Novel via hole type new energy shielding connector

Abstract

The utility model provides a novel via hole type new energy shielding connector, which comprises a shielding hoop sleeved on the outer side of a cable and a shell sleeved on the outer side of the shielding hoop, a polygonal hole is arranged in the shell, and a polygonal hoop formed by crimping and matched with the polygonal hole is arranged on the shielding hoop. According to the utility model, the polygonal hole is arranged in the shell and is matched with the polygonal hoop of the shielding hoop, so that the rotation stopping effect on the cable is achieved; according to the utility model, the shielding hoop with the circular cross section is crimped into a polygon in the crimping process, so that the shielding hoop can be conveniently matched with a polygonal hole in a shell, the structure is simple, and the production process is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile wiring harnesses, in particular to a novel through-hole type new energy shielded connector. Background Art

[0002] New energy vehicle motors vibrate severely and have relatively high requirements for connectors. Traditional plug-in structures are very likely to fail in this environment, especially under high current loads. Cases of ablation are emerging one after another, which poses a great challenge to connector reliability. At present, OEMs mostly use screw-on through-hole connectors on motors. Common through-hole connector cables cannot be stopped from rotating, and the cables are prone to axial movement. After the wiring harness factory assembles the wiring harness, the terminals rotate during transportation to the OEM. Workers need to adjust the terminals to the correct position when loading, which seriously affects assembly efficiency.

[0003] The Chinese invention patent application document with the publication date of 2024.03.26 and the publication number of CN 117767049 A discloses a through-hole connector, including a main body shell, the main body shell having a mounting hole for a cable to pass through, a connecting terminal being arranged at one end of the cable, a limiting assembly being arranged in the main body shell, the limiting assembly comprising an outer shielding ring sleeved on the outer side of the cable, the outer shielding ring comprising a main ring body, a plurality of first limiting protrusions protruding radially at one end of the main ring body, a plurality of second limiting protrusions protruding radially at the other end of the main ring body, one end of the second limiting protrusion being elastically connected to the main ring body; a circle of limiting steps being arranged in the mounting hole of the main body shell, a guide groove being arranged on the limiting step, the second limiting protrusion can pass through one end of the limiting step along the guide groove and the second limiting protrusion cannot pass through the limiting step from the other end, and the first limiting protrusion is used to abut against the outer side of the limiting step. However, the anti-rotation structure of the through-hole connector is relatively complex and the manufacturing process is relatively cumbersome. Summary of the invention

[0004] In view of the above-mentioned technical problems, the present invention proposes a novel through-hole new energy shielded connector, which is used to solve the problems in the prior art that the anti-rotation structure is relatively complex and the production process is relatively cumbersome.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A new through-hole new energy shielded connector includes a shielding hoop sleeved on the outside of a cable and a shell sleeved on the outside of the shielding hoop, a polygonal hole is provided in the shell, and a polygonal hoop is crimped and matched with the polygonal hole on the shielding hoop. The utility model achieves the effect of stopping the cable from rotating by providing a polygonal hole in the shell and matching with the polygonal hoop of the shielding hoop; the utility model crimps the shielding hoop with a circular cross section into a polygon during the crimping process, so as to facilitate the matching with the polygonal hole in the shell, which not only has a simple structure, but also simplifies the production process.

[0007] Furthermore, a stop platform cooperating with the polygonal hoop is provided in the polygonal hole, and a through hole for the cable to pass through is provided in the stop platform.

[0008] Furthermore, the shielding hoop comprises an inner shielding hoop and an outer shielding hoop tightly clamped on the outside of the cable, the outer shielding hoop comprises an outer hoop body sleeved on the outside of the inner shielding hoop, the outer hoop body and the inner shielding hoop are cylindrical and are formed into the polygonal hoop by crimping.

[0009] Furthermore, a shielding wire is provided between the outer hoop body and the inner shielding hoop.

[0010] Furthermore, the outer shielding hoop also includes a hanging ring coaxially connected to the outer hoop body, the hanging ring is provided with a hanging groove, and the outer shell is provided with a hanging cantilever that can be inserted into the hanging groove.

[0011] Furthermore, a shielding layer is sleeved on the outer side of the cable, and the shielding layer is provided with an elastic wing structure, and the elastic wing structure is in elastic contact with the side wall of the hanging ring.

[0012] Furthermore, the shielding layer is also provided with clamping wings, and the shell is provided with shielding layer clamping holes for the clamping wings to be inserted and clamped.

[0013] Furthermore, a sealing ring is sleeved on the outer side of one end of the shell close to the shielding layer, and a baffle is provided between the sealing ring and the shielding layer for blocking the sealing ring and supporting the shielding layer.

[0014] Furthermore, the shielding layer is provided with a shielding layer contact block which is turned outward and fits the side of the baffle and is used for contacting the device end and then grounding.

[0015] Furthermore, a tail card is clamped on one end of the shell away from the shielding layer, and a sealing plug is provided between the shell and the tail card.

[0016] Beneficial effects of the utility model:

[0017] 1. The utility model achieves the function of stopping the cable from rotating by setting a polygonal hole in the housing and cooperating with the polygonal hoop of the shielding hoop;

[0018] 2. The utility model is connected with the shielding hoop through the shell to prevent the cable from axial movement;

[0019] 3. In the process of crimping the outer shielding hoop and the inner shielding hoop with circular cross-section, the utility model crimps the shielding hoop into a hexagonal shape, which is convenient for cooperating with the hexagonal structure inside the shell to prevent the cable from rotating; and after crimping, the shielding wire and the shielding hoop are fixed into a whole to achieve conduction;

[0020] 4. The utility model prevents the shielding hoop from exiting the housing by arranging a stopper in the housing to block the outer shielding hoop and the inner shielding hoop after crimping;

[0021] 5. The utility model forms a grounding path by arranging a spring-wing structure on the shielding layer to form elastic contact with the outer shielding hoop, and arranging a shielding layer contact block on the shielding layer to contact with the equipment end. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the explosion of the structure of the utility model;

[0024] Figure 2 It is an assembly cross-sectional view of the utility model;

[0025] Figure 3 It is a schematic diagram of the structure of the housing of the utility model;

[0026] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure of AA;

[0027] Figure 5 It is a structural schematic diagram of the outer shielding hoop of the utility model;

[0028] Figure 6 It is a schematic diagram of the structure of the shielding hoop after crimping of the utility model;

[0029] Figure 7 It is a schematic structural diagram of the shielding layer of the utility model.

[0030] In the figure: 1-terminal; 2-external shielding hoop; 3-shielding layer; 3.1-shielding layer contact block; 3.2-elastic wing structure; 3.3-inserted wing structure; 4-baffle; 5-sealing ring; 6-housing; 6.1-polygonal hole; 6.2-shielding layer clamping hole; 6.3-hanging cantilever; 6.4-stop platform; 7-sealing plug; 8-tail card; 9-inner shielding hoop; 10-cable; 11-shielding wire. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] like Figure 1 to Figure 7 As shown, a new through-hole new energy shielded connector described in Example 1 of the utility model includes a shielding hoop sleeved on the outside of the cable 10 and a shell 6 sleeved on the outside of the shielding hoop, a polygonal hole 6.1 is provided in the shell 6, and a polygonal hoop formed by crimping and matching the polygonal hole is provided on the shielding hoop. Among them, the cross-section of the shielding hoop perpendicular to the axial direction of the cable 10 is a circular ring, and the polygonal hoop is formed by crimping. The cable 10 is inserted into the polygonal hoop and is tightly connected with the polygonal hoop, and the polygonal hoop is inserted into the polygonal hole 6.1 in the shell 6, which plays a role in stopping the cable 10 from rotating. In this embodiment, the polygonal hole 6.1 and the polygonal hoop are both hexagonal structures.

[0033] Furthermore, if Figure 1 , Figure 2 and Figure 5 As shown, the shielding hoop comprises an inner shielding hoop 9 and an outer shielding hoop 2 which are tightly clamped on the outside of the cable 10. The inner shielding hoop 9 is tightly clamped on the outside of the cable 10. The outer shielding hoop 2 comprises an outer hoop body 2.2 which is sleeved on the outside of the inner shielding hoop 9. Initially, the outer hoop body 2.2 and the inner shielding hoop 9 are both cylindrical, and the outer hoop body 2.2 and the inner shielding hoop 9 are simultaneously crimped into the polygonal hoop during the crimping process.

[0034] In addition, initially, a plurality of shielding wires 11 are arranged between the outer hoop body 2.2 and the inner shielding hoop 9, and the plurality of shielding wires 11 are evenly distributed in an annular manner between the cylindrical outer hoop body 2.2 and the inner shielding hoop 9. Figure 6 As shown, after the outer ferrule body 2.2 is crimped with the inner shielding ferrule 9, a plurality of shielding wires 11 are arranged in a hexagonal shape.

[0035] Embodiment 2 is different from Embodiment 1 in that Figure 3 and Figure 4As shown, a stopper 6.4 is provided in the polygonal hole 6.1 to cooperate with the polygonal hoop, and a through hole is provided in the stopper 6.4 for the cable 10 to pass through. The stopper 6.4 is an annular structure, the outer side of the annular structure is hexagonal and the inner side is circular. The stopper 6.4 is arranged at one end of the polygonal hole 6.1, and the stopper 6.4 abuts and cooperates with the end of the polygonal hoop.

[0036] Embodiment 3 is different from Embodiment 1 in that Figure 5 As shown, the outer shielding hoop 2 also includes a hanging ring 2.1 coaxially connected to the outer hoop body 2.2, the diameter of the hanging ring 2.1 is larger than the outer hoop body 2.2, and the hanging ring 2.1 and the outer hoop body 2.2 are connected by a radial connecting ring. The hanging ring 2.1 is provided with a hanging groove 2.11 at one end away from the outer hoop body 2.2, and the outer shell 6 is provided with a hanging cantilever 6.3 that can be inserted into the hanging groove 2.11, and the end of the hanging cantilever 6.3 is provided with a protrusion that abuts against the bottom of the hanging groove 2.11 to prevent it from falling off. The mutual hanging of the hanging cantilever 6.3 and the hanging groove 2.11 can prevent the cable from moving forward.

[0037] Embodiment 4 is different from Embodiment 1 in that Figure 1 and Figure 2 As shown, the outer side of the cable 10 is also provided with a shielding layer 3. Figure 7 As shown, the shielding layer 3 is provided with an annularly evenly distributed elastic wing structure 3.2, the elastic wing structure 3.2 extends toward the outer shielding hoop 2, and the elastic wing structure 3.2 elastically contacts the side wall of the hanging ring 2.1. In this embodiment, the annularly evenly distributed elastic wing structure 3.2 elastically contacts the outer side wall of the hanging ring 2.1. In another embodiment, the elastic wing structure 3.2 may elastically contact the inner side wall of the hanging ring 2.1.

[0038] Embodiment 5 is different from Embodiment 4 in that Figure 7 As shown, the shielding layer 3 is further provided with a clamping wing 3.3 extending toward the housing 6, and the housing 6 is provided with a shielding layer clamping hole 6.2 for the clamping wing 3.3 to be inserted. The clamping wing 3.3 is clamped with the shielding layer clamping hole 6.2 on the housing 6.

[0039] Embodiment 6 is different from Embodiment 4 in that a sealing ring 5 is sleeved on the outer side of one end of the shell 6 close to the shielding layer 3. Specifically, an axially extending first cylinder is provided at one end of the shell 6 close to the shielding layer 3, and the hanging cantilever 6.3 is located in the first cylinder. A sealing ring 5 is sleeved on the outer side of the first cylinder. A baffle 4 is provided between the sealing ring 5 and the shielding layer 3, that is, the baffle 4 abuts against the end of the first cylinder and blocks the sealing ring 5. At the same time, the baffle 4 is located between the end of the first cylinder and the shielding layer 3 and also has the function of supporting the shielding layer 3.

[0040] Furthermore, the shielding layer 3 is provided with a shielding layer contact block 3.1 folded outward. In this embodiment, a plurality of shielding layer contact blocks 3.1 are provided, and the plurality of shielding layer contact blocks 3.1 extend almost radially outward. The shielding layer contact block 3.1 fits the side of the baffle 4, and after the connector is connected to the device end, the shielding layer contact block 3.1 is used to contact the device end and then be grounded, thereby playing a shielding role.

[0041] Embodiment 6 is different from Embodiment 4 in that Figure 1 and Figure 2 As shown, a tail card 8 is clamped at one end of the shell 6 away from the shielding layer 3. A sealing plug 7 is provided between the shell 6 and the tail card 8.

[0042] Specifically, the end of the shell 6 away from the shielding layer 3 is provided with an axially extending second cylinder, the sealing plug 7 is arranged in the second cylinder, and the end of the second cylinder is provided with the tail card 8, which is sleeved on the cable 10 and pressed against the sealing plug 7.

[0043] In addition, an axially extending hanging block is provided on the outside of the tail card 8, a hanging groove is provided on the hanging block, and a hanging wing is provided on the outer shell 6 to be hung with the hanging groove, and the hanging wing is located on the outside of the second cylinder. A boss is provided on the outside of the hanging wing, so that after the hanging wing is inserted into the inside of the hanging block, the boss enters the hanging groove and abuts against the bottom of the hanging groove to play a hanging role.

[0044] In addition, the end of the cable 10 is ultrasonically welded with the terminal 1 .

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that any modification to the technical solutions described in the aforementioned embodiments, or any equivalent replacement of some or all of the technical features therein, within the spirit and principles of the present invention, and such modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and should all be included in the protection scope of the present invention.

Claims

1. A new through-hole new energy shielded connector, characterized in that: It comprises a shielding hoop sleeved on the outside of a cable (10) and a shell (6) sleeved on the outside of the shielding hoop, wherein a polygonal hole (6.1) is provided in the shell (6), and a polygonal hoop which is crimped and matched with the polygonal hole is provided on the shielding hoop.

2. The novel through-hole new energy shielded connector according to claim 1 is characterized in that: A stop platform (6.4) that cooperates with the polygonal hoop for stopping is provided in the polygonal hole (6.1), and a through hole for the cable (10) to pass through is provided in the stop platform (6.4).

3. The novel through-hole new energy shielded connector according to claim 1 or 2 is characterized in that: The shielding hoop comprises an inner shielding hoop (9) and an outer shielding hoop (2) which are tightly clamped on the outside of the cable (10); the outer shielding hoop (2) comprises an outer hoop body (2.2) which is sleeved on the outside of the inner shielding hoop (9); the outer hoop body (2.2) and the inner shielding hoop (9) are cylindrical and are formed into the polygonal hoop by crimping.

4. The novel through-hole new energy shielded connector according to claim 3 is characterized in that: A shielding wire (11) is provided between the outer hoop body (2.2) and the inner shielding hoop (9).

5. The novel through-hole new energy shielded connector according to claim 3 is characterized in that: The outer shielding hoop (2) further comprises a hanging ring (2.1) coaxially connected to the outer hoop body (2.2); a hanging groove (2.11) is provided on the hanging ring (2.1); and a hanging cantilever (6.3) which can be inserted into the hanging groove (2.11) is provided on the outer shell (6).

6. The novel through-hole new energy shielded connector according to claim 5 is characterized in that: The outer side of the cable (10) is also provided with a shielding layer (3), the shielding layer (3) is provided with an elastic wing structure (3.2), and the elastic wing structure (3.2) is in elastic contact with the side wall of the hanging ring (2.1).

7. The novel through-hole new energy shielded connector according to claim 6 is characterized in that: The shielding layer (3) is also provided with a clamping wing (3.3), and the outer shell (6) is provided with a shielding layer clamping hole (6.2) for the clamping wing (3.3) to be inserted and clamped.

8. The novel through-hole new energy shielded connector according to claim 7 is characterized in that: A sealing ring (5) is sleeved on the outer side of one end of the housing (6) close to the shielding layer (3), and a baffle (4) is provided between the sealing ring (5) and the shielding layer (3) for blocking the sealing ring (5) and supporting the shielding layer (3).

9. The novel through-hole new energy shielded connector according to claim 8 is characterized in that: The shielding layer (3) is provided with a shielding layer contact block (3.1) which is turned outward and fits against the side of the baffle (4) and is used for contacting the equipment end and then grounding.

10. The novel through-hole new energy shielded connector according to any one of claims 5 to 9, characterized in that: One end of the shell (6) away from the shielding layer (3) is clamped with a tail clamp (8), and a sealing plug (7) is provided between the shell (6) and the tail clamp (8).

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