CN208922952U - A kind of microswitch - Google Patents
A kind of microswitch Download PDFInfo
- Publication number
- CN208922952U CN208922952U CN201821990491.9U CN201821990491U CN208922952U CN 208922952 U CN208922952 U CN 208922952U CN 201821990491 U CN201821990491 U CN 201821990491U CN 208922952 U CN208922952 U CN 208922952U
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- CN
- China
- Prior art keywords
- terminal
- normally opened
- operating member
- arched arm
- microswitch
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Abstract
The utility model proposes a kind of microswitches, including button, upper cover, pedestal, normally opened terminal, normally closed terminal, public terminal, movable plate and lever, wherein, on be covered on pedestal, the top of button stretches out in the upper cover, microswitch further includes an elastic component, and elastic component is bent by an elastic sheet metal, is divided into driving portion, arched arm and operating member；Arched arm extends to operating member from one end, its other end extends to driving portion, arched arm is crossed in normally opened terminal upper portion, when driving portion is pressed down under the button external force, it is shifted up by operating member described in the arched arm flexible drive, when the button removes external force, restored under resilient force by arched arm, the operating member resets downwards.Driving portion, arched arm and the operating member unitary design that the microswitch of the utility model is sequentially distributed using an elastic sheet metal, stablize durable, and the cost of material is low, while substantially increasing assembly efficiency, reduces production cost.
Description
Technical field
The utility model relates to switching technique field, in particular to a kind 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, is covered with shell, outside have a kind of switch of drive rod because contact spacing of its switch is smaller,
Therefore named microswitch, is called sensitive switch.
Microswitch is very high to sensitivity and stability requirement, and the bullet of existing microswitch has a sudden inspiration structure usually using bullet
Spring, structure is complicated and needs the space occupied larger for this；And normally opened terminal and normally closed terminal usually require multiple bending just can be at
Type, manufacturing process is complicated, and manufacture difficulty is big, at high cost.So designing a kind of sensitivity and stabilization that ensure that microswitch
Property, and making the structure of microswitch simple, process is simply easily fabricated, and manufacture difficulty is low, at low cost very necessary.
Utility model content
For the technical problem more than solving, the utility model provides a kind of structure for being intended to simplify microswitch, makes it
Assembly process simplifies, easily fabricated, and cost reduces.
The utility model is achieved through the following technical solutions:
The utility model discloses a kind of microswitches, including button, upper cover, pedestal, normally opened terminal, normally closed terminal, public affairs
Terminal, movable plate and lever altogether, the normally opened terminal, normally closed terminal and public terminal, which sequentially pass through, to be set in the pedestal, institute
The top for stating public terminal is connected with movable plate and lever respectively, it is described on be covered on the pedestal, the top of the button
The upper cover is stretched out in, the microswitch further includes an elastic component, and the elastic component is bent by an elastic sheet metal, according to
It is secondary to be divided into driving portion, arched arm and operating member；The arched arm extends to operating member from one end, and the other end extends to driving
Portion, the arched arm is crossed in the normally opened terminal upper portion, when the driving portion is pressed down under the button external force, is led to
Operating member described in the arched arm flexible drive is crossed to shift up, it is extensive by arched arm when the button removes external force
Under the effect of complex elasticity power, the operating member resets downwards.
Further, fixing groove, the arched arm bottom are equipped with close to the top of the normally opened terminal at the top of the pedestal
It is installed in the fixing groove, and arched arm and the normally opened terminal are electrically connected.
Further, direction extends to form bending part downward vertically for described lever one end, and it is logical that the bending part is equipped with first
Hole, the first through hole are detachably connected with the driving portion, the lever other end be equipped with the second through-hole, second through-hole with
Public terminal upper end is detachably connected.
Further, rectangular channel is provided in the middle part of the lever, the rectangular channel is for normally opened terminal described in empty avoiding
Top.
Further, described movable plate one end is equipped with bifurcated mouth, the bifurcated mouth and set on public terminal top side
Strip groove be caught in connection, be respectively provided with movable contact, the free end of the movable plate respectively at the top and bottom of the free end of the movable plate
Equipped with third through-hole, the third through-hole is detachably connected with the operating member.
Further, the normally closed terminal upper end is equipped with normally closed terminal stationary contact, is equipped in the upper end of the normally opened terminal
Normally opened terminal stationary contact, the normally opened terminal stationary contact are located at the top of the normally closed terminal stationary contact.
Further, the elastic component is process by beryllium table copper or tin bronze or stainless steel or titanium metal material.
