CN209199814U - A kind of high temperature resistant change type microswitch - Google Patents
A kind of high temperature resistant change type microswitch Download PDFInfo
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- CN209199814U CN209199814U CN201821882213.1U CN201821882213U CN209199814U CN 209199814 U CN209199814 U CN 209199814U CN 201821882213 U CN201821882213 U CN 201821882213U CN 209199814 U CN209199814 U CN 209199814U
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- movable contact
- contact spring
- high temperature
- temperature resistant
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Abstract
The utility model discloses a kind of high temperature resistant change type microswitches, belong to microswitch technical field.The high temperature resistant change type microswitch, including pressing movable plate, movable contact spring A, movable contact spring B and conductive component, the movable contact spring A is connect by high temperature resistant tension spring with movable contact spring B, the movable contact spring A, movable contact spring B one end be installed in can move up and down by the middle part of movable plate, the other end is electrically connected with conductive component.The base of ceramic of the utility model, ceramic key and ceramic cap have good high temperature resistance, it avoids being crumpled in use process or scorification, high temperature resistant tension spring and high temperature resistant pressure spring are effectively ensured microswitch and remain to steadily commutate under the high temperature conditions, enable microswitch normal use in the high temperature environment；Movable contact spring A and movable contact spring B is installed using V-shaped groove, movable contact spring A or movable contact spring B is avoided to slide in use；Sensitive, small in size, easy to operate, high reliablity.
Description
Technical field
The utility model relates to a kind of high temperature resistant change type microswitches, belong to microswitch technical field.
Background technique
Microswitch is also known as sensitive switch, has the characteristics that sensitive, parameters precision is high, small in size, is widely used
In electronic instrument and meter and electrical equipment.For example, the Chinese patent literature of Publication No. CN207183136U discloses one
Kind shock resistance microswitch, including movable contact spring, positioning card, conduct piece；Movable contact spring interrupted midway position is stuck in positioning card
Portion, movable contact spring both ends stress are crimped on conduct piece, and movable contact spring center raises upward, the position that corresponding movable contact spring raises upward
It sets and is provided with positioning card moving up and down；The conduct piece is two both ends installation fixations for respectively corresponding movable contact spring, and
Conduct piece is electrically connected with movable contact spring；Movable contact spring center interposition is equipped with interruption；The microswitch high reliablity, is resistant to powerful
Impact.But high temperature resistance and operating sensitivity are still to be improved.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of high temperature resistant change type microswitch.
The utility model is achieved by the following technical programs:
A kind of high temperature resistant change type microswitch, including movable plate, movable contact spring A, movable contact spring B and conductive component are pressed, it is described dynamic
Contact A is connect by high temperature resistant tension spring with movable contact spring B, the movable contact spring A, movable contact spring B one end be installed in can on move down
Dynamic presses in the middle part of movable plate, and the other end is electrically connected with conductive component.
It is described to be installed in base of ceramic by movable plate, movable contact spring A, movable contact spring B and conductive component, the top of base of ceramic
It is slidably fitted with ceramic key.
High temperature resistant pressure spring is equipped between the lower part and base of ceramic by movable plate.
The middle part by movable plate be equipped with V-shaped groove, movable contact spring A, movable contact spring B one end be mounted on the V-shaped groove.
The bottom that ceramic key is mounted on by the top of movable plate, the ceramics key be mounted at the top of base of ceramic by
In keyhole, and it can be slided up and down with respect to base of ceramic.
Ceramic cap is bonded with by high-temperature plastic on the base of ceramic.
The conductive component includes L-shaped conductive sheet A and conductive sheet B, conductive sheet A, conductive sheet B one end be installed in
In base of ceramic, the other end is each extended to below base of ceramic, and the electrical connections of conductive sheet A are located at conductive sheet in base of ceramic
The top of B.
It is separate on the movable contact spring A, movable contact spring B to be respectively positioned between conductive sheet A and conductive sheet B by one end of movable plate.
The utility model has the beneficial effects that: base of ceramic, ceramic key and ceramic cap have good heat-resisting quantity
Can, it avoids being crumpled in use process or microswitch is effectively ensured in high temperature in scorification, high temperature resistant tension spring and high temperature resistant pressure spring
Under the conditions of remain to steadily commutate, enable microswitch normal use in the high temperature environment；Movable contact spring A is installed using V-shaped groove
With movable contact spring B, movable contact spring A or movable contact spring B is avoided to slide in use；Sensitive, easy to operate, high reliablity.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the left view structural representation of the utility model.
In figure: 1- conductive sheet A, 2- base of ceramic, 3- ceramics key, 4- press movable plate, 5- high temperature resistant tension spring, 6- movable contact spring A,
7- movable contact spring B, 8- conductive sheet B, 9- high temperature resistant pressure spring, 10- ceramic cap.
Specific embodiment
Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.
As depicted in figs. 1 and 2, a kind of high temperature resistant change type microswitch described in the utility model, including by movable plate 4,
Movable contact spring A6, movable contact spring B7 and conductive component, the movable contact spring A6 are connect by high temperature resistant tension spring 5 with movable contact spring B7, described dynamic
Contact A6, movable contact spring B7 one end be installed in can move up and down by the middle part of movable plate 4, the other end is electrically connected with conductive component
It connects.When high temperature resistant change type microswitch is in original state, exist on movable contact spring A6, movable contact spring B7 far from the one end for pressing movable plate 4
It under the spring-force driven dual of high temperature resistant tension spring 5, presses down on conductive sheet B8, conductive sheet B8 is made to be powered；Press ceramic key 3
Afterwards, separate on movable contact spring A6, movable contact spring B7 to be rotated up by one end of movable plate 4, and in the spring-force driven dual of high temperature resistant tension spring 5
Under, it presses up on conductive sheet A1, so that conductive sheet A1 is powered, to realize that circuit is switched fast.
It is described to be installed in base of ceramic 2 by movable plate 4, movable contact spring A6, movable contact spring B7 and conductive component, base of ceramic 2
Top be slidably fitted with ceramic key 3.Each component is mounted in base of ceramic 2, the whole high temperature resistant of microswitch is improved
Performance.
High temperature resistant pressure spring 9 is equipped between the lower part and base of ceramic 2 by movable plate 4.High temperature resistant pressure spring 9 is in hot conditions
Under can still work normally, make by movable plate 4 high temperature resistant pressure spring 9 elastic force effect under normal reset.
The middle part by movable plate 4 be equipped with V-shaped groove, movable contact spring A6, movable contact spring B7 one end be mounted on the V-shaped groove.It presses
The left and right sides at the middle part of movable plate 4 is machined with V-shaped groove, movable contact spring A6, movable contact spring B7 one end installed in left and right V-shaped groove respectively,
When in use, movable contact spring A6, movable contact spring B7 are rotated by fulcrum of V-shaped groove, to realize that circuit switches.The angle of V-shaped groove is little
In 60 degree, the depth of V-shaped groove is to avoid connecing on movable contact spring A6, movable contact spring B7 with by movable plate 4 by the 1/4 to 1/3 of 4 width of movable plate
One end of touching slides in use, meanwhile, improve the operating sensitivity of microswitch circuit switching.
The top by movable plate 4 is mounted on the bottom of ceramic key 3, which is mounted on 2 top of base of ceramic
Key hole in, and can be slided up and down with respect to base of ceramic 2.Make to move up and down by movable plate 4 by pressing ceramic key 3, it is real
Existing circuit switching.
Ceramic cap 10 is bonded with by high-temperature plastic on the base of ceramic 2.Base of ceramic 2 and ceramic cap 10 are all made of pottery
Ceramic material is made, and is bonded together by high-temperature plastic, generally improves the high temperature resistance of microswitch outer.
The conductive component includes L-shaped conductive sheet A1 and conductive sheet B8, conductive sheet A1, conductive sheet B8 one end pacify
In base of ceramic 2, the other end each extends to 2 lower section of base of ceramic, the electrical connection section quartile of conductive sheet A1 in base of ceramic 2
In the top of conductive sheet B8.
It is separate on the movable contact spring A6, movable contact spring B7 to be respectively positioned between conductive sheet A1 and conductive sheet B8 by one end of movable plate 4.
A kind of high temperature resistant change type microswitch described in the utility model, its working principles are as follows:
Ceramic key 3 is pressed, promotion is moved down by movable plate 4, and high temperature resistant pressure spring 9 is further compressed, high temperature resistant tension spring 5
By further elongation, when being moved to commutation critical point by movable plate 4,5 sudden contraction of high temperature resistant tension spring makes movable contact spring A6, dynamic touching
It is separate on piece B7 to be rotated up by one end of movable plate 4, and press on conductive sheet A1, so that microswitch is commutated；When external force is eliminated
When, it automatically resets under the elastic force effect of high temperature resistant pressure spring 9 by movable plate 4, movable contact spring A6 and movable contact spring B7, movable contact spring A6, dynamic touching
It is separate on piece B7 to be rotated down by one end of movable plate 4, and press on conductive sheet B8, complete primary switch commutation cycle.
Using ceramic material base of ceramic 2, ceramic key 3 and ceramic cap 10, the resistance to of microswitch is greatly improved
High-temperature behavior.High temperature resistant tension spring 5 and high temperature resistant pressure spring 9 can be made using the material of the series such as CrSi, CrV, Inconel, GH,
Microswitch has been effectively ensured to remain to steadily commutate under the high temperature conditions (300 DEG C~950 DEG C).
Claims (8)
1. a kind of high temperature resistant change type microswitch, it is characterised in that: including pressing movable plate (4), movable contact spring A (6), movable contact spring B (7)
And conductive component, the movable contact spring A (6) are connect by high temperature resistant tension spring (5) with movable contact spring B (7), the movable contact spring A (6) is moved
One end of contact B (7) be installed in can move up and down by the middle part of movable plate (4), the other end is electrically connected with conductive component.
2. high temperature resistant change type microswitch as described in claim 1, it is characterised in that: described to press movable plate (4), movable contact spring A
(6), movable contact spring B (7) and conductive component are installed in base of ceramic (2), and the top of base of ceramic (2) is slidably fitted with ceramics
Key (3).
3. high temperature resistant change type microswitch as described in claim 1, it is characterised in that: the lower part by movable plate (4) with
High temperature resistant pressure spring (9) are equipped between base of ceramic (2).
4. high temperature resistant change type microswitch as described in claim 1, it is characterised in that: described by being set in the middle part of movable plate (4)
Have a V-shaped groove, movable contact spring A (6), movable contact spring B (7) one end be mounted on the V-shaped groove.
5. high temperature resistant change type microswitch as described in claim 1, it is characterised in that: pacify on the top by movable plate (4)
Mounted in the bottom of ceramic key (3), which is mounted in the key hole at the top of base of ceramic (2), and can be opposite
Base of ceramic (2) slides up and down.
6. high temperature resistant change type microswitch as claimed in claim 2, it is characterised in that: pass through on the base of ceramic (2)
High-temperature plastic is bonded with ceramic cap (10).
7. high temperature resistant change type microswitch as described in claim 1, it is characterised in that: the conductive component includes L-shaped
Conductive sheet A (1) and conductive sheet B (8), conductive sheet A (1), conductive sheet B (8) one end be installed in base of ceramic (2), separately
One end each extends to below base of ceramic (2), and the electrical connections of the interior conductive sheet A (1) of base of ceramic (2) are located at conductive sheet B (8)
Top.
8. high temperature resistant change type microswitch as described in claim 1, it is characterised in that: the movable contact spring A (6), movable contact spring B
(7) separate on to be respectively positioned between conductive sheet A (1) and conductive sheet B (8) by one end of movable plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821882213.1U CN209199814U (en) | 2018-11-15 | 2018-11-15 | A kind of high temperature resistant change type microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821882213.1U CN209199814U (en) | 2018-11-15 | 2018-11-15 | A kind of high temperature resistant change type microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209199814U true CN209199814U (en) | 2019-08-02 |
Family
ID=67411616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821882213.1U Active CN209199814U (en) | 2018-11-15 | 2018-11-15 | A kind of high temperature resistant change type microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209199814U (en) |
-
2018
- 2018-11-15 CN CN201821882213.1U patent/CN209199814U/en active Active
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