CN110867333A - Push-button switch - Google Patents
Push-button switch Download PDFInfo
- Publication number
- CN110867333A CN110867333A CN201911344778.3A CN201911344778A CN110867333A CN 110867333 A CN110867333 A CN 110867333A CN 201911344778 A CN201911344778 A CN 201911344778A CN 110867333 A CN110867333 A CN 110867333A
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- CN
- China
- Prior art keywords
- circuit
- connecting bridge
- switch
- button
- indicating
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/28—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs
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- Push-Button Switches (AREA)
Abstract
The present invention provides a push switch, comprising: a base; the switch circuit mechanism is used for controlling the on-off of a power supply circuit of the electric equipment; the indicating mechanism is used for indicating the on-off of the power supply circuit; and the control mechanism is provided with an indicating circuit connecting bridge which can move along with the push button to control the circuit to be switched on and switched off and two indicating circuit contacts which are in contact connection with the indicating circuit connecting bridge and are used for controlling the indicating circuit to be switched on and switched off. The indicating lamp type button switch provided by the invention can help a user to quickly and intuitively judge the on-off condition of the circuit and the working condition of equipment through the indication of the circuit.
Description
Technical Field
The invention belongs to the technical field of switches, and relates to a button switch.
Background
The button switch is an electric appliance which utilizes a button to push a transmission mechanism to drive a movable contact to be connected with or disconnected from a fixed contact so as to realize the connection or the disconnection of a circuit, and has the advantages of simple structure and high stability. The button switch has the characteristics of pressing to act and releasing to reset, and is used for manually sending out a control signal to control equipment such as a contactor, a relay, an electromagnetic starter and the like in an automatic control circuit of the electric appliance.
In practical application, some large-scale equipment are controlled by the button switch, or when the controlled equipment is far away from the button switch, a user hardly judges whether a power supply circuit is communicated or not after pressing the button switch, whether the equipment works or not, the user needs to walk to the position where the equipment is located, whether the equipment works or not is automatically checked, and the operation is very inconvenient.
Disclosure of Invention
In order to solve the problems, the invention provides a button switch which can provide indication for the on-off of a controlled power supply circuit, and the invention adopts the following technical scheme:
the present invention provides a push-button switch, comprising: the switch circuit mechanism is provided with a button for pressing operation by a user, a switch circuit connecting bridge capable of moving along with the button to control the on-off of the power supply circuit and a reset mechanism for controlling the on-off of the power supply circuit after the user finishes pressing; and the indicating mechanism is used for indicating the on-off of the circuit and comprises an indicating circuit with an indicating element, an indicating circuit contact connected to the indicating circuit and an indicating circuit connecting bridge matched with the indicating circuit contact, wherein the indicating circuit connecting bridge is combined with the button and moves along with the pressing operation of the button by a user, so that the indicating circuit is communicated by contacting with the indicating circuit contact while the power supply circuit is communicated along with the pressing operation of the switching circuit connecting bridge, and the indicating element indicates the communication of the switching circuit.
The push button switch provided by the invention can also have the technical characteristics that: and a cover plate mounted on the base, wherein the button comprises a cap part having a pressing surface for pressing by an operator, a rod part extending from the back surface of the pressing surface of the cap part, and an end part located at the other end of the rod part, a part of the cap part and the rod part is located outside the base covered with the cover plate, and the other part and the end part of the rod part are mounted inside the base covered with the cover plate.
The push button switch provided by the invention can also have the technical characteristics that the switch circuit mechanism also comprises two switch circuit contacts and a displacement spring, the switch circuit connecting bridge comprises two contacts which are nested in the rod part of the button, the contacts are positioned at two ends of the switch connecting bridge, the switch circuit contacts are arranged on the base, and are positioned at one side of the contacts of the switch circuit connecting bridge, which is close to the cap part of the button, and correspond to the contacts of the switch circuit connecting bridge, the displacement spring is distributed at two sides of the rod part of the button, one end of the displacement spring is connected with the rod part of the button, the other end of the displacement spring is connected with the positions, which are close to the contacts, of the two ends of the switch circuit connecting bridge, when a user presses the cap part of the button, an acting force towards the rod part is applied to the cap part, so that the cap part of the button drives the rod part and the end, before the displacement spring reaches the limit position, the switch circuit connecting bridge connected with the displacement spring does not displace, when the displacement spring exceeds the limit position, the displacement spring, the connecting part of the rod part of the button and the displacement spring and the connecting part of the switch circuit connecting bridge and the displacement spring are on the same horizontal plane, after the displacement spring exceeds the limit position, the button continues to move, the compression amount of the displacement spring is reduced compared with the limit position, an acting force containing a component opposite to the acting force direction applied by a user is applied to the switch circuit connecting bridge, and therefore the switch circuit connecting bridge moves in the opposite direction of the acting force applied by the user until the switch circuit connecting bridge is contacted with a switch circuit contact and is communicated with a power supply circuit.
The push-button switch provided by the invention can also have the technical characteristics that the material of the switch circuit connecting bridge and the indication circuit connecting bridge is beryllium bronze.
The push button switch provided by the invention can also have the technical characteristics that the reset mechanism is an elastic member, one end of the elastic member is connected with the base, the other end of the elastic member is connected with the indicating circuit connecting bridge, an acting force towards the cap part of the push button is provided for the indicating circuit connecting bridge, and after a user removes the acting force applied to the cap part of the push button, the acting force provided by the elastic member pushes the indicating circuit connecting bridge and the push button combined with the indicating circuit connecting bridge to move towards the direction far away from the indicating circuit contact, so that the indicating circuit is disconnected, and meanwhile, the switch circuit connecting bridge embedded in the rod part of the push button is pushed to move towards the direction far away from the switch circuit contact, so that the power supply.
The push switch provided by the invention can also have the technical characteristics that the indicating circuit comprises a power supply for supplying power to the indicating element.
The push-button switch provided by the invention can also have the technical characteristics that the indicating circuit connecting bridge comprises two contact points, and the indicating circuit contact is positioned on one side of the indicating circuit connecting bridge, which is far away from the push button, and corresponds to the contact point of the indicating circuit connecting bridge.
Action and Effect of the invention
According to the button switch, the indicating circuit connecting bridge and the switch circuit connecting bridge move along with the button, when the switch circuit connecting bridge is in contact with the switch circuit contact, the power supply circuit is communicated, the indicating circuit connecting bridge is also in contact with the indicating circuit contact, the indicating circuit is communicated, and the indicating element arranged on the indicating circuit works, so that a user can judge the on-off state of the power supply circuit through the indication of the indicating element, and the user can quickly and intuitively judge the working condition of the controlled equipment under the condition that the working of the controlled equipment cannot be intuitively observed. The button switch has simple structure and is beneficial to large-scale production and popularization.
Drawings
Fig. 1 is a schematic perspective view of a push switch according to an embodiment of the present invention;
FIG. 2 is an exploded view of a push button switch according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a push button switch of an embodiment of the present invention with a cover removed;
fig. 4 is a schematic perspective view of a switch circuit mechanism of the push switch according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of an elevational view of the push button switch of an embodiment of the present invention when open;
fig. 6 is a schematic front view of the push switch according to the embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
< example >
The button switch provided by the embodiment of the invention is used for controlling the on-off of a power supply circuit of electric equipment and is arranged on a circuit board of the electric equipment.
Fig. 1 is a schematic perspective view of a push button switch according to an embodiment of the present invention, fig. 2 is a schematic perspective view of an exploded structure of the push button switch according to an embodiment of the present invention, and fig. 3 is a schematic perspective view of the push button switch according to an embodiment of the present invention with a cover plate removed.
As shown in fig. 1 to 3, the push button switch 100 of the present embodiment includes a base 10, a switch circuit mechanism 20, an indication mechanism 30, and a cover 40.
Wherein the base 10 is mounted on a circuit board of an electric device.
Fig. 4 is a schematic perspective view of a switch circuit mechanism of the push switch according to the embodiment of the present invention.
As shown in fig. 2 to 4, the switch circuit mechanism 20 includes a push button 21, a switch circuit connecting bridge 22, two switch circuit contacts 23, two displacement springs 24, and a return mechanism 25, and the return mechanism 25 used in this embodiment is a return spring.
The button 21 includes a cap portion 211, a stem portion 212, and an end portion 213.
The front surface (i.e., the upper side surface shown in fig. 3) of the cap 211 is a pressing surface for a user to perform a pressing operation, one end of the rod 212 is coupled to the back surface (i.e., the lower side surface shown in fig. 3) of the cap 211, and the other end is coupled to the end 213, so that when the user performs a pressing operation on the cap 211, a force toward the rod 212 is applied to the cap 211, thereby pushing the cap 211 to move the rod 212 and the end 213 together in a direction of the force applied by the user.