Implement a kind of microswitch of the utility model, there is following technical characteristic and beneficial technical effect:
The microswitch being different from the prior art is hit by a bullet has a sudden inspiration structure usually using spring, should structure is complicated and needs to occupy
Space is larger, and the technical solution of the application is using elastic component as reply power, it can be achieved that switch conversion function, motion stability can
It leans on, it is easy to assembly, production cost is greatly reduced, efficiency is improved.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to implementation
Example or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only some embodiments of the utility model, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the decomposition texture schematic diagram of the microswitch of the utility model embodiment；
Fig. 2 is the partial structure diagram of the utility model embodiment microswitch；
Fig. 3 is the external structure schematic diagram of the utility model embodiment microswitch.
Wherein: 1 button, 2 upper covers, 3 pedestals, 4 normally opened terminals, 41 normally opened terminal stationary contacts, 5 normally closed terminals, 51 normal-closed ends
Sub- stationary contact, 6 public terminals, 61 strip grooves, 7 movable plates, 71 bifurcated mouths, 72 movable contacts, 73 third through-holes, 8 levers, 81 bendings
Portion, 82 first through hole, 83 second through-holes, 84 rectangular channels, 9 elastic components, 91 driving portions, 92 arched arms, 93 operating members, 10 are fixed
Slot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Microswitch microswitch generallys use spring leaf as power secondary drive module, is sent out by spring leaf and fixed contact
Raw Rapid contact completes on or off operation；Due to needing spring leaf preferably to spring back effect and longer service life, lead to
Frequently with elasticity is good, the materials such as special beryllium-bronze, tin bronze, stainless steel are fabricated to spring leaf.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the preferred embodiment of the utility model, a kind of microswitch, including button 1, on
Lid 2, pedestal 3, normally opened terminal 4, normally closed terminal 5, public terminal 6, movable plate 7 and lever 8, normally opened terminal 4, normally closed terminal 5 and public affairs
Terminal 6, which sequentially passes through, altogether is set in pedestal 3, and the top of public terminal 6 is connected with movable plate 7 and lever 8 respectively, and upper cover 2 is set
In on pedestal 3, the top of button 1 stretches out in the upper cover 2, and microswitch further includes an elastic component 9, and elastic component 9 is by an elasticity
Sheet metal is bent, and is divided into driving portion 91, arched arm 92 and operating member 93；Arched arm 92 extends to operating member from one end
93, the other end extends to driving portion 91, and arched arm 92 is crossed in normally opened 4 top of terminal, and driving portion 91 is in the outer masterpiece of button 1
When being pressed down under, shifted up by 92 flexible drive operating member 93 of arched arm, when the button 1 removes external force,
It is restored under resilient force by arched arm 9, and operating member 93 resets downwards.
Preferably, being equipped with fixing groove 10, the installation of 92 bottom of arched arm close to the top of the normally opened terminal 4 at 3 top of pedestal
In in fixing groove 10, and arched arm 92 and normally opened terminal 4 are electrically connected.
Direction extends to form bending part 81 to 8 one end of lever downward vertically, and bending part 81 is equipped with first through hole 82, first through hole
82 are detachably connected with the driving portion 91, and 8 other end of lever is equipped with the second through-hole 83, the second through-hole 83 and 6 upper end of public terminal
Portion is detachably connected.
The middle part of lever 8 is provided with rectangular channel 84, and rectangular channel 84 is used for the top of the normally opened terminal 4 of empty avoiding.
7 one end of movable plate is equipped with bifurcated mouth 71, bifurcated mouth 71 and 61 company of being caught in of strip groove for being set to 6 top side of public terminal
It connects, is respectively provided with movable contact 72 at the top and bottom of the free end of movable plate 7 respectively, the free end of movable plate 7 is equipped with third through-hole 73, third
Through-hole 73 is detachably connected with the operating member 93.
Normally closed 5 upper end of terminal is equipped with normally closed terminal stationary contact 51, is equipped with normally opened terminal stationary contact in the upper end of normally opened terminal 4
41, normally opened terminal stationary contact 41 is located at the top of the normally closed terminal stationary contact 51.
Elastic component 9 is process by beryllium table copper or tin bronze or stainless steel or titanium metal material.
It is further described below:
A kind of long stroke microswitch with elastic piece structure provided by the utility model, including button, upper cover, lever,
Elastic component, normally closed terminal, normally closed terminal stationary contact, normally opened terminal, normally opened terminal stationary contact, public terminal, movable contact, movable plate and
Pedestal.Pedestal with normally opened terminal, normally closed terminal, public terminal is fixed together using encapsulated technique, and base top is set
Set fixing groove；Button is put into the button slot of upper cover from upper cover bottom, and button head stretches out upper cover, and button bottom and lever one terminate
Touching, the lever other end are connected with public terminal, and lever is equipped with rectangular first through hole close to one end of button, elastic component
Driving portion is inserted into rectangular first through hole and is connected, and a rectangle third is logical on the operating member and movable plate of the elastic component other end
Hole is connected, and movable plate one end tool bifurcated port is stuck in the strip groove of public terminal upper end, thus connect with public terminal,
Not under conditions of by external force, the movable contact on movable plate contacts the normally closed terminal stationary contact on normally closed terminal, forms common end
The sub access connected with normally closed terminal.After button is driven external force, the driving portion of lever is pushed to move downward, elastic component is downward
It moves and stress generates deformation, upward impetus power is generated in movable plate, pushes the normally closed stationary contact of movable plate and normally closed terminal
It disconnects, movable plate and normally opened termination contact is switched to, when button is not by external force, in the reply that elastic component is generated by compression
Power can be such that the normally opened terminal stationary contact of movable plate and normally opened terminal disconnects, and movable plate replys the normally closed stationary contact point contact with normally closed terminal
State realize the conversion function of switch two-way NO-OFF-ON to realize the switching between two-way circuit.
Implement a kind of microswitch of the utility model, there is following technical characteristic and beneficial technical effect:
The microswitch being different from the prior art is hit by a bullet has a sudden inspiration structure usually using spring, should structure is complicated and needs to occupy
Space is larger, and the technical solution of the application is using elastic component as reply power, it can be achieved that switch conversion function, motion stability can
It leans on, it is easy to assembly, production cost is greatly reduced, efficiency is improved.
Specific embodiment described herein is only to give an example to the utility model aims.The utility model
Person of ordinary skill in the field can make various modifications or additions to the described embodiments or using class
As mode substitute, but objective without departing from the utility model or beyond the scope of the appended claims.
Claims (7)
1. a kind of microswitch, including button, upper cover, pedestal, normally opened terminal, normally closed terminal, public terminal, movable plate and lever,
The normally opened terminal, normally closed terminal and public terminal, which sequentially pass through, to be set in the pedestal, the upper part of the public terminal
Be not connected with movable plate and lever, it is described on be covered on the pedestal, the top of the button stretches out in the upper cover, feature
It is, the microswitch further includes an elastic component, and the elastic component is bent by an elastic sheet metal, is divided into drive
Dynamic portion, arched arm and operating member；The arched arm extends to operating member from one end, and the other end extends to driving portion, the arc
Shape arm is crossed in the normally opened terminal upper portion, when the driving portion is pressed down under the button external force, passes through the arc
Operating member described in shape arm flexible drive shifts up, and when the button removes external force, restores elastic force by arched arm
Under effect, the operating member resets downwards.
2. microswitch according to claim 1, which is characterized in that close to the upper of the normally opened terminal at the top of the pedestal
Portion is equipped with fixing groove, and the arched arm bottom is installed in the fixing groove, and arched arm and the normally opened terminal are electrically connected.
3. microswitch according to claim 1, which is characterized in that described lever one end extends to form in direction downward vertically
Bending part, the bending part are equipped with first through hole, and the first through hole is detachably connected with the driving portion, the lever other end
Equipped with the second through-hole, second through-hole is detachably connected with public terminal upper end.
4. microswitch according to claim 1 or 3, which is characterized in that be provided with rectangular channel, institute in the middle part of the lever
State top of the rectangular channel for normally opened terminal described in empty avoiding.
5. microswitch according to claim 1, which is characterized in that described movable plate one end is equipped with bifurcated mouth, the bifurcated
Mouth is caught in the strip groove for being set to public terminal top side and connect, each respectively at the top and bottom of the free end of the movable plate
Equipped with movable contact, the free end of the movable plate is equipped with third through-hole, and the third through-hole is detachably connected with the operating member.
6. microswitch according to claim 1, which is characterized in that the normally closed terminal upper end is equipped with normally closed terminal stationary contact
Point is equipped with normally opened terminal stationary contact in the upper end of the normally opened terminal, and it is quiet that the normally opened terminal stationary contact is located at the normally closed terminal
The top of contact.
7. microswitch according to claim 1, which is characterized in that the elastic component is by beryllium table copper or tin bronze or not
Rust steel or titanium metal material are process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990491.9U CN208922952U (en) | 2018-11-29 | 2018-11-29 | A kind of microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990491.9U CN208922952U (en) | 2018-11-29 | 2018-11-29 | A kind of microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208922952U true CN208922952U (en) | 2019-05-31 |
Family
ID=66712469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821990491.9U Expired - Fee Related CN208922952U (en) | 2018-11-29 | 2018-11-29 | A kind of microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208922952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411276A (en) * | 2018-11-29 | 2019-03-01 | 深圳市德威控制系统有限公司 | A kind of microswitch |
-
2018
- 2018-11-29 CN CN201821990491.9U patent/CN208922952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411276A (en) * | 2018-11-29 | 2019-03-01 | 深圳市德威控制系统有限公司 | A kind of microswitch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |