CN109449653B - Waterproof structure of automobile connector - Google Patents
Waterproof structure of automobile connector Download PDFInfo
- Publication number
- CN109449653B CN109449653B CN201811632894.0A CN201811632894A CN109449653B CN 109449653 B CN109449653 B CN 109449653B CN 201811632894 A CN201811632894 A CN 201811632894A CN 109449653 B CN109449653 B CN 109449653B
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- China
- Prior art keywords
- waterproof
- sheath
- accommodating groove
- threading
- wall
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
- H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a waterproof structure of an automobile connector. The waterproof structure of the automobile connector comprises a sheath, an end cover, a waterproof bolt and at least two clamping pieces; at least two threading channels are arranged in the sheath, and an accommodating groove is formed in the end face of one end of the sheath; the waterproof bolt is provided with at least two waterproof holes, the waterproof bolt is arranged in the accommodating groove and is in interference fit with the accommodating groove, and the threading channels, the waterproof holes and the threading holes are respectively arranged in one-to-one correspondence; the lateral wall of waterproof bolt is equipped with two at least block grooves, and the block groove sets up along waterproof bolt's circumference, and the one end of fastener runs through the outer wall of sheath and imbeds in the block groove, and the block piece and block groove interference fit. The waterproof structure of the automobile connector is good in waterproof performance.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a waterproof structure of an automobile connector.
Background
Automotive connectors are a component that is frequently accessed by electronics engineers. Its effect is very simple: a bridge for communication is erected between the blocked part or isolated and non-communicated circuits in the circuit, so that current flows, and the circuit achieves the preset function. At present, automobile connector's electric wire waterproof construction, what adopt usually is that press waterproof bolt and electric wire simultaneously to the terminal during the crimping, waterproof bolt receives the extrusion of outside casing and then compresses tightly the electric wire, waterproof bolt mainly receives the power that has outer inwards, leaks easily between the inside wall of its and outside casing.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the waterproof structure of the automobile connector is good in waterproof performance.
In order to solve the technical problems, the invention adopts the technical scheme that:
a waterproof structure of an automobile connector comprises a sheath, an end cover, a waterproof bolt and at least two clamping pieces; at least two threading channels are arranged in the sheath, an accommodating groove is formed in the end face of one end of the sheath, one end of each threading channel is communicated with the accommodating groove, and the other end of each threading channel extends to the end part of the other end of the sheath; the end cover is provided with at least two threading holes and is covered on the opening of the accommodating groove;
the waterproof bolt is arranged in the accommodating groove, the waterproof bolt is in interference fit with the accommodating groove, and the threading channel, the waterproof hole and the threading hole are respectively arranged in a one-to-one correspondence manner;
the inner wall of the accommodating groove facing the end cover is provided with a first bulge part, the first bulge part is arranged around the central axis of the sheath and is inclined towards the central axis of the sheath, and the connecting hole of the threading channel and the accommodating groove is positioned in an area enclosed by the first bulge part;
one surface, facing the accommodating groove, of the end cover is provided with a second bulge, and the second bulge is arranged around the central axis of the sheath and extends along the axial direction of the sheath;
one end of the waterproof bolt is abutted against the inner wall of the accommodating groove facing the end cover, and the end part of the end is positioned between the first bulge part and the inner side wall of the accommodating groove;
the other end of the waterproof plug is abutted to one surface of the end cover facing the accommodating groove, and a groove corresponding to the second bulge is formed in the other end of the waterproof plug;
the side wall of the waterproof bolt is provided with at least two clamping grooves, the clamping grooves are arranged along the circumferential direction of the waterproof bolt, one end of each clamping piece penetrates through the outer wall of the sheath and is embedded into the corresponding clamping groove, and the clamping pieces are in interference fit with the corresponding clamping grooves.
The invention has the beneficial effects that: firstly, different from the existing waterproof bolt, the waterproof bolt in the application has different structures at two ends, one end is made into a shape adapting to the space between the first bulge part and the accommodating groove, and the end surface of the other end is provided with a groove, so that the assembly is not mistaken, and the assembly efficiency is improved;
furthermore, the waterproof bolt is firstly embedded between the first bulge part and the accommodating groove, then the end cover is covered, the second bulge part and the groove have the positioning function, so that the waterproof hole is aligned with the threading hole conveniently, the sealing performance is improved, and the first bulge part and the accommodating groove have the clamping function in the axial direction and the radial direction;
furthermore, set up the block groove on the lateral wall of waterproof plug, when fastener embedding block groove, to the waterproof plug of both sides have an extrusion force, like this, the waterproof plug is more even along the power that the sheath axial received, and is also bigger, compares in only providing radial ascending pressure by the sheath, and its sealing performance is better.
Drawings
Fig. 1 is a schematic longitudinal sectional view of a waterproof structure of an automobile connector of the present invention;
fig. 2 is a schematic longitudinal sectional view from another perspective of the waterproof structure of the automobile connector of the present invention;
fig. 3 is a schematic structural view of a waterproof structure of the automobile connector of the present invention;
description of reference numerals:
1. a sheath; 11. a threading channel; 12. a first boss portion;
2. an end cap; 21. threading holes; 22. a second boss portion;
3. a waterproof plug; 31. a waterproof hole; 32. a clamping groove; 33. a third boss portion;
4. a fastener;
5. a humidity sensor;
6. a temperature sensor.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: the waterproof bolt is in interference fit with the accommodating groove, and the clamping groove in the waterproof bolt is in interference fit with the clamping piece, so that sufficient pressure is provided in the radial direction and the axial direction to ensure the sealing performance.
Referring to fig. 1-3, a waterproof structure of an automotive connector includes a sheath 1, an end cap 2, a waterproof plug 3, and at least two engaging members 4; at least two threading channels 11 are arranged in the sheath 1, an accommodating groove is formed in the end face of one end of the sheath 1, one end of each threading channel 11 is communicated with the accommodating groove, and the other end of each threading channel 11 extends to the end part of the other end of the sheath 1; the end cover 2 is provided with at least two threading holes 21, and the end cover 2 is covered on an opening of the accommodating groove;
the waterproof bolt 3 is provided with at least two waterproof holes 31, the waterproof bolt 3 is arranged in the accommodating groove, the waterproof bolt 3 is in interference fit with the accommodating groove, and the threading channels 11, the waterproof holes 31 and the threading holes 21 are respectively arranged in a one-to-one correspondence manner;
a first bulge part 12 is arranged on the inner wall of the accommodating groove facing the end cover 2, the first bulge part 12 is arranged around the central axis of the sheath 1 and is inclined towards the central axis of the sheath 1, and the connecting hole of the threading channel 11 and the accommodating groove is positioned in the area enclosed by the first bulge part 12;
one surface of the end cover 2 facing the accommodating groove is provided with a second bulge part 22, and the second bulge part 22 is arranged around the central axis of the sheath 1 and extends along the axial direction of the sheath 1;
one end of the waterproof bolt 3 is abutted against the inner wall of the accommodating groove facing the end cover 2, and the end part of the end is positioned between the first bulge part 12 and the inner side wall of the accommodating groove;
the other end of the waterproof plug 3 is abutted to one surface, facing the accommodating groove, of the end cover 2, and a groove corresponding to the second bulge 22 is formed in the other end of the waterproof plug 3;
the side wall of the waterproof bolt 3 is provided with at least two clamping grooves 32, the clamping grooves 32 are arranged along the circumferential direction of the waterproof bolt 3, one end of the clamping piece 4 penetrates through the outer wall of the sheath 1 and is embedded into the clamping grooves 32, and the clamping piece 4 is in interference fit with the clamping grooves 32.
From the above description, the beneficial effects of the present invention are: firstly, different from the existing waterproof bolt, the waterproof bolt in the application has different structures at two ends, one end is made into a shape adapting to the space between the first bulge part and the accommodating groove, and the end surface of the other end is provided with a groove, so that the assembly is not mistaken, and the assembly efficiency is improved;
furthermore, the waterproof bolt is firstly embedded between the first bulge part and the accommodating groove, then the end cover is covered, the second bulge part and the groove have the positioning function, so that the waterproof hole is aligned with the threading hole conveniently, the sealing performance is improved, and the first bulge part and the accommodating groove have the clamping function in the axial direction and the radial direction;
furthermore, set up the block groove on the lateral wall of waterproof plug, when fastener embedding block groove, to the waterproof plug of both sides have an extrusion force, like this, the waterproof plug is more even along the power that the sheath axial received, and is also bigger, compares in only providing radial ascending pressure by the sheath, and its sealing performance is better.
Further, the end cap 2 is in threaded connection with the sheath 1.
As can be seen from the above description, the threaded connection is convenient to disassemble and assemble.
Further, the other end of the engaging member 4 is rotatably connected to the side wall of the end cap 2.
As can be seen from the above description, the engaging member 4 also serves as a fixed connection between the end cap 2 and the sheath 1 when the axial pressing force is applied to the waterproof plug 3, and the engaging member 4 serves as a similar snap structure between two components.
Further, the inner wall of the waterproof hole 31 is wavy.
Further, the inner wall of the waterproof hole 31 is uniformly provided with a third protruding portion 33, and the third protruding portion 33 is of a circular truncated cone structure.
As is apparent from the above description, the sealing performance is further improved by providing the third convex portion 33.
Further, the outer wall of the sheath 1 is provided with a humidity sensor 5, and the working end of the humidity sensor 5 is positioned in the threading channel 11.
As can be seen from the above description, the humidity of the threading passage 11 can be known by the humidity sensor 5, and measures can be taken in time when water leaks.
Further, the outer wall of the sheath 1 is provided with a temperature sensor 6, and the working end of the temperature sensor 6 is positioned in the threading channel 11.
As can be seen from the above description, the humidity of the threading passage 11 can be known by the temperature sensor 6, and measures can be taken in time when the temperature is abnormal.
Referring to fig. 1-3, a first embodiment of the present invention is:
a waterproof structure of an automobile connector comprises a sheath 1, an end cover 2, a waterproof bolt 3 and at least two clamping pieces 4; at least two threading channels 11 are arranged in the sheath 1, an accommodating groove is formed in the end face of one end of the sheath 1, one end of each threading channel 11 is communicated with the accommodating groove, and the other end of each threading channel 11 extends to the end part of the other end of the sheath 1; the end cover 2 is provided with at least two threading holes 21, the end cover 2 is covered on the opening of the accommodating groove, and the end cover 2 is in threaded connection with the sheath 1.
Be equipped with two at least waterproof holes 31 on the waterproof plug 3, waterproof plug 3 locates in the holding tank and waterproof plug 3 and holding tank interference fit, threading passageway 11, waterproof hole 31 and threading hole 21 one-to-one setting respectively, the inner wall in waterproof hole 31 is wavy, evenly be equipped with third bellying 33 on the inner wall in waterproof hole 31, third bellying 33 is the round platform structure.
A first bulge part 12 is arranged on the inner wall of the accommodating groove facing the end cover 2, the first bulge part 12 is arranged around the central axis of the sheath 1 and is inclined towards the central axis of the sheath 1, and the connecting hole of the threading channel 11 and the accommodating groove is positioned in the area enclosed by the first bulge part 12;
one surface of the end cover 2 facing the accommodating groove is provided with a second bulge part 22, and the second bulge part 22 is arranged around the central axis of the sheath 1 and extends along the axial direction of the sheath 1;
one end of the waterproof bolt 3 is abutted against the inner wall of the accommodating groove facing the end cover 2, and the end part of the end is positioned between the first bulge part 12 and the inner side wall of the accommodating groove;
the other end of the waterproof plug 3 is abutted to one surface, facing the accommodating groove, of the end cover 2, and a groove corresponding to the second bulge 22 is formed in the other end of the waterproof plug 3;
the side wall of the waterproof bolt 3 is provided with at least two clamping grooves 32, the clamping grooves 32 are arranged along the circumferential direction of the waterproof bolt 3, one end of each clamping piece 4 penetrates through the outer wall of the sheath 1 and is embedded into the corresponding clamping groove 32, the other end of each clamping piece 4 is rotatably connected with the side wall of the end cover 2, and the clamping pieces 4 are in interference fit with the clamping grooves 32.
The outer wall of sheath 1 is equipped with humidity transducer 5 and temperature sensor 6 respectively, humidity transducer 5 and temperature sensor 6's work end are located threading passageway 11.
In conclusion, the invention provides the waterproof structure of the automobile connector with good waterproof performance. Firstly, different from the existing waterproof bolt, the waterproof bolt in the application has different structures at two ends, one end is made into a shape adapting to the space between the first bulge part and the accommodating groove, and the end surface of the other end is provided with a groove, so that the assembly is not mistaken, and the assembly efficiency is improved;
furthermore, the waterproof bolt is firstly embedded between the first bulge part and the accommodating groove, then the end cover is covered, the second bulge part and the groove have the positioning function, so that the waterproof hole is aligned with the threading hole conveniently, the sealing performance is improved, and the first bulge part and the accommodating groove have the clamping function in the axial direction and the radial direction;
furthermore, set up the block groove on the lateral wall of waterproof plug, when fastener embedding block groove, to the waterproof plug of both sides have an extrusion force, like this, the waterproof plug is more even along the power that the sheath axial received, and is also bigger, compares in only providing radial ascending pressure by the sheath, and its sealing performance is better.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. A waterproof structure of an automobile connector comprises a sheath, an end cover and a waterproof bolt; at least two threading channels are arranged in the sheath, an accommodating groove is formed in the end face of one end of the sheath, one end of each threading channel is communicated with the accommodating groove, and the other end of each threading channel extends to the end part of the other end of the sheath; the end cover is provided with at least two threading holes and is covered on the opening of the accommodating groove, and the end cover is characterized by also comprising at least two clamping pieces;
the waterproof bolt is arranged in the accommodating groove, the waterproof bolt is in interference fit with the accommodating groove, and the threading channel, the waterproof hole and the threading hole are respectively arranged in a one-to-one correspondence manner;
the inner wall of the accommodating groove facing the end cover is provided with a first bulge part, the first bulge part is arranged around the central axis of the sheath and is inclined towards the central axis of the sheath, and the connecting hole of the threading channel and the accommodating groove is positioned in an area enclosed by the first bulge part;
one surface, facing the accommodating groove, of the end cover is provided with a second bulge, and the second bulge is arranged around the central axis of the sheath and extends along the axial direction of the sheath;
one end of the waterproof bolt is abutted against the inner wall of the accommodating groove facing the end cover, and the end part of the end is positioned between the first bulge part and the inner side wall of the accommodating groove;
the other end of the waterproof plug is abutted to one surface of the end cover facing the accommodating groove, and a groove corresponding to the second bulge is formed in the other end of the waterproof plug;
the side wall of the waterproof bolt is provided with at least two clamping grooves, the clamping grooves are arranged along the circumferential direction of the waterproof bolt, one end of each clamping piece penetrates through the outer wall of the sheath and is embedded into the corresponding clamping groove, and the clamping pieces are in interference fit with the corresponding clamping grooves.
2. The waterproof structure of the automobile connector according to claim 1, wherein the end cap is screwed with a sheath.
3. The waterproof structure of the automobile connector according to claim 1, wherein the other end of the engaging piece is rotatably connected to a side wall of the end cap.
4. The waterproof structure of an automobile connector according to claim 1, wherein an inner wall of the waterproof hole is wavy.
5. The waterproof structure of the automobile connector according to claim 4, wherein third protrusions are uniformly provided on an inner wall of the waterproof hole, and the third protrusions are of a truncated cone structure.
6. The waterproof structure of an automobile connector according to claim 1, wherein a moisture sensor is provided on an outer wall of the sheath, and a working end of the moisture sensor is located in the threading passage.
7. The waterproof structure of the automobile connector according to claim 1, wherein an outer wall of the sheath is provided with a temperature sensor, and a working end of the temperature sensor is located in the threading passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632894.0A CN109449653B (en) | 2018-12-29 | 2018-12-29 | Waterproof structure of automobile connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632894.0A CN109449653B (en) | 2018-12-29 | 2018-12-29 | Waterproof structure of automobile connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449653A CN109449653A (en) | 2019-03-08 |
| CN109449653B true CN109449653B (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811632894.0A Active CN109449653B (en) | 2018-12-29 | 2018-12-29 | Waterproof structure of automobile connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109449653B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2726184Y (en) * | 2004-08-19 | 2005-09-14 | 中国重型汽车集团有限公司 | Sealing protective sleeve for automobile |
| CN201741922U (en) * | 2010-07-30 | 2011-02-09 | 河南天海电器有限公司 | Waterproof structure used for automobile connector |
| CN202585918U (en) * | 2012-04-28 | 2012-12-05 | 美普盛（上海）商贸有限公司 | Portable waterproof general wire connector for automobile engine manager |
| CN203617479U (en) * | 2013-12-19 | 2014-05-28 | 宁波小熊电器有限公司 | A waterproof socket |
| JP2014175138A (en) * | 2013-03-08 | 2014-09-22 | Sumitomo Wiring Syst Ltd | Dummy rubber plug for waterproof connector |
| CN207556563U (en) * | 2017-11-20 | 2018-06-29 | 武汉恩卡普汽车检测技术有限公司 | For the fixing device and wagon detector of vehicle detection chip |
-
2018
- 2018-12-29 CN CN201811632894.0A patent/CN109449653B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2726184Y (en) * | 2004-08-19 | 2005-09-14 | 中国重型汽车集团有限公司 | Sealing protective sleeve for automobile |
| CN201741922U (en) * | 2010-07-30 | 2011-02-09 | 河南天海电器有限公司 | Waterproof structure used for automobile connector |
| CN202585918U (en) * | 2012-04-28 | 2012-12-05 | 美普盛（上海）商贸有限公司 | Portable waterproof general wire connector for automobile engine manager |
| JP2014175138A (en) * | 2013-03-08 | 2014-09-22 | Sumitomo Wiring Syst Ltd | Dummy rubber plug for waterproof connector |
| CN203617479U (en) * | 2013-12-19 | 2014-05-28 | 宁波小熊电器有限公司 | A waterproof socket |
| CN207556563U (en) * | 2017-11-20 | 2018-06-29 | 武汉恩卡普汽车检测技术有限公司 | For the fixing device and wagon detector of vehicle detection chip |
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| Publication number | Publication date |
|---|---|
| CN109449653A (en) | 2019-03-08 |
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