CN212380591U - A waterproof pencil for car proximity switch - Google Patents
A waterproof pencil for car proximity switch Download PDFInfo
- Publication number
- CN212380591U CN212380591U CN202021386615.XU CN202021386615U CN212380591U CN 212380591 U CN212380591 U CN 212380591U CN 202021386615 U CN202021386615 U CN 202021386615U CN 212380591 U CN212380591 U CN 212380591U
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- China
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- connector
- proximity switch
- wire
- waterproof
- injection molding
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Abstract
The utility model discloses a waterproof pencil for car proximity switch, including proximity switch, wire and connector, connect in wire on the proximity switch inserts in the connector, the outer cladding of wire has the pyrocondensation pipe, the pyrocondensation outside of tubes is equipped with the inoxidizing coating, is being close to be equipped with the injection molding on the wire of connector one end, injection molding and connector fixed connection. The utility model discloses protect the exposed wire between proximity switch and the connector, play waterproof dustproof sealing's effect, increase of service life.
Description
Technical Field
The utility model relates to an auto-parts technical field specifically is a waterproof pencil for car proximity switch is related to.
Background
The proximity switch is a position switch which can be operated without mechanical direct contact with a moving part, and when the sensing surface of the object proximity switch reaches the action distance, the switch can be actuated without mechanical contact and any pressure, so that a direct current electric appliance is driven or a control instruction is provided for a computer device.
Proximity switches are widely used in the automotive field. At present, the pencil of car proximity switch generally adopts terminal wiring end and wire crimping, then installs the wire on the special connector of car again, because the wire inserts in the connector, can have naked wire, naked wire when using, can have following problem and defect:
1) water easily enters the connector, so that the proximity switch cannot be used and an electronic device is damaged;
2) the wire is easy to break, and the wire is easy to twist off after long-time use, so that the service life is influenced.
SUMMERY OF THE UTILITY MODEL
The waterproof wiring harness for the automobile proximity switch aims to provide the waterproof wiring harness for the automobile proximity switch, and the exposed conducting wire between the proximity switch and the connector is protected, so that the waterproof, dustproof and sealing effects are achieved, and the service life is prolonged.
The specific technical scheme is as follows:
the utility model provides a waterproof pencil for car proximity switch, includes proximity switch, wire and connector, connects in wire on the proximity switch inserts the connector, the outer cladding of wire has the pyrocondensation pipe, the pyrocondensation pipe is equipped with the inoxidizing coating outward, is being close to be equipped with the injection molding on the wire of connector one end, injection molding and connector fixed connection.
Preferably, the connector is provided with a fixing part at one end matched with the injection molding piece.
Preferably, the cross section of the injection molding part is triangular, and three corners of the injection molding part are provided with chamfers.
Furthermore, the fixing part comprises a groove surface arranged on the end surface of the connector, fixing holes respectively arranged on three corners of the groove surface, and fixing grooves respectively arranged on three edges of the groove surface.
Furthermore, the fixing hole comprises a circular big groove and a circular small groove concentric with the circular big groove.
Furthermore, the fixing groove is an arc-shaped groove.
The positive effects of the technical scheme are as follows:
1) the utility model discloses use the pyrocondensation pipe to protect the bare wire part between proximity switch and the connector earlier, then through the secondary injection molding, protect the bare wire, the injection molding will cover connector and proximity switch wire crust, ensure that the bare wire is protected completely, when using, can play waterproof dustproof sealed effect, it is corrosion-resistant, and after having protected, the bare wire is also difficult to fracture, can greatly increase of service life;
2) strengthen the connection through the fixed part between connector and the injection molding for connect more firmly, simultaneously, make sealed water-proof effects better.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a first schematic structural diagram of a connector according to the present invention;
FIG. 3 is a second schematic structural view of the connector of the present invention;
fig. 4 is a schematic cross-sectional structure diagram of the lead of the present invention.
In the attached drawings, 1, a proximity switch; 2. a wire; 2.1, heat-shrinkable tubes; 2.2, a protective layer; 3. a connector assembly; 4. an injection molded part; 4.1, chamfering; 4.2, a fixed part; 4.2.1, groove surfaces; 4.2.2, fixing holes; 4.2.2.1, a circular big groove; 4.2.2.2, round small groove; 4.2.3, fixing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts belong to the protection scope of the present invention.
As shown in fig. 1, a waterproof wire harness for an automobile proximity switch 1 is shown, the wire harness of the automobile proximity switch 1 is generally pressed with a lead 2 by adopting a terminal, and then the lead 2 is installed on a connector 3 special for an automobile, because the lead 2 is inserted into the connector 3, the lead 2 cannot be exposed, but the bare wire can be short as much as possible, and then the bare wire part is protected after the proximity switch 1 is manufactured. In this embodiment, as shown in fig. 4, a heat shrinkable tube 2.1 is coated outside a conductor 2, the heat shrinkable tube 2.1 is firstly sleeved outside the conductor 2, after heating at a high temperature, the heat shrinkable tube 2.1 is protected outside the conductor 2, a protective layer 2.2 is further arranged outside the heat shrinkable tube 2.1, an injection molding piece 4 is arranged on the conductor 2 near one end of a connector 3, and the injection molding piece 4 is fixedly connected with the connector 3.
By adopting the method, the bare wire is protected by using the heat-shrinkable tube 2.1 firstly, then the bare wire is protected by secondary injection molding, the injection molding piece 4 covers the outer skins of the connector 3 and the wire 2 of the proximity switch 1 to ensure that the bare wire is completely protected, the service life can be greatly prolonged, and the waterproof, dustproof and sealing effects and corrosion resistance can be achieved when the device is used at ordinary times.
As shown in fig. 2, in order to fix the injection molded part 4 to the connector 3, a fixing portion 4.2 is disposed at an end of the connector 3 that is engaged with the injection molded part 4, so that the injection molded part 4 and the connector 3 can be connected more firmly during injection molding.
Preferably, the cross-sectional shape of injection molded part 4 is triangular, and injection molded part 4 is matched with connector 3, that is, the end of connector 3 matched with injection molded part 4 is also triangular, and the triangular shape has the advantage of being convenient for a user to hold. Moreover, the three corners of the injection molding piece 4 are provided with chamfers 4.1, so that the structure is more mellow, and the hand-held experience feeling is better.
As shown in fig. 3, the fixing portion 4.2 further includes a recessed surface 4.2.1 formed on the end surface of the connector 3, fixing holes 4.2.2 formed on three corners of the recessed surface 4.2.1, respectively, and fixing grooves 4.2.3 formed on three sides of the recessed surface 4.2.1, respectively. The fixing holes 4.2.2 comprise a circular large groove 4.2.2.1 and a circular small groove 4.2.2.2 concentric with the circular large groove 4.2.1, namely, the circular small groove 4.2.2.2 is formed by inwards sinking the center of the circular large groove 4.2.2.1, and the fixing groove 4.2.3 is an arc-shaped groove, so that the advantage of the arrangement is that the contact area of the injection molding piece 4 and the connector 3 is larger when the injection molding piece 4 is matched, the injection molding piece 4 is embedded into the connector 3, and finally the connection between the injection molding piece 4 and the connector 3 is firmer.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (6)
1. The utility model provides a waterproof pencil for car proximity switch, includes proximity switch (1), wire (2) and connector (3), connects wire (2) on proximity switch (1) insert in connector (3), its characterized in that: the heat-shrinkable tube type cable connector is characterized in that a heat-shrinkable tube (2.1) is coated outside the lead (2), a protective layer (2.2) is arranged outside the heat-shrinkable tube (2.1), an injection molding piece (4) is arranged on the lead (2) close to one end of the connector (3), and the injection molding piece (4) is fixedly connected with the connector (3).
2. The waterproof wire harness for the automobile proximity switch according to claim 1, wherein the connector (3) is provided with a fixing portion (4.2) at one end thereof which is engaged with the injection-molded part (4).
3. The waterproof wire harness for the automobile proximity switch according to claim 2, wherein the cross-sectional shape of the injection molded piece (4) is triangular, and three corners of the injection molded piece (4) are provided with chamfers (4.1).
4. The waterproof wire harness for the automobile proximity switch according to claim 3, wherein the fixing portion (4.2) includes a recessed surface (4.2.1) opened on an end surface of the connector (3), fixing holes (4.2.2) opened on three corners of the recessed surface (4.2.1), respectively, and fixing grooves (4.2.3) opened on three sides of the recessed surface (4.2.1), respectively.
5. The waterproof wire harness for the automobile proximity switch according to claim 4, wherein the fixing hole (4.2.2) comprises a circular large groove (4.2.2.1), a circular small groove (4.2.2.2) concentric with the circular large groove (4.2.2.1).
6. The waterproof wire harness for the automobile proximity switch according to claim 5, wherein the fixing groove (4.2.3) is an arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386615.XU CN212380591U (en) | 2020-07-15 | 2020-07-15 | A waterproof pencil for car proximity switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386615.XU CN212380591U (en) | 2020-07-15 | 2020-07-15 | A waterproof pencil for car proximity switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212380591U true CN212380591U (en) | 2021-01-19 |
Family
ID=74164222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021386615.XU Active CN212380591U (en) | 2020-07-15 | 2020-07-15 | A waterproof pencil for car proximity switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212380591U (en) |
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2020
- 2020-07-15 CN CN202021386615.XU patent/CN212380591U/en active Active
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