CN207705076U - A kind of external waterproof and dustproof structure of microswitch - Google Patents
A kind of external waterproof and dustproof structure of microswitch Download PDFInfo
- Publication number
- CN207705076U CN207705076U CN201820168155.XU CN201820168155U CN207705076U CN 207705076 U CN207705076 U CN 207705076U CN 201820168155 U CN201820168155 U CN 201820168155U CN 207705076 U CN207705076 U CN 207705076U
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- CN
- China
- Prior art keywords
- microswitch
- silica gel
- upper cover
- outer casing
- tarpaulin
- 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.)
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model is related to a kind of external waterproof and dustproof structures of microswitch, including microswitch, it further include silica gel tarpaulin, outer casing upper cover and shell lower cover, the silica gel tarpaulin is mounted on microswitch upper end, microswitch and silica gel tarpaulin are wrapped up when the outer casing upper cover and shell lower cover are fastened and connected, the lower end of the silica gel tarpaulin forms side edge, the upper end of the shell lower cover forms notch, side achievees the effect that water proof and dust proof along the side edge that is fastened and connected to compress that cooperation outer casing upper cover and shell lower cover is arranged between notch bottom wall and outer casing upper cover lower face.The utility model has the function of dustproof and waterproof, ensures the normal work of microswitch.
Description
Technical field
The utility model is related to field of switches, more particularly to a kind of external waterproof and dustproof structure of microswitch.
Background technology
Microswitch is that have small contact separation and snap-action mechanism, and it is dynamic to carry out switch with defined stroke and defined power
The contact mechanism of work, because the contact spacing of its switch is smaller, therefore named microswitch is called sensitive switch.Microswitch exists
It needs to carry out automatically controlling in the equipment of frequent changing-over circuit and safeguard protection etc., is widely used in electronic equipment, instrument and meter, mine
The military fields such as mountain, electric system, household electrical appliance, electrical equipment and space flight, aviation, naval vessel, guided missile, tank.Fine motion is opened
It closes and is used as a kind of control element, often need to coordinate with other elements, be switched on or switched off signal or circuit, and present microswitch
There is gap on the shell of usual operating knob and microswitch due to often to carry out pressing operation in the operating knob of upper setting,
Dust etc. is easy to enter in shell from gap, and corrosive substance is mixed in dust, if encroached water assigns to shell from gap again
In vivo, it can then corrode other components in shell into the water of shell and dust, influence the normal work of switch.
Utility model content
Based on this, a kind of external waterproof and dustproof structure of microswitch is provided, to solve the skill of microswitch water proof and dust proof
Art problem.
A kind of external waterproof and dustproof structure of microswitch, including microswitch, further include silica gel tarpaulin, outer casing upper cover
With shell lower cover, the silica gel tarpaulin is mounted on microswitch upper end, when the outer casing upper cover and shell lower cover are fastened and connected
Microswitch and silica gel tarpaulin are wrapped up, the lower end of the silica gel tarpaulin forms side edge, the upper end shape of the shell lower cover
At notch, side connects along the fastening that cooperation outer casing upper cover and shell lower cover is arranged between notch bottom wall and outer casing upper cover lower face
Connect to compress side along achieving the effect that water proof and dust proof.
Further, the opposite both sides of the outer casing upper cover are downwardly extending card slot, on the two side of shell lower cover
It is provided with buckle corresponding with card slot end, the buckle end is fastened and connected with card slot, and then by cover buckle under outer casing upper cover and shell
Connection is closed to increase the pressing force of silica gel tarpaulin.
Further, the microswitch includes pedestal, upper cover, the shrapnel between pedestal and upper cover and pressing
Handle, the press handle are installed on the upper cover, and upper end protrusion upper cover upper surface, and lower end is contacted with shrapnel.
Further, it is provided with pressure cap on the silica gel tarpaulin, pressure cap lower end and press handle grafting, on pressure cap
End protrudes from outer casing upper cover upper surface.
The external waterproof and dustproof structure of above-mentioned microswitch is fastened and connected in the cavity to be formed in the first upper cover and pedestal and pacifies
Equipped with silica gel inner casing, silica gel inner casing and the inner wall of the first upper cover fit closely, and the lower end of silica gel inner casing forms outer edge, first
When upper cover and pedestal closely fasten, groove on outer edge inserted base and closely being pressed with groove prevents moisture and dust from entering
In microswitch, to play the role of dustproof and waterproof, ensure the normal work of microswitch.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cut-away illustration of the utility model；
Fig. 3 is the exploded perspective view of the utility model；
Fig. 4 is the exploded perspective view of microswitch in the utility model.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this
The specific implementation mode of utility model is described in detail.
As shown in attached drawing 1, Fig. 2, Fig. 3 and Fig. 4, a kind of external waterproof and dustproof structure of microswitch, including microswitch
1, silica gel tarpaulin 2, outer casing upper cover 3 and shell lower cover 4, silica gel tarpaulin 2 are mounted on 1 upper end of microswitch, 3 He of outer casing upper cover
Wrap up microswitch 1 and silica gel tarpaulin 2 when shell lower cover 4 is fastened and connected, the lower end of silica gel tarpaulin 2 forms side along 21,
The upper end of shell lower cover 4 forms notch 41, and side, which is arranged along 21 between 41 bottom wall of notch and outer casing upper cover 3, coordinates outer casing upper cover
3 and shell lower cover 4 be fastened and connected to compress side and achieve the effect that water proof and dust proof along 21.
Specifically, side is arranged from the bottom of outer casing upper cover 3 along vertical enclosure upper cover 3 along 21, side is arranged along 21 in slot
Between 41 bottom walls of mouth and outer casing upper cover 3, to prevent moisture and dust from outer casing upper cover 3 and when being fastened and connected of shell lower cover 4
The gap of formation enters in microswitch 1.The effect of outer casing upper cover 3 and shell lower cover 4 mainly compresses the side of silica gel tarpaulin 2
Edge 21.In addition, shell lower cover 4 is "convex" shaped structure, notch 41 is then arranged in " " structure in "convex" shaped structure.
In the present embodiment, the opposite both sides of outer casing upper cover 3 are downwardly extending card slot 31, in the two side of shell lower cover 4
On be provided with buckle end 42 corresponding with card slot 31, buckle end 42 is fastened and connected with card slot 31, and then by outer casing upper cover 3 and shell
Lower cover 4 is fastened and connected to increase the pressing force of silica gel tarpaulin 2.The distance between 3 lower end of outer casing upper cover and 41 bottom wall of notch are wanted
Properly so that the side of silica gel tarpaulin 2 is just compacted along 21.
Microswitch 1 includes pedestal 11, upper cover 12, shrapnel 13 and press handle between pedestal 11 and upper cover 12
14, press handle 14 is mounted in upper cover 12, and upper end 12 upper surface of protrusion upper cover, and lower end is contacted with shrapnel 13.Silica gel tarpaulin 2
On be provided with pressure cap 22, the lower end of the pressure cap 22 is arranged grooved hole, and 14 upper end of press handle is plugged on slot and then solid
It is scheduled on pressure cap 22.3 upper surface of outer casing upper cover is provided with opening, and 22 upper end of pressure cap protrudes from outer casing upper cover 3 by opening
Upper surface is for pressing.By pressing pressure cap 22, and then press handle 14 is driven to contact conducting with shrapnel.In this way, do not influence it is micro-
Under the premise of dynamic switch use, ensure the water proof and dust proof effect of microswitch.
The external waterproof and dustproof structure of above-mentioned microswitch, silica gel tarpaulin is equipped on microswitch, passes through shell
Be fastened and connected package microswitch and the silica gel tarpaulin of upper cover and shell lower cover, notch is provided in the upper end of shell lower cover,
The lower end of silica gel tarpaulin forms side edge, and side edge is arranged between notch bottom wall and the lower face of outer casing upper cover, on shell
Side is compressed when the fastening of lid and shell lower cover along to play the role of water proof and dust proof.The utility model has dustproof and waterproof
Effect, ensures the normal work of microswitch.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (4)
1. a kind of external waterproof and dustproof structure of microswitch, including microswitch（1）, which is characterized in that further include that silica gel is anti-
Water cap（2）, outer casing upper cover（3）With shell lower cover（4）, the silica gel tarpaulin is on microswitch upper end, the shell
The lower end of package microswitch and silica gel tarpaulin when lid and shell lower cover are fastened and connected, the silica gel tarpaulin forms side edge
（21）, the side forms notch along vertical silica gel tarpaulin side wall, the upper end of the shell lower cover（41）, side exists along setting
The side edge that is fastened and connected to compress of outer casing upper cover and shell lower cover is coordinated to reach between notch bottom wall and outer casing upper cover lower face
To the effect of water proof and dust proof.
2. the external waterproof and dustproof structure of microswitch according to claim 1, which is characterized in that the outer casing upper cover phase
To both sides be downwardly extending card slot（31）, buckle corresponding with card slot end is provided on the two side of shell lower cover
（42）, the buckle end is fastened and connected with card slot, and then outer casing upper cover and shell lower cover are fastened and connected to increase silica gel waterproof
The pressing force of cap.
3. the external waterproof and dustproof structure of microswitch according to claim 1, which is characterized in that the microswitch packet
Include pedestal（11）, upper cover（12）, shrapnel between pedestal and upper cover（13）And press handle（14）, the press handle peace
On upper lid, and upper end protrusion upper cover upper surface, lower end is contacted with shrapnel.
4. the external waterproof and dustproof structure of microswitch according to claim 3, which is characterized in that the silica gel tarpaulin
On be provided with pressure cap（22）, pressure cap lower end and press handle grafting, pressure cap upper end protrudes from outer casing upper cover upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820168155.XU CN207705076U (en) | 2018-01-31 | 2018-01-31 | A kind of external waterproof and dustproof structure of microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820168155.XU CN207705076U (en) | 2018-01-31 | 2018-01-31 | A kind of external waterproof and dustproof structure of microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705076U true CN207705076U (en) | 2018-08-07 |
Family
ID=63031492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820168155.XU Active CN207705076U (en) | 2018-01-31 | 2018-01-31 | A kind of external waterproof and dustproof structure of microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207705076U (en) |
-
2018
- 2018-01-31 CN CN201820168155.XU patent/CN207705076U/en active Active
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