CN107068446B - Micro switch - Google Patents
Micro switch Download PDFInfo
- Publication number
- CN107068446B CN107068446B CN201710384613.3A CN201710384613A CN107068446B CN 107068446 B CN107068446 B CN 107068446B CN 201710384613 A CN201710384613 A CN 201710384613A CN 107068446 B CN107068446 B CN 107068446B
- Authority
- CN
- China
- Prior art keywords
- housing
- movable contact
- contact piece
- connecting part
- guide post
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/0264—Protective covers for terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to a novel microswitch which comprises a partition plate, a movable contact spring connecting part and a base, wherein the movable contact spring connecting part and the base are arranged below the partition plate, the rear ends of the partition plate and the movable contact spring connecting part are respectively and fixedly connected with one side of the base, the left side and the right side of the partition plate are respectively provided with a water retaining rib extending downwards, and the water retaining ribs are correspondingly arranged on the outer side of the movable contact spring connecting part so as to prevent condensed water drops from dropping onto the movable contact spring connecting part. The movable contact piece connecting part is provided with a water blocking rib, the water blocking rib is arranged on the surface of the partition board, and the water blocking rib is arranged on the surface of the movable contact piece connecting part.
Description
Technical Field
The invention relates to the field of washing machines, in particular to a microswitch.
Background
In current washing machine, micro-gap switch's static contact connecting portion and movable contact connecting portion all expose in the air, and washing machine's operational environment is dark moist, the easy condensation drop on the division board between static contact connecting portion and the movable contact connecting portion, and the drop of water can cause insulation resistance to diminish on dropping to the movable contact connecting portion, arouses the electric leakage, strike sparks electric arc, even accident such as strike sparks, in addition, still can cause the electrical apparatus to corrode, and rust also can cause to strike sparks electric arc.
Meanwhile, the static contact and the movable contact of the existing microswitch are generally exposed in the air, or the outside of the static contact and the movable contact are sleeved with a non-closed insulating sleeve, but the mode is not beneficial to the dissipation of water vapor, and is easy to condense water drops and corrode electrical appliances.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a microswitch, which is used for avoiding insulation resistance reduction and electric appliance corrosion caused by condensed water drops.
In order to realize the purpose, the invention adopts the following technical scheme:
the utility model provides a micro-gap switch, includes the division board, locates movable contact spring connecting portion and base of division board below, the rear end of division board and movable contact spring connecting portion respectively with one side looks fixed connection of base, the left and right sides of division board is equipped with a downwardly extending's manger plate muscle respectively, and the manger plate muscle corresponds and locates the movable contact spring connecting portion outside to avoid the drop of water that condenses to drip on the movable contact spring connecting portion.
Furthermore, the water retaining rib extends forwards from the rear end of the isolation plate, and the extending length of the water retaining rib is greater than or equal to the length corresponding to the movable contact piece connecting part;
preferably, the extension length of the water retaining rib is greater than the corresponding length of the movable contact piece connecting part.
Further, the distance of the two water blocking ribs in the horizontal direction is larger than the corresponding width of the movable contact piece connecting part.
Furthermore, the movable contact piece connecting part is arranged in the middle of the two water retaining ribs, so that the distance between the movable contact piece connecting part and the two water retaining ribs is equal.
Furthermore, one side of the water blocking rib, which is close to the movable contact piece connecting part, is an inclined plane formed by gradually approaching the isolating plate from the lower end of the water blocking rib;
preferably, one side of the two water retaining ribs close to the movable contact spring connecting part and the isolating plate form an arch structure.
Furthermore, the micro switch also comprises a static contact piece and a movable contact piece arranged below the static contact piece, the front ends of the static contact piece and the movable contact piece are fixedly connected with the other side of the base, the rear ends of the static contact piece and the movable contact piece are respectively provided with a static contact and a movable contact, the static contact piece and the movable contact piece are arranged inside an airtight shell fixedly connected with the base, a guide pillar is arranged below the movable contact, the upper end of the guide pillar is arranged inside the shell and is connected with the shell in a clamping mode, the lower end of the guide pillar penetrates through the shell and is arranged outside the shell and used for pushing the guide pillar, the guide pillar pushes the movable contact, and the movable contact and the static contact are connected.
Further, the shell comprises a first shell and a second shell, the first shell is fixedly connected with the base, and the second shell is detachably connected with the first shell to achieve opening and closing of the shell.
Furthermore, the first shell is provided with at least one pair of oppositely arranged bulges or grooves, the second shell is provided with corresponding grooves or bulges, and the bulges are buckled and connected with the grooves to realize the fixed connection of the first shell and the second shell.
Further, the housing is divided longitudinally to form a first housing and a second housing, the first housing is arranged on the left side or the right side of the static contact piece and the movable contact piece, and the second housing is arranged on the right side or the left side of the static contact piece and the movable contact piece, so that the assembly is facilitated.
Furthermore, the upper end of the guide post is provided with a radially protruding clamping protrusion, the lower end of the first shell is provided with an extending part extending towards the moving contact, and at least part of the clamping protrusion is clamped above the extending part to realize the fixed connection of the guide post and the first shell;
preferably, the end of the extending part is provided with a notch, the part of the guide post below the clamping protrusion is embedded into the notch, and the second shell is fixedly connected with the first shell and matched with the notch to realize the fixed connection of the guide post and the shell.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, water drops on the isolating plate are prevented from dropping on the connecting part of the movable contact piece through the water retaining rib, specifically, water mist on the surface of the isolating plate can gradually move to the water retaining rib along the surface of the isolating plate in the process of condensing into water drops, and the condensed water drops finally fall from the lower end of the water retaining rib, so that the reduction of insulation resistance and the corrosion of electric appliances are avoided, and accidents such as electric leakage, ignition, electric arc and even ignition caused by the reduction of insulation distance are avoided.
(2) The invention avoids the water vapor entering and the condensation of water drops through the closed shell, thereby avoiding the reduction of the insulation distance and the corrosion of electric appliances, and avoiding the accidents of electric leakage, ignition, electric arc, even ignition and the like caused by the reduction of the insulation distance.
(3) The water retaining rib and the shell have simple structures, convenient operation and low manufacturing cost, and are suitable for batch production.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of the microswitch provided by the present invention without a housing;
FIG. 2 is a schematic diagram of the microswitch provided by the present invention with the housing open;
FIG. 3 is a schematic diagram of a microswitch with a housing provided by the present invention;
FIG. 4 is a schematic view of the microswitch provided by the present invention at another angle;
FIG. 5 is a schematic view of the microswitch provided by the present invention at another angle;
wherein the names of the components are as follows:
1-static contact piece connecting part, 2-isolation plate, 3-moving contact piece connecting part, 4-moving contact piece, 5-moving contact, 6-static contact, 7-static contact piece, 8-base, 9-water retaining rib, 10-first shell, 11-clamping projection, 12-guide post, 13-shell, 14-second shell, 15-extension part.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments are clearly and completely described below, and the following embodiments are used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1-5, an embodiment of the present invention introduces a micro switch, which includes a separating plate 2, a moving contact piece connecting portion 3 disposed below the separating plate 2, and a base 8, wherein rear ends of the separating plate 2 and the moving contact piece connecting portion 3 are respectively fixedly connected to one side of the base 8, left and right sides of the separating plate 2 are respectively provided with a water blocking rib 9 extending downward, and the water blocking rib 9 is correspondingly disposed outside the moving contact piece connecting portion 3 to prevent condensed water droplets from dropping onto the moving contact piece connecting portion 3.
In the existing washing machine, the static contact connecting part 1 and the movable contact connecting part 3 of the microswitch are both exposed in the air, the working environment of the washing machine is dark and humid, water drops easily condense on the isolation plate 2 between the static contact connecting part 1 and the movable contact connecting part 3, the water drops on the movable contact connecting part 3 to cause the insulation resistance to be reduced, accidents such as electric leakage, arcing and even arcing are caused, besides, the corrosion of an electric appliance can be caused, and rusting can also cause the arcing to occur. According to the invention, water drops on the isolating plate 2 are prevented from dropping on the movable contact piece connecting part 3 through the water blocking ribs 9, specifically, water mist on the surface of the isolating plate 2 can gradually move to the water blocking ribs 9 on two sides along the surface of the partition plate in the process of being condensed into water drops, and the condensed water drops finally fall from the lower end of the water blocking ribs 9, so that the reduction of insulation resistance and the corrosion of electric appliances are avoided, and accidents such as electric leakage, arcing and even firing caused by the reduction of insulation distance are avoided.
The width of the water retaining rib 9 is 0.5mm, and the height is 1 mm.
And a static contact connecting part 1 is arranged above the isolating plate 2.
Preferably, the front end of the isolation plate 2 is also provided with a water blocking rib 9 extending downwards.
The water blocking ribs 9 are connected with the two water blocking ribs 9.
Example one
As shown in fig. 1-5, in the present embodiment, the left and right sides of the isolation plate 2 are respectively provided with a water blocking rib 9 extending downward, the water blocking rib 9 is correspondingly disposed outside the moving contact piece connecting portion 3 to prevent condensed water drops from dripping onto the moving contact piece connecting portion 3, and the water blocking rib 9 extends forward from the rear end of the isolation plate 2, and the extension length thereof is greater than or equal to the length corresponding to the moving contact piece connecting portion 3.
Through the arrangement, water drops condensed from water mist at the position corresponding to the movable contact piece connecting part 3 on the isolation plate 2 can all drip from the water retaining rib 9, so that the water drops are prevented from dripping onto the movable contact piece connecting part 3.
Preferably, the extending length of the water blocking rib 9 is larger than the corresponding length of the movable contact piece connecting part 3.
Wherein, the distance of the two water blocking ribs 9 in the horizontal direction is larger than the corresponding width of the movable contact piece connecting part 3.
The arrangement ensures that the water retaining rib 9 is correspondingly arranged outside the movable contact piece connecting part 3.
Specifically, the moving contact piece connecting part 3 is arranged in the middle of the two water blocking ribs 9, so that the distance between the moving contact piece connecting part 3 and the two water blocking ribs 9 is equal.
The water retaining ribs 9 are formed by bending the left side and the right side of the isolation plate 2 downwards.
Preferably, one side of the water blocking rib 9 close to the movable contact piece 4 is an inclined plane formed by gradually closing the lower end of the water blocking rib 9 to the isolation plate 2.
The inclined plane of the above arrangement improves the drainage effect of the water retaining rib 9.
More preferably, one side of the two water retaining ribs 9 close to the movable contact piece connecting part 3 and the isolation plate 2 form an arch structure.
Preferably, the lower end of the water blocking rib 9 gradually shrinks downwards towards one position to form an inverted cone shape.
The arrangement enables the water drops to drop from one position, and the flow guide device is arranged below the dropping position so as to guide the dropped water drops to the outside and avoid causing corrosion to the electric appliance.
Example two
As shown in fig. 2-5, the present embodiment is different from the first embodiment in that the micro-switch further includes a static contact 7 and a movable contact 4 disposed below the static contact 7, front ends of the static contact 7 and the movable contact 4 are fixedly connected to the other side of the base 8, rear ends of the static contact 7 and the movable contact 4 are respectively provided with a static contact 6 and a movable contact 5, the static contact 7 and the movable contact 4 are disposed inside a closed housing 13 fixedly connected to the base 8, a guide post 12 is disposed below the movable contact 5, an upper end of the guide post 12 is disposed inside the housing 13 and is connected to the housing 13 in a clamping manner, and a lower end of the guide post 12 penetrates through the housing 13 and is disposed outside the housing 13 for pushing the guide post 12, so that the guide post 12 pushes the movable contact 5 to achieve the contact connection between the movable contact 5 and the static contact 6.
The static contact piece 7 and the movable contact piece 4 of the existing microswitch are generally exposed in the air, or the outside of the static contact piece and the movable contact piece is sleeved with a non-closed insulating sleeve, but the mode is not beneficial to the dispersion of water vapor, and water drops and rust are easy to condense. The invention avoids the water vapor entering and the condensation of water drops through the closed shell 13, thereby avoiding the reduction of the insulation distance and the corrosion of electric appliances, and avoiding the accidents of electric leakage, ignition, electric arc, even ignition and the like caused by the reduction of the insulation distance. When the guide post 12 is not stressed, it will fall down under the action of its own gravity to separate the movable contact 5 from the stationary contact 6.
In conclusion, the microswitch provided by the invention has the advantages that the metal contact at the front section is completely positioned in a closed space, the contact is closed and opened by moving the plastic guide post 12 up and down, and the plastic part is made of flame-retardant materials and is not easy to ignite, so that a fire accident is avoided. The microswitch also comprises a water retaining rib 9 with the width of 0.5mm and the height of 1mm arranged on a plastic piece of the micro-motion plug-in terminal, and the water retaining rib 9 well prevents water drops formed by condensation from dropping on the metal terminal to cause the insulation distance of the terminal to be reduced, and the insulation distance is reduced to cause short circuit and form large current, thereby causing fire. The invention has low manufacturing cost and good fireproof effect, avoids major fire accidents caused by ignition of the electric device, is beneficial to preventing the oxidation of the electric device and has good anticorrosion effect. Is beneficial to batch production, and has simple structure and convenient operation.
The static contact 7 is connected with the static contact connecting part 1, and the movable contact 4 is connected with the movable contact connecting part 3, or integrally arranged.
An isolation plate 2 is also arranged between the static contact piece 7 and the movable contact piece 4, and the front end of the isolation plate 2 is fixedly connected with a base 8.
The shell 13 and the guide post 12 are made of flame-retardant plastic materials so as to avoid fire accidents.
EXAMPLE III
As shown in fig. 2 to 5, the present embodiment is different from the first and second embodiments in that the housing 13 includes a first housing 10 and a second housing 14, the first housing 10 is fixedly connected to the base 8, and the second housing 14 is detachably connected to the first housing 10 to open and close the housing 13.
The housing 13 is arranged to be openable for later maintenance.
Preferably, at least one pair of protrusions or grooves are oppositely arranged on the first housing 10, and corresponding grooves or protrusions are arranged on the second housing 14, and the protrusions and the grooves are buckled and connected to realize the fixed connection of the first housing 10 and the second housing 14.
The above arrangement makes the assembly and disassembly of the first and second housings 10 and 14 easier and faster.
Specifically, the housing 13 is divided longitudinally to form a first housing 10 and a second housing 14, such that the first housing 10 is provided on the left or right side of the fixed contact piece 7 and the movable contact piece 4, and the second housing 14 is provided on the right or left side of the fixed contact piece 7 and the movable contact piece 4, for easy assembly.
The above arrangement facilitates assembly of the guide post 12 and later maintenance.
Wherein, the upper end of the guide post 12 is provided with a radially protruding clamping projection 11, the lower end of the first housing 10 is provided with an extending portion 15 extending towards the moving contact 5, and at least part of the clamping projection 11 is clamped above the extending portion 15 to realize the fixed connection of the guide post 12 and the first housing 10;
preferably, the end of the extension 15 is provided with a notch, a portion of the guide post 12 located below the locking protrusion 11 is embedded into the notch, and the second housing 14 is fixedly connected to the first housing 10 and is matched with the notch to fixedly connect the guide post 12 to the housing 13.
The above-mentioned corresponding assembly of the guide post 12 mounted on the first housing 10 and the movable contact 5 is relatively simple to realize that the stressed guide post 12 pushes the movable contact 5.
The second housing 14 may further be provided with an extending portion 15, and the guide post 12 is fixed on the second housing 14 by the above-mentioned method, and then the second housing 14 is fixedly connected with the first housing 10, so as to fixedly connect the guide post 12 and the housing 13.
Furthermore, a through hole for the guide post 12 to pass through is provided on the extension portion 15 of the first housing 10 or the second housing 14, so as to realize the fixed connection between the guide post 12 and the first housing 10 or the second housing 14.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. A microswitch comprises a partition plate (2), a movable contact spring connecting part (3) and a base (8) which are arranged below the partition plate (2), wherein the rear ends of the partition plate (2) and the movable contact spring connecting part (3) are respectively and fixedly connected with one side of the base (8), and is characterized in that the left side and the right side of the partition plate (2) are respectively provided with a water retaining rib (9) which extends downwards, and the water retaining ribs (9) are correspondingly arranged on the outer side of the movable contact spring connecting part (3) so as to prevent condensed water drops from dropping on the movable contact spring connecting part (3);
the water retaining rib (9) extends forwards from the rear end of the isolation plate (2), and the extending length of the water retaining rib is greater than or equal to the length corresponding to the movable contact piece connecting part (3); one side of the water blocking rib (9) close to the movable contact piece connecting part (3) is an inclined plane formed by gradually closing the lower end of the water blocking rib (9) to the isolation plate (2).
2. A microswitch according to claim 1, wherein the water blocking rib (9) extends for a length greater than the corresponding length of the movable contact connecting part (3).
3. A microswitch according to claim 1, wherein the distance of the two water blocking ribs (9) in the horizontal direction is greater than the corresponding width of the movable contact piece connecting part (3).
4. A microswitch according to any one of claims 1 to 3, wherein the moving contact piece connecting part (3) is arranged in the middle of the two water blocking ribs (9) so that the distance between the moving contact piece connecting part (3) and the two water blocking ribs (9) is equal.
5. A microswitch according to any one of claims 1 to 3, wherein the side of the two water retaining ribs (9) adjacent to the moving contact connecting part (3) forms an arch with the isolating plate (2).
6. A microswitch according to any one of claims 1 to 3, further comprising a static contact piece (7) and a movable contact piece (4) arranged below the static contact piece (7), wherein the front ends of the static contact piece (7) and the movable contact piece (4) are fixedly connected with the other side of the base (8), the rear ends of the static contact piece (7) and the movable contact piece (4) are respectively provided with a static contact (6) and a movable contact (5), the static contact piece (7) and the movable contact piece (4) are arranged inside a closed shell (13) fixedly connected with the base (8), a guide post (12) is arranged below the movable contact (5), the upper end of the guide post (12) is arranged inside the shell (13) and is connected with the shell (13) in a clamping manner, the lower end of the guide post (12) penetrates through the shell (13) and is arranged outside the shell (13) for pushing the guide post (12), so that the guide post (12) pushes the movable contact (5), the contact connection between the movable contact (5) and the fixed contact (6) is realized.
7. A microswitch according to claim 6, wherein the housing (13) comprises a first housing (10) and a second housing (14), the first housing (10) being fixedly connected to the base (8), the second housing (14) being detachably connected to the first housing (10) for opening and closing the housing (13).
8. A microswitch according to claim 7, wherein the first housing (10) is provided with at least one pair of oppositely arranged protrusions or grooves, and the second housing (14) is provided with corresponding grooves or protrusions, the protrusions and the grooves are in snap-fit connection to realize the fixed connection of the first housing (10) and the second housing (14).
9. A microswitch according to claim 7 or 8, wherein the housing (13) is divided longitudinally to form a first housing (10) and a second housing (14), the first housing (10) being provided on the left or right side of the fixed contact piece (7) and the movable contact piece (4), the second housing (14) being provided on the right or left side of the fixed contact piece (7) and the movable contact piece (4) for ease of assembly.
10. A microswitch according to claim 9, wherein the upper end of the guide post (12) is provided with a radially protruding catch (11), the lower end of the first housing (10) is provided with an extension (15) extending in the direction of the movable contact (5), and the catch (11) is at least partially caught above the extension (15) to achieve a fixed connection of the guide post (12) to the first housing (10).
11. A microswitch according to claim 10, wherein the end of the extension (15) is provided with a notch, the part of the guide post (12) located below the snap-in projection (11) is inserted into the notch, and the second housing (14) is fixedly connected to the first housing (10) and cooperates with the notch to fixedly connect the guide post (12) to the housing (13).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384613.3A CN107068446B (en) | 2017-05-26 | 2017-05-26 | Micro switch |
| PCT/CN2018/088007 WO2018214908A1 (en) | 2017-05-26 | 2018-05-23 | Novel microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384613.3A CN107068446B (en) | 2017-05-26 | 2017-05-26 | Micro switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107068446A CN107068446A (en) | 2017-08-18 |
| CN107068446B true CN107068446B (en) | 2021-01-22 |
Family
ID=59610539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710384613.3A Active CN107068446B (en) | 2017-05-26 | 2017-05-26 | Micro switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107068446B (en) |
| WO (1) | WO2018214908A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068446B (en) * | 2017-05-26 | 2021-01-22 | 佛山市顺德海尔电器有限公司 | Micro switch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011231550A (en) * | 2010-04-28 | 2011-11-17 | Takigen Mfg Co Ltd | Magnet catch with switch |
| CN104347281A (en) * | 2013-07-26 | 2015-02-11 | 海尔集团公司 | Washing machine micro switch, manufacturing method of micro switch and washing machine |
| CN105266741A (en) * | 2014-07-25 | 2016-01-27 | 青岛海尔洗碗机有限公司 | Overflow floater box and dish washer having same |
| CN205159136U (en) * | 2015-10-30 | 2016-04-13 | 中山市力科电器有限公司 | Micro -gap switch support |
| CN205828180U (en) * | 2016-06-27 | 2016-12-21 | 上海侨亨实业有限公司 | A kind of washing machine microswitch |
| CN106319866A (en) * | 2016-10-24 | 2017-01-11 | 珠海格力电器股份有限公司 | Washing machine and electric box structure thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104366A (en) * | 1993-09-16 | 1995-06-28 | 金星阿尔卑斯电子株式会社 | Micro switch |
| CN101944458A (en) * | 2010-08-20 | 2011-01-12 | 江苏西门控电器有限公司 | Alarming contact device of moulded case circuit breaker |
| CN107068446B (en) * | 2017-05-26 | 2021-01-22 | 佛山市顺德海尔电器有限公司 | Micro switch |
-
2017
- 2017-05-26 CN CN201710384613.3A patent/CN107068446B/en active Active
-
2018
- 2018-05-23 WO PCT/CN2018/088007 patent/WO2018214908A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011231550A (en) * | 2010-04-28 | 2011-11-17 | Takigen Mfg Co Ltd | Magnet catch with switch |
| CN104347281A (en) * | 2013-07-26 | 2015-02-11 | 海尔集团公司 | Washing machine micro switch, manufacturing method of micro switch and washing machine |
| CN105266741A (en) * | 2014-07-25 | 2016-01-27 | 青岛海尔洗碗机有限公司 | Overflow floater box and dish washer having same |
| CN205159136U (en) * | 2015-10-30 | 2016-04-13 | 中山市力科电器有限公司 | Micro -gap switch support |
| CN205828180U (en) * | 2016-06-27 | 2016-12-21 | 上海侨亨实业有限公司 | A kind of washing machine microswitch |
| CN106319866A (en) * | 2016-10-24 | 2017-01-11 | 珠海格力电器股份有限公司 | Washing machine and electric box structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018214908A1 (en) | 2018-11-29 |
| CN107068446A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6235033B2 (en) | Spring force terminal connecting portion and electric device having the same | |
| CN107068446B (en) | Micro switch | |
| US20200373111A1 (en) | High-voltage dc relay | |
| CN205303389U (en) | Arc extinction mechanism's circuit breaker with possess magnetic blow -out and air -blowing function | |
| CN108878209B (en) | Miniature circuit breaker with built-in vacuum contact mechanism | |
| EP2335260B1 (en) | Low voltage circuit breaker | |
| CN107359089B (en) | Wall switch with overcurrent protection function | |
| US9953777B2 (en) | Switching device | |
| CN103021754A (en) | Arc extinguishing system of molded case circuit breaker | |
| CN205881749U (en) | Micro -gap switch's waterproof construction and cooking device | |
| CN105826143B (en) | A kind of miniaturization breaker | |
| KR20050024530A (en) | Plug socket for eataching plug | |
| CN112820592A (en) | Wiring terminal and plug-in circuit breaker | |
| US9362076B2 (en) | Trip device of molded case circuit breaker using a stair type hanger | |
| CN110176372B (en) | Sealed DC microswitch | |
| CN210607155U (en) | Plastic case circuit breaker | |
| CN110853995A (en) | Oil damping type miniature circuit breaker | |
| CN213877972U (en) | Interlocking mechanism of permanent magnet circuit breaker | |
| CN211719527U (en) | Moving contact mounting structure of electrical switch | |
| CN215220638U (en) | Heavy current circuit breaker | |
| CN102623260A (en) | Rapid wiring type breaker | |
| CN217691942U (en) | Mylar protection socket | |
| CN203746769U (en) | Miniature breaker | |
| US2060603A (en) | Protective cover for electric switches | |
| CN215183691U (en) | Isolating switch with equipotential structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201231 Address after: No.16 Huatian north, Ronggui high tech Zone, Shunde District, Foshan City, Guangdong Province, 528306 Applicant after: FOSHAN SHUNDE HAIER ELECTRIC Co.,Ltd. Address before: 266101 Haier Industrial Park, No.1 Haier Road, Laoshan District, Qingdao City, Shandong Province Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |