CN216054436U - Dial wheel type microswitch - Google Patents
Dial wheel type microswitch Download PDFInfo
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- CN216054436U CN216054436U CN202122695905.3U CN202122695905U CN216054436U CN 216054436 U CN216054436 U CN 216054436U CN 202122695905 U CN202122695905 U CN 202122695905U CN 216054436 U CN216054436 U CN 216054436U
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- shaped notch
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Abstract
The utility model discloses a dial wheel type microswitch, which relates to the field of microswitches and aims at solving the problem that the existing dial wheel microswitch has bad influence on a circuit board with compact layout due to large occupied space. The utility model has novel structure, simple structure, light and thin appearance and convenient operation, and effectively solves the problem that the existing dial wheel microswitch can cause adverse effect on a circuit board with compact layout due to larger occupied space.
Description
Technical Field
The utility model relates to the field of microswitches, in particular to a dial type microswitch.
Background
The microswitch is small in size and suitable for being used by small-sized electric appliances, the microswitch in the market mainly comprises a button and a dial wheel, a knob of the dial wheel microswitch in the market is mostly arranged in parallel with a circuit board, an operator can conveniently rotate the microswitch, the dial wheel microswitch occupies a large space, and adverse effects can be caused to the circuit board which is compact in layout, so that the dial wheel microswitch is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The dial wheel type microswitch provided by the utility model solves the problem that the existing dial wheel microswitch has bad influence on a circuit board with compact layout due to large occupied space.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a dial wheel type microswitch comprises a shell, wherein a dial mechanism is arranged in the shell and comprises a dial wheel, a dial sheet, a first pin, a second pin and a third pin, the first pin and the third pin are distributed on two sides of the dial wheel, the second pin is positioned between the first pin and the third pin, and a first arc-shaped notch, a second arc-shaped notch and a third arc-shaped notch are formed in the peripheral wall of the dial wheel;
the poking wheel is vertically arranged, the poking sheet is arranged at the bottom end of the poking wheel, a sliding block is fixedly arranged on the top end face of the poking sheet and is in sliding contact with the peripheral wall of the poking wheel, the top end of the first pin is bent towards the direction of the third pin, the top end of the second pin is bent towards the direction of the first pin, and one end of the poking sheet is located between the first pin and the second pin, which are bent.
Preferably, the second arc-shaped notch is located between the first arc-shaped notch and the third arc-shaped notch, the depth of the first arc-shaped notch is greater than that of the second arc-shaped notch, and the depth of the second arc-shaped notch is greater than that of the third arc-shaped notch.
Preferably, the circumferential wall of the thumb wheel is provided with anti-slip grooves outside the first arc-shaped notch, the second arc-shaped notch and the third arc-shaped notch.
Preferably, one end of the shifting sheet, which is far away from the first pin, is provided with a tubular bend, the tubular bend is fixedly sleeved with a shaft, and two ends of the shaft are fixedly connected with the shell.
Preferably, the shell is run through on the top of thumb wheel, just the thumb wheel is rotation with the shell and is connected, the top of shell articulates there is the lid, just the one end and the shell joint of lid, the top cover of thumb wheel cup joints in the lid.
Preferably, the two sides of the shifting piece, which are close to the bent short sides of the first pin, and the two sides of the shifting piece, which are close to the bent short sides of the second pin, are provided with contacts, a connecting line is welded between the top end of the third pin and the bottom end face of the shifting piece, and the bottom ends of the first pin, the second pin and the third pin vertically penetrate through the shell downwards.
The utility model has the beneficial effects that:
1. the device can switch between two sets of circuits and break through simple stirring the thumb wheel, convenient operation, and the device's thumb wheel top is provided with the lid, prevents effectively that the device mistake from touching.
2. The vertical setting of the thumb wheel of the device, the structure of keeping flat relative to the thumb wheel can make micro-gap switch more frivolous, can improve circuit board installation area's utilization ratio.
3. The device simple structure does not contain the spring and does not need complicated bending technology and the technology of moulding plastics, can effectively reduce manufacturing cost.
In conclusion, the device has the advantages of simple structure, light and thin appearance and convenience in operation, and effectively solves the problem that the existing dial wheel micro switch has bad influence on a circuit board with compact layout due to large occupied space.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural sectional view of the present invention.
Fig. 3 is an enlarged view of a structure in fig. 2 according to the present invention.
Fig. 4 is a schematic view of the structure of the striking plate of the present invention in a neutral position.
FIG. 5 is a schematic view of the structure of the pick of the present invention in the down position.
Reference numbers in the figures: 1. a housing; 2. a thumb wheel; 201. a first arc-shaped notch; 202. a second arc-shaped notch; 203. a third arc-shaped notch; 204. an anti-slip groove; 3. a shifting sheet; 301. bending the pipe; 302. a slider; 303. a connecting wire; 4. a first pin; 5. a second pin; 6. a third pin; 7. a contact; 8. and a cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 5, a dial wheel type microswitch comprises a housing 1, wherein a dial mechanism is arranged in the housing 1, the dial mechanism comprises a dial wheel 2, a dial piece 3, a first pin 4, a second pin 5 and a third pin 6, the first pin 4 and the third pin 6 are distributed at two sides of the dial wheel 2, the second pin 5 is positioned between the first pin 4 and the third pin 6, and a first arc-shaped notch 201, a second arc-shaped notch 202 and a third arc-shaped notch 203 are formed in the peripheral wall of the dial wheel 2;
the poking wheel 2 is vertically arranged, the poking sheet 3 is arranged at the bottom end of the poking wheel 2, a sliding block 302 is fixedly arranged on the top end face of the poking sheet 3, the sliding block 302 is in sliding contact with the peripheral wall of the poking wheel 2, the top end of the first pin 4 is bent towards the direction of the third pin 6, the top end of the second pin 5 is bent towards the direction of the first pin 4, one end of the poking sheet 3 is positioned between the bending of the first pin 4 and the bending of the second pin 5, the second arc-shaped notch 202 is positioned between the first arc-shaped notch 201 and the third arc-shaped notch 203, the depth of the first arc-shaped notch 201 is greater than that of the second arc-shaped notch 202, and the depth of the second arc-shaped notch 202 is greater than that of the third arc-shaped notch 203;
the device is through rotating thumb wheel 2 for slider 302 slides in the arc breach of the different degree of depth, thereby realizes the control to the different deflection angles of plectrum 3, and it needs to be noted that the point portion of reserving between first arc breach 201 and second arc breach 202 needs suitably to cut down, leads to plectrum 3 and second pin 5 to contact in advance in order to avoid the point portion to push out plectrum 3.
