CN202120780U - Switch protection structure - Google Patents
Switch protection structure Download PDFInfo
- Publication number
- CN202120780U CN202120780U CN2011201793375U CN201120179337U CN202120780U CN 202120780 U CN202120780 U CN 202120780U CN 2011201793375 U CN2011201793375 U CN 2011201793375U CN 201120179337 U CN201120179337 U CN 201120179337U CN 202120780 U CN202120780 U CN 202120780U
- Authority
- CN
- China
- Prior art keywords
- proof portion
- insulative water
- switch
- housing
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 238000004078 waterproofing Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
Disclosed is a switch protection structure, wherein the switch includes a housing, a first insulation waterproof portion and a second insulation waterproof portion. The housing possesses an assembly space for accommodating an electrical conduction assembly generating electrical signal output, and the electrical conduction assembly possesses at least a pin passing out of the housing for outputting the electrical signal.
Description
Technical field
The utility model relates to a kind of switch safeguard structure, and particularly a kind of passing through coats electrical pin and the construction of switch and the manufacturing approach thereof of reinforced insulation, waterproof ability.
Background technology
Because the water in the Nature can be guided electric current, and aqueous vapor can cause the hardware corrosion.Therefore electronic component must possess good insulation performance, waterproofing design, otherwise aqueous vapor possibly infiltrated inside, causes electronic component short circuit, the lost of life.More dangerous is possibly leak electricity, harm user's personal safety.
To this problem; Many switching mechanisms have waterproofing design; Structural improvement like No. 496567 described a kind of water proof switch of the novel patent of TaiWan, China; Should before case disclosed it and have a folder and be formed on the waterproof washer between body and lampshade, it is inner to utilize this waterproof washer to stop aqueous vapor to get into this water proof switch.
Other disclose related patent U.S. Patent No. such as the novel patent of TaiWan, China No. 551595 " waterproof construction of water proof switch is improved ", No. 495089 " the wearing ring ring structure improvement of water proof switch " of water proof switch structure.Case all is utilized in the inner installing of switch main body packing ring to intercept aqueous vapor before aforementioned two.Above-mentioned each preceding case all focuses on switch main body interior waterproof ability, and pin contacts with aqueous vapor with the lead junction in fact more easily.Certainly, switch pin and lead junction receive the same meeting of aqueous vapor intrusion and cause electric leakage or corrosion to damage, but the waterproof measure of pin and lead junction is quite weak, even the waterproof measure to pin and lead junction is not arranged.The core that general switch utilizes heat-shrink tube coating pin and lead to expose is to reach insulation effect.But heat-shrink tube is not to fit tightly fully in pin, core surface, if pyrocondensation is inhomogeneous more possibly to produce gauffer, forms the gap that aqueous vapor is invaded, and its waterproof ability is very not enough.
In addition,, when the lead core is pullled for a long time, or pull with sudden force suddenly, can make this core and pin junction rupture or get loose because lead core and pin are to utilize welding manner to fix mostly.Thereby loose contact, denounced by the user.
The structure of known technology is as shown in Figure 1, corrodes for fear of aqueous vapor, and a switch main body 90 of known technology is provided with at least one hole 92 of burying underground respectively at pin 91 places, and this pin 91 is scheduled to be positioned at this with a lead 94 joints and is buried hole 92 underground.After pin 91 and this lead 94 joined, this was buried hole 92 underground and this lead 94 is imbedded this in the lump with this pin 91 bury underground in the hole 92 with an insulator 93 fillings, to obtain the effect of waterproof insulation.
Other sees also Fig. 2, is another known technology sketch map, and it discloses a switch and comprises a housing 95, is fixedly arranged on pin 91 outer ends of switch main body 90, and wherein pin 91 is covered by this housing 95 with the lead that is connected 94.This lead 94 is stretched out by the opening part 96 that housing 95 and switch main body 90 form, and utilizes the encapsulating mode that insulator is inserted in the housing 95 by this opening part 96 again, seals this pin 91 and lead 94 junctions by this.
Though Fig. 1, two kinds of known technologies shown in Figure 2 can provide the effect of this lead of location; And the waterproof sealing effect of complete coated wire and pin joint; But still excessive glue problem arranged; And, slowly and quality is unstable, even can cause the switch surface irregularity and to the not good impression of client with manual gluing mode.
The utility model content
Because known technology is difficult to take into account on water proofing property and assembling quality; Therefore the utility model provides the purpose of another switch waterproof construction to be to make the assembly program of this switch to be able to through mechanical automation production; And make it have more outstanding waterproof ability, thereby take into account water proofing property and switch assembling quality simultaneously.
The utility model is a kind of switch safeguard structure, and the switch that wherein the utility model disclosed comprises a housing, one first insulative water-proof portion and one second insulative water-proof portion.Wherein have an assembling space in this housing and hold the electric assembly that connects that a generation electric signal is exported, and this electric assembly that connects has at least one passing outside this housing to export the pin of this electric signal.At least one electrical wire electrically connects this pin, and this electrical wire and this pin junction are provided with this first insulative water-proof portion, and this first insulative water-proof portion is the plastic material with this housing compatibility, to seal this electrical wire and this pin junction.Again, this second insulative water-proof portion is set further, this second insulative water-proof portion is the plastic material with this first insulative water-proof portion compatibility, and some length that this electrical wire extends this first insulative water-proof portion are coated in this second insulative water-proof portion.
Further, the housing and the first insulative water-proof portion, the second insulative water-proof portion are the compatible plastics material.
Further, the first insulative water-proof portion, the second insulative water-proof portion are integrated through ejection forming method and switch junctions.
Further, the second insulative water-proof portion and the first insulative water-proof portion are shaped through same ejection forming method (processing procedure) in the lump.
Through coating the first insulative water-proof portion of this electrical wire and this pin junction, and the second insulative water-proof portion that coats the some length of this electrical wire, can guarantee that this switch has utmost point excellent waterproof effect.And the process of injection molding capable of using forms this first insulative water-proof portion, this second insulative water-proof portion, is beneficial to mechanical automation production, and is consistent to guarantee product quality.
Description of drawings
Fig. 1 is the known technology sketch map.
Fig. 2 is another known technology sketch map.
Fig. 3 is the execution mode sketch map of the utility model.
Fig. 4 is another execution mode sketch map of the utility model.
Embodiment
The utility model is a kind of switch safeguard structure, below will cooperate each graphic explanation the utility model technology contents.
See also Fig. 3; Shown in Figure 3 is an execution mode of the utility model; A visible switch 1 among the figure; The form of this switch 1 can be thumb-acting switch, push-button switch, though Fig. 3 only discloses single form switch 1, switch 1 form that the those of ordinary skill of this technical field can be thought to reach all should be in the scope of the utility model.This switch 1 has a housing 10; Have an assembling space in this housing 10 and produce the electric assembly (not shown) that connects of electric signal output to hold one; Though do not disclose this electric assembly that connects among the figure; But the electric assembly that connects in the switch 1 has many prior arts to disclose, as TaiWan, China patent certificate M343900 number, M298765 number, M306715 number or the like.Though the form of switch 1 is numerous; But the electric assembly that connects that the those of ordinary skill of this technical field all can be understood in the switch 1 can produce different electric state according to the change of its state; Though graphic this electric form that connects assembly that do not disclose of the utility model; But should unambiguously understand this electric technological means and effect that connects assembly to the those of ordinary skill of this technical field, not have the unclear problem that discloses.And this electric assembly that connects of the utility model definition has at least one pin 11 that extension exposes to this housing 10; This pin 11 is positioned on this housing 10 and is used to export this electricly to connect the electric signal that assembly produces; And by at least one electrical wire 40 those pins 11 of electric connection, this electrical wire 40 has a connectivity port 41 and connects other electric equipments.In order to make this switch 1 have outstanding water proofing property, the one first insulative water-proof portion 20 that establishes coats this electrical wire 40 and these pin 11 junctions, and makes this first insulative water-proof portion 20 and this housing 10 be one kenel person.For this first insulative water-proof portion 20 is integrally formed with this housing 10; Can be after this electrical wire 40 and this pin 11 electrically connect; This switch 1 is inserted an injection molding equipment; Utilize the injection molding technology to make combining of these first insulative water-proof portion, 20 one, and coat this electrical wire 40 and these pin 11 junctions with this housing 10.Further; These 20 outer one second insulative water-proof portions 30 that also are provided with of first insulative water-proof portion; This second insulative water-proof portion 30 combines with this first insulative water-proof portion 20 integratedly, and some length that this electrical wire 40 passes this first insulative water-proof portion 20 are coated in this second insulative water-proof portion 30.This second insulative water-proof portion 30 can obviously strengthen this switch 1 waterproof, water pressure resistance penetrating power, does not receive the aqueous vapor corrosion to guarantee this electrical wire 40 with these pin 11 junctions.And in order to let this second insulative water-proof portion 30 combine with this first insulative water-proof portion 20 integratedly; Technology that also can be through injection molding in this first insulative water-proof portion 20, and is coated on these second insulative water-proof portion, 30 injection moldings in this second insulative water-proof portion 30 together with some length of this electrical wire 40 in the lump in the ejaculation process.The utility model does not limit the relative position of this second insulative water-proof portion 30 and this first insulative water-proof portion 20, and this second insulative water-proof portion 30 also can be located at the side (as shown in Figure 4) of this first insulative water-proof portion 20.
Above-mentioned technology makes this switch 1 have extremely outstanding waterproof ability, and aforesaid housing 10, the first insulative water-proof portion 20, the second insulative water-proof portion 30 are the compatible plastics material.And injection molding can be distinguished by this first insulative water-proof portion 20, the second insulative water-proof portion 30, makes this second insulative water-proof portion 30 be shaped the back through the shaping of secondary emission technology in this first insulative water-proof portion 20.Perhaps, this second insulative water-proof portion 30 can be shaped in same ejaculation process with this first insulative water-proof portion 20 in the lump, distinctly coats some length of this electrical wire 40 and these pin 11 junctions and this electrical wire 40.
Though the utility model discloses as above with preferred embodiment, so it is not in order to limit the utility model.Any those of ordinary skill in the art; In spirit that does not break away from the utility model and scope; And a little change and the retouching done all should be covered by in the utility model, so the protection range of the utility model is as the criterion when looking the accompanying Claim scope person of defining.
Claims (4)
1. a switch safeguard structure is characterized in that, said switch (1) includes:
One housing (10), at least one outer pin (11) of said housing (10) that passes in said housing (10) location to export an electric signal;
The electrical wire (40) of the said pin of at least one electric connection (11);
One coats the first insulative water-proof portion (20) of said electrical wire (40) and said pin (11) junction, and the said first insulative water-proof portion (20) combines for the compatible plastics material with said housing (10);
The one second insulative water-proof portion (30) that combines for the compatible plastics material with the said first insulative water-proof portion (20), some length that said electrical wire (40) passes the said first insulative water-proof portion (20) are coated in the said second insulative water-proof portion (30).
2. switch safeguard structure according to claim 1 is characterized in that, said housing (10) is the compatible plastics material with the said first insulative water-proof portion (20), the second insulative water-proof portion (30).
3. switch safeguard structure according to claim 1 is characterized in that, the said first insulative water-proof portion (20), the second insulative water-proof portion (30) are combined as a whole through ejection forming method and said switch (1).
4. switch safeguard structure according to claim 3 is characterized in that, said second insulative water-proof portion (30) and the said first insulative water-proof portion (20) are shaped through same ejection forming method in the lump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201793375U CN202120780U (en) | 2011-05-30 | 2011-05-30 | Switch protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201793375U CN202120780U (en) | 2011-05-30 | 2011-05-30 | Switch protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202120780U true CN202120780U (en) | 2012-01-18 |
Family
ID=45461824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201793375U Expired - Fee Related CN202120780U (en) | 2011-05-30 | 2011-05-30 | Switch protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202120780U (en) |
-
2011
- 2011-05-30 CN CN2011201793375U patent/CN202120780U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20170530 |