Shield connection element and high voltage connector

Abstract

To provide a high-voltage cable connector with improved electromagnetic shielding effect.SOLUTION: A shield connection member 21 includes a body portion having opposed first and second surfaces and attached to an inner housing 10, a first elastic arm connected to the body portion and protruding outward from the first surface of the body portion, and a second elastic arm connected to the body portion and projecting outwardly from the second surface of the body portion. The first elastic arm and the second elastic arm are suitable for making electrical contact respectively with two cable shield sleeves 22 mounted on the inner housing. The two cable shield sleeves are electrically connected by the elastic arm of the shield connection member to improve the electromagnetic shielding effect of a high voltage connector.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] Cross-reference to Related Applications This application claims priority to Chinese Patent Application No. CN202123403246.8, filed with the China National Intellectual Property Administration on December 30, 2021. The entire disclosure thereof is incorporated herein by reference.

[0002] The present invention relates to a shield connection member for a high-voltage connector and a high-voltage connector including the shield connection member.

Background Art

[0003] In the prior art, a high-voltage cable connector generally includes an inner housing, an outer housing, a shield shell, a cable, and a cable shield sleeve. The shield shell is sheathed on the inner housing, the outer housing is sheathed on the shield shell, one end of the shield sleeve is sheathed on the plug portion of the inner housing, and the other end is crimped to the shield layer of the cable. A plurality of spring pieces are formed on the peripheral wall of one end of the shield shell, and the plurality of spring pieces are in electrical contact with the outer wall of one end of the cable shield sleeve.

[0004] However, when a high-voltage cable connector has two cables and two cable shield sleeves, the opposing side walls of the two cable shield sleeves cannot be in electrical contact with the spring pieces of the shield shell, reducing the electromagnetic shielding effect of the high-voltage cable connector. [[ID=2�]]

Summary of the Invention

Problems to be Solved by the Invention

[0005] The present disclosure is made to overcome or mitigate at least one aspect of the above disadvantages.

Means for Solving the Problems

[0006] According to an aspect of the present invention, a shielding connector for a high-voltage connector is provided. The shielding connector comprises a main body having a first and second surface facing opposite directions and mounted on an inner housing; a first elastic arm connected to the main body and projecting outward from the first surface of the main body; and a second elastic arm connected to the main body and projecting outward from the second surface of the main body. The first and second elastic arms are suitable for electrically contacting two cable shield sleeves mounted on the inner housing, respectively.

[0007] According to an exemplary embodiment of the present invention, the first elastic arm is an arch bridge elastic arm formed on one side of the main body, with both ends of the first elastic arm connected to the main body, and / or the second elastic arm is an arch bridge elastic arm formed on the other side of the main body, with both ends of the second elastic arm connected to the main body.

[0008] According to another exemplary embodiment of the present invention, the main body has a fixed end configured to be inserted into a slot formed in the inner housing, and elastic locking pieces are formed on each of the two sides of the fixed end of the main body, and the elastic locking pieces are configured to be fastened into a slot hole formed in the inner housing to lock the shield connecting member to the inner housing.

[0009] According to another exemplary embodiment of the present invention, an elastic locking piece on one side of the main body extends obliquely outward from a first surface of the main body, and / or an elastic locking piece on the other side of the main body extends obliquely outward from a second surface of the main body.

[0010] According to another exemplary embodiment of the present invention, the shield connecting member is a one-piece punched part formed by punching out a single sheet of material.

[0011] According to another aspect of the present invention, a high-voltage connector is provided, comprising an inner housing, a shield shell disposed outside the inner housing and having a first port and a second port facing opposite directions, and the shield connecting member mounted on the inner housing.

[0012] According to an exemplary embodiment of the present invention, the high-voltage connector further comprises two cable shield sleeves used for electrically connecting to the shield layers of two cables, a portion of a shield connecting member positioned between the two cable shield sleeves, with a first elastic arm and a second elastic arm of the shield connecting member contacting the two cable shield sleeves, respectively, to electrically connect the two cable shield sleeves.

[0013] According to another exemplary embodiment of the present invention, a plurality of first spring pieces projecting inward toward the first port are formed on the peripheral wall of the first port of the shield shell, one end of two cable shield sleeves is housed in the first port of the shield shell, and the plurality of first spring pieces are in electrical contact with the outer walls of the two cable shield sleeves.

[0014] According to another exemplary embodiment of the present invention, the other end of the cable shield sleeve is crimped to the shield layer of the cable, thereby electrically connecting the shield layer of the cable to the shield shell via the cable shield sleeve.

[0015] According to another exemplary embodiment of the present invention, one end of the cable shield sleeve is fitted into the plug portion of the inner housing, and the shield shell is fitted into the inner housing and one end of the cable shield sleeve.

[0016] According to another exemplary embodiment of the present invention, a plurality of second spring pieces projecting inward toward the second port are formed on the peripheral wall of the second port of the shield shell, and the plurality of second spring pieces are configured to electrically contact the outer wall of the mating shield shell into which the second port of the shield shell is inserted.

[0017] According to another exemplary embodiment of the present invention, the high-voltage connector further comprises two cables, one end of each cable extending into an inner housing through two cable shield sleeves, respectively, the cable shield sleeves being crimped to the shield layer of the cables.

[0018] According to another exemplary embodiment of the present invention, the high-voltage connector further comprises a shielding connector, a cable shielding sleeve, a shielding shell, and an outer housing that receives an inner housing.

[0019] According to another exemplary embodiment of the present invention, the high-voltage connector further comprises a terminal located in an inner housing, one end of which is electrically connected to a cable extending into the inner housing, and the other end of which is used to mate with a mating terminal of a mating high-voltage connector.

[0020] According to another exemplary embodiment of the present invention, the inner housing has two plug portions, a gap formed between the two plug portions, a shielding connector is inserted into the gap in the inner housing, one end of two cable shield sleeves is fitted into the two plug portions, and the shielding connector is sandwiched between the side walls of the two cable shield sleeves.

[0021] According to another exemplary embodiment of the present invention, a convex rib is formed on the outer wall of the plug portion opposite to the shield connector member, and the convex rib abuts against the inner wall of the cable shield sleeve, thereby shifting the cable shield sleeve by a predetermined distance toward the side away from the shield connector member, preventing the cable shield sleeve from colliding with the end head of the shield connector member during installation.

[0022] According to another exemplary embodiment of the present invention, a slot is formed at the bottom of the gap of the inner housing, the fixed end portion of the shield connection member is inserted into the slot, and the first elastic arm and the second elastic arm of the shield connection member are accommodated in the gap and are electrically contacted with two cable shield sleeves respectively.

[0023] According to another exemplary embodiment of the present invention, a slot hole for fitting with an elastic locking piece of the shield connection member is also formed in the inner housing, and the elastic locking piece of the shield connection member is locked in the slot hole.

[0024] In the above exemplary embodiment according to the present invention, by electrically connecting the opposing side walls of the two cable shield sleeves to each other through the elastic arms of the shield connection member, the electromagnetic shielding effect of the high voltage connector can be improved.

[0025] The above and other features of the present invention will become more apparent by describing the exemplary embodiments in detail while referring to the accompanying drawings.

Brief Description of the Drawings

[0026] [Figure 1] It is an exploded view of a high voltage connector according to an exemplary embodiment of the present invention. [Figure 2] It is an assembled view of an electromagnetic shield assembly and an inner housing according to an exemplary embodiment of the present invention. [Figure 3] It is an assembled view of a shield connection member, a cable shield sleeve, and an inner housing according to an exemplary embodiment of the present invention. [Figure 4] It is an exploded view of a shield connector, a cable shield sleeve, and an inner housing according to an exemplary embodiment of the present invention. [Figure 5] It is a perspective view of a shield connection member according to an exemplary embodiment of the present invention. [Figure 6]This is an explanatory assembly drawing of a shield connecting member and an inner housing according to an exemplary embodiment of the present invention. [Figure 7] Figure 3 shows a longitudinal cross-sectional view of the assembled shield connector, cable shield sleeve, and inner housing. [Modes for carrying out the invention]

[0027] Illustrative embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, the same reference numerals refer to the same elements. However, the present disclosure can be embodied in many different forms and should not be construed as being limited to the embodiments described herein. Rather, these embodiments are presented so as to make the present disclosure thorough and complete and so as to fully convey the concepts of the present disclosure to those skilled in the art.

