CN217468954U - Waterproof bolt of car wiring harness - Google Patents
Waterproof bolt of car wiring harness Download PDFInfo
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- CN217468954U CN217468954U CN202221667542.0U CN202221667542U CN217468954U CN 217468954 U CN217468954 U CN 217468954U CN 202221667542 U CN202221667542 U CN 202221667542U CN 217468954 U CN217468954 U CN 217468954U
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- wire harness
- bolt column
- bolt
- waterproof
- conical section
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Abstract
The utility model provides an automobile wire harness waterproof bolt, which comprises an outer bolt column and an inner bolt column, wherein the outer bolt column and the inner bolt column are respectively provided with a plurality of wire harness through holes, and the number and the positions of the wire harness through holes on the outer bolt column and the inner bolt column are in one-to-one correspondence; the inner bolt column comprises a cylindrical section and a conical section, the outer diameter of the inner end of the conical section is larger than that of the outer end of the conical section, the inner end of the conical section is connected with the cylindrical section, a conical cavity is arranged in the outer bolt column, and the shape and the specification of the conical cavity are adapted to those of the conical section; the inner wall of toper cavity is provided with the toper internal thread, the outer wall of circular cone section is provided with the toper external screw thread, the toper internal thread with the cooperation of toper external screw thread. In the use, every this waterproof bolt of car wiring harness sets up a plurality of pencil through-holes, can be used for many car wiring harnesses to connect, is favorable to reducing the quantity of waterproof bolt of car wiring harness, improves the installation effectiveness of waterproof bolt of car wiring harness.
Description
Technical Field
The utility model relates to a waterproof field of car wiring harness, specific theory has related to a waterproof bolt of car wiring harness.
Background
The automobile wire harness is a network main body of an automobile circuit, and the automobile circuit does not exist without the wire harness. In order to improve the waterproof property, the automobile wire harness is required to be threaded into the waterproof plug, and the waterproof plug not only can play roles of dust prevention, water prevention and oil prevention, but also can play a role of fixing the hole site threading. Particularly for the automobile engine part, the connection of the automobile wire harness is not to open the waterproof bolt, and the performance of the waterproof bolt has important significance for the normal operation of the automobile engine.
The current waterproof plug is of various types, such as: patent CN204289868U discloses a waterproof plug for automobile wire harness, which comprises a plug barrel, wherein the outer wall of the plug barrel is provided with a plurality of annular protrusions, the upper end of the plug barrel is provided with an integrally connected cylinder, and the cylinder is provided with a wire passing hole leading to the interior of the plug barrel; patent CN209112115U provides a waterproof plug for a wire harness plug of an engine, which includes a waterproof plug body, the waterproof plug body is of a cylindrical structure, and the lower bottom surface of the waterproof plug body is recessed inwards to form a wire harness hole for wire harness insertion; the outer seal ring that waterproof plug body excircle face integrated into one piece has a plurality of evagination is encircleed at waterproof plug body upper segment interval, forms between two adjacent outer seal rings along the seal groove, and the seal groove is the U-shaped along waterproof plug radial cross-section, and integrated into one piece has the bellying on the waterproof plug body up end, and the bellying is C type structure, and the last top surface of C type structure is the cambered surface. The two waterproof structures of the automobile wire harness are similar, and the automobile wire harness can be used for the automobile wire harness. However, the waterproof plug of this structure also has certain drawbacks, such as: each waterproof bolt can be connected with only one automobile wire harness, and a large number of waterproof bolts are needed to be adopted if more automobile wire harnesses need to be connected, so that the automobile wire harness connecting structure is very inconvenient; in addition, the outer surface of the waterproof bolt is provided with a plurality of annular bulges, grooves are formed among the annular bulges, the grooves are clamped into corresponding hole positions during installation, the annular bulges are small and are not beneficial to sealing and waterproofing, and the larger annular bulges are difficult to penetrate through the connecting holes.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waterproof bolt of car wiring harness to the not enough of prior art.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is:
an automobile wire harness waterproof bolt comprises an outer bolt column and an inner bolt column, wherein a plurality of wire harness through holes are respectively formed in the outer bolt column and the inner bolt column, and the number and the positions of the wire harness through holes in the outer bolt column and the inner bolt column are in one-to-one correspondence; the inner bolt column comprises a cylindrical section and a conical section, the outer diameter of the inner end of the conical section is larger than that of the outer end of the conical section, the inner end of the conical section is connected with the cylindrical section, a conical cavity is arranged in the outer bolt column, and the shape and the specification of the conical cavity are adapted to those of the conical section; the inner wall of toper cavity is provided with the toper internal thread, the outer wall of circular cone section is provided with the toper external screw thread, the toper internal thread with the cooperation of toper external screw thread.
Based on the above, the outer surfaces of the outer and inner studs are respectively provided with annular sealing protrusions.
Based on the above, the included angle between the annular sealing bulge and the outer surface of the outer bolt column is an acute angle.
Based on the above, the projection part of the annular sealing bulge on the inner bolt is overlapped with the conical section.
Based on the above, the respective harness through-holes are evenly arranged around the center of the outer/inner plug.
Based on the above, a plurality of arc-shaped protrusions are uniformly arranged on the inner wall of the wire harness through hole, gaps are reserved among the arc-shaped protrusions, and the arc-shaped protrusions and the inner wall of the wire harness through hole are in smooth transition.
Based on the above, the cone section/the cone cavity away from the wire harness through hole is provided with a wedge-shaped necking.
Compared with the prior art, the utility model has the beneficial effect of do, the utility model provides a waterproof bolt of car wiring harness, in the use, every this waterproof bolt of car wiring harness sets up a plurality of pencil through-holes, can be used for many car wiring harnesses to connect, is favorable to reducing the quantity of waterproof bolt of car wiring harness, improves the installation effectiveness of waterproof bolt of car wiring harness. In addition, the vehicle wiring harness waterproof bolt is composed of an outer bolt column and an inner bolt column, when the vehicle wiring harness waterproof bolt is installed, a cylindrical part of the outer bolt column can firstly penetrate through a wire hole in a plate (a certain part of an automobile), a cap peak of the outer bolt column cannot penetrate through the wire hole and is left on one side of the wire hole, the inner bolt body is located on the other side of the wire hole, a conical section of the inner bolt body is in threaded connection with a conical cavity of the outer bolt column, and in an assembling state, the inner side of the cap peak of the outer bolt column and the inner side of the cylindrical section of the inner bolt are tightly attached to the plate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic bottom view of the inner plug of the present invention.
Fig. 3 is a schematic top view of the outer plug of the present invention.
Fig. 4 is a schematic sectional structure of the present invention.
In the figure: 1. an inner bolt; 2. an outer bolt column; 3. a conical section; 4. a cylindrical section; 5. a tapered cavity; 6. a wire harness through hole; 7. an annular sealing protrusion; 8. a wedge-shaped necking; 9. an arc-shaped bulge; 10. a tapered internal thread; 11. a tapered external thread.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "mounted," "provided," "connected," and the like may be by means conventional in the art, such as: integral arrangement, clamping installation, welding connection, bonding connection, bolt connection and the like. The specific meaning of the above terms in the present invention can be understood in a specific case and suitable connection, arrangement or mounting means can be selected in the prior art for a person skilled in the art.
As shown in fig. 1-4, an automobile wire harness waterproof bolt comprises an outer bolt 2 and an inner bolt 1, wherein a plurality of wire harness through holes 6 are respectively arranged on the outer bolt 2 and the inner bolt 1, and the number and the positions of the wire harness through holes 6 on the outer bolt 2 and the inner bolt 1 are in one-to-one correspondence; the inner bolt column 1 comprises a cylindrical section 4 and a conical section 3, the outer diameter of the inner end of the conical section 3 is larger than that of the outer end of the conical section 3, the inner end of the conical section 3 is connected with the cylindrical section 4, a conical cavity 5 is arranged inside the outer bolt column 2, and the shape and specification of the conical cavity 5 are matched with those of the conical section 3; the inner wall of toper cavity 5 is provided with toper internal thread 10, the outer wall of cone section 3 is provided with toper external screw thread 11, toper internal thread 10 with toper external screw thread 11 cooperatees. Specifically, the outer bolt 2 is integrally cylindrical, a brim is arranged at one end of the outer bolt, the conical cavity 5 is arranged in the cylindrical inner part, the outer diameter of the cylindrical outer part is matched with the inner diameter of the wire hole, the outer diameter size, the length and the like of the inner bolt 2 and the outer bolt 2 can be set to different specifications according to requirements in the production process, and the materials can be conventional rubber materials.
In the use, every this waterproof bolt of car wiring harness sets up a plurality of pencil through-holes 6, can be used for many car wiring harnesses to connect, is favorable to reducing the quantity of waterproof bolt of car wiring harness, improves the installation effectiveness of waterproof bolt of car wiring harness. In addition, the vehicle wiring harness waterproof bolt is composed of an outer bolt column 2 and an inner bolt column 1, when the vehicle wiring harness waterproof bolt is installed, a cylindrical part of the outer bolt column 2 can firstly penetrate through a wire hole in a plate (a certain part of an automobile), a cap peak of the outer bolt column cannot penetrate through the wire hole and is left on one side of the wire hole, an inner bolt body is located on the other side of the wire hole, a conical section of the inner bolt body is in threaded connection with a conical cavity 5 of the outer bolt column 2, and in an assembling state, the inner side of the cap peak of the outer bolt column 2 and the inner side of a cylindrical section 4 of the inner bolt are tightly attached to the plate.