The peripheral wall of thumb wheel 2 is located first arc breach 201, second arc breach 202 and third arc breach 203 and has still seted up anti-skidding groove 204 outward, the one end that plectrum 3 kept away from first pin 4 is provided with tubulose 301 of bending, tubulose 301 fixed cover of bending is cup jointed and is had a shaft, the both ends and the shell 1 fixed connection of shaft, the shaft is bent 301 with the tubulose and is adopted interference fit assembly to compress tightly, and plectrum 3 adopts the better brass of elasticity to make, and installation angle should upwards predetermine certain pressure and make slider 302 paste tight thumb wheel 2
The top of thumb wheel 2 runs through shell 1, just thumb wheel 2 is to rotate with shell 1 and is connected, the top of shell 1 articulates there is lid 8, just the one end and the 1 joint of shell of lid 8, the top of thumb wheel 2 cup joints in lid 8, and the device passes through lid 8 protection thumb wheel 2 and is not touched by the mistake.
The working principle is as follows: as shown in fig. 2, the dial wheel 2 is toggled to enable the slider 302 to slide into the first arc-shaped notch 201, at this time, the third pin 6, the connecting line 303, the dial 3 and the first pin 4 are communicated, as shown in fig. 4, the dial wheel 2 is toggled to enable the slider 302 to slide into the second arc-shaped notch 202, at this time, the tail end of the dial 3 is in a neutral position and is not in contact with the first pin 4 and the second pin 5, similarly, as shown in fig. 5, after the slider 302 slides into the third arc-shaped notch 203, the tail end of the dial 3 is squeezed to the second pin 5, and at this time, the third pin 6, the connecting line 303, the dial 3 and the second pin 5 are communicated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A dial wheel type microswitch comprises a shell (1) and is characterized in that a dial mechanism is arranged in the shell (1), the dial mechanism comprises a dial wheel (2), a dial sheet (3), a first pin (4), a second pin (5) and a third pin (6), the first pin (4) and the third pin (6) are distributed on two sides of the dial wheel (2), the second pin (5) is located between the first pin (4) and the third pin (6), and a first arc-shaped notch (201), a second arc-shaped notch (202) and a third arc-shaped notch (203) are formed in the peripheral wall of the dial wheel (2);
the drawing wheel (2) is vertically arranged, the drawing sheet (3) is arranged at the bottom end of the drawing wheel (2), a sliding block (302) is fixedly arranged on the top end face of the drawing sheet (3), the sliding block (302) is in sliding contact with the peripheral wall of the drawing wheel (2), the top end of the first pin (4) is bent towards the direction of the third pin (6), the top end of the second pin (5) is bent towards the direction of the first pin (4), and one end of the drawing sheet (3) is located between the first pin (4) and the second pin (5) and is bent.
2. A thumb-wheel microswitch according to claim 1 wherein the second arcuate notch (202) is located between the first arcuate notch (201) and the third arcuate notch (203), and wherein the first arcuate notch (201) has a greater depth than the second arcuate notch (202) and the second arcuate notch (202) has a greater depth than the third arcuate notch (203).
3. The thumb wheel type microswitch of claim 1, wherein the circumferential wall of the thumb wheel (2) is provided with an anti-slip groove (204) outside the first arc-shaped notch (201), the second arc-shaped notch (202) and the third arc-shaped notch (203).
4. The dial type microswitch according to claim 1, wherein one end of the dial plate (3) far away from the first pin (4) is provided with a tubular bend (301), the tubular bend (301) is fixedly sleeved with a shaft, and two ends of the shaft are fixedly connected with the shell (1).
5. The thumb wheel type microswitch according to claim 1, wherein the top end of the thumb wheel (2) penetrates through the housing (1), the thumb wheel (2) is rotatably connected with the housing (1), the top end of the housing (1) is hinged with a cover (8), one end of the cover (8) is clamped with the housing (1), and the top end of the thumb wheel (2) is sleeved in the cover (8).
6. The dial type microswitch of claim 1, wherein the two faces of the dial plate (3) and the bent short sides of the first pin (4) which are close to each other and the two faces of the dial plate (3) and the bent short sides of the second pin (5) which are close to each other are provided with contacts (7), a connecting line (303) is welded between the top end of the third pin (6) and the bottom end face of the dial plate (3), and the bottom ends of the first pin (4), the second pin (5) and the third pin (6) vertically penetrate through the shell (1) downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695905.3U CN216054436U (en) | 2021-11-05 | 2021-11-05 | Dial wheel type microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695905.3U CN216054436U (en) | 2021-11-05 | 2021-11-05 | Dial wheel type microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054436U true CN216054436U (en) | 2022-03-15 |
Family
ID=80613596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122695905.3U Active CN216054436U (en) | 2021-11-05 | 2021-11-05 | Dial wheel type microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216054436U (en) |
-
2021
- 2021-11-05 CN CN202122695905.3U patent/CN216054436U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |