CN219658599U - Small-sized switch with high surge current - Google Patents
Small-sized switch with high surge current Download PDFInfo
- Publication number
- CN219658599U CN219658599U CN202223587865.1U CN202223587865U CN219658599U CN 219658599 U CN219658599 U CN 219658599U CN 202223587865 U CN202223587865 U CN 202223587865U CN 219658599 U CN219658599 U CN 219658599U
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- China
- Prior art keywords
- reed
- button
- piece
- switch
- static
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 70
- 230000003068 static effect Effects 0.000 claims abstract description 26
- 229910001369 Brass Inorganic materials 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims description 5
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052790 beryllium Inorganic materials 0.000 claims description 5
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000010951 brass Substances 0.000 claims description 5
- 239000010974 bronze Substances 0.000 claims description 5
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Tumbler Switches (AREA)
Abstract
The utility model discloses a high surge current miniature switch, comprising: the shell is internally provided with an inner cavity with an open top surface, and the bottom surface of the inner cavity is provided with a lug mounting hole; the button is rotationally arranged in the opening of the shell, and a touch part which is perpendicular to the rotation direction of the button is arranged on the bottom surface of the button; the wiring piece is arranged in the wiring piece mounting hole, the lower end of the wiring piece penetrates out of the shell, the wiring piece comprises a reed connecting piece and a static piece, a static contact is arranged at the upper end of the static piece, and a reed supporting part is arranged at the upper end of the reed connecting piece; the reed is arranged below the button and rotates along with the button, the touch part pushes the reed to rotate around the reed supporting part, and one end of the reed is provided with a movable contact which is arranged opposite to the fixed contact. The utility model optimizes the internal structure of the switch, improves the surge current bearable by the switch, reduces the occupied volume of the switch and has wider application range.
Description
Technical Field
The utility model relates to the technical field of switches, in particular to a high-surge-current small-sized switch.
Background
The micro switch is a switch in which external mechanical force acts on the action reed through the transmission element to enable the movable contact at the tail end of the micro switch to be quickly connected with or disconnected from the static contact. The high-stability micro switch comprises an outer shell, wherein a first clamping groove and a second clamping groove are formed in the outer shell, a movable spring plate foot is clamped in the first clamping groove, one end of the movable spring plate foot is extendedly provided with a movable spring plate, a movable contact is arranged on the movable spring plate, a foot piece is clamped in the second clamping groove, a fixed contact corresponding to the movable contact is arranged on the foot piece, a button is arranged on the outer shell, a spring is arranged in the outer shell corresponding to the button, and the movable spring plate is pressed between the button and the spring.
However, in the above technical scheme, the spring is arranged between the movable reed and the shell, and the spring provides the reset elastic force for the movable reed, so that the complexity of the internal structure of the micro switch is increased, the volume of the micro switch is increased, the surge current bearable by the structure is smaller, and the use safety is lower.
Therefore, improvement of the switch structure in the prior art is urgently needed to simplify the internal structure of the switch, reduce the size of the switch, and increase the magnitude of the surge current which can be born, so as to improve the use safety.
Disclosure of Invention
The utility model aims to solve the technical problems that the conventional micro switch is complex in structure, large in occupied installation space and low in use safety.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a high inrush current miniature switch comprising:
the shell is internally provided with an inner cavity with an open top surface, and the bottom surface of the inner cavity is provided with a lug mounting hole;
the button is rotationally arranged in the opening of the shell, and a touch part which is perpendicular to the rotation direction of the button is arranged on the bottom surface of the button;
the wiring piece is arranged in the wiring piece mounting hole, the lower end of the wiring piece penetrates out of the shell to be arranged, the wiring piece comprises a reed connecting piece and a static piece, a static contact is arranged at the upper end of the static piece, and a reed supporting part is arranged at the upper end of the reed connecting piece;
the reed is arranged below the button and rotates along with the button, the touch part pushes the reed to rotate around the reed supporting part, and one end of the reed is provided with a movable contact which is opposite to the fixed contact.
In the above technical solution, preferably, the reed includes:
the first abutting part is obliquely arranged upwards, and the top surface of the first abutting part abuts against the touch part;
one end of the second abutting part is connected with the first abutting part through an arc part, a supporting groove with a downward opening is arranged in the middle of the second abutting part, and the supporting groove is matched with the reed supporting part; the movable contact is provided on the other end of the second abutting portion.
In the above technical solution, preferably, a stationary contact supporting portion is provided at an upper end of the stationary blade, the stationary contact supporting portion is turned over towards one side of the stationary blade, and the stationary contact is provided on a top surface of the stationary contact supporting portion.
In the above technical scheme, preferably, a rotating shaft hole is formed in a side wall of the inner cavity of the housing, a button rotating shaft matched with the rotating shaft hole is arranged on a side surface of the button, and the button rotating shafts are symmetrically arranged on two sides of the button.
In the above technical solution, preferably, the reed connecting piece and the static piece are provided with a limiting portion, the terminal lug mounting hole is a long hole, and the width of the limiting portion is greater than the length of the long hole.
In the above technical solution, preferably, two sides of the housing are provided with buckles.
In the above technical solution, preferably, the reed connecting piece and the static piece are arranged in a staggered manner on the bottom surface of the housing.
In the above technical solution, preferably, a first indicator and a second indicator are respectively provided on a front end face and a rear end face of the housing, and the first indicator and the second indicator are different.
In the above technical solution, preferably, the stationary plate and the reed connecting plate are made of brass, the movable contact and the stationary contact are made of silver-copper alloy, and the reed is made of beryllium bronze.
Compared with the prior art, the high-surge-current small-sized switch provided by the utility model has the advantages that the switch on/off switching is performed through the reed connecting piece, the reed arranged on the moving piece connecting piece in a rotating way and the touch part arranged on the bottom surface of the button, so that the optimization of the internal structure of the switch is realized, the surge current bearable by the switch is improved, and the use safety of the switch is further improved; the reed structure is used in the switch, the spring mechanism is omitted, the contact distance between the switches is reduced, the reaction speed of the switch is improved, and meanwhile, the size of the switch is reduced, so that the switch is suitable for most small household appliances in the market, and the application range of the small switch is enlarged.
Drawings
FIG. 1 is a perspective view of a high inrush current miniature switch of the present utility model;
FIG. 2 is a schematic diagram showing the structural disassembly of a high inrush current miniature switch of the present utility model;
FIG. 3 is a schematic cross-sectional view of a high inrush current miniature switch of the present utility model;
FIG. 4 is a schematic view of the structure of the housing according to the present utility model;
figure 5 is a schematic view of the structure of the reed connecting piece in the utility model;
fig. 6 is a schematic diagram of the reed structure in the present utility model.
The correspondence between the names and the reference numerals of the respective components in fig. 1 to 6 is as follows:
a shell 1, a button 2, a lug 3, a reed 4,
a lug mounting hole 11, a buckle 12, a first indicating part 13, a second indicating part 14, a rotating shaft hole 15,
the rotation shaft 21 of the button, the touching part 22,
a reed connecting piece 31, a static piece 32, a limit part 33, a reed supporting part 34, a static contact 35,
a stationary contact supporting portion 321,
the first abutting portion 41, the second abutting portion 42, the arc-shaped portion 43, the supporting groove 44, and the movable contact 45.
Detailed Description
The utility model provides a high-surge-current small-sized switch, which optimizes the internal structure of the switch, improves the surge current bearable by the switch, reduces the occupied volume of the switch and has wider application range. The utility model is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1, 2 and 3, the high surge current miniature switch provided by the utility model comprises a shell 1, a button 2, a lug 3 and a reed 4.
As shown in fig. 4, an inner cavity with an open top surface is arranged in the casing 1, lug mounting holes 11 are formed in the bottom surface of the inner cavity of the casing 1, the lug mounting holes 11 are distributed along the length direction of the casing 1, and the two lug mounting holes 11 are distributed in a staggered manner on the bottom surface of the casing 1, so that the distribution rate of internal parts of the casing 1 is improved, and the size of the switch is reduced. The two sides of the shell 1 are provided with the buckles 12, so that the shell 1 can be conveniently and firmly installed on electrical equipment. The front end surface and the rear end surface of the housing 1 are respectively provided with a first indicator 13 and a second indicator 14 having different shapes or sizes, and the first indicator and the second indicator function to indicate the mounting direction.
The button 2 rotates and sets up in the uncovered on casing 1, and the both sides of button 2 are equipped with symmetrical distribution's button pivot 21, are equipped with the pivot hole 15 with button pivot 21 looks adaptation on the casing 1, and button 2 passes through pivot hole 15 and button pivot 21 cooperation, sets up on casing 1. The bottom surface of the button 2 is provided with a touch part 22, and the touch part 22 is arranged perpendicular to the rotation direction of the button 2.
As shown in fig. 2, 3 and 5, the tab 3 is disposed in the tab mounting hole 11, and the lower end of the tab 3 is disposed to protrude from the housing 1. The terminal lug 3 includes a reed connecting piece 31 and a stationary piece 32. The reed connecting piece 31 and the static piece 32 are provided with a limiting part 33, the limiting part 33 is arranged along the side surfaces of the reed connecting piece 31 and the static piece 32 in an outward protruding mode, the wiring installation hole 11 is a long hole, and the width of the limiting part 33 is larger than the length of the wiring installation hole 11, so that the reed connecting piece 31 and the static piece 32 are firmly arranged in the wiring installation hole 11.
The upper end of the reed connecting piece 31 is provided with a reed supporting portion 34. The upper end of the static plate 32 is provided with a static contact supporting part 321, the static contact supporting part 321 is folded to one side of the static plate 32, and the top surface of the static contact supporting part 321 is provided with a static contact 35.
As shown in fig. 2, 3 and 6, the reed 4 is disposed below the button 2, and the reed 4 includes a first abutting portion 41, a second abutting portion 42, and an arc-shaped portion 43, one ends of the first abutting portion 41 and the second abutting portion 42 being connected by the arc-shaped portion 43 disposed on the same side thereof. The first abutting portion 41 is disposed obliquely upward, and the top surface of the first abutting portion 41 abuts against the touch portion. The middle part of the second abutting part 42 is provided with a supporting groove 44, and the opening of the supporting groove 44 is downwards arranged and is matched with the reed supporting part 34. The second abutting portion 42 is provided with a movable contact 45 at one end far away from the arc portion 43, the movable contact 45 is arranged opposite to the fixed contact 35, and the movable contact 45 is disconnected or connected with the fixed contact 35 along with rotation of the reed 4.
The reed connecting piece 31 and the stationary piece 32 are made of brass, the movable contact 45 and the stationary contact 35 are made of silver-copper alloy, and the reed 4 is made of beryllium bronze. Brass has good heat resistance and conductivity, silver-copper alloy has good conductivity, fluidity and wettability, and is a good electric contact material; beryllium bronze has a constant high hardness, elastic limit, fatigue limit and wear resistance and can be used as an important elastic element. By adjusting the materials of the electronic components in the switch, the surge current bearable by the switch can be further improved, and the use safety of the switch is further improved.
The working process of the utility model is as follows:
the two poles of the lead of the electrical equipment are respectively connected with the reed connecting piece 31 and the static piece 32, and the switch is clamped with the electrical equipment through the buckles 12 on the two sides of the shell 1, so that the switch is fixed on the electrical equipment.
When the button 2 rotates to the inclined direction of the touch part 22 and the inclined angle of the first abutting part 41 on the reed 4 are the same, the movable contact 45 at one end of the second abutting part 42 on the reed 4 is separated from the fixed contact 35, and the electrical equipment is not connected.
When the button 2 rotates in the opposite direction, during the rotation of the button 2, the touch part 22 is abutted against the first abutting part 41 of the reed 4, and the first abutting part 41 is pushed to rotate, so that the second abutting part 42 is driven to rotate around the reed supporting part 34 on the reed connecting piece 31, the movable contact 45 is contacted with the fixed contact 35, the reed connecting piece 31 and the fixed piece 32 are made of brass, the movable contact 45 and the fixed contact 35 are made of silver-copper alloy, the reed 4 is made of beryllium bronze, the reed connecting piece 31 and the fixed piece 32, the movable contact 45 and the fixed contact 35 and the reed 4 have good conductivity, the wires connected with the reed connecting piece 31 and the fixed piece 32 are connected, and the electrical equipment is electrified to work.
Compared with the prior art, the high-surge-current small switch provided by the utility model has the following advantages:
(1) The structure is simple, the switch is switched on and off by the reed connecting piece, the reed arranged on the moving piece connecting piece in a rotating way and the touch part arranged on the bottom surface of the button, so that the optimization of the internal structure of the switch is realized, and the surge current bearable by the switch is further improved by optimizing the contact material, so that the surge current of the switch can reach 200A 2MS, and the use safety of the switch is further improved;
(2) The spring structure is used in the switch, so that the spring mechanism is eliminated, the contact distance between the switches is 2.6mm, the contact distance between the switches is reduced, the reaction speed of the switches is improved, and meanwhile, the volume of the switches is reduced, so that the spring structure is suitable for most small household appliances in the market;
(3) The product appearance uses prevents slow-witted design, through setting up the first indicator portion and the second indicator portion that shape and/or size are different on preceding terminal surface and the rear end face of casing, plays the instruction effect to the installation direction of switch, can effectively avoid appearing the phenomenon of reverse dress during the assembly.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
Claims (9)
1. A high inrush current miniature switch comprising:
the shell is internally provided with an inner cavity with an open top surface, and the bottom surface of the inner cavity is provided with a lug mounting hole;
the button is rotationally arranged in the opening of the shell, and a touch part which is perpendicular to the rotation direction of the button is arranged on the bottom surface of the button;
the wiring piece is arranged in the wiring piece mounting hole, the lower end of the wiring piece penetrates out of the shell to be arranged, the wiring piece comprises a reed connecting piece and a static piece, a static contact is arranged at the upper end of the static piece, and a reed supporting part is arranged at the upper end of the reed connecting piece;
the reed is arranged below the button and rotates along with the button, the touch part pushes the reed to rotate around the reed supporting part, and one end of the reed is provided with a movable contact which is opposite to the fixed contact.
2. The high inrush current miniature switch of claim 1, wherein said reed comprises:
the first abutting part is obliquely arranged upwards, and the top surface of the first abutting part abuts against the touch part;
one end of the second abutting part is connected with the first abutting part through an arc part, a supporting groove with a downward opening is arranged in the middle of the second abutting part, and the supporting groove is matched with the reed supporting part; the movable contact is provided on the other end of the second abutting portion.
3. The high-surge-current miniature switch according to claim 1, wherein a stationary contact supporting portion is provided at an upper end of the stationary blade, the stationary contact supporting portion is folded toward one side of the stationary blade, and the stationary contact is provided on a top surface of the stationary contact supporting portion.
4. The high-surge-current miniature switch according to claim 1, wherein a rotating shaft hole is formed in the side wall of the inner cavity of the shell, a button rotating shaft matched with the rotating shaft hole is arranged on the side face of the button, and the button rotating shafts are symmetrically arranged on two sides of the button.
5. The high-surge-current miniature switch of claim 1, wherein the reed connecting piece and the static piece are provided with limiting parts, the lug mounting hole is a long hole, and the width of the limiting parts is larger than the length of the long hole.
6. The high inrush current miniature switch of claim 1, wherein the two sides of said housing are provided with snaps.
7. The high inrush current miniature switch of claim 1, wherein said reed attachment tab and said static tab are offset on a bottom surface of said housing.
8. The high-inrush current miniature switch of claim 7, wherein a first indicator and a second indicator are provided on a front end surface and a rear end surface of said housing, respectively, said first indicator and said second indicator being different.
9. The high inrush current miniature switch of claim 1, wherein said stationary blade and said reed connecting blade are made of brass, said movable contact and said stationary contact are made of silver copper alloy, and said reed is made of beryllium bronze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223587865.1U CN219658599U (en) | 2022-12-29 | 2022-12-29 | Small-sized switch with high surge current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223587865.1U CN219658599U (en) | 2022-12-29 | 2022-12-29 | Small-sized switch with high surge current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219658599U true CN219658599U (en) | 2023-09-08 |
Family
ID=87862298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223587865.1U Active CN219658599U (en) | 2022-12-29 | 2022-12-29 | Small-sized switch with high surge current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219658599U (en) |
-
2022
- 2022-12-29 CN CN202223587865.1U patent/CN219658599U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |