CN207251953U - Interlocking switch - Google Patents
Interlocking switch Download PDFInfo
- Publication number
- CN207251953U CN207251953U CN201721173549.6U CN201721173549U CN207251953U CN 207251953 U CN207251953 U CN 207251953U CN 201721173549 U CN201721173549 U CN 201721173549U CN 207251953 U CN207251953 U CN 207251953U
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- shrapnel
- switch base
- straight panel
- switch
- microswitch
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Abstract
The utility model discloses a kind of interlocking switch, including switch base, switch base is equipped with primary microswitch, monitoring microswitch and secondary microswitch, primary microswitch, monitoring microswitch and secondary microswitch include switch base, COM terminals, connection sheet and shrapnel are equipped with each switch base, one end of COM terminals is arranged in switch base, and the other end is pierced by switch base setting；One end of connection sheet is set with button connects, and the other end is connected setting with COM terminals；One end of shrapnel is set with the clamping of COM terminals, and static contact is equipped with above and below shrapnel, and the middle part of shrapnel is equipped with tension spring, and one end and the connection sheet of tension spring are fixedly installed.The utility model, connection sheet and shrapnel are fixed on COM terminals by tension spring, in use, door of microwave oven can ensure that shrapnel is constantly in compaction with COM terminals during open and close, electric conductivity is stablized, and prevents the circuit brought by vibrations and connects unstable phenomenon generation.
Description
Technical field
It the utility model is related to the stove door switch of micro-wave oven, and in particular to interlocking switch.
Background technology
Micro-wave oven is that kitchen range are cooked in a kind of modernization with microwave heating of food, since its heating is fast, easy to use, operation
Simply it is widely applied by people.
Door of microwave oven is a main building block of micro-wave oven, in order to ensure fire door normal switching-off, prevent microwave from leaking
The phenomenon of magnetic occurs, and three stove door switch are typically provided with door of microwave oven, and two of which is closed at when fire door is closed,
Be not closed completely above the fire door or below it is not tight when, just have a stove door switch and disconnect, the power supply of whole micro-wave oven
Disconnect, i.e., can not start to work, it is therefore prevented that the phenomenon of microwave from leakage occurs.In the stove door switch of this couplet on the door, there is one
The switch to shield, refers to close when blow-on door and connects, prevent upper and lower two stove door switch from damaging, such as when upper and lower
In the case of normality short circuit, when enabling, can also power on stove door switch, cause the leakage of microwave.
Circuit connection in stove door switch is mainly to be realized by the clamping of connection sheet and shrapnel, by shrapnel and often
Open haptic element and the break-make for carrying out control circuit is connected with normally closed haptic element, but this device is led in the switching process of fire door due to shaking
Cause contact of the connection sheet with shrapnel unstable, easily shake and cause the unstable of circuit connection, cause three fire doors to open
Close action sequence to change, and cause electrically bad.
It can be seen from the above that stove door switch of the prior art deposits the problem of internal circuit connection is unstable in use.
Utility model content
Technical problem to be solved in the utility model is that current stove door switch deposits internal circuit company in use
Connect the problem of unstable.
In order to solve the above-mentioned technical problem, technical solution there is provided a kind of interlocking switch used by the utility model,
Including switch base, lower part, middle part and the top of the switch base are respectively equipped with primary microswitch, monitoring microswitch and secondary
Microswitch, the primary microswitch, monitoring microswitch and secondary microswitch include switch base, each switch
It is equipped with pedestal：
COM terminals, one end are arranged in the switch base, and the other end is pierced by the switch base and sets, for electricity
Road connects；
Connection sheet, one end and button connects are set, and the other end is connected setting with the COM terminals, the button it is another
End is pierced by the switch base；
Shrapnel, one end are set with COM terminals clamping, and the both sides up and down of the other end are equipped with movable contact, the shrapnel
Above and below be equipped with static contact, two static contacts are equipped with stationary contact, the bullet close to the side of the shrapnel
The middle part of piece is equipped with tension spring, and one end of the tension spring is fixedly installed through the COM terminals and with the connection sheet, and configures
For：
Button press, presses the connection sheet, and the connection sheet drives the bullet by the COM terminals and the tension spring
The direction of action of piece towards the button is moved.
The COM terminals include being used for the first straight panel of the clip clamping and for being clamped with the connection sheet
Two straight panels, first straight panel, the second straight panel are connected by the 3rd straight panel, the 3rd straight panel and first straight panel, second
Straight panel is vertically arranged, and the other end of first straight panel, which stretches out the switch base and vertically extended to side, to be used for and electricity
4th straight panel of road connection.
First straight panel, the second straight panel, be respectively equipped with the first opening, the second opening in the middle part of the 3rd straight panel, the 3rd open
Mouthful, first opening, the second opening, the 3rd opening communicate, and one end of the connection sheet extends outward into the first lug boss, institute
The first lug boss is stated by being arranged on the long struts at the middle part on the top of the connection sheet and being symmetricly set on the long struts both sides
Sprag composition, the tops of two sprags is in the trapezoidal shape drawn close towards side, and first straight panel is close to the company
The side of contact pin is equipped with the first card slot being adapted with two sprags, and the long struts are set through the described first opening
Put.
The connection sheet is equipped with two the first dog holes, and the shrapnel is equipped with the second dog hole, and one end of the tension spring is set
Put on second dog hole, the other end of the tension spring through the described second opening and is arranged on two first dog holes
On, the shrapnel is equipped with the mounting groove put for the tension spring.
The shrapnel is by a connecting plate and be symmetrically extended by the connecting plate towards the second straight panel direction two
First pillar forms, and second dog hole is arranged on the connecting plate, and the installation is formed between two first pillars
Groove, the both sides of two first pillars extend outward into the second pillar, and the top of two second pillars is in be leaned on towards side
The trapezoidal shape held together, the both sides of two second straight panels are equipped with the second card slot being adapted with second pillar.
The center of first opening is equipped with fore-set, and the long struts are arranged on the top of the fore-set.
The inner wall of the switch base is equipped with the guide groove moved in vertical direction for second straight panel.
Each switch base is equipped with the switch cover being adapted to it, and each switch base and the switch cover engage
Set.
The static contact is normally opened by be arranged in the switch base of the primary microswitch, secondary microswitch first
Static contact and the normally closed static contact being arranged in the switch base of the monitoring microswitch, the second normally opened static contact composition, institute
The one end for stating the first normally opened static contact is arranged on the side of the shrapnel, and the other end stretches out the switch base and is used for and circuit
Connection, the inner wall of the switch base are equipped with contact plate along the extension of its horizontal direction, the contact plate towards the shrapnel one
Side is equipped with normally-closed contact, and the normally closed static contact, one end of the second normally opened static contact are separately positioned on the both sides of the shrapnel, institute
State normally closed static contact, the other end of the second normally opened static contact is pierced by the switch base and sets.
Connection sheet and shrapnel, are fixed on COM terminals, in use, door of microwave oven exists by the utility model by tension spring
It can ensure that shrapnel is constantly in compaction with COM terminals during open and close, electric conductivity is stablized, and prevents because of vibrations
The circuit brought connects unstable phenomenon and occurs.
Brief description of the drawings
Fig. 1 is the exploded view of the utility model；
Fig. 2 is the assembling figure of the utility model；
Fig. 3 is the structure diagram of the inside of the switch base of the utility model；
Fig. 4 is the front view of the utility model；
Fig. 5 is the right view of the utility model；
Fig. 6 is the structure diagram of the COM terminals of the utility model；
Fig. 7 is the structure diagram of the connection sheet of the utility model；
Fig. 8 is the structure diagram of the shrapnel of the utility model；
Fig. 9 is the structure diagram at A in Fig. 4 of the utility model；
Figure 10 is the structure diagram at B in Fig. 5 of the utility model.
Embodiment
The utility model is described in detail with reference to specific embodiment and Figure of description.
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of interlocking switch, including switch base, under switch base
Portion, middle part and top are respectively equipped with primary microswitch, monitoring microswitch and secondary microswitch, primary microswitch, prison
Control microswitch and secondary microswitch include switch base 100, and COM terminals 200 i.e. band is equipped with each switch base 100
There are contact chip, connection sheet 300 and the shrapnel 400 of common junction.
200 one end of COM terminals is arranged in switch base 100, and the other end is pierced by switch base 100 and sets, for electricity
Road connects.
300 one end of connection sheet is connected setting with button 600, and the other end is connected setting with COM terminals 200, button 600 it is another
One end is pierced by switch base 100.
400 one end of shrapnel is set with the clamping of COM terminals 200, and the both sides up and down of the other end are equipped with movable contact, shrapnel 400
Above and below be equipped with static contact, two static contacts are equipped with stationary contact close to the side of shrapnel 400, in shrapnel 400
Portion is equipped with tension spring 500, and one end of tension spring 500 is fixedly installed through COM terminals 200 and with connection sheet 300.
The operation principle of the utility model is：
When door opened, in switch base under the action of resetting spring, primary microswitch and secondary microswitch stop
Only work, prevent in the case of oven door opening, continue energization work in micro-wave oven, cause the phenomenon that magnetic is revealed to occur, at this time
Monitoring microswitch disconnects circuit, prevent because the circuit connection failure of primary microswitch and secondary microswitch from without
The phenomenon for playing disconnecting circuit occurs, and plays secondary protective effect；
When the fire door of micro-wave oven is closed, the inner wall of micro-wave oven presses button 600, presses connection sheet 300, connection sheet 300
Moved by direction of action of the COM terminals 200 with spring plate 400 towards button 600, drive primary microswitch, monitoring fine motion
Close and secondary microswitch in circuit connect, make whole power on circuitry, micro-wave oven normal use, when fire door visit or Xiamen
There is one when being not completely turned off, primary microswitch or secondary microswitch will not work, and micro-wave oven will be unable to be heated,
In whole process, tension spring 500 can ensure that shrapnel 400 is constantly in compaction with COM terminals 200, and electric conductivity is stablized, and prevents
Only occur because the circuit that vibrations caused by switch gate are brought connects unstable phenomenon.
As shown in fig. 6, COM terminals 200 include being used for the first straight panel 210 being clamped with shrapnel 400 and are used for and connection sheet
Second straight panels 220 of 300 clampings, the first straight panel 210, the second straight panel 220 connected by the 3rd straight panel 230, the 3rd straight panel 230 with
First straight panel 210, the second straight panel 220 are vertically arranged, and the other end of the first straight panel 210 stretches out switch base 100 and to side
Vertically extend the 4th straight panel 240 for being connected with circuit.
First straight panel 210, the second straight panel 220, the middle part of the 3rd straight panel 230 are respectively equipped with the first opening 211, second opening
221st, the 3rd opening 231, the 221, the 3rd opening of first the 211, second opening of opening 231 communicate, and one end of connection sheet 300 is to extension
The first lug boss is stretched into, the first lug boss is by being arranged on the long struts 310 at the middle part on the top of connection sheet 300 and being symmetricly set on
The sprag 320 of 310 both sides of long struts forms, and the top of two sprags 320 is in the trapezoidal shape drawn close towards side, the first straight panel
210 are equipped with the first card slot 212 for being adapted with two sprags 320 close to the side of connection sheet 300, and long struts 310 are through the
One opening 211 is set, and connection mode is simple, occupies little space, and saves manufacture cost.
As shown in fig. 7, connection sheet 300 is equipped with two the first dog holes 301, shrapnel 400 is equipped with the second dog hole 411, draws
One end of spring 500 is arranged on the second dog hole 411, and the other end of tension spring 500 is through the second opening 221 and is arranged on two first
On dog hole 301, shrapnel 400 is equipped with the mounting groove 430 put for tension spring 500, easy to the installation of tension spring 500.
As shown in figure 8, shrapnel 400 is symmetrical towards 220 direction of the second straight panel by a connecting plate 410 and by connecting plate 410
Two the first pillars 420 of extension form, and the second dog hole 411 is arranged on connecting plate 410, group between two the first pillars 420
Into mounting groove 430, the both sides of two the first pillars 420 extend outward into the second pillar 421, the top of two the second pillars 421
In the trapezoidal shape drawn close towards side, the both sides of two the second straight panels 220 are equipped with the second card slot being adapted with the second pillar 421
222。
As shown in fig. 6, the center of the first opening 211 is equipped with fore-set 213, long struts 310 are arranged on the upper of fore-set 213
Side, it is simple in structure, realize the movement of COM terminals 200 in vertical direction.
The inner wall of switch base 100 is equipped with the guide groove moved in vertical direction for the second straight panel 220, prevents it
The square movement of occurred level, makes whole device more stablize.
As shown in Fig. 2, each switch base 100 is equipped with the switch cover 700 being adapted to it, each switch base 100 and switch
Lid 700 engages setting, prevents the impurity such as dust from entering the inside of switch base 100, ensures the safety of circuit, and increase uses
Service life.
As shown in Fig. 4, Fig. 5, Fig. 9 and Figure 10, static contact is by being arranged on the switch of primary microswitch, secondary microswitch
The first normally opened static contact 810 in pedestal 100 and the normally closed static contact being arranged in the switch base 100 of monitoring microswitch
900th, the second normally opened static contact 910 forms, and one end of the first normally opened static contact 810 is arranged on the side of shrapnel 400, and the other end is stretched
Go out switch base 100 and be equipped with contact plate 800 along the extension of its horizontal direction for the connection with circuit, the inner wall of switch base 100,
Contact plate 800 is equipped with normally-closed contact, normally closed static contact 900, one end difference of the second normally opened static contact 910 towards the side of shrapnel
The both sides of shrapnel 400 are arranged on, normally closed static contact 900, the other end of the second normally opened static contact 910 are pierced by switch base 100
Set, for the connection with circuit, by normally opened, normally-closed contact conversion come the connection of control circuit.
Connection sheet and shrapnel, are fixed on COM terminals, in use, door of microwave oven exists by the utility model by tension spring
It can ensure that shrapnel is constantly in compaction with COM terminals during open and close, electric conductivity is stablized, and prevents because of vibrations
The circuit brought connects unstable phenomenon and occurs.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn that under the enlightenment of the utility model
The structure change made, it is every that there is same or like technical solution with the utility model, each fall within the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. interlocking switch, including switch base, lower part, middle part and the top of the switch base are respectively equipped with primary microswitch, prison
Microswitch and secondary microswitch are controlled, the primary microswitch, monitoring microswitch and secondary microswitch include opening
Close pedestal, it is characterised in that be equipped with each switch base：
COM terminals, one end are arranged in the switch base, and the other end is pierced by the switch base and sets, for connecting with circuit
Connect；
Connection sheet, one end are set with button connects, and the other end is connected setting with the COM terminals, and the other end of the button is worn
Go out the switch base；
Shrapnel, the clamping of one end and the COM terminals are set, and the both sides up and down of the other end are equipped with movable contact, the shrapnel it is upper
Side and lower section are equipped with static contact, and two static contacts are equipped with stationary contact close to the side of the shrapnel, the shrapnel
Middle part is equipped with tension spring, and one end of the tension spring is fixedly installed through the COM terminals and with the connection sheet, and is configured to：
Button press, presses the connection sheet, and the connection sheet drives the shrapnel court by the COM terminals and the tension spring
Moved to the direction of action of the button.
2. interlocking switch as claimed in claim 1, it is characterised in that the COM terminals include being used for and the clip clamping
The first straight panel and the second straight panel for being clamped with the connection sheet, first straight panel, the second straight panel pass through the 3rd straight panel
Connection, the 3rd straight panel are vertically arranged with first straight panel, the second straight panel, and the other end of first straight panel stretches out institute
State switch base and vertically extend the 4th straight panel for being connected with circuit to side.
3. interlocking switch as claimed in claim 2, it is characterised in that in first straight panel, the second straight panel, the 3rd straight panel
Portion is respectively equipped with the first opening, the second opening, the 3rd opening, and first opening, the second opening, the 3rd opening communicate, described
One end of connection sheet extends outward into the first lug boss, and first lug boss is by being arranged on the middle part on the top of the connection sheet
Long struts and be symmetricly set on the sprag compositions of the long struts both sides, the tops of two sprags towards side in leaning on
The trapezoidal shape held together, first straight panel are equipped with the first card being adapted with two sprags close to the side of the connection sheet
Groove, the long struts are set through the described first opening.
4. interlocking switch as claimed in claim 3, it is characterised in that the connection sheet is equipped with two the first dog holes, described
Shrapnel is equipped with the second dog hole, and one end of the tension spring is arranged on second dog hole, and the other end of the tension spring passes through institute
State the second opening and be arranged on two first dog holes, the shrapnel is equipped with the mounting groove put for the tension spring.
5. interlocking switch as claimed in claim 4, it is characterised in that the shrapnel is by a connecting plate and by the connecting plate
Two the first pillars composition being symmetrically extended towards the second straight panel direction, second dog hole are arranged on the connecting plate
On, the mounting groove is formed between two first pillars, the both sides of two first pillars extend outward into second
Column, the top of two second pillars are in the trapezoidal shape drawn close towards side, and the both sides of second straight panel are equipped with and two institutes
State the second card slot that the second pillar is adapted.
6. interlocking switch as claimed in claim 3, it is characterised in that the center of first opening is equipped with fore-set, institute
State the top that long struts are arranged on the fore-set.
7. interlocking switch as claimed in claim 2, it is characterised in that the inner wall of the switch base is equipped with for described the
The guide groove that two straight panels are moved in vertical direction.
8. interlocking switch as claimed in claim 1, it is characterised in that each switch base is equipped with the switch being adapted to it
Lid, each switch base and the switch cover engage setting.
9. interlocking switch as claimed in claim 1, it is characterised in that the static contact is opened by being arranged on the primary fine motion
Close, the first normally opened static contact in the switch base of secondary microswitch and the switch base for being arranged on the monitoring microswitch
Interior normally closed static contact, the second normally opened static contact composition, one end of the first normally opened static contact is arranged on the one of the shrapnel
Side, the other end stretch out the switch base and extend for the connection with circuit, the inner wall of the switch base along its horizontal direction
Equipped with contact plate, the contact plate is equipped with normally-closed contact towards the side of the shrapnel, the normally closed static contact, second normally opened quiet
One end of contact is separately positioned on the both sides of the shrapnel, and the other end is pierced by the switch base and sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721173549.6U CN207251953U (en) | 2017-09-13 | 2017-09-13 | Interlocking switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721173549.6U CN207251953U (en) | 2017-09-13 | 2017-09-13 | Interlocking switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251953U true CN207251953U (en) | 2018-04-17 |
Family
ID=61888595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721173549.6U Active CN207251953U (en) | 2017-09-13 | 2017-09-13 | Interlocking switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207251953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484288A (en) * | 2017-09-13 | 2017-12-15 | 浙江宇洋科技有限公司 | Interlocking switch |
-
2017
- 2017-09-13 CN CN201721173549.6U patent/CN207251953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484288A (en) * | 2017-09-13 | 2017-12-15 | 浙江宇洋科技有限公司 | Interlocking switch |
| CN107484288B (en) * | 2017-09-13 | 2024-03-26 | 浙江宇洋科技有限公司 | Interlocking switch |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |