedly connected with the negative distribution main body 20 through a non-detachable fixed connection mode, for example: bonding, welding and the like.

[0031] It should be emphasized that a single power supply usually includes a positive cable and a negative cable. When the distribution box 100 provided by the embodiment of the present application converts a single power supply into multiple power supply branches, the positive cable is inserted into the positive distribution main body 10 and electrically connected with the input end of the positive distribution assembly 11, and then multiple cables are inserted into the positive distribution main body 10 and electrically connected with the output end of the positive distribution assembly 11, forming multiple positive branch cables. Similarly, the negative cable is inserted into the negative distribution main body 20 and electrically connected with the input end of the negative distribution assembly 21, and then multiple cables are inserted into the negative distribution main body 20 and electrically connected with the output end of the negative distribution assembly 21, forming multiple negative branch cables. The multiple negative branch cables and the multiple positive branch cables are one-to-one correspondingly arranged to form multiple power supply branches.

[0032] The line distribution box 100 provided by the embodiment of the application has the positive line distribution assembly 11 for distributing the positive line cable and the negative line distribution assembly 21 for distributing the negative line cable, which are respectively arranged in the positive line distribution body 10 and the negative line distribution body 20. The positive line distribution body 10 and the negative line distribution body 20 are two independent bodies which are fixedly connected together. If the positive line distribution body 10 or the negative line distribution body 20 of the line distribution box 100 is partially aged or fails, the positive line distribution body 10 or the negative line distribution body 20 can be independently maintained, without interfering with the normal part, which facilitates the maintenance of the line distribution box 100.

[0033] In some examples, as shown in Figure 1 and Figure 2 the positive line distribution body 10 is provided with a mounting portion 121 on one side in the width direction thereof, and the negative line distribution body 20 is provided with a matching portion 221 on one side in the width direction thereof, and the matching portion 221 is detachably mounted on the mounting portion 121.

[0034] In this way, if the positive line distribution body 10 or the negative line distribution body 20 is aged or fails and cannot be restored by maintenance, the positive line distribution body 10 or the negative line distribution body 20 can be directly replaced, while the part with normal function is reserved, so as to reduce the cost of vehicle maintenance.

[0035] In some examples, as shown in Figures 1 to 4 the mounting portion 121 comprises a positioning recess, and the matching portion 221 comprises a positioning protrusion 2211 which is insertedly matched with the positioning recess. In this way, the mounting portion 121 and the matching portion 221 are quickly positioned by the inserted matching of the positioning protrusion 2211 and the positioning recess, so as to facilitate the assembly of the positive line distribution body 10 and the negative line distribution body 20.

[0036] In some examples, as shown in Figures 1 to 3 the mounting portion 121 comprises two flanges 1212 which are respectively provided on both sides of the positive line distribution body 10 in the thickness direction thereof, so as to form the positioning recess in the middle of the positive line distribution body 10 in the thickness direction thereof.

[0037] In this way, the mounting portion 121 and the matching portion 221 are quickly positioned by the inserted matching of the positioning protrusion 2211 and the positioning recess, and the two flanges 1212 are used to limit the movement of the positioning protrusion 2211 along the thickness direction of the positive line distribution body 10, so as to improve the stability of the connection relationship between the positive line distribution body 10 and the negative line distribution body 20.

[0038] In other examples, the mounting portion 121 comprises a plurality of semispherical protrusions, and the matching portion 221 comprises a plurality of semispherical recesses, and the plurality of protrusions and the plurality of recesses are embedded with each other.

[0039] In some examples, as shown in Figures 1 to 4 The flange 1212 is provided with a mounting hole 1213, and a screw structure is screwed with the positioning protrusion 2211 through the mounting hole 1213. In this way, the positive pole branch body 10 and the negative pole branch body 20 are assembled together, and the reliability of the connection is improved.

[0040] In some examples, the flange 1212 also extends along the circumference of the positive pole base 12 and is provided with a connecting hole 1214 for mounting and fixing of the branch box 100.

[0041] In some examples, as shown in Figure 3 The positive pole branch body 10 includes a positive pole base 12 and a cover 13. The positive pole base 12 is provided with a mounting groove 122, and the two sides of the positive pole base 12 in the length direction are respectively provided with a positive pole incoming wire hole 1221 and a positive pole outgoing wire hole 1222 which are in communication with the mounting groove 122. The cover 13 is detachably connected with the positive pole base 12 and covers the mounting groove 122 to form a sealingly arranged mounting cavity. The positive pole branch assembly 11 includes at least two fuses 111, and each fuse 111 is detachably mounted in the mounting groove 122.

[0042] It should be emphasized that the input ends of the plurality of fuses 111 are usually arranged in parallel. The positive pole cable of a single power supply enters the mounting groove 122 through the positive pole incoming wire hole 1221 and is electrically connected with the input end of the fuse 111. The plurality of cables enter the mounting groove 122 through the positive pole outgoing wire hole 1222 and are respectively electrically connected with the output ends of the plurality of fuses 111.

[0043] In this way, if the power supply line is overloaded and the fuse 111 is blown, the fuse 111 can be replaced by detaching the cover 13.

[0044] The cover 13 can be detachably fixedly connected with the positive pole base 12 by a screw structure.

[0045] In some examples, as shown in Figure 3 A sealing ring 14 is further arranged between the positive pole base 12 and the cover 13. In this way, the sealing performance of the mounting cavity is improved.

[0046] In some examples, as shown in Figure 3 The cavity wall of the mounting cavity is further provided with a positive pole plastic inner container 112. In this way, the insulation performance of the branch box 100 is improved.

[0047] In some examples, as shown in Figure 4As shown, the negative pole branch main body 20 includes a negative pole base 22 and two end covers 23. The negative pole base 22 is provided with an accommodating groove 222 along its length direction, and the two end covers 23 are respectively connected with the grooves of the accommodating groove 222 to form a sealed accommodating cavity. One end cover 23 is provided with a negative pole wire inlet hole 231, and the other end cover 23 is provided with a negative pole wire outlet hole 232. In this way, the connection between the negative pole branch main body 20 and the cable is facilitated.

[0048] In some examples, among the two end covers 23, one end cover 23 is integrally arranged with the negative pole base 22, and the other end cover 23 is detachably connected with the negative pole base.

[0049] In some examples, as Figure 4 As shown, the negative pole branch assembly 21 includes a shielding shell 211 and a negative pole plastic inner container 212. The shielding shell 211 is arranged on the cavity wall of the accommodating cavity, and the plastic inner container is arranged in the shielding shell 211. The sealing property and safety are improved.

[0050] It should be noted that the materials of the negative pole base 22 and the two end covers 23 mentioned above are also plastic materials.

[0051] In some examples, a sealing block 113 can also be sleeved on the cable to seal and abut against the positive pole wire inlet hole 1221, the positive pole wire outlet hole 1222, the negative pole wire inlet hole 231, and the negative pole wire outlet hole 232 mentioned above, further improving the sealing performance of the branch box 100.

[0052] The above description is only an optional embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation made according to the content of the present application specification and drawings, or direct / indirect application in other related technical fields under the inventive concept of the present application is included in the patent protection scope of the present application.

Claims

1. A junction box characterized by, The junction box comprises a positive junction main body and a negative junction main body, one side of the positive junction main body in its width direction is fixedly connected with one side of the negative junction main body in its width direction, the positive junction main body is internally provided with a positive junction assembly for positive cable junction, and the negative main body is internally provided with a negative junction assembly for negative cable junction.

2. The junction box of claim 1, wherein, One side of the positive junction main body in its width direction is provided with a mounting portion, one side of the negative junction main body in its width direction is provided with a matching portion, and the matching portion is detachably mounted on the mounting portion.

3. The junction box of claim 2, wherein, The mounting portion comprises a positioning recess, the matching portion comprises a positioning protrusion, and the positioning protrusion is insertedly matched with the positioning recess.

4. The junction box of claim 3, wherein, The mounting portion comprises two flanges, the two flanges are respectively protruded on two sides of the positive junction main body in its thickness direction, so as to form the positioning recess in the middle of the positive junction main body in its thickness direction.

5. The junction box of claim 4, wherein, The flange is provided with a mounting hole, and a screw structure is threadedly connected with the positioning protrusion through the mounting hole.

6. The junction box of claim 1, wherein, The positive junction main body comprises a positive base and a cover, the positive base is provided with a mounting groove, two sides of the positive base in its length direction are respectively provided with a positive wire inlet hole and a positive wire outlet hole which are communicated with the mounting groove, the cover is detachably connected with the positive base and covers the mounting groove, so as to form a sealingly arranged mounting cavity. The positive junction assembly comprises at least two fuses, each of the fuses is detachably mounted in the mounting groove.

7. The junction box of claim 6, wherein, A sealing ring is further arranged between the positive base and the cover.

8. The junction box of claim 6, wherein, The cavity wall of the mounting cavity is further provided with a positive plastic liner.

9. The junction box of claim 1, wherein, The negative junction main body comprises a negative base and two end covers, the negative base is provided with an accommodating groove penetrating along its length direction, and the two end covers are respectively connected with the slot opening of the accommodating groove, so as to form a sealingly arranged accommodating cavity, one of the end covers is provided with a negative wire inlet hole, and the other end cover is provided with a negative wire outlet hole.

10. The junction box of claim 9, wherein, The negative junction assembly comprises a shielding shell and a negative plastic liner, the shielding shell is arranged on the cavity wall of the accommodating cavity, and the plastic liner is arranged in the shielding shell.

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