CN212648644U - Terminal installation mistake proofing device - Google Patents
Terminal installation mistake proofing device Download PDFInfo
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- CN212648644U CN212648644U CN202021323337.3U CN202021323337U CN212648644U CN 212648644 U CN212648644 U CN 212648644U CN 202021323337 U CN202021323337 U CN 202021323337U CN 212648644 U CN212648644 U CN 212648644U
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Abstract
The utility model discloses a mistake proofing device of terminal installation. The terminal installation mistake-proofing device comprises a plastic piece, wherein the plastic piece comprises a first plastic piece and a second plastic piece, the first plastic piece and the second plastic piece are detachably connected, and the plastic piece is used for clamping and fixing the periphery of a crimping position of a terminal and a wire on a wire harness; the outer contour of the plastic piece comprises two arc surfaces which are oppositely arranged, and the arc surfaces are used as guide parts for axial insertion; the wire harness further comprises a rubber piece, wherein the rubber piece is an open annular body and is located on the inner side of the plastic piece, and the rubber piece is used for being clamped between the wire harness and the plastic piece. This patent is through terminal installation mistake proofing device, and the axial guide when being convenient for realize the wire installation has avoided the anti-dress of terminal.
Description
Technical Field
The utility model relates to the field of machinary, concretely relates to terminal installation mistake proofing device.
Background
With the continuous improvement of the living standard of people, the quality requirements of people on automobiles become higher and higher while the automobiles become main transportation means, so that automobile manufacturers need to improve the product quality and the product level of the manufacturers in the automobile production process
The new energy automobile is more and more popularized now, and the pencil also develops thereupon, discovers in pencil terminal installation, makes mistakes easily when the installation has the forward and reverse workman's of terminal installation occasionally, can lead to the terminal contact surface to be bad after the installation mistake and can arouse the short circuit.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a terminal installation mistake proofing device to solve the problem of the easy anti-dress of current terminal.
The technical scheme of the utility model is that: the terminal installation mistake-proofing device is characterized by comprising a plastic piece, wherein the plastic piece comprises a first plastic piece and a second plastic piece, the first plastic piece and the second plastic piece are detachably connected, and the plastic piece is used for clamping and fixing the periphery of a terminal and a lead crimping position on a wire harness;
the outer contour of the plastic part comprises two arc surfaces which are oppositely arranged, and the arc surfaces are used as guide parts for axial insertion;
the wire harness further comprises a rubber piece, wherein the rubber piece is an open annular body and is located on the inner side of the plastic piece, and the rubber piece is used for being clamped between the wire harness and the plastic piece.
This patent is through terminal installation mistake proofing device, and the axial guide when being convenient for realize the wire installation has avoided the anti-dress of terminal.
When the terminal is used, after the terminal is axially installed in the installation hole of the equipment (such as an ESD motor controller) which penetrates through a wiring harness to be connected, the terminal collides with the installation base once the terminal is reversely installed, and the terminal cannot be installed above the installation base. The terminals can be inserted axially above the mounting base only when the terminals are oriented correctly.
Further preferably, the first plastic part is hinged to one end of the second plastic part, and the other end of the first plastic part is clamped with the clamping groove through mutually matched buckles.
Is convenient to disassemble and assemble.
Or, the first plastic part is connected with one end of the second plastic part in a sliding mode through the protrusions and the grooves which are matched with each other, and the other end of the first plastic part is connected with the clamping groove in a clamping mode through the buckles which are matched with each other.
Is convenient to disassemble and assemble.
Further preferably, the inner wall of the rubber member is provided with strip-shaped protrusions arranged circumferentially. The interference fit between the wire harness and the wire harness is convenient to realize, and the anti-skid property is improved.
Further preferably, the width of the strip-shaped protrusion decreases from the outside to the inside in the radial direction. Facilitating the abutting against the wire harness.
Further preferably, the outside of rubber spare is equipped with spacing arch, the inner wall of working of plastics is equipped with the embedding spacing bellied recess.
Facilitating the relative positioning between the rubber part and the plastic part.
Preferably, the plastic part is provided with heat dissipation holes. The heat dissipation performance is improved.
Further preferably, a notch is formed in the front end of the plastic part, the notch is communicated with the heat dissipation hole, and the heat dissipation hole is partially formed in the arc surface of the plastic part.
The heat dissipation is convenient, and the contact area between the plastic part and the mounting hole is reduced. And the heat of the wiring harness is conducted outwards through the heat dissipation hole and the clearance between the plastic part and the mounting hole.
Further preferably, the outer side wall of the front end part of the plastic part comprises a tapered guide surface which increases from front to back, and the tapered guide surface is provided with an inwards concave tangent plane;
the cambered surface is positioned behind the tangent plane;
each heat dissipation hole simultaneously penetrates through the cambered surface and the tangent plane of the plastic part.
The heat dissipation is convenient.
Further preferably, the tangent plane is a plane parallel to the central axis of the plastic part, and the plane is connected with the cambered surface through a transition curved surface;
the same heat dissipation hole penetrates through the cambered surface, the transition curved surface and the plane of the plastic part at the same time.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a rear view of embodiment 1 of the present invention;
fig. 3 is a side view of embodiment 1 of the present invention;
fig. 4 is a schematic structural view of the terminal installation error-proofing device and the wire harness in a state of being matched according to the embodiment of the present invention 1;
fig. 5 is a schematic structural diagram of the device for connecting a wire harness, which is matched with the terminal installation error-proofing device of the utility model.
In the figure: the rubber part is 1, the plastic part is 2, the first plastic part is 21, the second plastic part is 22, the heat dissipation holes are 23, the section is 24, the cambered surface is 25, the mounting base is 41, and the mounting holes are 42.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
In embodiment 1, referring to fig. 1 to 5, the terminal installation error-proofing device includes a plastic part 2, the plastic part 2 includes a first plastic part 21 and a second plastic part 22, the first plastic part 21 and the second plastic part 22 are detachably connected, and the plastic part 2 is used for clamping and fixing the periphery of the terminal and the wire crimping position on the wire harness; the outer contour of the plastic part 2 comprises two arc surfaces which are oppositely arranged, and the arc surfaces are used as guide parts for axial insertion; the wire harness further comprises a rubber part 1, wherein the rubber part 1 is an open annular body, the rubber part 1 is located on the inner side of the plastic part 2, and the rubber part 1 is used for being clamped between the wire harness and the plastic part 2.
This patent is through terminal installation mistake proofing device, and the axial guide when being convenient for realize the pencil installation has avoided the anti-dress of terminal. After the terminal installation mistake proofing device is installed on the wire harness, see fig. 4.
In use, after the wiring harness is connected to the terminal installation error-proofing device, the wiring harness is axially installed through the installation hole 42 of the device (such as an ESD motor controller, see fig. 5) to which the wiring harness is to be connected, and once the terminal is reversely installed, the wiring harness collides with the installation base 41, and the wiring harness cannot be installed above the installation base 41. The terminals can be inserted axially above the mounting base 41 only when the terminals are oriented correctly. The mounting portion of the terminal is higher than the central axis of the wire.
The first plastic part is hinged to one end of the second plastic part, and the other ends of the first plastic part and the second plastic part are clamped with the clamping groove through mutually matched buckles. Is convenient to disassemble and assemble. Or, one ends of the first plastic part and the second plastic part are connected with the groove in a sliding mode through the mutually matched bulges, and the other ends of the first plastic part and the second plastic part are connected with the clamping groove in a clamping mode through the mutually matched clamping buckles. Is convenient to disassemble and assemble. The first plastic part and the second plastic part are arranged left and right, and the sliding direction of the first plastic part and the sliding direction of the second plastic part are left and right.
The inner wall of the rubber part 1 is provided with strip-shaped bulges which are circumferentially distributed. The interference fit between the wire harness and the wire harness is convenient to realize, and the anti-skid property is improved. The width of the strip-shaped protrusion decreases from the outside to the inside along the radial direction. Facilitating the abutting against the wire harness.
The outside of rubber spare 1 is equipped with spacing arch, and the inner wall of working of plastics is equipped with the spacing bellied recess of embedding. The relative positioning between the rubber part and the plastic part is convenient.
The plastic part 2 is provided with a heat dissipation hole 23. The heat dissipation performance is improved.
