CN215645305U - High-voltage connecting piece shielding sleeve - Google Patents
High-voltage connecting piece shielding sleeve Download PDFInfo
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- CN215645305U CN215645305U CN202121393378.4U CN202121393378U CN215645305U CN 215645305 U CN215645305 U CN 215645305U CN 202121393378 U CN202121393378 U CN 202121393378U CN 215645305 U CN215645305 U CN 215645305U
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- butt joint
- shielding
- shielding sleeve
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Abstract
The utility model discloses a high-voltage connecting piece shielding sleeve which comprises a shielding sleeve body, wherein one end of the shielding sleeve body is a wiring end, the other end of the shielding sleeve body is a splicing end, a first annular groove, a second annular groove, a third annular groove, an annular limiting groove and a butt joint clamping groove are sequentially arranged on the surface of the shielding sleeve body from the wiring end to the splicing end, one surface, close to the wiring end, of the annular limiting groove is a vertical surface, the other surface of the annular limiting groove is a first inclined surface, one surface, close to the wiring end, of the butt joint clamping groove is a second inclined surface, the other surface of the butt joint clamping groove is a vertical surface, the first inclined surface is connected with the second inclined surface, an included angle of 95-105 degrees is formed, a butt joint positioning groove is arranged on the surface of the shielding sleeve, the butt joint positioning groove extends to the third annular groove from the splicing end, and a raised limiting ring is arranged on the inner wall of the shielding sleeve body corresponding to the position of the butt joint clamping groove. The utility model adopts an integral sleeve structure to match with a specific assembly groove, thereby not only realizing reliable assembly with the shell, but also ensuring the plugging performance and the shielding reliability.
Description
Technical Field
The utility model relates to an automobile spare and accessory part, in particular to a high-voltage connecting piece shielding sleeve.
Background
In the existing power supply system of the automobile, a high-voltage connector is needed to be used and is electrically connected in a mode of setting a male plug and a female plug, and because the current passing through the high-voltage connector is strong and changes greatly, a large magnetic field is easily formed around the high-voltage connector, and in order to avoid influencing the work of a control element, a shielding layer is required to be additionally arranged on a plug and a socket of the high-voltage connector for shielding electromagnetic interference, so that the running safety of the automobile is ensured.
The common shielding layer is mostly used for directly leading out a contact elastic sheet from a shielding shell of the connector to be contacted with a metal panel so as to realize shielding, and the shielding is unreliable due to the surface treatment coating of the metal panel and the stress relaxation of the contact elastic sheet. This mating design requires additional shielding and corresponding contact metal tabs, which increases the number of parts and the cost of the product.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects of the prior art, the utility model provides the high-voltage connecting piece shielding sleeve, which adopts an integral sleeve structure to be matched with a specific assembling groove, so that not only is the reliable assembly with a shell realized, but also the plugging performance and the shielding reliability are ensured.
The technical scheme adopted by the utility model is as follows: a high-voltage connecting piece shielding sleeve comprises a shielding sleeve body, wherein one end of the shielding sleeve body is a wiring end, the other end of the shielding sleeve body is a splicing end, a first annular groove, a second annular groove, a third annular groove, an annular limiting groove and a butt joint clamping groove are sequentially arranged from the wiring end to the splicing end on the surface of the shielding sleeve body, one surface, close to the wiring end, of the annular limiting groove is a vertical surface, the other surface of the annular limiting groove is a first inclined surface, one surface, close to the wiring end, of the butt joint clamping groove is a second inclined surface, the other surface of the butt joint clamping groove is a vertical surface, the first inclined surface is connected with the second inclined surface and forms an included angle of 95-105 degrees, a butt joint positioning groove is arranged on the surface of the shielding sleeve body and extends to the third annular groove from the splicing end, and a raised limiting ring is arranged on the inner wall of the shielding sleeve body and corresponds to the butt joint clamping groove.
Preferably, the surface roughness of the first annular groove and the second annular groove is ra0.8.
Preferably, the insertion end of the shielding sleeve body is provided with a necking with an inclination angle of 5 degrees.
Preferably, the inner wall of the terminal of the shield case body has a flare with an inclination of 5.5 °.
Preferably, the wiring end of the shielding sleeve body is provided with a wiring notch, and an axial section corresponding to the wiring notch is perpendicular to an axial section corresponding to the butt joint positioning groove.
Preferably, an annular assembling groove is formed in the inner wall of the shielding case body corresponding to the third annular groove.
Has the advantages that: the high-voltage connecting piece shielding sleeve disclosed by the utility model has the following beneficial effects:
the integral sleeve structure is adopted, so that the sleeve is not easy to deform in later use, the plugging performance cannot be reduced, and the shielding effect cannot be reduced;
the inserting end is provided with a necking, and the surface is provided with a butt joint positioning groove, so that the inserting operation is convenient, and the accurate butt joint can be realized;
the front and back blocking of the internal insulating part is realized by adopting a limiting ring and a check ring, and the insulating part is separated from the shielding sleeve when the plug is placed and pulled out;
the surface of the shielding sleeve is provided with two sealing rings which are matched with certain roughness, so that the sealing performance with the shell can be improved, and meanwhile, the friction force with the shell is increased, and the shell is prevented from shifting during plugging and unplugging;
the adoption has the annular spacing groove cooperation casing jack catch of certain angle, not only realizes the assembly of casing, can realize dismantling fast in the later stage moreover.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a partial cross-sectional side view of an embodiment of the present invention;
FIG. 6 is a half-section assembly view of an embodiment of the present invention.
In the figure: 1-a shielding sleeve body, 2-a connecting end, 3-a plugging end, 4-a necking, 5-a first annular groove, 6-a second annular groove, 7-a third annular groove, 8-an annular limiting groove, 9-a butt joint clamping groove, 10-a sealing ring, 11-a shell, 12-a first inclined plane, 13-a second inclined plane, 14-a clamping jaw, 15-a butt joint positioning groove, 16-a wiring notch, 17-an insulating part, 18-a contact part, 19-a limiting ring, 20-an annular assembling groove, 21-a check ring and 22-a flaring.
Detailed Description
The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
As shown in fig. 1 to 6, the high-voltage connector shielding case disclosed by the present invention is assembled in a female terminal of a high-voltage connector, and the structure of the high-voltage connector shielding case includes a shielding case body 1, one end of the shielding case body 1 is a connection end 2 for connecting a signal line, for convenience of wiring, an expansion 22 with an inclination angle of 5.5 ° is disposed on an inner wall of the connection end, and the other end of the shielding case body 1 is a plug end 3 for plug-in fitting with a male terminal, and meanwhile, for convenience of plug-in, a 5 ° contraction 4 is disposed on the plug end.
Specifically, a first annular groove 5, a second annular groove 6, a third annular groove 7, an annular limiting groove 8 and a butt joint clamping groove 9 are sequentially arranged on the surface of the shielding sleeve body from a wiring end to a plug-in end, the first annular groove and the second annular groove are assembly sealing grooves, the surface roughness of the first annular groove and the second annular groove is Ra0.8, a sealing ring 10 is sleeved in the first annular groove and the second annular groove during assembly to improve the sealing performance between the shielding sleeve and a shell 11, the annular limiting groove is a limiting groove during shell assembly, one surface, close to the wiring end, of the annular limiting groove is a vertical surface, the other surface of the annular limiting groove is a first inclined surface 12, the butt joint clamping groove is used for limiting during butt joint with a sub-terminal, one surface, close to the wiring end, of the butt joint clamping groove is a second inclined surface 13, the other surface of the annular limiting groove is a vertical surface, the first inclined surface is connected with the second inclined surface to form an included angle b of 95-105 degrees, and the included angle b is preferably 100 degrees, while the second inclined surface has an angle of 14 with respect to the horizontal. 56 degrees, the shell is sleeved from the inserting end during assembly, the clamping jaw 14 of the shell is clamped into the annular limiting groove after the shell is in place, and the first inclined surface is arranged to enable the clamping jaw to move along the first inclined surface to be opened so as to realize shell disassembly only by applying certain external force to the end part when the shell needs to be replaced.