In one embodiment, the outer surfaces of the outer stud 2 and the inner stud 1 are respectively provided with an annular sealing protrusion 7 (the annular sealing protrusion 7 of the outer stud 2 is positioned on the inner side of the brim of the hat, the annular sealing protrusion 7 of the inner stud 1 is positioned on the inner side of the cylindrical section 4 of the inner stud 1, and in particular, with reference to fig. 4), the included angle between the annular sealing protrusion 7 and the outer surface of the outer stud 2 is an acute angle, so that the sealing effect is improved; the projection part of the annular sealing bulge 7 on the inner bolt 1 is overlapped with the conical section 3, so that the annular sealing bulge 7 is extruded after being screwed down, the annular sealing bulge is tightly attached to a plate, and the sealing effect of the annular sealing bulge on the wire hole of the plate is improved.
In one embodiment, the number of the harness insertion holes 6 is 4, and the harness insertion holes 6 are uniformly arranged around the center of the outer/inner plug 2/1.
In one embodiment, a plurality of arc-shaped protrusions 9 are uniformly arranged on the inner wall of the wire harness through hole 6, a gap is reserved between the arc-shaped protrusions 9, and the arc-shaped protrusions 9 and the inner wall of the wire harness through hole 6 are in smooth transition, so that the passing resistance of an automobile wire harness is reduced.
In one embodiment, a wedge-shaped necking 8 is arranged at one end of the conical section 3/the conical cavity 5, which is far away from the wire harness through hole 6, so that two ends of the waterproof bolt wire harness through hole 6 are tightly attached to the automobile wire harness, and the sealing effect of the waterproof bolt wire harness through hole and the automobile wire harness is improved.
The above embodiments may be combined with each other.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: modifications can still be made to the embodiments of the invention or equivalents may be substituted for some of the features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. The utility model provides a waterproof bolt of car wiring harness which characterized in that: the wire harness connecting device comprises an outer bolt column and an inner bolt column, wherein a plurality of wire harness through holes are respectively formed in the outer bolt column and the inner bolt column, and the number and the positions of the wire harness through holes in the outer bolt column and the inner bolt column are in one-to-one correspondence; the inner bolt column comprises a cylindrical section and a conical section, the outer diameter of the inner end of the conical section is larger than that of the outer end of the conical section, the inner end of the conical section is connected with the cylindrical section, a conical cavity is arranged in the outer bolt column, and the shape and specification of the conical cavity are adapted to those of the conical section; the inner wall of toper cavity is provided with the toper internal thread, the outer wall of circular cone section is provided with the toper external screw thread, the toper internal thread with the cooperation of toper external screw thread.
2. The waterproof plug for automotive wire harness according to claim 1, characterized in that: and annular sealing bulges are respectively arranged on the outer surfaces of the outer bolt column and the inner bolt column.
3. The waterproof plug for automotive wire harness according to claim 2, characterized in that: the included angle between the annular sealing bulge and the outer surface of the outer bolt column is an acute angle.
4. The waterproof plug for automotive wire harness according to claim 3, characterized in that: the projection part of the annular sealing bulge on the inner bolt column is overlapped with the conical section.
5. The waterproof plug for automotive wire harness according to any one of claims 1 to 4, characterized in that: the wire harness through holes are uniformly distributed around the center of the outer/inner plug.
6. The waterproof plug for automotive wire harness according to any one of claims 1 to 4, characterized in that: the inner wall of the wire harness through hole is uniformly provided with a plurality of arc-shaped bulges, gaps are reserved among the arc-shaped bulges, and the arc-shaped bulges and the inner wall of the wire harness through hole are in smooth transition.
7. The waterproof plug for automotive wire harness according to any one of claims 1 to 4, characterized in that: the conical section/the conical cavity far away from the wire harness through hole is provided with a wedge-shaped necking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221667542.0U CN217468954U (en) | 2022-06-30 | 2022-06-30 | Waterproof bolt of car wiring harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221667542.0U CN217468954U (en) | 2022-06-30 | 2022-06-30 | Waterproof bolt of car wiring harness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217468954U true CN217468954U (en) | 2022-09-20 |
Family
ID=83240016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221667542.0U Active CN217468954U (en) | 2022-06-30 | 2022-06-30 | Waterproof bolt of car wiring harness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217468954U (en) |
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2022
- 2022-06-30 CN CN202221667542.0U patent/CN217468954U/en active Active
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