CN110634701A - Rotary switch and method for manufacturing same - Google Patents
Rotary switch and method for manufacturing same Download PDFInfo
- Publication number
- CN110634701A CN110634701A CN201910150740.6A CN201910150740A CN110634701A CN 110634701 A CN110634701 A CN 110634701A CN 201910150740 A CN201910150740 A CN 201910150740A CN 110634701 A CN110634701 A CN 110634701A
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- knob
- shell
- cover body
- contact
- conductive
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title description 7
- 238000003825 pressing Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/04—Cases; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
Abstract
A rotary switch and a method of manufacturing the same, the rotary switch includes a housing unit, a contact unit, and a knob unit. The shell base unit comprises a shell, a plurality of conductive terminals and a cover body covering the shell. The cover body is provided with two caulking grooves formed on the bottom surface and at least one clamping groove. The contact unit comprises a contact plate which is used for being electrically connected with the conductive terminals, and the contact plate is provided with a plurality of conductive elastic strips which are arranged at intervals. The knob unit comprises a knob which is rotatably and axially arranged on the shell seat unit and a positioning elastic sheet which surrounds the knob, the knob is provided with a convex column, a plurality of peak grooves and a knob code wheel which is formed on the bottom surface, the positioning elastic sheet is provided with two clamping blocks which are respectively accommodated in the embedding grooves, at least one of the clamping blocks is provided with an inverted hook which is embedded in the clamping groove, and the knob can be rotated to drive the knob code wheel to selectively abut against the conductive elastic strip to be conducted on the conductive terminal.
Description
Technical Field
The present invention relates to a switch, and more particularly, to a rotary switch capable of being rotatably operated and a method of manufacturing the same.
Background
As shown in fig. 1 and 2, a conventional rotary switch includes a base 11, a conducting unit 12, a rotary unit 13, an annular elastic sheet 14, and an upper cover 15. The base 11 has a plurality of pin terminals 111 extending from the bottom. The conduction unit 12 is accommodated in the base 11, and has a conduction plate 121 installed in the base 11, and a pressing plate 122 installed on the conduction plate 121, wherein the conduction plate 121 has a plurality of leads 123 for electrically connecting with the lead terminals 111. The knob unit 13 has a knob 131 axially disposed on the base 11, and a washer 132, the knob 131 is used to press the guide pin 123 of the conducting plate 121, the knob 131 has a protruding shaft 133 protruding upward and axially disposed on the base 11, and an arrow groove 134 forming a top surface of the protruding shaft 133. The annular elastic sheet 14 is sleeved on the knob 131 and located above the gasket 132. The upper cover 15 is covered on the base 11 and pressed against the annular elastic sheet 14, the upper cover 15 has a circular hole 151 for the protruding shaft 133 to pass through, and by rotating the knob 131, the upper cover can be pressed against different guide pins 123 to switch to a section position with a predetermined function.
Although the knob switch has the function of switching the step positions, in the manufacturing process, the annular elastic sheet 14 and the knob 131 are temporarily positioned only by the interference of the inner diameter and the outer diameter, and therefore, the annular elastic sheet 14 is easy to fall off accidentally. In addition, after the upper cover 15 is mounted on the base 11, a screwdriver 16 needs to be manually inserted into the arrow groove 134 of the knob 131 and the knob 131 is rotated to drive the two positioning blocks 141 of the ring-shaped elastic piece 14 to be embedded into the two notches (not shown) of the upper cover 15, so that the ring-shaped elastic piece 14 is positioned on the upper cover 15, which is time consuming in manual operation for adjusting the positioning.
Disclosure of Invention
The invention aims to provide a rotary switch which can be stably positioned and can save manufacturing time.
The rotary switch of the invention comprises a shell base unit, a contact unit and a knob unit.
The shell base unit comprises a shell, a plurality of conductive terminals arranged on the shell, and a cover body covered on the shell, wherein the shell and the cover body define a containing chamber around the containing chamber, the cover body is provided with a through hole penetrating through the top and the bottom, two embedded grooves formed on the bottom surface and surrounding the through hole, and at least one clamping groove, and the clamping groove is concavely arranged in one embedded groove and extends towards the direction of the top surface. The contact unit is arranged in the accommodating chamber and comprises a contact plate used for being electrically connected with the conductive terminals, and the contact plate is provided with a plurality of conductive elastic strips arranged at intervals.
The knob unit comprises a knob which is rotatably and axially arranged on the shell seat unit and is positioned above the contact plate, a positioning elastic sheet which surrounds the knob and is positioned in the accommodating chamber, the knob is provided with a convex column which is axially arranged on the shell and protrudes upwards and is accommodated in a through hole of the cover body, a plurality of peak grooves which are adjacent to the positioning elastic sheet and are annularly arranged outside the convex column, and a knob code wheel which is formed on the bottom surface and is in press contact with the contact plate, the positioning elastic sheet is provided with two positioning convex circles which are elastically abutted against the peak grooves, and two clamping blocks which are respectively corresponding to the caulking grooves of the cover body and are accommodated in the caulking grooves, at least one of the clamping blocks is provided with an inverted hook which is embedded into a clamping groove of the cover body, and the knob code wheel can be selectively abutted against the conductive elastic strip by rotating the knob to conduct the conductive terminal.
In the rotary switch, the contact unit further comprises a pressing plate positioned between the contact plate and the knob, the pressing plate is provided with a plurality of guide holes penetrating through the top and the bottom and corresponding to the conductive elastic strips, and the conductive elastic strips are respectively used for penetrating out of the guide holes.
In the rotary switch, each conductive elastic strip is provided with an upper end convex point which protrudes upwards and is adjacent to the knob coded disc of the knob, and a lower end contact which is recessed downwards and is adjacent to the conductive terminal, each upper end convex point is used for penetrating out of one guide hole of the pressing plate, the knob can be rotated to link the knob coded disc to selectively press against the upper end convex point of the conductive elastic strip, and the lower end contact is linked to selectively press against the conductive terminal.
In the rotary switch, the knob unit further comprises a waterproof gasket sleeved on the knob.
In the rotary switch of the invention, the cover body is also provided with a plurality of character codes which are formed on the top surface and surround the through hole, and the convex column of the knob is provided with a guide groove which is formed on the top surface and points to one of the character codes.
The rotary switch of the invention is characterized in that the shell is provided with a pivot, and the convex column of the knob is provided with a shaft hole which is concavely arranged on the bottom surface and sleeved on the pivot.
Another object of the present invention is to provide a method for manufacturing a rotary switch, which can accurately position the rotary switch and save the manufacturing time.
The method for manufacturing a rotary switch of the present invention includes:
step A, preparing a shell base unit and a positioning elastic sheet, wherein the shell base unit comprises a shell, a plurality of conductive terminals arranged on the shell and a cover body, the cover body is provided with a through hole penetrating through the top bottom, two embedded grooves formed on the bottom surface of the cover body and surrounding the through hole, and at least one clamping groove, the clamping groove is concavely arranged in one embedded groove and extends towards the top surface, the positioning elastic sheet is provided with two positioning convex circles and two clamping blocks, at least one of the clamping blocks is provided with an inverted hook, the positioning elastic sheet is arranged on the cover body towards the cover body direction by the inverted hook, the clamping blocks are respectively accommodated in the embedded grooves, and the inverted hook is embedded into the clamping groove of the cover body so as to position the positioning elastic sheet on the cover body.
And step B, preparing a contact plate, wherein the contact plate is provided with a plurality of conductive elastic strips which are arranged at intervals, and the contact plate is placed in the shell and is used for being electrically connected with the conductive terminals.
And step C, preparing a knob, wherein the knob is provided with a convex column protruding towards the top side, a plurality of peak grooves annularly arranged outside the convex column, and a knob coded disc formed on the bottom surface, the knob is arranged in the shell in the direction that the knob coded disc faces the shell and is positioned above the contact point plate, the knob is rotatably and axially arranged in the shell, and the knob coded disc is in press contact with the contact point plate.
And D, covering the positioning elastic sheet and the cover body combined in the step A on the shell, so that the cover body and the shell define a containing chamber around the shell, the convex column of the knob is contained in the through hole of the cover body, the positioning elastic sheet is positioned in the containing chamber and surrounds the convex column, and the positioning convex column of the positioning elastic sheet is elastically abutted to the peak groove.
The manufacturing method of the rotary switch further comprises a step E after the step B, wherein the step E is to prepare a pressing plate, the pressing plate is provided with a plurality of guide holes penetrating through the top and the bottom, the pressing plate is placed on the contact plate, and the guide holes correspond to the conductive elastic strips.
In the step C, the manufacturing method of the rotary switch of the present invention further includes a substep F of preparing a waterproof gasket, placing the waterproof gasket on the knob, and then mounting the knob in the housing.
In the manufacturing method of the rotary switch, each conductive elastic strip of the contact plate is provided with an upper end convex point which protrudes upwards and is adjacent to the knob code disc and a lower end contact which is recessed downwards and is adjacent to the conductive terminal, and the knob can be driven by rotating the knob to selectively press against the upper end convex point of the conductive elastic strip and drive the lower end contact to be contacted with the corresponding conductive terminal.
The invention has the beneficial effects that: the barb of the positioning elastic sheet is mutually embedded and clamped with the clamping groove of the cover body, so that the positioning elastic sheet is accurately and stably positioned on the cover body, the positioning elastic sheet can be ensured not to accidentally fall off in the manufacturing process, and meanwhile, the positioning elastic sheet is accurately positioned on the cover body firstly, and the position of the positioning elastic sheet does not need to be adjusted manually, so that the manufacturing working hour can be saved.
Drawings
Other features and effects of the present invention will become apparent from the following detailed description of the embodiments with reference to the accompanying drawings, in which:
fig. 1 is an exploded perspective view of a conventional rotary switch;
fig. 2 is a schematic perspective view of the conventional rotary switch;
FIG. 3 is a perspective assembly view of one embodiment of the rotary switch of the present invention;
FIG. 4 is an exploded perspective view of the embodiment;
FIG. 5 is a perspective view of a positioning spring of the embodiment mounted on a cover, and viewed from another angle;
fig. 6 is a cross-sectional view taken along line VI-VI of fig. 5, illustrating that the two locking blocks of the positioning resilient piece of the embodiment are respectively accommodated in the two slots of the cover body;
FIG. 7 is a perspective view of the knob of the embodiment from the bottom;
fig. 8 is a schematic flow chart illustrating a process of mounting the positioning spring to the cover according to an embodiment of the method for manufacturing the rotary switch of the present invention;
FIG. 9 is a view similar to FIG. 8 illustrating the sequential steps of mounting a contact plate and a pressure plate to a housing;
FIG. 10 is a view similar to FIG. 9 illustrating the step of placing a waterproof gasket on a knob;
FIG. 11 is a view similar to FIG. 10 illustrating the step of placing the knob with the waterproof gasket into the housing and onto the pressure plate;
FIG. 12 is a view similar to FIG. 11 illustrating the step of covering the housing with the cover;
fig. 13 is a flowchart of the embodiment of the method of manufacturing the rotary switch of the present invention.
Detailed Description
Referring to fig. 3 to 6, an embodiment of the rotary switch of the present invention includes a housing unit 2, a contact unit 3, and a knob unit 4.
The housing unit 2 includes a housing 21, a plurality of conductive terminals 22, and a cover 23. The housing 21 is substantially rectangular and has a pivot 211 protruding upward in the housing 21. The conductive terminals 22 are disposed on the housing 21 and extend toward the bottom side, and in the embodiment, the conductive terminals 22 are plug-in type terminals, but can also be surface mount type terminals. The cover 23 is disposed on the housing 21 in a direction opposite to the conductive terminals 22, and a chamber 20 is defined by the housing 21 and the cover 23. The cover 23 has a through hole 231 passing through the top and bottom of the cover, two slots 232 formed on the bottom, at least one groove 233, and a plurality of codes 234, as shown in fig. 6, the number of the grooves 233 is two in this embodiment. The slots 232 are opposite to each other and surround the through hole 231 and are not open on the top surface, that is, the slots 232 do not penetrate through the top and bottom, and the grooves 233 are recessed in the slots 232 and extend toward the top surface. The word 234 is formed on the top surface and surrounds the through hole 231, and in this embodiment, the word 234 is a combination of a number and an english letter, and is used for indicating and distinguishing the number of segments.
The contact unit 3 is disposed in the chamber 20 and includes a contact plate 31 and a pressing plate 32. The contact plate 31 is disposed on the pivot 211 of the housing 21 and is used to electrically connect with the conductive terminal 22, and the contact plate 31 is integrally formed and has a plurality of conductive elastic strips 311 disposed at intervals. Each conductive elastic strip 311 has a fixed end at one end and a free end at the other end, and each conductive elastic strip 311 has an upper bump 3111 protruding upward and a lower contact 3112 recessed downward and adjacent to the conductive terminal 22. The pressing plate 32 is located above the contact plate 31 and is sleeved on the pivot 211 of the housing 21, the pressing plate 32 has a plurality of guide holes 321 penetrating through the top and the bottom and corresponding to the conductive elastic strips 311, and the bumps 3111 at the upper ends of the conductive elastic strips 311 respectively penetrate through the guide holes 321.
Referring to fig. 3, 4 and 7, the knob unit 4 includes a knob 41, a waterproof gasket 42 and a positioning elastic sheet 43. The knob 41 is rotatably disposed on the pivot 211 of the housing unit 2, and is located above the pressing plate 32 and the contact plate 31, the knob 41 has a protruding column 411 axially disposed on the housing 21, protruding upward and accommodated in the through hole 231 of the cover 23, a plurality of peak slots 412 circumferentially arranged outside the protruding column 411, and a knob code disc 413 formed on the bottom surface and in press-fit contact with the conductive elastic strip 311 of the contact plate 31. The protruding pillar 411 has a guiding groove 4111 formed on the top surface and pointing to one of the codes 234 of the cover 23, and a shaft hole 4112 recessed on the bottom surface and sleeved on the pivot 211. The knob code disc 413 is adjacent to the upper end salient 3111 of the conductive elastic strip 311. The waterproof gasket 42 is sleeved on the knob 41 and surrounds the convex column 411, and can prevent water from penetrating through a gap at a joint of the through hole 231 of the cover 23 and the convex column 411, so that the present embodiment has a waterproof function.
Referring to fig. 4, 5 and 6, the positioning elastic sheet 43 surrounds the convex column 411 of the knob 41, the positioning elastic sheet 43 is completely located in the accommodating chamber 20 and is not exposed to the housing base unit 2, the positioning elastic sheet 43 has two positioning convex circles 431 elastically abutting against the peak groove 412 and two clamping blocks 432 respectively corresponding to the embedding grooves 232 of the cover body 23 and accommodated in the embedding grooves 232, at least one of the clamping blocks 432 has an inverted hook 4321 formed at one end and embedded in the clamping groove 233 of the cover body 23, as shown in fig. 6, each clamping block 432 of the present embodiment has the inverted hook 4321 embedded in the clamping groove 233.
When the switch is used, a sub-tool (not shown) is inserted into the guiding groove 4111, and the knob 41 is rotated, such that the knob 41 rotates around the pivot 211 and drives the knob code disc 413 to selectively press against the upper end bump 3111 of the conductive elastic strip 311, and drives the lower end contact 3112 to elastically press against the corresponding conductive terminal 22 to conduct to the conductive terminal 22, thereby achieving the effect of programming and switching different electronic signals.
It can be understood that, in a variation of the present embodiment, the cover 23 may also have only one of the locking grooves 233 recessed in one of the insertion grooves 232, and only one of the locking blocks 432 of the positioning elastic sheet 43 has an inverted hook 4321 inserted into the locking groove 233, so that the locking groove 233 and the inverted hook 4321 are engaged with each other to also engage and fix the positioning elastic sheet 43 to the cover 23.
Referring to fig. 13 and fig. 8 to 12, an embodiment of the method for manufacturing a rotary switch of the present invention is used to manufacture the rotary switch, and includes the following steps:
step 91: referring to fig. 8, the positioning resilient sheet 43 is mounted on the cover 23 in a direction that the barbs 4321 face the cover 23, and the locking blocks 432 are respectively accommodated in the embedding slots 232, and the barbs 4321 are respectively embedded in the clamping grooves 233, so that the positioning resilient sheet 43 is fixed and positioned on the cover 23.
And step 92: referring to fig. 9, the contact plate 31 is placed in the housing 21 and sleeved on the pivot 211, and the contact plate 31 is used to electrically connect with the conductive terminal 22.
Step 93: referring to fig. 9, the pressing plate 32 is placed in the housing 21 and on the contact board 31, the guiding holes 321 correspond to the conductive elastic strips 311, and the bumps 3111 at the upper ends of the conductive elastic strips 311 penetrate through the respective guiding holes 321.
Step 94: referring to fig. 10, the waterproof gasket 42 is placed on the knob 41 and surrounds the protruding pillar 411.
Step 95: referring to fig. 7 and 11, the knob 41 of step 94 and the waterproof gasket 42 are installed in the housing 21 of step 93 in a direction that the knob code disc 413 faces the housing 21 and above the pressing plate 32 and the contact plate 31 (see fig. 9), such that the shaft hole 4112 of the knob 41 is rotatably and axially disposed on the pivot 211 of the housing 21, and the knob code disc 413 is in press contact with the upper end bump 3111 of the conductive elastic strip 311.
Step 96: referring to fig. 12, the positioning elastic piece 43 (see fig. 8) and the cover 23 assembled in step 91 are covered on the housing 21, so that the cover 23 and the housing 21 surround and define the accommodating chamber 20, and the protruding column 411 of the knob 41 is accommodated in the through hole 231 of the cover 23, in this embodiment, the top surface of the protruding column 411 is flush with the through hole 231, but in other variations, the top surface of the protruding column 411 may be higher than the through hole 231. The positioning elastic sheet 43 is located in the accommodating chamber 20 and surrounds the convex column 411, and the positioning convex circle 431 of the positioning elastic sheet 43 is elastically abutted to the peak groove 412.
The rotary switch of the present invention can be manufactured by the above steps, and simultaneously, by rotating the knob 41, the knob code disc 413 can be linked to selectively press against the upper end convex point 3111 of the conductive elastic strip 311, and the lower end contact 3112 can be linked to selectively press against the corresponding conductive terminal 22, so as to achieve the effect of programming and switching different electronic signals.
The rotary switch of the invention utilizes the convex-concave matching of the inverted hook 4321 of the positioning elastic sheet 43 and the clamping groove 233 of the cover body 23 which are mutually embedded and clamped, firstly positions the positioning elastic sheet 43 on the cover body 23, then installs the cover body 23 and the positioning elastic sheet 43 on the shell body 21, can accurately position and fix the position, cannot accidentally fall off in the manufacturing process, and does not need to manually adjust the positioning of the knob 41 and the positioning elastic sheet 43, so the aim of the invention can be really achieved.
It should be noted that, according to the present invention, a plurality of positioning elastic pieces 43 can be formed into a strip-type semi-finished product, so that the present invention can be automatically fed and introduced into an automatic production.
The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and the invention is still within the scope of the present invention by simple equivalent changes and modifications made according to the claims and the contents of the specification.
Claims (10)
1. A rotary switch, characterized in that: comprises the following steps:
the shell base unit comprises a shell, a plurality of conductive terminals arranged on the shell and a cover body covered on the shell, wherein a containing chamber is defined by the shell and the cover body in a surrounding way, the cover body is provided with a through hole penetrating through the top and the bottom, two embedded grooves formed on the bottom surface and surrounding the through hole, and at least one clamping groove, and the clamping groove is concavely arranged in one embedded groove and extends towards the direction of the top surface;
the contact unit is arranged in the accommodating chamber and comprises a contact plate used for being electrically connected with the conductive terminal, and the contact plate is provided with a plurality of conductive elastic strips arranged at intervals; and
the knob unit comprises a knob which is rotatably and axially arranged on the shell seat unit and is positioned above the contact plate, and a positioning elastic sheet which surrounds the knob and is positioned in the accommodating chamber, the knob is provided with a convex column which is axially arranged on the shell and protrudes upwards and is accommodated in a through hole of the cover body, a plurality of peak grooves which are adjacent to the positioning elastic sheet and are annularly arranged outside the convex column, and a knob code wheel which is formed on the bottom surface and is in press contact with the contact plate, the positioning elastic sheet is provided with two positioning convex circles which are elastically abutted against the peak grooves, and two clamping blocks which are respectively corresponding to the caulking grooves of the cover body and are accommodated in the caulking grooves, at least one of the clamping blocks is provided with an inverted hook which is embedded into a clamping groove of the cover body, and the knob code wheel can be selectively abutted against the conductive elastic strip by rotating the knob to conduct the conductive terminal.
2. The rotary switch according to claim 1, wherein: the contact unit also comprises a pressing plate positioned between the contact plate and the knob, the pressing plate is provided with a plurality of guide holes which penetrate through the top and the bottom and correspond to the conductive elastic strips, and the conductive elastic strips are respectively used for penetrating out of the guide holes.
3. The rotary switch according to claim 2, wherein: each conductive elastic strip is provided with an upper end convex point which protrudes upwards and is adjacent to a knob coded disc of the knob, and a lower end contact which is recessed downwards and is adjacent to the conductive terminal, each upper end convex point is used for penetrating out of one guide hole of the pressing plate, the knob can be rotated to link the knob coded disc to selectively abut against the upper end convex point of the conductive elastic strip, and the lower end contact is linked to selectively abut against the conductive terminal.
4. The rotary switch according to claim 1, wherein: the knob unit further comprises a waterproof gasket sleeved on the knob.
5. The rotary switch according to claim 1, wherein: the cover body is also provided with a plurality of character codes which are formed on the top surface and surround the through hole, and the convex column of the knob is provided with a guide groove which is formed on the top surface and points to one of the character codes.
6. The rotary switch according to claim 1, wherein: the shell is provided with a pivot, and the convex column of the knob is provided with a shaft hole which is concavely arranged on the bottom surface and sleeved on the pivot.
7. A method of manufacturing a rotary switch, characterized by: comprises the following steps:
step A, preparing a shell base unit and a positioning elastic sheet, wherein the shell base unit comprises a shell, a plurality of conductive terminals arranged on the shell and a cover body, the cover body is provided with a through hole penetrating through the top bottom, two embedded grooves formed on the bottom surface of the cover body and surrounding the through hole, and at least one clamping groove, the clamping groove is concavely arranged in one embedded groove and extends towards the direction of the top surface, the positioning elastic sheet is provided with two positioning convex circles and two clamping blocks, at least one of the clamping blocks is provided with an inverted hook, the positioning elastic sheet is arranged on the cover body towards the cover body direction by the inverted hook, the clamping blocks are respectively accommodated in the embedded grooves, and the inverted hook is embedded into the clamping groove of the cover body so as to position the positioning elastic sheet on the cover body;
step B, preparing a contact plate, wherein the contact plate is provided with a plurality of conductive elastic strips which are arranged at intervals, and the contact plate is placed in the shell and is used for being electrically connected with the conductive terminals;
step C, preparing a knob, wherein the knob is provided with a convex column protruding towards the top side, a plurality of peak grooves annularly arranged outside the convex column, and a knob coded disc formed on the bottom surface, the knob is arranged in the shell in the direction that the knob coded disc faces the shell and is positioned above the contact point plate, the knob is rotatably and axially arranged in the shell, and the knob coded disc is in press contact with the contact point plate; and
and D, covering the positioning elastic sheet and the cover body combined in the step A on the shell, so that the cover body and the shell define a containing chamber around the shell, the convex column of the knob is contained in the through hole of the cover body, the positioning elastic sheet is positioned in the containing chamber and surrounds the convex column, and the positioning convex column of the positioning elastic sheet is abutted against the peak groove.
8. A method of manufacturing a rotary switch according to claim 7, characterized in that: and step E is also included after the step B, a pressing plate is prepared, the pressing plate is provided with a plurality of guide holes penetrating through the top and the bottom, the pressing plate is placed on the contact plate, and the guide holes correspond to the conductive elastic strips.
9. A method of manufacturing a rotary switch according to claim 8, characterized in that: step C further includes a substep F of preparing a waterproof gasket, placing the waterproof gasket on the knob, and then mounting the knob in the housing.
10. A method of manufacturing a rotary switch according to claim 8, characterized in that: each conductive elastic strip of the contact plate is provided with an upper end convex point which protrudes upwards and is adjacent to the knob coded disc, and a lower end contact which is recessed downwards and is adjacent to the conductive terminals, and the knob can be rotated to link the knob coded disc to selectively abut against the upper end convex point of the conductive elastic strip and link the lower end contact of the conductive elastic strip to be contacted with the corresponding conductive terminal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107121733 | 2018-06-25 | ||
| TW107121733A TWI662573B (en) | 2018-06-25 | 2018-06-25 | Program switch and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110634701A true CN110634701A (en) | 2019-12-31 |
| CN110634701B CN110634701B (en) | 2022-05-27 |
Family
ID=67764478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910150740.6A Active CN110634701B (en) | 2018-06-25 | 2019-02-28 | Rotary switch and method for manufacturing same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110634701B (en) |
| TW (1) | TWI662573B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493628A (en) * | 2022-11-16 | 2022-12-20 | 惠州市正牌科电有限公司 | Code disc, gray code encoder and encoding method thereof |
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2018
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|---|---|---|---|---|
| US5010214A (en) * | 1988-08-11 | 1991-04-23 | Atsuo Yamazaki | Rotary switch |
| US20030161947A1 (en) * | 2002-02-08 | 2003-08-28 | Automatic Bar Controls, Inc. | Rotary sauce dispensing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115493628A (en) * | 2022-11-16 | 2022-12-20 | 惠州市正牌科电有限公司 | Code disc, gray code encoder and encoding method thereof |
| CN115493628B (en) * | 2022-11-16 | 2023-04-07 | 惠州市正牌科电有限公司 | Code disc, gray code encoder and encoding method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202001963A (en) | 2020-01-01 |
| CN110634701B (en) | 2022-05-27 |
| TWI662573B (en) | 2019-06-11 |
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