The switch circuit bridge 22 has a contact at each end, the switch circuit bridge 22 has a hollow portion in the middle, the hollow portion is nested on the rod portion 212 of the button 21, and the switch circuit bridge 22 can move relative to the rod portion 212 of the button 21.
Two switching circuit contacts 23 are mounted on the base 10, on the side of the switching circuit connecting bridge 22 close to the cap 211 of the push button 21, in correspondence with the two contacts of the switching circuit connecting bridge 22, the pins of the two switching circuit contacts 23 being connected to the power supply circuit.
The two displacement springs 24 are distributed on both sides of the rod portion 212 of the push button 21, one end of each displacement spring is connected with the rod portion 212 of the push button 21, and the other end of each displacement spring is connected to the positions, close to the contacts, of both ends of the switch circuit connecting bridge 22.
The indication mechanism 30 comprises an indication circuit, an indication circuit connection bridge 31 and two indication circuit contacts 32.
The indicating circuit is arranged on the circuit board and comprises an indicating circuit power supply and an indicating element, and the indicating element adopted by the embodiment is an indicating lamp. (not shown in the figure)
The indication circuit connection bridge 31 is in this embodiment of a figure eight with one contact at each end of the figure eight.
The indicating circuit connecting bridge 31 is attached to the end 213 of the push button 21, is located on the side of the end 213 of the push button 21 away from the rod 212, and moves in accordance with the push operation of the push button 21 by the user.
Two indicating circuit contacts 32 are mounted on the base 10 on the side of the indicating circuit connecting bridge 31 remote from the push button 21, corresponding to the contacts of the indicating circuit connecting bridge 31, the two indicating circuit contacts 32 having their pins connected to the indicating circuit.
The reset mechanism 25 has one end connected to the base 10 and the other end connected to the indicating circuit connecting bridge 31, and the indicating circuit connecting bridge 31 is closely attached to the end 213 of the push button 21.
In this embodiment, the material of the switch circuit connecting bridge 22 and the indication circuit connecting bridge 31 is beryllium copper, the material of the switch circuit contact 23 and the indication circuit contact 32 is brass, the material of the base 10 and the cover plate 40 is PA66, the material of the rod portion 212 and the end portion 213 of the push button 21 is polysulfone, and the material of the cap portion 211 of the push button 21 is ABS.
Fig. 5 is a schematic front view of the push switch according to the embodiment of the present invention.
As shown in fig. 5, when the switch of the present embodiment is in the off state, the displacement spring 24 is in the initial position, the displacement spring 24 is in the compressed state and applies a force to the switch circuit connecting bridge 22 including the end 213 facing the push button 21, so that the switch circuit connecting bridge 22 is attached to the end 213 of the push button 21.
At this time, the two contacts of the switch circuit connecting bridge 22 are not in contact with the two open-end circuit contacts 23, the power supply circuit is in an off state, and the electric equipment does not work.
At the same time, the reset mechanism 25 is in the initial position, providing a force to the indicating circuit connecting bridge 31 towards the rod portion 212 of the push button 21, and abutting the indicating circuit connecting bridge 31 against the end 213 of the push button 21 away from the rod portion 212. Thus, the two contacts of the indicating circuit connecting bridge 31 are not in contact with the two indicating circuit contacts 32, the indicating circuit is also in an off state, and the indicator light does not operate.
Fig. 6 is a schematic front view of the push switch according to the embodiment of the present invention.
As shown in fig. 6, when the user presses the cap portion 211 of the push button 21, a force is applied to the cap portion 211 toward the rod portion 212. This force is greater than the force applied by the return mechanism 25 to the indicating circuit connecting bridge 31, so that the cap 211 moves the rod portion 212, the end portion 213, and the indicating circuit connecting bridge 31 attached to the end portion 213 together in the direction of the force applied by the user, compressing the displacement spring 24 and the return mechanism 25, and increasing the amount of compression of the displacement spring 24.
When the user continues to perform the pressing operation, the push button 21 continues to move toward the lower side as shown in fig. 6.
When the displacement spring 24 reaches the limit position, the portion of the displacement spring 24 connected to the rod portion 212 is located on the side of the portion of the displacement spring 24 connected to the switch circuit connecting bridge 22, which is close to the cap portion 211, that is, the portion of the displacement spring 24 connected to the rod portion 212 is located on the upper side of the portion of the displacement spring 24 connected to the switch circuit connecting bridge 22 as shown in fig. 6, and the switch circuit connecting bridge 22 connected to the displacement spring 24 is not displaced.
When the displacement spring 24 reaches the limit position, the displacement spring 24, the portion of the displacement spring 24 connected to the rod portion 212, and the portion of the displacement spring 24 connected to the switch circuit connection bridge 22 are on the same horizontal line, and the distance between the connection portions at both ends of the displacement spring 24 is the shortest, so that the compression amount of the displacement spring 24 is the largest.
When the displacement spring 24 exceeds the limit position, the push button 21 continues to move, and the compression amount of the displacement spring 24 increases relative to the limit position, and the portion of the displacement spring 24 connected to the rod portion 212 is located on the side of the portion of the displacement spring 24 connected to the switch circuit connecting bridge 22, which is away from the cap portion 211, that is, the portion of the displacement spring 24 connected to the rod portion 212 is located on the lower side of the portion of the displacement spring 24 connected to the switch circuit connecting bridge 22 as shown in fig. 6.
At this time, the displacement spring 24 applies a force having a component opposite to the direction of the force applied by the user to the switch circuit connecting bridge 22, thereby moving the switch circuit connecting bridge 22 in the direction approaching the switch circuit contact 23 until contacting the switch circuit contact 23 to connect the power supply circuit, and operating the electric device.
While continuing to compress the reset mechanism 25, the indicating circuit connecting bridge 31 moves toward the indicating circuit contact 32 until contacting the indicating circuit contact 32, thereby connecting the indicating circuit and operating the indicator light.
When the user removes the force applied to the cap portion 211 of the button 21, the force provided by the reset mechanism 25 pushes the indication circuit connecting bridge 31 and the button 21 coupled to the indication circuit connecting bridge 31 to move away from the indication circuit contacts 32, thereby opening the indication circuit, and pushes the switch circuit connecting bridge 22 nested in the rod portion 212 of the button 21 to move away from the switch circuit contacts 23, thereby opening the power supply circuit.
According to the button switch of this embodiment, because instruction circuit connection bridge and switch circuit connection bridge move along with the button, when switch circuit connection bridge and switch circuit contact, when intercommunication supply circuit, instruction circuit connection bridge also contacts with the instruction circuit contact, intercommunication indicating circuit, make the indicating element who installs on indicating circuit work, thereby can make the user judge supply circuit's on-off state through indicating element's instruction, thereby make the quick audio-visual judgement device's of user operational aspect under the condition that unable audio-visual observation controlled equipment worked.
According to the button switch of this embodiment, the button can move along with the press operation that the user goes on, drives the removal of switch circuit connection bridge to realize supply circuit's control, the cap portion and pole portion, the tip that the button contains use different materials, and the protection user carries out supply circuit's control operation.
According to the button switch of the embodiment, the material of the switch circuit connecting bridge and the indication circuit connecting bridge is beryllium bronze, the elastic deformation of the beryllium bronze is less than or equal to 1mm, and the beryllium bronze can bear 6050-time deformation at least, so that a user can switch on a power supply circuit after pressing operation is carried out, and meanwhile, the service life of the button switch is prolonged.
According to the button switch of the embodiment, the use of the reset mechanism ensures that the switch circuit connecting bridge is separated from the switch circuit contact and the indicating circuit connecting bridge is separated from the indicating circuit contact after the user removes the pressing operation, and simultaneously disconnects the power supply circuit and the indicating circuit.
According to the button switch of the embodiment, the contact points on the switch circuit connecting bridge and the indicating circuit connecting bridge enable the contact of the contact points to be more sufficient, and the stability of the button switch communication circuit is improved.
The indicating mechanism in the embodiment can help a user to quickly and intuitively judge the on-off condition of the circuit and the working condition of the equipment through the indication of the indicating element under the condition that the working of the controlled equipment cannot be intuitively observed.
The button switch is small in overall size, simple in structure and beneficial to large-scale production and popularization.
The above embodiments are merely to illustrate specific embodiments of the present invention, and the push button switch of the present invention is not limited to the scope described in the above embodiments.
In an embodiment, the return mechanism is a return spring. However, the resetting mechanism can be other elastic elements in the invention, and the same resetting effect can be achieved as long as the resetting mechanism has elasticity.
Claims (7)
1. A push-button switch for controlling the on-off of a power supply circuit of a powered device, comprising:
the switch circuit mechanism is provided with a button for pressing operation by a user, a switch circuit connecting bridge capable of moving along with the button to control the on-off of the power supply circuit and a reset mechanism for controlling the on-off of the power supply circuit after the user finishes pressing; and
the indicating mechanism is used for indicating the on-off of the circuit and is provided with an indicating circuit with an indicating element, two indicating circuit contacts connected to the indicating circuit and an indicating circuit connecting bridge matched with the indicating circuit contacts,
the indication circuit connecting bridge is combined with the button and moves along with the button pressed by the user, so that the indication circuit is communicated when the switch circuit connecting bridge is contacted with the indication circuit contact while the power supply circuit is communicated along with the pressing operation, and the indication element indicates the communication of the switch circuit.
2. The push button switch of claim 1, further comprising:
a base seat, a plurality of fixing holes and a plurality of fixing holes,
a cover plate installed on the base,
wherein the button comprises a cap having a pressing surface for the operator to perform the pressing operation, a rod extending from a rear surface of the pressing surface of the cap, and an end located at the other end of the rod,
a part of the cap part and the rod part are positioned outside the base after the cover plate is covered, and the other part and the end part of the rod part are arranged inside the base after the cover plate is covered,
when the user performs the pressing operation, a force is applied to the cap, so that the cap carries the rod portion together with the end portion in the direction of the applied force.
3. The push button switch of claim 1, wherein:
wherein the switching circuit mechanism further comprises two switching circuit contacts and a displacement spring,
the switch circuit connecting bridge comprises two contacts which are nested in the rod part of the button, the contacts are positioned at two ends of the switch connecting bridge,
the switch circuit contact is mounted on the base on a side of the contact of the switch circuit connecting bridge adjacent to the cap portion of the button, corresponding to the contact of the switch circuit connecting bridge,
the displacement springs are distributed on two sides of the rod part of the button, one end of each displacement spring is connected with the rod part of the button, the other end of each displacement spring is connected to the position, close to the contact, of the two ends of the switch circuit connecting bridge, and therefore the switch circuit connecting bridge can move along with the button and is pressed by a user to enable the switch circuit contacts to be connected, and therefore the power supply circuit is communicated.
4. The push button switch of claim 1, wherein:
the switch circuit connecting bridge and the indicating circuit connecting bridge are made of beryllium bronze.
5. The push button switch of claim 1, wherein:
the reset mechanism is an elastic part, one end of the elastic part is connected with the base, the other end of the elastic part is connected with the indicating circuit connecting bridge, and an acting force towards the cap part of the button is provided for the indicating circuit connecting bridge.
6. The push button switch of claim 1, wherein:
wherein, the indicating circuit comprises a power supply for supplying power to the indicating element.
7. The push button switch of claim 1, wherein:
wherein, the instruction circuit connecting bridge contains two contacts, the instruction circuit contact is located keep away from of instruction circuit connecting bridge one side of button, with the instruction circuit connecting bridge the contact is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344778.3A CN110867333A (en) | 2019-12-20 | 2019-12-20 | Push-button switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344778.3A CN110867333A (en) | 2019-12-20 | 2019-12-20 | Push-button switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110867333A true CN110867333A (en) | 2020-03-06 |
Family
ID=69659239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344778.3A Pending CN110867333A (en) | 2019-12-20 | 2019-12-20 | Push-button switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110867333A (en) |
-
2019
- 2019-12-20 CN CN201911344778.3A patent/CN110867333A/en active Pending
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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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 201718 Shanghai city Qingpu District Jinze industrial city Applicant after: SHANGHAI ELECTROLUX INDUSTRY Co.,Ltd. Address before: 201718 room 419, building 5, No. 3000, Longdong Avenue, Pudong New Area, Shanghai Applicant before: SHANGHAI ELECTROLUX INDUSTRY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Room 348, 3 / F, building 26, no.1-42, Lane 83, Hongxiang North Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201718 Applicant after: SHANGHAI ELECTROLUX INDUSTRY Co.,Ltd. Address before: 201718 Shanghai city Qingpu District Jinze industrial city Applicant before: SHANGHAI ELECTROLUX INDUSTRY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 404f-1, building 5, 3000 Longdong Avenue, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201718 Applicant after: SHANGHAI ELECTROLUX INDUSTRY Co.,Ltd. Address before: Room 348, 3 / F, building 26, no.1-42, Lane 83, Hongxiang North Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201718 Applicant before: SHANGHAI ELECTROLUX INDUSTRY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 201718 building 4, 488 Shangzhou Road, Jinze Town, Qingpu District, Shanghai Applicant after: SHANGHAI ELECTROLUX INDUSTRY Co.,Ltd. Address before: 404f-1, building 5, 3000 Longdong Avenue, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201718 Applicant before: SHANGHAI ELECTROLUX INDUSTRY Co.,Ltd. |