CN108630481B - Housing of electric switch, electric switch operating mechanism and rotary electric switch - Google Patents
Housing of electric switch, electric switch operating mechanism and rotary electric switch Download PDFInfo
- Publication number
- CN108630481B CN108630481B CN201810416064.8A CN201810416064A CN108630481B CN 108630481 B CN108630481 B CN 108630481B CN 201810416064 A CN201810416064 A CN 201810416064A CN 108630481 B CN108630481 B CN 108630481B
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- Prior art keywords
- torsion spring
- rotary
- operating mechanism
- electric switch
- cover
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- 238000000926 separation method Methods 0.000 claims 3
- 241000237509 Patinopecten sp. Species 0.000 claims 1
- 235000020637 scallop Nutrition 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 10
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H01H19/08—Bases; Stationary contacts mounted thereon
-
- 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
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention discloses a shell of an electrical switch, an electrical switch operating mechanism and a rotary electrical switch, belongs to the technical field of electrical switches, and is designed for solving the problems of unstable connection of the existing electrical switch shell. The shell of the electric switch comprises a base and a shell cover, wherein a through hole is formed in the shell cover, the edge or surrounding edge of the through hole extends to the outer side surface of the shell cover to form a mounting column, and a thread structure is formed at least partially on the outer side of the mounting column; a boss structure is arranged on the inner side surface of the shell cover. The shell, the electric switch operating mechanism and the rotary electric switch solve the problems of difficult connection and unstable connection between the shell cover and other structures in the rotary electric switch, and are convenient to assemble and disassemble.
Description
Technical Field
The invention relates to the technical field of electrical switches, in particular to a shell of an electrical switch, an electrical switch operating mechanism comprising the shell and a rotary electrical switch comprising the operating mechanism.
Background
With the development of the electrical industry, the performance requirements for electrical switches capable of providing high-capacity, high-precision control are increasing. The operating mechanism is used as an important part of the electric switch, and the performance of the operating mechanism directly influences the performance of the electric switch.
The shell cover of the existing operating mechanism is simple in structure and lacks of an installation connection structure, so that the operating mechanism is inconvenient and unstable to connect with other structures in the electric switch.
Disclosure of Invention
An object of the present invention is to provide a housing of an electrical switch that is easy to assemble and disassemble.
Another object of the present invention is to provide an electrical switch operating mechanism with stable connection structure.
It is a further object of the present invention to propose a rotary electric switch with stable operating performance.
In order to achieve the purpose, on one hand, the invention adopts the following technical scheme:
The shell of the electric switch comprises a base and a shell cover, wherein a through hole is formed in the shell cover, the edge of the through hole or the edge surrounding the through hole extends to the outer side surface of the shell cover to form a mounting column, and a thread structure is formed at least partially on the outer side of the mounting column; and a boss structure is arranged on the inner side surface of the shell cover.
In particular, a limit groove is arranged on the inner side surface of the shell cover, and the limit groove is closer to the through hole relative to the boss structure.
Further, the limit groove is a fan-shaped groove or a circular groove.
Further, the central angle of the fan-shaped groove is 90 degrees to 130 degrees.
Particularly, two avoidance parts are formed on the outer side surface of the mounting column, and the avoidance parts are smooth surfaces; the two avoidance portions are symmetrically arranged relative to the axis of the mounting column.
On the other hand, the invention adopts the following technical scheme:
an electrical switch operating mechanism comprising a housing of the electrical switch; a rotary cam, a rotary spring assembly and a rotary driving structure are arranged between the base and the shell cover.
Particularly, the rotary driving structure is provided with a C-shaped elastic piece, and two ends of the C-shaped elastic piece are bent to form an elastic piece protruding part; the rotary driving structure is provided with a limiting hook, and the limiting hook is positioned in a limiting groove on the inner side surface of the shell cover.
In particular, the edge of the rotary driving structure is bent outwards to form two locking parts.
