CN208256513U - A kind of seat memory switch of water proof and dust proof - Google Patents

Abstract

The utility model discloses a kind of seat memory of water proof and dust proof switches, including front cover, rear shell, the switch key being arranged on front cover, it further include the PCB circuit board being arranged between front cover and rear shell, the conductive silicon rubber mat being additionally provided between the front cover and rear shell above PCB circuit board, wherein, the inside of the front cover is equipped with the frame for being pressed together on the edge of top of conductive silicon rubber mat, and the lower surface of the conductive silicon rubber mat is equipped with and the matched holding tank of PCB circuit board shape.The purpose of the utility model is to provide a kind of seat memory of water proof and dust proof switches.

Description

A kind of seat memory switch of water proof and dust proof

Technical field

The utility model relates to auto-parts field, the seat memory of especially a kind of water proof and dust proof is switched.

Background technique

With the prosperity of automobile market, type is more and more abundant, the intelligence of the function of automotive interior setting also more.From Before, driver is changed in driving, first thing after getting on the bus, and seeks to adjustment seat position, adjusts the angle of three rearview mirrors.

Many vehicles have memory key now, as long as automobile friends are according to specification control operations, so that it may save very Mostly trifling trouble.

It is interior many times all in sealing state since automobile use environment is complicated, and in practical process, with rainwater More with the chance of tidal air contact, the service life of memory switch causes anxiety.

Utility model content

The purpose of the utility model is to provide a kind of seat memory of water proof and dust proof switches.

Technical solution provided by the utility model are as follows: a kind of seat memory switch of water proof and dust proof, including front cover, rear shell, Switch key on front cover is set, further includes the PCB circuit board being arranged between front cover and rear shell, the front cover and rear shell Between be additionally provided with conductive silicon rubber mat above PCB circuit board, wherein the inside of the front cover is equipped with and is pressed together on conductive silicon The lower surface of the frame at the edge of the top of rubber mat, the conductive silicon rubber mat is equipped with and the matched receiving of PCB circuit board shape Slot.

In the seat memory switch of above-mentioned water proof and dust proof, the upper surface of the rear shell, which is equipped with, is used to support PCB electricity The supporting layer of road plate, the supporting layer are made of the support plate of multiple intersections.

In the seat memory switch of above-mentioned water proof and dust proof, the PCB circuit board is equipped at least two fool proof hole, The supporting layer is equipped with the fool proof column cooperated with fool proof hole.

In the seat memory switch of above-mentioned water proof and dust proof, it is equipped in the front cover and cooperates with the switch key Hollow guide post, guide groove is equipped in the hollow guide post, the switch key is equipped with and the guide groove The guide plate of cooperation.

In the seat memory switch of above-mentioned water proof and dust proof, the hollow guide post is perpendicular to the section of its axis Rectangle, the guide groove are 4 and set up separately on four faces of the inside of guide post.

In the seat memory switch of above-mentioned water proof and dust proof, the edge of the switch key is equipped with flanging, adjacent Be equipped with partition between guide post, the outer surface of the partition and hollow guide post the distance between flanging with switch key Thickness matching.

In the seat memory switch of above-mentioned water proof and dust proof, the side of the front cover is equipped with fixation hole.

In the seat memory switch of above-mentioned water proof and dust proof, the PCB circuit board is equipped with contact pin；The rear shell It is equipped with the spliced eye passed through for contact pin.

In the seat memory switch of above-mentioned water proof and dust proof, the first sealing arranged up and down is equipped in the spliced eye Layer and the second sealant；The hole passed through for contact pin is equipped on first sealant and the second sealant.

The utility model is after adopting the above technical scheme, it has the beneficial effect that

Had using the electric silica gel and front cover that can coat PCB circuit board and conductive silicon rubber mat is pressed together in rear shell Frame, it is ensured that the steam and water droplet of top, which will not enter, makes short circuit in circuit, anti-with preferable waterproof Dirt effect.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment 1；

Fig. 2 is the explosive view of the utility model embodiment 1；

Fig. 3 is the cross-sectional view of the utility model embodiment 1.

Specific embodiment

With reference to embodiment, the technical solution of the utility model is described in further detail, but not structure Any restrictions of pairs of the utility model.

Embodiment 1:

As shown in Figure 1-3, a kind of seat memory of water proof and dust proof switchs, including front cover 1, rear shell 2, setting are on front cover 1 Switch key 3, further include the PCB circuit board 4 being arranged between front cover 1 and rear shell 2, between the front cover 1 and rear shell 2 also Equipped with the conductive silicon rubber mat 5 for being located at 4 top of PCB circuit board, wherein the inside of the front cover 1 is equipped with and is pressed together on electric silica gel The lower surface of the frame 6 at the edge of the top of pad 5, the conductive silicon rubber mat 5 is equipped with and the matched appearance of 4 shape of PCB circuit board Receive slot 7.

During the installation process, first PCB circuit board 4 is put into the holding tank 7 of conductive silicon rubber mat 5, then, will be equipped with The conductive silicon rubber mat 5 of PCB circuit board 4 is placed into rear shell 2, and front cover 1 is installed in rear shell 2, and frame 6 is made to push against electric silica gel Then switch key 3 is installed at the edge of pad 5.The good seal performance of the PCB circuit board 4 of the memory switch of this structure, energy Enough water proof and dust proofs.

In order to improve the stability of PCB circuit board 4, the upper surface of the rear shell 2, which is equipped with, is used to support PCB circuit board 4 Supporting layer, the supporting layer is made of the support plate 8 of multiple intersections, meanwhile, the benefit designed in this way is, even if rear shell 2 There is water, supporting layer can also accommodate a small amount of water, prevent water from keeping PCB circuit board 4 short-circuit.

In order to improve the reliability of installation, the PCB circuit board 4 is equipped at least two fool proof hole 9, the support Layer is equipped with the fool proof column 10 cooperated with fool proof hole 9.

In order to guarantee the reliable installation of switch key 3, it is equipped in the front cover 1 and the switch key 3 cooperation Hollow guide post 11, the hollow guide post 11 is interior to be equipped with guide groove 12, and the switch key 3 is equipped with and leads with described The guide plate 13 cooperated to slot 12, the hollow guide post 11 are rectangle, the guide groove perpendicular to the section of its axis 12 set up separately on four faces of the inside of guide post for 4.

In order to further increase dust tightness, the edge of the switch key 3 is equipped with flanging 14, between adjacent guide post Equipped with partition, the outer surface of the partition and hollow guide post 11 the distance between thickness with the flanging 14 of switch key 3 Degree matching.

Wherein, the side of the front cover 1 is equipped with fixation hole 19, the mounting stability of memory switch is improved, in addition, described PCB circuit board 4 be equipped with contact pin 15；The rear shell 2 is equipped with the spliced eye 16 passed through for contact pin 15.

The first sealant 17 arranged up and down and the are equipped in order to improve the leakproofness of rear shell 2, in the spliced eye 16 Two sealants 18；The hole passed through for contact pin 15 is equipped on first sealant 17 and the second sealant 18.

Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.

Claims (9)

1. a kind of seat memory of water proof and dust proof switchs, including front cover, rear shell, the switch key being arranged on front cover, feature It is: further includes the PCB circuit board being arranged between front cover and rear shell, be additionally provided between the front cover and rear shell positioned at PCB The conductive silicon rubber mat of circuit board, wherein the inside of the front cover is equipped with the edge for being pressed together on the top of conductive silicon rubber mat Frame, the lower surface of the conductive silicon rubber mat is equipped with and the matched holding tank of PCB circuit board shape.

2. the seat memory of water proof and dust proof according to claim 1 switchs, it is characterised in that: the upper surface of the rear shell Equipped with the supporting layer for being used to support PCB circuit board, the supporting layer is made of the support plate of multiple intersections.

3. the seat memory of water proof and dust proof according to claim 2 switchs, it is characterised in that: in the PCB circuit board Equipped at least two fool proof hole, the supporting layer is equipped with the fool proof column cooperated with fool proof hole.

4. the seat memory of water proof and dust proof according to claim 1 switchs, it is characterised in that: be equipped in the front cover with The hollow guide post of the described switch key cooperation, is equipped with guide groove in the hollow guide post, on the switch key Equipped with the guide plate with the guide groove cooperation.

5. the seat memory of water proof and dust proof according to claim 4 switchs, it is characterised in that: the hollow guide post is hung down It is directly rectangle in the section of its axis, the guide groove is 4 and sets up separately on four faces of the inside of guide post.

6. the seat memory of water proof and dust proof according to claim 4 switchs, it is characterised in that: the side of the switch key Edge is equipped with flanging, is equipped with partition, the distance between the partition and the outer surface of hollow guide post between adjacent guide post With the thickness matching of the flanging of switch key.

7. the seat memory of water proof and dust proof according to claim 1 switchs, it is characterised in that: the side of the front cover is set There is fixation hole.

8. the seat memory of water proof and dust proof according to claim 1 switchs, it is characterised in that: in the PCB circuit board Equipped with contact pin；The rear shell is equipped with the spliced eye passed through for contact pin.

9. the seat memory of water proof and dust proof according to claim 8 switchs, it is characterised in that: be equipped in the spliced eye First sealant and the second sealant arranged up and down；It is equipped on first sealant and the second sealant and is worn for contact pin The hole crossed.