Microswitch wire harness with insulation injection molding protective shell

Abstract

The utility model relates to the field of automobile wire harnesses. A microswitch wire harness with an insulation injection molding protective shell comprises a microswitch and a wire, a shell of the microswitch is provided with a positioning protrusion and a positioning hole penetrating front and back, and the wiring end of the microswitch is connected with the wiring end of the wire; an insulation injection molding protective shell is locally formed outside a shell of the microswitch in an injection molding mode, and the insulation injection molding protective shell wraps the wiring position of the microswitch and the wire. A touch end of the microswitch is exposed out of the insulation injection molding protective shell; a mounting rack is further included, the mounting rack comprises a U-shaped bending piece, the end portion of the U-shaped bending piece is provided with a U-shaped notch for clamping the positioning protrusion, the front side and the rear side of the U-shaped bending piece are provided with butt joint holes right opposite to the round holes, and the U-shaped bending piece is connected with the insulation injection molding protective shell through bolts penetrating through the round holes and the butt joint holes; the U-shaped bending piece is connected with the mounting plate, and a mounting hole is formed in the mounting plate. According to the utility model, the insulation protection performance is improved.

Description

Technical Field

[0001] The utility model relates to the field of automobile wiring harnesses, in particular to a micro switch wiring harness. Background Art

[0002] The connection between the micro switch and the wire is often fixed with a heat shrink tubing for insulation and protection, which is not conducive to ensuring the waterproof insulation protection effect.

[0003] Based on the above problems, publication number CN217281366U discloses a waterproof switch wire assembly, which connects several wire harnesses to several micro switches; the connection between the wire harness and the micro switch is sealed by injection molding; and the connection between the wire harness and the micro switch will not cause safety hazards due to spraying or water immersion.

[0004] The above-mentioned drawback is that the connection between the wiring harness and the micro switch is sealed by injection molding alone, which is not conducive to ensuring the protective effect and cannot achieve fixed support for the micro switch. Utility Model Content

[0005] In response to the problems existing in the prior art, the utility model provides a micro switch wiring harness with an insulating injection-molded protective shell, which solves at least one of the above technical problems.

[0006] The technical solution of the utility model is: a micro switch wiring harness with an insulating injection-molded protective shell, comprising a micro switch and a wire, wherein the housing of the micro switch is provided with a positioning protrusion, and the housing of the micro switch is provided with a positioning hole extending through the front and rear, and wherein the connection terminal of the micro switch is connected to the connection terminal of the wire;

[0007] An insulating injection-molded protective shell is partially injection-molded on the outer portion of the housing of the micro switch, and the insulating injection-molded protective shell covers the connection point between the micro switch and the wire;

[0008] The touch end of the micro switch is exposed outside the insulating injection-molded protective shell;

[0009] The insulating injection-molded protective shell is provided with a circular hole extending through the front and rear, the inner diameter of the circular hole is smaller than the inner diameter of the positioning hole, and the circular hole is concentric with the central axis of the positioning hole;

[0010] The mounting bracket further comprises a U-shaped bent member, wherein the end of the U-shaped bent member is provided with a U-shaped notch for engaging the positioning protrusion, and the front and rear sides of the U-shaped bent member are provided with docking holes facing the circular hole, and the U-shaped bent member is connected to the insulating injection-molded protective shell by bolts passing through the circular hole and the docking holes;

[0011] The mounting frame also includes a mounting plate, which is connected to the top of the U-shaped bending part. A mounting hole is opened on the mounting plate, and the central axis direction of the mounting hole is perpendicular to the central axis direction of the circular hole.

[0012] The utility model realizes the integration of the micro switch and the wire through optimization, thereby improving the insulation protection performance of the connection between the micro switch and the wire.

[0013] Further preferably, the touch end of the micro switch and the connection end of the micro switch are arranged one above the other.

[0014] Further preferably, the connection terminals of the micro switch correspond to the connection terminals of the wires in a one-to-one manner and are welded together.

[0015] Further preferably, the insulating injection-molded protective shell includes a protective portion located at the connection between the micro switch and the wire, and the width of the protective portion in the left-right direction decreases from top to bottom.

[0016] Further preferably, the mounting plate includes a first supporting portion and a second supporting portion, and the first supporting portion and the second supporting portion have different heights;

[0017] The first supporting portion and the second supporting portion are both provided with the mounting hole;

[0018] The first supporting portion and the second supporting portion are arranged horizontally.

[0019] Further preferably, the micro switch is provided with two wiring terminals, and the wire is provided with lead wires for connecting to the wiring terminals of the micro switch.

[0020] Further preferably, one end of the wire away from the micro switch is fixedly connected to a connector.

[0021] It is convenient to connect to other counterparts through connectors.

[0022] Further preferably, the U-shaped bending member includes a front bending portion and a rear bending portion arranged front and back, and the left ends of the front bending portion and the rear bending portion are connected by a connecting portion;

[0023] The length of the front bending portion in the left-right direction is greater than the length of the rear bending portion in the left-right direction, the right end of the front bending portion is provided with the U-shaped notch, the right end of the U-shaped notch is open, and the U-shaped notch passes through the front bending portion front and back.

[0024] Further preferably, the top of the front bent portion is connected to the mounting plate.

[0025] Beneficial effects: The utility model provides a micro switch wiring harness with small size, high sealing performance and strong environmental resistance. It has a light touch feeling, high and low temperature resistance, and meets IP67 and IP6K9K reliability protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural diagram of a specific embodiment 1 of the present utility model;

[0027] Figure 2 This is a structural diagram of another embodiment of the present invention from another perspective;

[0028] Figure 3 This is a structural schematic diagram of a mounting bracket according to a specific embodiment 1 of the present utility model;

[0029] Figure 4 This is a schematic diagram of the micro switch of the first embodiment of the present invention after being connected to the wire.

[0030] In the figure: 1 is a micro switch, 2 is a wire, 3 is a mounting bracket, 4 is an insulating injection-molded protective shell, 11 is a touch end, 12 is a positioning protrusion, 31 is a U-shaped bending bracket, 32 is a mounting plate, 33 is a mounting hole, 34 is a U-shaped notch, 35 is a bolt, and 41 is a round hole. DETAILED DESCRIPTION

[0031] See also Figures 1 to 4 Specific embodiment 1, a micro switch wiring harness with an insulating injection molded protective shell, including a micro switch 1 and a wire 2, a positioning protrusion 12 is provided on the shell of the micro switch, and a positioning hole is opened on the shell of the micro switch, and the terminal of the micro switch 1 is connected to the terminal of the wire 2; an insulating injection molded protective shell is partially injection molded on the outer surface of the micro switch shell, and the insulating injection molded protective shell covers the connection point between the micro switch and the wire; the touch end of the micro switch is exposed to the insulating injection molded protective shell; a circular hole is opened on the insulating injection molded protective shell, and the inner diameter of the circular hole 41 is smaller than the inner diameter of the positioning hole. The circular hole 41 is concentric with the central axis of the positioning hole; the mounting bracket 3 is further provided, comprising a U-shaped bent member 31, the end of which is provided with a U-shaped notch 34 for engaging the positioning protrusion 42, and the front and rear sides of the U-shaped bent member 31 are provided with docking holes directly opposite the circular hole 41. The U-shaped bent member 31 is connected to the insulating injection-molded protective shell 4 by bolts 35 passing through the circular hole 41 and the docking holes; the mounting bracket 3 also comprises a mounting plate 32, which is connected to the top of the U-shaped bent member 31 and has a mounting hole 33 formed thereon, the central axis of which is perpendicular to the central axis of the circular hole 41. The present utility model achieves the integration of the micro switch 1 and the wire 2 through optimization, thereby improving the insulation protection performance at the connection point between the micro switch 1 and the wire 2.

[0032] The positioning holes and the positioning protrusions are arranged on the left and right. The round holes and the positioning protrusions are arranged on the left and right.

[0033] The contact terminal 11 of the microswitch 1 is positioned above the connection terminal of the microswitch 1. The connection terminals of the microswitch 1 correspond to the connection terminals of the wire 2 and are welded together. The insulating injection-molded protective shell 4 includes a protective portion located at the connection between the microswitch 1 and the wire 2. The width of the protective portion decreases from top to bottom.

[0034] The mounting plate 32 includes a first supporting portion and a second supporting portion. The first supporting portion and the second supporting portion have different heights. The first supporting portion and the second supporting portion are both provided with mounting holes 33 . The first supporting portion and the second supporting portion are arranged horizontally.

[0035] The micro switch 1 is provided with two wiring terminals, and the wire 2 is provided with lead wires for connecting to the wiring terminals of the micro switch 1 .

[0036] One end of the wire 2 away from the micro switch 1 is fixedly connected with a connector, so as to be connected to other counterparts through the connector.

[0037] The U-shaped bent member 31 includes a front bent portion and a rear bent portion, which are connected at their left ends by a connecting portion. The front bent portion is longer in the left-right direction than the rear bent portion. A U-shaped notch 34 is defined at the right end of the front bent portion. The right end of the U-shaped notch 34 is open and extends through the front bent portion from front to back. The top of the front bent portion is connected to the mounting plate 32.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A micro switch wiring harness with an insulating injection molded protective shell, comprising a micro switch and a wire, wherein the housing of the micro switch is provided with a positioning protrusion, and the housing of the micro switch is provided with a positioning hole extending through the front and rear, characterized in that: The connection terminal of the micro switch is connected to the connection terminal of the wire; An insulating injection-molded protective shell is partially injection-molded on the outer portion of the housing of the micro switch, and the insulating injection-molded protective shell covers the connection point between the micro switch and the wire; The touch end of the micro switch is exposed outside the insulating injection-molded protective shell; The insulating injection-molded protective shell is provided with a circular hole extending through the front and rear, the inner diameter of the circular hole is smaller than the inner diameter of the positioning hole, and the circular hole is concentric with the central axis of the positioning hole; The mounting bracket further comprises a U-shaped bent member, wherein the end of the U-shaped bent member is provided with a U-shaped notch for engaging the positioning protrusion, and the front and rear sides of the U-shaped bent member are provided with docking holes facing the circular hole, and the U-shaped bent member is connected to the insulating injection-molded protective shell by bolts passing through the circular hole and the docking holes; The mounting frame also includes a mounting plate, which is connected to the top of the U-shaped bending part. A mounting hole is opened on the mounting plate, and the central axis direction of the mounting hole is perpendicular to the central axis direction of the circular hole.

2. The micro switch wiring harness with an insulating injection-molded protective shell according to claim 1, characterized in that: The touch end of the micro switch and the connection end of the micro switch are arranged up and down.

3. The micro switch wiring harness with an insulating injection-molded protective shell according to claim 1, characterized in that: The connection terminals of the micro switches correspond to the connection terminals of the wires in a one-to-one manner and are welded together.

4. The micro switch wiring harness with an insulating injection-molded protective shell according to claim 1, characterized in that: The insulating injection-molded protective shell includes a protective portion located at a connection between the micro switch and the wire, and the width of the protective portion in the left-right direction decreases from top to bottom.

5. The micro switch wiring harness with an insulating injection-molded protective shell according to claim 1, characterized in that: The mounting plate includes a first supporting portion and a second supporting portion, wherein the first supporting portion and the second supporting portion have different heights; The first supporting portion and the second supporting portion are both provided with the mounting hole; The first supporting portion and the second supporting portion are arranged horizontally.

6. The micro switch wiring harness with an insulating injection-molded protective shell according to claim 1, characterized in that: The micro switch is provided with two wiring terminals, and the wire is provided with lead wires for connecting the wiring terminals of the micro switch.

7. The micro switch wiring harness with an insulating injection-molded protective shell according to claim 1, characterized in that: One end of the wire away from the micro switch is fixedly connected with a connector.

8. The micro switch wiring harness with an insulating injection-molded protective shell according to claim 1, characterized in that: The U-shaped bending part includes a front bending portion and a rear bending portion arranged front and back, and the left ends of the front bending portion and the rear bending portion are connected by a connecting portion; The length of the front bending portion in the left-right direction is greater than the length of the rear bending portion in the left-right direction, the right end of the front bending portion is provided with the U-shaped notch, the right end of the U-shaped notch is open, and the U-shaped notch passes through the front bending portion front and back.

9. The micro switch wiring harness with an insulating injection-molded protective shell according to claim 8, characterized in that: The top of the front bent portion is connected to the mounting plate.

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