In particular, the rotary spring assembly comprises a first torsion spring, a second torsion spring, a spacer and a driving shaft, wherein the spacer is arranged between the first torsion spring and the second torsion spring, and the driving shaft sequentially passes through the middle parts of the first torsion spring, the spacer and the second torsion spring; the first torsion spring and the second torsion spring are spiral, one end of each of the first torsion spring and the second torsion spring is located in the middle, the other end of each of the first torsion spring and the second torsion spring is located at the outer edge, and the torsion spring main body is spiral between the two ends.
In yet another aspect, the present invention employs the following technical scheme:
The rotary electric switch comprises a plurality of switch modules which are stacked together, and also comprises the electric switch operating mechanism; the shell of the electric switch operating mechanism is connected with the switch module; each switch module comprises a rotary contact, a fixed contact and a mandrel module, a mandrel connecting part is arranged on a rotary driving structure of the electric switch operating mechanism, and the mandrel modules are connected with the mandrel connecting part.
The shell of the electric switch is provided with the mounting column on the shell cover, so that the problems of difficult connection and unstable connection between the shell cover and other structures in the rotary electric switch are solved, and the electric switch is convenient to assemble and disassemble.
The rotary electric switch comprises the electric switch operating mechanism, so that the electric switch operating mechanism can be conveniently connected to other structures in the rotary electric switch through the shell, and the connection structure is stable.
Drawings
FIG. 1 is an exploded view of an electrical switch operating mechanism provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front structure of a cover according to an embodiment of the present invention;
FIG. 3 is a schematic view showing a rear structure of a first structure of a cover according to an embodiment of the present invention;
FIG. 4 is a schematic view showing a rear structure of a second structure of the cover according to the embodiment of the present invention;
Fig. 5 is an exploded view of a rotary spring assembly provided in accordance with an embodiment of the present invention.
In the figure:
1. A base; 2. a cover; 3. rotating the cam; 4. a rotary spring assembly; 5. a rotary driving structure; 6. a C-shaped elastic member; 7. a mandrel; 21. a through hole; 22. a mounting column; 23. a boss structure; 24. an avoidance unit; 25. a limit groove; 31. a fin; 41. a first torsion spring; 42. a second torsion spring; 43. a spacer; 44. a drive shaft; 45. square holes; 46. a round hole; 47. disassembling and assembling the handle; 48. an outer edge end; 51. a latch portion; 61. elastic piece protruding part.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
The invention discloses a housing of an electrical switch, an electrical switch operating mechanism comprising the housing, and a rotary electrical switch comprising the operating mechanism. The rotary electric switch is a modularized switch and comprises a plurality of switch modules and an operating mechanism which are stacked together, wherein the shell of the operating mechanism is connected with the switch modules; in the interior, every switch module includes rotary contact, stationary contact and dabber module, is provided with dabber connecting portion on operating device's the rotary drive structure, and dabber module and dabber connecting portion are connected.
As shown in fig. 1 and 5, the electric switch operating mechanism includes a base 1 and a cover 2, a rotary cam 3, a rotary spring assembly 4, and a rotary drive structure 5 are provided between the base 1 and the cover 2; the rotary spring assembly 4 includes a first torsion spring 41, a second torsion spring 42, a spacer 43, and a driving shaft 44, the spacer 43 being disposed between the first torsion spring 41 and the second torsion spring 42, the driving shaft 44 passing through the first torsion spring 41, the spacer 43, and the second torsion spring 42 in this order; the first torsion spring 41 and the second torsion spring 42 are respectively provided with one end positioned in the middle and the other end positioned at the outer edge, and the torsion spring main body is spiral between the two ends, and the rotation directions of the first torsion spring 41 and the second torsion spring 42 are opposite. The edge of the rotary cam 3 is bent outwards to form two fins 31; the edge of the rotary driving structure 5 is outwards bent and extended to form two locking parts 51; the rotary driving structure 5 is provided with a C-shaped elastic piece 6, and two ends of the C-shaped elastic piece 6 are bent to form an elastic piece protruding part 61.
