CN212105528U - High-sensitivity anti-deformation fastening and water-inflow-preventing automobile anti-pinch strip - Google Patents

Abstract

The utility model relates to a high sensitivity, deformation-preventing, fastening and water-inlet-preventing automobile anti-pinch strip, wherein two side walls of a fixed part of an anti-pinch strip body are respectively provided with a plurality of first fixed racks and a plurality of second fixed racks, the inclination angle of a head end section of each first fixed rack is larger than that of a root section of each first fixed rack, and at least one first fixed rack is contacted with the head of at least one second fixed rack in an unused state; a lip edge is arranged on one outer wall of the fixing part; the anti-pinch strip comprises an anti-pinch strip body and is characterized in that a trigger cavity is arranged at a trigger part of the anti-pinch strip body, an annular first conductor embedded with a first conductor is arranged on the inner wall of the trigger cavity, a second conductor embedded with a second conductor is arranged in the center of the trigger cavity, and the second conductor is connected with the first conductor through an insulating layer and is isolated by the insulating layer. The utility model discloses a car prevents that strip trigger angle from reaching 360, and sensitivity is high, and the leakproofness is good, and is fixed more firm, can prevent to warp.

Description

High-sensitivity anti-deformation fastening and water-inflow-preventing automobile anti-pinch strip

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of auto-parts, specifically speaking relates to a strip is prevented pressing from both sides by car that sensitivity is high, shape and fastening, prevent into water of preapring for an unfavorable turn of events.

[ background of the invention ]

For the automobile with the electric door and window, the automobile anti-pinch strip is an important accessory for improving the safety of the automobile and is used for preventing people and objects from being pinched by the electric door and window of the automobile. The anti-pinch principle of the automobile anti-pinch strip is as follows: when people and objects are clamped, the rubber of the automobile anti-pinch strip body deforms, the inner conductive material contacts to cause the circuit resistance value to change, and the computer control module is further triggered to stop the closing of the door and window. The car is prevented pressing from both sides the strip and is possessed and prevent pressing from both sides the function, still need to possess sealing performance, guarantees comfortable car internal environment. With the increase of consumption demand, people also correspondingly improve the performance of the automobile anti-pinch strip.

Patent document CN108915469A, published japanese patent No. 2018.11.30, discloses an automobile anti-pinch device convenient to mount, which includes an anti-pinch strip body; the anti-pinch strip body comprises a sealing part and a framework part; one side of the sealing part is fixedly connected with the framework part; the sealing part is provided with a first lead, a second lead, a conductor and a resistor; the first lead and the second lead are arranged in the electric conductor in a penetrating way; the conductor with the first lead is arranged at the upper end of the middle part of the sealing part, and the conductor with the second lead is arranged at the lower end of the middle part of the sealing part. The patent literature solves the technical problem that the automobile anti-pinch strip is complex to install. However, this type of anti-pinch strip for automobiles still has the following drawbacks: 1. when people or objects are clamped by the automobile door and window or the people or the objects touch and extrude the automobile door and window to only cause the deformation of two sides of the sealing part, the two electric conductors are difficult to contact and trigger the alarm, and the safety is insufficient; 2. its inside only one side of skeleton portion is equipped with prevents pressing from both sides the sand grip, and is limited with the fastening strength of door panel beating, takes place to deflect easily in the use, then can further influence the normal function of preventing pressing from both sides after taking place to deflect, and simultaneously, the car is prevented pressing from both sides the leakproofness between strip and the door panel beating not enough, still can take place the inside condition of intaking of skeleton portion and amasss the water with long-pending, prevents pressing from both sides strip and sheet metal component to the car and all has certain corrosive action.

To sum up, for the consumer demand that adapts to constantly improving, promote the security performance that the strip was prevented pressing from both sides by the car, when guaranteeing the security, optimize the car and prevent pressing from both sides the suitability of strip and automobile body part, the safe life who prolongs the strip is very necessary. However, no report on a car anti-pinch strip which is high in sensitivity, deformation-resistant, tight and waterproof is available at present.

[ summary of the invention ]

The utility model aims at providing a sensitivity is high, shape just fastens, prevents into water the car of preapring for an unfavorable turn of events and prevent pressing from both sides strip.

In order to achieve the purpose, the utility model adopts the technical proposal that:

an automobile anti-pinch strip with high sensitivity, deformation prevention, fastening and water inflow prevention is provided with an anti-pinch strip body, a sensing bunch, a bunch buckle, a wire sheath and a bunch plug connector, wherein the anti-pinch strip body is provided with a fixed part and a trigger part; the fixing part is U-shaped, the opening of the fixing part faces downwards, and a plurality of first fixing racks and a plurality of second fixing racks are respectively arranged on two side walls in the fixing part; the first fixed rack has a head end section with a larger inclination angle than a root section; in an unused state, at least one of the first fixed rack gears is in contact with a head of at least one of the second fixed rack gears; a lip edge is arranged on one outer wall of the fixing part; the trigger part is internally provided with a trigger cavity, the inner wall of the trigger cavity is provided with an annular first conductor embedded with a first lead, the center of the trigger cavity is provided with a second conductor, and the second conductor is connected with the first conductor through an insulating layer and is isolated by the insulating layer.

As a preferred example, when pressing prevent pressing the tong strip body, realize that the switching on of inner line, resistance are parallelly connected, arouse the change of electric current through the change of return circuit resistance, transmit the signal of change to the ECU of system, realize preventing pressing from both sides the function.

As another preferred example, the initial resistance of the internal circuit is: 10000 plus or minus 500 ohm, or 1000 plus or minus 50 ohm, or 5600 plus or minus 280 ohm; the trigger resistance is: less than or equal to 2000 ohm, or less than or equal to 100 ohm.

As another preferable example, the cross section of the second conductor is semicircular, the cross section of the insulating layer is rectangular, the bottom surface of the second conductor, which is a plane, is connected to the top surface of the insulating layer, and the bottom surface of the insulating layer is connected to the first conductor.

As another preferred example, the head end section of the first fixed rack is at an angle of 30-50 degrees relative to the side wall of the fixing part.

As another preferred example, the first fixed rack and the second fixed rack are both inclined toward the triggering portion.

As another preferable example, a U-shaped reinforcing rib is provided inside the fixing portion.

The utility model has the advantages that:

1. the utility model discloses a car anti-pinch strip presses and prevents that the strip body can realize that the conduction of internal line, resistance are parallelly connected, causes the change of electric current through the change of return circuit resistance, transmits the signal of change to the ECU of system, realizes tail gate/side sliding door/side door and prevents pressing from both sides the function, is particularly useful for the side sliding door; the first conductor is arranged around the trigger cavity in the trigger part, the second conductor is positioned in the center of the trigger cavity, and the first conductor and the second conductor are separated by the insulating layer, the structural design enables people or objects to contact the first conductor and the second conductor to brake the automobile door and window to be closed when the trigger part is extruded by any angle, the trigger angle reaches 360 degrees, and the anti-pinch function is more perfect and reliable;

2. the first fixed rack of the automobile anti-pinch strip body fixing portion is in contact with the head portion of the second fixed rack in the middle, so that clamping force on a car door sheet metal is increased, the included angle of the head end section of the first fixed rack relative to a vertical line is 30-50 degrees, the first fixed rack can be tightly attached to the side wall of the car door sheet metal after the car door sheet metal is squeezed into the car door sheet metal, the contact area of the first fixed rack and the car door sheet metal is increased, friction force is increased, and then falling or dislocation can be effectively prevented and controlled. Meanwhile, the first fixed rack and the second fixed rack are matched with the vehicle door metal plate more tightly, so that a closed space is formed at the fixing part, rainwater cannot enter the fixing part, and the fixing part and the metal plate cannot be corroded;

3. the fixed part is internally provided with a reinforcing rib, so that the strength of the fixed part is increased, and the fixed part is also limited in deformation.

Generally speaking, the utility model discloses a strip sensitivity is high is prevented pressing from both sides by the car, and the leakproofness is good, and is fixed more firm, still can prevent to warp.

[ description of the drawings ]

FIG. 1 is a schematic structural view of the anti-pinch strip of the car of the utility model, which has high sensitivity, anti-deformation, fastening and water-intake prevention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

FIG. 3 is a schematic view of the anti-pinch principle.

[ detailed description ] embodiments

The invention will be further described with reference to the following examples and with reference to the accompanying drawings.

The reference numerals and components referred to in the drawings are as follows:

1. anti-pinch strip body 2, sensing bunch

3. Wire harness buckle 4. lead sheath

5. Wire harness plug connector 10. injection molding end sealing

11. Fixed part 12, trigger part

111. First fixed rack 112, second fixed rack

113. Ribs 114. lip

121. Trigger cavity 122. first conductor

123. Second conductor 124 insulating layer

125. First conductor 126. second conductor

Example 1

Please refer to fig. 1, fig. 1 is a schematic structural view of a high-sensitivity, anti-deformation, fastening and water-ingress-proof anti-pinch strip for a vehicle according to the present invention. The automobile anti-pinch strip is provided with an anti-pinch strip body 1, and two ends of the anti-pinch strip body 1 are injection molding end closures 10. The automobile anti-pinch strip is further provided with a sensing wire harness 2, a wire harness buckle 3, a wire sheath 4 and a wire harness plug connector 5. Sensing bunch 2 is outside by one of them one end extension of preventing tong strip body 1, bunch buckle 3 and wire sheath 4 cup joint in sensing bunch 2 outsidely, bunch plug connector 5 is installed in sensing bunch 2's free end.

Referring to fig. 2, fig. 2 is a sectional view taken along line a-a of fig. 1. Prevent that tong strip body 1 is equipped with fixed part 11 and trigger part 12, fixed part 11 and trigger part 12 two link to each other. The fixing portion 11 is U-shaped with an opening facing downward, a first fixing rack 111 is disposed on one side wall of the fixing portion 11, and three second fixing racks 112 are disposed on the other side wall. The first fixed rack 111 is longer than the second fixed rack 112, the first fixed rack 111 and the second fixed rack 112 are both inclined toward the triggering portion 12, the inclination angle of the head end section of the first fixed rack 111 is larger than that of the root section thereof, and the angle of the head end section of the first fixed rack 111 relative to the side wall (i.e., the vertical line) of the fixing portion is 30-50 degrees. In the unused state, the first fixed rack 111 is in contact with the head of the second fixed rack 112 in the middle. A U-shaped reinforcing rib 113 is provided inside the fixing portion 11. One of the outer walls of the fixing portion 11 is further provided with a lip 114. The triggering part 12 is circular as a whole, and a triggering cavity 121 is arranged inside the triggering part; a first conductor 122 is arranged on the inner wall of the trigger cavity 121, and the first conductor 122 is annular and is fixed on the inner wall of the trigger cavity 121 in a surrounding manner; the center of the trigger cavity 121 is provided with a second conductor 123, the second conductor 123 is semicircular, the bottom surface of the second conductor 123, which is a plane, is connected with the first conductor 122 through an insulating layer 124 with a rectangular cross section, and the insulating layer 124 separates the first conductor 122 from the second conductor 123. The first conductor 122 and the second conductor 123 have embedded therein a first wire 125 and a second wire 126, respectively.

The outer wall of the trigger portion 12 is made of insulating rubber or insulating TPE material, the main body of the fixing portion 11 is made of insulating rubber or insulating TPE material, the first fixing rack 111 and the second fixing rack 112 are made of insulating rubber or insulating TPE material, the insulating layer 124 is made of insulating rubber or insulating TPE material, the first conductor 122 and the second conductor 123 are both made of conductive rubber or conductive TPE material, the first conductor 125 and the second conductor 126 are both metal wires, and the lip 114 is made of insulating rubber or insulating TPE material.

The principle of the automobile anti-pinch strip is as follows: prevent that the length of tong strip body 1 is moulded by tail-gate/side sliding door/side door and decide, prevent the embedded pencil of tong strip body 1, press and prevent that tong strip body 1 realizes switching on, the resistance of internal circuit is parallelly connected, through the change that the change of return circuit resistance arouses the change of electric current, gives the ECU of system with the signal transmission that changes, realizes that tail-gate/side sliding door/side door prevents pressing from both sides the function. Specifically, referring to fig. 3, the left side of the diagram is a schematic diagram of a controller, and a resistor is connected in series between the controllers to prevent infinite current when the left APS trigger resistor is infinitely close to 0, thereby protecting the system circuit. The initial resistance of the circuit may be: 10000 plus or minus 500 ohm, or 1000 plus or minus 50 ohm, or 5600 plus or minus 280 ohm; the trigger resistance may be: less than or equal to 2000 ohm, or less than or equal to 100 ohm.

The automobile anti-pinch strip is used in a PLG-tail door, a PSD-side sliding door and a side door system, is combined with corresponding parts such as an electric stay bar, a balance bar, an ECU control module, a touch sensor, a self-absorption lock or a self-absorption lock catch or a basic lock (low matching), a lock catch, a buzzer, related wire harnesses and wire drawing, other auxiliary accessories and the like in an anti-pinch system, and plays a role in safety protection.

The utility model discloses a when the strip was prevented pressing from both sides by the car specifically used, with fixed part 11 card on the door panel beating, lip limit 114 is located the inside position of car. At the moment, the first fixed rack 111 and the second fixed rack 112 are extruded at two sides of the vehicle door sheet metal, the head end section of the first fixed rack 111 is attached to the wall of the vehicle door sheet metal, and the head end section of the first fixed rack 111 and the second fixed rack 112 in the middle position clamp the vehicle sheet metal and have no gap residue. When the vehicle door is closed, if a person or an object is clamped, the triggering part 12 is pressed, so that the first conductor 122 and the second conductor 123 are contacted, and the computer control module is triggered, namely the vehicle-mounted computer stops the vehicle starting.

In this specification, the terms "upper", "lower", "top", "bottom", "inner", "outer", "vertical line", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. The utility model discloses a strip is prevented pressing from both sides by car, first electric conductor 122 sets up around triggering cavity 121 in its trigger part 12, second electric conductor 123 is located triggering cavity 121 central authorities, and first electric conductor 122 and second electric conductor 123 are kept apart by insulating layer 124, this kind of structural design makes people or thing can both make first electric conductor 122 and second electric conductor 123 contact and brake car door and window and close when the extrusion of arbitrary angle triggers the part, trigger angle reaches 360, prevent pressing from both sides the function perfect more reliably. The first fixed rack 111 of the fixing part 11 of the automobile anti-pinch strip body 1 is in contact with the head of the second fixed rack 112 in the middle, so that clamping force on an automobile door metal plate is increased, the included angle of the head end section of the first fixed rack 111 relative to a vertical line is 30-50 degrees, the head end section can be tightly attached to the side wall of the automobile door metal plate after being squeezed into the automobile door metal plate, the contact area of the head end section and the vertical line is increased, friction force is increased, and then falling or dislocation can be effectively prevented. Meanwhile, the first fixed rack 111 and the second fixed rack 112 are matched with the metal plate of the vehicle door more tightly, so that a closed space is formed at the fixing part, rainwater and the like cannot enter the fixing part 1, and the inside of the fixing part 1 and the metal plate cannot be corroded. The first fixed rack 111 and the second fixed rack 112 are inclined towards the triggering portion 12, so that the vehicle door metal plate can be conveniently squeezed in. The reinforcing rib 113 has an effect of increasing the strength of the fixing portion 11, and also has a certain effect of restricting deformation of the fixing portion 11, thereby preventing the fixing portion 11 from being twisted. The wiring harness buckle 3 is fixed on the vehicle door, leads are formed in the vehicle door in a walking mode through the mounting hole, and attractiveness is kept. The lead sheath 4 increases the protection effect on the lead and prevents damage. The utility model discloses a door safety control is applied to the car anti-pinch strip, and factor of safety is showing and is promoting to help the extension car to prevent the life of pinch strip.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims (5)

1. The automobile anti-pinch strip is high in sensitivity, anti-deformation, tight and water-inflow-proof, and is characterized by being provided with an anti-pinch strip body, a sensing wire harness, a wire harness buckle, a wire sheath and a wire harness plug connector, wherein the anti-pinch strip body is provided with a fixed part and a triggering part; the fixing part is U-shaped, the opening of the fixing part faces downwards, and a plurality of first fixing racks and a plurality of second fixing racks are respectively arranged on two side walls in the fixing part; the first fixed rack has a head end section with a larger inclination angle than a root section; in an unused state, at least one of the first fixed rack gears is in contact with a head of at least one of the second fixed rack gears; a lip edge is arranged on one outer wall of the fixing part; the trigger part is internally provided with a trigger cavity, the inner wall of the trigger cavity is provided with an annular first conductor embedded with a first lead, the center of the trigger cavity is provided with a second conductor, and the second conductor is connected with the first conductor through an insulating layer and is isolated by the insulating layer.

2. The anti-pinch strip of claim 1, wherein the second conductor has a semi-circular cross-section, the insulating layer has a rectangular cross-section, the second conductor has a planar bottom surface connected to a top surface of the insulating layer, and the insulating layer has a bottom surface connected to the first conductor.

3. The anti-pinch bar of claim 1, wherein the first stationary rack has a head section that is angled 30-50 degrees relative to the sidewall of the stationary portion.

4. The vehicle anti-pinch bar of claim 1, wherein the first and second fixed racks are each angled toward the trigger portion.

5. The anti-pinch strip of claim 1, wherein a U-shaped reinforcing rib is disposed inside the fixing portion.

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