CN218558773U

CN218558773U - Automobile door control switch without damaging automobile body paint surface for bonding

Info

Publication number: CN218558773U
Application number: CN202222872242.2U
Authority: CN
Inventors: 靳祖岩; 张树森; 常忠华
Original assignee: Shandong Qifeng New Energy Automobile Co ltd
Current assignee: Shandong Qifeng New Energy Automobile Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-03
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a need not to destroy car door control switch that car body finish ground bond, install in the mounting hole of side wall planking, car door control switch include with mounting hole complex plug, be located the pressing member of plug tip, fix the bonding sheet to the plug, locate inside and with the ladder ejector pin of pressing member butt of plug, cup joint to the spring on the ladder ejector pin and fix the signal line to the ejector pin tip through the movable contact spring, the bonding sheet passes through bonding line connection with public bonding point, door extrusion pressing member is in order to drive the movable contact spring through the ladder ejector pin and remove and then make the movable contact break away from the bonding sheet along the extending direction of ladder ejector pin. By installing a bonding wire between the bonding sheet and the public bonding point, the bonding sheet is prevented from being abutted to the vehicle body and the vehicle body is prevented from being scraped with paint. Compared with a bonding sheet which is directly contacted with a metal plate of a vehicle body, the bonding wire is connected with the bonding sheet by the bonding wire, so that the bonding wire is stably connected with the tower iron sheet and has better conductivity.

Description

Automobile door control switch without damaging automobile body paint surface for bonding

Technical Field

The utility model belongs to the technical field of auto-parts, concretely relates to need not to destroy car body finish and carry out car door control switch that bonds.

Background

The automobile door control switch is arranged on an automobile side wall outer plate and mainly used for detecting the opening and closing state of an automobile door. When a driver controls the vehicle to run or locks the vehicle, the automobile door control switch provides the state of the vehicle door to the BCM (vehicle body control module) through a signal line, so that the BCM can conveniently make correct actions beneficial to safe driving.

One end of the automobile door control switch is connected with the BCM through a signal line, and the other end of the automobile door control switch is in contact connection with the automobile body metal plate through a bonding sheet. Traditional door control switch need be destroyed the automobile body lacquer painting before the installation or do to shield the mounting hole when painting and guarantee to expose the automobile body panel beating to in door control switch's bonding piece carries out the bonding with the automobile body panel beating, this kind of bonding mode is higher to coating process and mounting process requirement, and later stage mounting hole side rusts easily, hardly guarantees fully to bond.

SUMMERY OF THE UTILITY MODEL

To foretell not enough, the utility model provides a need not to destroy the car door control switch that the automobile body lacquer painting ground carried out bonding, through a bonding wire of installation between bonding piece and public bonding point, avoid bonding piece and automobile body butt and will scrape the lacquer to the automobile body. Compared with the bonding sheet, the bonding wire is connected with the bonding sheet and is directly contacted with the metal plate of the vehicle body, and the bonding wire is stably connected with the tower iron sheet and has better conductivity.

The utility model discloses a realize through following technical scheme:

the utility model provides a need not to destroy the automobile body finish and carry out the car door control switch that bonds, install in the mounting hole of side wall planking, car door control switch include with mounting hole complex plug, be located the press piece of plug tip, be fixed to the bonding strip of plug, locate inside and the ladder ejector pin of press piece butt of plug, cup joint to the spring on the ladder ejector pin and through the fixed signal line to the ejector pin tip of movable contact spring, the bonding strip passes through bonding wire with the public bonding point and is connected, door extrusion press piece is in order to drive the movable contact spring through the ladder ejector pin and remove and then make the movable contact break away from the bonding strip along the extending direction of ladder ejector pin, realize the transmission of door signal.

Furtherly, the bonding strap passes through the pencil fixer with the bonding strap to be connected, and the bonding strap includes the protective sheath of a plurality of strands of electrically conductive copper wire and the electrically conductive copper wire of parcel, and the pencil fixer is including the separated time portion that holds the first U-shaped fixed part of bonding strap, the second U-shaped fixed part that holds the electrically conductive copper wire and supply the electrically conductive copper wire coiling, and the bonding strap has the grafting piece of grafting to the separated time portion. The connection and fixation of the bonding wire and the bonding sheet are realized through the wire harness fixer.

Further, the two sides of the wire distributing part are provided with strip winding sheets abutted to the insertion sheets, the two strip winding sheets are all abutted to the insertion sheets to form conductive holes for accommodating conductive copper wires, the contact area of the conductive copper wires and the wire distributing part is increased, the stability of the conductive copper wires in connection of the wire distributing part is improved, and the stability of connection of the bonding wires and the bonding sheets is further improved.

Further, the first U-shaped fixing part is abutted with the protective sleeve and is an insulating piece and used for fixing the tower iron wire to the wire harness fixer; the second U-shaped fixing part is connected with the conductive copper wire in an abutting mode and is a conductive piece, and therefore the stability of conduction between the conductive copper wire and the bonding sheet is enhanced.

Further, L-shaped protective sleeves are sleeved on the outer sides of the wire harness fixing devices to protect bonding wires at the bending positions, and firmness of the wire harness fixing devices for fixing the bonding wires is improved.

Further, the ladder ejector pin includes first ladder pole and the second ladder pole that the diameter is greater than first ladder pole, and the bonding strap is seted up with first ladder pole complex through-hole, and first ladder pole tip passes through the fix with screw movable contact spring, and the diameter of movable contact spring is greater than the diameter of through-hole, cup joints the spring to first ladder pole respectively with second ladder pole and bonding strap butt. The ladder mandril moves along the extension direction of the ladder mandril to realize the communication and disconnection between the movable contact piece and the bonding piece.

Further, the pressing part includes the casing of fixed to plug top and the rubber sleeve top that is located the casing top, and rubber sleeve top and ladder ejector pin butt adopt the rubber top to help protecting the door.

Furthermore, the two sides of the plug are provided with inserting arms matched with the mounting holes so as to realize the connection and fixation of the automobile door control switch and the side wall outer plate.

Drawings

FIG. 1 is a schematic illustration of an exemplary embodiment of an automotive door control switch of the present invention installed for bonding without damaging the paint of the vehicle body;

FIG. 2 is a schematic connection diagram illustrating an exemplary embodiment of a door check switch for a vehicle that is grounded without damaging the paint of the vehicle body according to the present invention;

FIG. 3 is a partially enlarged view of the portion A in FIG. 2;

FIG. 4 is a side view of an exemplary embodiment of an automotive door control switch that is grounded without breaking the paint of the vehicle body in accordance with the present invention;

FIG. 5 is a cross-sectional view of an exemplary embodiment of an automotive door check switch that is grounded without breaking the paint of the vehicle body in accordance with the present invention;

FIG. 6 is a partial enlarged view of the portion B in FIG. 5;

FIG. 7 is a schematic diagram illustrating a cutaway view of a door control switch for an automobile that is bonded without damaging the paint of the automobile body;

FIG. 8 is a partially enlarged view of the portion C in FIG. 7;

FIG. 9 is a schematic diagram illustrating the internal structure of an exemplary embodiment of a door courtesy switch for an automobile that is grounded without breaking the paint of the automobile body according to the present invention;

FIG. 10 is a schematic diagram illustrating the internal structure of another exemplary embodiment of a door controlled switch for an automobile that is bonded without damaging the finish of the automobile body according to the present invention;

fig. 11 is a schematic view illustrating the connection between the bonding sheet and the wire harness holder according to the present invention.

Reference numerals:

1. the side wall outer plate, 2, a plug, 21, a plug arm, 3, a pressing piece, 31, a shell, 32, a rubber sleeve top head, 4, a bonding sheet, 41, a plug sheet, 42, a through hole, 5, a step ejector rod, 51, a spring, 52, a movable contact sheet, 53, a first step rod, 54, a second step rod, 55, a screw, 6, a signal wire, 7, a public bonding point, 8, a bonding wire, 9, a wiring harness fixer, 91, a first U-shaped fixing part, 92, a second U-shaped fixing part, 93, a branching part, 931, a strip coil sheet, 932, a conductive hole, 94 and an L-shaped protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms of orientation such as left, right, up, down, front and back in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, i.e. the traveling direction of the product, and should not be considered as limiting.

In addition, it should be noted that the dynamic terms such as "relative movement" mentioned in the embodiments of the present invention include not only a change in position but also a movement in which a state changes without a relative change in position such as rotation or rolling.

Finally, it will be understood that when an element is referred to as being "on" or "disposed of" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

As shown in fig. 1 to 11, the automobile door control switch which is capable of being grounded without damaging a paint surface of an automobile body is installed in an installation hole of a side wall outer plate 1, and comprises a plug 2 matched with the installation hole, a pressing piece 3 positioned at the end part of the plug 2, a grounding sheet 4 fixed to the plug 2, a step mandril 5 arranged inside the plug 2 and abutted against the pressing piece 3, a spring 51 sleeved on the step mandril 5 and a signal wire 6 fixed to the end part of the mandril through a movable contact piece 52, the grounding sheet 4 is connected with a public grounding point 7 through a grounding wire 8, the door presses the pressing piece 3 to drive the movable contact piece 52 to move along the extending direction of the step mandril 5 through the step mandril 5, so that the movable contact piece 52 is separated from the grounding sheet 4, and the transmission of a door signal is realized.

In one embodiment, when the automobile door control switch is installed, the bonding wire 8 and the bonding sheet 4 are firstly connected and fixed, and then the automobile door control switch is inserted into the installation hole of the side wall outer plate 1 through the plug 2. When the automobile door is about to be closed in use, the automobile door presses the pressing piece 3 to enable the pressing piece 3 to push the step mandril 5, further push the movable contact piece 52 to be separated from the bonding strip 4, and the state of the automobile door is fed back to the BCM through the signal wire 6. When the door is opened, the door releases the pressing action on the pressing piece 3, the step mandril 5 moves along the step mandril 5 in the direction away from the side wall outer plate 1 under the action of the spring 51 until the movable contact piece 52 positioned at the end part of the step mandril 5 is abutted against the bonding piece 4, at the moment, the bonding piece 4 with negative electricity is abutted against the movable contact piece 52 with positive electricity to form a loop, and the state of the door is transmitted to the BCM through the signal wire 6.

It should be noted that, have many places public bonding point 7 in the car, bonding sheet 4 is connected to public bonding point 7 through bonding wire 8 and is compared bonding sheet 4 through with the automobile body panel beating butt with intercommunication public bonding point 7, adopts bonding wire 8 and bonding sheet 4 to be connected, and connection stability is better and electric conductive property is better. And secondly, the bonding wires 8 are adopted to connect the bonding sheets 4, so that the work of scraping paint on the paint surface of the vehicle body is omitted, and the better protection on the vehicle body structure is facilitated.

Preferably, the bonding sheet 4 is connected with the bonding wire 8 through the wiring harness fixer 9, the bonding wire 8 comprises a plurality of strands of conductive copper wires and a protective sleeve wrapping the conductive copper wires, the wiring harness fixer 9 comprises a first U-shaped fixing part 91 for accommodating the bonding wire 8, a second U-shaped fixing part 92 for accommodating the conductive copper wires and a part dividing part 93 for winding the conductive copper wires, and the bonding sheet 4 is provided with an inserting sheet 41 inserted into the part dividing part 93. The connection and fixation of the bonding wire 8 and the bonding sheet 4 are realized through the wire harness fixer 9.

In one embodiment, the bonding wire 8 sequentially passes through the first U-shaped fixing portion 91, the second U-shaped fixing portion 92 and the branching portion 93, so that the connection and fixation between the harness fixer 9 and the bonding wire 8 are realized. The bonding wire 8 is split at one end of the wire harness fixing device 9, namely, the conductive copper wire and the protective sleeve are located on the first U-shaped fixing portion 91, and the protruded conductive copper wire is located on the second U-shaped fixing portion 92 and the branching portion 93.

Preferably, separated time portion 93 both sides are formed with the rectangular piece 931 that rolls up with insertion piece 41 butt, and two rectangular pieces 931 all form the electrically conductive hole 932 who holds electrically conductive copper wire with insertion piece 41 butt, increase the area of contact of electrically conductive copper wire and separated time portion 93, improve the stability that electrically conductive copper wire is connected at separated time portion 93, and then have promoted the stability that bond strap 8 and bond strap 4 are connected.

In one embodiment, after passing through the second U-shaped fixing portion, the conductive copper wire is divided into two strands of conductive copper wires at the branching portion 93, and the two strands of conductive copper wires are inserted into the two conductive holes 932 and wound around the strip 931. The area of contact of electrically conductive copper wire and pencil fixer 9 has been increased, and made in bond strap 8 is fixed to pencil fixer 9, helped promoting the stability that bond strap 8 and bonding pad 4 are connected.

Preferably, the first U-shaped fixing portion 91 abuts against the protective sheath and is an insulating member for fixing the tower iron wire to the harness holder 9; the second U-shaped fixing portion 92 is connected to the conductive copper wire and is a conductive member to enhance the stability of the conduction between the conductive copper wire and the bonding pad 4.

In one embodiment, after the bonding wire 8 is attached to the wire harness holder 9, both ends of the first U-shaped fixing portion 91 and the second U-shaped fixing portion 92 are pinched together using a tool such as pliers to bring both the first U-shaped fixing portion 91 and the second U-shaped fixing portion 92 into the O-fastening state. Wherein, the first U-shaped fixing part 91 extrudes the protective sleeve of the tower iron wire to fix the tower iron wire; the second U-shaped fixing portion 92 extrudes the conductive copper wire of the tower iron wire to increase the contact area of the conductive copper wire and the harness fixer 9, and improve the stability of the bonding wire 8 during conductive operation.

Preferably, the L-shaped protective sleeve 94 is sleeved outside the wire harness fixer 9 to protect the bonding wire 8 at the bending part, and the firmness of fixing the bonding wire 8 by the wire harness fixer 9 is improved.

Preferably, the stepped top bar 5 comprises a first stepped bar 53 and a second stepped bar 54 with a diameter larger than that of the first stepped bar 53, the bonding strip 4 is provided with a through hole 42 matched with the first stepped bar 53, the end part of the first stepped bar 53 fixes the movable contact strip 52 through a screw 55, the diameter of the movable contact strip 52 is larger than that of the through hole 42, and a spring 51 sleeved on the first stepped bar 53 is respectively abutted against the second stepped bar 54 and the bonding strip 4. The stepped jack 5 is moved in its extending direction to effect communication and disconnection between the movable contact piece 52 and the grounding piece 4.

In one embodiment, when the door is closed, the stepped push rod 5 presses the bonding piece 4 through the spring 51 to make the tower iron piece and the movable contact piece 52 in a disengaged state. When the vehicle door is opened, because the spring 51 which is positioned between the step iron sheet and the second step rod 54 and is sleeved on the first step rod 53 is in a compressed state, the second step rod 54 drives the whole step ejector rod 5 to move towards the direction far away from the step iron sheet along the extension direction of the step ejector rod 5 under the action of the spring 51 until the movable contact piece 52 positioned at the end part of the step ejector rod 5 is abutted against the step iron sheet.