The surface of the shielding sleeve body is also provided with a butt joint positioning groove 15, the butt joint positioning groove extends to the third annular groove position through the plug-in end, when the shell is assembled, the shell is matched with the butt joint positioning groove through the positioning protrusion inside to realize the determination of the assembling position of the shell, and when the sub-terminal is plugged, the determination of the position when the two are plugged is also realized through the butt joint positioning groove.
The wiring end of the shielding sleeve body is provided with a wiring notch 16, and the axial section corresponding to the wiring notch is vertical to the axial section corresponding to the butt joint positioning groove.
The inside insulating part 17 that is equipped with of housing, and the insulating part internal fixation has contact 18, in order to ensure the steadiness of insulating part position when assembling, correspond the butt joint draw-in groove position at housing body inner wall and be equipped with bellied spacing ring 19 for it is spacing to carry out the front end to the mounted position of insulating part, correspond third annular groove position at housing body inner wall and be equipped with annular assembly groove 20 simultaneously, after the insulating part assembles, block into annular assembly groove through retaining ring 21 and realize rear end spacing.
According to the high-voltage connecting piece shielding sleeve disclosed by the utility model, the shell is assembled outside, the insulating piece is assembled inside, the insertion connection with the terminal is realized, the integral sleeve structure is adopted, the plugging performance and the shielding performance in use are improved, and meanwhile, the high-voltage connecting piece shielding sleeve is reliably assembled with the external insulating piece and the internal insulating piece.
Therefore, the scope of the present invention should not be limited to the disclosure of the embodiments, but includes various alternatives and modifications without departing from the scope of the present invention, which is defined by the claims of the present patent application.
Claims (6)
1. The utility model provides a high-voltage connector housing, includes the housing body, its characterized in that: the shielding cover comprises a shielding cover body and is characterized in that one end of the shielding cover body is a wiring end, the other end of the shielding cover body is a splicing end, a first annular groove, a second annular groove, a third annular groove, an annular limiting groove and a butt joint clamping groove are sequentially arranged on the surface of the shielding cover body from the wiring end to the splicing end, one surface, close to the wiring end, of the annular limiting groove is a vertical surface, the other surface of the annular limiting groove is a first inclined surface, one surface, close to the wiring end, of the butt joint clamping groove is a second inclined surface, the other surface of the butt joint clamping groove is a vertical surface, the first inclined surface is connected with the second inclined surface to form an included angle of 95-105 degrees, a butt joint positioning groove is arranged on the surface of the shielding cover body and extends to the position of the third annular groove from the splicing end, and a raised limiting ring is arranged on the inner wall of the shielding cover body and corresponds to the position of the splicing clamping groove.
2. A high voltage connector shield according to claim 1, wherein: the surface roughness of the first annular groove and the second annular groove is Ra0.8.
3. A high voltage connector shield according to claim 1, wherein: the plug-in end of the shielding sleeve body is provided with a necking with an inclination angle of 5 degrees.
4. A high voltage connector shield according to claim 1, wherein: the inner wall of the terminal of the shielding sleeve body is provided with a flaring with an inclination angle of 5.5 degrees.
5. A high voltage connector shield according to claim 1, wherein: the wiring end of the shielding sleeve body is provided with a wiring notch, and an axial section corresponding to the wiring notch is mutually vertical to an axial section corresponding to the butt joint positioning groove.
6. A high voltage connector shield according to claim 1, wherein: and an annular assembling groove is formed in the inner wall of the shielding case body corresponding to the third annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121393378.4U CN215645305U (en) | 2021-06-23 | 2021-06-23 | High-voltage connecting piece shielding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121393378.4U CN215645305U (en) | 2021-06-23 | 2021-06-23 | High-voltage connecting piece shielding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215645305U true CN215645305U (en) | 2022-01-25 |
Family
ID=79944762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121393378.4U Active CN215645305U (en) | 2021-06-23 | 2021-06-23 | High-voltage connecting piece shielding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215645305U (en) |
-
2021
- 2021-06-23 CN CN202121393378.4U patent/CN215645305U/en active Active
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