CN117690743A - Microminiature double-loop sealing switch - Google Patents
Microminiature double-loop sealing switch Download PDFInfo
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- CN117690743A CN117690743A CN202211080118.0A CN202211080118A CN117690743A CN 117690743 A CN117690743 A CN 117690743A CN 202211080118 A CN202211080118 A CN 202211080118A CN 117690743 A CN117690743 A CN 117690743A
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- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 8
- 239000000565 sealant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000006223 plastic coating Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a microminiature double-loop sealing switch, which comprises a shell, a base, terminal assemblies, conversion groups and a pressing die, wherein the base is connected with the shell in a covering way to form a closed space, the base is provided with two groups of terminal assemblies, the conversion groups are arranged in the closed space and comprise elastic sheets and moving sheets, the number of the moving sheets is the same as that of the terminal assemblies, the moving sheets are in one-to-one correspondence, the set number of the moving sheets are in plastic-coated connection, an insulating piece is formed, one end of the pressing die is arranged in the closed space and is abutted with the moving sheets, and the other end of the pressing die extends outwards through the shell. The invention can realize synchronous switching of two groups of signals and independent control by pressing the pressing mechanism and enabling the pressing mechanism to act on the moving plates so as to switch the signals, and has the advantages of few assembly parts, simple structure and reasonable design, and meanwhile, the insulating parts are formed by plastic-coated connection among the set number of moving plates, and meanwhile, the integral sealing of the switch can be realized through a closed space, so that the switch has waterproof performance.
Description
Technical Field
The invention relates to the technical field of switches, in particular to a microminiature double-loop sealing switch.
Background
The microswitch is a contact mechanism that performs a switching operation with a predetermined stroke and a predetermined force, and is covered with a housing, and the outside of the housing is provided with a kind of switch that drives a lever.
At present, the existing double-loop switch on the market has a complex internal structure, the switch conversion has no independence, synchronous conversion cannot be realized in the conversion process, and meanwhile, the existing double-loop switch has no waterproof performance, so that a plurality of occasions cannot be applied, and the use limitation of the switch is caused; therefore, in order to solve the above problems, the market demand designs a double-loop switch with waterproof function, sensitive conversion and high synchronism, which is mainly applied to the fields of electronic equipment such as automobile electronic control, instruments and meters, household appliances and the like.
Disclosure of Invention
The invention aims to provide a microminiature double-loop sealing switch which has the advantages of simple structure, reasonable design, synchronous conversion and waterproof function.
In order to solve the technical problems, the invention can be realized by adopting the following technical scheme:
a miniature dual-circuit sealed switch comprising:
a housing;
the base is connected with the shell in a covering way, a closed space is formed, two groups of terminal assemblies are arranged on the base, and each terminal assembly comprises a common terminal, a normally closed terminal and a normally open terminal;
the conversion group is arranged in the closed space and comprises elastic sheets and moving sheets, the number of the moving sheets is the same as that of the terminal assemblies, the moving sheets are in one-to-one correspondence, the set number of the moving sheets are in plastic-coated connection, an insulating piece is formed, one end of each elastic sheet is abutted to the base, the other end of each elastic sheet is abutted to the insulating piece, one end of each moving sheet is connected with the common terminal, and the other end of each moving sheet is in switching connection with the normally closed terminal and the normally open terminal;
one end of the pressing catch is arranged in the closed space and is abutted with the moving plate, and the other end of the pressing catch penetrates through the shell and extends outwards.
In one embodiment, after the base is covered with the shell, a sealing groove is formed, and sealant is added in the sealing groove.
In one embodiment, a sealing cap is arranged at one end of the pressing part extending out of the shell, one end of the sealing cap is sealed with the pressing part clamp, and the other end of the sealing cap is sealed with the shell through hot riveting.
In one embodiment, the base is provided with a groove for abutting against the spring plate.
In one embodiment, the common terminal, the normally closed terminal and the normally open terminal are respectively coated on the base, the common terminal is provided with a hooking groove, one end of the normally closed terminal and one end of the normally open terminal are arranged up and down, one end of the moving plate is arranged in the hooking groove, and the other end of the moving plate is arranged between the normally closed terminal and the normally open terminal.
In one embodiment, the pressing mechanism is arranged at one end of the closed space, a pressing head is arranged at one end of the closed space, the number of the pressing heads is the same as that of the moving plates, the pressing heads correspond to the number of the moving plates one by one, and when the pressing mechanism is pressed, the pressing heads press the corresponding moving plates.
In one embodiment, the shell has a length, width, and height dimension of 8mm, 7mm, 5.3mm.
The beneficial effects are that:
1. the structure is simple, the design is reasonable, and the pressing head of the pressing catch presses the moving plate by pressing the pressing catch, so that one end of the moving plate is disconnected from the normally closed terminal and contacted with the normally open terminal, and signal switching is realized; after the pressing mechanism is released, the moving plate is driven to tilt upwards under the action of the resilience force of the elastic sheet, the moving plate is disconnected with the normally-open terminal and contacted with the normally-closed terminal, the signal is switched again, and the pressing mechanism is driven to reset when the moving plate tilts upwards, so that the whole structure of the switch is simple and the design is reasonable.
2. The synchronous conversion is realized by arranging two groups of terminal assemblies on the base, arranging a corresponding number of moving plates, enabling the moving plates to correspond to the terminal assemblies one by one, and then coating plastic between the moving plates with the set number to form insulating pieces, wherein when the pressing catch is pressed, the pressing catch presses the moving plates with the set number, so that the synchronous conversion of multiple groups of signals is realized, and the insulating pieces are formed between the moving plates with the set number, so that interference is not caused between the moving plates with the set number, and the terminal assemblies and the corresponding moving plates can be controlled independently;
3. the waterproof switch has the waterproof function, the sealing glue is added in the sealing groove, the shell and the base are sealed through the sealing glue, meanwhile, the sealing cap is arranged between the extending end of the pressing die and the shell, and finally, a closed space is formed, so that the waterproof function of the switch is realized.
Drawings
FIG. 1 is an exploded schematic view of a subminiature dual-circuit sealed switch of the present invention;
FIG. 2 is a schematic diagram of an assembled structure of the subminiature dual-circuit sealed switch of the present invention;
FIG. 3 is a cross-sectional view of a subminiature dual-circuit sealed switch of the present invention;
FIG. 4 is a schematic diagram of a switch set of the subminiature dual-circuit sealed switch of the present invention;
FIG. 5 is a schematic view of the base and terminal assembly of the subminiature dual-circuit sealed switch of the present invention;
fig. 6 is a schematic diagram of the pressing structure of the subminiature double-loop sealing switch of the present invention.
As shown in the accompanying drawings:
100. a housing;
200. a base; 210. a groove;
300. a terminal assembly; 310. a common terminal; 311. a hooking groove; 320. a normally closed terminal; 330. a normally open terminal;
400. a conversion group; 410. a spring plate; 420. a moving plate; 430. an insulating member;
500. pressing the sincere group; 510. pressing head;
600. a sealing cap;
700. and (5) sealing the groove.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, a subminiature dual-circuit sealed switch includes:
a housing 100;
the base 200 is in cover connection with the shell 100 and forms a closed space, two groups of terminal assemblies 300 are arranged on the base 200, and the terminal assemblies 300 comprise a common terminal 310, a normally closed terminal 320 and a normally open terminal 330;
the conversion group 400 is arranged in the closed space and comprises elastic pieces 410 and movable pieces 420, the number of the movable pieces 420 is the same as that of the terminal assemblies 300, the movable pieces 420 are in one-to-one correspondence, the set number of the movable pieces 420 are in plastic-coated connection, an insulating piece 430 is formed, one end of each elastic piece 410 is abutted against the base 200, the other end of each elastic piece is abutted against the insulating piece 430, one end of each movable piece 420 is connected with the common terminal 310, and the other end of each movable piece 420 is in switching connection with the normally-closed terminal 320 and the normally-open terminal 330;
one end of the pressing catch 500 is arranged in the closed space and is abutted against the moving plate 420, and the other end of the pressing catch 500 extends outwards through the shell 100.
Specifically, in this embodiment, when the signal of the switch needs to be switched, the pressing device 500 presses the moving plate 420 in the pressing process, so that one end of the moving plate 420 presses down to disconnect from the normally closed terminal 320 and contacts with the normally open terminal 330, thereby realizing signal switching; after the pressing pin 500 is released, the elastic piece 410 has elastic force, and under the action of the elastic force of the elastic piece 410, one end of the movable piece 420 is driven to tilt upwards, so that the movable piece 420 is disconnected from the normally open terminal 330 and is contacted with the normally closed terminal 420, the signal is switched again, and when the movable piece 420 is tilted upwards, the upward pressing pin 500 is driven to reset at the same time, and finally, the whole structure of the switch is simple and the design is reasonable.
In addition, since the switch in the present embodiment is a dual-loop switch, the terminal assembly 300 is provided with two sets of moving plates 420, which are in one-to-one correspondence with the terminal assembly 300, and the two sets of moving plates 420 are connected by plastic coating, and the insulating member 430 is formed after plastic coating, when the pressing device 500 is pressed, the pressing device 500 can simultaneously press the two sets of moving plates 420 and switch signals at the same time, so that synchronous conversion of multiple sets of signals is realized, and the insulating member 430 is formed between the two sets of moving plates 420, so that interference is not caused between the two sets of moving plates, and the terminal assembly 300 and the corresponding moving plates 420 can be independently controlled.
Of course, the number of the terminal assemblies 300 and the number of the moving plates 420 are not limited to two, more groups of terminal assemblies 300 can be provided, the number of the moving plates 420 corresponds to the number of the terminal assemblies 300, and the set number of the moving plates 420 are molded to form the insulating member 430, so that the set number of the moving plates 420 have no interference, and synchronous conversion of two groups of signals can be realized and can be controlled independently.
Referring to fig. 1 to 3, in order to make the switch of the present embodiment applicable to more occasions, after the base 200 is covered with the housing 100, a sealing groove 700 is formed, and sealant is added in the sealing groove 700, and meanwhile, in order to ensure normal operation of the switch, one end of the press pin 500 needs to extend outwards through the housing 100, while at one end of the press pin 500 extending outwards of the housing 100, a sealing cap 600 is provided, and one end of the sealing cap 600 is in clamp seal with the press pin 500, and the other end is in rivet seal with the housing 100.
Through adding the sealant in seal groove 700, can make and seal between base 200 and the casing 100, simultaneously, can also make and assemble fixedly between base 200 and the casing 100 through the sealant, and sealing cap 600 can seal between sincere 500 of pressing and the casing 100, finally form airtight space to seal airtight space, make the double-circuit switch realize sealed waterproof function, make the switch can be applied to more occasions, improve the practicality of switch.
Referring to fig. 5, in order to make the switch more sensitive during switching, a groove 210 is provided on the base 200, one end of the elastic sheet 410 is abutted in the groove 210, and the other end is abutted against the insulating sheet 430, so that the elastic sheet 410 is arched and is in a spring state, one end of the movable sheet 420 is always in contact with the normally closed terminal 320 in an initial state through the elastic sheet 410, when the movable sheet 420 is pressed down by the pressing catch 500 to switch signals, and then the pressing catch 500 is released, the movable sheet 420 and the pressing catch 500 are driven to reset under the resilience force of the elastic sheet 410, and finally, the switch can be more sensitive during switching by abutting one end of the elastic sheet 420 against the groove 210 and the other end against the insulating member 430.
Referring to fig. 3 and 5, in order to better seal the switch, the common terminal 310, the normally closed terminal 320 and the normally open terminal 330 are respectively overmolded on the base 200, thereby sealing the terminal assembly 300 and the base 200.
In addition, the common terminal 310 is provided with a hooking slot 311, one end of the normally closed terminal 320 and one end of the normally open terminal 330 are arranged up and down, one end of the moving plate 420 is arranged in the hooking slot 311, the other end of the moving plate 420 is arranged between the normally closed terminal 320 and the normally open terminal 330, the connection between one end of the moving plate 420 and the common terminal 310 is more stable through the hooking slot 311, meanwhile, the other end of the moving plate 420 is conveniently in switching contact with the normally closed terminal 320 and the normally open terminal 330, and finally, the internal structural stability of the switch is better.
Referring to fig. 6, since the pressing device 500 needs to press the set number of moving plates 420 at the same time, a pressing head 510 is disposed at one end of the pressing device 500 in the closed space, and the set number of pressing heads 510 is the same as the set number of moving plates 420 and corresponds to each other one by one, and when the pressing device 500 is pressed, the pressing heads 510 press the corresponding moving plates 420, so that the set number of moving plates 420 can be pressed at the same time, and synchronous conversion of two sets of signals can be realized.
Finally, in order to adapt the switch in the present embodiment to different situations, the length and width dimensions of the housing 100 are 8mm by 7mm by 5.3mm, so as to form a subminiature switch, thereby facilitating the application of the switch to a plurality of different situations and improving the practicality of the switch.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art can practice the invention smoothly as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present invention are possible in light of the above teachings without departing from the scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the present invention.
Claims (7)
1. A miniature dual-circuit sealed switch, comprising:
a housing;
the base is connected with the shell in a covering way, a closed space is formed, two groups of terminal assemblies are arranged on the base, and each terminal assembly comprises a common terminal, a normally closed terminal and a normally open terminal;
the conversion group is arranged in the closed space and comprises elastic sheets and moving sheets, the number of the moving sheets is the same as that of the terminal assemblies, the moving sheets are in one-to-one correspondence, the set number of the moving sheets are in plastic-coated connection, an insulating piece is formed, one end of each elastic sheet is abutted to the base, the other end of each elastic sheet is abutted to the insulating piece, one end of each moving sheet is connected with the common terminal, and the other end of each moving sheet is in switching connection with the normally closed terminal and the normally open terminal;
one end of the pressing catch is arranged in the closed space and is abutted with the moving plate, and the other end of the pressing catch penetrates through the shell and extends outwards.
2. The subminiature dual-circuit sealed switch as set forth in claim 1, wherein: after the base is covered with the shell, a sealing groove is formed, and sealing glue is added in the sealing groove.
3. The subminiature dual-circuit sealed switch as set forth in claim 1, wherein: one end of the pressing part extending out of the shell is provided with a sealing cap, one end of the sealing cap is sealed with the pressing part clamp, and the other end of the sealing cap is sealed with the shell through hot riveting.
4. The subminiature dual-circuit sealed switch as set forth in claim 1, wherein: the base is provided with a groove for abutting against the elastic sheet.
5. The subminiature dual-circuit sealed switch as set forth in claim 1, wherein: the common terminal, the normally closed terminal and the normally open terminal are respectively coated on the base, the common terminal is provided with a hooking groove, one end of the normally closed terminal and one end of the normally open terminal are arranged up and down, one end of the moving plate is arranged in the hooking groove, and the other end of the moving plate is arranged between the normally closed terminal and the normally open terminal.
6. The subminiature dual-circuit sealed switch as set forth in claim 1, wherein: the pressing mechanism is arranged at one end of the closed space, is provided with pressing heads, is set to be the same as the moving plates in number, corresponds to the moving plates one by one, and presses the corresponding moving plates when the pressing mechanism is pressed.
7. The subminiature dual-circuit sealed switch as set forth in claim 1, wherein: the length of the shell is 8mm, 7mm and 5.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211080118.0A CN117690743A (en) | 2022-09-05 | 2022-09-05 | Microminiature double-loop sealing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211080118.0A CN117690743A (en) | 2022-09-05 | 2022-09-05 | Microminiature double-loop sealing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117690743A true CN117690743A (en) | 2024-03-12 |
Family
ID=90132502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211080118.0A Pending CN117690743A (en) | 2022-09-05 | 2022-09-05 | Microminiature double-loop sealing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117690743A (en) |
-
2022
- 2022-09-05 CN CN202211080118.0A patent/CN117690743A/en active Pending
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