As shown in fig. 2 to 4, the cover 2 comprises a base 1 and a cover 2, wherein a through hole 21 is formed in the cover 2, a rim or surrounding edge of the through hole 21 (i.e. a position on the outer side surface of the cover 2 where the diameter is larger than the through hole 21 and the through hole 21 is enclosed therein) extends to the outer side surface of the cover 2 to form a mounting post 22, and a thread structure is formed at least partially on the outer side of the mounting post 22. When the bottom of the mounting post 22 starts from the edge of the through hole 21, the inner diameter of the mounting post 22 is equal to the diameter of the through hole 21; when the bottom of the mounting post 22 starts at the edge around the through hole 21, the inner diameter of the mounting post 22 is larger than the diameter of the through hole 21.
Specifically, two avoidance portions 24 are formed on the outer side surface of the mounting column 22, the avoidance portions 24 are smooth surfaces, and the rest portions are provided with screw structures; the two relief portions 24 are symmetrically disposed about the axis of the mounting post 22. A boss structure 23 is provided on the inner side surface of the case cover 2, and the number of boss structures 23 depends on the specific structure. When the boss structures 23 are four, the four boss structures 23 are symmetrically disposed around the center of the through hole 21.
The mounting column 22 with threads on the outer side surface is arranged on the outer surface of the shell cover 2, so that the problems of difficult connection and unstable connection between the shell cover 2 and other structures in the rotary electric switch are solved. The design of the avoiding part 24 can avoid the convex structure which is close to the device with the shell cover 2, so that the installation is smoother; moreover, the two avoidance portions 24 are oppositely arranged on the outer side surface of the cylindrical mounting column 22, so that the requirement on the roundness of the outer side surface of the mounting column 22 is reduced, and the processing difficulty is correspondingly reduced.
A limit groove 25 is provided on the inner side surface of the cover 2, and the limit groove 25 is closer to the through hole 21 than the boss structure 23. The limit groove 25 may be a circular groove, as shown in fig. 3; the limiting groove 25 may also be a sector groove with a central angle in the range of 90 ° -130 °, as shown in fig. 4. In practical use, it is generally necessary to rotate the switch every 90 ° step, but because the limit hook of the rotary driving structure 5 matched with the limit groove 25 has a certain width, the central angle of the fan-shaped groove needs to be designed to be about 130 °.
When the limit groove 25 is a fan-shaped groove, only two boss structures 23 may be disposed on the inner side surface of the cover 2, and the two boss structures 23 are located at two ends of the fan-shaped groove or positions close to the two ends respectively. While the elastic piece protruding portion 61 is matched with the boss structure 23, the limit hooks on the rotary driving structure 5 are matched with the limit grooves 25, and the rotary driving structure 5 stops rotating when the limit hooks slide to the end of the limit grooves 25 along the limit grooves 25. The fool-proof function is provided in the use process of the user, misoperation is prevented, safety performance is improved, and the risk of personal injury and death is avoided.
When the limit groove 25 is a circular groove, four boss structures 23 are uniformly arranged on the inner side surface of the shell cover 2, and every 90-degree stepping rotation of the switch is realized through the cooperation of the two elastic piece protruding parts 61 of the C-shaped elastic piece 6 and the boss structures 23. The arrangement of the circular groove allows the limit hooks on the rotary driving structure 5 to exist, namely, two rotary driving structures 5 with limit hooks and without limit hooks do not need to be designed, the rotary driving structure 5 with limit hooks can be used on the shell cover 2 with the fan-shaped groove and also can be used on the shell cover 2 with the circular groove, the universality of the rotary driving structure 5 is stronger, and the processing cost is lower. As shown in fig. 5, the driving shaft 44 is a square shaft, the middle parts of the first torsion spring 41 and the second torsion spring 42 are square holes 45, the middle parts of the spacers 43 are round holes 46, and the diameter of the round holes 46 is equal to or larger than the length of the diagonal line of the square holes 45. The driving shaft 44 combines the first torsion spring 41, the spacer 43 and the second torsion spring 42 together, thereby reducing the labor intensity of personnel and improving the productivity. The square shaft can enable the center parts of the first torsion spring 41 and the second torsion spring 42 to keep original shapes in the compression process, the torsion springs keep accurate torsion in the compression process, and torsion offset caused by center compression of the torsion springs is removed; the control module can accurately rotate the contact module, so that the arc extinguishing performance of the contact is improved, the service life of the product is prolonged, and the injury of personal injury is avoided. The edge of the isolation sheet 43 protrudes outwards to form a disassembly and assembly handle 47, so that disassembly and assembly are convenient; in addition, at least a part of the structure of the dismounting handle 47 is positioned between the first torsion spring 41 and the second torsion spring 42, and the dismounting handle also has the function of avoiding the direct friction of the first torsion spring 41 and the second torsion spring 42, thereby further prolonging the service lives of the first torsion spring 41 and the second torsion spring 42. The first torsion spring 41 and the second torsion spring 42 are coiled into a flat plate structure by sheet materials, and the outer edge ends 48 are outwards bent; the outer edge ends 48 of the first torsion spring 41 and the outer edge ends 48 of the second torsion spring 42 are offset for connection with the respective latching portions 51 on the rotary drive structure 5.
The torsion springs with opposite rotation directions are used for replacing the existing one rotation spring, the tensioning (elastic deformation) directions of the two torsion springs are opposite, and even if the two torsion springs work for many times, the elastic force of the two torsion springs can still be kept at a very high level, so that the service life is prolonged, and the control accuracy is high. The spacer 43 is disposed between the first torsion spring 41 and the second torsion spring 42, so that the first torsion spring 41 and the second torsion spring 42 are not in direct contact, and the center part is not directly rubbed, thereby improving the service lives of the first torsion spring 41 and the second torsion spring 42.
The installation and use method comprises the following steps: four boss structures 23 are provided on the bottom surface of the upper cover 2, and two elastic member bosses 61 of the C-shaped elastic member 6 initially hug both sides of a certain boss structure 23 (for example, a boss structure 23 in the lower right corner in fig. 1).
The rotating mandrel 7 (either clockwise or counterclockwise around the axis of the mandrel 7) and the rotating cam 3 and the linkage shaft 44 respectively rotate along with the mandrel 7; since the two elastic member bosses 61 of the C-shaped elastic member 6 are fixed by the boss structure 23 at this time, the C-shaped elastic member 6 is mounted on the rotation driving structure 5, and the two latching portions 51 of the rotation driving structure 5 are respectively connected to the outer edge ends 48 of the corresponding first torsion springs 41 and the outer edge ends 48 of the second torsion springs 42, the rotation driving structure 5 cannot rotate at this time, the outer edge ends 48 of the first torsion springs 41 and the outer edge ends 48 of the second torsion springs 42 are fixed, and the first torsion springs 41 and the second torsion springs 42 are elastically deformed (stored energy) from inside to outside.
The spindle 7 continues to rotate to a certain position (for example, when the spindle 7 rotates by an angle of about 80 °) and the tab 31 of the rotating cam 3 contacts the edge of the C-shaped elastic member 6. Continuing to rotate again, the beveled sides of the tabs 31 pass over the edges of the C-shaped spring 6, the tabs 31 press against the surface of the C-shaped spring 6 to raise the spring tabs 61 of the C-shaped spring 6 (the device is rotated 180 degrees in the vertical direction in order to show the structure of each component, so that in normal use the tabs 31 press the spring tabs 61 downward) to disengage the spring tabs 61 from the boss structure 23. At this time, the C-shaped elastic member 6 and the rotation driving structure 5 are both in a free state, the rotation spring assembly 4 drives the rotation driving structure 5 to rotate, and the rotation driving structure 5 drives the C-shaped elastic member 6 to rotate.
The C-shaped elastic member 6, which is disengaged from the tab 31, returns to the original height, and the elastic member boss 61 slides along the edge of the upper cover 2 between the two boss structures 23 until reaching the edge of the first boss structure 23 (whether the elastic member boss 61 slides to the edge of the boss structure 23 at the lower left corner in fig. 1 or to the edge of the boss structure 23 at the upper right corner in fig. 1 depends on whether the spindle 7 rotates clockwise or counterclockwise). Because of the existence of the rotational inertia force, the elastic member boss 61, which is close to the boss structure 23, of the two elastic member bosses 61 continues to slide along the outer side surface of the boss structure 23 and then passes over the boss structure 23, while the inertial force is insufficient to support the other elastic member boss 61 over the boss structure 23, so that the two elastic member bosses 61 are respectively located at both sides of the boss structure 23, and the boss structure 23 plays a role in fixing the C-shaped elastic member 6. When four boss structures 23 are uniformly arranged on the upper cover 2, the switch can rotate every 90 degrees in a stepping way; when the fan-shaped groove with the angle of 130 degrees is formed in the shell cover 2, the elastic piece protruding portion 61 is matched with the boss structure 23, meanwhile, the limit hook on the rotary driving structure 5 is matched with the limit groove 25 to achieve the 90-degree limit effect, and the switch can rotate every 90-degree step.
The C-shaped spring 6 imparts its relatively abrupt and rapid rotation to the switching spindle portion on the connected rotary contact or contacts to allow a fast switching between the two separate contacts, the arcing time being relatively short.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (6)
1. An electrical switch operating mechanism, characterized by comprising a housing of an electrical switch, the housing of the electrical switch comprising a base (1) and a cover (2), the cover (2) being provided with a through hole (21), the edge of the through hole (21) or around the edge extending towards the outer side of the cover (2) to form a mounting post (22), the outer side of the mounting post (22) being at least partially formed with a screw thread structure; a boss structure (23) is arranged on the inner side surface of the shell cover (2);
a rotary cam (3), a rotary spring assembly (4) and a rotary driving structure (5) are arranged between the base (1) and the shell cover (2);
The edge of the rotary cam (3) is outwards bent and extended to form two fins (31);
The rotary spring assembly (4) comprises a first torsion spring (41), a second torsion spring (42), a separation sheet (43) and a driving shaft (44), wherein the separation sheet (43) is arranged between the first torsion spring (41) and the second torsion spring (42), and the driving shaft (44) sequentially penetrates through the middle parts of the first torsion spring (41), the separation sheet (43) and the second torsion spring (42); the first torsion spring (41) and the second torsion spring (42) are respectively provided with one end at the middle part and the other end at the outer edge, the torsion spring main body is spiral between the two ends, and the rotation directions of the first torsion spring (41) and the second torsion spring (42) are opposite;
the edge of the rotary driving structure (5) is outwards bent and extended to form two locking parts (51);
The rotary driving structure (5) is provided with a C-shaped elastic piece (6), and two ends of the C-shaped elastic piece (6) are bent to form an elastic piece protruding part (61); a limiting hook is arranged on the rotary driving structure (5), and is positioned in a limiting groove (25) on the inner side surface of the shell cover (2);
Two elastic piece protruding portions (61) can be matched with the boss structures (23), and when the elastic piece protruding portions are matched, limiting hooks on the rotary driving structure (5) can be matched with the limiting grooves (25), and when the limiting hooks slide to the end heads of the limiting grooves (25) along the limiting grooves (25), the rotary driving structure (5) stops rotating.
2. An electrical switch operating mechanism according to claim 1, characterized in that the limit groove (25) is provided on the inner side of the cover (2), the limit groove (25) being closer to the through hole (21) than the boss structure (23).
3. An electrical switch operating mechanism according to claim 2, characterized in that the limit groove (25) is a sector groove or a circular groove.
4. An electrical switch operating mechanism as claimed in claim 3, wherein the central angle of the scallop is 90 ° -130 °.
5. The electric switch operating mechanism according to any one of claims 1 to 4, characterized in that two avoidance portions (24) are formed on an outer side surface of the mounting post (22), the avoidance portions (24) being a smooth surface; the two avoidance portions (24) are symmetrically arranged about the axis of the mounting column (22).
6. A rotary electric switch comprising a plurality of switch modules stacked together, further comprising an electric switch operating mechanism as claimed in any one of claims 1 to 5; the shell of the electric switch operating mechanism is connected with the switch module; each switch module comprises a rotary contact, a fixed contact and a mandrel module, a mandrel connecting part is arranged on a rotary driving structure (5) of the electric switch operating mechanism, and the mandrel module is connected with the mandrel connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810416064.8A CN108630481B (en) | 2018-05-03 | 2018-05-03 | Housing of electric switch, electric switch operating mechanism and rotary electric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810416064.8A CN108630481B (en) | 2018-05-03 | 2018-05-03 | Housing of electric switch, electric switch operating mechanism and rotary electric switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108630481A CN108630481A (en) | 2018-10-09 |
| CN108630481B true CN108630481B (en) | 2024-07-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810416064.8A Active CN108630481B (en) | 2018-05-03 | 2018-05-03 | Housing of electric switch, electric switch operating mechanism and rotary electric switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108630481B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820575B (en) * | 2019-11-18 | 2024-04-26 | 上海伊莱克斯实业有限公司 | Multi-gear change-over switch |
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| CN203312121U (en) * | 2013-05-08 | 2013-11-27 | 华天国际企业有限公司 | Multi-shift rotary switch |
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| CN208127086U (en) * | 2018-05-03 | 2018-11-20 | 上海舒森电子科技有限公司 | Shell, electric switch operating mechanism and the electrical rotary switch of electric switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101465230B (en) * | 2007-12-21 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Functional rotary table and rotary switch using the same |
| JP4759071B2 (en) * | 2009-03-17 | 2011-08-31 | 東京コスモス電機株式会社 | Rotary switch |
| TWM476873U (en) * | 2013-12-02 | 2014-04-21 | Syncmold Entpr Corp | Hinge and display device supporting unit |
| CN104157498B (en) * | 2014-07-25 | 2016-11-23 | 深圳一电航空技术有限公司 | The rotating mechanism of rotary switch and rotary switch |
| CN204088843U (en) * | 2014-07-29 | 2015-01-07 | 德昌电机(深圳)有限公司 | Cooling fan and brush motor, brushgear |
| CN204230127U (en) * | 2014-10-14 | 2015-03-25 | 东莞高仪电子科技有限公司 | There is the encoder of on-off switch function |
| JP5959688B1 (en) * | 2015-04-30 | 2016-08-02 | 東莞▲スウ▼騰電子有限公司 | Novel rotary switch |
| CN105070569B (en) * | 2015-07-30 | 2017-06-16 | 科都电气有限公司 | A kind of operating mechanism of rotary switch and the rotary switch with the operating mechanism |
| CN205789651U (en) * | 2016-06-23 | 2016-12-07 | 常熟开关制造有限公司(原常熟开关厂） | A kind of rotary switch operating mechanism |
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| CN102074402A (en) * | 2011-01-30 | 2011-05-25 | 中国北方车辆研究所 | Regulation and control device |
| CN203312121U (en) * | 2013-05-08 | 2013-11-27 | 华天国际企业有限公司 | Multi-shift rotary switch |
| CN106057545A (en) * | 2016-06-23 | 2016-10-26 | 常熟开关制造有限公司(原常熟开关厂） | Rotary switch operation mechanism |
| CN107248469A (en) * | 2017-06-29 | 2017-10-13 | 首瑞（天津）电气设备有限公司 | Locking spring component and rotary isolation switch |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108630481A (en) | 2018-10-09 |
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