High-sealing-performance wire harness waterproof plug

Abstract

The utility model provides a wire harness waterproof bolt with high sealing performance, the wire harness waterproof bolt is matched with a wire harness mounting hole of a metal plate for installation, the wire harness waterproof bolt comprises a flexible bolt column and a first hard connecting seat, the outer side of the metal plate is provided with a second hard connecting seat, and the first hard connecting seat is detachably connected with the second hard connecting seat; wire passing holes are correspondingly formed in the center of the flexible bolt column, the center of the first hard connecting base and the center of the second hard connecting base, a plurality of sealing protruding rings are evenly arranged on the outer wall of the flexible bolt column and the inner walls of the wire passing holes, and the sealing protruding rings are parallel to one another and coaxial with the flexible bolt column. A connector is arranged at one end of the flexible bolt column and clamped into the first hard connecting base. The high-tightness wire harness waterproof plug has the advantages of scientific design, simple and convenient assembly, stable structure and good protection effect.

Description

Technical Field

[0001] The utility model relates to a wiring harness installation auxiliary mechanism, in particular to a wiring harness waterproof plug with high sealing performance. Background Art

[0002] With the improvement of the level of intelligence, automobile circuits are becoming more and more complicated. The wiring harness is one of the basic components of the automobile circuit. In order to facilitate the installation of the wiring harness, it is usually necessary to set a wiring harness installation hole on the car, and the automobile wiring harness is installed through the wiring harness installation hole. At the same time, in order to achieve sealing, waterproof and oil-proof effects, it is usually necessary to install a wiring harness waterproof plug between the wiring harness installation hole and the automobile wiring harness. There are many types of wiring harness waterproof plugs on the market, such as: a waterproof plug disclosed in Chinese patent CN219394550U; a waterproof plug for engine wiring harness plug disclosed in Chinese patent CN209112115U, and a car wiring harness waterproof plug disclosed in Chinese patent CN204289868U. Although the structural forms of these waterproof plugs are different, convex strips are set on the inner and outer sides of the waterproof plugs to achieve sealing, waterproof and oil-proof effects. The waterproof plug and the wiring harness installation hole cannot be fixedly connected. After a period of use, the waterproof plug is prone to displacement, affecting the sealing effect.

[0003] In order to solve the above problems, people have been seeking an ideal technical solution. Utility Model Content

[0004] The utility model aims to provide a highly sealed wire harness waterproof plug in view of the deficiencies in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A highly sealed wire harness waterproof plug, which is installed in cooperation with the wire harness mounting hole of the sheet metal, comprises a flexible bolt column and a first hard connection seat, a second hard connection seat is arranged on the outer side of the sheet metal, and the first hard connection seat and the second hard connection seat are detachably connected; wire passing holes are correspondingly provided at the centers of the flexible bolt column, the first hard connection seat and the second hard connection seat, a plurality of sealing convex rings are evenly provided on the outer wall of the flexible bolt column and the inner wall of the wire passing hole, and each sealing convex ring is parallel to each other and coaxial with the flexible bolt column; a connector is provided at one end of the flexible bolt column, and the connector is inserted into the first hard connection seat.

[0007] A first annular groove is arranged in the middle of the connecting head, and an annular limiting strip is extended from the side wall of the annular groove toward the middle of the annular groove. An annular connecting protrusion is arranged in the middle of the first hard connecting seat corresponding to the annular groove, and an annular limiting plate is extended from the lower end of the annular connecting protrusion. In the assembled state, the annular connecting protrusion is inserted into the annular groove, and the annular limiting plate is inserted between the annular limiting strip and the annular groove.

[0008] An annular baffle is arranged at the outer end of the first hard connection seat corresponding to the outer ends of the two joints. In the assembled state, the outer end of the connection head abuts against the annular baffle.

[0009] An annular connecting plate is provided at the outer end of the first rigid connecting seat, and an inner wall of the annular connecting plate is provided with an internal thread; the second rigid connecting seat includes an extension tube, the extension tube is coaxial with the wiring harness mounting hole, and an outer wall of the extension tube is provided with an external thread; the end of the extension tube is connected to an annular mounting plate, and a number of connecting holes are evenly arranged on the annular mounting plate. In the assembled state, the annular mounting plate is fixedly connected to the sheet metal, and the annular connecting plate and the extension tube are threadedly connected.

[0010] Each sealing convex ring is arranged obliquely, and the sealing convex ring is connected to the outer wall of the flexible bolt column and / or the inner wall of the wire hole through an inclined surface.

[0011] Compared with the prior art, the utility model has the beneficial effect that the utility model provides a high-sealing wire harness waterproof plug with the advantages of scientific design, simple assembly, stable structure and good protection effect. In the specific use process, the wire harness is installed in the wire hole of the flexible bolt, the flexible bolt is inserted into the wire harness installation hole, the first hard connection seat and the second hard connection seat are threadedly connected, and the flexible bolt is positioned by connecting the first hard connection seat and the second hard connection seat to avoid the flexible bolt from being offset and affecting the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0014] Figure 3 It is a structural schematic diagram of the utility model in a state of being assembled into a wiring harness mounting hole.

[0015] In the figure: 1. flexible bolt; 2. first hard connection seat; 3. sealing convex ring; 4. wire hole; 5. connector; 6. annular connection protrusion; 7. annular baffle; 8. annular connection plate; 9. second hard connection seat. DETAILED DESCRIPTION

[0016] The technical solution of the utility model is further described in detail below through specific implementation methods.

[0017] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. "Installed", "provided with", "connected", etc. can adopt conventional means in the prior art, such as: integral setting, snap-on installation, welding connection, adhesive connection, bolt connection, etc. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances, and suitable connection, setting or installation methods can be selected in the prior art.

[0018] like Figure 1-3 As shown, a high-sealing wire harness waterproof plug is installed in cooperation with the wire harness mounting hole of the sheet metal. The wire harness waterproof plug includes a flexible bolt post 1 and a first hard connecting seat 2. A second hard connecting seat 9 is provided on the outer side of the sheet metal. The first hard connecting seat 2 and the second hard connecting seat 9 are detachably connected; wire passing holes 4 are correspondingly provided in the centers of the flexible bolt post 1, the first hard connecting seat 2 and the second hard connecting seat 9, and a plurality of sealing convex rings 3 are evenly provided on the outer wall of the flexible bolt post 1 and the inner wall of the wire passing hole 4, and each sealing convex ring 3 is parallel to each other and coaxial with the flexible bolt post 1; a connector 5 is provided at one end of the flexible bolt post 1, and the connector 5 is inserted into the first hard connecting seat 2.

[0019] Specifically, the flexible bolt can be made of common flexible materials such as flexible polyurethane, and the first hard connection seat and the second hard connection seat can be made of hard plates, such as metal plates, plastic plates, etc.

[0020] During specific use, the wiring harness is installed in the wire hole of the flexible bolt, the flexible bolt is inserted into the wiring harness installation hole, the first hard connecting seat and the second hard connecting seat are threadedly connected, and the flexible bolt is positioned by connecting the first hard connecting seat and the second hard connecting seat to avoid the flexible bolt from being offset and affecting the sealing effect.

[0021] In one of the embodiments, a first annular groove is provided in the middle of the connecting head 5, and an annular limiting strip is extended from the side wall of the annular groove toward the middle of the annular groove. An annular connecting protrusion 6 is provided in the middle of the first hard connecting seat 2 corresponding to the annular groove, and an annular limiting plate is extended from the lower end of the annular connecting protrusion 6. In the assembled state, the annular connecting protrusion 6 is inserted into the annular groove, and the annular limiting plate is inserted between the annular limiting strip and the annular groove.

[0022] In one of the embodiments, an annular baffle 7 is provided at the outer end of the first rigid connection seat 2 corresponding to the outer ends of the two joints. In the assembled state, the outer end of the connector 5 abuts against the annular baffle 7 .

[0023] In one of the embodiments, an annular connecting plate 8 is provided at the outer end of the first rigid connecting seat 2, and an inner wall of the annular connecting plate 8 is provided with an internal thread; the second rigid connecting seat 9 includes an extension tube, the extension tube is coaxial with the wiring harness mounting hole, and an outer wall of the extension tube is provided with an external thread; the end of the extension tube is connected to an annular mounting plate, and a plurality of connecting holes are evenly provided on the annular mounting plate. In the assembled state, the annular mounting plate is fixedly connected to the sheet metal. Specifically, the annular connecting plate 8 and the extension tube are threadedly connected by bolts.

[0024] In one embodiment, each sealing convex ring 3 is tilted, and the sealing convex ring 3 is connected to the outer wall of the flexible bolt 1 and / or the inner wall of the wire hole 4 through an inclined surface. During the installation of the wiring harness and the waterproof plug, the sealing convex ring can be installed according to the tilt direction of the sealing convex ring to reduce the difficulty of installation.

[0025] The above embodiments can be combined with each other.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A highly sealed wire harness waterproof plug, which is installed in cooperation with a wire harness mounting hole of a sheet metal, and is characterized by: The wiring harness waterproof plug includes a flexible bolt column and a first hard connection seat, a second hard connection seat is arranged on the outer side of the sheet metal, and the first hard connection seat is detachably connected to the second hard connection seat; wire passing holes are correspondingly opened in the centers of the flexible bolt column, the first hard connection seat and the second hard connection seat, and a plurality of sealing convex rings are evenly arranged on the outer wall of the flexible bolt column and the inner wall of the wire passing hole, and each sealing convex ring is parallel to each other and coaxial with the flexible bolt column; a connector is arranged at one end of the flexible bolt column, and the connector is inserted into the first hard connection seat.

2. The high-sealing wire harness waterproof plug according to claim 1, characterized in that: A first annular groove is arranged in the middle of the connecting head, and an annular limiting strip is extended from the side wall of the annular groove toward the middle of the annular groove. An annular connecting protrusion is arranged in the middle of the first hard connecting seat corresponding to the annular groove, and an annular limiting plate is extended from the lower end of the annular connecting protrusion. In the assembled state, the annular connecting protrusion is inserted into the annular groove, and the annular limiting plate is inserted between the annular limiting strip and the annular groove.

3. The high-sealing wire harness waterproof plug according to claim 2, characterized in that: An annular baffle is arranged at the outer end of the first hard connection seat corresponding to the outer ends of the two joints. In the assembled state, the outer end of the connection head abuts against the annular baffle.

4. The high-sealing wire harness waterproof plug according to claim 3, characterized in that: An annular connecting plate is provided at the outer end of the first rigid connecting seat, and an inner wall of the annular connecting plate is provided with an internal thread; the second rigid connecting seat includes an extension tube, the extension tube is coaxial with the wiring harness mounting hole, and an outer wall of the extension tube is provided with an external thread; the end of the extension tube is connected to an annular mounting plate, and a number of connecting holes are evenly arranged on the annular mounting plate. In the assembled state, the annular mounting plate is fixedly connected to the sheet metal, and the annular connecting plate and the extension tube are threadedly connected.

5. The high-sealing wire harness waterproof plug according to claim 4, characterized in that: Each sealing convex ring is arranged obliquely, and the sealing convex ring is connected to the outer wall of the flexible bolt column and / or the inner wall of the wire hole through an inclined surface.

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