CN109841438A - A kind of dustproof construction of microswitch - Google Patents
A kind of dustproof construction of microswitch Download PDFInfo
- Publication number
- CN109841438A CN109841438A CN201910030980.2A CN201910030980A CN109841438A CN 109841438 A CN109841438 A CN 109841438A CN 201910030980 A CN201910030980 A CN 201910030980A CN 109841438 A CN109841438 A CN 109841438A
- Authority
- CN
- China
- Prior art keywords
- terminal
- dust
- upper cover
- microswitch
- dustproof construction
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 41
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000428 dust Substances 0.000 claims abstract description 21
- 239000011324 bead Substances 0.000 claims abstract description 17
- 230000014759 maintenance of location Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 2
- 210000003371 toe Anatomy 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/36—Snap-action arrangements depending upon deformation of elastic members using flexing of blade springs
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The present invention relates to a kind of dustproof constructions of microswitch, including pedestal and upper cover, upper cover is mounted on the base, it is preset with a mounting hole on upper lid, pressing piece is installed in mounting hole, which extends upper cover upper surface, the pressing piece includes the pocket platform for blocks dust and the button that connect with pocket platform, a groove is equipped between the button and pocket platform, the mounting hole lower part is provided with the dust-proof protrusion extended downwardly, and the dust-proof protrusion extends in groove.The dustproof construction of microswitch of the invention is ingenious in design, effectively stops and reduces dust from upper cover with inside access switch in button, the gap cooperated with pocket platform, improves the stability and service life of microswitch.Retention bead on upper lid is set, the composition dust-proof barrier of multiple tracks, it is effective to stop and reduce dust inside access switch in the gap of upper cover and button and the cooperation of pocket platform, while pressing piece is effectively ensured and slides up and down steady and smooth, shaking will not be generated, is worked more reliable and more stable.
Description
Technical field
The present invention relates to field of switches, especially with regard to a kind of dustproof construction of microswitch.
Background technique
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.Microswitch
As a kind of control element, often needs to cooperate with other elements, be switched on or switched off signal or circuit.
Since microswitch inner space is small, each component actuation precision is all higher, and inside can drop significantly if there is dust
Muting sensitivity.There is gap in the shell of existing microswitch and pressing piece position, without corresponding dustproof construction, dust etc.
Be easy from gap enter shell in influence switch normal work.In the prior art, the pressing piece of the structure of dustproof and waterproof is
It is made of button and silica gel, not only cannot achieve pressing piece and be integrally detached from upper cover execution downward motion, but also need volume
It is outer to use silica gel or similar elastic extension material dust-proof to realize, it can no longer meet the feeling of increasingly harsh user experience
It is required that.
Summary of the invention
In view of this, the present invention is in order to solve the above technical problems, provide a kind of ingenious in design, effectively blocking and reduction dust
From the dustproof construction of the microswitch in upper cover and button, the gap with the cooperation of pocket platform inside access switch.
The purpose of the present invention is achieved through the following technical solutions:
A kind of dustproof construction of microswitch, including pedestal and upper cover, upper cover are mounted on the base, and a peace is preset on upper lid
Hole is filled, pressing piece is installed in mounting hole, which extends upper cover upper surface, and the pressing piece includes for hindering
The button for keeping off the pocket platform of dust and connecting with pocket platform is equipped with one or more grooves between the button and pocket platform.
Preferably, the mounting hole lower part is provided with the dust-proof protrusion of one or more extended downwardly, the dust-proof protrusion
It extends in groove.
Further, the dustproof construction of the microswitch further includes the terminal being plugged on pedestal and connects with termination contact
The elastic slice connect.
Preferably, the elastic slice includes the tongue piece that middle part or neighbouring middle part is arranged in, the elastic slice touching that tongue piece side is arranged in
Point and the load area that the tongue piece other side is arranged in, the load area is contacted with pressing piece.
Preferably, the pedestal external wall of upper portion and upper surface are equipped with around the one week dust-proof step surface in pedestal top outer, on
Lid lower inner wall and lower end surface are equipped with the sealing station terrace being in close contact with the dust-proof step surface.
Further, the pedestal is additionally provided with back-off, and upper cover is additionally provided with the hanging hole to match with back-off, and back-off is caught in
Dust-proof step surface and sealing station terrace are in close contact when in hanging hole.
Preferably, the upper cover lower surface is provided with the retention bead extended downwardly, and retention bead is surrounded on pocket platform periphery
And with pocket platform outer wall sliding contact.
Preferably, the button extends to outside mounting hole, and the mounting hole has cross sectional shape identical with button top.
Further, the terminal includes the first terminal being plugged on pedestal, Second terminal and third terminal, and described
One terminal and elastic slice connect, and the shrapnel contact can connect in the stroke range of tongue piece with Second terminal or third terminal
Touching.
Preferably, the pressing piece further includes the lower convexity contacted with load area, and the first terminal top is equipped with and is used for
The first crossbar of support elastic slice, the first crossbar are equipped with the slot position for lower convexity downlink, and the Second terminal top is equipped with
Second crossbar, second crossbar is equipped with for contacting the terminal contact with Continuity signal with shrapnel contact, in the third terminal
Portion is equipped with third cross bar.
Preferably, the third cross bar is located at the top of second crossbar, and shrapnel contact setting is horizontal in second crossbar and third
Between bar, the shrapnel contact can be contacted in the stroke range of tongue piece with Second terminal or third terminal.
The pressing piece downlink pre-determined distance, shrapnel contact touch in the stroke range of tongue piece with the terminal in second crossbar
Point contact；The pressing piece uplink pre-determined distance, shrapnel contact in the stroke range of tongue piece with third beam contact.
Compared with the prior art, the invention has the advantages that:
In the prior art, the pressing piece of the structure of dustproof and waterproof is made of handle+silica gel, can not be integrally detached under execution
Pressure movement, but in the dustproof construction of microswitch of the invention, by ingehious design, without introducing silica gel, dust-proof pocket platform can be whole
Body downward motion is arranged groove in pressing piece upper surface and protrusion is arranged in mounting hole lower surface, and protrusions are caught in groove,
It is dust-proof by the cooperation realization of groove and protrusion, it effectively prevent dust between pressing piece and upper cover, between upper cover and pedestal
Junction enters inside, improves the stability and service life of microswitch.Retention bead on upper lid is set, it can also basis
Actual needs, forms the dust-proof barrier of multiple tracks, effectively stop and reduce dust from upper cover and button, the gap cooperated with pocket platform into
Enter switch internal, while pressing piece is effectively ensured and slides up and down steady and smooth, shaking will not be generated, works more reliable and more stable.
Detailed description of the invention
Fig. 1 is the structure chart of the dustproof construction of microswitch in embodiment 1.
Fig. 2 is the explosive view of the dustproof construction of microswitch in embodiment 1.
Fig. 3 is the sectional view of the dustproof construction of microswitch in embodiment 1.
Fig. 4 is the sectional view of the dustproof construction of microswitch in embodiment 1.
Fig. 5 is the sectional view of the dustproof construction of microswitch in embodiment 2.
Fig. 6 is the sectional view of the dustproof construction of microswitch in embodiment 2.
Fig. 7 is the 3 dimensional drawing of pressing piece in embodiment 2.
Fig. 8 is the 3 dimensional drawing of pressing piece in embodiment 3.
Fig. 9 is the 3 dimensional drawing of pressing piece in embodiment 4.
Figure 10 is the 3 dimensional drawing of pressing piece in embodiment 5.
Figure 11 is the 3 dimensional drawing of pressing piece in embodiment 6.
Figure 12 is the 3 dimensional drawing of pressing piece in embodiment 7.
Figure 13 is the 3 dimensional drawing of pressing piece in embodiment 8.
Figure 14 is the 3 dimensional drawing of pressing piece in embodiment 9.
Figure 15 is the 3 dimensional drawing of pressing piece in embodiment 10.
Figure 16 is the 3 dimensional drawing of pressing piece in embodiment 11.
Figure 17 is the 3 dimensional drawing of pressing piece in embodiment 12.
Figure 18 is the sectional view of the dustproof construction of microswitch in embodiment 13.
Figure 19 is the enlarged drawing of a-quadrant in Figure 18.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, making below in conjunction with specific embodiments and drawings to the present invention further
Detailed description.
Fig. 1-4 is please referred to, the embodiment of the present invention 1 includes:
A kind of dustproof construction of microswitch, including pedestal 10, upper cover 20, the first terminal 50, second being plugged on pedestal 10
Terminal 60, third terminal 70 and the elastic slice 30 connected with first terminal 50, upper cover 20 is installed on pedestal 10, in upper cover
It is preset with a mounting hole 21 on 20, pressing piece 40 is installed in mounting hole 21, which extends in upper cover 20
End face, pressing piece 40 includes the pocket platform 41 for blocks dust and the button 42 that connect with pocket platform 41, between button 42 and pocket platform 41
Equipped with a groove 43,21 lower part of mounting hole is provided with dust-proof raised 22 extended downwardly, and dust-proof raised 22 extend in groove 43；
Elastic slice 30 includes the tongue piece 31 that middle part or neighbouring middle part is arranged in, the shrapnel contact 32 that 31 side of tongue piece is arranged in and is arranged in tongue
The load area 33 of 31 other side of piece, load area 33 are contacted with pressing piece 40, and shrapnel contact 32 can be in the stroke range of tongue piece 31
It is contacted with Second terminal 60 or third terminal 70.Pressing piece 40 further includes the lower convexity 44 contacted with load area 33, first terminal
50 tops are equipped with the first crossbar 51 for support elastic slice 30, are equipped with windowing by the load area 33 of elastic slice 30, elastic slice passes through windowing
It buckles and is mounted in first crossbar 51, specifically, the front end of tongue piece 31 is stuck at the side walls collapse of first crossbar 51, first crossbar
51 are equipped with the slot position 52 for 44 downlink of lower convexity, and 60 top of Second terminal is equipped with second crossbar 61, and second crossbar 61 is equipped with
For contacting the terminal contact with Continuity signal with shrapnel contact 32,70 top of third terminal is equipped with third cross bar 71, and third is horizontal
Bar 71 is located at the top of second crossbar 61, and shrapnel contact 32 is arranged between second crossbar 61 and third cross bar 71.
Under free state, pressing piece pocket platform convex plays 45 and is connected on upper cover inner wall, and dust-proof protrusion (22) and button side walls are held in the mouth
It connects, retention bead 24 is connected with pocket platform outer wall, constitutes a complete dustproof construction.Push work when, when have dust enter by
Behind free gap between casting die 40 and upper cover 20, fall into groove 43, dust-proof raised 22 and retention bead 24 can blocks dust, will
Dust is blocked in groove 43, effectively stops and reduce dust access switch from the gap that upper cover and button and pocket platform cooperate
It is internal.
Under natural conditions, pressing piece pocket platform convex plays 45 and is connected on upper cover inner wall, when pushing work, under 40 entirety of pressing piece
It is capable to be detached from a distance with upper cover 20, shrapnel contact 32 in the stroke range of tongue piece 31 with the terminal contact in second crossbar 61
Contact；40 uplink a distance of pressing piece, shrapnel contact 32 separate with terminal contact in the stroke range of tongue piece 31 and with
The contact of three cross bars 71.By pushing or unclamping pressing piece 40, the movement of elastic slice downlink or uplink is pushed, to realize switching circuit
Conducting and disconnection.
Further, since being linked together between upper cover 20 and pedestal 10 for later period buckle, dust is from 20 He of upper cover in order to prevent
Gap between pedestal 10 enters inside microswitch, and 10 external wall of upper portion of pedestal and upper surface are equipped with around 10 top outer one of pedestal
The dust-proof step surface 11 in week, 20 lower inner wall of upper cover and lower end surface are equipped with the sealed step being in close contact with dust-proof step surface 11
Face, which makes pedestal 10 and 20 contact surface of upper cover form a L-type curved surface can effectively prevent as shown in hacures in attached drawing 2
Dust enters inside by the gap between upper cover 20 and pedestal 10.
In order to guarantee that pedestal 10 and 20 connection structure of upper cover are stablized, prevent between pedestal 10 and upper cover 20 gap become larger and into
Enter dust, pedestal 10 is additionally provided with back-off 12, and upper cover 20 is additionally provided with the hanging hole 23 to match with back-off 12, and back-off 12 is caught in extension
Dust-proof step surface 11 is in close contact with sealing station terrace when in hole 23, and back-off 12, which is stuck in hanging hole 23, prevents upper cover 20 from pedestal 10
On fall off.
Also, in order to guarantee that pressing piece 40 slides up and down smoothly, when sliding, will not generate shaking, improve reliability
Can, 20 lower surface of upper cover is provided with the retention bead 24 extended downwardly, retention bead 24 be surrounded on 41 periphery of pocket platform and with pocket platform
41 outer wall sliding contacts, retention bead 24 play good guiding position-limiting action to the up and down motion of pressing piece 40.
Button 42 extends to outside mounting hole 21, and 21 section of mounting hole is cross, and pocket platform 41 is circle, and button 42 is round end
Cross.
Fig. 5-7 is please referred to, the embodiment of the present invention 2 includes:
Different from embodiment 1, pressing piece 240 is recessed including circular pocket platform 241, criss-cross button 242, first in embodiment 2
Slot 243, the first pocket platform convex play the 244, second groove 245, the second pocket platform convex plays 246 and lower convexity 247, are provided with first on upper lid
Dust-proof raised 221, second dust-proof raised 223 and retention bead 225, be between first dust-proof raised 221 and second dust-proof raised 223
First recessed groove 222 is the second recessed groove 224 between second dust-proof raised 223 and retention bead 225.When not pressing pressing piece, the
One dust-proof raised 221 is insinuated into the first groove 243, the first pocket platform convex 244 is insinuated into the first recessed groove 222, second prevents
Dirt protrusion 223 is insinuated into the second groove 245, the second pocket platform convex plays 246 and is insinuated into the second recessed groove 224, wherein the second pocket
The side wall that platform convex plays 246 lateral walls and retention bead 225 contacts with each other or adjacent to one another.In the present embodiment 2, shares twice and seal dirt
Barrier is further reduced dust and occurs from the situation inside pocket platform and upper cover gap access switch.
Referring to FIG. 8, the embodiment of the present invention 3 includes:
Different from embodiment 1, in embodiment 3 pressing piece 340 include rectangular pocket platform 341, it is the criss-cross button 342 of round end, recessed
Slot 343, mounting hole section are cross, remaining structure is identical as the dustproof construction of microswitch in embodiment 1.
Referring to FIG. 9, the embodiment of the present invention 4 includes:
Different from embodiment 1, in embodiment 4 pressing piece 440 include circular pocket platform 441, it is the criss-cross button 442 of square toes, recessed
Slot 443, mounting hole section are cross, remaining structure is identical as the dustproof construction of microswitch in embodiment 1.
Referring to FIG. 10, the embodiment of the present invention 5 includes:
Different from embodiment 1, in embodiment 5 pressing piece 540 include rectangular pocket platform 541, it is the criss-cross button 542 of square toes, recessed
Slot 543, mounting hole section are cross, remaining structure is identical as the dustproof construction of microswitch in embodiment 1.
Figure 11 is please referred to, the embodiment of the present invention 6 includes:
Different from embodiment 1, pressing piece 640 includes the button 642, recessed of circular pocket platform 641, round end linear type in embodiment 6
Slot 643, mounting hole section are linear type, remaining structure is identical as the dustproof construction of microswitch in embodiment 1.
Figure 12 is please referred to, the embodiment of the present invention 7 includes:
Different from embodiment 1, pressing piece 740 includes circular pocket platform 741, circular button 742, groove 743 in embodiment 7,
Mounting hole section is circle, remaining structure is identical as the dustproof construction of microswitch in embodiment 1.
Figure 13 is please referred to, the embodiment of the present invention 8 includes:
Different from embodiment 1, in embodiment 8 pressing piece 840 include circular pocket platform 841, it is the criss-cross button 842 of round end, recessed
Slot 843, wherein button 842 includes the button external and be cross positioned at button external lining, shape that shape is circle ring column
The button interior of cylinder, mounting hole section are circle, remaining structure is identical as the dustproof construction of microswitch in embodiment 1.
Figure 14 is please referred to, the embodiment of the present invention 9 includes:
Different from embodiment 1, in embodiment 9 pressing piece 940 include rectangular pocket platform 941, it is the criss-cross button 942 of round end, recessed
Slot 943, button 942 are the button pedestal 9421 of cylindrical body including shape and are column positioned at 9421 upper surface of button pedestal, shape
The button top 9422 of body, button top cross section are cross, and mounting hole section is round, in remaining structure and embodiment 1
Microswitch dustproof construction it is identical.
Figure 15 is please referred to, the embodiment of the present invention 10 includes:
Different from embodiment 1, pressing piece 1040 includes rectangular pocket platform 1041, the criss-cross button of round end in embodiment 10
1042, groove 1043, button 1042 include shape for the button pedestal 10421 of cylindrical body and are located at table on button pedestal 10421
Face, the button top 10422 that shape is cylinder, button top cross section are linear type, and mounting hole section is circle, remaining structure
It is identical as the dustproof construction of the microswitch in embodiment 1.
Figure 16 is please referred to, the embodiment of the present invention 11 includes:
Different from embodiment 1, in embodiment 11 pressing piece 1140 include circular pocket platform 1141, T shape semilunar button 1042,
Groove 1043, mounting hole section are T shape semilunar, remaining structure is identical as the dustproof construction of microswitch in embodiment 1.
Figure 17 is please referred to, the embodiment of the present invention 12 includes:
Different from embodiment 1, pressing piece 1240 includes circular pocket platform 1241, criss-cross button semilunar in embodiment 12
1242, groove 1243, mounting hole section are cross semilunar, the dust-proof knot of the microswitch in remaining structure and embodiment 1
Structure is identical.
Figure 18-19 is please referred to, the embodiment of the present invention 13 includes:
Originally it is same as embodiment 1, in embodiment 13, pressing piece 1340 includes pocket platform, button 1342 and groove 1343, and pocket platform is equipped with
Pocket platform convex plays 1341, and upper cover 1320 is provided with dust-proof raised 1321 and retention bead 1322, the side wall of button 1342 with it is dust-proof convex
There are the first small gaps 1301 between playing 1321, and there are the second small gaps between dust-proof raised 1321 and pocket platform convex 1341
1302, pocket platform convex plays 1341, and there are small third spaces 1303 with retention bead 1322.
In other embodiments, according to actual demand, the quantity of the groove on pressing piece can be greater than two, upper cover it is anti-
Dirt protrusion is also greater than two.
In the prior art, the pressing piece of the structure of dustproof and waterproof is made of handle+silica gel, can not be integrally detached from and be held
Row downward motion, but the dustproof construction of the above-mentioned microswitch in the present embodiment 1-12, by ingehious design, without introducing silicon
Glue, dust-proof pocket platform can whole downward motion, and effectively stop and reduce dust from upper cover and button, the gap cooperated with pocket platform
Inside access switch, the stability and service life of microswitch are improved.Retention bead on upper lid is set, and composition multiple tracks is anti-
Dirt barrier, it is effective to stop and reduce dust inside access switch in the gap of upper cover and button and the cooperation of pocket platform, while effectively
Guarantee that pressing piece slides up and down steady and smooth, shaking will not be generated, works more reliable and more stable.
Although description of this invention combination embodiments above carries out, those skilled in the art
Member can carry out many replacements based on the above contents, modifications and variations, be obvious.Therefore, all such substitutions,
Improvements and changes are included in the spirit and scope of appended claims.
Claims (12)
1. a kind of dustproof construction of microswitch, which is characterized in that including pedestal (10) and upper cover (20), upper cover (20) is installed on
On pedestal (10), it is preset with a mounting hole (21) on upper cover (20), pressing piece (40) are installed in mounting hole (21), this is pressed
Upper cover (20) upper surface is extended in casting die (40) upper end, the pressing piece (40) include for blocks dust pocket platform (41) and with
The button (42) of pocket platform (41) connection is equipped with one or more grooves (43) between the button (42) and pocket platform (41).
2. the dustproof construction of microswitch according to claim 1, which is characterized in that mounting hole (21) the lower part setting
There is the dust-proof protrusion (22) of the one or more extended downwardly, dust-proof raised (22) extend in groove (43).
3. the dustproof construction of microswitch according to claim 1, which is characterized in that further include the end being plugged on pedestal
Son and the elastic slice (30) being connect with termination contact.
4. the dustproof construction of microswitch according to claim 3, which is characterized in that the elastic slice (30) includes that setting exists
The tongue piece (31) at middle part or neighbouring middle part, setting are another in tongue piece (31) in the shrapnel contact (32) of tongue piece (31) side and setting
The load area (33) of side, the load area (33) contact with pressing piece (40).
5. the dustproof construction of microswitch according to claim 1, which is characterized in that pedestal (10) external wall of upper portion and
Upper surface is equipped with around the one week dust-proof step surface (11) in pedestal (10) top outer, and upper cover (20) lower inner wall and lower end surface are equipped with
The sealing station terrace being in close contact with the dust-proof step surface (11).
6. the dustproof construction of microswitch according to claim 5, which is characterized in that the pedestal (10) is additionally provided with down
Detain (12), upper cover (20) be additionally provided with back-off (12) hanging hole (23) that matches, back-off (12) be caught in hanging hole (23) it is interior when it is anti-
Dirt step surface (11) and sealing station terrace are in close contact.
7. the dustproof construction of microswitch according to claim 1, which is characterized in that upper cover (20) the lower surface setting
There is the retention bead (24) extended downwardly, retention bead (24) is surrounded on pocket platform (41) periphery and connects with the sliding of pocket platform (41) outer wall
Touching.
8. the dustproof construction of microswitch according to claim 1, which is characterized in that the button (42) extends to installation
Hole (21) is outside.
9. the dustproof construction of microswitch described in any one of -8 according to claim 1, which is characterized in that the terminal packet
Include the first terminal (50) being plugged on pedestal (10), Second terminal (60) and third terminal (70), the first terminal (50)
Connected with elastic slice (30), the shrapnel contact (32) can in the stroke range of tongue piece (31) with Second terminal (60) or the
Three terminals (70) contact.
10. the dustproof construction of microswitch according to claim 9, which is characterized in that the pressing piece (40) further includes
The lower convexity (44) contacted with load area (33), first terminal (50) top are equipped with horizontal for the first of support elastic slice (30)
Bar (51), the first crossbar (51) are equipped with the slot position (52) for lower convexity (44) downlink, Second terminal (60) top
Equipped with second crossbar (61), second crossbar (61) is equipped with for contacting the terminal touching with Continuity signal with shrapnel contact (32)
Point, third terminal (70) top are equipped with third cross bar (71).
11. the dustproof construction of microswitch according to claim 10, which is characterized in that the third cross bar (71) is located at
The top of second crossbar (61), shrapnel contact (32) is arranged between second crossbar (61) and third cross bar (71), described
Shrapnel contact (32) can contact in the stroke range of tongue piece (31) with Second terminal (60) or third terminal (70).
12. the dustproof construction of microswitch according to claim 10, which is characterized in that pressing piece (40) downlink is pre-
If distance, shrapnel contact (32) is contacted in the stroke range of tongue piece (31) with the terminal contact on second crossbar (61)；It is described
Pressing piece (40) uplink pre-determined distance, shrapnel contact (32) contact in the stroke range of tongue piece (31) with third cross bar (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/076790 WO2020042572A1 (en) | 2018-08-28 | 2019-03-04 | Dust-proof structure for micro switch |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821393535 | 2018-08-28 | ||
| CN201821393535X | 2018-08-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109841438A true CN109841438A (en) | 2019-06-04 |
| CN109841438B CN109841438B (en) | 2024-01-30 |
Family
ID=66883832
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920054076.0U Active CN209282095U (en) | 2018-08-28 | 2019-01-14 | A kind of dustproof construction of microswitch |
| CN201910030980.2A Active CN109841438B (en) | 2018-08-28 | 2019-01-14 | Dustproof structure of micro switch |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920054076.0U Active CN209282095U (en) | 2018-08-28 | 2019-01-14 | A kind of dustproof construction of microswitch |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN209282095U (en) |
| WO (1) | WO2020042572A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209282095U (en) * | 2018-08-28 | 2019-08-20 | 惠州市正牌科电有限公司 | A kind of dustproof construction of microswitch |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136381A (en) * | 2011-03-23 | 2011-07-27 | 余正明 | Non-permeable minitype side key switch |
| JP2015153683A (en) * | 2014-02-18 | 2015-08-24 | ミック電子工業株式会社 | Waterproof and dust-proof switch, and method for manufacturing the same |
| CN205004217U (en) * | 2015-08-31 | 2016-01-27 | 浙江键富电子有限公司 | Waterproof and dustproof light touch switch |
| CN105575706A (en) * | 2016-02-18 | 2016-05-11 | 东莞市高特电子有限公司 | Mechanical keyboard switch having dustproof function |
| CN205845797U (en) * | 2016-06-03 | 2016-12-28 | 皮华程 | The dustproof construction of the mechanical keyboard switch of improvement |
| CN207765353U (en) * | 2018-01-22 | 2018-08-24 | 惠州市正牌科电有限公司 | A kind of interior waterproof dustproof construction of microswitch |
| CN209282095U (en) * | 2018-08-28 | 2019-08-20 | 惠州市正牌科电有限公司 | A kind of dustproof construction of microswitch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201081807Y (en) * | 2007-02-02 | 2008-07-02 | 富士康(昆山)电脑接插件有限公司 | Touch switch |
| CN201259854Y (en) * | 2008-08-27 | 2009-06-17 | 厦门金思维电子有限公司 | Water-proof microswitch |
| CN202384225U (en) * | 2011-12-21 | 2012-08-15 | 厦门金思维电子有限公司 | Dustproof micro switch |
-
2019
- 2019-01-14 CN CN201920054076.0U patent/CN209282095U/en active Active
- 2019-01-14 CN CN201910030980.2A patent/CN109841438B/en active Active
- 2019-03-04 WO PCT/CN2019/076790 patent/WO2020042572A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136381A (en) * | 2011-03-23 | 2011-07-27 | 余正明 | Non-permeable minitype side key switch |
| JP2015153683A (en) * | 2014-02-18 | 2015-08-24 | ミック電子工業株式会社 | Waterproof and dust-proof switch, and method for manufacturing the same |
| CN205004217U (en) * | 2015-08-31 | 2016-01-27 | 浙江键富电子有限公司 | Waterproof and dustproof light touch switch |
| CN105575706A (en) * | 2016-02-18 | 2016-05-11 | 东莞市高特电子有限公司 | Mechanical keyboard switch having dustproof function |
| CN205845797U (en) * | 2016-06-03 | 2016-12-28 | 皮华程 | The dustproof construction of the mechanical keyboard switch of improvement |
| CN207765353U (en) * | 2018-01-22 | 2018-08-24 | 惠州市正牌科电有限公司 | A kind of interior waterproof dustproof construction of microswitch |
| CN209282095U (en) * | 2018-08-28 | 2019-08-20 | 惠州市正牌科电有限公司 | A kind of dustproof construction of microswitch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN209282095U (en) | 2019-08-20 |
| CN109841438B (en) | 2024-01-30 |
| WO2020042572A1 (en) | 2020-03-05 |
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