Preferably, the pressing member 3 includes a housing 31 fixed above the plug 2 and a rubber bushing head 32 at the top of the housing 31, the rubber bushing head 32 abuts against the step mandril 5, and the rubber head is used for protecting the vehicle door.

Preferably, the plug 2 is provided with insertion arms 21 at two sides thereof, which are matched with the mounting holes, so as to realize the connection and fixation of the automobile door control switch and the side wall outer plate 1.

When the automobile door control switch which is not needed to damage the paint surface of the automobile body for bonding is adopted, the bonding wire 8 is arranged between the bonding sheet 4 and the public bonding point 7, so that the bonding sheet 4 is prevented from being abutted against the automobile body to scrape the paint on the automobile body. Compared with the bonding sheet 4 which is directly contacted with a vehicle body metal plate, the bonding wire 8 is connected with the bonding sheet 4 by adopting the bonding wire 8, and the bonding wire 8 is stably connected with the tower iron sheet and has better conductivity.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. The automobile door control switch is characterized in that the automobile door control switch comprises a plug matched with the mounting hole, a pressing piece located at the end part of the plug, an iron sheet fixed to the plug, a step ejector rod arranged inside the plug and abutted to the pressing piece, a spring sleeved on the step ejector rod and a signal wire fixed to the end part of the ejector rod through a movable contact strip, the iron sheet is connected with a public iron point through an iron bonding wire, and a door extrudes the pressing piece to drive the movable contact strip to move along the extension direction of the step ejector rod through the step ejector rod so as to enable the movable contact strip to be separated from the iron sheet.

2. The door control switch of the automobile, which is capable of being grounded without damaging a paint surface of an automobile body, according to claim 1, wherein the grounding sheet is connected with the grounding wire through a wiring harness fixer, the grounding wire comprises a plurality of strands of conductive copper wires and a protective sleeve wrapping the conductive copper wires, the wiring harness fixer comprises a first U-shaped fixing portion accommodating the grounding wire, a second U-shaped fixing portion accommodating the conductive copper wires and a branching portion for winding the conductive copper wires, and the grounding sheet is provided with an insertion sheet inserted into the branching portion.

3. The door control switch of the automobile, which is capable of being grounded without damaging the paint surface of the automobile body, as claimed in claim 2, wherein two sides of the line dividing part are formed with strip coils abutted with the insertion sheet, and both strip coils are abutted with the insertion sheet to form a conductive hole for accommodating the conductive copper wire.

4. The door control switch of the vehicle, which is capable of being grounded without damaging the paint surface of the vehicle body, as claimed in claim 2, wherein the first U-shaped fixing portion is an insulating member in abutment with the protective sheath, and the second U-shaped fixing portion is a conductive member in abutment with the conductive copper wire.

5. The door control switch of the vehicle, which is capable of being grounded without damaging the paint surface of the vehicle body, as claimed in claim 2, wherein an L-shaped protective sleeve is sleeved outside the wire harness holder.

6. The door control switch of the automobile, which is capable of being grounded without damaging the paint surface of the automobile body, according to claim 1, wherein the ladder top rod comprises a first ladder rod and a second ladder rod with a diameter larger than that of the first ladder rod, the grounding piece is provided with a through hole matched with the first ladder rod, the end part of the first ladder rod is fixed with the movable contact piece through a screw, the diameter of the movable contact piece is larger than that of the through hole, and the spring sleeved on the first ladder rod is respectively abutted against the second ladder rod and the grounding piece.

7. The door control switch of the automobile, which is grounded without damaging the paint surface of the automobile body, as claimed in claim 1, wherein the pressing member comprises a housing fixed above the plug and a rubber sleeve top head positioned on the top of the housing, and the rubber sleeve top head abuts against the step mandril.

8. The door control switch of an automobile, which is capable of being grounded without damaging the paint surface of the automobile body, according to claim 1, wherein the plug is provided with plug arms at both sides thereof, which are engaged with the mounting holes.