CN108545038A - A kind of electrical firewall module of automobile and truck - Google Patents

Abstract

The invention discloses a kind of electrical firewall module of automobile, including：The side of annular base, the annular base is provided with the interior semicircle groove portion of lateral direction penetrating；It is located at the fire wall lid of the chassis outer side, the fire wall lid is provided with outer semicircle groove portion corresponding with the interior semicircle groove portion, and the outer semicircle groove portion is combined into the interior semicircle groove portion and target threads matched cable-through hole；Gasket is arranged between the fire wall lid and the pedestal；It is arranged in the cable-through hole and is threaded for being set in target the sealing drum on surface, the sealing drum includes the separately positioned interior sealing portion of inward-outward direction and outer seal portion, and the gasket is integrally formed and with the outer seal portion or the interior sealing portion at silent ring-type.One of sealing and gasket are integrally formed and annular in shape, the bad problem of fire wall sealing effect is efficiently solved.The invention also discloses a kind of automobiles including the electrical firewall module of above-mentioned automobile.

Description

A kind of electrical firewall module and truck for automobile

technical field

The present invention relates to the technical field of automobiles, and more specifically, relates to an electrical firewall module for automobiles, and also relates to a truck including the electrical firewall module for automobiles.

Background technique

According to the structural characteristics of heavy-duty truck commercial models, the electrical wiring harness of the whole vehicle is generally divided into chassis wiring harness and cab wiring harness, which is conducive to the convenience of vehicle manufacturing, after-sales maintenance and cost savings. The chassis wiring harness and the cab wiring harness need to be connected as one to ensure the realization of the electrical functions of the vehicle. At present, the two schemes used by factories in the industry are a scheme that uses a rubber sheath similar to the via sheath to directly pass through the sheet metal hole. The other is a design scheme using a firewall, which is used to complete the wiring harness connection while ensuring the safety and reliability of electrical functions, and the firewall scheme mainly plays the role of fixing the electrical connector. In the prior art, the sealing effect between the wire holes on the firewall and the cables is not good, and it is easy to cause water, dust, etc. to enter into the firewall.

To sum up, how to effectively solve the problem of poor sealing effect of the firewall is a problem urgently needed by those skilled in the art.

Contents of the invention

In view of this, the first object of the present invention is to provide an electrical firewall module for automobiles, which can effectively solve the problem of poor sealing effect of the firewall. The second object is to provide a truck comprising the above-mentioned electrical firewall module for automobiles.

In order to achieve the above object, the present invention provides the following technical solutions:

An electrical firewall module for automobiles, comprising: an annular base, one side of the annular base is provided with an inner semicircular groove that runs through transversely; The outer semicircular groove part corresponding to the inner semicircular groove part, the outer semicircular groove part and the inner semicircular groove part are combined to form a wire hole matching the target threading; the sealing gasket is arranged between the firewall cover and the between the ring-shaped bases; a sealing cylinder arranged in the wire passing hole and used to be sleeved on the target threading surface, the sealing cylinder includes an inner sealing part and an outer sealing part separately arranged in the inner and outer directions, and the sealing pad and the The outer sealing part or the inner sealing part is integrally formed in a closed ring shape.

According to the above-mentioned technical scheme, it can be known that when applying the electrical firewall module for automobiles, the annular base is installed on the outer surface of the front wall sheet metal of the cab, and the inner side of the middle cavity of the annular base is connected to the front wall sheet metal of the cab. Corresponding to the installation holes, then place the inner sealing part in the inner semicircular groove part, place the target thread in the groove formed by the inner sealing part, and extend to the middle cavity of the ring base, and place the gasket and the outer sealing part correspondingly, Then close the protective cover cover, and then firmly connect the firewall cover with the ring base. In the firewall module for automobile electrical appliances, a sealing cylinder is arranged at the wire passing hole, and the sealing cylinder is separated into two sealing parts inside and outside, so as to facilitate installation. In addition, one of the sealing parts and the sealing gasket are integrally formed in an annular shape, so as to seal between the annular base and the firewall cover along the circumferential direction, thereby effectively ensuring the sealing effect. To sum up, the automotive electrical firewall module can effectively solve the problem of poor sealing effect of the firewall.

Preferably, the middle cavity of the annular base is provided with partitions for dividing the middle cavity into a plurality of functional areas along the horizontal and vertical directions, and at least one of the functional areas is provided with an insertion slot for wiring harness connectors .

Preferably, the annular base includes an annular flat portion and a cylindrical annular portion disposed outside the annular flat portion along the middle edge of the annular flat portion, and the outer side of the cylindrical annular portion is connected to the firewall cover.

Preferably, the cylindrical annular portion is connected to the firewall cover through a spring buckle.

Preferably, a plurality of the wire passing holes are provided on one side of the annular base, and at least two of the wire passing holes have different diameters.

Preferably, a positive electrode terminal and a negative electrode terminal separated on two sides are arranged in the annular base.

Preferably, a protective cover covering the positive terminal is provided between the positive terminal and the firewall cover.

Preferably, the positive electrode terminal includes a terminal and a copper sheet sleeved on the terminal and electrically connected to the terminal, and the copper sheet is provided with three outlets.

In order to achieve the above-mentioned second objective, the present invention also provides a truck, which includes any of the above-mentioned electrical firewall modules for automobiles, and the electrical firewall modules for automobiles are fixedly installed on the front panel of the truck's cab. Since the above-mentioned electrical firewall module for automobiles has the above-mentioned technical effects, the truck having the electrical firewall module for automobiles should also have corresponding technical effects.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the schematic diagram of the explosion structure of the automobile electric firewall module provided by the embodiment of the present invention;

2 is an exploded schematic diagram of the overall structure of the automotive electrical firewall module provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the annular base provided by the embodiment of the present invention;

Fig. 4 is an exploded schematic diagram of an electrical firewall module for automobiles provided by an embodiment of the present invention.

The marks in the attached drawings are as follows:

Ring base 1, firewall cover 2, gasket 3, sealing cylinder 4, spacer part 5, spring buckle 6, positive terminal 7, negative terminal 8, protective cover 9, sealing ring 10, inner semicircular groove part 11, An annular flat plate portion 12 , a cylindrical annular portion 13 , an outer semicircular groove portion 21 , an inner sealing portion 41 , and an outer sealing portion 42 .

Detailed ways

The embodiment of the invention discloses an electrical firewall module for automobiles, which can effectively solve the problem of poor sealing effect of the firewall.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-Fig. 4, Fig. 1 is the exploded structural diagram of the electrical firewall module for automobile provided by the embodiment of the present invention; Fig. 2 is the exploded schematic diagram of the overall structure of the electrical firewall module for automobile provided by the embodiment of the present invention; Fig. 3 is A schematic diagram of the internal structure of the annular base provided by the embodiment of the present invention; FIG. 2 is an exploded schematic diagram of the electrical firewall module for automobiles provided by the embodiment of the present invention.

In a specific embodiment, this embodiment provides an electrical firewall module for automobiles, which includes an annular base 1 , a firewall cover 2 , a sealing gasket 3 and a sealing cylinder 4 .

Wherein the ring-shaped base 1, that is, the ring-shaped base 1 is ring-shaped, that is, the middle part forms a middle cavity that runs through the direction perpendicular to the ring. Considering the convenience of installation, the ring of the ring-shaped base 1 is preferably a square ring. The ring-shaped base 1 is used for It is installed on the outer surface of the cab front wall sheet metal, and is provided with a through hole in the cab front wall sheet metal to correspond to the middle cavity of the ring base 1 .

Wherein the firewall cover 2 cover is arranged on the outside of the base, that is, the cover is arranged on the end of the middle cavity of the annular base 1 away from the front wall sheet metal of the cab, and wherein the gasket 3 is arranged between the firewall cover 2 and the base, so as to seal the gasket 3 and the base. The connection between the firewall covers 2 is sealed to prevent fine particles such as water and dust from entering the middle cavity of the annular base 1 from the gap between the two. Wherein the firewall cover 2 is preferably a sheet metal structure.

An inner semicircular groove 11 penetrating transversely is arranged on one side of the annular base 1 , and an outer semicircular groove 21 corresponding to the inner semicircular groove 11 is arranged on the firewall cover 2 . When the firewall cover 2 is in a closed state, the outer semicircular groove part 21 and the inner semicircular groove part 11 are combined to form a wire passing hole matched with the target threading. Wherein through inside and outside means that one end extends to the middle cavity of the ring base 1 on one side of the ring base 1, and the other end extends to the transverse surface of the ring base 1, that is, the wire hole is perpendicular to the side and vertical Perpendicular to the ring base 1.

Wherein the sealing cylinder 4 is arranged in the wire passing hole and used to be sleeved on the target threading surface, so as to seal between the target threading and the wire passing hole. The sealing cylinder 4 includes an inner sealing part 41 and an outer sealing part 42 arranged separately along the inner and outer directions, wherein the inner sealing part 41 is arranged on the inner semicircular groove part 11 and is arranged correspondingly, and the outer sealing part 42 is arranged in the outer semicircular groove part 21 and Corresponding settings. Wherein the outer sealing part 42 is integrally formed with the gasket 3 and forms a ring, or the inner sealing part 41 and the gasket 3 are integrally formed and forms a ring, wherein the ring should be a closed ring. Take the outer sealing part 42 as an example, wherein the outer sealing part 42 is integrally formed with the sealing gasket 3 and forms a ring shape, which means that when the sealing gasket 3 extends to the wire passing hole, it is no longer in a broken state, but is connected to the outer sealing part 42, It is ensured that a gap is formed between the sealing gasket 3 and the outer sealing part 42 to ensure the sealing effect.

In this embodiment, when applying the electrical firewall module for automobiles, the ring-shaped base 1 is installed on the outer surface of the front wall of the cab, and the inner side of the ring-shaped base 1 is connected to the front wall of the cab. Corresponding to the installation holes, then place the inner sealing part 41 in the inner semicircular groove part 11, place the target thread in the groove formed by the inner sealing part 41, and extend to the middle cavity of the ring base 1, and place the sealing gasket correspondingly 3 and the outer sealing part 42, then close the cover of the protective cover 9, and then fix the firewall cover with the ring base 1. In the firewall module for automobile electrical appliances, a sealing cylinder 4 is provided at the wire passing hole, and the sealing cylinder 4 is separated into two sealing parts inside and outside, so as to facilitate installation. Moreover, one of the sealing parts is formed integrally with the gasket 3 and has a ring shape, so as to seal between the ring base 1 and the firewall cover 2 along the circumferential direction, thereby effectively ensuring the sealing effect. To sum up, the automotive electrical firewall module can effectively solve the problem of poor sealing effect of the firewall.

Further, for the convenience of connection, a wire harness connector is generally used for connection. Based on this, it is preferable that the middle cavity of the annular base 11 is provided with a spacer part 5 for dividing the middle cavity into multiple functional areas along the horizontal and vertical directions, and at least one of the functional areas is provided with an insertion slot for wiring harness connector insertion. . Among them, the functional area mainly includes the plug-in wiring harness connector, and of course it can also be the functional area for installing other functional components, such as fuses and diodes. Wherein the spacer part 5 is preferably formed integrally with the annular base 11, and may also be connected and fixed by a connecting piece. Wherein the specific shape and structure of the spacer part 5 is subject to the ability to isolate the functional area, such as can be arranged in a well field shape.

Further, the annular base 11 has a large middle cavity for installing various wire harness connectors for the convenience of installation. Based on this, it is preferred here that the annular base 1 includes an annular flat portion 12 and a cylindrical annular portion 13 disposed outside the annular flat portion 12 along the middle edge of the annular flat portion 12 , and the outer side of the cylindrical annular portion 13 is connected to the firewall cover 2 . Even if the cylindrical cavity of the cylindrical annular portion 13 is the above-mentioned middle cavity. Wherein the annular flat plate portion 12 protrudes outwards along the cylindrical annular portion 13, and bolt holes are provided at the four corners to facilitate the connection with the front panel of the cab by bolts. Wherein the ring base 1 is preferably approximately rectangular in shape as a whole. In order to ensure sealing, it is preferable to arrange a sealing ring 10 inside the annular flat plate portion 12 here. Here, it is preferable to connect the sealing ring 10 and the annular flat plate portion 12 through a copper sleeve, and the inside of the copper sleeve is perforated by bolts.

Further, the fixed connection between the cylindrical annular portion 13 and the firewall cover 2 can be connected by bolts or screws, but it is inconvenient to disassemble and assemble, and the connection is prone to failure, resulting in poor dustproof and waterproof effects. Based on this, it is preferable that the cylindrical annular portion 13 is connected with the firewall cover 2 through the spring buckle 6 , and specifically the two components are connected through the spring buckle 6 , and reference may be made to the prior art. In order to secure the connection, preferably only one spring buckle 6 is provided on the side where the above-mentioned wire passing hole is installed, and two spring buckles 6 are uniformly arranged on the remaining three sides.

Further, in order to improve the expandability of the connection and protect the connection adaptability, it is preferable to provide a plurality of said wire passing holes on one side of the ring base 1, and at least two wire passing holes have different diameters. In order to ensure that different requirements are met, each wire passing hole is arranged on one side of the ring base 1, which is beneficial to actual installation and wiring. Specifically, four wire passing holes with diameters of 60 mm, 30 mm, 20 mm and 15 mm can be provided. Correspondingly, each wire passing hole should be provided with the above-mentioned sealing cylinder 4, and the adjacent sealing cylinders 4 are all connected by the sealing gasket 3. Specifically, for example, the outer sealing portion 42 of each sealing cylinder 4 can be connected to each sealing gasket 3. They are integrally molded and connected successively to form a ring, which should be a closed ring.

Further, in order to ensure the connection, a positive terminal 7 and a negative terminal 8 are generally provided in the ring base 1. In order to avoid mutual interference, it is preferred here that the positive terminal 7 and the negative terminal 8 are separated in the ring base 1 The lateral sides of the chamber, as specified, can be arranged in different functional areas.

Further, considering that different components need to be installed in the cab, in order to ensure that the different components are electrically connected without interfering with each other to ensure installation needs, it is preferred that the positive terminal 7 is provided with three outlets, and in order to ensure safety, the positive terminal 7 is preferably provided here. A protective cover 9 covering the positive electrode terminal 7 is arranged between the terminal 7 and the firewall cover 2 . The specific structure of the positive terminal 7 can refer to the prior art. For the convenience of installation, the positive terminal 7 preferably includes a terminal and a copper sheet sleeved on the terminal and electrically connected to the terminal. Three outlets. Wherein, the copper sheet can be arranged in the form of a long strip in the hole on the binding post, and the three connecting ends are arranged sequentially along a straight line.

Based on the automotive electrical firewall module provided in the above-mentioned embodiments, the present invention also provides a truck, which includes any of the automotive electrical firewall modules in the above-mentioned embodiments, and the automotive electrical firewall module is fixedly installed in the driver's cab of the truck On the front wall sheet metal. Since the truck adopts the automotive electrical firewall module in the above embodiment, please refer to the above embodiment for the beneficial effect of the truck.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not 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. An electrical firewall module for automobiles, comprising: An annular base, one side of the annular base is provided with a transversely penetrating inner semicircular groove; A firewall cover arranged outside the annular base, the firewall cover is provided with an outer semicircular groove corresponding to the inner semicircular groove, and the outer semicircular groove and the inner semicircular groove are combined to form a target Threading hole matching; a gasket, arranged between the firewall cover and the annular base; A sealing cylinder arranged in the wire passing hole and used to be sleeved on the target threading surface, the sealing cylinder includes an inner sealing part and an outer sealing part separately arranged in the inner and outer directions, and the sealing gasket is connected with the outer sealing part or The inner sealing part is integrally formed and has a closed ring shape. 2. The electrical firewall module for automobiles according to claim 1, wherein the middle cavity of the annular base is provided with spacers for separating the middle cavity into a plurality of functional areas along the horizontal and vertical directions, at least one The functional area is provided with an insertion slot for insertion of a wire harness connector. 3. The electrical firewall module for automobiles according to claim 2, wherein the annular base comprises an annular flat portion and a cylindrical annular portion disposed outside the annular flat portion along the middle edge of the annular flat portion , the outer side of the cylindrical annular portion is connected to the firewall cover. 4 . The electrical firewall module for automobiles according to claim 3 , wherein the tubular annular portion is connected to the firewall cover through a spring buckle. 5 . 5 . The electrical firewall module for automobiles according to claim 4 , wherein a plurality of said wire passing holes are provided on one side of said annular base, and at least two of said wire passing holes have different diameters. 6 . 6 . The electrical firewall module for automobiles according to claim 5 , wherein a positive electrode terminal and a negative electrode terminal separated on both sides are arranged inside the annular base. 7 . 7. The electrical firewall module for automobiles according to claim 6, wherein a protective cover covering the positive terminal is provided between the positive terminal and the firewall cover. 8. The electrical firewall module for automobiles according to claim 7, wherein the positive terminal includes a terminal and a copper sheet sleeved on the terminal and electrically connected to the terminal, the copper On-chip setup along three pinouts. 9. A truck, comprising a cab front wall sheet metal, characterized in that it also includes the automotive electrical firewall module as claimed in any one of claims 1-8, the automotive electrical firewall module is fixedly installed on the On the front panel of the cab.