[0028] The following detailed description includes numerous specific details for illustrative purposes to provide a thorough understanding of the disclosed embodiments. However, it will be apparent that one or more embodiments can be carried out without these specific details. In other cases, well-known structures and devices are shown schematically for the sake of simplifying the drawings.

[0029] According to the general concept of the present invention, a shielding connector for a high-voltage connector is provided. The shielding connector comprises a body having a first and second surface facing opposite directions and mounted on an inner housing; a first elastic arm connected to the body and projecting outward from the first surface of the body; and a second elastic arm connected to the body and projecting outward from the second surface of the body. The first and second elastic arms are suitable for electrically contacting two cable shield sleeves mounted on the inner housing, respectively.

[0030] Figure 1 is an exploded view illustrating a high-voltage connector according to an exemplary embodiment of the present invention. Figure 2 is an assembled view illustrating an electromagnetic shielding assembly and inner housing 10 according to an exemplary embodiment of the present invention. Figure 3 is an assembled view illustrating a shielding connecting member 21, cable shielding sleeve 22, and inner housing 10 according to an exemplary embodiment of the present invention. Figure 4 is an exploded view illustrating a shielding connecting member 21, cable shielding sleeve 22, and inner housing 10 according to an exemplary embodiment of the present invention.

[0031] As shown in Figures 1 to 4, in the illustrated embodiment, the high-voltage connector comprises an inner housing 10, an outer housing 30, a shield connecting member 21, a cable shield sleeve 22, a shield shell 23, and a cable (not shown). The shield shell 23 is externally mounted on the inner housing 10, the outer housing 30 is externally mounted on the shield shell 23, one end of the cable shield sleeve 22 is externally mounted on the plug portion 11 of the inner housing 10, and the other end of the cable shield sleeve 22 is crimped to the shield layer of the cable.

[0032] Figure 5 is an explanatory perspective view of a shield connecting member 21 according to an exemplary embodiment of the present invention.

[0033] As shown in Figures 1 to 5, in the illustrated embodiment, the shield connecting member 21 mainly comprises a main body 210, a first elastic arm 211, and a second elastic arm 212. The main body 210 has a first surface and a second surface opposite to the first surface, and the main body 210 is mounted on the inner housing 10. The first elastic arm 211 is connected to the main body 210 and protrudes outward from the first surface of the main body 210. The second elastic arm 212 is connected to the main body 210 and protrudes outward from the second surface of the main body 210.

[0034] Figure 6 is an explanatory assembly diagram of the shield connector 21 and inner housing 10 according to an exemplary embodiment of the present invention. Figure 7 is a longitudinal cross-sectional view of the shield connector 21, cable shield sleeve 22, and inner housing 10 assembled as shown in Figure 3.

[0035] As shown in Figures 1 to 7, in the illustrated embodiment, the first elastic arm 211 and the second elastic arm 212 of the shield connecting member 21 are suitable for electrically contacting the two cable shield sleeves 22 mounted in the inner housing 10, respectively.

[0036] As shown in Figures 1 to 7, in the illustrated embodiment, the first elastic arm 211 is an arch bridge elastic arm formed on one side of the main body 210, and both ends of the first elastic arm 211 are connected to the main body 210. Similarly, as shown in Figures 1 to 7, the second elastic arm 212 is an arch bridge elastic arm formed on the other side of the main body 210, and both ends of the second elastic arm 212 are connected to the main body 210.

[0037] As shown in Figures 1 to 7, in the illustrated embodiment, the main body 210 has a fixed end 213 configured to be inserted into a slot 13 formed in the inner housing 10. Elastic locking pieces 214 are formed on both sides of the fixed end 213 of the main body 210. The elastic locking pieces 214 are fastened to a slot hole 14 formed in the inner housing 10, and are suitable for locking the shield connecting member 21 to the inner housing 10. The slot hole 14 is formed in the side wall of the slot 13.

[0038] As shown in Figures 1 to 7, in the illustrated embodiment, the elastic lock piece 214 on one side of the main body 210 extends diagonally outward from the first surface of the main body 210. The elastic lock piece 214 on the other side of the main body 210 extends diagonally outward from the second surface of the main body 210.

[0039] As shown in Figures 1 to 7, in the illustrated embodiment, the shield connecting member 21 is a single punched part formed by punching out a thin sheet of metal. In this way, manufacturing costs can be reduced and manufacturing efficiency can be improved. However, the present invention is not limited thereto, and the shield connecting member 21 may also be a machined part.

[0040] As shown in Figures 1 to 7, an electromagnetic shielding assembly is also disclosed in an exemplary embodiment of the present invention. The electromagnetic shielding assembly comprises two cable shielding sleeves 22 and the shielding connecting member 21 described above. The two cable shielding sleeves 22 are used to electrically connect to the shielding layers of two cables, respectively. The shielding connecting member 21 is sandwiched between the two cable shielding sleeves 22 and is suitable for electrically connecting the two cable shielding sleeves 22.

[0041] As shown in Figures 1 to 7, in the illustrated embodiment, the electromagnetic shielding assembly also includes a shield shell 23. The shield shell 23 includes a first port and a second port opposite to the first port, and a plurality of first spring pieces 231 projecting inward toward the first port are formed on the peripheral wall of the first port of the shield shell 23. One end 221 (left end in the figure) of two cable shield sleeves 22 is housed in the first port of the shield shell 23, and the plurality of first spring pieces 231 are suitable for electrically contacting the outer walls of the two cable shield sleeves 22.

[0042] As shown in Figures 1 to 7, in the illustrated embodiment, the other end 222 (right end in the figure) of the cable shield sleeve 22 is configured to be crimped to the shield layer of the cable, and the shield layer of the cable is electrically connected to the shield shell 23 via the cable shield sleeve 22.

[0043] As shown in Figures 1 to 7, in the illustrated embodiment, the shield connecting member 21 is mounted on the inner housing 10, one end 221 of the cable shield sleeve 22 is suitable for fitting into the plug portion 11 of the inner housing 10, and the shield shell 23 is suitable for fitting into the inner housing 10 and one end 221 of the cable shield sleeve 22.

[0044] As shown in Figures 1 to 7, in the illustrated embodiment, a plurality of second spring pieces 232 protruding inward from the second port are formed on the peripheral wall of the second port of the shield shell 23, and the plurality of second spring pieces 232 are suitable for electrically contacting the outer wall of a mating shield shell (not shown) that is inserted into the second port of the shield shell 23.

[0045] As shown in Figures 1 to 7, a high-voltage connector is also disclosed in an exemplary embodiment of the present invention. The high-voltage connector comprises an inner housing 10 and an electromagnetic shielding assembly. The electromagnetic shielding assembly is mounted on the inner housing 10.

[0046] As shown in Figures 1 to 7, in the illustrated embodiment, the high-voltage connector also includes a cable (not shown), one end of which passes through a cable shield sleeve 22 and extends into the inner housing 10. One end 221 of the cable shield sleeve 22 is fitted into the inner housing 10, and the other end 222 is crimped to the shield layer of the cable.

[0047] As shown in Figures 1 to 7, in the illustrated embodiment, the high-voltage connector also includes an outer housing 30. The electromagnetic shielding assemblies 21, 22, 23 and the inner housing 10 are housed in the outer housing 30.

[0048] As shown in Figures 1 to 7, in the illustrated embodiment, the high-voltage connector also includes terminals (not shown). The terminals are located in the inner housing 10. One end of the terminal is electrically connected to a cable extending into the inner housing 10, and the other end of the terminal is used to mate with the mating terminal of a mating high-voltage connector (not shown).

[0049] As shown in Figures 1 to 7, in the illustrated embodiment, the inner housing 10 has two plug portions 11. A gap 12 is formed between the two plug portions 11. The shield connecting member 21 is inserted into the gap 12 of the inner housing 10. One end 221 of the two cable shield sleeves 22 is fitted into the two plug portions 11, and the shield connecting member 21 is clamped between the side walls of the two cable shield sleeves 22.

[0050] As shown in Figures 1 to 7, in the illustrated embodiment, a convex rib 11a is formed on the outer wall of the plug portion 11 opposite to the shield connecting member 21. The convex rib 11a abuts against the inner wall of the cable shield sleeve 22, thereby shifting the cable shield sleeve 22 by a predetermined distance relative to the shield connecting member 21 toward the side away from the shield connecting member 21, preventing the cable shield sleeve 22 from colliding with the end head 215 of the shield connecting member 21 during installation.

[0051] As shown in Figures 1 to 7, in the illustrated embodiment, a slot 13 is formed at the bottom of the gap 12 of the inner housing 10, and the fixed end 213 of the shield connecting member 21 is inserted into the slot 13. The first elastic arm 211 and the second elastic arm 212 of the shield connecting member 21 are housed in the gap 12 and are in electrical contact with the two cable shield sleeves 22, respectively.

[0052] As shown in Figures 1 to 7, in the illustrated embodiment, a slot hole 14 corresponding to the elastic lock piece 214 of the shield connecting member 21 is also formed in the inner housing 10. The slot hole 14 communicates with the slot 13, and the elastic lock piece 214 of the shield connecting member 21 is locked in the slot hole 14. In this way, the shield connecting member 21 can be fixed to the inner housing 10.

[0053] Those skilled in the art should understand that the embodiments described above are illustrative and not limiting. For example, those skilled in the art can make many modifications to the embodiments without structural or principle contradictions, and can freely combine the various features described in different embodiments.

[0054] While several exemplary embodiments have been illustrated and described, it will be understood by those skilled in the art that various modifications or alterations can be made to these embodiments without departing from the principles and spirit of the disclosure. The scope of the disclosure is defined by the claims and their equivalents.

[0055] When used herein, elements described in the singular form and preceded by the word "a" or "an" should be understood not to exclude the plural forms of the aforementioned elements or steps unless it is explicitly stated that such exclusion is to be made. Furthermore, references to “one embodiment” of the present invention are not intended to be construed as excluding the existence of additional embodiments that likewise incorporate the described features. Moreover, unless it is expressly stated otherwise, embodiments that “compile” or “have” one or more elements having a particular characteristic may include additional such elements that do not possess that characteristic.

Claims

1. A shield connection member for a high voltage connector, comprising: a body portion (210) having opposite first and second surfaces and attached to the inner housing (10); a first elastic arm (211) connected to the body portion (210) and protruding outward from the first surface of the body portion (210); a second resilient arm (212) connected to the body portion (210) and projecting outward from the second surface of the body portion (210); the first resilient arm (211) and the second resilient arm (212) are adapted to make electrical contact with two cable shielding sleeves (22) respectively attached to the inner housing (10); Shield connection component.

2. The first elastic arm (211) is an arch bridge elastic arm formed on one side of the main body (210), and both ends of the first elastic arm (211) are respectively connected to the main body (210), and / or The second elastic arm (212) is an arch bridge elastic arm formed on the other side of the main body portion (210), and both ends of the second elastic arm (212) are connected to the main body portion (210), respectively. The shield connection member according to claim 1 .

3. The body portion (210) has a fixed end (213) configured to be inserted into a slot (13) formed in the inner housing (10); An elastic locking piece (214) is formed on each of two sides of the fixed end (213) of the main body (210), and the elastic locking piece (214) is configured to be fastened to a slot hole (14) formed in the inner housing (10) to lock the shield connecting member (21) to the inner housing (10). The shield connection member according to claim 1 .

4. The elastic locking piece (214) on one side of the body portion (210) extends obliquely outward from the first surface of the body portion (210), and / or The elastic locking piece (214) on the other side of the main body portion (210) extends obliquely outward from the second surface of the main body portion (210). The shield connection member according to claim 3 .

5. The shield connection member (21) is an integral stamped part formed by stamping a single sheet of material. The shield connection member according to any one of claims 1 to 4.

6. 1. A high voltage connector, an inner housing (10); a shield shell (23) disposed outside the inner housing (10) and having a first port and a second port facing in opposite directions; The shield connection member according to any one of claims 1 to 4, attached to the inner housing (10); Equipped with High voltage connector.

7. Further comprising two cable shield sleeves (22) used to electrically connect to the shield layers of the two cables, respectively; a part of the shield connection member (21) is disposed between the two cable shield sleeves (22), and the first elastic arm (211) and the second elastic arm (212) of the shield connection member (21) respectively contact the two cable shield sleeves (22) and electrically connect the two cable shield sleeves (22); 7. The high voltage connector of claim 6.

8. a plurality of first spring pieces (231) protruding toward the inside of the first port are formed on a peripheral wall of the first port of the shield shell (23); One ends (221) of the two cable shield sleeves (22) are accommodated in the first ports of the shield shell (23), and the plurality of first spring pieces (231) are in electrical contact with the outer walls of the two cable shield sleeves (22).

8. The high voltage connector of claim 7.

9. The other end (222) of the cable shield sleeve (22) is crimped to the shield layer of the cable, so that the shield layer of the cable is electrically connected to the shield shell (23) via the cable shield sleeve (22).

9. The high voltage connector of claim 8.

10. The one end (221) of the cable shield sleeve (22) is fitted into the plug portion (11) of the inner housing (10), and the shield shell (23) is fitted into the inner housing (10) and the one end (221) of the cable shield sleeve (22).

10. The high voltage connector of claim 9.

11. a plurality of second spring pieces (232) protruding toward the inside of the second port are formed on a peripheral wall of the second port of the shield shell (23), and the plurality of second spring pieces (232) are configured to be in electrical contact with an outer wall of a mating shield shell inserted into the second port of the shield shell (23).

9. The high voltage connector of claim 8.

12. The cable shielding device further includes two cables, one end of each of which passes through the two cable shielding sleeves (22) and extends into the inner housing (10); The cable shield sleeve (22) is crimped onto the shield layer of the cable.

8. The high voltage connector of claim 7.

13. The cable shielding device further includes an outer housing (30) that receives the shield connection member (21), the cable shield sleeve (22), the shield shell (23), and the inner housing (10).

8. The high voltage connector of claim 7.

14. Further comprising a terminal disposed on the inner housing (10), One end of the terminal is electrically connected to the cable extending into the inner housing (10), and the other end of the terminal is used to mate with a mating terminal of a mating high-voltage connector.

12. The high voltage connector of claim 11.

15. The inner housing (10) has two plug portions (11), a gap (12) is formed between the two plug portions (11), and the shield connection member (21) is inserted into the gap (12) of the inner housing (10); The one ends (221) of the two cable shield sleeves (22) are fitted into the two plug portions (11), respectively, and the shield connection member (21) is sandwiched between the side walls of the two cable shield sleeves (22).

11. A high voltage connector according to any one of claims 10 to 19.

16. a convex rib (11a) is formed on the outer wall of the plug part (11) opposite the shield connection member (21), the convex rib (11a) abutting the inner wall of the cable shield sleeve (22), thereby displacing the cable shield sleeve (22) a predetermined distance away from the shield connection member (21) and preventing the cable shield sleeve (22) from hitting the end head (215) of the shield connection member (21) during installation; 16. The high voltage connector of claim 15.

17. A slot (13) is formed at the bottom of the gap (12) of the inner housing (10), and a fixed end (213) of the shield connection member (21) is inserted into the slot (13); The first elastic arm (211) and the second elastic arm (212) of the shield connection member (21) are accommodated in the gap (12) and are in electrical contact with the two cable shield sleeves (22), respectively.

16. The high voltage connector of claim 15.

18. The inner housing (10) is also formed with a slot hole (14) for fitting with the elastic lock piece (214) of the shield connection member (21), and the elastic lock piece (214) of the shield connection member (21) is locked in the slot hole (14).

18. The high voltage connector of claim 17.

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