The front end of the plastic part 2 is provided with a notch which is communicated with the heat dissipation hole 23, and the heat dissipation hole 23 is partially arranged on the cambered surface 25 of the plastic part. The heat dissipation is convenient, and the contact area between the plastic part and the mounting hole is reduced. And the heat of the wiring harness is conducted outwards through the heat dissipation hole and the clearance between the plastic part and the mounting hole. Specifically, the outer side wall of the front end part of the plastic part comprises a tapered guide surface which increases from front to back, and the tapered guide surface is provided with an inwards concave tangent plane 25; the cambered surface 25 is positioned behind the tangent plane 24; each heat dissipation hole penetrates through the cambered surface and the tangent plane at the same time. The heat dissipation is convenient. The tangent plane 24 is a plane parallel to the central axis of the plastic part and connected with the cambered surface 25 through a transition curved surface; the heat dissipation holes penetrate through the cambered surface, the transition curved surface and the plane.
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 decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The terminal installation mistake-proofing device is characterized by comprising a plastic piece, wherein the plastic piece comprises a first plastic piece and a second plastic piece, the first plastic piece and the second plastic piece are detachably connected, and the plastic piece is used for clamping and fixing the periphery of a terminal and a lead crimping position on a wire harness;
the outer contour of the plastic part comprises two arc surfaces which are oppositely arranged, and the arc surfaces are used as guide parts for axial insertion;
the wire harness further comprises a rubber piece, wherein the rubber piece is an open annular body and is located on the inner side of the plastic piece, and the rubber piece is used for being clamped between the wire harness and the plastic piece.
2. The terminal mounting error proofing device according to claim 1, wherein: the first plastic part is hinged to one end of the second plastic part, and the other end of the first plastic part is connected with the clamping groove in a clamped mode through mutually matched buckles.
3. The terminal mounting error proofing device according to claim 1, wherein: the first plastic part is connected with one end of the second plastic part in a sliding mode through the protrusions and the grooves which are matched with each other, and the other end of the first plastic part is connected with the clamping groove in a clamping mode through the buckles which are matched with each other.
4. The terminal mounting error proofing device according to claim 1, wherein: the inner wall of the rubber part is provided with strip-shaped bulges which are circumferentially distributed.
5. The terminal mounting error proofing device according to claim 4, wherein: the width of the strip-shaped protrusion decreases from the outside to the inside along the radial direction.
6. The terminal mounting error proofing device according to claim 1, wherein: the outside of rubber spare is equipped with spacing arch, the inner wall of working of plastics is equipped with the embedding spacing bellied recess.
7. The terminal mounting error proofing device according to claim 1, wherein: the plastic piece is provided with heat dissipation holes.
8. The terminal mounting error proofing device according to claim 7, wherein: the front end of the plastic part is provided with a notch, the notch is communicated with the heat dissipation holes, and the heat dissipation holes are partially arranged at the cambered surface of the plastic part.
9. The terminal mounting error proofing device according to claim 7, wherein: the outer side wall of the front end part of the plastic part comprises a tapered guide surface which increases progressively from front to back, and the tapered guide surface is provided with an inwards concave tangent plane;
the cambered surface is positioned behind the tangent plane;
each heat dissipation hole simultaneously penetrates through the cambered surface and the tangent plane of the plastic part.
10. A terminal mounting error proofing device according to claim 9, wherein: the tangent plane is a plane parallel to the central axis of the plastic part, and the plane is connected with the cambered surface through a transition curved surface;
the same heat dissipation hole penetrates through the cambered surface, the transition curved surface and the plane of the plastic part at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021323337.3U CN212648644U (en) | 2020-07-08 | 2020-07-08 | Terminal installation mistake proofing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021323337.3U CN212648644U (en) | 2020-07-08 | 2020-07-08 | Terminal installation mistake proofing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212648644U true CN212648644U (en) | 2021-03-02 |
Family
ID=74787980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021323337.3U Active CN212648644U (en) | 2020-07-08 | 2020-07-08 | Terminal installation mistake proofing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212648644U (en) |
-
2020
- 2020-07-08 CN CN202021323337.3U patent/CN212648644U/en active Active
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