CN218975851U - High-voltage connector - Google Patents
High-voltage connector Download PDFInfo
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- CN218975851U CN218975851U CN202223151216.7U CN202223151216U CN218975851U CN 218975851 U CN218975851 U CN 218975851U CN 202223151216 U CN202223151216 U CN 202223151216U CN 218975851 U CN218975851 U CN 218975851U
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- cable
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- shell
- connecting component
- shielding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a high-voltage connector, which comprises a female end connecting component, a cable connecting component and a connecting shell, wherein the connecting shell is integrally injection-molded and fixed between the connected female end connecting component and the cable connecting component; the inner side wall of the connecting shell is integrally provided with a stop convex ring and a limit ring groove which are respectively correspondingly propped against the opposite ends of the female end connecting component and the cable connecting component. According to the utility model, the connecting shell not only can wrap the connected female end connecting component and the cable connecting component, but also can ensure that the female end connecting component and the cable connecting component are connected more firmly by virtue of the limiting structure integrally arranged on the inner wall of the connecting shell, so that the female end connecting component and the cable connecting component are not easy to separate even bearing huge vibration impact, and the vibration resistance is obviously improved.
Description
Technical Field
The utility model relates to the technical field of electric connectors, in particular to a high-voltage connector.
Background
The high-voltage connector is a connecting device for connecting, disconnecting or converting a circuit or an optical channel through electric or optical signals and mechanical force, and the demand of the high-voltage connector is higher and higher along with the popularization of new energy automobiles.
As shown in fig. 1, the existing high-voltage connector comprises a female end connecting end and a cable connecting end, wherein the cable connecting end is sleeved with a sealing ring 01, a lock catch sleeve 02 and a clamping sleeve 03, the sealing ring 01, the lock catch 02 and the clamping sleeve 03 are sequentially arranged at the cable connecting end during assembly, the cable connecting end is inserted into the female end connecting end, when two ends of the sealing ring 01 respectively abut against the female end connecting end and the lock catch sleeve 02, the clamping sleeve is pushed, one end of the clamping sleeve is coated outside the lock catch sleeve 02, and the other end of the clamping sleeve is fixedly connected with the female end connecting end in a clamping manner, so that the female end connecting end and the cable connecting end are fixedly connected.
However, such a detachable connection between the female end connection end and the cable connection end has serious drawbacks, such as that when the vehicle body is subjected to severe vibration during running, the cable jacket is extremely easily loosened, resulting in unreliable connection of the high-voltage connector. Accordingly, the existing high-voltage connector has relatively poor vibration resistance.
Disclosure of Invention
Therefore, an object of the present utility model is to provide a high voltage connector, in which a connection housing is integrally injection-molded and fixed between a connected female end connection assembly and a cable connection assembly, and a stop collar and a stop ring groove are integrally provided on an inner sidewall of the connection housing, so that the female end connection assembly and the cable connection assembly are not easy to be separated when they are subjected to vibration, and vibration resistance is significantly improved.
The utility model provides a high-voltage connector, which comprises a female end connecting component, a cable connecting component and a connecting shell, wherein the connecting shell is integrally injection-molded and fixed between the connected female end connecting component and the cable connecting component; the inner side wall of the connecting shell is integrally provided with a stop convex ring and a limit ring groove which are respectively correspondingly propped against the opposite ends of the female end connecting component and the cable connecting component.
Preferably, the cable connecting assembly comprises a cable outer insulating layer and an end lock sleeve clamped and fixed at the end of the cable outer insulating layer, the cable outer insulating layer is sleeved with a sealing fastening sleeve, and two ends of the sealing fastening sleeve are respectively abutted against the end face of the end lock sleeve and an arc-shaped convex ring arranged on the connecting shell.
Preferably, one end of the end lock sleeve, which is close to the sealing fastening sleeve, is integrally provided with an annular flange, and the annular flange is in concave-convex fit with the limiting ring groove.
Preferably, the cable coupling assembling includes the coaxial cable shielding layer of locating in the cable external insulation layer, and the cable shielding layer has the shielding layer turn-ups that turns over outward from cable external insulation layer tip, and female end coupling assembling includes female end shield shell, and female end shield shell cover is in shielding layer turn-ups outsides, and the shielding layer turn-ups hugs closely female end shield shell under the support of tip lock sleeve.
Preferably, the end part of the end lock sleeve, which is close to the cable outer insulation layer, is integrally provided with a conical shrinkage opening, and the conical shrinkage opening is propped against the end part of the cable outer insulation layer.
Preferably, the shielding flange is sleeved outside the shielding shell at the female end and used for fixedly connecting the shielding shell at the female end and the flanging of the shielding layer, and the inner wall of the connecting shell is integrally provided with an annular groove matched with the shielding flange in a concave-convex manner.
Preferably, the inner wall of the connecting shell is provided with at least one limiting step surface propped against the side wall of the female end shielding shell.
Preferably, the connecting shell comprises a female end fastening sleeve wrapped outside the female end connecting assembly and a cable fastening sleeve wrapped outside the cable connecting assembly, wherein the female end fastening sleeve is integrally connected with the cable fastening sleeve and distributed in a stepped mode.
Preferably, the outer side walls of the female end fastening sleeve and the cable fastening sleeve are integrally provided with a plurality of annular axial reinforcing ribs.
Compared with the background art, the high-voltage connector provided by the utility model comprises the female end connecting component, the cable connecting component and the connecting shell, wherein the connecting shell is integrally fixed between the connected female end connecting component and the cable connecting component in an injection molding way, the inner side wall of each connecting shell is integrally provided with the stop convex ring and the stop annular groove, and the stop convex ring and the stop annular groove respectively correspondingly abut against the opposite ends of the female end connecting component and the cable connecting component, so that the female end connecting component and the cable connecting component are not easy to disengage.
Compared with the prior clamping mode, the connecting mode between the female end connecting component and the cable connecting component and the connecting shell is optimized, so that the connecting shell can wrap the connected female end connecting component and the cable connecting component, and the female end connecting component and the cable connecting component can be connected more firmly by virtue of the limiting structure integrally arranged on the inner wall of the connecting shell, and the connecting shell is not easy to separate even if bearing huge vibration impact, and the vibration resistance is remarkably improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a state diagram of a connection assembly between a female end connection assembly and a cable connection assembly of a conventional high voltage connector when the connection assembly is not assembled;
fig. 2 is a block diagram of a high voltage connector according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a connection state diagram of the female end connection assembly of FIG. 2 after crimping with a cable connection assembly;
FIG. 5 is a cross-sectional view of FIG. 4;
fig. 6 is a state diagram of the female end connection assembly of fig. 2 after crimping with a cable connection assembly to install a sealing and fastening sleeve.
The reference numerals are as follows:
the sealing ring 01, the lock catch sleeve 02 and the clamping sleeve 03;
the female end connecting component 1, the cable connecting component 2, the connecting shell 3, the sealing fastening sleeve 4 and the shielding flange 5;
the female terminal 11, the insulating plastic shell 12, the female spring piece 13, the terminal secondary lock 14 and the female shielding shell 15;
a cable 21, a cable inner insulation layer 22, a cable outer insulation layer 23, a cable shield layer 24 and an end lock sleeve 25;
the cable comprises a stop convex ring 31, an arc convex ring 32, a female end fastening sleeve 33, a cable fastening sleeve 34 and an axial reinforcing rib 35.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that those skilled in the art will better understand the present utility model, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2 to 6, fig. 2 is a block diagram of a high voltage connector according to an embodiment of the present utility model; FIG. 3 is a cross-sectional view of FIG. 2; FIG. 4 is a connection state diagram of the female end connection assembly of FIG. 2 after crimping with a cable connection assembly; FIG. 5 is a cross-sectional view of FIG. 4; fig. 6 is a state diagram of the female end connection assembly of fig. 2 after crimping with a cable connection assembly to install a sealing and fastening sleeve.
The high-voltage connector provided by the utility model comprises a female end connecting component 1, a cable connecting component 2 and a connecting shell 3, wherein a bus terminal 11 of the female end connecting component 1 and a cable 21 of the cable connecting component 2 are welded together. The structure of the female terminal connection assembly 1 and the cable connection assembly 2 may be specifically referred to as follows.
The connection housing 3 is integrally injection-molded and fixed between the connected female end connection component 1 and the cable connection component 2, that is, the connection housing 3 is arranged at the connection position of the female end connection component 1 and the cable connection component 2 in an injection molding mode. For any set of connected female connection assemblies 1 and cable connection assemblies 2, the female connection assemblies 1 are located within the connection housing 3 and the cable connection assemblies 2 are located only partially within the connection housing 3. The number of the female terminal connection assembly 1 and the cable connection assembly 2 is adaptively adjusted according to the number of bits of the high voltage connector, which is not particularly limited herein.
The inside wall of each connection housing 3 is integrally provided with a stop convex ring 31 and a limit ring groove, and the stop convex ring 31 and the limit ring groove respectively and correspondingly abut against opposite ends of the female end connection component 1 and the cable connection component 2, so that the female end connection component 1 and the cable connection component 2 are not easy to disengage.
Specifically, the female end connection assembly 1 includes a female end terminal 11, an insulating plastic case 12, a female end spring piece 13, a terminal secondary lock 14 and a female end shield case 15, and the insulating plastic case 12 is fixed at an end of the female end terminal 11 far away from the cable connection assembly 2 for isolating the female end terminal 11 and the female end shield case 15. The female spring 13 is fixed in the female terminal 11, provides a holding force for the mating male terminal, and conducts electricity between the female terminal 11 and the male terminal. The terminal secondary lock 14 is used for locking the female terminal 11 to prevent the female terminal 11 from coming out after the assembly is completed. The structure and operation principle of the terminal secondary lock 14 can be specifically referred to the prior art. The female end shielding shell 15 is sleeved outside the female end terminal 11 and plays a role in shielding electromagnetic interference.
The cable connection assembly 2 includes a cable 21, an inner cable insulation layer 22, an outer cable insulation layer 23, a cable shielding layer 24, and an end lock sleeve 25, wherein the inner cable insulation layer 22 is wrapped outside the cable 21, and the cable shielding layer 24 is coaxially disposed between the inner cable insulation layer 22 and the outer cable insulation layer 23. The cable shielding layer 24 is coaxially arranged in the cable outer insulating layer 23, the cable shielding layer 24 is provided with a shielding layer flanging 241 which is folded outwards from the end part of the cable outer insulating layer 23, the female end shielding shell 15 is sleeved outside the shielding layer flanging 241, and the shielding layer flanging 241 is tightly attached to the female end shielding shell 15 under the support of the end lock sleeve 25. In addition, the end lock sleeve 25 can be filled between the shielding layer flange 241 and the cable outer insulation layer 23 after the female end connecting component 1 is connected with the cable connecting component 2, so as to provide radial supporting force for the installation of the cable connecting component 2, and ensure that the female end connecting component 1 is connected with the cable connecting component 2.
The end part of the end lock sleeve 25, which is close to the cable outer insulating layer 23, is integrally provided with a conical shrinkage opening 252, the conical shrinkage opening 252 is propped against the end part of the cable outer insulating layer 23, the inner diameter of the conical shrinkage opening 252 is gradually reduced, the end lock sleeve 25 is ensured to reliably press the cable outer insulating layer 23, the end lock sleeve 25 is prevented from being out of contact with the cable outer insulating layer 23, and the connection reliability between the female end connection component 1 and the cable connection component 2 can be further improved.
The end lock sleeve 25 is provided with an annular flange 251 at one end close to the sealing and fastening sleeve 4, and the annular flange 251 is matched with the limit ring groove in a concave-convex manner.
The high-voltage connector further comprises a shielding flange 5 sleeved outside the female end shielding shell 15, and is pressed outside the joint of the female end shielding shell 15 and the shielding layer flanging 241, so that the female end shielding shell 15 and the shielding layer flanging 241 are reliably connected, and meanwhile, the shielding effect can be achieved.
Further, the inner wall of the connection housing 3 is integrally provided with an annular groove which is in concave-convex fit with the shielding flange 5, and the annular groove further plays a role in axial limiting and further prevents the female end connection component 1 and the cable connection component 2 from being separated from the connection housing 3. The inner side wall of the annular groove is completely matched with the outer side surface of the shielding flange 5 to form a concave-convex matching structure, and the axial limiting effect is also achieved to a certain extent.
Furthermore, the outer side wall of the female end shielding shell 15 is not smooth, and at least one limiting step surface is integrally formed on the inner wall of the connecting housing 3 during injection molding, and the limiting step surface is abutted against a plurality of protruding structures of the female end shielding shell 15 in one-to-one correspondence, so that the female end connecting assembly 1 can be further limited axially.
The stop convex ring 31 is an annular convex structure formed by filling a gap between the female end shielding shell 15 and the female end terminal 11 when the injection molding material is injected, and the stop convex ring 31 abuts against one end of the female end shielding shell 15 away from the cable connecting assembly 2, so that the female end connecting assembly 1 is axially limited. The limiting ring groove is an annular concave structure formed by annular flanges 251 of the end lock sleeve 25, when the injection molding material is injected, the limiting ring groove abuts against one end, away from the female end connecting assembly 1, of the end lock sleeve 25, and therefore the cable connecting assembly 2 is axially limited.
Compared with the prior clamping mode, the utility model optimizes the connecting mode between the female end connecting component 1 and the cable connecting component 2 and the connecting shell 3, so that the connecting shell 3 can wrap the connected female end connecting component 1 and the cable connecting component 2, and the female end connecting component 1 and the cable connecting component 2 can be connected more firmly by virtue of the integrally arranged limiting structure on the inner wall of the connecting shell, and the connecting shell is not easy to disconnect even bearing huge vibration impact, and the vibration resistance is obviously improved.
The cable outer insulating layer 23 cover is equipped with sealed fastening cover 4, and the inner wall integral type of connecting shell 3 has arc bulge loop 32, and sealed fastening cover 4's both ends offset with terminal surface and the arc bulge loop 32 of tip lock cover 25 respectively, make sealed fastening cover 4 hug closely tip lock cover 25, can prevent tip lock cover 25 not hard up, can play sealed effect again. The sealing and fastening sleeve 4 may be formed by gel-curing coated on the cable outer insulation layer 23, but is not limited thereto.
During assembly, the cable connecting assembly 2 and the female end connecting assembly 1 are welded firstly, the shielding layer flanging 241 is tightly propped against the female end shielding shell 15 under the support of the end lock sleeve 25, the shielding flange 5 is sleeved on the shielding layer flanging for connecting the cable outer insulating layer 23 and the female end shielding shell 15, then a circle of colloid is smeared on the cable outer insulating layer 23 to form the sealing fastening sleeve 4, and finally the connecting shell 3 is integrally molded and fixed between each group of female end connecting assemblies 1 and the cable connecting assembly 2.
The connection housing 3 includes a female end fastening sleeve 33 and a cable fastening sleeve 34, the female end fastening sleeve 33 is wrapped on the outer side of the female end connection assembly 1, and the cable fastening sleeve 34 is wrapped on the outer side of the cable connection assembly 2. The female end fastening sleeve 33 and the cable fastening sleeve 34 are integrally connected and distributed in a step shape, and are matched with the joint of the female end connecting component 1 and the cable connecting component 2, so that material waste is avoided.
The outer side walls of the female end fastening sleeve 33 and the cable fastening sleeve 34 are integrally provided with a plurality of annular axial reinforcing ribs 35, so that the cable connecting assembly 2 is prevented from bending to deform the connecting shell 3, and the bending strength of the connecting shell 3 can be improved. All axial ribs 35 are evenly distributed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The high-voltage connector is characterized by comprising a female end connecting component (1), a cable connecting component (2) and a connecting shell (3), wherein the connecting shell (3) is integrally injection-molded and fixed between the female end connecting component (1) and the cable connecting component (2) which are connected; the inner side wall of the connecting shell (3) is integrally provided with a stop convex ring (31) and a limit ring groove which are respectively correspondingly propped against the opposite ends of the female end connecting component (1) and the cable connecting component (2).
2. The high-voltage connector according to claim 1, wherein the cable connection assembly (2) comprises a cable outer insulation layer (23) and an end lock sleeve (25) clamped at the end of the cable outer insulation layer (23), the cable outer insulation layer (23) is sleeved with a sealing fastening sleeve (4), and two ends of the sealing fastening sleeve (4) respectively abut against the end face of the end lock sleeve (25) and an arc-shaped convex ring (32) arranged on the connection shell (3).
3. The high-voltage connector according to claim 2, characterized in that the end lock sleeve (25) is integrally provided with an annular flange (251) near one end of the sealing and fastening sleeve (4), the annular flange (251) being in concave-convex fit with the limit ring groove.
4. The high-voltage connector according to claim 2, characterized in that the cable connection assembly (2) comprises a cable shielding layer (24) coaxially arranged in the cable outer insulation layer (23), the cable shielding layer (24) is provided with a shielding layer flanging (241) which is outwards turned from the end part of the cable outer insulation layer (23), the female end connection assembly (1) comprises a female end shielding shell (15), the female end shielding shell (15) is sleeved outside the shielding layer flanging (241), and the shielding layer flanging (241) is tightly attached to the female end shielding shell (15) under the support of the end locking sleeve (25).
5. The high voltage connector according to claim 4, characterized in that the end lock sleeve (25) is integrally provided with a tapered constriction (252) near the end of the cable outer insulation (23), the tapered constriction (252) being in abutment with the end of the cable outer insulation (23).
6. The high-voltage connector according to claim 4, further comprising a shielding flange (5) sleeved outside the female end shielding shell (15) and used for fixedly connecting the female end shielding shell (15) with the shielding layer flanging (241), wherein an annular groove matched with the shielding flange (5) in a concave-convex manner is integrally formed in the inner wall of the connecting shell (3).
7. The high-voltage connector according to claim 4, characterized in that the inner wall of the connection housing (3) is provided with at least one limit step surface against the side wall of the female end shield shell (15).
8. The high voltage connector according to any one of claims 1 to 4, wherein the connection housing (3) comprises a female end fastening sleeve (33) wrapped outside the female end connection assembly (1) and a cable fastening sleeve (34) wrapped outside the cable connection assembly (2), and the female end fastening sleeve (33) is integrally connected with the cable fastening sleeve (34) and distributed in a stepped shape.
9. The high-voltage connector according to claim 8, characterized in that the outer side walls of both the female end fastening sleeve (33) and the cable fastening sleeve (34) are integrally provided with a plurality of annularly distributed axial reinforcing ribs (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151216.7U CN218975851U (en) | 2022-11-25 | 2022-11-25 | High-voltage connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151216.7U CN218975851U (en) | 2022-11-25 | 2022-11-25 | High-voltage connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218975851U true CN218975851U (en) | 2023-05-05 |
Family
ID=86163222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223151216.7U Active CN218975851U (en) | 2022-11-25 | 2022-11-25 | High-voltage connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218975851U (en) |
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2022
- 2022-11-25 CN CN202223151216.7U patent/CN218975851U/en active Active
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